mgjs_document.cpp

来自「monqueror一个很具有参考价值的源玛」· C++ 代码 · 共 438 行

#include "mgjs_main.h"

#include <htmltags.h>

#define TEMPSTRINGMAX 512

static JSBool GetDocumentProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool SetDocumentProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
static JSBool HTMLDOCUMENT_Write(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
static JSBool HTMLDOCUMENT_Writeln(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
static JSBool HTMLDOCUMENT_GetElementById(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
static JSBool HTMLDOCUMENT_GetElementsByName(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
static JSBool HTMLDOCUMENT_Open(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
static JSBool HTMLDOCUMENT_Close(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);

static JSBool HTMLDOCUMENT_GetElementByIdCommon(JSContext *cx, JSObject *obj, DOMString elementId,jsval *rval);
static JSBool HTMLDOCUMENT_GetElementByNameCommon(JSContext *cx, JSObject *obj, DOMString elementName,jsval *rval);
static JSBool NSHTMLDocumentCaptureEvents(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
static JSBool NSHTMLDocumentReleaseEvents(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);
static JSBool NSHTMLDocumentRouteEvent(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval);

bool HTMLDOCUMENT_IsInternalMethod(char s[]);
		
enum Document_slots { 
	HTMLDOCUMENT_TITLE,
	HTMLDOCUMENT_REFERRER,
	HTMLDOCUMENT_DOMAIN,
	HTMLDOCUMENT_URL,
	HTMLDOCUMENT_BODY,
	HTMLDOCUMENT_IMAGES,
	HTMLDOCUMENT_APPLETS,
	HTMLDOCUMENT_LINKS,
  	HTMLDOCUMENT_FORMS,
	HTMLDOCUMENT_ANCHORS,
	HTMLDOCUMENT_COOKIE,

	//NOTE: following properties are netscape's.
	NSHTMLDOCUMENT_WIDTH ,
	NSHTMLDOCUMENT_HEIGHT ,
	NSHTMLDOCUMENT_ALINKCOLOR ,
	NSHTMLDOCUMENT_LINKCOLOR ,
	NSHTMLDOCUMENT_VLINKCOLOR ,
	NSHTMLDOCUMENT_BGCOLOR ,
	NSHTMLDOCUMENT_FGCOLOR ,
	NSHTMLDOCUMENT_LASTMODIFIED ,
	NSHTMLDOCUMENT_EMBEDS 
			
	};

static JSBool GetDocumentProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
	DOM::HTMLDocumentImpl *pDoc;
	pDoc=mgJSGetDoc(cx);
	
	DOMString ds;
	
	JSObject *newObj;
	DOM::HTMLCollectionImpl *hCollectionImpl;
	HTMLElementImpl *eImpl;
	char s[TEMPSTRINGMAX+1];
	JSString *jss;
	bool bIsInternalMethod;

	JSObject *proto=mgJSGetElementObj(cx);
	if (JSVAL_IS_INT(id)) {
        switch (JSVAL_TO_INT(id)) {
		case HTMLDOCUMENT_TITLE:
			*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,"This is my Document property."));
		  	break;
		case HTMLDOCUMENT_FORMS:
			hCollectionImpl=new HTMLCollectionImpl((NodeImpl *)pDoc->body(), HTMLCollectionImpl::DOC_FORMS);
			eImpl=(HTMLElementImpl*)(hCollectionImpl->item(0));
			delete hCollectionImpl;
			newObj=NewScriptHTMLFormElement(cx,proto,0,eImpl);
			*vp=OBJECT_TO_JSVAL(newObj);
			break;
		case HTMLDOCUMENT_IMAGES:
			hCollectionImpl=new HTMLCollectionImpl((NodeImpl *)pDoc->body(), HTMLCollectionImpl::DOC_IMAGES);
			eImpl=(HTMLElementImpl*)(hCollectionImpl->item(0));
			delete hCollectionImpl;
			newObj=NewScriptHTMLImageElement(cx,proto,0,eImpl);
			*vp=OBJECT_TO_JSVAL(newObj);
			break;
		case HTMLDOCUMENT_APPLETS:
			hCollectionImpl=new HTMLCollectionImpl((NodeImpl *)pDoc->body(), HTMLCollectionImpl::DOC_APPLETS);
			eImpl=(HTMLElementImpl*)(hCollectionImpl->item(0));
			delete hCollectionImpl;
			newObj=NewScriptHTMLAppletElement(cx,proto,0,eImpl);
			*vp=OBJECT_TO_JSVAL(newObj);
			break;
		case HTMLDOCUMENT_LINKS:
			hCollectionImpl=new HTMLCollectionImpl((NodeImpl *)pDoc->body(), HTMLCollectionImpl::DOC_LINKS);
			eImpl=(HTMLElementImpl*)(hCollectionImpl->item(0));
			delete hCollectionImpl;
			newObj=NewScriptHTMLLinkElement(cx,proto,0,eImpl);
			*vp=OBJECT_TO_JSVAL(newObj);
			break;
		case HTMLDOCUMENT_ANCHORS:
			hCollectionImpl=new HTMLCollectionImpl((NodeImpl *)pDoc->body(), HTMLCollectionImpl::DOC_ANCHORS);
			eImpl=(HTMLElementImpl*)(hCollectionImpl->item(0));
			delete hCollectionImpl;
			newObj=NewScriptHTMLAnchorElement(cx,proto,0,eImpl);
			*vp=OBJECT_TO_JSVAL(newObj);
			break;
		case HTMLDOCUMENT_BODY:
			newObj=NewScriptHTMLBodyElement(cx,proto,0,0);
			*vp=OBJECT_TO_JSVAL(newObj);
			break;
		case HTMLDOCUMENT_DOMAIN:
			ds=pDoc->domain();
			*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,ds.string()));
			break;
		case HTMLDOCUMENT_COOKIE:
			//TODO:
//			ds=pDoc->cookie();
//			*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,ds.string()));
			break;
		case HTMLDOCUMENT_URL:
			ds=pDoc->URL();
			*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,ds.string()));
			break;
		case HTMLDOCUMENT_REFERRER:
			ds=pDoc->referrer();
			*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,ds.string()));
			break;
			
