CN102693238B - Widget application process, system and multimedia terminal - Google Patents
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Abstract
The invention discloses a kind of Widget application process, system and multimedia terminal.Wherein, the method comprises: create XML script file and JavaScript script file; Read and analyzing XML script file and JavaScript script file by Widget engine, to call corresponding one or more class functions; Run class function and realize corresponding function.By the present invention, the work efficiency of developer can be improved.
Description
Technical field
The present invention relates to appliance field, in particular to a kind of Widget application process, system and multimedia terminal.
Background technology
Widget is a kind of small-sized program, can run on computer or TV, can network as user provides various advisory role, also can provide other abundant application.Traditional Software for Design is all that interface and program mix, and program staff wants design interface simultaneously, increases burden; And program directly will call the api function of platform specific when will complete function, finally also will through compiling, the binary code being compiled into concrete platform can run.The Widget designed by this way not easy care, not easily transplants, poor universality.
For the problem of the not easy care existed in the Widget design proposal of above-mentioned prior art, not easily transplanting and poor universality, at present effective solution is not yet proposed.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of Widget application process, system and multimedia terminal, to solve the problem of the not easy care, not easily transplanting and the poor universality that exist in the Widget design proposal of prior art.
To achieve these goals, according to an aspect of the present invention, a kind of Widget application process is provided.
Widget application process according to the present invention comprises: create XML script file and JavaScript script file; Read and analyzing XML script file and JavaScript script file by Widget engine, to call corresponding one or more class functions; Run class function and realize corresponding function.
Further, read by Widget engine and analyzing XML script file and JavaScript script file, comprise with the step calling corresponding one or more class functions: read and analyzing XML script file by XML parsing module, to obtain the control property in XML script file; Call in class function for creating the graph function of graphical interfaces according to control property.
Further, read by Widget engine and analyzing XML script file and JavaScript script file, comprise with the step calling corresponding one or more class functions: read by JavaScript parsing module and resolve JavaScript script file, to obtain the object properties in JavaScript script file; Call one or more class function according to object properties, wherein, class function comprises: input method function, DOM function, XML linking request function and multimedia player function.
Further, the api function of operating system and the control function of hardware are packaged into class function.
Further, before operation class function realizes corresponding function, method also comprises: external control devices sends steering order to trigger the class function in Widget engine, in the process that class function is run, if external control devices sends interrupt instruction, then the function that class function out of service is corresponding.
To achieve these goals, according to another aspect of the present invention, a kind of Widget application system is provided.
Widget application system according to the present invention comprises: Widget script file unit, for creating and preserving XML script file and JavaScript script file; Widget engine, reads and analyzing XML script file and JavaScript script file, to call corresponding one or more class functions; Processing unit, for running class function to realize corresponding function.
Further, Widget engine comprises: class function module, and for preserving one or more class function, class function comprises: graph function, input method function, DOM function, XML linking request function and multimedia player function; Adaptation module, for the api function of operating system and the control function of hardware are packaged into class function, and provides the adaptive several operation systems of adaptable interface and hardware; Parsing module, for being read by XML parsing module and analyzing XML script file, to obtain the control property in XML script file, and is called in class function for creating the graph function of graphical interfaces according to control property; Read by JavaScript parsing module and resolve JavaScript script file, to call the function of each class function.
Further, system also comprises: external control devices, for sending steering order to trigger the class function run in Widget engine.
To achieve these goals, in accordance with a further aspect of the present invention, provide a kind of multimedia terminal, this multimedia terminal comprises any one Widget application system above-mentioned.
Further, Widget engine, for encapsulating one or more class function, calling corresponding class function by reading also analyzing XML script file and JavaScript script file, and providing the adaptive several operation systems of adaptable interface and hardware.
Further, multimedia terminal can be televisor, mobile phone or computing machine.
