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 #ifndef ScriptCachedFrameData_h 33 #define ScriptCachedFrameData_h 34 35 #include <runtime/Protect.h> 36 37 namespace WebCore { 38 class Frame; 39 class JSDOMWindow; 40 class DOMWindow; 41 class DOMWrapperWorld; 42 43 class ScriptCachedFrameData : public Noncopyable { 44 typedef HashMap< RefPtr<DOMWrapperWorld>, JSC::ProtectedPtr<JSDOMWindow> > JSDOMWindowSet; 45 46 public: 47 ScriptCachedFrameData(Frame*); 48 ~ScriptCachedFrameData(); 49 50 void restore(Frame*); 51 void clear(); 52 DOMWindow* domWindow() const; 53 54 private: 55 JSDOMWindowSet m_windows; 56 DOMWindow* m_domWindow; 57 }; 58 59 } // namespace WebCore 60 61 #endif // ScriptCachedFrameData_h 62