chromeos: Move files in //ash/common to //ash, part 1

ash/common/system/tray/tray_background_view.h

Index: ash/common/system/tray/tray_background_view.h
diff --git a/ash/common/system/tray/tray_background_view.h b/ash/common/system/tray/tray_background_view.h
deleted file mode 100644
index 49e71055e55adee2fc1244a00d2b6f4ef0d96dff..0000000000000000000000000000000000000000
--- a/ash/common/system/tray/tray_background_view.h
+++ /dev/null
@@ -1,197 +0,0 @@
-// Copyright (c) 2012 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_COMMON_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_
-#define ASH_COMMON_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_
-
-#include <memory>
-
-#include "ash/ash_export.h"
-#include "ash/common/shelf/shelf_background_animator_observer.h"
-#include "ash/common/system/tray/actionable_view.h"
-#include "ash/public/cpp/shelf_types.h"
-#include "base/macros.h"
-#include "ui/compositor/layer_animation_observer.h"
-#include "ui/gfx/geometry/insets.h"
-#include "ui/views/bubble/tray_bubble_view.h"
-
-namespace ash {
-class TrayEventFilter;
-class TrayBackground;
-class WmShelf;
-
-// Base class for children of StatusAreaWidget: SystemTray, WebNotificationTray,
-// LogoutButtonTray, OverviewButtonTray.
-// This class handles setting and animating the background when the Launcher
-// is shown/hidden. It also inherits from ActionableView so that the tray
-// items can override PerformAction when clicked on.
-class ASH_EXPORT TrayBackgroundView : public ActionableView,
-                                      public ui::ImplicitAnimationObserver,
-                                      public ShelfBackgroundAnimatorObserver {
- public:
-  static const char kViewClassName[];
-
-  // Base class for tray containers. Sets the border and layout. The container
-  // auto-resizes the widget when necessary.
-  class TrayContainer : public views::View {
-   public:
-    explicit TrayContainer(ShelfAlignment alignment);
-    ~TrayContainer() override {}
-
-    void SetAlignment(ShelfAlignment alignment);
-
-    void SetMargin(int main_axis_margin, int cross_axis_margin);
-
-   protected:
-    // views::View:
-    void ChildPreferredSizeChanged(views::View* child) override;
-    void ChildVisibilityChanged(View* child) override;
-    void ViewHierarchyChanged(
-        const ViewHierarchyChangedDetails& details) override;
-
-   private:
-    void UpdateLayout();
-
-    ShelfAlignment alignment_;
-    int main_axis_margin_ = 0;
-    int cross_axis_margin_ = 0;
-
-    DISALLOW_COPY_AND_ASSIGN(TrayContainer);
-  };
-
-  explicit TrayBackgroundView(WmShelf* wm_shelf);
-  ~TrayBackgroundView() override;
-
-  // Called after the tray has been added to the widget containing it.
-  virtual void Initialize();
-
-  // Initializes animations for the bubble.
-  static void InitializeBubbleAnimations(views::Widget* bubble_widget);
-
-  // views::View:
-  void SetVisible(bool visible) override;
-  const char* GetClassName() const override;
-  void ChildPreferredSizeChanged(views::View* child) override;
-  void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
-  void AboutToRequestFocusFromTabTraversal(bool reverse) override;
-  void OnPaint(gfx::Canvas* canvas) override;
-
-  // ActionableView:
-  std::unique_ptr<views::InkDropRipple> CreateInkDropRipple() const override;
-  std::unique_ptr<views::InkDropHighlight> CreateInkDropHighlight()
-      const override;
-  void OnGestureEvent(ui::GestureEvent* event) override;
-
-  // Called whenever the shelf alignment changes.
-  virtual void SetShelfAlignment(ShelfAlignment alignment);
-
-  // Called when the anchor (tray or bubble) may have moved or changed.
-  virtual void AnchorUpdated() {}
-
-  // Called from GetAccessibleNodeData, must return a valid accessible name.
-  virtual base::string16 GetAccessibleNameForTray() = 0;
-
-  // Called when the bubble is resized.
