Patent Application
20110231478
The present invention relates to communications involving mobile devices and, more particularly, to communications between such mobile devices and internet content provider websites.
Content provider websites (CPWs), such as social networking websites (SNWs), news feeds, music and photograph websites, as well as other types of websites such as business-to-business (b2b) or business-to-consumer (b2c) websites, are interactive websites that allow for the downloading and/or uploading (e.g., posting) of various forms of data, such as news, weather, personal and/or business information, pictures, videos, and songs, and thereby facilitate the creation and maintaining of interpersonal connections among persons and groups of persons. The uploading of data to a CPW by one user can allow other users to access and/or download the uploaded data. Typically, a SNW provides the architecture for countless users to create respective personal or professional spaces that respectively identify the respective users and allow uploaded data to be associated with the respective spaces.
CPWs can be in communication with users who are operating any of a variety of different types of devices, which are in contact with the CPWs often by way of internet-type networks. Increasingly, users employ mobile devices to interact with the CPWs. As such communications activities increase, there is developing an increased need for improving the quality and/or user-friendliness in conducting such communications activities. Further, there is also developing an increased need for improving the efficiency of such communications activities to improve battery performance of mobile devices and reduce data transmissions for all devices.
It would therefore be advantageous if improvements, in the form of improved mobile devices and/or other devices, and/or improved methods for allowing mobile devices to communicate with CPWs, can be provided that will help to address, at least partly, one or more of the aforementioned developing needs.
Referring to
The communications system 100 additionally is shown to include three content provider websites (CPWs) 106, one of which is shown to be in communication with the intermediary web server 104 via a communication link 108. Further, a communication link 110 is also provided that allows for that one of the mobile devices 102 that is in communication with the web server 104 to directly communicate with that one of the CPWs 106 that is also in communication with the web server, without the intermediation of the web server 104. Although only one of the mobile devices 102 and one of the CPWs 106 are shown in to be in communication with the web server 104, it will be understood that depending upon the time or operational circumstance, any or all of the mobile devices 102 and CPWs 106 can be in communication with the web server. Likewise, depending upon the time or operational circumstance, any of the mobile devices 102 can enter into communication with any of the CPWs 106 by way of direct communication links such as the link 110.
Although three mobile devices 102 are shown in
Depending upon the embodiment, the communication links 105, 108 and 110 can be part of a single network or multiple networks, and each link can include one or more wired and/or wireless communication pathways, for example, landline (e.g., fiber optic, copper) wiring, microwave communication, radio channel, wireless path, intranet, internet, and/or World Wide Web communication pathways (which themselves can employ numerous intermediary hardware and/or software devices including, for example, numerous routers, etc.). In addition, a variety of communication protocols and methodologies can be used to conduct the communications via the communication links 105, 108 and 110 between the mobile devices 102, web server 104, and CPWs 106, including for example, transmission control protocol/internet protocol (TCP/IP), extensible messaging and presence protocol (XMPP), file transfer protocol (FTP), etc. In other embodiments, other types of communication links for facilitating the transfer of signals between the plurality of mobile devices 102 and the CPWs 106 can be utilized as well. Although in the present embodiment the communication links/network and server are each discussed as being web-based, in other embodiments, the links/network and server can assume various non-web-based forms.
As will be discussed below in more detail with regard to
Really Simple Syndication (RSS) refers to web feed formats used to publish frequently updated works such as blog entries, news headlines, audio, and video. An RSS document (which is called a “feed” or “channel”) includes full or summarized text, plus metadata such as publishing dates and authorship, and may include a photograph.
Referring to
Each of the wireless transceivers 202 utilizes a wireless technology for communication, which can include for example (but are not limited to) cellular-based communication technologies such as analog communications (using AMPS), digital communications (using CDMA, TDMA, GSM, iDEN, GPRS, EDGE, etc.), and next generation communications (using UMTS, WCDMA, LTE, IEEE 802.16, etc.) or variants thereof, or peer-to-peer or ad hoc communication technologies such as HomeRF (radio frequency), Bluetooth and IEEE 802.11 (a, b, g or n), or other wireless communication technologies such as infrared technology. In the present embodiment, the wireless transceivers 202 include a cellular transceiver 203 and a wireless local area network (WLAN) transceiver 205, although in other embodiments only one of these types of wireless transceivers (and possibly neither of these types of wireless transceivers, and/or other types of wireless transceivers) is present. By virtue of the use of the wireless transceivers 202, the mobile device 102 is capable of communicating both with the CPW 106 by way of the communication link 110 and also with the web server 104 (and thus indirectly again with the CPW 106) by way of the communication link 105.
Example operation of the wireless transceivers 202 in conjunction with others of the internal components 200 of the mobile device 102 can take a variety of forms and can include, for example, operation in which, upon reception of wireless signals, the internal components detect communication signals and the transceiver 202 demodulates the communication signals to recover incoming information, such as voice and/or data, transmitted by the wireless signals. After receiving the incoming information from the transceiver 202, the processor 204 formats the incoming information for the one or more output devices 208. Likewise, for transmission of wireless signals, the processor 204 formats outgoing information, which may or may not be activated by the input devices 210, and conveys the outgoing information to one or more of the wireless transceivers 202 for modulation to communication signals. The wireless transceiver(s) 202 convey the modulated signals by way of wireless and (possibly wired as well) communication links to other devices such as the web server 104 and one or more of the CPWs 106 (as well as possibly to other devices such as a cell tower, access point, or another server or any of a variety of remote device).
Depending upon the embodiment, the input and output devices 208, 210 of the internal components 200 can include a variety of visual, audio and/or mechanical outputs. For example, the output device(s) 208 can include one or more visual output devices 216 such as a liquid crystal display and light emitting diode indicator, one or more audio output devices 218 such as a speaker, alarm and/or buzzer, and/or one or more mechanical output devices 220 such as a vibrating mechanism or other haptic feedback systems. The visual output devices 216 among other things can include a video screen. Likewise, by example, the input device(s) 210 can include one or more visual input devices 222 such as an optical sensor (for example, a camera), one or more audio input devices 224 such as a microphone, and one or more mechanical input devices 226 such as a flip sensor, keyboard, keypad, selection button, navigation cluster, touch pad, touchscreen, capacitive sensor, motion sensor, and switch. Actions that can actuate one or more of the input devices 210 can include not only the physical pressing/actuation of buttons or other actuators, but can also include, for example, opening the mobile device, unlocking the device, moving the device to actuate a motion, moving the device to actuate a location positioning system, and operating the device.
As shown in
The memory portion 206 of the internal components 200 can encompass one or more memory devices of any of a variety of forms (e.g., read-only memory, random access memory, static random access memory, dynamic random access memory, etc.), and can be used by the processor 204 to store and retrieve data. The data that is stored by the memory portion 206 can include, but need not be limited to, operating systems, applications, and informational data. Each operating system includes executable code that controls basic functions of the communication device, such as interaction among the various components included among the internal components 200, communication with external devices via the wireless transceivers 202 and/or the component interface 212, and storage and retrieval of applications and data, to and from the memory portion 206. Each application includes executable code that utilizes an operating system to provide more specific functionality for the communication devices, such as file system service and handling of protected and unprotected data stored in the memory portion 206. Informational data is non-executable code or information that can be referenced and/or manipulated by an operating system or application for performing functions of the communication device.
Referring next to
As discussed in further detail below, in at least some embodiments the back end portion 306 supports pull communications with CPWs such as the CPW 106. The pull communications can for example be implemented using Representation State Transfer (REST) architecture, of the type typical to the web, and as such the back end portion 306 is configured to generate requests for information to be provided to the back end portion 306 from the CPWs such as the CPW 106 at times/circumstances determined by the web server 104, in response to which the CPWs 106 search for and provide back to the web server 104 the requested data. Also as discussed in further detail below, in at least some embodiments the front end portion 308 establishes a push channel in conjunction with mobile devices such as the mobile device 102.
In at least some such embodiments, the push channel allows the front end portion 308 to provide notifications from the web server 104 (generated by the front end portion) to the mobile device 102 at times/circumstances determined by the web server 104. The notifications can be indicative of information content that is available to be provided to the mobile device. The mobile device 102 in turn is able to respond to the notifications, in manner(s) deemed appropriate by the mobile device 102. Such responses often (but not necessarily always) constitute requests that some or all of the available information content be provided from the front end portion of the intermediary web server 104 to the mobile device.
Referring to
In some such cases, the multiple communication links are of different types, for example, involving a push channel or communication protocols other than push channels. Also, while the establishment of a communication link with a mobile device 102 typically involves establishing a circuit switch connection with a base station, and thus the communication device providing identification information to the base station by which the mobile device identifies itself to the telecommunication network, the connection to the web server 104 can also be via an internet protocol (IP) connection or a point-to-point (P2P) telecommunications connection between the base station with which the mobile device is communicating and a load balancer/firewall, and also can involve the providing of a response signal from the web server back from to the mobile device by which the mobile device recognizes that it is in contact with the web server.
Upon completion of the step 402, at a step 404 the web server 104 further establishes a communication link with a CPW, such as the communication link 108 with the CPW 106 shown in
Referring additionally to
Further as shown in
Next, at a substep 514, the information is filtered based upon whether it is high importance or low importance information. As further represented by substeps 511, 513, 515 and 517 (shown in dashed lines), this filtering operation can involve further determinations. Namely, as shown at a substep 511, the web server 104 can determine whether the information concerns friends, new friends, special messages, news or happenings. If so, then at a substep 513 that information is assigned a low level status. However, if the information does not fall into one of those groupings, then the filtering process proceeds to the substep 515, at which the web server determines whether the information concerns status updates. If it does, then a high level status is assigned to the information at the substep 517. In the present example embodiment, if the information is determined not to concern status updates at the substep 515, then the process again returns to the substep 513. It will be recognized that the web server 104 can determine whether the information is a status update for the user, and if it is, treat the information as high level, or high priority, and if it is not, treat the information as low level, or low priority. Other types of information may be also be treated as high priority, though it is desirable to restrict the number of messages that result in increased activity for the communication device.
Upon completion of the filtering substep 514, the process then advances to a substep 516, in which the web server 104 (specifically the front end portion 308 of the web server) determines one or more differences that may exist between the information that was obtained at the step 406 from the CPW 106 and previous information that was received earlier from the same CPW. In the present embodiment, it is only such difference information that is ultimately transmitted back to the mobile device 102. As already noted, the substeps represented by
Returning to
The appropriate time at which low importance processed information is sent by the web server 104 to the mobile device 102 can be based upon various considerations. For example, in some embodiments, such appropriate times are merely periodically-occurring times at which the mobile device 102 polls the web server 104 for information. Such polling typically involves the repeated sending of inquiry signals from the mobile device 102 to the web server 104. In other cases, an appropriate time occurs when the particular circumstances have arisen. For example, an appropriate time for sending low importance processed information can occur when the mobile device 102 makes a request if additionally it is the case that by that same time the web server 104 has determined that a certain quantity of low importance processed information has been stored for transmission to the mobile device. Although in the above description the obtaining of information by the web server 104 is described as involving pulling while the obtaining by the mobile device of low importance information from the web server is described as involving polling, it should be understood that either pulling or polling operations (and either periodic or asynchronous communications) can be used by either of the web server and the mobile device, respectively, to obtain information from the CPW 106 and the web server 104, respectively, depending upon the embodiment. Additionally, it is envisioned that the server can be pulling information from the content provider website 106 when the mobile device 102 is not connected to the system 100, as a consequence of which the server will hold information until the mobile device reconnects, or when enough time elapses that the server deletes the information.
