[webkit-dev] how to extend the javascript native object?

[Darren VanBuren]

Netscape, and all decendants use "ns" to prefix as opposed to "NS" for  
NeXTSTEP. A bit confusing for some.

Darren VanBuren
-------------------------
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Try Fedora 10 today. Fire it up. http://fedoraproject.org/

On Jul 6, 2009, at 2:37, Jack Wootton <jackwootton at gmail.com> wrote:

> For completion, I can answer my own question.  NSObject stands for
> NeXTStep Object.  Which is related to Objective C and not webkit.  I
> assumed it was something like "NetScape Object".  My mistake.  If like
> me you're more familiar with C++ than Objective C - this seems like a
> reasonable guide:
>
> http://www.otierney.net/objective-c.html
>
> 2009/7/6 Jack Wootton <jackwootton at gmail.com>:
>> On Sat, Jul 4, 2009 at 4:52 PM, 胡 波<h3282129 at yahoo.com.cn> wrote:
>>> Thank you very much!
>>>
>>> I understand your steps,But I do not understand the implement  
>>> process! In
>>> the samples you provide with me , I do not find the .cpp file. I  
>>> want to get
>>> a sample for windows.Can you help me?
>>>
>>> my aim:"widget" object is the same the "history" object,for
>>> example,to:"widget" object: window.widget.(property/ 
>>> method),:to :"history"
>>> object,window.history.back();
>>>
>>> thank you!
>>>
>>
>> In the JSPong example I linked, the first thing to look at should
>> probably be PongAI.js.  Since this gives you an idea of what is being
>> achieved. Then read the ReadMe.txt to get an overview of the  
>> different
>> classes involved. You could then have a look at JSShape.m is where  
>> the
>> "ball" class is constructed and it's properties are associated with
>> Objective C implementation (by adding static values to the class
>> definition).
>>
>> There is one oddity though, I do not understand why NSObject is
>> inherited from, since I thought use of the JavaScriptCore API meant
>> that developers didn't have to inherit from classes in this
>> manner...that the API did this for them.  Maybe someone on this
>> mailing list can help clarify this?
>>
>>
>>
>>
>>> --- 09年7月4日，周六, Jack Wootton <jackwootton at gmail.com> 
>>>  写道：
>>>
>>> 发件人: Jack Wootton jackwootton at gmail.com
>>> 主题: Re: [webkit-dev] how to extend the javascript native object?
>>> 收件人: "胡 波" <h3282129 at yahoo.com.cn>
>>> 抄送: webkit-dev at lists.webkit.org
>>> 日期: 2009年7月4日,周六,上午12:26
>>>
>>> To add, 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
>>>
>>>
>>>
>>> 2009/7/3 Jack Wootton <jackwootton at gmail.com>:
>>>> Are you saying you wan to add a 'widget' property to the Window
>>>> object?  If so, then the JavaScriptCore API has methods that will
>>>> help you:
>>>>
>>>> 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.
>>>>
>>>>
>>>> On Fri, Jul 3, 2009 at 4:51 PM, 胡 波<h3282129 at yahoo.com.cn> w 
>>>> rote:
>>>>>    I want to extend the javascript native object,such as widget
>>>>> object,and
>>>>> make it inherit window object. That is to say,when the widget  
>>>>> object is
>>>>> extended, and we can use it by the window.widget.(method/ 
>>>>> property) in the
>>>>> html document?
>>>>> ________________________________
>>>>> 好玩贺卡等你发，邮箱贺卡全新上线！
>>>>> _______________________________________________
>>>>> webkit-dev mailing list
>>>>> webkit-dev at lists.webkit.org
>>>>> http://lists.webkit.org/mailman/listinfo.cgi/webkit-dev
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Regards
>>>> Jack
>>>>
>>>
>>>
>>>
>>> --
>>> Regards
>>> Jack
>>>
>>> ________________________________
>>> 好玩贺卡等你发，邮箱贺卡全新上线！
>>
>>
>>
>> --
>> Regards
>> Jack
>>
>
>
>
> -- 
> Regards
> Jack
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