cc/layers/picture_layer.h

   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/trees/occlusion_tracker.h"
  13
  14 namespace cc {
  15
  16 class ContentLayerClient;
  17 class RecordingSource;
  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   void SetNearestNeighbor(bool nearest_neighbor);
  27
  28   // Layer interface.
  29   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
  30   void SetLayerTreeHost(LayerTreeHost* host) override;
  31   void PushPropertiesTo(LayerImpl* layer) override;
  32   void SetNeedsDisplayRect(const gfx::Rect& layer_rect) override;
  33   bool Update(ResourceUpdateQueue* queue,
  34               const OcclusionTracker<Layer>* occlusion) override;
  35   void SetIsMask(bool is_mask) override;
  36   skia::RefPtr<SkPicture> GetPicture() const override;
  37   bool IsSuitableForGpuRasterization() const override;
  38
  39   void RunMicroBenchmark(MicroBenchmark* benchmark) override;
  40
  41   ContentLayerClient* client() { return client_; }
  42
  43   RecordingSource* GetRecordingSourceForTesting() {
  44     return recording_source_.get();
  45   }
  46
  47  protected:
  48   explicit PictureLayer(ContentLayerClient* client);
  49   // Allow tests to inject a recording source.
  50   PictureLayer(ContentLayerClient* client, scoped_ptr<RecordingSource> source);
  51   ~PictureLayer() override;
  52
  53   bool HasDrawableContent() const override;
  54
  55   bool is_mask() const { return is_mask_; }
  56
  57  private:
  58   ContentLayerClient* client_;
  59   scoped_ptr<RecordingSource> recording_source_;
  60   devtools_instrumentation::
  61       ScopedLayerObjectTracker instrumentation_object_tracker_;
  62   // Invalidation to use the next time update is called.
  63   InvalidationRegion pending_invalidation_;
  64   // Invalidation from the last time update was called.
  65   Region recording_invalidation_;
  66   gfx::Rect last_updated_visible_content_rect_;
  67
  68   int update_source_frame_number_;
  69   bool is_mask_;
  70   bool nearest_neighbor_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(PictureLayer);
  73 };
  74
  75 }  // namespace cc
  76
  77 #endif  // CC_LAYERS_PICTURE_LAYER_H_