Regardless of whether high importance or low importance information is sent to the mobile device 102 at steps 412 and 416, respectively, upon completion of these steps, a series of additional steps are performed by the web server 104 in interacting with the mobile device, the CPW, or additional mobile devices/CPWs. More particularly in this regard, upon the completion of steps 412 and 416, at steps 418-428, information from the mobile device 102 can be uploaded to the web server 104 and further provided to the CPW 106. As shown in
Next, at a step 422, the web server 104 receives a command from the mobile device 102 instructing the web server to upload the content information to the CPW 106. In alternate embodiments, this command need not be expressly provided by the mobile device 102 to the web server 104 since, in such embodiments, it is presumed by the web server that all content information provided by the mobile device should be further uploaded to any CPW with respect to which that mobile device is associated. Further then at a step 424, the web server 104 sends the identification information received from the mobile device 102 to the CPW 106 so as to authenticate the relationship between the web server and the CPW. In response to sending this identification information, typically a token is received back from the CPW if the authentication is satisfactory, as indicated by a step 426. As with respect to the step 418, the steps 424 and 426 need not be expressly performed at this time in all embodiments, particularly where such actions were taken as part of the establishment of the communication links in the step 402, 404. Regardless of when the authentication occurs, the authentication process allows the web server 104 to interact with the CPW 106 on behalf of, and as a proxy of, the mobile device 102. Assuming that proper authentication has occurred, then at the step 428 the content information is sent by the web server 104 to the CPW 106.
It is envisioned that the user ID and password required for the web server 104 to upload and download content to and from the content provider website 106 for a particular user account on the content provider website can be loaded into the web server 104 by the user when the mobile device 102 first connects to the server and sets up the content provider website on the web server. The web server 104 will store the user ID and password in the memory 302, and access the CPW using the user ID and password as long as the user does not change them, to maintain a persistent connection with the CPW regardless of whether the mobile device 102 is connected. It is further envisioned, that the pulling of information from the content providers 106 can be reduced, either in frequency or completely paused, if the mobile device does not request information from the web server 104 for a predetermined time period, or if the user device queue for downloading content to the device exceeds an age threshold and/or a storage capacity threshold.
In addition to the previously-described uploading process, in some circumstances a user operating the mobile device 102 will desire that the contents be uploaded to more than one of the CPWs 106. Such a process can be facilitated by the web server 104, as indicated by steps 430-438 of
Upon the establishment of the communication link at the step 436, or if it is determined at the step 432 that a communication link was already established with the other CPW, then the process advances to the step 438, at which the content information is uploaded to the other CPW. Thus, by virtue of the steps 430-438 the content information already provided to a first CPW at the step 428 is additionally provided to another CPW. It will be understood that, although
Further with respect to
Notwithstanding the above description, and although not shown in
It should be understood that, notwithstanding the particular steps as shown in
It is envisioned that the back-end portion 116 can include a separate plug-in for each CPW 106, including respective APIs appropriate for its respective CPW. Each of the plug-ins includes APIs for its respective CPW by which the plug-in pulls information from the web site and reformats the information into the universal format of the mobile device 102 client. Additionally, content from the mobile device will be reformatted from the uniform format of the mobile device 102 client program to the appropriate format specified by the CPW associated with that plug-in when uploaded by the back-end portion. In this way, content from the user device can be sent in a single message having a uniform format and it will be routed as selected by the user and formatted by each of the back-end portion plug-ins for each of the respective CPWs 106 to which it is targeted.
Turning to
Referring additionally to
Further, at a substep 712, the mobile device 102 additionally sends to the web server 104 additional web identification information allowing the web server to establish the communication link with the CPW 106, and to act as a proxy for the mobile device in its communications with that CPW. The identification information sent at the substep 712 in some embodiments can be the same as that of the substep 704, in which case the substep 712 need not be performed. Once the identification information has been provided at the substep 712, a push channel link is established between the mobile device and the web server at a substep 714. Upon completion of the substep 714, the remaining steps of the process represented by
Returning to
The inquiries provided by the mobile device 102 at the step 606 can be provided on a periodic basis or at other times as determined by the mobile device. Although in the present embodiment it is envisioned that the mobile device 102 will determine when inquiries to the web server 104 are made that in turn determine whether information other than high importance information is communicated from the web server to the mobile device, in other embodiments such inquiries and/or downloading of information can occur at times determined by mutual agreement between the web server and the mobile device, at times determined solely by the web server alone (e.g., when the web server has determined that a sufficient amount of low importance information has been collected), or at times determined by another entity or party such as a manufacturer who has programmed both devices. Regardless of whether it is inquiries from the mobile device 102 that prompt the sending of information by the web server 104 back to the mobile device or whether it is other triggers that prompt the sending of such information, as indicated at a step 608 eventually such other information is also received by the mobile device from the web server. While the step 602 can be considered complementary to the step 402 of
Referring still to
In performing such redactions, similar types of information found at different CPWs, even if referred to in different manners by the different CPWs (e.g., as information found at a posting site or instead as information found on a wall), are recognized as being of similar type conceptually and, based upon such recognition, such information can be displayed (or output) in a common manner on the mobile device regardless of the origin of the information. That is, given the redaction of such CPW-specific formatting information or features, information of the same conceptual type from different CPWs, even if formatted differently at the different CPWs, is nevertheless displayed a same or similar, consistent manner on the mobile device regardless of the origin of that information, thus facilitating a user's review of such information. It should further be noted that such information can include not only text and image data but also a wide variety of other data, including data allowing for the display of interactive windows and data entry fields on the mobile device, into which the user as able to enter additional information or commands that can then be sent back to the web server.
Next, at a step 610 the mobile device 102 determines whether there is a need or desire to upload content information currently available at the mobile device to the web server and/or ultimately to the CPW 106. The need or desire can be determined automatically by the mobile device 102, for example, based upon whether a particular type of information has been received by the mobile device from a user or other source or whether a particular event has occurred or time has passed triggering such an uploading event. Often, such a need/desire will occur in response to a user command provided to the mobile device 102. If at the step 610 it is determined there is no such need/desire, then as shown the process advances to a step 622 discussed below. However, if it is determined at the step 610 that there is such a need/desire, then at a step 612 the mobile device 102 sends the content information to the web server 104 and at a step 614 the mobile device additionally sends a command to the web server to upload the content information to the CPW 106. The steps 610-614 can be understood as being generally complementary to the steps 418-428 of
Upon completion of the step 614, the mobile device 102 further determines whether there is a need/desire to upload the content information to one or more additional CPWs in addition to the first CPW to which that information was already uploaded, at a step 616. Again, that need or desire can be determined based upon a variety of factors including, among other things, one or more instructions provided by a user of the mobile device to the mobile device. If at the step 616 it is determined that there is no such need or desire, then the process advances again to the step 622 as discussed below. However, if it is determined at the step 616 that there is such a need or desire, then the process advances to a step 618, in which an additional communication link is established between the mobile device and such additional CPW via the web server. The step 618 can be considered complementary to the steps 432-436 of
Upon the establishment of the additional communication link with the additional CPW 106 at the step 618, then the mobile device 102 further sends a command to the web server 104 to upload content information to that additional CPW 106 at a step 620. Performance of the step 620 can be understood as corresponding to the step 430 of
Although the above-described steps of
If the mobile device 102 determines at the step 622 that this is not the case, then the mobile device can return in its operation to a node A, in response to which the process begins again at the step 604 and proceeds onward. Assuming this to occur, the mobile device 102 thus continues to both receive information from the web server 104 and also continues to operate to upload content information to the web server on a repeated, ongoing basis. If however at the step 622 the mobile device 102 determines that there is a need or desire to communicate directly with the CPW 106, then the mobile device proceeds to a step 624 at which the mobile device establishes such a direct communication link.
Whether there is a need or desire to communication directly with the CPW 106 can be determined based on a variety of considerations. In some circumstances, the mobile device 102 determines this automatically and as a result automatically proceeds to establish the direct communication link with the CPW 106. For example, if a user requests more information regarding a particular topic and downloading of that information from a given CPW is best accomplished (e.g., in terms of efficiency of data transfer or the like) by way of direct communications with the CPW, then the mobile device can attempt to connect directly to the CPW. Also it is possible in some circumstances that a user may wish to view information available at a particular CPW in the particular format associated with that CPW, and not wish to view a redacted view of such information as might be provided if the information was processed by the web server 104 en route to the mobile device. Also the determination of whether there is a need or desire to communicate directly with the CPW 106 can be determined based upon receipt of a user command that expressly requests such communications.
The establishment of a direct communication link at the step 624 can involve a variety of particular commands or operations by the mobile device, which in some circumstances can involve receiving inputs from a user, depending upon the embodiment. For example, in one circumstance, a user initiates the establishment of such a direct communication link by causing a browser application/program to be opened and run on the mobile device and by entering a URL (Universal Resource Locator) for the CPW into an input field provided by the browser, as a result of which the browser enters into communication with the CPW and the CPW in turn returns web pages or other information back to the browser by which the mobile device (and user) is able to engage in further communications with the CPW. In other embodiments, the establishment of the direct communication link is an automatic process that does not involve any specific user actions.
