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 "JSDOMWindowCustom.h"
28 #include "JSHTMLDocument.h"
29 #include "JSLocation.h"
30 #include "Location.h"
31 #include "ScriptController.h"
32
33 #if ENABLE(SVG)
34 #include "JSSVGDocument.h"
35 #include "SVGDocument.h"
36 #endif
37
38 using namespace JSC;
39
40 namespace WebCore {
41
markChildren(MarkStack & markStack)42 void JSDocument::markChildren(MarkStack& markStack)
43 {
44 JSNode::markChildren(markStack);
45 markDOMNodesForDocument(markStack, impl());
46 markActiveObjectsForContext(markStack, *Heap::heap(this)->globalData(), impl());
47 }
48
location(ExecState * exec) const49 JSValue JSDocument::location(ExecState* exec) const
50 {
51 Frame* frame = static_cast<Document*>(impl())->frame();
52 if (!frame)
53 return jsNull();
54
55 Location* location = frame->domWindow()->location();
56 if (DOMObject* wrapper = getCachedDOMObjectWrapper(exec->globalData(), location))
57 return wrapper;
58
59 JSLocation* jsLocation = new (exec) JSLocation(getDOMStructure<JSLocation>(exec, globalObject()), globalObject(), location);
60 cacheDOMObjectWrapper(exec->globalData(), location, jsLocation);
61 return jsLocation;
62 }
63
setLocation(ExecState * exec,JSValue value)64 void JSDocument::setLocation(ExecState* exec, JSValue value)
65 {
66 Frame* frame = static_cast<Document*>(impl())->frame();
67 if (!frame)
68 return;
69
70 String str = value.toString(exec);
71
72 // IE and Mozilla both resolve the URL relative to the source frame,
73 // not the target frame.
74 Frame* activeFrame = asJSDOMWindow(exec->dynamicGlobalObject())->impl()->frame();
75 if (activeFrame)
76 str = activeFrame->document()->completeURL(str).string();
77
78 bool userGesture = activeFrame->script()->processingUserGesture();
79 frame->loader()->scheduleLocationChange(str, activeFrame->loader()->outgoingReferrer(), !activeFrame->script()->anyPageIsProcessingUserGesture(), false, userGesture);
80 }
81
toJS(ExecState * exec,JSDOMGlobalObject * globalObject,Document * document)82 JSValue toJS(ExecState* exec, JSDOMGlobalObject* globalObject, Document* document)
83 {
84 if (!document)
85 return jsNull();
86
87 DOMObject* wrapper = getCachedDOMObjectWrapper(exec->globalData(), document);
88 if (wrapper)
89 return wrapper;
90
91 if (document->isHTMLDocument())
92 wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, globalObject, HTMLDocument, document);
93 #if ENABLE(SVG)
94 else if (document->isSVGDocument())
95 wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, globalObject, SVGDocument, document);
96 #endif
97 else
98 wrapper = CREATE_DOM_OBJECT_WRAPPER(exec, globalObject, Document, document);
99
100 // Make sure the document is kept around by the window object, and works right with the
101 // back/forward cache.
102 if (!document->frame()) {
103 size_t nodeCount = 0;
104 for (Node* n = document; n; n = n->traverseNextNode())
105 nodeCount++;
106
107 exec->heap()->reportExtraMemoryCost(nodeCount * sizeof(Node));
108 }
109
110 return wrapper;
111 }
112
113 } // namespace WebCore
114