-  virtual void BubbleResized(const views::TrayBubbleView* bubble_view) {}
-
-  // Hides the bubble associated with |bubble_view|. Called when the widget
-  // is closed.
-  virtual void HideBubbleWithView(const views::TrayBubbleView* bubble_view) = 0;
-
-  // Called by the bubble wrapper when a click event occurs outside the bubble.
-  // May close the bubble.
-  virtual void ClickedOutsideBubble() = 0;
-
-  // Sets |contents| as a child.
-  void SetContents(views::View* contents);
-
-  // Creates and sets contents background to |background_|. |draws_active|
-  // determines if the view's background should be drawn as active when the view
-  // is in the active state.
-  void SetContentsBackground(bool draws_active);
-
-  // Returns the bubble anchor alignment based on |shelf_alignment_|.
-  views::TrayBubbleView::AnchorAlignment GetAnchorAlignment() const;
-
-  void SetIsActive(bool is_active);
-  bool is_active() const { return is_active_; }
-
-  TrayContainer* tray_container() const { return tray_container_; }
-  ShelfAlignment shelf_alignment() const { return shelf_alignment_; }
-  TrayEventFilter* tray_event_filter() { return tray_event_filter_.get(); }
-  WmShelf* shelf() { return wm_shelf_; }
-
-  // Updates the arrow visibility based on the launcher visibility.
-  void UpdateBubbleViewArrow(views::TrayBubbleView* bubble_view);
-
-  // ShelfBackgroundAnimatorObserver:
-  void UpdateShelfItemBackground(SkColor color) override;
-
-  // Updates the visibility of this tray's separator.
-  void set_separator_visibility(bool visible) { separator_visible_ = visible; }
-
-  // Gets the anchor for bubbles, which is tray_container().
-  views::View* GetBubbleAnchor() const;
-
-  // Gets additional insets for positioning bubbles relative to
-  // tray_container().
-  gfx::Insets GetBubbleAnchorInsets() const;
-
- protected:
-  // ActionableView:
-  std::unique_ptr<views::InkDropMask> CreateInkDropMask() const override;
-  bool ShouldEnterPushedState(const ui::Event& event) override;
-  bool PerformAction(const ui::Event& event) override;
-  void HandlePerformActionResult(bool action_performed,
-                                 const ui::Event& event) override;
-  void OnPaintFocus(gfx::Canvas* canvas) override;
-
- private:
-  class TrayWidgetObserver;
-
-  // ui::ImplicitAnimationObserver:
-  void OnImplicitAnimationsCompleted() override;
-  bool RequiresNotificationWhenAnimatorDestroyed() const override;
-
-  // Applies transformations to the |layer()| to animate the view when
-  // SetVisible(false) is called.
-  void HideTransformation();
-
-  // Helper function that calculates background insets relative to local bounds.
-  gfx::Insets GetBackgroundInsets() const;
-
-  // Helper function that calculates background bounds relative to local bounds
-  // based on background insets returned from GetBackgroundInsets().
-  gfx::Rect GetBackgroundBounds() const;
-
-  // The shelf containing the system tray for this view.
-  WmShelf* wm_shelf_;
-
-  // Convenience pointer to the contents view.
-  TrayContainer* tray_container_;
-
-  // Shelf alignment.
-  // TODO(jamescook): Don't cache this, get it from WmShelf.
-  ShelfAlignment shelf_alignment_;
-
-  // Owned by the view passed to SetContents().
-  TrayBackground* background_;
-
-  // Determines if the view is active. This changes how the background is drawn
-  // in non-MD version and how the ink drop ripples behave in MD version.
-  bool is_active_;
-
-  // Visibility of this tray's separator which is a line of 1x32px and 4px to
-  // right of tray.
-  bool separator_visible_;
-
-  std::unique_ptr<TrayWidgetObserver> widget_observer_;
-  std::unique_ptr<TrayEventFilter> tray_event_filter_;
-
-  DISALLOW_COPY_AND_ASSIGN(TrayBackgroundView);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SYSTEM_TRAY_TRAY_BACKGROUND_VIEW_H_