		case NSHTMLDOCUMENT_WIDTH :
			break;
		case NSHTMLDOCUMENT_HEIGHT :
			break;
		case NSHTMLDOCUMENT_ALINKCOLOR :
			break;
		case NSHTMLDOCUMENT_LINKCOLOR :
			break;
		case NSHTMLDOCUMENT_VLINKCOLOR :
			break;
		case NSHTMLDOCUMENT_BGCOLOR :
			break;
		case NSHTMLDOCUMENT_FGCOLOR :
			break;
		case NSHTMLDOCUMENT_LASTMODIFIED :
			*vp=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,"2001.4.25"));
			break;
		case NSHTMLDOCUMENT_EMBEDS :
			break;
		}
	}
	else
		{
		if (!(jss = JS_ValueToString (cx, id)))return JS_FALSE;
  		strncpy(s,(const char*)JS_GetStringBytes(jss),TEMPSTRINGMAX);
		bIsInternalMethod=HTMLDOCUMENT_IsInternalMethod(s);
		if(!bIsInternalMethod)
			return HTMLDOCUMENT_GetElementByNameCommon(cx,obj,s,vp);
		}
	return JS_TRUE;
}
static JSBool SetDocumentProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
#if 0
	MGHTMLView* view;
	HWND hWnd;
	HDC hdc;
#endif
	WNDCLASS wndClass;
	if (JSVAL_IS_INT(id)) {
		switch (JSVAL_TO_INT(id)) {
		case HTMLDOCUMENT_TITLE:
			//TODO:
			break;
		case HTMLDOCUMENT_BODY:
			//TODO:
			break;
		case HTMLDOCUMENT_COOKIE:
			//TODO:
			break;
#if 0
		//readonly			
		case HTMLDOCUMENT_REFERRER:
			break;
		case HTMLDOCUMENT_DOMAIN:
			break;
		case HTMLDOCUMENT_URL:
			break;
		case HTMLDOCUMENT_IMAGES:
			break;
		case HTMLDOCUMENT_APPLETS:
			break;
		case HTMLDOCUMENT_LINKS:
			break;
		case HTMLDOCUMENT_FORMS:
			break;
		case HTMLDOCUMENT_ANCHORS:
			break;
#endif			
		case NSHTMLDOCUMENT_WIDTH :
			break;
		case NSHTMLDOCUMENT_HEIGHT :
			break;
		case NSHTMLDOCUMENT_ALINKCOLOR :
			break;
		case NSHTMLDOCUMENT_LINKCOLOR :
			break;
		case NSHTMLDOCUMENT_VLINKCOLOR :
			break;
		case NSHTMLDOCUMENT_BGCOLOR :
			//gal_pixel GUIAPI SetBkColor (HDC hdc, gal_pixel color);
/*			view=mgJSGetView(cx);
			hWnd=mgJSGethWnd(cx);
			hWnd=view->getParent();
			hdc=GetDC(hWnd);
			SetBkColor (hdc,COLOR_red);
			ReleaseDC(hdc);*/
			GetWindowClassInfo (&wndClass);
			wndClass.iBkColor=COLOR_red;
			SetWindowClassInfo ((const WNDCLASS*)(&wndClass));

