/* * Copyright (C) 2011 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef LayerTreeContext_h #define LayerTreeContext_h #include <stdint.h> namespace CoreIPC { class ArgumentDecoder; class ArgumentEncoder; } namespace WebKit { enum LayerHostingMode { LayerHostingModeDefault, #if HAVE(LAYER_HOSTING_IN_WINDOW_SERVER) LayerHostingModeInWindowServer #endif }; class LayerTreeContext { public: LayerTreeContext(); ~LayerTreeContext(); void encode(CoreIPC::ArgumentEncoder&) const; static bool decode(CoreIPC::ArgumentDecoder&, LayerTreeContext&); bool isEmpty() const; #if PLATFORM(MAC) uint32_t contextID; #elif PLATFORM(QT) uint32_t coordinatedLayerID; #elif PLATFORM(GTK) uint64_t windowHandle; #elif PLATFORM(EFL) uint32_t coordinatedLayerID; #endif }; bool operator==(const LayerTreeContext&, const LayerTreeContext&); inline bool operator!=(const LayerTreeContext& a, const LayerTreeContext& b) { return !(a == b); } }; #endif // LayerTreeContext_h