/* * Copyright (C) 2011-2014 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 TileCoverageMap_h #define TileCoverageMap_h #include "FloatRect.h" #include "IntRect.h" #include "PlatformCALayer.h" #include "PlatformCALayerClient.h" #include <wtf/Noncopyable.h> #include <wtf/PassOwnPtr.h> #include <wtf/RetainPtr.h> namespace WebCore { class FloatRect; class IntPoint; class IntRect; class TileController; class TileCoverageMap : public PlatformCALayerClient { WTF_MAKE_NONCOPYABLE(TileCoverageMap); WTF_MAKE_FAST_ALLOCATED; public: TileCoverageMap(const TileController&); ~TileCoverageMap(); void update(); void setPosition(const FloatPoint& position) { m_position = position; } PlatformCALayer& layer() { return m_layer.get(); } void setDeviceScaleFactor(float); private: // PlatformCALayerClient virtual GraphicsLayer::CompositingCoordinatesOrientation platformCALayerContentsOrientation() const override { return GraphicsLayer::CompositingCoordinatesTopDown; } virtual bool platformCALayerContentsOpaque() const override { return true; } virtual bool platformCALayerDrawsContent() const override { return true; } virtual void platformCALayerPaintContents(PlatformCALayer*, GraphicsContext&, const FloatRect&) override; virtual float platformCALayerDeviceScaleFactor() const override; const TileController& m_controller; Ref<PlatformCALayer> m_layer; Ref<PlatformCALayer> m_visibleRectIndicatorLayer; FloatPoint m_position; }; } #endif