/* * Copyright (C) 2013 Research In Motion Limited. 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 ScrollingCoordinatorBlackBerry_h #define ScrollingCoordinatorBlackBerry_h #include "ScrollingCoordinator.h" namespace WebCore { class ScrollingCoordinatorBlackBerry : public ScrollingCoordinator { public: explicit ScrollingCoordinatorBlackBerry(Page*); // Should be called whenever the given frame view has been laid out. virtual void frameViewLayoutUpdated(FrameView*); // Return whether this scrolling coordinator can keep fixed position layers fixed to their // containers while scrolling. virtual bool supportsFixedPositionLayers() const { return true; } // Mark/unmark a layer as a container for fixed position layers. virtual void setLayerIsContainerForFixedPositionLayers(GraphicsLayer*, bool); // Attach/detach layer position to ancestor fixed position container. virtual void setLayerIsFixedToContainerLayer(GraphicsLayer*, bool); // Whether the layer is fixed the top or bottom edge, left or right edge. void setLayerFixedToContainerLayerEdge(GraphicsLayer*, bool fixedToTop, bool fixedToLeft); }; } // namespace WebCore #endif // ScrollingCoordinatorBlackBerry_h