By the present invention, adopt and create XML script file and JavaScript script file; Read and analyzing XML script file and JavaScript script file by Widget engine, to call corresponding one or more class functions; Run class function and realize corresponding function, solve the problem of not easy care, not easily transplanting and the poor universality existed in the Widget design proposal of prior art, reach the effect of the work efficiency improving developer.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the illustrative view of functional configuration of the Widget application system according to the embodiment of the present invention;
Fig. 2 is the structural representation according to the preferred Widget application system of the embodiment of the present invention;
Fig. 3 is the schematic diagram drawing user interface by drawing function according to the embodiment of the present invention;
Fig. 4 is the process flow diagram of the Widget application process according to the embodiment of the present invention; And
Fig. 5 is the workflow diagram according to the preferred Widget application process of the embodiment of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The invention provides a kind of Widget application process, system and multimedia terminal.
Fig. 1 is the illustrative view of functional configuration of the Widget application system according to the embodiment of the present invention.As shown in Figure 1, this system comprises: Widget script file unit 10, for creating and preserving XML script file and JavaScript script file; Widget engine 30, reads and analyzing XML script file and JavaScript script file, to call corresponding one or more class functions; Processing unit 50, for running class function to realize the function of various types of correspondence.
The above embodiment of the present invention provides a kind of design proposal of Widget engine (WigetEngine), the program adopts XML+JavaScript framework, wherein, the description XML file at Widget interface describes, the realization of program then uses JavaScript language, so just interface and programming are separated, interface art designing personnel and programming personnel can separately independently be worked completely.Widget file layout in addition based on XML+JavaScript framework is plain text, its operation runs by WidgetEngine, Widget only need use these general classes to programme, Widget need not be compiled into the binary file of concrete hardware platform again, only need to call corresponding power function just passable, thus improve the work efficiency of developer.
Fig. 2 is the structural representation according to the preferred Widget application system of the embodiment of the present invention.As shown in Figure 2, Widget engine 30 in the above embodiment of the present invention can comprise: class function module, for preserving one or more class function, class function comprises: graph function GUI, input method function, DOM function, XML linking request function (XMLHttpRequest function) and multimedia player function; Adaptation module, for the api function of operating system and the control function of hardware are packaged into class function, and provides the adaptive several operation systems of adaptable interface and hardware; Parsing module, for being read by XML parsing module and analyzing XML script file, to obtain all control properties in XML script file, and calls the graph function for creating graphical interfaces according to control property; Read by JavaScript parsing module and resolve JavaScript script file, to call the function of each class function.
In above-described embodiment, Widget engine 30 provides unified general JavaScript class, these classes comprise multimedia player, DOM, DOMNode, XmlHttpRequest, Array, Date etc., provide independent unified GUI class in addition and include view, div, button, listbox, edit, checkbox, combobox etc., and the class used in JavaScript provides based on Widget engine 30 (WidgetEngine), because the api function of underlying operating system and hardware controls function abstract package are become above-mentioned class by parsing module by the present invention, therefore the API of platform specific is no longer directly called, when needs are transplanted, as long as WidgetEngine is transplanted to other platform, so Widget is also just transplanted to other platform thereupon, thus achieve " once writing of Widget, run " everywhere, Widget is kept apart with concrete hardware platform and operating system completely.
Concrete, being described in detail as follows of each functional module that the Widget engine 30 in above-mentioned example comprises:
Parsing module can comprise XML parsing module and JavaScript parsing module.
Wherein, the function of XML parsing module is as follows: the interface description due to Widget describes by XML language, so need an XML parsing module to parse control information all in the XML file of interface description, parse the size of each control (such as button, label, list), position, title, each attribute, specifically draws out concrete interface with these attributes in the future.
The action of JavaScript parsing module: Widget, the function that will complete all are used JavaScript file to write, and JavaScript file is only a file, therefore need a JavaScript resolver to complete analytical capabilities, really realize the function that JavaScript file will realize.JavaScript parsing module also can become a class for JavaScript file the control function abstract package of the api function of underlying operating system and hardware in addition, which type of function such Widget will realize just directly need not call the function of concrete operating system and hardware API realizes, and achieves the isolation of Widget and specific operating system and hardware platform.
