cc/layers/delegated_renderer_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_DELEGATED_RENDERER_LAYER_H_
   6 #define CC_LAYERS_DELEGATED_RENDERER_LAYER_H_
   7
   8 #include "base/containers/hash_tables.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "base/synchronization/lock.h"
  12 #include "cc/base/cc_export.h"
  13 #include "cc/layers/delegated_frame_provider.h"
  14 #include "cc/layers/layer.h"
  15 #include "cc/resources/returned_resource.h"
  16
  17 namespace cc {
  18
  19 class CC_EXPORT DelegatedRendererLayer : public Layer {
  20  public:
  21   static scoped_refptr<DelegatedRendererLayer> Create(
  22       const LayerSettings& settings,
  23       const scoped_refptr<DelegatedFrameProvider>& frame_provider);
  24
  25   scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
  26   void SetLayerTreeHost(LayerTreeHost* host) override;
  27   bool Update() override;
  28   void PushPropertiesTo(LayerImpl* impl) override;
  29
  30   // Called by the DelegatedFrameProvider when a new frame is available to be
  31   // picked up.
  32   void ProviderHasNewFrame();
  33   bool HasDelegatedContent() const override;
  34
  35  protected:
  36   DelegatedRendererLayer(
  37       const LayerSettings& settings,
  38       const scoped_refptr<DelegatedFrameProvider>& frame_provider);
  39   ~DelegatedRendererLayer() override;
  40
  41  private:
  42   scoped_refptr<DelegatedFrameProvider> frame_provider_;
  43
  44   bool should_collect_new_frame_;
  45
  46   DelegatedFrameData* frame_data_;
  47   gfx::RectF frame_damage_;
  48
  49   base::WeakPtrFactory<DelegatedRendererLayer> weak_ptrs_;
  50
  51   DISALLOW_COPY_AND_ASSIGN(DelegatedRendererLayer);
  52 };
  53
  54 }  // namespace cc
  55
  56 #endif  // CC_LAYERS_DELEGATED_RENDERER_LAYER_H_