mgjs_htmloptionelement.cpp

monqueror一个很具有参考价值的源玛

#include "mgjs_main.h"

#include <../misc/htmlattrs.h>	
#include <html_formimpl.h>
static JSBool GetHTMLOptionElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool SetHTMLOptionElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);

enum HTMLOptionElement_slots {
  HTMLOPTIONELEMENT_FORM ,
  HTMLOPTIONELEMENT_DEFAULTSELECTED ,
  HTMLOPTIONELEMENT_TEXT ,
  HTMLOPTIONELEMENT_INDEX ,
  HTMLOPTIONELEMENT_DISABLED ,
  HTMLOPTIONELEMENT_LABEL ,
  HTMLOPTIONELEMENT_SELECTED ,
  HTMLOPTIONELEMENT_VALUE ,
};
static JSBool GetHTMLOptionElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	myJSOptionPrivate *mOptionPrivate=(myJSOptionPrivate *)JS_GetPrivate(cx,obj);
	HTMLOptionElementImpl *impl;
	JSObject *eobj,*proto;
	DOMString dsReturn=(const char*)"";
	bool bReturn;long lReturn;
	impl=(HTMLOptionElementImpl *)mOptionPrivate->CurNode;
	if(!impl)return JS_FALSE;
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
		case HTMLOPTIONELEMENT_FORM:
			proto=JS_GetPrototype(cx,obj);
			eobj=NewScriptHTMLFormElement(cx,proto,0,((HTMLOptionElementImpl *)impl)->form());
			*vp=OBJECT_TO_JSVAL(eobj);
			break;
		case HTMLOPTIONELEMENT_DEFAULTSELECTED:
			bReturn=((ElementImpl *)impl)->getAttribute(ATTR_SELECTED).isNull();
			*vp=INT_TO_JSVAL(bReturn);
			break;
		case HTMLOPTIONELEMENT_TEXT:
			dsReturn=((HTMLOptionElementImpl *)impl)->text();
			*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
			break;
		case HTMLOPTIONELEMENT_INDEX:
			lReturn=((HTMLOptionElementImpl *)impl)->index();
			*vp=INT_TO_JSVAL(lReturn);
			break;
		case HTMLOPTIONELEMENT_DISABLED:
			bReturn=((ElementImpl *)impl)->getAttribute(ATTR_DISABLED).isNull();
			*vp=INT_TO_JSVAL(bReturn);
			break;
		case HTMLOPTIONELEMENT_LABEL :
			dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_LABEL);
			*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
			break;
		case HTMLOPTIONELEMENT_SELECTED :
			bReturn=((HTMLOptionElementImpl *)impl)->selected();
			*vp=INT_TO_JSVAL(bReturn);
			break;
		case HTMLOPTIONELEMENT_VALUE :
			dsReturn=((ElementImpl *)impl)->getAttribute(ATTR_VALUE);
			*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,dsReturn.string()));
			break;
		}
	}

 	return JS_TRUE;
}
static JSBool SetHTMLOptionElementProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	myJSOptionPrivate *mOptionPrivate=(myJSOptionPrivate *)JS_GetPrivate(cx,obj);
	HTMLOptionElementImpl *impl;
	DOMString dsValue;
	bool bValue;
	impl=(HTMLOptionElementImpl *)mOptionPrivate->CurNode;
	JSString *jss;
    if (!(jss = JS_ValueToString (cx,*vp)))return JS_FALSE;
  	dsValue = (const char*)JS_GetStringBytes (jss);
	if(!impl)return JS_FALSE;
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
#if 0
		// readonly				
		case HTMLOPTIONELEMENT_FORM:
			break;
#endif			
		case HTMLOPTIONELEMENT_DEFAULTSELECTED:
			bValue=(bool)JSVAL_TO_INT(*vp);
			((ElementImpl *)impl)->setAttribute(ATTR_SELECTED, bValue ? "" : 0);
			break;
#if 0
		// readonly		
		case HTMLOPTIONELEMENT_TEXT:
			break;
		case HTMLOPTIONELEMENT_INDEX:
			break;
#endif			
		case HTMLOPTIONELEMENT_DISABLED:
			bValue=(bool)JSVAL_TO_INT(*vp);
			((ElementImpl *)impl)->setAttribute(ATTR_DISABLED, bValue ? "" : 0);
			break;
		case HTMLOPTIONELEMENT_LABEL :
			((ElementImpl *)impl)->setAttribute(ATTR_LABEL, dsValue);
			break;
		case HTMLOPTIONELEMENT_SELECTED :
			bValue=(bool)JSVAL_TO_INT(*vp);
			((HTMLOptionElementImpl *)impl)->setSelected(bValue);
			break;
		case HTMLOPTIONELEMENT_VALUE :
			((ElementImpl *)impl)->setAttribute(ATTR_VALUE, dsValue);
			break;

		}
	}
	return JS_TRUE;
}

static JSPropertySpec HTMLOptionElementProperties[] =
{
  {"form",    HTMLOPTIONELEMENT_FORM,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"defaultSelected",    HTMLOPTIONELEMENT_DEFAULTSELECTED,    JSPROP_ENUMERATE},
  {"text",    HTMLOPTIONELEMENT_TEXT,    JSPROP_ENUMERATE},
  {"index",    HTMLOPTIONELEMENT_INDEX,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"disabled",    HTMLOPTIONELEMENT_DISABLED,    JSPROP_ENUMERATE},
  {"label",    HTMLOPTIONELEMENT_LABEL,    JSPROP_ENUMERATE},
  {"selected",    HTMLOPTIONELEMENT_SELECTED,    JSPROP_ENUMERATE},
  {"value",    HTMLOPTIONELEMENT_VALUE,    JSPROP_ENUMERATE},

  {0}
};

JSClass HTMLOptionElementClass = {
  "HTMLOptionElement", 
  JSCLASS_HAS_PRIVATE,
  JS_PropertyStub,
  JS_PropertyStub,
  GetHTMLOptionElementProperty,
  SetHTMLOptionElementProperty,
  JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub 
};

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

JSObject* InitHTMLOptionElementClass(JSContext *cx,JSObject *globalObj,JSObject *proto)
{
	JSObject *obj;
	obj = JS_DefineObject (cx,globalObj, "HtmlOptionElement", &HTMLOptionElementClass,proto,JSPROP_ENUMERATE);
    JS_DefineProperties (cx,obj,HTMLOptionElementProperties);
    JS_DefineFunctions (cx,obj,HTMLOptionElementMethods);
	return obj;
}
JSObject* NewScriptHTMLOptionElement(JSContext *cx,JSObject *proto,JSObject *parent,ElementImpl *eImpl)
{
	JSObject *obj;
	JSObject *global = JS_GetGlobalObject(cx);
	jsval vp;
	if ((JS_TRUE == JS_LookupProperty(cx, global, "HtmlOptionElement", &vp) && JSVAL_IS_OBJECT(vp)))
		obj=JS_NewObject(cx,&HTMLOptionElementClass,JSVAL_TO_OBJECT(vp),NULL);
	else
		obj=InitHTMLOptionElementClass(cx,JS_GetParent(cx,proto),proto);
	myJSOptionPrivate *mOptionPrivate=new myJSOptionPrivate;
	mOptionPrivate->CurNode=(ElementImpl*)eImpl;	
	JS_SetPrivate(cx,obj,(void*)mOptionPrivate);
	return obj;
}