mus: move View Manager to components/mus/vm

components/mus/display_manager.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 COMPONENTS_MUS_DISPLAY_MANAGER_H_
-#define COMPONENTS_MUS_DISPLAY_MANAGER_H_
-
-#include <map>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/timer/timer.h"
-#include "components/mus/display_manager_delegate.h"
-#include "components/mus/public/interfaces/view_tree.mojom.h"
-#include "components/mus/surfaces/top_level_display_client.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/callback.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/platform_window/platform_window_delegate.h"
-
-namespace cc {
-class SurfaceIdAllocator;
-class SurfaceManager;
-}  // namespace cc
-
-namespace gles2 {
-class GpuState;
-}  // namespace gles2
-
-namespace mojo {
-class ApplicationImpl;
-}  // namespace mojo
-
-namespace ui {
-class PlatformWindow;
-struct TextInputState;
-}  // namespace ui
-
-namespace mus {
-
-class DisplayManagerFactory;
-class EventDispatcher;
-class ServerView;
-class SurfacesScheduler;
-class SurfacesState;
-
-// DisplayManager is used to connect the root ServerView to a display.
-class DisplayManager {
- public:
-  virtual ~DisplayManager() {}
-
-  static DisplayManager* Create(
-      mojo::ApplicationImpl* app_impl,
-      const scoped_refptr<GpuState>& gpu_state,
-      const scoped_refptr<SurfacesState>& surfaces_state);
-
-  virtual void Init(DisplayManagerDelegate* delegate) = 0;
-
-  // Schedules a paint for the specified region in the coordinates of |view|.
-  virtual void SchedulePaint(const ServerView* view,
-                             const gfx::Rect& bounds) = 0;
-
-  virtual void SetViewportSize(const gfx::Size& size) = 0;
-
-  virtual void SetTitle(const base::string16& title) = 0;
-
-  virtual const mojo::ViewportMetrics& GetViewportMetrics() = 0;
-
-  virtual void UpdateTextInputState(const ui::TextInputState& state) = 0;
-  virtual void SetImeVisibility(bool visible) = 0;
-
-  // Overrides factory for testing. Default (NULL) value indicates regular
-  // (non-test) environment.
-  static void set_factory_for_testing(DisplayManagerFactory* factory) {
-    DisplayManager::factory_ = factory;
-  }
-
- private:
-  // Static factory instance (always NULL for non-test).
-  static DisplayManagerFactory* factory_;
-};
-
-// DisplayManager implementation that connects to the services necessary to
-// actually display.
-class DefaultDisplayManager : public DisplayManager,
-                              public ui::PlatformWindowDelegate {
- public:
-  DefaultDisplayManager(mojo::ApplicationImpl* app_impl,
-                        const scoped_refptr<GpuState>& gpu_state,
-                        const scoped_refptr<SurfacesState>& surfaces_state);
-  ~DefaultDisplayManager() override;
-
-  // DisplayManager:
-  void Init(DisplayManagerDelegate* delegate) override;
-  void SchedulePaint(const ServerView* view, const gfx::Rect& bounds) override;
-  void SetViewportSize(const gfx::Size& size) override;
-  void SetTitle(const base::string16& title) override;
-  const mojo::ViewportMetrics& GetViewportMetrics() override;
-  void UpdateTextInputState(const ui::TextInputState& state) override;
-  void SetImeVisibility(bool visible) override;
-
- private:
-  void WantToDraw();
-
-  // This method initiates a top level redraw of the display.
-  // TODO(fsamuel): This should use vblank as a signal rather than a timer
-  // http://crbug.com/533042
-  void Draw();
-
-  // This is called after cc::Display has completed generating a new frame
-  // for the display. TODO(fsamuel): Idle time processing should happen here
-  // if there is budget for it.
-  void DidDraw();
-  void UpdateMetrics(const gfx::Size& size, float device_pixel_ratio);
-  scoped_ptr<cc::CompositorFrame> GenerateCompositorFrame();
-
-  // ui::PlatformWindowDelegate:
-  void OnBoundsChanged(const gfx::Rect& new_bounds) override;
-  void OnDamageRect(const gfx::Rect& damaged_region) override;
-  void DispatchEvent(ui::Event* event) override;
-  void OnCloseRequest() override;
-  void OnClosed() override;
-  void OnWindowStateChanged(ui::PlatformWindowState new_state) override;
-  void OnLostCapture() override;
-  void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget,
-                                    float device_pixel_ratio) override;
-  void OnActivationChanged(bool active) override;
-
-  mojo::ApplicationImpl* app_impl_;
-  scoped_refptr<GpuState> gpu_state_;
-  scoped_refptr<SurfacesState> surfaces_state_;
-  DisplayManagerDelegate* delegate_;
-
-  mojo::ViewportMetrics metrics_;
-  gfx::Rect dirty_rect_;
-  base::Timer draw_timer_;
-  bool frame_pending_;
-
-  scoped_ptr<TopLevelDisplayClient> top_level_display_client_;
-  scoped_ptr<ui::PlatformWindow> platform_window_;
-
-  base::WeakPtrFactory<DefaultDisplayManager> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(DefaultDisplayManager);
-};
-
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_DISPLAY_MANAGER_H_