1 /*
2 * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #include "config.h"
21 #include "JSDocument.h"
22
23 #include "ExceptionCode.h"
24 #include "Frame.h"
25 #include "FrameLoader.h"
26 #include "HTMLDocument.h"
27 #include "JSCanvasRenderingContext2D.h"
28 #if ENABLE(WEBGL)
29 #include "JSWebGLRenderingContext.h"
30 #endif
31 #include "JSDOMWindowCustom.h"
32 #include "JSHTMLDocument.h"
33 #include "JSLocation.h"
34 #include "JSTouch.h"
35 #include "JSTouchList.h"
36 #include "Location.h"
37 #include "ScriptController.h"
38 #include "TouchList.h"
39
40 #if ENABLE(SVG)
41 #include "JSSVGDocument.h"
42 #include "SVGDocument.h"
43 #endif
44
45 #include <wtf/GetPtr.h>
46
47 using namespace JSC;
48
49 namespace WebCore {
50
markChildren(MarkStack & markStack)51 void JSDocument::markChildren(MarkStack& markStack)
52 {
53 JSNode::markChildren(markStack);
54
55 Document* document = impl();
56 JSGlobalData& globalData = *Heap::heap(this)->globalData();
57
58 markActiveObjectsForContext(markStack, globalData, document);
59 markDOMObjectWrapper(markStack, globalData, document->implementation());
60 markDOMObjectWrapper(markStack, globalData, document->styleSheets());
61 }
62
location(ExecState * exec) const63 JSValue JSDocument::location(ExecState* exec) const
64 {
65 Frame* frame = static_cast<Document*>(impl())->frame();
66 if (!frame)
67 return jsNull();
68
69 Location* location = frame->domWindow()->location();
70 if (JSDOMWrapper* wrapper = getCachedWrapper(currentWorld(exec), location))
71 return wrapper;
72
73 JSLocation* jsLocation = new (exec) JSLocation(getDOMStructure<JSLocation>(exec, globalObject()), globalObject(), location);
74 cacheWrapper(currentWorld(exec), location, jsLocation);
75 return jsLocation;
76 }
77
setLocation(ExecState * exec,JSValue value)78 void JSDocument::setLocation(ExecState* exec, JSValue value)
79 {
80 Frame* frame = static_cast<Document*>(impl())->frame();
81 if (!frame)
82 return;
83
84 String str = ustringToString(value.toString(exec));
85
86 Frame* lexicalFrame = asJSDOMWindow(exec->lexicalGlobalObject())->impl()->frame();
87
88 // IE and Mozilla both resolve the URL relative to the source frame,
89 // not the target frame.
90 Frame* activeFrame = asJSDOMWindow(exec->dynamicGlobalObject())->impl()->frame();
91 str = activeFrame->document()->completeURL(str).string();
92
93 frame->navigationScheduler()->scheduleLocationChange(lexicalFrame->document()->securityOrigin(),
94 str, activeFrame->loader()->outgoingReferrer(), !activeFrame->script()->anyPageIsProcessingUserGesture(), false);
95 }
96
toJS(ExecState * exec,JSDOMGlobalObject * globalObject,Document * document)97 JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, Document* document)
98 {
99 if (!document)
100 return jsNull();
101
102 JSDOMWrapper* wrapper = getCachedWrapper(currentWorld(exec), document);
103 if (wrapper)
104 return wrapper;
105
106 if (document->isHTMLDocument())
107 wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, HTMLDocument, document);
108 #if ENABLE(SVG)
109 else if (document->isSVGDocument())
110 wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, SVGDocument, document);
111 #endif
112 else
113 wrapper = CREATE_DOM_NODE_WRAPPER(exec, globalObject, Document, document);
114
115 // Make sure the document is kept around by the window object, and works right with the
116 // back/forward cache.
117 if (!document->frame()) {
118 size_t nodeCount = 0;
119 for (Node* n = document; n; n = n->traverseNextNode())
120 nodeCount++;
121
122 exec->heap()->reportExtraMemoryCost(nodeCount * sizeof(Node));
123 }
124
125 return wrapper;
126 }
127
128 #if ENABLE(TOUCH_EVENTS)
createTouchList(ExecState * exec)129 JSValue JSDocument::createTouchList(ExecState* exec)
130 {
131 RefPtr<TouchList> touchList = TouchList::create();
132
133 for (int i = 0; i < exec->argumentCount(); i++)
134 touchList->append(toTouch(exec->argument(i)));
135
136 return toJS(exec, touchList.release());
137 }
138 #endif
139
140 } // namespace WebCore
141