| /* |
| * Copyright (C) 2011 Google 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 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 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 WebContentLayer_h |
| #define WebContentLayer_h |
| |
| #include "WebCommon.h" |
| #include "WebLayer.h" |
| |
| namespace blink { |
| |
| class WebContentLayer { |
| public: |
| virtual ~WebContentLayer() { } |
| |
| // The WebContentLayer has ownership of this wrapper. |
| virtual WebLayer* layer() = 0; |
| |
| // Set to true if the backside of this layer's contents should be visible when composited. |
| // Defaults to false. |
| virtual void setDoubleSided(bool) = 0; |
| |
| // Allow the compositor to determine the scale at which the layer should |
| // be rasterized based on the layer's hierarchy and transform. This defaults |
| // to false. |
| virtual void setAutomaticallyComputeRasterScale(bool) { } |
| |
| // Set to draw a system-defined checkerboard if the compositor would otherwise draw a tile in this layer |
| // and the actual contents are unavailable. If false, the compositor will draw the layer's background color |
| // for these tiles. |
| // Defaults to false. |
| virtual void setDrawCheckerboardForMissingTiles(bool) = 0; |
| }; |
| |
| } // namespace blink |
| |
| #endif // WebContentLayer_h |