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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_LAYERS_DELEGATED_RENDERER_LAYER_H_
#define CC_LAYERS_DELEGATED_RENDERER_LAYER_H_
#include "base/containers/hash_tables.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "base/synchronization/lock.h"
#include "cc/base/cc_export.h"
#include "cc/layers/delegated_frame_provider.h"
#include "cc/layers/layer.h"
#include "cc/resources/returned_resource.h"
namespace cc {
class BlockingTaskRunner;
class CC_EXPORT DelegatedRendererLayer : public Layer {
public:
static scoped_refptr<DelegatedRendererLayer> Create(
const scoped_refptr<DelegatedFrameProvider>& frame_provider);
virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
OVERRIDE;
virtual void SetLayerTreeHost(LayerTreeHost* host) OVERRIDE;
virtual bool Update(ResourceUpdateQueue* queue,
const OcclusionTracker* occlusion) OVERRIDE;
virtual void PushPropertiesTo(LayerImpl* impl) OVERRIDE;
// Set the size at which the frame should be displayed, with the origin at the
// layer's origin. This must always contain at least the layer's bounds. A
// value of (0, 0) implies that the frame should be displayed to fit exactly
// in the layer's bounds.
void SetDisplaySize(gfx::Size size);
// Called by the DelegatedFrameProvider when a new frame is available to be
// picked up.
void ProviderHasNewFrame();
protected:
DelegatedRendererLayer(
const scoped_refptr<DelegatedFrameProvider>& frame_provider);
virtual ~DelegatedRendererLayer();
private:
scoped_refptr<DelegatedFrameProvider> frame_provider_;
bool should_collect_new_frame_;
DelegatedFrameData* frame_data_;
gfx::RectF frame_damage_;
gfx::Size display_size_;
scoped_refptr<BlockingTaskRunner> main_thread_runner_;
base::WeakPtrFactory<DelegatedRendererLayer> weak_ptrs_;
DISALLOW_COPY_AND_ASSIGN(DelegatedRendererLayer);
};
} // namespace cc
#endif // CC_LAYERS_DELEGATED_RENDERER_LAYER_H_
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