ash: Add launcher overflow bubble.

ash/launcher/launcher_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_LAUNCHER_LAUNCHER_VIEW_H_
 #define ASH_LAUNCHER_LAUNCHER_VIEW_H_
 
 #include <utility>
 #include <vector>
 
@@ skipping 23 matching lines @@
 class LauncherDelegate;
 struct LauncherItem;
 class LauncherIconObserver;
 class LauncherModel;
 
 namespace internal {
 
 class LauncherButton;
 class LauncherTooltipManager;
 class ShelfLayoutManager;
+class OverflowBubble;
 
 class ASH_EXPORT LauncherView : public views::View,
                                 public LauncherModelObserver,
                                 public views::ButtonListener,
                                 public LauncherButtonHost,
                                 public views::ContextMenuController,
                                 public views::FocusTraversable,
                                 public views::BoundsAnimatorObserver {
  public:
   LauncherView(LauncherModel* model,
@@ skipping 10 matching lines @@
   // Returns the ideal bounds of the specified item, or an empty rect if id
   // isn't know.
   gfx::Rect GetIdealBoundsOfItemIcon(LauncherID id);
 
   void AddIconObserver(LauncherIconObserver* observer);
   void RemoveIconObserver(LauncherIconObserver* observer);
 
   // Returns true if we're showing a menu.
   bool IsShowingMenu() const;
 
+  // Returns true if overflow bubble is shown.
+  bool IsShowingOverflowBubble() const;
+
   views::View* GetAppListButtonView() const;
 
   // Returns true if the mouse cursor exits the area for launcher tooltip.
   // There are thin gaps between launcher buttons but the tooltip shouldn't hide
   // in the gaps, but the tooltip should hide if the mouse moved totally outside
   // of the buttons area.
   bool ShouldHideTooltip(const gfx::Point& cursor_location);
 
+  void set_first_visible_index(int first_visible_index) {
+    first_visible_index_ = first_visible_index;
+  }
+
+  int leading_inset() const { return leading_inset_; }
+  void set_leading_inset(int leading_inset) { leading_inset_ = leading_inset; }
+
   // Overridden from FocusTraversable:
   virtual views::FocusSearch* GetFocusSearch() OVERRIDE;
   virtual FocusTraversable* GetFocusTraversableParent() OVERRIDE;
   virtual View* GetFocusTraversableParentView() OVERRIDE;
 
  private:
   friend class ash::test::LauncherViewTestAPI;
 
   class FadeOutAnimationDelegate;
   class StartFadeAnimationDelegate;
 
   struct IdealBounds {
     gfx::Rect overflow_bounds;
   };
 
   // Used in calculating ideal bounds.
   int primary_axis_coordinate(int x, int y) const {
     return is_horizontal_alignment() ? x : y;
   }
 
   bool is_horizontal_alignment() const {
     return alignment_ == SHELF_ALIGNMENT_BOTTOM;
   }
 
+  bool is_overflow_mode() const {
+    return first_visible_index_ > 0;
+  }
+
   // Sets the bounds of each view to its ideal bounds.
   void LayoutToIdealBounds();
 
   // Calculates the ideal bounds. The bounds of each button corresponding to an
   // item in the model is set in |view_model_|.
   void CalculateIdealBounds(IdealBounds* bounds);
 
   // Returns the index of the last view whose max primary axis coordinate is
   // less than |max_value|. Returns -1 if nothing fits, or there are no views.
   int DetermineLastVisibleIndex(int max_value);
@@ skipping 25 matching lines @@
   // is valid, the new position of the corresponding item is returned.
   int CancelDrag(int modified_index);
 
   // Common setup done for all children.
   void ConfigureChildView(views::View* view);
 
   // Returns the items whose icons are not shown because they don't fit.
   void GetOverflowItems(std::vector<LauncherItem>* items);
 
   // Shows the overflow menu.
-  void ShowOverflowMenu();
+  void ShowOverflowBubble();
 
   // Update first launcher button's padding. This method adds padding to the
   // first button to include the leading inset. It needs to be called once on
   // button creation and every time when shelf alignment is changed.
   void UpdateFirstButtonPadding();
 
   // Overridden from views::View:
   virtual gfx::Size GetPreferredSize() OVERRIDE;
   virtual void OnBoundsChanged(const gfx::Rect& previous_bounds) OVERRIDE;
   virtual FocusTraversable* GetPaneFocusTraversable() OVERRIDE;
@@ skipping 36 matching lines @@
   // The model; owned by Launcher.
   LauncherModel* model_;
 
   // Delegate; owned by Launcher.
   LauncherDelegate* delegate_;
 
   // Used to manage the set of active launcher buttons. There is a view per
   // item in |model_|.
   scoped_ptr<views::ViewModel> view_model_;
 
+  // Index of first visible launcher item. When it it greater than 0,
+  // LauncherView is hosted in an overflow bubble. In this mode, it does not
+  // show browser, app list and overflow button.
+  int first_visible_index_;
+
   // Last index of a launcher button that is visible
   // (does not go into overflow).
   int last_visible_index_;
 
   scoped_ptr<views::BoundsAnimator> bounds_animator_;
 
   views::ImageButton* overflow_button_;
 
+  scoped_ptr<OverflowBubble> overflow_bubble_;
+
   scoped_ptr<LauncherTooltipManager> tooltip_;
 
   // Are we dragging? This is only set if the mouse is dragged far enough to
   // trigger a drag.
   bool dragging_;
 
   // The view being dragged. This is set immediately when the mouse is pressed.
   // |dragging_| is set only if the mouse is dragged far enough.
   views::View* drag_view_;
 
   // X coordinate of the mouse down event in |drag_view_|s coordinates.
   int drag_offset_;
 
   // Index |drag_view_| was initially at.
   int start_drag_index_;
 
   // Used for the context menu of a particular item.
   LauncherID context_menu_id_;
 
   scoped_ptr<views::FocusSearch> focus_search_;
 
 #if !defined(OS_MACOSX)
-  scoped_ptr<views::MenuRunner> overflow_menu_runner_;
-
   scoped_ptr<views::MenuRunner> launcher_menu_runner_;
 #endif
 
   ObserverList<LauncherIconObserver> observers_;
 
   ShelfAlignment alignment_;
 
+  // Amount content is inset on the left edge (or top edge for vertical
+  // alignment).
+  int leading_inset_;
+
   DISALLOW_COPY_AND_ASSIGN(LauncherView);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_LAUNCHER_LAUNCHER_VIEW_H_