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 "KURL.h" 30 #include "ScriptCachedFrameData.h" 31 #include <wtf/PassOwnPtr.h> 32 #include <wtf/RefPtr.h> 33 34 namespace WebCore { 35 36 class CachedFrame; 37 class CachedFramePlatformData; 38 class Document; 39 class DocumentLoader; 40 class FrameView; 41 class Node; 42 43 typedef Vector<RefPtr<CachedFrame> > CachedFrameVector; 44 45 class CachedFrameBase { 46 public: 47 void restore(); 48 49 Document* document() const { return m_document.get(); } 50 FrameView* view() const { return m_view.get(); } 51 const KURL& url() const { return m_url; } 52 DOMWindow* domWindow() const { return m_cachedFrameScriptData->domWindow(); } 53 bool isMainFrame() { return m_isMainFrame; } 54 55 protected: 56 CachedFrameBase(Frame*); 57 ~CachedFrameBase(); 58 59 RefPtr<Document> m_document; 60 RefPtr<DocumentLoader> m_documentLoader; 61 RefPtr<FrameView> m_view; 62 RefPtr<Node> m_mousePressNode; 63 KURL m_url; 64 OwnPtr<ScriptCachedFrameData> m_cachedFrameScriptData; 65 OwnPtr<CachedFramePlatformData> m_cachedFramePlatformData; 66 bool m_isMainFrame; 67 68 CachedFrameVector m_childFrames; 69 }; 70 71 class CachedFrame : public RefCounted<CachedFrame>, private CachedFrameBase { 72 public: 73 static PassRefPtr<CachedFrame> create(Frame* frame) { return adoptRef(new CachedFrame(frame)); } 74 75 void open(); 76 void clear(); 77 void destroy(); 78 79 void setCachedFramePlatformData(PassOwnPtr<CachedFramePlatformData>); 80 CachedFramePlatformData* cachedFramePlatformData(); 81 82 using CachedFrameBase::document; 83 using CachedFrameBase::view; 84 using CachedFrameBase::url; 85 DocumentLoader* documentLoader() const { return m_documentLoader.get(); } 86 Node* mousePressNode() const { return m_mousePressNode.get(); } 87 88 int descendantFrameCount() const; 89 90 private: 91 CachedFrame(Frame*); 92 }; 93 94 } // namespace WebCore 95 96 #endif // CachedFrame_h 97