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// Copyright 2014 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_SURFACES_SURFACE_FACTORY_H_
#define CC_SURFACES_SURFACE_FACTORY_H_
#include "base/callback_forward.h"
#include "base/containers/scoped_ptr_hash_map.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "cc/surfaces/surface_id.h"
#include "cc/surfaces/surface_resource_holder.h"
#include "cc/surfaces/surface_sequence.h"
#include "cc/surfaces/surfaces_export.h"
namespace gfx {
class Size;
}
namespace cc {
class CompositorFrame;
class CopyOutputRequest;
class Surface;
class SurfaceFactoryClient;
class SurfaceManager;
// A SurfaceFactory is used to create surfaces that may share resources and
// receive returned resources for frames submitted to those surfaces. Resources
// submitted to frames created by a particular factory will be returned to that
// factory's client when they are no longer being used. This is the only class
// most users of surfaces will need to directly interact with.
class CC_SURFACES_EXPORT SurfaceFactory
: public base::SupportsWeakPtr<SurfaceFactory> {
public:
SurfaceFactory(SurfaceManager* manager, SurfaceFactoryClient* client);
~SurfaceFactory();
void Create(SurfaceId surface_id, const gfx::Size& size);
void Destroy(SurfaceId surface_id);
void DestroyOnSequence(SurfaceId surface_id,
const std::set<SurfaceSequence>& dependency_set);
// A frame can only be submitted to a surface created by this factory,
// although the frame may reference surfaces created by other factories.
// The callback is called the first time this frame is used to draw.
void SubmitFrame(SurfaceId surface_id,
scoped_ptr<CompositorFrame> frame,
const base::Closure& callback);
void RequestCopyOfSurface(SurfaceId surface_id,
scoped_ptr<CopyOutputRequest> copy_request);
SurfaceFactoryClient* client() { return client_; }
void ReceiveFromChild(const TransferableResourceArray& resources);
void RefResources(const TransferableResourceArray& resources);
void UnrefResources(const ReturnedResourceArray& resources);
SurfaceManager* manager() { return manager_; }
private:
SurfaceManager* manager_;
SurfaceFactoryClient* client_;
SurfaceResourceHolder holder_;
typedef base::ScopedPtrHashMap<SurfaceId, Surface> OwningSurfaceMap;
base::ScopedPtrHashMap<SurfaceId, Surface> surface_map_;
DISALLOW_COPY_AND_ASSIGN(SurfaceFactory);
};
} // namespace cc
#endif // CC_SURFACES_SURFACE_FACTORY_H_
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