1 /* 2 * Copyright (C) 2009 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/RefPtr.h> 32 33 namespace WebCore { 34 35 class CachedFrame; 36 class CachedFramePlatformData; 37 class Document; 38 class DocumentLoader; 39 class FrameView; 40 class Node; 41 42 typedef Vector<RefPtr<CachedFrame> > CachedFrameVector; 43 44 class CachedFrameBase { 45 public: 46 void restore(); 47 document()48 Document* document() const { return m_document.get(); } view()49 FrameView* view() const { return m_view.get(); } url()50 const KURL& url() const { return m_url; } domWindow()51 DOMWindow* domWindow() const { return m_cachedFrameScriptData->domWindow(); } isMainFrame()52 bool isMainFrame() { return m_isMainFrame; } 53 54 protected: 55 CachedFrameBase(Frame*); 56 ~CachedFrameBase(); 57 58 RefPtr<Document> m_document; 59 RefPtr<DocumentLoader> m_documentLoader; 60 RefPtr<FrameView> m_view; 61 RefPtr<Node> m_mousePressNode; 62 KURL m_url; 63 OwnPtr<ScriptCachedFrameData> m_cachedFrameScriptData; 64 OwnPtr<CachedFramePlatformData> m_cachedFramePlatformData; 65 bool m_isMainFrame; 66 67 CachedFrameVector m_childFrames; 68 }; 69 70 class CachedFrame : public RefCounted<CachedFrame>, private CachedFrameBase { 71 public: create(Frame * frame)72 static PassRefPtr<CachedFrame> create(Frame* frame) { return adoptRef(new CachedFrame(frame)); } 73 74 void open(); 75 void clear(); 76 void destroy(); 77 78 void setCachedFramePlatformData(CachedFramePlatformData* data); 79 CachedFramePlatformData* cachedFramePlatformData(); 80 81 using CachedFrameBase::document; 82 using CachedFrameBase::view; documentLoader()83 DocumentLoader* documentLoader() const { return m_documentLoader.get(); } mousePressNode()84 Node* mousePressNode() const { return m_mousePressNode.get(); } 85 86 int descendantFrameCount() const; 87 88 private: 89 CachedFrame(Frame*); 90 }; 91 92 } // namespace WebCore 93 94 #endif // CachedFrame_h 95