1 /*
2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
3 * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
4 * Copyright (C) 2009 Google Inc. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
16 * its contributors may be used to endorse or promote products derived
17 * from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32
33 #if ENABLE(DOM_STORAGE) && ENABLE(INSPECTOR)
34
35 #include "InspectorDOMStorageResource.h"
36
37 #include "Document.h"
38 #include "DOMWindow.h"
39 #include "EventNames.h"
40 #include "Frame.h"
41 #include "InspectorFrontend.h"
42 #include "ScriptObject.h"
43 #include "Storage.h"
44 #include "StorageEvent.h"
45
46 using namespace JSC;
47
48 namespace WebCore {
49
50 int InspectorDOMStorageResource::s_nextUnusedId = 1;
51
InspectorDOMStorageResource(Storage * domStorage,bool isLocalStorage,Frame * frame)52 InspectorDOMStorageResource::InspectorDOMStorageResource(Storage* domStorage, bool isLocalStorage, Frame* frame)
53 : EventListener(InspectorDOMStorageResourceType)
54 , m_domStorage(domStorage)
55 , m_isLocalStorage(isLocalStorage)
56 , m_frame(frame)
57 , m_frontend(0)
58 , m_id(s_nextUnusedId++)
59 , m_reportingChangesToFrontend(false)
60 {
61 }
62
isSameHostAndType(Frame * frame,bool isLocalStorage) const63 bool InspectorDOMStorageResource::isSameHostAndType(Frame* frame, bool isLocalStorage) const
64 {
65 return equalIgnoringCase(m_frame->document()->securityOrigin()->host(), frame->document()->securityOrigin()->host()) && m_isLocalStorage == isLocalStorage;
66 }
67
bind(InspectorFrontend * frontend)68 void InspectorDOMStorageResource::bind(InspectorFrontend* frontend)
69 {
70 ASSERT(!m_frontend);
71 m_frontend = frontend;
72
73 ScriptObject jsonObject = frontend->newScriptObject();
74 jsonObject.set("host", m_frame->document()->securityOrigin()->host());
75 jsonObject.set("isLocalStorage", m_isLocalStorage);
76 jsonObject.set("id", m_id);
77 frontend->addDOMStorage(jsonObject);
78 }
79
unbind()80 void InspectorDOMStorageResource::unbind()
81 {
82 if (!m_frontend)
83 return; // Already unbound.
84
85 if (m_reportingChangesToFrontend) {
86 m_frame->domWindow()->removeEventListener(eventNames().storageEvent, this, true);
87 m_reportingChangesToFrontend = false;
88 }
89 m_frontend = 0;
90 }
91
startReportingChangesToFrontend()92 void InspectorDOMStorageResource::startReportingChangesToFrontend()
93 {
94 ASSERT(m_frontend);
95 if (!m_reportingChangesToFrontend) {
96 m_frame->domWindow()->addEventListener(eventNames().storageEvent, this, true);
97 m_reportingChangesToFrontend = true;
98 }
99 }
100
handleEvent(ScriptExecutionContext *,Event * event)101 void InspectorDOMStorageResource::handleEvent(ScriptExecutionContext*, Event* event)
102 {
103 ASSERT(m_frontend);
104 ASSERT(eventNames().storageEvent == event->type());
105 StorageEvent* storageEvent = static_cast<StorageEvent*>(event);
106 Storage* storage = storageEvent->storageArea();
107 bool isLocalStorage = storage->frame()->domWindow()->localStorage() == storage;
108 if (isSameHostAndType(storage->frame(), isLocalStorage))
109 m_frontend->updateDOMStorage(m_id);
110 }
111
operator ==(const EventListener & listener)112 bool InspectorDOMStorageResource::operator==(const EventListener& listener)
113 {
114 return (this == InspectorDOMStorageResource::cast(&listener));
115 }
116
117 } // namespace WebCore
118
119 #endif // ENABLE(DOM_STORAGE) && ENABLE(INSPECTOR)
120
121