//BOOL GUIAPI GetWindowClassInfo (PWNDCLASS pWndClass);
//BOOL GUIAPI SetWindowClassInfo (const WNDCLASS* pWndClass);

fprintf(stderr,"\n====document.bgColor\n");			
			break;
		case NSHTMLDOCUMENT_FGCOLOR :
			break;
		case NSHTMLDOCUMENT_LASTMODIFIED :
			break;
		case NSHTMLDOCUMENT_EMBEDS :
			break;
		}
	}
	return JS_TRUE;
}

static JSBool HTMLDOCUMENT_Write(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char stext[TEMPSTRINGMAX+1];
	JSString *jss;
	DOM::HTMLDocumentImpl *pDoc;
	
	pDoc=mgJSGetDoc(cx);
	if(!pDoc)return JS_FALSE;
	
	if(argc<1)return JS_FALSE;
	if(JSVAL_IS_OBJECT(argv[0]))
	{
		pDoc->write((QString)"Object");
		return JS_TRUE;
	}
    if(!(jss = JS_ValueToString (cx, argv[0])))return JS_FALSE;
	strncpy(stext,(const char*)JS_GetStringBytes (jss),TEMPSTRINGMAX);
	pDoc->write((QString)stext);
	return JS_TRUE;
}
static JSBool HTMLDOCUMENT_Writeln(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	char stext[TEMPSTRINGMAX+1];
	JSString *jss;
	DOM::HTMLDocumentImpl *pDoc;
	pDoc=mgJSGetDoc(cx);
	if(pDoc==NULL)return JS_FALSE;
	if(argc<1)return JS_FALSE;
	if(JSVAL_IS_OBJECT(argv[0]))
	{
		pDoc->write((QString)"Object");
		return JS_TRUE;
	}
	if (!(jss = JS_ValueToString (cx, argv[0])))return JS_FALSE;
  	strncpy( stext, JS_GetStringBytes (jss), TEMPSTRINGMAX );
	pDoc->writeln( (QString)stext );
	return JS_TRUE;
}
static JSBool HTMLDOCUMENT_GetElementById(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	DOMString elementId;
	JSString *jss;
    if (!(jss = JS_ValueToString (cx, argv[0])))return JS_FALSE;
  	elementId = (const char*)JS_GetStringBytes (jss);
	return HTMLDOCUMENT_GetElementByIdCommon(cx,obj,elementId,rval);
}
static JSBool HTMLDOCUMENT_GetElementsByName(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	DOM::HTMLDocumentImpl *pDoc;
	pDoc=mgJSGetDoc(cx);
	NodeListImpl *eImpl;
	DOMString elementName;
	JSString *jss;
    if (!(jss = JS_ValueToString (cx, argv[0])))return JS_FALSE;
  	elementName = (const char*)JS_GetStringBytes (jss);
	eImpl=pDoc->getElementsByName(elementName);	
	*rval=STRING_TO_JSVAL (JS_NewStringCopyZ (cx,"This is get by name methods."));
	return JS_TRUE;
}
static JSBool HTMLDOCUMENT_Open(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	DOM::HTMLDocumentImpl *pDoc;
	pDoc=mgJSGetDoc(cx);
	pDoc->open();	
	return JS_TRUE;
}	
static JSBool HTMLDOCUMENT_Close(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	DOM::HTMLDocumentImpl *pDoc;
	pDoc=mgJSGetDoc(cx);
	pDoc->close();
	return JS_TRUE;
}		
static JSBool NSHTMLDocumentCaptureEvents(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	MGHTMLView *view = mgJSGetView(cx);
	int32 b0;
	if(argc<1)return JS_FALSE;
	if (!JS_ValueToInt32(cx, argv[0], (int32 *)&b0)) 
		return JS_FALSE;
	view->m_JsEventTypeToCapture |= b0;

	return JS_TRUE;
}
static JSBool NSHTMLDocumentReleaseEvents(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	MGHTMLView *view = mgJSGetView(cx);
	int32 b0;
	if(argc<1)return JS_FALSE;
	if (!JS_ValueToInt32(cx, argv[0], (int32 *)&b0)) 
		return JS_FALSE;
	view->m_JsEventTypeToCapture &= ~b0;
	
	return JS_TRUE;
}
static JSBool NSHTMLDocumentRouteEvent(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
	return JS_TRUE;
}
	
static JSPropertySpec DocumentProperties[] =
{
  {"title",HTMLDOCUMENT_TITLE,    JSPROP_ENUMERATE },
  {"referrer",HTMLDOCUMENT_REFERRER,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"domain",HTMLDOCUMENT_DOMAIN,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"URL",HTMLDOCUMENT_URL,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"body",HTMLDOCUMENT_BODY,    JSPROP_ENUMERATE },
  {"images",    HTMLDOCUMENT_IMAGES,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"applets",    HTMLDOCUMENT_APPLETS,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"links",HTMLDOCUMENT_LINKS,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"forms",HTMLDOCUMENT_FORMS,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"anchors",HTMLDOCUMENT_ANCHORS,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"cookie",    HTMLDOCUMENT_COOKIE,    JSPROP_ENUMERATE},
  
