Moves common view_manager related aura files to mojo/aura

mojo/examples/aura_demo/context_factory_view_manager.cc

-// 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.
-
-#include "mojo/examples/aura_demo/context_factory_view_manager.h"
-
-#include "base/bind.h"
-#include "cc/output/output_surface.h"
-#include "cc/output/software_output_device.h"
-#include "cc/resources/shared_bitmap_manager.h"
-#include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h"
-#include "skia/ext/platform_canvas.h"
-#include "ui/compositor/reflector.h"
-#include "ui/gfx/codec/png_codec.h"
-
-namespace mojo {
-namespace examples {
-namespace {
-
-void FreeSharedBitmap(cc::SharedBitmap* shared_bitmap) {
-  delete shared_bitmap->memory();
-}
-
-void IgnoreSharedBitmap(cc::SharedBitmap* shared_bitmap) {}
-
-bool CreateMapAndDupSharedBuffer(size_t size,
-                                 void** memory,
-                                 ScopedSharedBufferHandle* handle,
-                                 ScopedSharedBufferHandle* duped) {
-  MojoResult result = CreateSharedBuffer(NULL, size, handle);
-  if (result != MOJO_RESULT_OK)
-    return false;
-  DCHECK(handle->is_valid());
-
-  result = DuplicateBuffer(handle->get(), NULL, duped);
-  if (result != MOJO_RESULT_OK)
-    return false;
-  DCHECK(duped->is_valid());
-
-  result = MapBuffer(
-      handle->get(), 0, size, memory, MOJO_MAP_BUFFER_FLAG_NONE);
-  if (result != MOJO_RESULT_OK)
-    return false;
-  DCHECK(*memory);
-
-  return true;
-}
-
-class SoftwareOutputDeviceViewManager : public cc::SoftwareOutputDevice {
- public:
-  explicit SoftwareOutputDeviceViewManager(
-      view_manager::IViewManager* view_manager,
-      uint32_t view_id)
-      : view_manager_(view_manager),
-        view_id_(view_id) {
-  }
-  virtual ~SoftwareOutputDeviceViewManager() {}
-
-  // cc::SoftwareOutputDevice:
-  virtual void EndPaint(cc::SoftwareFrameData* frame_data) OVERRIDE {
-    SetViewContents();
-
-    SoftwareOutputDevice::EndPaint(frame_data);
-  }
-
- private:
-  void OnSetViewContentsDone(bool value) {
-    VLOG(1) << "SoftwareOutputDeviceManager::OnSetViewContentsDone " << value;
-    DCHECK(value);
-  }
-
-  void SetViewContents() {
-    std::vector<unsigned char> data;
-    gfx::PNGCodec::EncodeBGRASkBitmap(
-        skia::GetTopDevice(*canvas_)->accessBitmap(true), false, &data);
-
-    void* memory = NULL;
-    ScopedSharedBufferHandle duped;
-    bool result = CreateMapAndDupSharedBuffer(data.size(),
-                                              &memory,
-                                              &shared_state_handle_,
-                                              &duped);
-    if (!result)
-      return;
-
-    memcpy(memory, &data[0], data.size());
-
-    view_manager_->SetViewContents(
-        view_id_, duped.Pass(), static_cast<uint32_t>(data.size()),
-        base::Bind(&SoftwareOutputDeviceViewManager::OnSetViewContentsDone,
-                   base::Unretained(this)));
-  }
-
-  view_manager::IViewManager* view_manager_;
-  const uint32_t view_id_;
-  ScopedSharedBufferHandle shared_state_handle_;
-
-  DISALLOW_COPY_AND_ASSIGN(SoftwareOutputDeviceViewManager);
-};
-
-// TODO(sky): this is a copy from cc/test. Copy to a common place.
