Convert view manager to surfaces with uploading shim in client lib

mojo/services/public/cpp/view_manager/lib/bitmap_uploader.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 MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_LIB_BITMAP_UPLOADER_H_
+#define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_LIB_BITMAP_UPLOADER_H_
+
+#include "base/callback.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "cc/surfaces/surface_id.h"
+#include "mojo/public/c/gles2/gles2.h"
+#include "mojo/services/public/interfaces/gpu/gpu.mojom.h"
+#include "mojo/services/public/interfaces/surfaces/surfaces.mojom.h"
+#include "mojo/services/public/interfaces/surfaces/surfaces_service.mojom.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "ui/gfx/geometry/size.h"
+
+namespace cc {
+class SurfaceIdAllocator;
+}
+
+namespace mojo {
+
+class BitmapUploader : public SurfaceClient {
+ public:
+  BitmapUploader(SurfacesServicePtr surfaces_service, GpuPtr gpu_service);
+  virtual ~BitmapUploader();
+
+  void Upload(SkBitmap bitmap,
+              const base::Callback<void(SurfaceIdPtr)>& done_callback);
+
+ private:
+  void OnSurfaceConnectionCreated(SurfacePtr surface, uint32_t id_namespace);
+  uint32_t BindTextureForSize(const gfx::Size size);
+
+  // SurfaceClient implementation.
+  virtual void ReturnResources(Array<ReturnedResourcePtr> resources) OVERRIDE;
+
+  SurfacesServicePtr surfaces_service_;
+  GpuPtr gpu_service_;
+  MojoGLES2Context gles2_context_;
+
+  // Used to hold on to the bitmap until we can upload it.
+  SkBitmap bitmap_;
+  base::Callback<void(SurfaceIdPtr)> done_callback_;
+  SurfacePtr surface_;
+  cc::SurfaceId id_;
+  scoped_ptr<cc::SurfaceIdAllocator> id_allocator_;
+  gfx::Size surface_size_;
+  uint32_t next_resource_id_;
+  base::hash_map<uint32_t, uint32_t> resource_to_texture_id_map_;
+
+  base::WeakPtrFactory<BitmapUploader> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BitmapUploader);
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_LIB_BITMAP_UPLOADER_H_