Regardless of how the direct communication link is established, upon establishment of that link then at a further step 626 the mobile device 102 sends and/or receives information to and/or from the CPW 106 directly (again, without the intermediation of the web server described above). Subsequently, at a step 628, the mobile device further determines whether there is a need or desire to cease the existing communication link with the web server 104. If there is no such need/desire, then the process returns to the node A and again the step 604 and subsequent steps are repeated. That is, both direct communications (without web server intermediation) and indirect communications (by way of the web server) between the mobile device and the CPW(s) can continue simultaneously. However, if at the step 628 it is determined that there is a need or desire to cease server-based communications, then the process advances to a step 630 at which the mobile devices communication with the web server is broken (which corresponds to the step 440 discussed above with respect to
In the present embodiment, as discussed above, the web server 104 is configured to maintain itself in communications with the CPW or sites with which it was previously in communication on behalf of the mobile device even after the communications with the mobile device have been terminated, with the web server 104 continuing to act as a proxy for the mobile device. However, in other embodiments, the web server's communications with the CPWs 106 are severed when the mobile device terminates its communications with the web server 104. In any event, subsequent to the step 630, at a step 632 there may be a new need or desire on the part of the mobile device 102 to reestablish communications with the web server 104. As with the determinations of whether to enter into direct communications with the CPW 106 at the step 622 or cease communications with the web server 104 at the step 628, whether there is a need or desire on the part of the mobile device 102 to reestablish communications with the web server 104 at the step 632 can be determined based upon any of a variety of considerations including, for example, user commands that trigger such activities, battery power considerations, etc. If at the step 632 it is determined that server-based communications should be reestablished, then the process returns to the start step 600. If not, the process represented by
Turning to
Next, at a step 806, the front end portion 308 of the web server 104 determines whether the processed information is of high importance or not of high importance (e.g., low importance). In performing this determination, the same considerations can be taken into account as were discussed above in relation to the step 410 of
Once the notifications have been sent in either of the steps 808 or 810, then at a step 812 the front end portion 308 of the web server 104 at a later time can receive a request from the mobile device 102 to send the change information itself. The request can be received at any time as determined by the mobile device 102. Often, if the change information is of high importance, the mobile device 102 will immediately or very soon after receiving the notification at the step 808 send the request for the information. In contrast, if the change information is of low importance, the mobile device will often wait until a predetermined time (e.g., a periodic or non-periodic polling time) for such a request as been attained. For example, the device may wait no more than 5 minutes to request high importance information and wait 15-30 minutes between requests to download the low importance information. In any event, upon a request for transmission of the change information being received from the mobile device 102 at the step 812, then the requested change information is subsequently sent by the front end portion 308 of the web server 104 to the mobile device 102. In the present example, it is preferable that this change information is not sent by the push channel, or alternatively that only high-importance change information is sent by the push channel, to reduce the amount of time the mobile device is powered up to receive the change content, though it is recognized that in other embodiments all of the change information can be sent via the push channel. Upon the sending of this information at the step 814, or if no request for information is received (or at least not received within a predetermined time period) at the step 812 or if no change was detected in the information received from the CPW 106 at the step 802, then the process returns to the node C (and thus to the step 418) of
Although in the present example, notifications of change information are provided in the same manner by way of the push channel at the steps 808 and 812 regardless of whether the change information is of high importance or of low importance, this need not always be the case. In other embodiments, for example, a notification regarding a high importance change can be sent more promptly than, or in some other manner than, a notification regarding a low importance change. Further, while in the present example of
As for
If at the step 902 it is determined that the change is of high importance, then the mobile device 102 at the step 904 determines whether the high importance change information should be immediately obtained from the web server 104. Although in some embodiments it is always the case that high importance change information should be obtained as soon as possible, in other embodiments the mobile device can still for various reasons determine that it would preferable to defer attempting to obtain that information from the web server (e.g., because the mobile device is low on power). Assuming that at the step 904 the mobile device 102 determines that the change information should be obtained immediately, then the process advances to the step 906 at which the mobile device immediately sends a request signal to the web server requesting that the high importance change information be provided to the mobile device right away. In response, at a step 908, the mobile device 102 ultimately receives the requested change information (or at least some of that information, as determined by the web server 104) from the web server. In this regard, the performing of the step 908 complements the performing of the step 814 of
If alternatively at the step 902 it is determined by the mobile device that the notification indicates that the change information is of low importance, or if at the step 904 the mobile device determines that the change information should (or need) not be obtained immediately, then the process instead advances to the step 910. At the step 910, the mobile device 102 further determines whether an appropriate time for polling the web server 104 for change information has occurred. Such an appropriate time can be a periodically-occurring time or, in other embodiments, can be determined by the mobile device 102 based upon a variety of other considerations (e.g., a predetermined amount of time has elapsed since another event, or a user command as been received instructing the mobile device to obtain content information from the web server 104).
If at the step 910 the appropriate time for polling the web server has not yet occurred, then the process can repeat that step until such time occurs (or can advance to another step of the process and/or possibly return to the step 910 at a different time). If however at the step 910 the appropriate time has occurred, then the process advances to the step 912, at which a polling/request signal is sent by the mobile device 102 to the web server 104. Upon the sending of that signal, the process returns to the step 908 at which the mobile device 102 receives the requested change information. Further as shown in
While the change information sent by the web server 104 at the step 908 is often of greatest interest to a user of the mobile device 102, this change information often excludes a variety of content (as well as formatting) information that was originally available at the CPW 106 prior to processing of that information by the web server. That is, while the information provided by the web server 104 can include various content such as happenings, recent status information, comments from others, etc., and while the mobile device 102 can also as matter of course display certain standard information as part of its user interface (e.g., the name of the user, the CPW with which the user is contact, etc.), significant amounts of content and/or other information can be excluded due to the intermediation of the web server 104. For this reason, upon the display of the change information at the step 913, a user may decide that it would be desirable not only to obtain the change information but also to obtain other content (or even formatting) information. Given that a user may wish to obtain such other information, the mobile device at the subsequent step 914 further determines whether a user command to obtain other information not received from the web server 104 at the step 908 has been received. Such a command can be received, for example, when a user selects an icon displayed by the mobile device, which might be displayed as part of the change information at the step 913.
If it is determined at the step 914 that such a command was received, then the mobile device 102 at a step 916 establishes a direct communication link with the CPW 106. This operation of establishing the direct communication link can be identical or similar to the operation associated with the step 624 discussed above, and can involve standard web-based client-server communications (e.g., involving the input/transmission of a uniform resource locator (URL) and/or interfacing with web pages of the CPW 106) that are designed to both establish the communication link and elicit the other information that was desired by the user. Thus, upon establishment of the direct communication link at the step 916, then at the step 918 the other information desired by the user is received from the CPW 106. Upon completion of the step 918, as well as in the event no user command was determined to have been received at the step 914 or in the event notification from the web server 104 was received at the step 900, then the process returns to the node D and continues on with the step 610 of
In another alternate embodiment of the invention, the back-end portion 306 includes a plurality of plug-ins, or processors, each of which is associated with a respective CPW 106. Each plug-in includes application programming interfaces (APIs) for its associated content provider website 106. Each plug-in uses hypertext transfer protocol (HTTP) to persistently pull information from its respective content provider website 106.
When changes are detected by the back-end portion 306 plug-ins, the changes are loaded into a queue and the front end portion 308 pushes a notification to the device. All of the plug-ins in the back-end portion 306 will continue to load the queue with information formatted according to a common format that includes, for example, the ID of the source of the information (the source content provider website identification), the account ID of the user device, the content type, the priority, and the information. For status, for example, the format can be: type (STATUS, MOOD, STATUS_AND_MOOD), action (clear status or update status), provider, aggregation service account id, external id, friend id if the update is for a friend, status text, post date and time. The web server builds a unified feed for each user device (or user account) by combining the content pulled by all of the plug-ins into a common change list for each respective device (or user account). The content is built over time, and each entry can be time stamped.
The following algorithm can be used for detecting a change during server sync, with server sync being understood to involve syncing of the web server 104 with a CPW 106 (by comparison, client sync can be understood to involve syncing of a client such as the mobile device 102 with the web server). The web server 104 program maintains three numbers for each account: c1a, w1, and w2. The c1a is the change list anchor, w1 is the beginning time (sample) of the change list window, and w2 is the end time (sample) of the change list window. The server 104 stores the portion of the change list that falls inside the window [w1,w2]. All changes found during a server sync (i.e., the back-end pulling from the content provider website) are stamped with a sync anchor equal to the current w2 (i.e., before w2 is incremented by 1). The program suspends server sync (content provider web size sync) once the window size reaches or exceeds the maximum window size mw. Once suspended, the server will resume server sync when a new client poll is received. The other variables are ca is the client anchor, OFF is a flag indicating no sync activity. The values of c1a, w1, and w2 are updated according to the following state transition rules:
When the client polls for changes, if the client anchor ca falls inside [w1, w2], then a partial sync will work and the server sends back changes that fall within [ca, w2] (and deletes changes older than ca). At the conclusion of the sync, ca will be updated. If when the client polls for changes, the client anchor fell outside of [w1, w2], a new full sync will occur between the web server 104 and the client program in mobile device 102.
It is envisioned that server sync (the back end plug-ins pulling content for a particular device 102) can be suspended for a particular device 102 account when the window size reaches mw, in which case a few missed pushes (notifications to the device) may cause service outage for a device in the absence of client polling. It is envisioned that it may be advantageous to sending pushes if there are pending changes since last w2, pushes can be sent as long as there are pending changes since w1.
It is further envisioned that the intermediary web server 104 described herein can be advantageously employed with the device polling manager described in U.S. provision application 61/180,301, entitled A MOBILE COMPUTING DEVICE AND METHOD WITH ENHANCED POLING MANAGEMENT, filed on May 21, 2009, the disclosure of which is incorporated herein by reference.
Photo, also referred to as picture, uploading will now be described as an example of uploading content. The intermediary web server 104 can be employed to optimize a process of uploading photos from a user device 102 to multiple social networking systems 106 by caching the photos at an intermediary server 104 memory 302. An exemplary flow can be as follows:
In operation, the photographs from the user device 102 are uploaded from the user device 102 to the front end portion 308 of the network, as indicated at step 1102 (
For one exemplary embodiment, a photograph is uploaded from mobile device 102 as an action, along with the identification of a specified content provider website 106, to the intermediary server front end 308 and stored in temporary storage of the network server at step 1102 (
For other embodiments, the web server back-end portion 306 will determine whether the photo uploaded from the user device 102 is within the requisite limitations (i.e., dimensions and size) of the target social networking system. It is envisioned that this can be processed by the plug-in associated with each content provider website when a picture is removed from memory 302, as each plug-in can store the content provider websites limitations on photographs. If the limitations are met, the back-end 306 can send the photo through to the target content provider website. Otherwise, the photo will be resized according to the requirements of the content provider website. In order to resize the photograph, and/or scale the photo to a target size, a resize factor is determined A particularly advantageous algorithm that can be used to determine the resize factor X is as follows:
x/100=((t−f)/(kc))̂(0.5)
where
By storing a photograph in the web server 104, the server helps reduce power consumption in the device and bandwidth burdens on the communication network by permitting the mobile device to send media to different social network servers at different times while uploading the media only once through the local area network or wide area network over which the device communicates. Additionally, the web server can adopt the media to the format desired by each content provider website, and the device need not know or accommodate these requirements to successfully upload the media.
