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_PICTURE_LAYER_H_ 6 #define CC_LAYERS_PICTURE_LAYER_H_ 7 8 #include "cc/base/invalidation_region.h" 9 #include "cc/debug/devtools_instrumentation.h" 10 #include "cc/debug/micro_benchmark_controller.h" 11 #include "cc/layers/layer.h" 12 #include "cc/resources/picture_pile.h" 13 #include "cc/trees/occlusion_tracker.h" 14 15 namespace cc { 16 17 class ContentLayerClient; 18 class ResourceUpdateQueue; 19 20 class CC_EXPORT PictureLayer : public Layer { 21 public: 22 static scoped_refptr<PictureLayer> Create(ContentLayerClient* client); 23 24 void ClearClient(); 25 26 // Layer interface. 27 virtual scoped_ptr<LayerImpl> CreateLayerImpl( 28 LayerTreeImpl* tree_impl) OVERRIDE; 29 virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE; 30 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE; 31 virtual void SetNeedsDisplayRect(const gfx::RectF& layer_rect) OVERRIDE; 32 virtual bool Update(ResourceUpdateQueue* queue, 33 const OcclusionTracker<Layer>* occlusion) OVERRIDE; 34 virtual void SetIsMask(bool is_mask) OVERRIDE; 35 virtual bool SupportsLCDText() const OVERRIDE; 36 virtual skia::RefPtr<SkPicture> GetPicture() const OVERRIDE; 37 virtual bool IsSuitableForGpuRasterization() const OVERRIDE; 38 39 virtual void RunMicroBenchmark(MicroBenchmark* benchmark) OVERRIDE; 40 41 ContentLayerClient* client() { return client_; } 42 43 Picture::RecordingMode RecordingMode() const; 44 45 PicturePile* GetPicturePileForTesting() const { return pile_.get(); } 46 47 protected: 48 explicit PictureLayer(ContentLayerClient* client); 49 virtual ~PictureLayer(); 50 51 virtual bool HasDrawableContent() const OVERRIDE; 52 void UpdateCanUseLCDText(); 53 54 private: 55 ContentLayerClient* client_; 56 scoped_refptr<PicturePile> pile_; 57 devtools_instrumentation:: 58 ScopedLayerObjectTracker instrumentation_object_tracker_; 59 // Invalidation to use the next time update is called. 60 InvalidationRegion pending_invalidation_; 61 // Invalidation from the last time update was called. 62 Region pile_invalidation_; 63 gfx::Rect last_updated_visible_content_rect_; 64 bool is_mask_; 65 66 int update_source_frame_number_; 67 bool can_use_lcd_text_last_frame_; 68 69 DISALLOW_COPY_AND_ASSIGN(PictureLayer); 70 }; 71 72 } // namespace cc 73 74 #endif // CC_LAYERS_PICTURE_LAYER_H_ 75
