1/* 2 * Copyright (C) 2014 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 INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef RemoteScrollingCoordinatorTransaction_h 27#define RemoteScrollingCoordinatorTransaction_h 28 29#include <WebCore/ScrollingStateTree.h> 30#include <wtf/OwnPtr.h> 31#include <wtf/PassOwnPtr.h> 32 33namespace IPC { 34class ArgumentDecoder; 35class ArgumentEncoder; 36} 37 38namespace WebKit { 39 40class RemoteScrollingCoordinatorTransaction { 41public: 42 43#if ENABLE(ASYNC_SCROLLING) 44 void setStateTreeToEncode(PassOwnPtr<WebCore::ScrollingStateTree> stateTree) { m_scrollingStateTree = stateTree; } 45 OwnPtr<WebCore::ScrollingStateTree>& scrollingStateTree() { return m_scrollingStateTree; } 46#endif // ENABLE(ASYNC_SCROLLING) 47 48 void encode(IPC::ArgumentEncoder&) const; 49 static bool decode(IPC::ArgumentDecoder&, RemoteScrollingCoordinatorTransaction&); 50 51#if !defined(NDEBUG) || !LOG_DISABLED 52 WTF::CString description() const; 53 void dump() const; 54#endif 55 56private: 57#if ENABLE(ASYNC_SCROLLING) 58 bool decode(IPC::ArgumentDecoder&); 59 60 OwnPtr<WebCore::ScrollingStateTree> m_scrollingStateTree; 61#endif // ENABLE(ASYNC_SCROLLING) 62}; 63 64} // namespace WebKit 65 66#endif // RemoteScrollingCoordinatorTransaction_h 67