It is also envisioned that photographs can be downloaded in step 1302 (
It is further envisioned that the client program in the mobile device 102 will store some definitions regarding the content types and characteristics for each content provider website that the user has a server account. The user interface of the device will vary depending on which accounts the user sets up on the server in step 1502. For example, assume the user enters Facebook™ and Twitter™ on their web server 104 account. When the user interacts with user interface to construct a message 1402 (
The mobile device 102 generates a user interface display 216 having operating parameters 1404 dependent on the one or more content provider websites to which the user device set up on the intermediary web server. For messages, the generic message entry field 1402 is presented on display 216 for the user to input text, the size upper limit based on the smallest maximum message size permitted by the one or more social networking websites selected to be the destination of the message text. The limit can be retained on the client device. The mobile device client program can generate a warning 1406 when the message size gets within a predetermined amount of the limit. The limit changes in step 1510 if the one or more social networking sites changes in step 1508. The content from the user interface input populates the message input area 1402, and can generate a warning when the limit is reached. The client program transmits the message which is received by the server front end at step 1602 (
From the above description, it should be evident that a variety of methods employing numerous different operational steps such as those discussed above, are encompassed by the present invention. Additionally, a variety of alternate embodiments are also intended to be encompassed by the present invention in addition to the specific embodiments discussed above, including embodiments employing methods having other operational steps in addition to or instead of those discussed above, as well as embodiments employing methods with steps in a variety of orders and combinations in addition to or instead of the particular orders or combinations of steps discussed above. Further it should be evident that systems in accordance with one or more of the embodiments described above are able to provide enhanced functionality in several regards in terms of facilitating interactions between mobile devices operated by users and social networking websites. Depending upon the embodiment, any one or more of the quality of communications between users and social networking websites, the user-friendliness of social networking websites and associated transactions as experienced by mobile device users, and/or the efficiency of communications between mobile devices and such websites can be enhanced.
The web server 1704 exchanges information between one or more user devices 1702 and 1703 and one or more content provider websites 1706-1708, which may also be referred to as content providers, social networking websites, news sources or news feeds. The user devices 1702 and 1703 may be any of the user devices discussed herein. The intermediate web server 1704 pulls information from the content provider websites 1706-1708 and makes the information available to the user devices 1702 and 1703, responsive to a poll from the user devices. The user device 1702 and 1703 can also push content to content provider websites via the intermediate web server 1704. Additionally, the user devices 1702, 1703 can access the content provider websites (CPWs) 1706-1708 directly through a direct connection 1720 over the internet 1705, which may also be referred to as the world-wide-web, or simply the web.
User devices 1702 and 1703, the intermediate web server 1704, and the content provider websites 1706 are connected via the internet 1705, and illustrated by a first internet network 1705′ and second internet network 1705″. The intermediate web server 1704 accesses the content that the content provider websites make accessible via the internet network 1705″, according to selected application program interface (APIs) associated with each particular content provider, according to settings for each device 1702 and 1703, and make the content available to the user device in an easily processed format. The intermediate web server 1704 also receives content originating from the user devices 1702 and 1703, communicated either through the internet 1705 or via another communication network, such as a cellular network, and provides the information to the appropriate content provider 1706-1708 in an appropriate format for the respective content provider website.
The intermediate web server 1804 includes content provider processor 1816 to pull information from content provider websites 1806-1808, process information to identify new content, and generate a notification sent to core services processor 1818 if new information is identified. The information may be stored locally within the web server 1804 in memory 1814. Core service processor 1818 notifies user devices 1802, 103 that new information is available and stores user device information for synching with the user devices. The core service 1818 responds to polls from the user devices 1802 and 1803 to provide content to the respective user device.
Information transmitted by the user devices 1802 or 1803 may also be posted to content provider websites 1806-1808 through web server 1804. The content provided from the user devices 1802 or 1803 is received by the core service processor 1818, formatted by the content provider processor 1816 to be compatible with one or all of the content provider websites 1806-1808, and sent to the appropriate content provider 1806-1808.
Examples of content provider websites 1806-1808 include social network websites (SNWs) such as Facebook™, Twitter™, and Myspace™. Other content provider websites can be photo sites such as Photobucket™, or news sources, including any source providing a Really Simple Syndication (RSS) feed or any other source of news content. The above examples are not considered exhaustive, but rather examples of the types of sources that can provide content for user devices. The sources may include special content for mobile devices, or content for personal computers.
The content provider processor 1816, which may also be referred to as the back-end, the back-end portion, or the social network processor (SNP), of the intermediate web server, includes a respective plug-in 1824 for each content provider. Each plug-in 1824 may have a respective processor and/or program storing definitions, or APIs, for pulling content from its respective content provider and uploading information from the device to the respective content provider with the appropriate formatting.
The core services processor 1818 is also referred to as the front-end. The core services processor 1818 includes a web support portal application server 1826, a core web services application server 1828, and a push server 1830. The core services processor 1818 and content provider processor 1816 are connected to memory 1814, which serves as a temporary store or cache, which can for example be implemented using a large memory system partitioned into databases.
As illustrated in
The Push server 1830 may, for example, be connected to the user device 1802 by a TCP connection. The core web service servers 1828 and the web support portal 1826 may be connected via an HTTP connection. The plug-ins 1824 may also communicate with the content provider websites 1806-1808 via HTTP connections.
As discussed above, the respective plug-ins 1824 support social networking sites such as Facebook™, Twitter™, MySpace™, and content feeds such as RSS, ATOM, Podcasts, and the like. Additionally, plug-ins 1824 may be provided for messaging portals such as Yahoo™ mail, Google™ mail, and Microsoft™ mail. Email services, however, may still be directly accessed by the mobile devices 1802 and 1803, and the contact lists from the mail services backed up via the front end services. Data aggregation (information from the content provider to the device) and notification APIs (from the device to the content provider) may support a variety of activities, such as status, notifications (new mail, feed change), friend feed, and friends/contacts. The web server 1804 also supports a push channel (to provide notifications to the device), over-the-air software provisioning, setup and configuration of the intermediate web server for the device (e.g., the user's accounts, preferences, etc.) and web services. The intermediate web server 1804 features user device security, widget-based web access, device backup and restore, and carrier support tools.
The intermediate web server 1804 may provides account management, push and data services to a device 1802 or 1803. The account management service may provide settings and device setup, supporting service identification, server settings for the user and other account/user configuration. The push service may provide a service to notify a device that it has new content, or data available, thus allowing for timely presentation of dynamic data such as status, news and friend updates to the user without the user device having to poll the content provider directly. The data services may include upload, retrieve and synchronization services for various types of data to the device. For example, feeds provide information retrieved from the content provider websites to the devices, uploads provide content from the device to the content provider websites, and sync enables synchronization of the device 1802 or 1803 with the cache on the server.
A device 1802 or 1803 connecting to the intermediate web server 1804 for the first time may connect to a device setup service to do the initial device setup, such as setting entering an email account to associate with the aggregation service, set up the content provider websites to be accessed by the device, enter the passwords and user identifications, and establishing preferences such as language. Once the device setup is complete, a persistent TCP/IP connection is established for the client device and the push service. When the intermediate web service 1804 detects that a change has occurred that affects the data for a particular device, a signal is sent to the device via the push service. At this point it is up to the device to decide whether or not to connect to the relevant data service directly and retrieve any new or modified data. For example, the device may poll the server for the information, and present the information to the user via the user interface (e.g., a display). The user can view the information, and decide whether to access the source directly to obtain additional information.
The information pulled from the content provider websites 1806-1808 by plug-ins 1824 is processed in the intermediate web server 1804 and compared to previous information to identify changes.
The information available from the content providers 1806-1808 may be of a wide variety of types. Those content types that are supported by the aggregation service 1804 are monitored for changes. When an event is detected, an item is added to the change list to be provided to the user device. The change list contains all events that have occurred either from initialization or from a last change list anchor. Events include postings, including but not limited to status or comments, news feeds, updates of social network contacts.
More particularly, for each content provider 1806-1808, a set of definitions are provided for the subset of content types that the aggregation service supports. The plug-in 1824 associated with the content provider will pull the supported content from the content provider website 1806-1808. The content may then be reviewed for changes. When a change occurs, the change is communicated to the front end 1818 as part of a change list.
In operation, the server 1804 and a device 1802 each store a change anchor. The server 1804 will continuously pull content from the content provider website 1806-1808 to remain in sync with the content provider website 1806-1808. Each time the back-end portion 1816 pulls content, it checks for a change. If a change is detected it is added to the change list which may be stored, for example, in the memory 1814. The device 1802 syncs to the server 1804 to remain up to date on the changes, and the server 1804 and the device 1802 use the anchors to determine how much information to exchange.
The following terms are associated with the back-end portion of the web server 1804 change syncronization:
The following sync transfer queue algorithm can be used when detecting a change during server sync and insure that new information is provided to the device such that the device is updated. The web server 1804 program maintains three numbers for each account: CLA, W1, and W2. The server 1804 program stores the portion of the change list that falls inside the window [W1,W2]. All changes found during a server sync are stamped with a sync anchor equal to the current W2 (i.e., before W2 is incremented by 1). The program suspends server sync (content provider web size sync) once the window size reaches or exceeds the maximum window size mw. Once suspended, the server 1804 will resume server sync when a new client poll is received. The values of CLA, W1 and W2 are updated according to the following state transition rules:
When the client 1802 or 1803 polls for changes, if the client anchor CA falls inside [W1, W2], then a partial sync will work and the server sends back changes that fall within [Ca, W2] (and deletes changes older than CA). Otherwise, the server and client starts a full sync. The client needs a full sync if and only if client anchor CA is less than W1 or greater than W2 (i.e., the CA is outside the window). In this case, the client anchor CA is “invalid”. The server 1804 resets its change list if and only if the change list anchor CLA is less than W1 (i.e., the server does not have the full history of the current change list). The server 1804 sends the window [0, W2] to the client, where the “0” tells the client that it should do a full sync.
Although an account to be associated with a single device, a users may want more than one device to sync to the same user account in the aggregation service. In the absence of change list resets, multiple devices work as well as a single device. In case of a change list reset, a race condition could happen between the multiple devices that would cause change lists constantly resetting on the server. For example device 1 polls for changes, sending an invalid CA. The server 1804 does not have full history of current change list, so it resets its change list. Device 1 again polls for changes, causing W1 to move up. Device 2 then polls for changes, and its CA is guaranteed to be invalid because of the change list reset caused by the polling of Device 1. The server 1804 is then forced to reset its change list again. Device 2 may then poll for changes again, causing W1 to move up. If Device 1 then polls for changes, and its CA is guaranteed to be invalid because of the change list reset and the server 1804 is forced to reset its change list again.
To avoid this race condition, the server 1804 can keep one acknowledged client anchor (“ACA”) for each device, and only move W1 up when the smallest ACA is greater than the current W1. Alternatively, the server may create a buffer zone for W1, i.e., server won't move W1 all the way up to CA, but to a minimum of CA or W2−MW/2.
In the context of synching with content providers, (e.g., Facebook™), due to the fact that the content provider processor 1816 (i.e., SNP processors or the back end portion) do not have the master copy of the data (i.e., the data from Facebook™ or one of the other content provider websites 1808-1808 is not copied in total), and the server 1804 doesn't store the complete history of changes locally, the server 1804 will need to reset (i.e., reconstruct from scratch) change lists from time to time (e.g., when devices go way out of date). As a consequence, the same timestamp/sync anchor could mean different things in the context of change lists constructed at different times.
Consider the following sequence of events 2200 illustrated in
As seen in
To avoid this problem, a version number can be saved with the change list, not just the individual changes. That is, every time the change list is reset on the server, the change list's version is incremented by 1. Then when an old version number is received from the client, the server will know unequivocally that the client device needs a full sync. In another embodiment, the web server 1804 may store a client anchor for each device and force a full sync when the stored client anchor is out of sync with the sync anchor (e.g., t in the example above) received from the device. For any given change list CL and any given change C, there is an anchor(C)<version (CL) if and only if C comes from a change list whose version is lower than that of CL, then the server need not communicate an extra version number between the server and the client—the server only needs to store the version of the current change list on the server, and compare incoming client sync anchors with this version number to determine if the client is out of version (and thus needs a full sync). The server can achieve this by picking the sync anchors and the change list versions from the same sequence of numbers.
