Revert "Delete CC."

cc/surfaces/surface_factory.h

+// 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 <set>
+
+#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;
+
+enum class SurfaceDrawStatus { DRAW_SKIPPED, DRAWN };
+
+// 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:
+  using DrawCallback = base::Callback<void(SurfaceDrawStatus)>;
+
+  SurfaceFactory(SurfaceManager* manager, SurfaceFactoryClient* client);
+  ~SurfaceFactory();
+
+  void Create(SurfaceId surface_id);
+  void Destroy(SurfaceId surface_id);
+  void DestroyAll();
+  // 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, or if
+  // the frame is discarded.
+  void SubmitFrame(SurfaceId surface_id,
+                   scoped_ptr<CompositorFrame> frame,
+                   const DrawCallback& 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, scoped_ptr<Surface>> OwningSurfaceMap;
+  OwningSurfaceMap surface_map_;
+
+  DISALLOW_COPY_AND_ASSIGN(SurfaceFactory);
+};
+
+}  // namespace cc
+
+#endif  // CC_SURFACES_SURFACE_FACTORY_H_