chromeos: Move files in //ash/common to //ash, part 2

ash/common/shelf/shelf_view.h

Index: ash/common/shelf/shelf_view.h
diff --git a/ash/common/shelf/shelf_view.h b/ash/common/shelf/shelf_view.h
deleted file mode 100644
index 3f1858b5cdba4a162882e9eafa8b03466589b55e..0000000000000000000000000000000000000000
--- a/ash/common/shelf/shelf_view.h
+++ /dev/null
@@ -1,470 +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_SHELF_SHELF_VIEW_H_
-#define ASH_COMMON_SHELF_SHELF_VIEW_H_
-
-#include <memory>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "ash/common/shelf/ink_drop_button_listener.h"
-#include "ash/common/shelf/shelf_button_pressed_metric_tracker.h"
-#include "ash/common/shelf/shelf_item_delegate.h"
-#include "ash/common/shelf/shelf_model_observer.h"
-#include "ash/common/shelf/shelf_tooltip_manager.h"
-#include "base/macros.h"
-#include "third_party/skia/include/core/SkColor.h"
-#include "ui/app_list/views/app_list_drag_and_drop_host.h"
-#include "ui/views/animation/bounds_animator_observer.h"
-#include "ui/views/animation/ink_drop_state.h"
-#include "ui/views/context_menu_controller.h"
-#include "ui/views/controls/button/button.h"
-#include "ui/views/focus/focus_manager.h"
-#include "ui/views/view.h"
-#include "ui/views/view_model.h"
-
-namespace ui {
-class MenuModel;
-}
-
-namespace views {
-class BoundsAnimator;
-class MenuModelAdapter;
-class MenuRunner;
-}
-
-namespace ash {
-class AppListButton;
-class DragImageView;
-class OverflowBubble;
-class OverflowButton;
-class ScopedRootWindowForNewWindows;
-class ShelfButton;
-class ShelfDelegate;
-class ShelfModel;
-struct ShelfItem;
-class ShelfWidget;
-class WmShelf;
-
-namespace test {
-class ShelfViewTestAPI;
-}
-
-extern const int SHELF_ALIGNMENT_UMA_ENUM_VALUE_BOTTOM;
-extern const int SHELF_ALIGNMENT_UMA_ENUM_VALUE_LEFT;
-extern const int SHELF_ALIGNMENT_UMA_ENUM_VALUE_RIGHT;
-extern const int SHELF_ALIGNMENT_UMA_ENUM_VALUE_COUNT;
-
-class ASH_EXPORT ShelfView : public views::View,
-                             public ShelfModelObserver,
-                             public InkDropButtonListener,
-                             public views::ContextMenuController,
-                             public views::FocusTraversable,
-                             public views::BoundsAnimatorObserver,
-                             public app_list::ApplicationDragAndDropHost {
- public:
-  ShelfView(ShelfModel* model,
-            ShelfDelegate* delegate,
-            WmShelf* wm_shelf,
-            ShelfWidget* shelf_widget);
-  ~ShelfView() override;
-
-  WmShelf* wm_shelf() const { return wm_shelf_; }
-  ShelfModel* model() const { return model_; }
-
-  void Init();
-
-  void OnShelfAlignmentChanged();
-
-  // Returns the ideal bounds of the specified item, or an empty rect if id
-  // isn't know. If the item is in an overflow shelf, the overflow icon location
-  // will be returned.
-  gfx::Rect GetIdealBoundsOfItemIcon(ShelfID id);
-
-  // Repositions the icon for the specified item by the midpoint of the window.
-  void UpdatePanelIconPosition(ShelfID id, const gfx::Point& midpoint);
-
-  // Returns true if we're showing a menu.
-  bool IsShowingMenu() const;
-
-  // Returns true if overflow bubble is shown.
-  bool IsShowingOverflowBubble() const;
-
-  // Sets owner overflow bubble instance from which this shelf view pops
-  // out as overflow.
-  void set_owner_overflow_bubble(OverflowBubble* owner) {
-    owner_overflow_bubble_ = owner;
-  }
-
-  AppListButton* GetAppListButton() 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) const;
-
-  // Returns true if a tooltip should be shown for the shelf item |view|.
-  bool ShouldShowTooltipForView(const views::View* view) const;
-
-  // Returns the title of the shelf item |view|.
-  base::string16 GetTitleForView(const views::View* view) const;
-
-  // Returns rectangle bounding all visible launcher items. Used screen
-  // coordinate system.