One consequence of this approach is that the server can no longer use external timestamps (e.g., those that come with Facebook™ messages) as sync anchors, but rather assigns its own sync anchors.
The intermediary web server 1804 may provide content to the mobile device 1802-1803 in whatever language it pulled by the back-end from the content provider website 1806-1808. For example, if customer's Facebook™ preference is French, Facebook™ will send content in French, and the content will pass through aggregation services of the intermediary web server 1804 in French. This is consistent with the direct relationship of user devices and social network providers, wherein the account holder cannot change language preferences on their device, but rather selects the language on the social network provider web site.
When a change is detected by the back-end 1816 in a “content type” supported by the web server 1804 (i.e., the aggregation service), the back-end 1816 will notify the front-end portion 1818 to send notice to the user device 1802 or 1803.
The web server 1804 may also sink a news feed. News sources may selected by the mobile device service provider (e.g., the cellular carrier) or the user device. The intermediary web server 1804 can provide local content for each of the markets and languages wherein user devices are utilized. In one embodiment the intermediary web server 1804 does may not translate the language of the content, but may just pass through what the back-end portion 1816 pulls from the news service content provider.
The web server 1804 may also sink an admin feed. Admin feed messages can be created by the system administrator, they are localized and they are sent to the user device in the correct language for the device.
The web server 1804 may also sink contacts, such as a friends list. Given that contacts are not often updated, the front-end 1818 of the aggregation service may synchronizes them infrequently, for example not more than once or twice a day. Providers that support asynchronous change notifications are the exception to this process and such changes are synchronized immediately.
When the intermediary web server 1804 back-end 1816 detects a contact has been updated in a social network website, it sends a low-priority signal to the aggregation service client program stored in device 1802 or 1803 over the push channel. Upon receipt of this signal the aggregation services client will initiate a 2-way sync operation by calling the aggregation service's synchronization web services in the front-end of server 1804.
The aggregation services client may also allow the user to initiate a sync manually. For example, the device 1802 may include a menu by which the user can request a sync with the web service front end. Changes to contacts on the aggregation service client program may be synchronized with the web server in a “lazy” fashion. The client program will batch up changes for a configurable period of time before sending them to the server front-end 1818.
As discussed above, a Friend Feed is information that pertains to contacts/friends in the social networking website provider's network. When the aggregation service detects new feed elements it sends over the push channel a low-priority signal to the aggregation service client program in the user device. Upon receipt of this signal the client will fetch the feed from the aggregation service using the appropriate web service polling exchange. The feed may contain elements from several content providers 1806-1808.
A status is typically set manually by the user for most content providers, but the aggregation services client program can support instant messaging (IM) style presence as well. A status is monitored for the subscriber (self-status) and for all of associated friends (friend-status). Self-status may also be set in the provider by the aggregation services client program using the appropriate web service. When the aggregation service web server back-end detects a change in status (self or friend) it sends a high-priority signal to the aggregation services client program over the push channel. This push signal can advantageously contain the status value in its payload.
Social networking providers that support status will have an entry in the provider settings. Each provider will include status settings that define: the mapping of the provider to a provider ID, maximum length of status text, if mood is supported, a list of moods and/or a list of available reactions. In one embodiment, the user or provider may enter a null or an empty string to clear a status.
If the user is setting a mood, the user may provide an identification of the mood, a description of the mood, select a predefined picture depicting the mood or provide a url for a user selected picture.
The web server 1804 back-end 1816 plug-ins 1824 can obtain status and mood updates directly from the social networking sites and notify the core web service 1828 of any changes. Status and mood updates may contain the following information: a type (STATUS, MOOD, STATUS_AND_MOOD), an action (clear status or update status), a content provider (e.g., one of content provides 1806-1808), an aggregation service account id, an external id, a friend id if the update is for a friend, a status text and/or a post date. If the update is a MOOD or STATUS_AND_MOOD update, the update may include the id, description, picture name and/or picture url as discussed above. The id, description, picture name, and picture url are included to support custom moods. The Id is often a number and the description, picture name, and picture url are text.
Some social networking providers allow users to act on a status. Facebook™, for example, allows users to comment on a status. Twitter™ allows users to indicate favorite status as well as to reply to status. Status reactions provide this capability and are very similar to friend actions and are very similar to friend feeds and friend feed reactions.
One benefit of using the aggregation server 1804, for example, is that need to permanently store any of the changes or updates on the server is advantageously eliminated by doing periodic voluntary resetting of change lists. As a result client devices will have to perform more full syncs with the aggregation server 1804.
Because server sync is suspended when the window size reaches MW, a few missed pushes may cause service outage for a device in absence of client polling. Certain measures can be adopted to make this less likely to happen. For example, instead of sending pushes only if there are pending changes since last W2, pushes can be sent as long as there are pending changes since W1 (or since each device's ACA in the multiple devices case). This approach does result in redundant pushes being sent and hence redundant polls by the client, but the latter penalty can be minimized if W1 (or each device's ACA in the multiple devices case) is included in the push message.
The core web services application server 1828 includes core-services applications whose primary function is to receive data from the back-end 1816 (the social-networking processor (SNP)) and package it for delivery to a client device. These apps include friend feed, social-networking friends, messaging/mail, and news. They may have several properties in common: data flow may be one-way from the server to the client, no client changes may be committed back to the core web services application server 1828 and data is not maintained persistently in the core web services application server 1828.
The front-end 1818 can provide a sync transfer queue, a transient mechanism for sending data down to the client device 1802 or 1803 through a sync channel. The applications in the core web services application server 1828 can register their sync app ID with the transfer queue, which in turn registers with a synch engine, controlled by the front end 1818, as a proxy for the application. The transfer queue allows for an enqueueing of one or more entries into the queue. Each entry can specify a number of fields that are opaque to the queue, including a blob of data; the name of the provider; whether the item constitutes an addition, a modification or a deletion, and a unique ID for the entry. The sync transfer queue doesn't care about the values assigned to any of these fields; it only sequences data in the order that it was queued. The application does not acquire any locks during an enqueue. The queue allows an application to continuously add data into the queue.
The front-end 1818 can also provide tracking of a client state through a sync anchor for each application. This sync anchor may not be exposed to the applications. The front end 1818 may further provide removal of data from the queue when it has verified that the client has received it. This verification can be determined easily when the client comes in for its next update request; the front end 1818 can assume that the client device has received and processed any entries with prior sync anchors.
The front-end 1818 can clean up application data after an expiry period. Each application can specify any number of quota-size and duration pairs (e.g., allow no more than 1000 entries after a day, allow no more than 100 entries after a week, and allow no entries older than a month). The core web services application server 1828 may have a custodian service that routinely checks the queue and sees if the queue for any client device is out of compliance. The custodian service can satisfy the quota by deleting records that it has already sent to the client. Otherwise, the custodian service will flush all of that application's data in the queue for the over quota device.
The front-end 1818 can invoke an application-supplied callback when the queue cannot fulfill a client's update request. This can occur if a device has been wiped (e.g., erased), or if a user has been offline long enough that the custodian service has flushed the queue. In this case, the application is informed that the queue needs to be reset, and the application is expected to requeue the data from scratch. The client is returned an error code that indicates that it's anchor is no longer valid, and it is expected that the client will reset back to anchor 0. The queue goes into a reset state until the application indicates that it has repopulated the queue. Until that time, the queue returns zero entries for any client update request.
The front-end 1818 may also allow the application to force a reset of the queue for a device. This may be necessary if the application detects that the back-end portion has undergone a catastrophic failure, and can no longer provide differential changes to the app.
The application in the core web services application server 1828 can provide the queue with a callback that can translate a list of queue entries into a valid change list for the client. Since the queue is data-agnostic, the application may interpret the queue data before it can be handed back to the sync engine for transmission to the device. The queue can be database-backed. A lock is acquired whenever a client makes an update request or the queue is reset, but this does not prevent applications from continuing to shovel data into the queue.
The Aggregation service web server 1804 exposes two sync-related web service calls.
The first call is a POST method called updates. This call retrieves change lists from the server that the client program can use to merge in the latest server changes. State information on the client is maintained via a sync anchor for each sync app, which is a long value that is initially set to zero. When a client requests server changes for a given sync app ID, the client provides its current anchor as a parameter. The server returns a formatted list of changes, along with the latest server anchor. After the client successively merges the server changes, it must update its anchor to the server's value. The client can specify a page-size parameter to limit the size of the changelist; in this case, an “is_more” flag is set to indicate that the client needs to fetch more updates. The update can be a batching call that allows the client to fetch server updates for multiple sync app ids simultaneously, which can help to reduce the number of roundtrips.
The second call is a POST method called commit, which sends the client's change list to the server 1804. The client 1802 again specifies its last anchor in the request. Note that the server 1804 will reject the commit request (through a specific error response) if the client 1802 is not updated to the last server version. In this case, the client 1802 should call update and merge the server's latest changes before retrying. Thus, the client should generally call update prior to committing its changes.
The client program detects and resolves any conflicts. Commits must be conflict-free, and thus conflicts may only result when the client fetches a server update and attempts to merge it into its local data store, which may contain competing client changes. In general, there are three kinds of conflicts that the client must handle:
Note that the sync web service calls are completely agnostic as to the format of the sync data that is exchanged between the client and server applications. The server and client change lists are opaque blobs that the endpoints exchange via the sync framework. In this sense, the sync web service calls are principally an anchored transport mechanism between the two endpoints.
The Aggregation service web server 1804 may also have an aggregation service sync protocol handler, a synchronous finite state machine, which is described in the
The side branches of the flowchart 1900 illustrate how several failure cases are handled. The server may reject the client anchor in an update request. This will happen if the anchor is negative, or if the client submits an anchor that is larger than the server anchor (with one exceptional case below). In this case, the client is told to flush its data and start from scratch. (Step 1917). The server might surmise that the client is in a corrupt state and ask the client to request (Step 1917). This is essentially the same case as above. The server might the request a recovery (Step 1918), which indicates that the client needs to send all of its data up to the server (a full sync) so that the server can recover from the client data. This might occur in the course of disaster recovery, or when a client is migrated to a new cloud (moves from one server 104 to another server 104 that does not have its data). The server can also detect a need for recovery if the server anchor is zero, while the client anchor is non-zero.
The flowchart also illustrates a conflict handling process (Step 1919). The conflict handling may be done, for example, on the client program. The server might tell the client program that it is out of date when the latter tries to commit device changes. For simplicity, the server only allows commits when the client is updated to the latest server data. As a consequence, there are never server-side conflicts.
