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.
5 #ifndef CC_LAYERS_PICTURE_LAYER_H_
6 #define CC_LAYERS_PICTURE_LAYER_H_
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"
17 class ContentLayerClient;
18 class ResourceUpdateQueue;
20 class CC_EXPORT PictureLayer : public Layer {
22 static scoped_refptr<PictureLayer> Create(ContentLayerClient* client);
24 void ClearClient() { client_ = NULL; }
27 virtual bool DrawsContent() const OVERRIDE;
28 virtual scoped_ptr<LayerImpl> CreateLayerImpl(
29 LayerTreeImpl* tree_impl) OVERRIDE;
30 virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE;
31 virtual void PushPropertiesTo(LayerImpl* layer) OVERRIDE;
32 virtual void SetNeedsDisplayRect(const gfx::RectF& layer_rect) OVERRIDE;
34 ResourceUpdateQueue* queue,
35 const OcclusionTracker* occlusion) OVERRIDE;
36 virtual void SetIsMask(bool is_mask) OVERRIDE;
37 virtual bool SupportsLCDText() const OVERRIDE;
38 virtual skia::RefPtr<SkPicture> GetPicture() const OVERRIDE;
40 virtual void RunMicroBenchmark(MicroBenchmark* benchmark) OVERRIDE;
42 ContentLayerClient* client() { return client_; }
45 explicit PictureLayer(ContentLayerClient* client);
46 virtual ~PictureLayer();
49 ContentLayerClient* client_;
50 scoped_refptr<PicturePile> pile_;
51 devtools_instrumentation::
52 ScopedLayerObjectTracker instrumentation_object_tracker_;
53 // Invalidation to use the next time update is called.
54 InvalidationRegion pending_invalidation_;
55 // Invalidation from the last time update was called.
56 Region pile_invalidation_;
57 gfx::Rect last_updated_visible_content_rect_;
60 int update_source_frame_number_;
62 DISALLOW_COPY_AND_ASSIGN(PictureLayer);
67 #endif // CC_LAYERS_PICTURE_LAYER_H_