mgjs_htmlbodyelement.cpp

monqueror一个很具有参考价值的源玛

#include "mgjs_main.h"
#include <../misc/htmlattrs.h>		

static JSBool gethtmlbodyelementproperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool sethtmlbodyelementproperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
enum htmlbodyelement_slots {
  htmlbodyelement_alink,
  htmlbodyelement_background,
  htmlbodyelement_bgcolor,
  htmlbodyelement_link,
  htmlbodyelement_text,
  htmlbodyelement_vlink
};
static JSBool gethtmlbodyelementproperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	DOM::HTMLDocumentImpl *pDoc;
	pDoc=mgJSGetDoc(cx);
	DOMString ds;
	HTMLElementImpl *body;
	if(!pDoc)return JS_FALSE;
	body=pDoc->body();
#if DEBUG_BY_XHTANG	
fprintf(stderr,"bodyelement.cpp obj:%p",obj);	
#endif
	if (JSVAL_IS_INT(id)) {
    	switch(JSVAL_TO_INT(id)) {
			case htmlbodyelement_alink:
				ds=body->getAttribute(ATTR_ALINK);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,ds.string()));
				break;
			case htmlbodyelement_background:
				ds=body->getAttribute(ATTR_BACKGROUND);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,ds.string()));
				break;
			case htmlbodyelement_bgcolor:
				ds=body->getAttribute(ATTR_BGCOLOR);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,ds.string()));
				break;
			case htmlbodyelement_link:
				ds=body->getAttribute(ATTR_LINK);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,ds.string()));
				break;
			case htmlbodyelement_text:
				ds=body->getAttribute(ATTR_TEXT);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,ds.string()));
				break;
			case htmlbodyelement_vlink:
				ds=body->getAttribute(ATTR_VLINK);
				*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,ds.string()));
				break;
		}
	}	
	return JS_TRUE;
}

static JSBool sethtmlbodyelementproperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	JSString *jss;
	DOM::HTMLDocumentImpl *pDoc;
	pDoc=mgJSGetDoc(cx);
	DOMString ds;
	HTMLElementImpl *body;
	body=pDoc->body();
	jss = JS_ValueToString (cx, *vp);
    ds=(DOMString)JS_GetStringBytes (jss);
#if CODE_BY_XHTANG
fprintf(stderr,"body.setprop:%s",(const char*)ds.string());
#endif
	if (JSVAL_IS_INT(id)) {
    	switch(JSVAL_TO_INT(id)) {
			case htmlbodyelement_alink:
				body->setAttribute(ATTR_ALINK,ds);
				break;
			case htmlbodyelement_background:
				body->setAttribute(ATTR_BACKGROUND,ds);
				break;
			case htmlbodyelement_bgcolor:
				body->setAttribute(ATTR_BGCOLOR,ds);
				break;
			case htmlbodyelement_link:
				body->setAttribute(ATTR_LINK,ds);
				break;
			case htmlbodyelement_text:
				body->setAttribute(ATTR_TEXT,ds);
				break;
			case htmlbodyelement_vlink:
				body->setAttribute(ATTR_VLINK,ds);
				break;
	    }
	}
	return JS_TRUE;
}

static JSPropertySpec htmlbodyelementproperties[] =
{
  {"alink",    htmlbodyelement_alink,    JSPROP_ENUMERATE},
  {"background",    htmlbodyelement_background,    JSPROP_ENUMERATE},
  {"bgcolor",    htmlbodyelement_bgcolor,    JSPROP_ENUMERATE},
  {"link",    htmlbodyelement_link,    JSPROP_ENUMERATE},
  {"text",    htmlbodyelement_text,    JSPROP_ENUMERATE},
  {"vlink",    htmlbodyelement_vlink,    JSPROP_ENUMERATE},
  {0}
};

JSClass htmlbodyelementclass = {
  "HtmlBodyElement", 
  0,
  JS_PropertyStub,JS_PropertyStub,
  gethtmlbodyelementproperty,sethtmlbodyelementproperty,
  JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
};

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

JSObject* InitHTMLBodyElementClass(JSContext *cx,JSObject *globalObj,JSObject *proto)
{
	JSObject *Obj;
	Obj = JS_DefineObject (cx,globalObj, "HtmlBodyElement", &htmlbodyelementclass,proto,JSPROP_ENUMERATE);
    JS_DefineProperties (cx,Obj, htmlbodyelementproperties);
    JS_DefineFunctions (cx,Obj, htmlbodyelementmethods);
	return Obj;
}				

JSObject* NewScriptHTMLBodyElement(JSContext *cx,JSObject *proto,JSObject *parent,ElementImpl *eImpl)
{
	JSObject *obj;
	JSObject *global = JS_GetGlobalObject(cx);
	jsval vp;
	if ((JS_TRUE == JS_LookupProperty(cx, global, "HtmlBodyElement", &vp) && JSVAL_IS_OBJECT(vp)))
		obj=JS_NewObject(cx,&htmlbodyelementclass,JSVAL_TO_OBJECT(vp),NULL);
	else
		obj=InitHTMLBodyElementClass(cx,JS_GetParent(cx,proto),proto);
	return obj;
}