One of the fundamental features of an aggregation service client phone (e.g., mobile device 1802 of
In order to provide such a service it has it is desirable for notifications to be sent to the user device 1802 or 1803 over a push channel. The push channel may be an always on TCP/IP connection using XMPP as the basis for the messaging protocol. One example of a system that can be used as the basis for the messaging, is the Jabber XCP server (www.jabber.com).
The Push Service Notification API 2002 is used by the back-end services (e.g., push server 1830 of
The sendPushData method constructs a web service call which will call the Push Service Request Handler (PSRH) 2004. The PSRH 2004 is a server which exposes a web-service call which may be represented as a RESTful resource as follows: /blur-services-1.0/ws/push/signaldata. In one embodiment, the Push Service Request Handler 2004 carries out the following operations on each POST:
The storing of sequence ids in the database is necessary since the API is bound to stateless servers go through each of the data items and get the smallest max delay value and add it to the current time if the stored schedule time is greater then the above value then send schedule request to the scheduler
When the push service request handler 2004 receives a data item that triggers a schedule update, it sends a request to the Push Service scheduler 2006 to schedule a message to be sent. The Push Service scheduler 2006 is a server that exposes a single resource via a RESTful url. The RESTful body, for example, may be [{“blurAcctId”:“ . . . ”, “providers”:[“facebook”, “myspace”, . . . ]}, . . . ]. Preferably there will be only one of these schedulers per cloud, but there may be more. The Push Service scheduler 2006 is preferably a dedicated server, however, in other embodiments the Push Service scheduler 2006 may be part of another server. The Push Service scheduler 2006 keeps all of its schedules in an internal memory (not shown). The Push Service scheduler 2006 can use HTTP 1.1 persistent connections along with a binary protocol to ensure optimum throughput. In one embodiment, when a new schedule request is made, the Push Service scheduler 2006 may deserialize the schedule (the schedule contains only an account_id, device_id and schedule time) and place the schedule on the scheduling queue.
In a background processing thread, the scheduling queue is waited on and at the appropriate moment a web service call is made to the push service xmpp message generator 2008 to generate the XMPP message.
The Push Service XMPP Message Generator 2008 creates XMPP messages in response to requests from the Push Service Scheduler 2006. In one embodiment, for each request, the Push Service XMPP Message Generator 2008 may get the account_id and device id from the request, find all data associated with the account id and device id in the data store and retrieve the data and delete it from the data store. The Push Service XMPP Message Generator 2008 may package the data into an XMPP message element and send the XMPP message is sent to the XMPP Server 2012.
The account setup process for a client device (e.g., mobile device 1802 of FIG. a8) can make a call to the XMPP server 2012 to create an XMPP account. Alternatively, in order to get rid of this extra call and to facilitate authentication, a component can be used for the XMPP server 2012 which will utilize the aggregation-services authentication architecture (e.g., the core services processor 1818 to both validate and retrieve information about a particular account.
During device setup, a user can create a new account (an aggregation services account) which can advantageously be associated with a specific device. The data associated with this action will be stored in the accounts database in whatever way the accounts service decides to store it. The XMPP server 2012 may have a component which acts as a packet filter attached to the XMPP server. When the component receives an authentication request it gets the appropriate auth tokens from the request The component then uses those tokens to make a web service call to the accounts application to authenticate the user. The component then sends a signal indicating user authentication success or failure to the XMPP server 2012.
A secondary component may also be attached to the XMPP server 2012 which can also acts as a packet filter. This secondary component will look for presence packets instead of authentication packets. Since all XMPP clients send out a presence packet in order to receive messages, any XMPP client successfully attached to the web server (e.g., web server 1804 in
The push channel is a best effort service that provides timely notifications to the device 1802. The push channel may not ensure that all data sent down the channel reaches the device 1802. In fact, the requirement is that the device be able to operate even when the push channel is not activated. There are a few use cases that support this requirement. First, there are times when the device will not be able to activate the push channel due to spotty coverage. In such instances it may be most optimal to manually synchronize the data without activating the push channel. Also, since the push channel is an always on connection, if a phone goes into roaming mode the service may want to turn off the push channel. Thus, the main responsibility of the push service is to provide timely notifications and provide a means of detecting that pushes were missed to the device.
The push service sends notifications as opaque, application specific, discrete data to the device 1802. Each piece of data is marked with a sequence id that starts from zero and which rolls over back to zero after a threshold is reached, for example, 2{circumflex over (0)}31. In one embodiment, the sequence id may be generated as follows. The Core-service server 1828 detects that a push is necessary and prepares for the data to be pushed to device 1802. The Core-service server 1818 then calls the Push API, which can be controlled by push server 1830, with the prepared data. The Push API then retrieves the account_id/device_id. The Push API uses the account_id/device_id to lookup the next sequence id from a persistent store. The Push API then marks the data with the sequence id and sends the data to the Push Request Handler. The Push API then returns a SUCCESS message back to the Core-service, for example, core service server 1828. The Core-service server 1828 receives the SUCCES message and considers the message to be sent.
If the Push API fails to retrieve a sequence id, the Push API throws an exception and the push message is never sent. When this occurs, the Push API could store a history of the event and when the sequencing mechanism returns to working order, it could then reset the sequence based upon the stored history.
If the Push API is unable to send the push to the Push Request Handler, the Push API may throw a different exception. When this occurs, because the sequence id has already been incremented in the persistent store, the next push will receive the next sequence id and if the next push happens to make it to the device 1802, the device 1802 will now be out of order. Alternatively, if the Push Request Handler crashes before it sends the request to the Scheduler and the push message is never sent, gaps in the sequence can occur. In these situations, the device 1802 may request a full synch.
The aggregate server 1804 may provide a unified feed to the client device 1802. When multiple feeds are requested by the user device 1802 to be sent from the intermediate web server 1804, the unified feed can be employed to provide all of the feed data. The unified feed contains one or more feeds of various feed types. The goal of the unified feed is to allow a client to get all its feeds with a single request instead of making a separate request to get friend feed data, News feed data, and other data. The feeds may be, for example, a friend feed which may include updates about a user's friend available from social networking sites such as Facebook™, MySpace™, Twitter™, LinkedIn™ The feeds may also be a news feed including, for example, news information available from RSS feeds which may be from a variety of sources, Yahoo™ News, Digg™, etc. Alternatively, the feed may be a weather feed, which may include weather information from sources such as Yahoo™ Weather, or an admin feed, which may include service status information.
As discussed above, feeds can be gathered from a variety of sources by the aggregation server 1804, such as from the respective plug-ins 1824 for Facebook™ or the News feed. The feeds can be posted per user, to the web services server 1828. Feed specific web services post the feeds in a common feed format, to a feed mill. When the feed mill receives feeds, it sends a low priority notification to the push manager as discussed above. Feeds accumulate in the feed mill and after some time or event, the push manager sends a push to the client. For example, the client 1802 can make a single request to get all its feeds.
In one embodiment, two protocols can be employed by the aggregate server 1804 to provide the unified feeds feature. The first protocol defines how the feed specific web services (such as the Friend Feed web service, the News Feed web service, etc.) will interact with the feed mill web service. When a feed specific web service has feed data to send to the feed mill web service, it makes an HTTP POST method request, using a relative request URI such as /ws/feedmill/0/feedGrain/accountlD Included in the request body will be the feed data already in the common feed format along with the feed type. The server will respond with an HTTP status code.
The second protocol defines how the feed mill will interact with the client 1802. When the client 1802 requests its feeds from the feed mill, it makes a simple web services call which contains the sequence numbers for each feed type processed by the client. The server response will contain all the feed data.
The “Unified Feed” is described with respect to “Feed Mill” terminology. Feed data sent to the feed mill web service will be sent using a common feed format. This is so that arbitrary data from various sources can be handled in a consistent manner. Below is the common and uncommon data that the server can expect to receive.
Common Data can includes a provider, an account id, body type, a category, an ID, a link, a summary, a post time a title, an action and/or geotags. The provider of the feed is found in Friend Feed, News Feed Weather Feed and Admin Feed. The account ID can be the aggregation service Account ID. A Friend Feed can also include an Account ID. The Friend Feeds may include a body and body type, News Feeds and weather feeds include atomContent. Admin feeds can also include a body and body type. One or more categories, as defined by the Aggregation Services. Friend Feed and Admin Feed include type and subtype. The feel can include one or more links. Friend Feed can include one or more URL, streamURL or links to media items. News Feed and Weather Feed can include atomLink. Admin Feeds can also include URL. The News Feed and Weather Feed can include atomSummary. Admin Feed can include a summary. The feeds may include the time each item is posted. The feeds can also include a title and a title type for the feed or the data in the feed. News Feed and Weather Feed can include atomTitle. The feeds may also include one or more actions that can be performed and geographical identification meta data.
The feeds may also include uncommon data types, such as an externalID, the provider-side user ID of the user is found in Friend Feed, a contactID, anaggregation services ID may be found in Friend Feed and an externalContactID, the content provider website ID of contact is found in Friend Feed.
An exemplary interaction between a client 1802 and a aggregate server 1804 is discussed below using the following terminology:
An Application on the client 1802 wishing to consume a given feed type will first register with the feed trough. This registration will simply involve indicating which feed type a given application is interested in consuming and the method, such as an Android™ intent, that should be used to notify the application when new data is present. A given application may be permitted to be registered for many feed types. When the device 1802 is an Android™ device, when a feed pellet is received on the client an Android intent will be sent to all registered applications containing the feed type of data included in this intent, the actual feed pellet sent from the server (the registered applications often have a way of parsing this data), the sequence number for this feed pellet, and an application secret shared between the feed trough and the application (set at registration time) so that the application can verify this intent came from the feed trough.
The feed trough will also provide a way for applications to unregister themselves for a given feed type. The feed trough can also provide a mechanism in which applications can inform it of the last sequence number for a given feed type they have finished processing. This information will be used in communications with the feed mill to indicate the last feed pellet the client has so the feed mill can determine which data it needs to send the client. If multiple applications are registered for a given feed type then the minimum sequence number will be kept and sent to the feed mill.
The feed trough fetches data from the feed mill in response to being told by the push manager that data is waiting for it on the server. Potentially a mechanism will also exist by which the user could initiate the fetching of feeds manually, if they deem it necessary. Only one fetch request from the feed trough will be permitted at once, and in the event another is requested while one is in process the second will fail (with an appropriate error code).
There can be one web services call the feed trough will make to fetch it's feeds. For example, can be of the following HTTP GET form (minus any auth/login data that needs to be sent), /ws/feedmill/0/feedMe/accountID?news=X&admin=Y&friend=Z where accountID is the user's account ID and X, Y, and Z are the last sequence numbers the client has processed for the feed types news, admin and friend respectively. Only feed types the device is setup for (via some external setup mechanism) will be specified in the above line. Dealing with the error cases from this call (userNotAllowed, userNotFound, systemBusy, etc.) may be indicated to the user. In the case that the system is busy the server can back off using some interval which has been configured (potentially via an admin/config feed).
