mgjs_htmlfontelement.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 GetHTMLFontElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool SetHTMLFontElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
		
enum HTMLFontElement_slots {
  HTMLFONTELEMENT_COLOR,
  HTMLFONTELEMENT_FACE,
  HTMLFONTELEMENT_SIZE,
};

static JSBool GetHTMLFontElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	myJSFontPrivate *mFontPrivate=(myJSFontPrivate *)JS_GetPrivate(cx,obj);
	HTMLFontElementImpl *impl;
	DOMString dsReturn=(const char*)"";
	// long int lReturn;
	// bool bReturn;
	impl=(HTMLFontElementImpl *)mFontPrivate->CurNode;
	if(!impl)return JS_FALSE;
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
			case HTMLFONTELEMENT_COLOR:
				dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_COLOR);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
				break;
			case HTMLFONTELEMENT_FACE:
				dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_FACE);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
				break;
			case HTMLFONTELEMENT_SIZE:
				dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_SIZE);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
				break;
			}
	}
 	return JS_TRUE;
}
static JSBool SetHTMLFontElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	myJSFontPrivate *mFontPrivate=(myJSFontPrivate *)JS_GetPrivate(cx,obj);
	HTMLFontElementImpl *impl;
	DOMString dsValue;
	// bool bValue;long int lValue;
	impl=(HTMLFontElementImpl *)mFontPrivate->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 HTMLFONTELEMENT_COLOR:
				((ElementImpl *)impl)->setAttribute(ATTR_COLOR,dsValue);
				break;
			case HTMLFONTELEMENT_FACE:
				((ElementImpl *)impl)->setAttribute(ATTR_FACE,dsValue);
				break;
			case HTMLFONTELEMENT_SIZE:
				((ElementImpl *)impl)->setAttribute(ATTR_SIZE,dsValue);
				break;
		}
	}
	return JS_TRUE;
}

static JSPropertySpec HTMLFontElementProperties[] =
{
  {"color",    HTMLFONTELEMENT_COLOR,    JSPROP_ENUMERATE},
  {"face",    HTMLFONTELEMENT_FACE,    JSPROP_ENUMERATE},
  {"size",    HTMLFONTELEMENT_SIZE,    JSPROP_ENUMERATE},
  {0}
};
JSClass HTMLFontElementClass = {
  "HTMLFontElement", 
  JSCLASS_HAS_PRIVATE ,
  JS_PropertyStub,
  JS_PropertyStub,
  GetHTMLFontElementProperty,
  SetHTMLFontElementProperty,
  JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub 
};


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

JSObject* InitHTMLFontElementClass(JSContext *cx,JSObject *globalObj,JSObject *proto)
{
	JSObject *obj;
	obj = JS_DefineObject (cx,globalObj, "HtmlFontElement", &HTMLFontElementClass,proto,JSPROP_ENUMERATE);
    JS_DefineProperties (cx,obj,HTMLFontElementProperties);
    JS_DefineFunctions (cx,obj,HTMLFontElementMethods);
	return obj;
}
JSObject* NewScriptHTMLFontElement(JSContext *cx,JSObject *proto,JSObject *parent,ElementImpl *eImpl)
{
	JSObject *obj;
	JSObject *global = JS_GetGlobalObject(cx);
	jsval vp;
	if ((JS_TRUE == JS_LookupProperty(cx, global, "HtmlFontElement", &vp) && JSVAL_IS_OBJECT(vp)))
				obj=JS_NewObject(cx,&HTMLFontElementClass,JSVAL_TO_OBJECT(vp),NULL);
	else
				obj=InitHTMLFontElementClass(cx,JS_GetParent(cx,proto),proto);
	myJSFontPrivate *mFontPrivate=new myJSFontPrivate;
	mFontPrivate->CurNode=(ElementImpl*)eImpl;	
	JS_SetPrivate(cx,obj,(void*)mFontPrivate);
	return obj;
}