1 // Copyright 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CC_LAYERS_CONTENT_LAYER_CLIENT_H_ 6 #define CC_LAYERS_CONTENT_LAYER_CLIENT_H_ 7 8 #include "cc/base/cc_export.h" 9 10 class SkCanvas; 11 12 namespace gfx { 13 class Rect; 14 class RectF; 15 } 16 17 namespace cc { 18 19 class CC_EXPORT ContentLayerClient { 20 public: 21 virtual void PaintContents(SkCanvas* canvas, 22 gfx::Rect clip, 23 gfx::RectF* opaque) = 0; 24 25 // Called by the content layer during the update phase. 26 // If the client paints LCD text, it may want to invalidate the layer. 27 virtual void DidChangeLayerCanUseLCDText() = 0; 28 29 protected: ~ContentLayerClient()30 virtual ~ContentLayerClient() {} 31 }; 32 33 } // namespace cc 34 35 #endif // CC_LAYERS_CONTENT_LAYER_CLIENT_H_ 36