| /* |
| * 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 WebContentLayerClient_h |
| #define WebContentLayerClient_h |
| |
| #include "WebCanvas.h" |
| #include "WebCommon.h" |
| |
| namespace blink { |
| |
| class WebDisplayItemList; |
| struct WebRect; |
| |
| class BLINK_PLATFORM_EXPORT WebContentLayerClient { |
| public: |
| enum GraphicsContextStatus { GraphicsContextEnabled, GraphicsContextDisabled }; |
| enum PaintingControlSetting { PaintDefaultBehavior, DisplayListConstructionDisabled, DisplayListCachingDisabled }; |
| |
| // Temporary until we rename the GraphicsContextStatus on the chromium side. |
| void paintContents(WebCanvas* canvas, const WebRect& clip, GraphicsContextStatus status = GraphicsContextEnabled) |
| { |
| paintContents(canvas, clip, |
| status == GraphicsContextEnabled ? PaintDefaultBehavior : DisplayListConstructionDisabled); |
| } |
| |
| // Temporary until we rename the GraphicsContextStatus on the chromium side. |
| void paintContents( |
| WebDisplayItemList* itemList, |
| const WebRect& clip, |
| GraphicsContextStatus status = GraphicsContextEnabled) |
| { |
| paintContents(itemList, clip, |
| status == GraphicsContextEnabled ? PaintDefaultBehavior : DisplayListConstructionDisabled); |
| } |
| |
| // Paints the content area for the layer, typically dirty rects submitted |
| // through WebContentLayer::setNeedsDisplay, submitting drawing commands |
| // through the WebCanvas. |
| // The canvas is already clipped to the |clip| rect. |
| // The |PaintingControlSetting| enum controls painting to isolate different components in performance tests. |
| virtual void paintContents(WebCanvas*, const WebRect& clip, PaintingControlSetting = PaintDefaultBehavior) = 0; |
| |
| // Paints the content area for the layer, typically dirty rects submitted |
| // through WebContentLayer::setNeedsDisplayInRect, submitting drawing commands |
| // to populate the WebDisplayItemList. |
| // The |clip| rect defines the region of interest. The resulting WebDisplayItemList should contain |
| // sufficient content to correctly paint the rect, but may also contain other content. The result |
| // will be clipped on playback. |
| // The |PaintingControlSetting| enum controls painting to isolate different components in performance tests. |
| // Currently the DisplayListConstructionDisabled does nothing. |
| virtual void paintContents( |
| WebDisplayItemList*, |
| const WebRect& clip, |
| PaintingControlSetting = PaintDefaultBehavior) = 0; |
| |
| protected: |
| virtual ~WebContentLayerClient() { } |
| }; |
| |
| } // namespace blink |
| |
| #endif // WebContentLayerClient_h |