1 /* 2 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. 3 * Copyright (C) 2008 Matt Lilek <webkit (at) 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 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 63 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 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 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 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 } 100 101 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 } 111 112 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