The function that each class function related in above-mentioned module is corresponding different, runs the functional requirement that class function can realize user.Such as, the function of GUI system is realized by calling graph shape function, this system is drawn for completing concrete interface, and the interface will calling GUI system after the interface file of Widget is resolved to various control by XML parsing module is drawn function and specifically drawn out interface and present to user.Concrete can be described with following example:
An xml file about display graphics function:
After the above-mentioned XML file of preservation, can be resolved the content in above-mentioned XML file by XML parsing module, the size reading view is high by 300, wide by 400, so first will create the window of a 300X400; Then read again in view and have individual div control, the x of this div, y is (0,0), size is (because width=" 100% " height=" 100% ") identical with the size of view, background is white (background=" #FFFFFF "), so will draw a white portion identical with view size in the window created; This is my first example.Widget is very simple. "; In like manner finally can create again two button, the title of a button is " OK ", and a title is " Cancel ".The final like this interface drawn will be interface as shown in Figure 3.
Class function module can comprise: XML linking request function module, DOM module, multimedia player module, input method function.
Wherein, the function of XML linking request function (XMLHttpRequest) module is as follows: this module be used for realize when Widget to network obtain data namely realized by XMLHttpRequest class, namely XMLHttpRequest module encapsulates an XMLHttpRequest class, such can complete network savvy, can obtain different data from network according to the instruction of user, the networking so just achieving Widget obtains data function simultaneously.
DOM module: due to the versatility that XML is powerful, the data of present many websites are all represent in xml format, and it is much the data of XML format that the data obtained by XmlHttpRequest class are also had, and want to analyze the DOM that these data need to use standard.Namely DOM module encapsulates a DOM class and makes for analyzing XML file for JavaScript and show various consultation information.
Multimedia player module: this module mainly realizes general multi-media player function.Such as, player module can be called to play flash.
Input method function, calls this function and can provide input Chinese character, English character, the function of the input such as punctuation mark data.
Adaptation module can comprise: operating system adaptation module and hardware adaptation module.
Wherein, operating system adaptation module can realize that the API of concrete operating system is packaged into general module and call for upper-layer user, and upper-layer user no longer directly calls the API of specific operating system, achieves the isolation of Widget and operating system and hardware system.The API of these operating systems comprises establishment, the deletion of task; The establishment of semaphore, deletion, use; The establishment, deletion, use etc. of mutex.
If other module needs creation task, use semaphore, so all can realize by the API in call operation system adaptation module, the API of operating system adaptation module may be used by any one module in module 1 to 7.
Hardware adaptation module realizes concrete hardware operation function to be packaged into general function for upper-layer user, and upper-layer user's hardware that no longer direct control is real, realizes the isolation of Widget and particular hardware platform.
As shown in Figure 2, can operate concrete bottom hardware player when such as multi-media module will play music, so hardware adaptation module will provide the API of a set of general operation bottom music player for multimedia playing module; And GUI module also can operate bottom hardware to draw when drawing, hardware adaptation module also can provide a set of general bottom hardware drawing function to use to GUI module.These modules only need call the function that hardware is applicable in module like this, and the hardware function that directly need not call real bottom realizes corresponding function.
Preferably, Widget application system of the present invention can also comprise: external control devices, external control devices sends steering order to trigger the class function in Widget engine, in the process that class function is run, if external control devices sends interrupt instruction, then the function that class function out of service is corresponding.
Fig. 4 is the process flow diagram of the Widget application process according to the embodiment of the present invention.As shown in Figure 3, the method comprises the steps:
Step S102, creates XML script file and JavaScript script file by the Widget script file unit 10 in Fig. 1.
Step S104, is read by the Widget engine in Fig. 1 and the XML script file of resolving in Widget script file unit 10 and JavaScript script file, to call corresponding one or more class functions.
