310 lines
7.5 KiB
C++
310 lines
7.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "jsapi.h"
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#include "nscore.h"
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#include "nsIScriptContext.h"
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#include "nsIJSScriptObject.h"
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#include "nsIScriptObjectOwner.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIPtr.h"
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#include "nsString.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMWindow.h"
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static NS_DEFINE_IID(kIScriptObjectOwnerIID, NS_ISCRIPTOBJECTOWNER_IID);
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static NS_DEFINE_IID(kIJSScriptObjectIID, NS_IJSSCRIPTOBJECT_IID);
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static NS_DEFINE_IID(kIScriptGlobalObjectIID, NS_ISCRIPTGLOBALOBJECT_IID);
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static NS_DEFINE_IID(kIDocumentIID, NS_IDOMDOCUMENT_IID);
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static NS_DEFINE_IID(kIWindowIID, NS_IDOMWINDOW_IID);
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NS_DEF_PTR(nsIDOMDocument);
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NS_DEF_PTR(nsIDOMWindow);
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//
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// Window property ids
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//
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enum Window_slots {
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WINDOW_DOCUMENT = -11
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};
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/***********************************************************************/
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//
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// Window Properties Getter
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//
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PR_STATIC_CALLBACK(JSBool)
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GetWindowProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
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{
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nsIDOMWindow *a = (nsIDOMWindow*)JS_GetPrivate(cx, obj);
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NS_ASSERTION(nsnull != a, "null pointer");
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if (JSVAL_IS_INT(id)) {
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switch(JSVAL_TO_INT(id)) {
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case WINDOW_DOCUMENT:
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{
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nsIDOMDocument* prop;
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if (NS_OK == a->GetDocument(&prop)) {
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// get the js object
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if (prop != nsnull) {
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nsIScriptObjectOwner *owner = nsnull;
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if (NS_OK == prop->QueryInterface(kIScriptObjectOwnerIID, (void**)&owner)) {
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JSObject *object = nsnull;
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nsIScriptContext *script_cx = (nsIScriptContext *)JS_GetContextPrivate(cx);
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if (NS_OK == owner->GetScriptObject(script_cx, (void**)&object)) {
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// set the return value
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*vp = OBJECT_TO_JSVAL(object);
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}
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NS_RELEASE(owner);
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}
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NS_RELEASE(prop);
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}
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else {
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*vp = JSVAL_NULL;
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}
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}
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else {
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return JS_FALSE;
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}
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break;
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}
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default:
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{
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nsIJSScriptObject *object;
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if (NS_OK == a->QueryInterface(kIJSScriptObjectIID, (void**)&object)) {
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PRBool rval;
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rval = object->GetProperty(cx, id, vp);
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NS_RELEASE(object);
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return rval;
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}
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}
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}
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}
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return PR_TRUE;
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}
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/***********************************************************************/
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//
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// Window Properties Setter
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//
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PR_STATIC_CALLBACK(JSBool)
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SetWindowProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
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{
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nsIDOMWindow *a = (nsIDOMWindow*)JS_GetPrivate(cx, obj);
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NS_ASSERTION(nsnull != a, "null pointer");
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if (JSVAL_IS_INT(id)) {
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switch(JSVAL_TO_INT(id)) {
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case 0:
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default:
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{
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nsIJSScriptObject *object;
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if (NS_OK == a->QueryInterface(kIJSScriptObjectIID, (void**)&object)) {
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PRBool rval;
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rval = object->SetProperty(cx, id, vp);
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NS_RELEASE(object);
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return rval;
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}
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}
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}
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}
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return PR_TRUE;
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}
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//
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// Window finalizer
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//
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PR_STATIC_CALLBACK(void)
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FinalizeWindow(JSContext *cx, JSObject *obj)
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{
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}
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//
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// Window enumerate
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//
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PR_STATIC_CALLBACK(JSBool)
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EnumerateWindow(JSContext *cx, JSObject *obj)
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{
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nsIDOMWindow *a = (nsIDOMWindow*)JS_GetPrivate(cx, obj);
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if (nsnull != a) {
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// get the js object
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nsIJSScriptObject *object;
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if (NS_OK == a->QueryInterface(kIJSScriptObjectIID, (void**)&object)) {
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object->EnumerateProperty(cx);
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NS_RELEASE(object);
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}
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}
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return JS_TRUE;
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}
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//
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// Window resolve
