Converts overview to use common ash types

ash/wm/overview/scoped_transform_overview_window.h

 // Copyright 2013 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 ASH_WM_OVERVIEW_SCOPED_TRANSFORM_OVERVIEW_WINDOW_H_
 #define ASH_WM_OVERVIEW_SCOPED_TRANSFORM_OVERVIEW_WINDOW_H_
 
+#include <memory>
+#include <vector>
+
 #include "ash/ash_export.h"
-#include "ash/wm/overview/scoped_overview_animation_settings.h"
-#include "base/compiler_specific.h"
+#include "ash/wm/overview/overview_animation_type.h"
 #include "base/macros.h"
-#include "base/memory/scoped_vector.h"
-#include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/transform.h"
-#include "ui/views/widget/widget.h"
 
-namespace aura {
-class Window;
-}
-
-namespace ui {
-class Layer;
-}
-
-namespace views {
-class Widget;
+namespace gfx {
+class Rect;
 }
 
 namespace ash {
 
-class ScopedWindowCopy;
+class ScopedOverviewAnimationSettings;
+
+namespace wm {
+class WmWindow;
+}
 
 // Manages a window, and it's transient children, in the overview mode. This
 // class allows transforming the windows with a helper to determine the best
 // fit in certain bounds. The window's state is restored on destruction of this
 // object.
 class ASH_EXPORT ScopedTransformOverviewWindow {
  public:
-  typedef ScopedVector<ScopedOverviewAnimationSettings> ScopedAnimationSettings;
+  using ScopedAnimationSettings =
+      std::vector<std::unique_ptr<ScopedOverviewAnimationSettings>>;
 
   // Returns |rect| having been shrunk to fit within |bounds| (preserving the
   // aspect ratio). Takes into account a window header that is |top_view_inset|
   // tall in the original window getting replaced by a window caption that is
   // |title_height| tall in transformed window.
   static gfx::Rect ShrinkRectToFitPreservingAspectRatio(const gfx::Rect& rect,
                                                         const gfx::Rect& bounds,
                                                         int top_view_inset,
                                                         int title_height);
 
   // Returns the transform turning |src_rect| into |dst_rect|.
   static gfx::Transform GetTransformForRect(const gfx::Rect& src_rect,
                                             const gfx::Rect& dst_rect);
 
-  explicit ScopedTransformOverviewWindow(aura::Window* window);
+  explicit ScopedTransformOverviewWindow(wm::WmWindow* window);
   ~ScopedTransformOverviewWindow();
 
   gfx::Transform get_overview_transform() const { return overview_transform_; }
 
   void set_overview_transform(const gfx::Transform& transform) {
     overview_transform_ = transform;
   }
 
   // Starts an animation sequence which will use animation settings specified by
   // |animation_type|. The |animation_settings| container is populated with
   // scoped entities and the container should be destroyed at the end of the
   // animation sequence.
   //
   // Example:
   //  ScopedTransformOverviewWindow overview_window(window);
   //  ScopedTransformOverviewWindow::ScopedAnimationSettings scoped_settings;
   //  overview_window.BeginScopedAnimation(
   //      OverviewAnimationType::OVERVIEW_ANIMATION_SELECTOR_ITEM_SCROLL_CANCEL,
   //      &animation_settings);
   //  // Calls to SetTransform & SetOpacity will use the same animation settings
   //  // until scoped_settings is destroyed.
   //  overview_window.SetTransform(root_window, new_transform);
   //  overview_window.SetOpacity(1);
   void BeginScopedAnimation(
       OverviewAnimationType animation_type,
       ScopedAnimationSettings* animation_settings);
 
   // Returns true if this window selector window contains the |target|.
-  bool Contains(const aura::Window* target) const;
+  bool Contains(const wm::WmWindow* target) const;
 
   // Returns the original target bounds of all transformed windows.
   gfx::Rect GetTargetBoundsInScreen() const;
 
   // Restores and animates the managed window to it's non overview mode state.
   void RestoreWindow();
 
   // Forces the managed window to be shown (ie not hidden or minimized) when
   // calling RestoreWindow().
   void ShowWindowOnExit();
 
   // Informs the ScopedTransformOverviewWindow that the window being watched was
   // destroyed. This resets the internal window pointer.
   void OnWindowDestroyed();
 
   // Prepares for overview mode by doing any necessary actions before entering.
   void PrepareForOverview();
 
   // Applies the |transform| to the overview window and all of its transient
   // children.
-  void SetTransform(aura::Window* root_window,
-                    const gfx::Transform& transform);
+  void SetTransform(wm::WmWindow* root_window, const gfx::Transform& transform);
 
   // Set's the opacity of the managed windows.
   void SetOpacity(float opacity);
 
-  aura::Window* window() const { return window_; }
+  wm::WmWindow* window() const { return window_; }
 
   // Closes the transient root of the window managed by |this|.
   void Close();
 
  private:
   // Shows the window if it was minimized.
   void ShowWindowIfMinimized();
 
   // A weak pointer to the real window in the overview.
-  aura::Window* window_;
+  wm::WmWindow* window_;
 
   // If true, the window was minimized and should be restored if the window
   // was not selected.
   bool minimized_;
 
   // Tracks if this window was ignored by the shelf.
   bool ignored_by_shelf_;
 
   // True if the window has been transformed for overview mode.
   bool overview_started_;
 
   // The original transform of the window before entering overview mode.
   gfx::Transform original_transform_;
 
   // Keeps track of the original transform used when |this| has been positioned
   // during SelectorItem layout.
   gfx::Transform overview_transform_;
 
   // The original opacity of the window before entering overview mode.
   float original_opacity_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedTransformOverviewWindow);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_OVERVIEW_SCOPED_TRANSFORM_OVERVIEW_WINDOW_H_