  //following properties are NetScape's.
  {"width",    NSHTMLDOCUMENT_WIDTH,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"height",    NSHTMLDOCUMENT_HEIGHT,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"alinkColor",    NSHTMLDOCUMENT_ALINKCOLOR,    JSPROP_ENUMERATE},
  {"linkColor",    NSHTMLDOCUMENT_LINKCOLOR,    JSPROP_ENUMERATE},
  {"vlinkColor",    NSHTMLDOCUMENT_VLINKCOLOR,    JSPROP_ENUMERATE},
  {"bgColor",    NSHTMLDOCUMENT_BGCOLOR,    JSPROP_ENUMERATE},
  {"fgColor",    NSHTMLDOCUMENT_FGCOLOR,    JSPROP_ENUMERATE},
  {"lastModified",    NSHTMLDOCUMENT_LASTMODIFIED,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {"embeds",    NSHTMLDOCUMENT_EMBEDS,    JSPROP_ENUMERATE | JSPROP_READONLY},
  {0}
};
static JSClass DocumentClass = {
  "Document", JSCLASS_HAS_PRIVATE,
  JS_PropertyStub,
  JS_PropertyStub,
  GetDocumentProperty,
  SetDocumentProperty,
  JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub 
};

static JSFunctionSpec DocumentMethods[] = 
{
	{"write",HTMLDOCUMENT_Write,1},
	{"writeln",HTMLDOCUMENT_Writeln,1},
	{"getElementById",HTMLDOCUMENT_GetElementById,1},
	{"getElementsByName",HTMLDOCUMENT_GetElementsByName,1},
	{"open",HTMLDOCUMENT_Open,0},
	{"close",HTMLDOCUMENT_Close,0},

#if 0
	{"javaEnabled",          DocumentJavaEnabled,     0},
	{"taintEnabled",          DocumentTaintEnabled,     0},
	{"preference",          DocumentPreference,     0},
#endif
#if 0
	//following properties are NetScape's.
	{"getSelection",          NSHTMLDocumentGetSelection,     0},
	{"namedItem",          NSHTMLDocumentNamedItem,     0},
	{"clear",          NSHTMLDocumentClear,     0},
#endif	
	{"captureEvents",          NSHTMLDocumentCaptureEvents,     1},
	{"releaseEvents",          NSHTMLDocumentReleaseEvents,     1},
	{"routeEvent",          NSHTMLDocumentRouteEvent,     1},
	{0}
};

JSObject* InitDocumentClass(JSContext *cx,JSObject *globalObj,JSObject *proto)
{
	JSObject *Obj;
	Obj = JS_DefineObject (cx,globalObj, "document", &DocumentClass,proto,JSPROP_ENUMERATE);
    JS_DefineProperties (cx,Obj,DocumentProperties);
    JS_DefineFunctions (cx,Obj,DocumentMethods);
	return Obj;
}		


static JSBool HTMLDOCUMENT_GetElementByNameCommon(JSContext *cx, JSObject *obj, DOMString elementName,jsval *rval)
{
	DOM::HTMLDocumentImpl *pDoc;
	pDoc=mgJSGetDoc(cx);
	ElementImpl *eImpl;
	JSObject *protoObj=mgJSGetElementObj(cx);
	JSObject *parentObj=obj;
	eImpl=(ElementImpl*)((pDoc->getElementsByName(elementName))->item(0));	
	return HTML_NewObjectByElementCommon(cx,obj,protoObj,parentObj,eImpl,rval);
}

static JSBool HTMLDOCUMENT_GetElementByIdCommon(JSContext *cx, JSObject *obj, DOMString elementId,jsval *rval)
{
	DOM::HTMLDocumentImpl *pDoc;
	pDoc=mgJSGetDoc(cx);
	ElementImpl *eImpl;
	eImpl=pDoc->getElementById(elementId);
#if DEBUG_BY_XHTANG
fprintf(stderr,"doc.cpp ID:%s eImpl:%p\n",(const char*)elementId.string(),eImpl);
#endif
	JSObject *protoObj=mgJSGetElementObj(cx);
	JSObject *parentObj=obj;
	return HTML_NewObjectByElementCommon(cx,obj,protoObj,parentObj,eImpl,rval);
}

bool HTMLDOCUMENT_IsInternalMethod(char s[])
{
	return !strcmp(s,"write")||!strcmp(s,"writeln")
			||!strcmp(s,"getElementById")||!strcmp(s,"getElementsByName")
			||!strcmp(s,"open")||!strcmp(s,"close")
			||!strcmp(s,"javaEnabled")||!strcmp(s,"taintEnabled")
			||!strcmp(s,"preference");
}