1/* 2 * Copyright (c) 2008, Google Inc. All rights reserved. 3 * Copyright (C) 2008 Apple Inc. All Rights Reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * * Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following disclaimer 13 * in the documentation and/or other materials provided with the 14 * distribution. 15 * * Neither the name of Google Inc. nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32#include "config.h" 33#include "ScriptCachedFrameData.h" 34 35#include "Frame.h" 36#include "GCController.h" 37#include "Page.h" 38#include "PageGroup.h" 39#include <runtime/JSLock.h> 40#include "ScriptController.h" 41 42using namespace JSC; 43 44namespace WebCore { 45 46ScriptCachedFrameData::ScriptCachedFrameData(Frame* frame) 47 : m_domWindow(0) 48{ 49 JSLock lock(SilenceAssertionsOnly); 50 51 ScriptController* scriptController = frame->script(); 52 ScriptController::ShellMap& windowShells = scriptController->m_windowShells; 53 54 ScriptController::ShellMap::iterator windowShellsEnd = windowShells.end(); 55 for (ScriptController::ShellMap::iterator iter = windowShells.begin(); iter != windowShellsEnd; ++iter) { 56 JSDOMWindow* window = iter->second->window(); 57 m_windows.add(iter->first.get(), Strong<JSDOMWindow>(window->globalData(), window)); 58 m_domWindow = window->impl(); 59 } 60 61 scriptController->attachDebugger(0); 62} 63 64DOMWindow* ScriptCachedFrameData::domWindow() const 65{ 66 return m_domWindow; 67} 68 69ScriptCachedFrameData::~ScriptCachedFrameData() 70{ 71 clear(); 72} 73 74void ScriptCachedFrameData::restore(Frame* frame) 75{ 76 JSLock lock(SilenceAssertionsOnly); 77 78 ScriptController* scriptController = frame->script(); 79 ScriptController::ShellMap& windowShells = scriptController->m_windowShells; 80 81 ScriptController::ShellMap::iterator windowShellsEnd = windowShells.end(); 82 for (ScriptController::ShellMap::iterator iter = windowShells.begin(); iter != windowShellsEnd; ++iter) { 83 DOMWrapperWorld* world = iter->first.get(); 84 JSDOMWindowShell* windowShell = iter->second.get(); 85 86 if (JSDOMWindow* window = m_windows.get(world).get()) 87 windowShell->setWindow(window->globalData(), window); 88 else { 89 windowShell->setWindow(frame->domWindow()); 90 91 if (Page* page = frame->page()) { 92 scriptController->attachDebugger(windowShell, page->debugger()); 93 windowShell->window()->setProfileGroup(page->group().identifier()); 94 } 95 } 96 } 97} 98 99void ScriptCachedFrameData::clear() 100{ 101 if (m_windows.isEmpty()) 102 return; 103 104 JSLock lock(SilenceAssertionsOnly); 105 m_windows.clear(); 106 gcController().garbageCollectSoon(); 107} 108 109} // namespace WebCore 110