-class TestSharedBitmapManager : public cc::SharedBitmapManager {
- public:
-  TestSharedBitmapManager() {}
-  virtual ~TestSharedBitmapManager() {}
-
-  virtual scoped_ptr<cc::SharedBitmap> AllocateSharedBitmap(
-      const gfx::Size& size) OVERRIDE {
-    base::AutoLock lock(lock_);
-    scoped_ptr<base::SharedMemory> memory(new base::SharedMemory);
-    memory->CreateAndMapAnonymous(size.GetArea() * 4);
-    cc::SharedBitmapId id = cc::SharedBitmap::GenerateId();
-    bitmap_map_[id] = memory.get();
-    return scoped_ptr<cc::SharedBitmap>(
-        new cc::SharedBitmap(memory.release(), id,
-                             base::Bind(&FreeSharedBitmap)));
-  }
-
-  virtual scoped_ptr<cc::SharedBitmap> GetSharedBitmapFromId(
-      const gfx::Size&,
-      const cc::SharedBitmapId& id) OVERRIDE {
-    base::AutoLock lock(lock_);
-    if (bitmap_map_.find(id) == bitmap_map_.end())
-      return scoped_ptr<cc::SharedBitmap>();
-    return scoped_ptr<cc::SharedBitmap>(
-        new cc::SharedBitmap(bitmap_map_[id], id,
-                             base::Bind(&IgnoreSharedBitmap)));
-  }
-
-  virtual scoped_ptr<cc::SharedBitmap> GetBitmapForSharedMemory(
-      base::SharedMemory* memory) OVERRIDE {
-    base::AutoLock lock(lock_);
-    cc::SharedBitmapId id = cc::SharedBitmap::GenerateId();
-    bitmap_map_[id] = memory;
-    return scoped_ptr<cc::SharedBitmap>(
-        new cc::SharedBitmap(memory, id, base::Bind(&IgnoreSharedBitmap)));
-  }
-
- private:
-  base::Lock lock_;
-  std::map<cc::SharedBitmapId, base::SharedMemory*> bitmap_map_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestSharedBitmapManager);
-};
-
-}  // namespace
-
-ContextFactoryViewManager::ContextFactoryViewManager(
-    view_manager::IViewManager* view_manager,
-    uint32_t view_id)
-    : view_manager_(view_manager),
-      view_id_(view_id),
-      shared_bitmap_manager_(new TestSharedBitmapManager()) {
-}
-
-ContextFactoryViewManager::~ContextFactoryViewManager() {}
-
-scoped_ptr<cc::OutputSurface> ContextFactoryViewManager::CreateOutputSurface(
-    ui::Compositor* compositor,
-    bool software_fallback) {
-  scoped_ptr<cc::SoftwareOutputDevice> output_device(
-      new SoftwareOutputDeviceViewManager(view_manager_, view_id_));
-  return make_scoped_ptr(new cc::OutputSurface(output_device.Pass()));
-}
-
-scoped_refptr<ui::Reflector> ContextFactoryViewManager::CreateReflector(
-    ui::Compositor* mirroed_compositor,
-    ui::Layer* mirroring_layer) {
-  return new ui::Reflector();
-}
-
-void ContextFactoryViewManager::RemoveReflector(
-    scoped_refptr<ui::Reflector> reflector) {
-}
-
-scoped_refptr<cc::ContextProvider>
-ContextFactoryViewManager::SharedMainThreadContextProvider() {
-  return scoped_refptr<cc::ContextProvider>(NULL);
-}
-
-void ContextFactoryViewManager::RemoveCompositor(ui::Compositor* compositor) {}
-
-bool ContextFactoryViewManager::DoesCreateTestContexts() { return false; }
-
-cc::SharedBitmapManager* ContextFactoryViewManager::GetSharedBitmapManager() {
-  return shared_bitmap_manager_.get();
-}
-
-base::MessageLoopProxy* ContextFactoryViewManager::GetCompositorMessageLoop() {
-  return NULL;
-}
-
-}  // namespace examples
-}  // namespace mojo