content_layer_client.h revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd
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 10class SkCanvas; 11 12namespace gfx { 13class Rect; 14class RectF; 15} 16 17namespace cc { 18 19class 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: 30 virtual ~ContentLayerClient() {} 31}; 32 33} 34 35#endif // CC_LAYERS_CONTENT_LAYER_CLIENT_H_ 36