1/* 2 3Copyright (C) 2013 Apple Inc. All rights reserved. 4 5Redistribution and use in source and binary forms, with or without 6modification, are permitted provided that the following conditions 7are met: 81. Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 102. Redistributions in binary form must reproduce the above copyright 11 notice, this list of conditions and the following disclaimer in the 12 documentation and/or other materials provided with the distribution. 13 14THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 15EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 21ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 23SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 25*/ 26 27#ifndef MainFrame_h 28#define MainFrame_h 29 30#include "Frame.h" 31 32namespace WebCore { 33 34class MainFrame final : public Frame { 35public: 36 static RefPtr<MainFrame> create(Page&, FrameLoaderClient&); 37 38 void selfOnlyRef(); 39 void selfOnlyDeref(); 40 41private: 42 MainFrame(Page&, FrameLoaderClient&); 43 44 void dropChildren(); 45 46 unsigned m_selfOnlyRefCount; 47}; 48 49inline bool Frame::isMainFrame() const 50{ 51 return this == &m_mainFrame; 52} 53 54} 55 56#endif 57