Step S106, runs by the processing module in Fig. 1 the function that the class function obtained by Widget engine realizes various types of correspondence.
The above embodiment of the present invention provides the Widget design proposal that one has Widget engine (WigetEngine), the program adopts XML+JavaScript framework, wherein, Widget interface is described by XML file, the realization of program then uses JavaScript language, so just interface and programming are separated, interface art designing personnel and programming personnel separately independently can be worked completely, improve the work efficiency of staff.
Widget file layout in addition based on XML+JavaScript framework is plain text, its operation runs by WidgetEngine, Widget only need use these general classes to programme, Widget need not be compiled into the binary file of concrete hardware platform again, only need to call corresponding power function just passable, thus improve the work efficiency of developer.
In above-described embodiment, read by Widget engine and analyzing XML script file and JavaScript script file, following a kind of embodiment can be comprised: read and analyzing XML script file by XML parsing module, to obtain all control properties in XML script file with the step 104 calling corresponding one or more class functions; The graph function for creating graphical interfaces is called according to control property.This embodiment realizes the realization of graphical interfaces, and being needs input demand in XML script file, just can obtain the graphical interfaces after parsing by Widget engine.
In addition, read by Widget engine and analyzing XML script file and JavaScript script file, another embodiment following can also be comprised: read by JavaScript parsing module and resolve JavaScript script file, to obtain the object properties in JavaScript script file with the step calling corresponding one or more class functions; Call one or more class function according to object properties, wherein, class function comprises: input method function, DOM function, XML linking request function and multimedia player function.This step realizes resolving JavaScript script file by JavaScript parsing module, can call packaged power function, realize the function that each function is corresponding.
The api function of operating system can be become class function with the control function abstract package of hardware in each embodiment above-mentioned.
Preferably, before operation class function realizes the function of various types of correspondence, method also comprises: external control devices sends steering order to trigger the class function in Widget engine, in the process that class function is run, if external control devices sends interrupt instruction, then the function that class function out of service is corresponding.This external control devices can be telepilot or other opertaing devices.
Fig. 5 is the workflow diagram according to the preferred Widget application process of the embodiment of the present invention.As shown in Figure 5, the method comprises the steps:
Step S201, reads and analyzing XML file, calls GUI and draw main interface.In this step, Widget engine reads in XML file, and parses each attribute of each control with XML parsing module, calls class function corresponding to GUI module draw out main interface according to each attribute.
Step S202, reads and resolves JavaScript file, prepares to run Widget.In this step, Widget engine reads in JavaScript file, and resolve JavaScript file with JavaScript parsing module, start to perform the order in JavaScript file, call the action that the various module of bottom will be done to complete Widget, thus realize corresponding function.
Concrete, the resolving in this step can describe with the course of work of the Widget engine in televisor:
First, use computing machine, by compiler, third party's engine is compiled into library file.Third party's engine joins in TVWidget engine, need first the source code of third party's engine to be compiled, be compiled into corresponding library file so that decoding chip identification, because decoding chip is different, compiler is not identical yet, need to use the compiler of application third party engine chip to compile, and the library file after compiling is embedded in decoding chip.
Secondly, JavaScript script running environment can be set up by Widget engine control third party engine.Only have the JavaScript script running environment of foundation in this step, JavaScript script file just can run, and could perform follow-up resolving like this.In the process setting up JavaScript script running environment, following step can be comprised:
S31: create a script runtime environment by third party's engine.
S32: create script again by third party's engine in the runtime environment created and run context.
S33: the script created by third party's engine configuration runs context.
S34: create class by third party's engine in the script operation context created.
S35: finally class built-in in third party's engine given in the new object created, so that JavaScript script uses.
In the present embodiment, if third party's engine adopts SpiderMonkey engine, then the above-mentioned JS_NewRuntime function of SpiderMonkey engine that uses in step S31 is to create script runtime environment.Preferably, the JS_NewContext function creation script using SpiderMonkey engine is needed to run context.
