mgjs_htmlbaseelement.cpp

monqueror一个很具有参考价值的源玛

#include "mgjs_main.h"
#include <../misc/htmlattrs.h>		
#include <html_headimpl.h>
static JSBool GetHTMLBaseElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool SetHTMLBaseElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
		
enum HTMLBaseElement_slots {
  HTMLBASEELEMENT_HREF ,
  HTMLBASEELEMENT_TARGET ,
};

static JSBool GetHTMLBaseElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	myJSBasePrivate *mBasePrivate=(myJSBasePrivate *)JS_GetPrivate(cx,obj);
	// DOM::HTMLDocumentImpl *pDoc;
	HTMLBaseElementImpl *impl;
	DOMString dsReturn=(const char*)"";
	// long int lReturn;
	// bool bReturn;
	impl=(HTMLBaseElementImpl *)mBasePrivate->CurNode;
	if(!impl)return JS_FALSE;
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
			case HTMLBASEELEMENT_HREF :
				dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_HREF);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
				break;
			case HTMLBASEELEMENT_TARGET :
				dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_TARGET);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
				break;
			}
	}
 	return JS_TRUE;
}
static JSBool SetHTMLBaseElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	myJSBasePrivate *mBasePrivate=(myJSBasePrivate *)JS_GetPrivate(cx,obj);
	HTMLBaseElementImpl *impl;
	DOMString dsValue;
	// bool bValue;long int lValue;
	impl=(HTMLBaseElementImpl *)mBasePrivate->CurNode;
	if(!impl)return JS_FALSE;
	JSString *jss;
    if (!(jss = JS_ValueToString (cx,*vp)))return JS_FALSE;
  	dsValue = (const char*)JS_GetStringBytes (jss);

	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
			case HTMLBASEELEMENT_HREF :
				((ElementImpl *)impl)->setAttribute(ATTR_HREF,dsValue);
				break;
			case HTMLBASEELEMENT_TARGET :
				((ElementImpl *)impl)->setAttribute(ATTR_TARGET,dsValue);
				break;
		}
	}
	return JS_TRUE;
}

static JSPropertySpec HTMLBaseElementProperties[] =
{
  {"href",    HTMLBASEELEMENT_HREF,    JSPROP_ENUMERATE},
  {"target",    HTMLBASEELEMENT_TARGET,    JSPROP_ENUMERATE},
  {0}
};
JSClass HTMLBaseElementClass = {
  "HTMLBaseElement", 
  JSCLASS_HAS_PRIVATE ,
  JS_PropertyStub,
  JS_PropertyStub,
  GetHTMLBaseElementProperty,
  SetHTMLBaseElementProperty,
  JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
};


static JSFunctionSpec HTMLBaseElementMethods[] = 
{
  {0}
};

JSObject* InitHTMLBaseElementClass(JSContext *cx,JSObject *globalObj,JSObject *proto)
{
	JSObject *obj;
	obj = JS_DefineObject (cx,globalObj, "HtmlBaseElement", &HTMLBaseElementClass,proto,JSPROP_ENUMERATE);
    JS_DefineProperties (cx,obj,HTMLBaseElementProperties);
    JS_DefineFunctions (cx,obj,HTMLBaseElementMethods);
	return obj;
}
JSObject* NewScriptHTMLBaseElement(JSContext *cx,JSObject *proto,JSObject *parent,ElementImpl *eImpl)
{
	JSObject *obj;
	JSObject *global = JS_GetGlobalObject(cx);
	jsval vp;
	if ((JS_TRUE == JS_LookupProperty(cx, global, "HtmlBaseElement", &vp) && JSVAL_IS_OBJECT(vp)))
		obj=JS_NewObject(cx,&HTMLBaseElementClass,JSVAL_TO_OBJECT(vp),NULL);
	else
		obj=InitHTMLBaseElementClass(cx,JS_GetParent(cx,proto),proto);
	myJSBasePrivate *mBasePrivate=new myJSBasePrivate;
	mBasePrivate->CurNode=(ElementImpl*)eImpl;	
	JS_SetPrivate(cx,obj,(void*)mBasePrivate);
	return obj;
}