[webkit-help] New to webkit

[Jack Wootton]

Are you using S60 webkit?  What version of webkit are you using?

On Mon, Aug 3, 2009 at 12:56 PM, LG<lgmagic at gmail.com> wrote:
> Hi Jack,
>
> thanks for the info,
>
> the problem here is i tried this and didnot work
> i ll elaborate on what i have tried
>
> 1. i have created a class in JavascriptCore/API
>
> test.cpp
>
> #include "UnusedParam.h"
> #include <JavaScriptCore/JavaScript.h>
> #include <assert.h>
> #include <math.h>
> #include <setjmp.h>
>
>
> static JSGlobalContextRef context = 0;
> JSValueRef v;
> JSValueRef exception;
> JSStringRef functionBody;
> JSObjectRef function;
>
> int main()
> {
>
>     //create a class with a name
>     JSStringRef calObjectName = JSStringCreateWithUTF8CString("calendar");
>
>     //create a class definition
>     JSClassDefinition calObjectDef;
>     calObjectDef.version = 1;
>     //calObjectDef.className = calObjectName
>
>
>     //create a context
>     //context = JSGlobalContextCreate(NULL);
>     //assert(JSValueIsObject(context, globalObject));
>
>     //create the class
>     JSClassRef globalObjectClass = JSClassCreate(&calObjectDef);
>
>     //create a global context
>     JSGlobalContextRef context = JSGlobalContextCreate(globalObjectClass);
>         JSObjectRef globalObject = JSContextGetGlobalObject(context);
>
>     //make the object
>     JSObjectRef calObject = JSObjectMake(context, globalObjectClass, NULL);
>
>
>     //set properties
>     JSObjectSetProperty(context, globalObject, calObjectName, calObject,
> kJSPropertyAttributeNone, NULL);
>
>
>     exception = NULL;
>     v = NULL;
>
>     JSStringRef getCal = JSStringCreateWithUTF8CString("getCalendars");
>     functionBody = JSStringCreateWithUTF8CString("return NULL;");
>     function = JSObjectMakeFunction(context, getCal,0, NULL, functionBody,
> NULL, 1, &exception);
>     assert(function && !exception);
>     JSValueRef arguments[] = { JSValueMakeNumber(context, 2) };
>     v = JSObjectCallAsFunction(context, function, NULL, 1, arguments,
> &exception);
>     JSStringRelease(getCal);
>     JSStringRelease(functionBody);
>
>     return 1;
> }
>
>
> 2. i added this to the make file and i get the following errors
>
> undefined reference to `JSStringCreateWithUTF8CString`
> undefined reference to `JSClassCreate`
> undefined reference to `JSGlobalContextCreate`
>
> etc
>
> i am not sure where to put the file and compile
> please guide me through the approach
>
>
>
>
> On Mon, Aug 3, 2009 at 2:29 PM, Jack Wootton <jackwootton at gmail.com> wrote:
>>
>> Hello,
>>
>> If you mean add a new JavaScript object, then here is a reply I wrote
>> some time ago (copied and pasted).
>>
>> Here is the API:
>>
>>
>> http://gemma.apple.com/documentation/Carbon/Reference/WebKit_JavaScriptCore_Ref/index.html#//apple_ref/doc/framework/javascriptcore_fw
>>
>> If this is what you wish to do, then the following is a rough guide of
>> what you need to do:
>>
>> 1. Create an empty class definition, you can create an empty class
>> definition using kJSClassDefinitionEmpty.
>> 2. Use the class definition with the JSCoreAPI method "JSClassCreate"
>> to create your class.
>> 3. Use your new class with JSObjectMake to create your new JSObject
>> (this will be your widget object).
>> 4  Use JSObjectSetProperty to add your new JSObject as a property of
>> the Window object.
>>
>> It maybe useful to look at the following files in the
>> JavaScriptCore (Although, personally I didn't find them particularly
>> easy to understand.)
>>
>> JavaScriptCore\API\testapi.c
>> testapi.js
>>
>>
>> There are also some example programs that do what you want to do, only
>> with different objects.
>>
>> JSPong: http://developer.apple.com/SampleCode/JSPong/index.html
>>
>> JSInterpreter:
>> http://developer.apple.com/samplecode/JSInterpreter/index.html
>>
>> More programs can be found here:
>>
>> http://developer.apple.com/SampleCode/Cocoa/idxInternetWeb-date.html
>>
>> On Mon, Aug 3, 2009 at 5:34 AM, LG<lgmagic at gmail.com> wrote:
>> > Hi all,
>> >
>> > i am new to webkit and i need to add an new object/api to javascript
>> > core
>> > can someone share and example and tell me how to compile it in webkit
>> >
>> > anyhelp would be useful
>> > thanks a lot
>> >
>> >
>> > --
>> > Ganesh
>> >
>> > _______________________________________________
>> > webkit-help mailing list
>> > webkit-help at lists.webkit.org
>> > http://lists.webkit.org/mailman/listinfo.cgi/webkit-help
>> >
>> >
>>
>>
>>
>> --
>> Regards
>> Jack
>
>
>
> --
> LG
>



-- 
Regards
Jack