In step S33, use the functions such as JS_SetOptions, JS_SetVersion, JS_SetErrorReporter of SpiderMonkey engine to configure relevant parameter options.
JS_NewObject first with SpiderMonkey engine in step S34 creates an object.
The object of this new establishment is made to have the function of the built-in various standard class of SpiderMonkey engine with JS_InitStandardClasses function in step s 35.When with JS_NewObject function creation object, the flags of this object must be set to JSCLASS_GLOBAL_FLAGS.
By these settings above, in Widget engine, create JavaScript script environment, create the object of the function with the built-in standard class of third party's engine, the class of the standard that JavaScript script can use third party's engine built-in.
Then, Widget engine parses goes out the JavaScript script file in Widget.Widget engine can parse JavaScript script file from the various file of Widget, resolves for third party's analytics engine.
Finally, Widget engine runs JavaScript script file by third party's engine parses.Adopt parsing operation JavaScript script file in this step by the function demonstration in widget program to user, perform as play music, checking the operations such as weather.Run JavaScript script file process and mainly comprise following two kinds of modes:
First kind of way:
Decoding chip is used as JavaScript script as a character buffer and is run.Namely script file all the elements are read in a buffer zone, then call JS_EvaluateScript function, and the address of buffering and length are gone over respectively as its 3rd, the 4th Parameter transfer, the operation of JavaScript script can be completed.In addition also have JS_EvaluateUCScript function, this function also completes identical function, can be used to compiling Unicode character string.Adopt the JavaScript script file only running one parsing in this way and go out.
The second way:
Decoding chip first runs after the compiling of JavaScript script file.I.e. first call function JS_CompileFile, passes to this function the filename of the JavaScript script that will compile, as its 3rd parameter.After the success of this function call, the variable of a JSScript pointer type can be returned, and then this is returned results and passes to function JS_ExecuteScript, as its 3rd parameter.So also complete the operation of JavaScript script.Owing to returning the variable of JSScript pointer type, by calling this variable, repeatedly run the JavaScript script parsed.
Step S203, major cycle starts.As step S201, after the work of step S202 completes, major cycle can be entered, the work described in the work in major cycle and following step S204.
Step S204, sends different messages control Widget by the button on external control devices and runs.Such as, this external control devices is telepilot, the key value of the remote control that televisor/computing machine/mobile phone can ceaselessly receive, and key value is sent to Widget in operation, to trigger different events, complete different functions, the power function that response is called in the control information namely sent by button realizes corresponding function.What function is concrete key value can trigger is decided by concrete Widget, and a such as Widget receives upwarding key and one width picture can be moved up, and another Widget can move on to last button focus from a button after receiving upwarding key.
Step S205, judge whether the control signal receiving ESC Escape, exit button if received, enter step S206 to terminate the execution of Widget, complete Widget and destroy action, thus terminate the operation of WidgetEngine, reclaim all resources, such as memory source, but do not exit the operation of televisor, otherwise, return and continue to detect the control signal that stone Buddhist receives ESC Escape.The user that this step is can select whether allow WidgetEngine according to demand, improves Consumer's Experience.
Step S206, major cycle terminates, and system finishing is to the execution of Widget.
Step S207, tailing in work, exits.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the process flow diagram of accompanying drawing, and, although show logical order in flow charts, but in some cases, can be different from the step shown or described by order execution herein.
Present invention also offers a kind of multimedia terminal, this multimedia terminal comprises the embodiment of any one Widget application system above-mentioned.Wherein, this Widget application system can comprise: Widget engine, for encapsulating one or more class function, calling corresponding class function by reading also analyzing XML script file and JavaScript script file, and the adaptive several operation systems of adaptable interface and hardware are provided.Based on this Widget engine, Widget application system is made to read different script file so that while the debugging of independent coding, each class function can be encapsulated by widget engine modules, strengthen the portability of whole application module in front end.
Preferably, multimedia terminal can be televisor, mobile phone or computing machine.
