1/* 2 * Copyright (C) 2009, 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef CachedFrame_h 27#define CachedFrame_h 28 29#include "DOMWindow.h" 30#include "KURL.h" 31#include "ScriptCachedFrameData.h" 32#include <wtf/PassOwnPtr.h> 33#include <wtf/RefCounted.h> 34#include <wtf/RefPtr.h> 35 36namespace WebCore { 37 38class CachedFrame; 39class CachedFramePlatformData; 40class Document; 41class DocumentLoader; 42class FrameView; 43class Node; 44 45typedef Vector<RefPtr<CachedFrame> > CachedFrameVector; 46 47class CachedFrameBase { 48public: 49 void restore(); 50 51 Document* document() const { return m_document.get(); } 52 FrameView* view() const { return m_view.get(); } 53 const KURL& url() const { return m_url; } 54 bool isMainFrame() { return m_isMainFrame; } 55 56protected: 57 CachedFrameBase(Frame*); 58 ~CachedFrameBase(); 59 60 RefPtr<Document> m_document; 61 RefPtr<DocumentLoader> m_documentLoader; 62 RefPtr<FrameView> m_view; 63 RefPtr<Node> m_mousePressNode; 64 KURL m_url; 65 OwnPtr<ScriptCachedFrameData> m_cachedFrameScriptData; 66 OwnPtr<CachedFramePlatformData> m_cachedFramePlatformData; 67 bool m_isMainFrame; 68#if USE(ACCELERATED_COMPOSITING) 69 bool m_isComposited; 70#endif 71 72 CachedFrameVector m_childFrames; 73}; 74 75class CachedFrame : public RefCounted<CachedFrame>, private CachedFrameBase { 76public: 77 static PassRefPtr<CachedFrame> create(Frame* frame) { return adoptRef(new CachedFrame(frame)); } 78 79 void open(); 80 void clear(); 81 void destroy(); 82 83 void setCachedFramePlatformData(PassOwnPtr<CachedFramePlatformData>); 84 CachedFramePlatformData* cachedFramePlatformData(); 85 86 using CachedFrameBase::document; 87 using CachedFrameBase::view; 88 using CachedFrameBase::url; 89 DocumentLoader* documentLoader() const { return m_documentLoader.get(); } 90 Node* mousePressNode() const { return m_mousePressNode.get(); } 91 92 int descendantFrameCount() const; 93 94private: 95 explicit CachedFrame(Frame*); 96}; 97 98} // namespace WebCore 99 100#endif // CachedFrame_h 101