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 "DOMWindow.h"
38 #include "EventNames.h"
39 #include "Frame.h"
40 #include "InspectorFrontend.h"
41 #include "InspectorValues.h"
42 #include "Storage.h"
43 #include "StorageEvent.h"
44
45 using namespace JSC;
46
47 namespace WebCore {
48
49 int InspectorDOMStorageResource::s_nextUnusedId = 1;
50
InspectorDOMStorageResource(Storage * domStorage,bool isLocalStorage,Frame * frame)51 InspectorDOMStorageResource::InspectorDOMStorageResource(Storage* domStorage, bool isLocalStorage, Frame* frame)
52 : EventListener(InspectorDOMStorageResourceType)
53 , m_domStorage(domStorage)
54 , m_isLocalStorage(isLocalStorage)
55 , m_frame(frame)
56 , m_frontend(0)
57 , m_id(s_nextUnusedId++)
58 , m_reportingChangesToFrontend(false)
59 {
60 }
61
isSameHostAndType(Frame * frame,bool isLocalStorage) const62 bool InspectorDOMStorageResource::isSameHostAndType(Frame* frame, bool isLocalStorage) const
63 {
64 return equalIgnoringCase(m_frame->document()->securityOrigin()->host(), frame->document()->securityOrigin()->host()) && m_isLocalStorage == isLocalStorage;
65 }
66
bind(InspectorFrontend * frontend)67 void InspectorDOMStorageResource::bind(InspectorFrontend* frontend)
68 {
69 ASSERT(!m_frontend);
70 m_frontend = frontend->domstorage();
71
72 RefPtr<InspectorObject> jsonObject = InspectorObject::create();
73 jsonObject->setString("host", m_frame->document()->securityOrigin()->host());
74 jsonObject->setBoolean("isLocalStorage", m_isLocalStorage);
75 jsonObject->setNumber("id", m_id);
76 m_frontend->addDOMStorage(jsonObject);
77 }
78
unbind()79 void InspectorDOMStorageResource::unbind()
80 {
81 if (!m_frontend)
82 return; // Already unbound.
83
84 if (m_reportingChangesToFrontend) {
85 m_frame->domWindow()->removeEventListener(eventNames().storageEvent, this, true);
86 m_reportingChangesToFrontend = false;
87 }
88 m_frontend = 0;
89 }
90
startReportingChangesToFrontend()91 void InspectorDOMStorageResource::startReportingChangesToFrontend()
92 {
93 ASSERT(m_frontend);
94 if (!m_reportingChangesToFrontend) {
95 m_frame->domWindow()->addEventListener(eventNames().storageEvent, this, true);
96 m_reportingChangesToFrontend = true;
97 }
98 }
99
handleEvent(ScriptExecutionContext *,Event * event)100 void InspectorDOMStorageResource::handleEvent(ScriptExecutionContext*, Event* event)
101 {
102 ASSERT(m_frontend);
103 if (event->type() != eventNames().storageEvent || !event->isStorageEvent())
104 return;
105
106 StorageEvent* storageEvent = static_cast<StorageEvent*>(event);
107 Storage* storage = storageEvent->storageArea();
108 ExceptionCode ec = 0;
109 bool isLocalStorage = (storage->frame()->domWindow()->localStorage(ec) == storage && !ec);
110 if (isSameHostAndType(storage->frame(), isLocalStorage))
111 m_frontend->updateDOMStorage(m_id);
112 }
113
operator ==(const EventListener & listener)114 bool InspectorDOMStorageResource::operator==(const EventListener& listener)
115 {
116 return (this == InspectorDOMStorageResource::cast(&listener));
117 }
118
119 } // namespace WebCore
120
121 #endif // ENABLE(DOM_STORAGE) && ENABLE(INSPECTOR)
122
123