From above embodiment describes, can find out, present invention achieves following technique effect: because the api function of underlying operating system and hardware controls function abstract package are become above-mentioned class by parsing module by the present invention, therefore the API of platform specific is no longer directly called, when needs are transplanted, as long as WidgetEngine is transplanted to other platform, so Widget is also just transplanted to other platform thereupon, thus achieve " once writing of Widget, run " everywhere, Widget is kept apart with concrete hardware platform and operating system completely, solve the not easy care existed in the Widget design proposal of prior art, the not easily problem of transplanting and poor universality, reach the effect of the work efficiency improving developer.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into multiple integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a Widget application process, is characterized in that, comprising:
Create XML script file and JavaScript script file;
Read by Widget engine and resolve described XML script file and described JavaScript script file, to call corresponding one or more class functions;
Run described class function to realize corresponding function;
Wherein, read by Widget engine and resolving described XML script file and described JavaScript script file, comprising with the step calling corresponding one or more class functions:
Read by XML parsing module and resolve described XML script file, to obtain the control property in described XML script file; Call in described class function for creating the graph function of graphical interfaces according to described control property; And
Read by JavaScript parsing module and resolve described JavaScript script file, to obtain the object properties in described JavaScript script file; Call one or more class function according to described object properties, wherein, described class function comprises: input method function, DOM function, XML linking request function and multimedia player function;
Wherein, the api function of operating system and the control function of hardware are packaged into described class function.
2. method according to claim 1, is characterized in that, before the described class function of operation realizes corresponding function, described method also comprises:
External control devices sends steering order to trigger the described class function in described Widget engine.
3. method according to claim 1, is characterized in that, realizes in the process of corresponding function in the described class function of operation, if external control devices sends interrupt instruction, then and the function that described class function out of service is corresponding.
4. a Widget application system, is characterized in that, comprising:
Widget script file unit, for creating and preserving XML script file and JavaScript script file;
Widget engine, reads and resolves described XML script file and described JavaScript script file, to call corresponding one or more class functions;
Processing unit, for running described class function to realize corresponding function;
Wherein, described Widget engine comprises:
Class function module, for preserving one or more class function, described class function comprises: graph function, input method function, DOM function, XML linking request function and multimedia player function;
Adaptation module, for the api function of operating system and the control function of hardware are packaged into described class function, and provides the adaptive several operation systems of adaptable interface and hardware;
Parsing module, for being read by XML parsing module and resolving described XML script file, to obtain the control property in described XML script file, and is called in described class function for creating the graph function of graphical interfaces according to described control property; Read by JavaScript parsing module and resolve described JavaScript script file, to call the function of class function described in each.
5. system according to claim 4, is characterized in that, described system also comprises:
External control devices, for sending steering order to trigger the described class function run in described Widget engine.
6. a multimedia terminal, is characterized in that, comprises the Widget application system described in the claims 4 or 5.
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| CN103092613A (en) * | 2012-12-31 | 2013-05-08 | 中山大学 | Widget middleware system based on smart television |
| CN103176804B (en) * | 2013-04-19 | 2017-06-20 | 中国海洋大学 | A kind of user interface implementation method |
| US9805406B2 (en) * | 2013-06-12 | 2017-10-31 | Google Inc. | Embeddable media content search widget |
| CN104035778A (en) * | 2014-06-26 | 2014-09-10 | 上海斐讯数据通信技术有限公司 | Android application program development method |
| CN104699501B (en) * | 2015-01-15 | 2018-02-16 | 腾讯科技（深圳）有限公司 | A kind of method and device for running application program |
| CN106250141B (en) * | 2016-07-29 | 2021-12-10 | 四川天邑康和通信股份有限公司 | Design method of WEB UI plug-in |
| CN106897066B (en) * | 2017-02-24 | 2019-10-29 | 百富计算机技术（深圳）有限公司 | Network application operation method and device based on POS payment terminal |
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