Since the processing of the actual feed pellet is done in the application process, and could potentially be time consuming, a feed trough fetch request could end up receiving the same data since the sequence numbers might not have had a chance to be updated. This occurrence should be infrequent but could be caused by a user initiated feed trough fetch immediately after completion of a push manager feed trough fetch, if many pushes are sent from the server in rapid succession indicating that there is feed data available for the client, the device crashes immediately after partially/completely receiving the feed bag or in permitting multiple applications to be registered for the same feed type, a rogue application could never update it's sequence number (or update to a bogus value).
Since the sequence number applies to the entire feed pellet, which may contain numerous feed grains, the registered applications will have to tell the feed trough that they have processed the entire feed pellet even if in reality they only care about a subset of the feed grains. In essence the processing of a given feed pellet is all or nothing, no finer granularity is offered. Failure to update the feed trough with the sequence number will result in permitting multiple applications to be registered for the same feed type.
As mentioned above, the client request takes the form of a simple web services call which contains the sequence numbers for each feed type processed by the client.
The server response to the client request contains the actual feed bag which will be described below.
A feed bag header (FBH) may have several elements, for example, a version, a content type (e.g., DATA or ERROR) or a number of feed pellets contained (only for DATA case) or error codes in the case of an ERROR type. Each feed pellet can also contain a header (FPH) which contains a feed type, a length of feed pellet and a sequence number of feed pellet. In one embodiment, a feed bag may looks as follows: (FBH)(FPH)(Feed Pellet Data)(FPH)(Feed Pellet Data)(FPH)(Feed Pellet Data) . . . An the error case, for example, may simply contain an (FBH).
The feed mill will have to deal with requests coming in from two different locations, (1) the device asking for it's feeds, as discussed above, and (2) the app processors providing specific feed type feed grains for a given user. The app processors can provide feed grains to the feed mill via a HTTP POST call, which in one embodiment may look as follows: /ws/feedmill/0/feedGrain/accountID, where the actual feed grain (in the common format) and feed type will be included in the request body. The feed mill responds with an appropriate HTTP status code. After each successful feed grain addition a low priority notification is sent to the push manager indicating that feed data is available for the client. Each user will have a feed silo which will contain all the feed grains waiting to be delivered to the device. The table can advantageously include a column for a feed type, a sequence number (unsigned int (a monotonically increasing value), and a feed grant data (string array (perhaps of a max size)).
Each row in the table may correspond to a feed grain added via the HTTP POST call above. To limit the number of entries in a user's feed table there can be a configurable maximum number of rows per feed type. What happens when this limit is hit will fall into 2 categories:
After the feed grains are stored, the feed mill acts to provide information in response to a feed trough's request (poll) for it's feeds (information). The feed mill gets the request for a specific user's feeds, queries the user's feed silo for all feeds, taking into account the sequence numbers the request specifies, constructs a feed bag and sends it to the device and removes old feed grains (based on the request sequence numbers) from the user's feed silo.
Since each feed type feed grain is a row in the user's feed table there are multiple database calls needed to actually add the feed grain. In one embodiment, for example, the feed mill may get the number of rows currently used by this feed type. If the number of rows is greater than a maximum number of rows and if aging is allowed, remove the oldest entry. If aging not allowed, the feed mill may return an error. The feed mill may then add feed grain to table.
No locking may be required on the feed table. This is because each row is independent and the process of getting all the feeds at a given point in time shouldn't conflict with adding of new rows since the two operations don't affect the same set.
A batch mechanism exist may be used to add the same feed grain to multiple users (i.e., tell all Twitter™ users the site is down). To accommodate the batch mechanism another HTTP POST web service call can be employed which will, in one embodiment, may take the form of “/ws/feedmill/0/feedGrainForMany,” where the actual feed grain along with a list of users will be included in the request body. The exact format of the user list will depend on the interaction between the master users table and the feed mill.
The aggregation service client application, for example an application loaded on the client device 1802, can use two separate content providers, with different levels of security, to access contact data. The aggregation services's contact design may be constructed with some important goals in mind:
Many contacts will be obtained directly from email servers or social network websites 1806-1808. Some of these networks have terms of service which prohibit access by third-party applications to their contact data. For this reason, contacts from social networks (hereafter referred to as friends) will be kept in a separate database in the client 1802. This restriction, combined with the goal to present merged individuals, presents technical challenges, as the contact records being merged in the UI must be gathered from separate databases. Hereafter this document uses these terms:
On the device, contacts are stored in a database that is shared by all applications. The aggregation service extends standard contacts to add additional data and capabilities. Aggregation Services client contacts will be a superset of standard contacts; third-party applications will be able to access contacts using the standard API.
In addition to the extended contacts database, the aggregation services contact introduces a parallel database for social networking friends. This database has additional security to prevent access by third-party applications. In most ways, the schema and behavior of the database is the same as for contacts, although there are a few differences; groups are not supported in friends. If the user adds a friend to a group, aggregation services automatically creates a contact with a copy of the friend's data, and adds the contact to the group. Also, to allow for identities merged across contacts and friends, the friends database contains references to contact identities.
Users may configure a device 1802 to use information from a variety of providers 1806-1808. This information may include email, contacts, photos, and social networking events. Examples of common contact providers are Google™, Yahoo™, and Facebook™. Users may also import data from ActiveSync to get email contacts, for example, or from their previous phone via a subscriber identity module (SIM) card or a cabled connection. Providers may be added when initially configuring the device, or at any time thereafter, by accessing set-up. Additionally, carriers may provider may provide contacts from the carrier 1820 directly to the plug-in 1824 whereby contacts can be downloaded to the device via the server front end portion.
Aggregation services will support multiple sync adapters 2220-2128 in communication with a core services processor 2130. This includes Google's default sync adapter for gmail™ contacts, an Address Book adaptor, and adapters written for the aggregation services, including Exchange ActiveSync (EAS), social networking contacts, and contacts synced to the aggregation service. Each of these sync adapters must identify contacts they sync onto the device as their own, so that changes to a contact are only synced back to the original source. For adapters written for aggregation services, a new column in the contacts database is used to identify the sync source. Contacts without a value for this column are assumed to belong to Google™ or another third party.
One of the contact sources will be identified as the default address book, to which contacts created on the device are added. Alternatively, the default contact source could be the Aggregation service's contacts. The user may be able to choose which address book is the default, and which address book should be used for a particular contact
While contacts from different providers are stored as separate contact records, regardless of whether they actually refer to the same individual, the UI always attempts to present contacts to the user as individuals.
A new “identity” table may be created in the same database as the clients contacts. There is one row in the table for each individual. A new column can be added to the “people” table indicating which individual the contact record belongs to. The identity table may not be synced with the aggregation server 1804. It is created dynamically on the client device 1802 as contacts are added. The exception is that the user may manually merge or un-merge contact records. These manual changes to identities should be preserved, and so are synced with the aggregation server 1804.
When contacts are added on the client device 1802, they are matched with other contact records to determine if they refer to the same individual. If there is no match, a new row is added to the identity table. The identity column in the people table is updated to point to the identity row.
New content URLs within the contact authority may be available to access identities rather than people. Many aggregation service code will use these URLs to access contacts.
The identity table includes columns to store the most recent social networking status update from the person. This data can be displayed on an “identity badge” widget which appears throughout the product, including various contact screens, home screen loop cards, and message addressing.
All user interface views or edits of a contact will actually operate on a set of contact records that aggregation services believes are the same person. The set of contact records is taken from the identity table.
Any merging strategy contains the danger of generating two types of errors: over-merging (i.e. presenting separate individuals as one person) and under-merging (i.e. presenting one individual as separate people). It is envisioned that the aggregation services server will err on the side of over-merging, for these reasons:
The user can decide when aggregation services has over- or under-merged contacts. This is done from the “Sources” section of the contacts details activity.
Contacts are merged by Aggregation services when one of the following is true: the records have exactly the same name, the records share a phone number and one of the records identifies the number as either mobile or work, the records share an email address unless both of the records identify it as a home email and both records have been identified as the owner of the phone.
Records may not be merged if they were synced from the same source (e.g., two Facebook™ friends with the same name will NOT be merged). Note that when contacts are created on the client device 1802, copies of the contact are created for each writable source. Thus two contacts created on the phone with the same name will likely merge together, since the aggregation services version of the first will merge with the version of the second.
In the contacts application, the user can create groups or import them from a service provider. The user will use these groups to filter the set of contacts he views as well as to communicate with them (email/sms).
Because the group membership table contains references to the table of contacts, social networking friends cannot technically be members of groups. The aggregation services gets around this problem by creating a dummy contact record when the user adds a friend to a group. None of the contact's data (phones or addresses) are added to the dummy record.
A person can belong to more than one group. When creating a new group and assigning a member, the user has the option of which email or phone to use for the member when contacting this group. For example, the group may be contacted using a respective primary phone or email. This may be the default method of contacting the group. Alternatively, the group may be contacted using a different email and/or phone or all emails and/or phone numbers.
When modifying the group, a user can change the members of the group. In addition, though, a user may also change the contact methods that will be used for each member when contacting that group. Groups may be filtered, for example, in a “View contacts” screen, where a user can, for example, filter the set of contacts by group via a pull-down.
A user can email or sms a group. In one embodiment, the user does this via a menu option from the “View contacts” screen. In the email application, a user may choose a group as a recipient of an email. When picking the group, the user can temporarily override the email addresses that will be used for each member. If the user does not override, the default email specified by the user for each member will be used. More likely though, the primary email will be used since most users will not specify an explicit email address for each member of the group.
When sending the email to a group (or perhaps when choosing a group to email to), the UI will indicate whether each member of the group possesses an email and will be able to receive it.
A table may be added to the contacts database to keep track of the most recent communication the owner has had with each contact, using each mode of communication. In the contacts application, the recent tab of the list view mentions the most recent communication using any mode of communication. A history tab of the contacts details view lists the most recent activity on all of the contacts communication methods.
When a contact is created on the device 1802 (or the Aggregation services service 1804) it is by default added to all writable provider groups. The user may choose not to include one of these groups, thus not syncing the new contact to that service. Read-only provider groups are not offered. This section is called “Providers”. The term “read-only contact” means a contact record that belongs to a read-only provider group. Such record may never be modified, including their group membership. Other contacts are termed “writable”.
Other contact groups are also offered to the user, but these are not selected by default. This section can be called “Groups”. New fields are added to all writable contact records. Fields belonging only to read-only contacts are not editable. Fields that are found in at least one writable contact are editable. Whenever a field is edited, that field data is written to all writable contact records, even if the record did not previously contain the field. Essentially, this slowly propagates contact information among the user's providers. If a field that belonged to both read-only and writable contacts is modified, then both old and new values of the field will now be displayed. The old value will no longer be editable.
Fields that belonged to read-only contacts may not be deleted. Fields that belonged to writable contacts disappear when deleted. Fields that belonged to both read-only and writable contacts may be deleted, but would only be removed from the writable contacts. The field would thus still appear in the details, but would not be read-only.
When the user deletes a contact, a confirmation dialog asks whether the contact should also be deleted from all of the writable providers to which the contact belongs. If the answer is yes, all writable contact records are deleted. If the contact also belongs to read-only providers, then the dialog warns that the contact may not be deleted from that provider.