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//
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PR_STATIC_CALLBACK(JSBool)
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ResolveWindow(JSContext *cx, JSObject *obj, jsval id)
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{
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nsIDOMWindow *a = (nsIDOMWindow*)JS_GetPrivate(cx, obj);
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if (nsnull != a) {
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// get the js object
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nsIJSScriptObject *object;
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if (NS_OK == a->QueryInterface(kIJSScriptObjectIID, (void**)&object)) {
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object->Resolve(cx, id);
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NS_RELEASE(object);
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}
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}
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return JS_TRUE;
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}
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//
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// Native method Dump
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//
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PR_STATIC_CALLBACK(JSBool)
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WindowDump(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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nsIDOMWindow *nativeThis = (nsIDOMWindow*)JS_GetPrivate(cx, obj);
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NS_ASSERTION(nsnull != nativeThis, "null pointer");
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JSBool rBool = JS_FALSE;
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nsAutoString b0;
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*rval = JSVAL_NULL;
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if (argc >= 1) {
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JSString *jsstring0 = JS_ValueToString(cx, argv[0]);
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if (nsnull != jsstring0) {
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b0.SetString(JS_GetStringChars(jsstring0));
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}
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else {
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b0.SetString(""); // Should this really be null??
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}
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if (NS_OK != nativeThis->Dump(b0)) {
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return JS_FALSE;
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}
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*rval = JSVAL_VOID;
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}
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else {
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return JS_FALSE;
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}
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return JS_TRUE;
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}
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/***********************************************************************/
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//
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// class for Window
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//
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JSClass WindowClass = {
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"Window",
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JSCLASS_HAS_PRIVATE,
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JS_PropertyStub,
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JS_PropertyStub,
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GetWindowProperty,
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SetWindowProperty,
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EnumerateWindow,
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ResolveWindow,
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JS_ConvertStub,
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FinalizeWindow
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};
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//
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// Window class properties
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//
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static JSPropertySpec WindowProperties[] =
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{
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{"document", WINDOW_DOCUMENT, JSPROP_ENUMERATE | JSPROP_READONLY},
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{0}
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};
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//
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// Window class methods
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//
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static JSFunctionSpec WindowMethods[] =
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{
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{"dump", WindowDump, 1},
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{0}
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};
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//
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// Window constructor
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//
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PR_STATIC_CALLBACK(JSBool)
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Window(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
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{
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return JS_TRUE;
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}
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//
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// Window class initialization
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//
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nsresult NS_InitWindowClass(nsIScriptContext *aContext,
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nsIScriptGlobalObject *aGlobal)
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{
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JSContext *jscontext = (JSContext *)aContext->GetNativeContext();
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JSObject *global = JS_GetGlobalObject(jscontext);
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JS_DefineProperties(jscontext, global, WindowProperties);
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JS_DefineFunctions(jscontext, global, WindowMethods);
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return NS_OK;
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}
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//
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// Method for creating a new Window JavaScript object
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//
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extern "C" NS_DOM NS_NewScriptWindow(nsIScriptContext *aContext, nsIDOMWindow *aSupports, nsISupports *aParent, void **aReturn)
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{
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NS_PRECONDITION(nsnull != aContext && nsnull != aSupports && nsnull != aReturn, "null arg");
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JSContext *jscontext = (JSContext *)aContext->GetNativeContext();
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JSObject *global = ::JS_NewObject(jscontext, &WindowClass, NULL, NULL);
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if (global) {
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// The global object has a to be defined in two step:
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// 1- create a generic object, with no prototype and no parent which
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// will be passed to JS_InitStandardClasses. JS_InitStandardClasses
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// will make it the global object
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// 2- define the global object to be what you really want it to be.
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//
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// The js runtime is not fully initialized before JS_InitStandardClasses
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// is called, so part of the global object initialization has to be moved
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// after JS_InitStandardClasses
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// assign "this" to the js object, don't AddRef
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::JS_SetPrivate(jscontext, global, aSupports);
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*aReturn = (void*)global;
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return NS_OK;
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}
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return NS_ERROR_FAILURE;
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}
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