Move ash/system/web_notification message_center to ui/

ash/system/tray/tray_bubble_view.h

-// 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_SYSTEM_TRAY_TRAY_BUBBLE_VIEW_H_
-#define ASH_SYSTEM_TRAY_TRAY_BUBBLE_VIEW_H_
-
-#include "ash/ash_export.h"
-#include "ui/views/bubble/bubble_delegate.h"
-
-// Specialized bubble view for bubbles associated with a tray icon (e.g. the
-// Ash status area). Mostly this handles custom anchor location and arrow and
-// border rendering. This also has its own delegate for handling mouse events
-// and other implementation specific details.
-
-namespace ui {
-class LocatedEvent;
-}
-
-namespace views {
-class View;
-class Widget;
-}
-
-// TODO(stevenjb): Move this out of message_center namespace once in views.
-namespace message_center {
-
-namespace internal {
-class TrayBubbleBorder;
-class TrayBubbleBackground;
-}
-
-class ASH_EXPORT TrayBubbleView : public views::BubbleDelegateView {
- public:
-  enum AnchorType {
-    ANCHOR_TYPE_TRAY,
-    ANCHOR_TYPE_BUBBLE
-  };
-
-  enum AnchorAlignment {
-    ANCHOR_ALIGNMENT_BOTTOM,
-    ANCHOR_ALIGNMENT_LEFT,
-    ANCHOR_ALIGNMENT_RIGHT
-  };
-
-  class ASH_EXPORT Delegate {
-   public:
-    typedef TrayBubbleView::AnchorType AnchorType;
-    typedef TrayBubbleView::AnchorAlignment AnchorAlignment;
-
-    Delegate() {}
-    virtual ~Delegate() {}
-
-    // Called when the view is destroyed. Any pointers to the view should be
-    // cleared when this gets called.
-    virtual void BubbleViewDestroyed() = 0;
-
-    // Called when the mouse enters/exits the view.
-    virtual void OnMouseEnteredView() = 0;
-    virtual void OnMouseExitedView() = 0;
-
-    // Called from GetAccessibleState(); should return the appropriate
-    // accessible name for the bubble.
-    virtual string16 GetAccessibleNameForBubble() = 0;
-
-    // Passes responsibility for BubbleDelegateView::GetAnchorRect to the
-    // delegate.
-    virtual gfx::Rect GetAnchorRect(views::Widget* anchor_widget,
-                                    AnchorType anchor_type,
-                                    AnchorAlignment anchor_alignment) = 0;
-
-    // Called when a bubble wants to hide/destroy itself (e.g. last visible
-    // child view was closed).
-    virtual void HideBubble(const TrayBubbleView* bubble_view) = 0;
-
-   private:
-    DISALLOW_COPY_AND_ASSIGN(Delegate);
-  };
-
-  struct InitParams {
-    static const int kArrowDefaultOffset;
-
-    InitParams(AnchorType anchor_type,
-               AnchorAlignment anchor_alignment,
-               int bubble_width);
-    AnchorType anchor_type;
-    AnchorAlignment anchor_alignment;
-    int bubble_width;
-    int max_height;
-    bool can_activate;
-    bool close_on_deactivate;
-    SkColor top_color;
-    SkColor arrow_color;
-    views::BubbleBorder::ArrowLocation arrow_location;
-    int arrow_offset;
-    views::BubbleBorder::Shadow shadow;
-  };
-
-  // Constructs and returns a TrayBubbleView. init_params may be modified.
-  static TrayBubbleView* Create(aura::Window* parent_window,
-                                views::View* anchor,
-                                Delegate* delegate,
-                                InitParams* init_params);
-
-  virtual ~TrayBubbleView();
-
-  // Sets up animations, and show the bubble. Must occur after CreateBubble()
-  // is called.
-  void InitializeAndShowBubble();
-
-  // Called whenever the bubble size or location may have changed.
-  void UpdateBubble();
-
-  // Sets the maximum bubble height and resizes the bubble.
-  void SetMaxHeight(int height);
-
-  // Returns the border insets. Called by TrayEventFilter.
-  void GetBorderInsets(gfx::Insets* insets) const;
-
-  // Called when the delegate is destroyed.
-  void reset_delegate() { delegate_ = NULL; }
-
-  Delegate* delegate() { return delegate_; }
-
-  void set_gesture_dragging(bool dragging) { is_gesture_dragging_ = dragging; }
-  bool is_gesture_dragging() const { return is_gesture_dragging_; }
-
-  // Overridden from views::WidgetDelegate.
-  virtual bool CanActivate() const OVERRIDE;
-  virtual views::NonClientFrameView* CreateNonClientFrameView(
-      views::Widget* widget) OVERRIDE;
-  virtual bool WidgetHasHitTestMask() const OVERRIDE;
-  virtual void GetWidgetHitTestMask(gfx::Path* mask) const OVERRIDE;
-
-  // Overridden from views::BubbleDelegateView.
-  virtual gfx::Rect GetAnchorRect() OVERRIDE;
-
-  // Overridden from views::View.
-  virtual gfx::Size GetPreferredSize() OVERRIDE;
-  virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
-  virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
-  virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
-
- protected:
-  TrayBubbleView(aura::Window* parent_window,
-                 views::View* anchor,
-                 Delegate* delegate,
-                 const InitParams& init_params);
-
-  // Overridden from views::BubbleDelegateView.
-  virtual void Init() OVERRIDE;
-
-  // Overridden from views::View.
-  virtual void ChildPreferredSizeChanged(View* child) OVERRIDE;
-  virtual void ViewHierarchyChanged(bool is_add,
-                                    views::View* parent,
-                                    views::View* child) OVERRIDE;
-
- private:
-  InitParams params_;
-  Delegate* delegate_;
-  internal::TrayBubbleBorder* bubble_border_;
-  internal::TrayBubbleBackground* bubble_background_;
-  bool is_gesture_dragging_;
-
-  DISALLOW_COPY_AND_ASSIGN(TrayBubbleView);
-};
-
-}  // namespace message_center
-
-#endif  // ASH_SYSTEM_TRAY_TRAY_BUBBLE_VIEW_H_