Contacts added to a provider website generate new contact records, just as during the import process. Changes made on the provider are reflected in the corresponding contact record in Aggregation services. When a contact is deleted on a provider, it has the effect of removing the corresponding contact record from that provider group. It does NOT delete the contact from Aggregation services's contacts. Contacts imported from one provider may be added to other providers in Aggregation services's UI. This has the effect of copying the contact from one provider to another—a feature not easily accomplished through the providers themselves. Removing a contact from a provider group deletes that contact from the provider's address book. If a user decides not to sync with a provider any more, they are asked whether to remove all contact records imported from that provider.
On the device 1802, the push service will receive push data notifications. It will look at the sequence number for every data item and check to see if any have come out of sequence. If it detects such a scenario, it will broadcast an intent indicating the occurrence of such an event. The Intent receivers may be required to decide what they want to do. The push service will not discard any data even in the event of an out of sequence situation. It will continue to fire intents for all data items it detects.
An exemplary portion of the user interface is illustrated in
The user has the ability to update their social networking status from the home screen (
The home screen status 2310 will display the most recent status updated on a social networking website that has been linked to the user's aggregation service account (e.g., Facebook in the illustrated screen). If the user interface does not have a status displayed on the home screen 2300, the space may be filled by text indicating that tapping the area will allow the user to enter a status. The status 2310 will be pushed to one or more user selected social networks that the user belongs to. For example, upon selecting to enter a status 2310, the user interface will present the user with a pull-down menu from which the content provider website where the action will be sent can be selected. The user can select one or more of the content provider websites.
The most recent status of friends 2320 may also be displayed in the home screen, under the exemplary headline “happenings.”
As discussed above, a user of the device 1802 may connect directly to one of the web content providers 1806-1808.
Status updates should arrive on the device in a timely manner. For example, they should arrive on the device screen in less than 15 minutes of being set by the device 90+% of the time. In other words, the user sets their status on the device 1802 user interface, it is updated on content provider website 1806, and returns to the device 1802 after being updated by the aggregation service in less than 15 minutes. It is envisioned that the status will preferably be updated in less than 5 minutes while the user is active on the device 1802.
Cleared statuses set from a website 1806-1808 (e.g., Facebook™ MySpace™) may not be reflected on the home screen. The home screen 2300 will just reflect the most recently set status from each service. MySpace™ has an existing functionality that if a user sets both mood and status to null, the status is automatically set to “is in your extended network.” Since this is the way MySpace™ has their APIs working and MySpace users are used to it, this functionality will continue to occur when a null status and mood is set from the service online or from the device.
For MySpace™ status updates (most recent update is from MySpace™ website or most recent update from the device was a MySpace™ only update), a “mood” is supported and displayed at the same time as the status. The home page user interface (UI) 2300 also preferably includes the date and time of the last status update 2330.
If a user has not linked a social networking account to their aggregation service account, the social network status area will not appear. It is envisioned that the home screen chips will realign, centered vertically to occupy part of the space left by the absence of the SN status.
As discussed above, a user may select or click on the status 2310 to update the status brings the user to the status update user interface. The UI includes the list of all of their current statuses on all of the social networks that the user has linked to their Web server 1804 aggregation service account. There may also be a visual indication (logo) 2340 of each of the services next to the appropriate boxes to indicate which service that status is for. The UI space for entering the new status may be pre-populated with “is . . . ” which can be erased by backspacing.
When one service, such as MySpace™ is the only service selected, the status and mood are both pre-populated with the user's current status and mood on MySpace™. This allows for a user to update just status or mood without accidentally clearing either. Each service can be updated separately by changing the status text of each individual social networking site (one at a time). When updating MySpace™ only, the UI also supports the selection of mood. Selecting a mood allows a user to enter text to jump to a certain point in the mood list (not filter) and allows the user to scroll through the list.
The user may have the option to select “All” to update all services at once. Updating the status and selecting “All” services replaces all the below services with the new status update. The status is pushed to all the social networks that the user has linked to their Web server 104 aggregation service account. When updating “All” services includes MySpace, mood is not an option to update for MySpace and the mood is set to no mood.
If a user only has one service linked to their Web server 1804 aggregation service account that supports status, there is no drop down menu and no option for “All.” The only service link is simply listed as the destination service. In one embodiment, the status on the home screen is the most recently update status, whether it came from the mobile device or a social networking service. The status on the home screen should have some icon 2340 next to it that identifies where that status update originated from (ex. mobile device, Facebook, Twitter, etc.) In one embodiment, the User can click on the Content Provider Icon 2340 in the screen 2300 and jump to direct access to the Content provider.
Sending a blank status can clear the status from the particular service selected, or all services if selected (note, Twitter has no notion of clear status, so the previous status will remain intact). The application's last screen/condition will be stored during other activities on the phone and the user will return to this last screen upon completing any activity that interrupted the user's activity in the SN Status Update utility (for example following received a phone call).
One reaction supported in the Happenings application is to respond to Twitter items with an @Reply. This will result in a new “me” status being sent to the core service, and will be reflected on the home screen, and in the Twitter line of the list of statuses (if a user has a Twitter account supported).
When a status is sent to Web server 1804 aggregation service services, the status may be sent in a “fire and forget” method, meaning that no confirmation will be sent to the user that the action went through to the social networking service (although as per UI, a toast confirmation that the reaction has been sent off from the device is shown). Status updates will only be able to be posted if their characters do not exceed the maximum characters allowed. The length of status updates allowed is dependent on the service to which the status is being uploaded. For example, Facebook™ currently allows 160 characters , MySpace™ currently allows 160 characters and Twitter™ currently allows 140 characters. if “All Services” is selected, the least common denominator shall be the limiter (ex. if Twitter™ is included, max is 140).
A counter may be displayed counting down when 30 characters or less are allowed. The counter can display negative numbers when the maximum number of characters is exceeded. If a user switches mode of post (example, changes from Twitter to Facebook™), the counter can be adjusted accordingly (or disappear if a user now has over 30 characters left to type).
If a user selects “Post” while the count is negative, a dialog appears indicating the post can not proceed and explain which services have a maximum that is exceeded.
The Web server 1804 aggregation service user interface provides a limited image of a Facebook™ page. It may show. For example, in happenings 2320, a friends picture and name in a list. The Facebook™ picture may be downloaded from Facebook™ directly, and retained on the device as a contact. It will be saved on the server when the device syncs to the server. Clicking on the area of the screen shows the name, their main picture, their last status and any comments on that status. You can click on the persons' name to open the direct access connection to the Facebook™ mobile for that person's wall. Alternatively, you can click on Facebook™ icon to jump to Facebook™ direct access (not through the aggregation service).
For News feeds, such as the RSS feeds discussed above, a brief comment and a picture are may be pushed to the device. The picture will be displayed with a brief summary. The user may click on the article to get additional information from the content provider. This process can be automated by recognizing the file input fields—they are of the special HTML type file—and prompting the user to select pictures to include. However, this can be further enhanced by configuring the steps needed to make an update. For each social website, server can include a script which specifies actions which the user can perform on that site, and how to send those actions to the site over a standard HTTP connection; the browser would then present these actions to the user in a menu, prompt for the required inputs, and send the whole lot off to the site.
The Core Web Services will support social network messaging through the Sync framework and actions upon messages through an SNMAIL application (processor proxy).
As also illustrated in
The back-end 3116 support the communication to and from the social networks themselves. The front-end 3118 and device 3102 maintain sync engine by which certain information, such as contacts, are synchronized between the device and the server 104.
The server 3104 can send the provider settings to the device 3102 via the accounts setup service. This is only one-way (from the service to the device) and does not require sync to make this work. A category for Messages is created on the device which can contain the allowed message attributes supported by each provider and the allowed actions that can be performed on the data.
The Web server 3104 aggregation service phone should maintain a database of messages that contain the provider ID and all the fields to support a message plus the sync meta data. For receiving data from the service, the device must handle a change list of message attributes and action status from the service. This includes all the attributes of a message. For example, the change list may contain:
The items in brackets are those that are optional. Not all providers support subject, for example. The data type with a ‘*’ is an optional list where 1 or none may be in the list (Facebook™ supports multiple addressees whereas others support only one, for example). The mesgGUID is the global ID shared between the device and the service. The ID between the provider and the service may be a different ID. It is assumed that all providers support referencing messages by a GUID.
In this approach, the following are the assumptions: 1. Actions are passed to service via WS call. The action format is defined below; 2. The server returns an immediate OK saying that the action is accepted for processing or returns an error if it could not queue this action; 3. The server asynchronously processes this request (in the processor) and when finished, issues a Push to the device with the Push Manager; and 4. The device, using one-way sync, the client submits a GET request with its last server anchor and this results in a response body containing messages and action status as defined by the sync protocol (e.g., HTTP GET to /ws/sync/1/update/{account_id}/{device_id}/{app_id}/{last_serve_anchor}?devkey=and roid&format=json). The sync app_id field will be 3 for SNMail.
The device recognizes that PUSH is not reliable and must timeout and retry the action again if it expected a PUSH response. If the PUSH channel is knowingly disconnected (eg in the Roaming case), the device must perform an action and message sync with a polling interval. In one embodiment, there are 2 timeout conditions: 1. The action sending WS call may timeout; and 2. The push may never be received. In either case, the client application must handle these timeouts.
The status table may contain useful information to the client. In one embodiment a status code of 1 indicates that the process finished successfully, a status code of 0 indicates that data is received and an action is in progress and a status code of −1 may indicate that an error occurred. An Action ID may shared by the service and the device. This may be needed to allow the service to report back on the status of the action (synced back to the device with 1-way sync to the Status table). Sync the data received back via sync is through a classic synchronous one-way sync, there are no changes required to the sync framework.
Exemplary message attributes are:
Actions can be prefaced by an action header. The action header may contain the following:
The actions may be one or more of the mfollowing:
Actions and parameters can be sent as a JSONArray and lilts can be sent as JSON arrays. The action result can be stored by the server in a Status table which is subsequently synced by the client. For code-level enforcement and efficiency purposes, action types will be transmitted as an ENUM rather than a name whose value will be shared by the client and server. The syncMessages action has an anchor as a parameter because the sync action is done in the background. The anchor will tell the processor if the device may have been wiped of its messages by sending anchor 0.
The snmail app can have a notification API to implement the push to devices when a sync is required. This may be, for example, the URI: /ws/snmail/0/n
It is specifically intended that the present invention not be limited to the embodiments and illustrations contained herein, but include modified forms of those embodiments including portions of the embodiments and combinations of elements of different embodiments as come within the scope of the following claims.
This application claims priority from U.S. Provisional Patent Application A METHOD GENERATING A MESSAGE FOR ONE OR MORE CONTENT PROVIDER WEBSITES; Application No. 61/241,370, filed Sep. 10, 2009, which is incorporated herein by reference.
| Number | Date | Country | |
|---|---|---|---|
| 61241370 | Sep 2009 | US |