-  gfx::Rect GetVisibleItemsBoundsInScreen();
-
-  // InkDropButtonListener:
-  void ButtonPressed(views::Button* sender,
-                     const ui::Event& event,
-                     views::InkDrop* ink_drop) override;
-
-  // Overridden from FocusTraversable:
-  views::FocusSearch* GetFocusSearch() override;
-  FocusTraversable* GetFocusTraversableParent() override;
-  View* GetFocusTraversableParentView() override;
-
-  // Overridden from app_list::ApplicationDragAndDropHost:
-  void CreateDragIconProxy(const gfx::Point& location_in_screen_coordinates,
-                           const gfx::ImageSkia& icon,
-                           views::View* replaced_view,
-                           const gfx::Vector2d& cursor_offset_from_center,
-                           float scale_factor) override;
-  void UpdateDragIconProxy(
-      const gfx::Point& location_in_screen_coordinates) override;
-  void DestroyDragIconProxy() override;
-  bool StartDrag(const std::string& app_id,
-                 const gfx::Point& location_in_screen_coordinates) override;
-  bool Drag(const gfx::Point& location_in_screen_coordinates) override;
-  void EndDrag(bool cancel) override;
-
-  // Returns true if |event| on the shelf item is going to activate the item.
-  // Used to determine whether a pending ink drop should be shown or not.
-  bool ShouldEventActivateButton(views::View* view, const ui::Event& event);
-
-  // The shelf buttons use the Pointer interface to enable item reordering.
-  enum Pointer { NONE, DRAG_AND_DROP, MOUSE, TOUCH };
-  void PointerPressedOnButton(views::View* view,
-                              Pointer pointer,
-                              const ui::LocatedEvent& event);
-  void PointerDraggedOnButton(views::View* view,
-                              Pointer pointer,
-                              const ui::LocatedEvent& event);
-  void PointerReleasedOnButton(views::View* view,
-                               Pointer pointer,
-                               bool canceled);
-
-  // Updates the background for the shelf items.
-  void UpdateShelfItemBackground(SkColor color);
-
-  // Return the view model for test purposes.
-  const views::ViewModel* view_model_for_test() const {
-    return view_model_.get();
-  }
-
- private:
-  friend class ash::test::ShelfViewTestAPI;
-
-  class FadeOutAnimationDelegate;
-  class StartFadeAnimationDelegate;
-
-  struct IdealBounds {
-    gfx::Rect overflow_bounds;
-  };
-
-  enum RemovableState {
-    REMOVABLE,      // Item can be removed when dragged away.
-    DRAGGABLE,      // Item can be dragged, but will snap always back to origin.
-    NOT_REMOVABLE,  // Item is fixed and can never be removed.
-  };
-
-  // Minimum distance before drag starts.
-  static const int kMinimumDragDistance;
-
-  // Returns true when this ShelfView is used for Overflow Bubble.
-  // In this mode, it does not show app list, panel and overflow button.
-  // Note:
-  //   * When Shelf can contain only one item (overflow button) due to very
-  //     small resolution screen, overflow bubble can show app list and panel
-  //     button.
-  bool is_overflow_mode() const { return overflow_mode_; }
-
-  bool dragging() const { return drag_pointer_ != NONE; }
-
-  // Sets the bounds of each view to its ideal bounds.
-  void LayoutToIdealBounds();
-
-  // Update all button's visibility in overflow.
-  void UpdateAllButtonsVisibilityInOverflowMode();
-
-  // 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) const;
-
-  // 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) const;
-
-  // Returns the index of the first panel whose min primary axis coordinate is
-  // at least |min_value|. Returns the index past the last panel if none fit.
-  int DetermineFirstVisiblePanelIndex(int min_value) const;
-
-  // Animates the bounds of each view to its ideal bounds.
-  void AnimateToIdealBounds();
-
-  // Creates the view used to represent |item|.
-  views::View* CreateViewForItem(const ShelfItem& item);
-
-  // Fades |view| from an opacity of 0 to 1. This is when adding a new item.
-  void FadeIn(views::View* view);
-
-  // Invoked when the pointer has moved enough to trigger a drag. Sets
-  // internal state in preparation for the drag.
-  void PrepareForDrag(Pointer pointer, const ui::LocatedEvent& event);
-
-  // Invoked when the mouse is dragged. Updates the models as appropriate.
-  void ContinueDrag(const ui::LocatedEvent& event);
-
-  // Handles ripping off an item from the shelf. Returns true when the item got
-  // removed.
-  bool HandleRipOffDrag(const ui::LocatedEvent& event);
-
-  // Finalize the rip off dragging by either |cancel| the action or validating.
-  void FinalizeRipOffDrag(bool cancel);
-
-  // Check if an item can be ripped off or not.
-  RemovableState RemovableByRipOff(int index) const;
-
-  // Returns true if |typea| and |typeb| should be in the same drag range.
-  bool SameDragType(ShelfItemType typea, ShelfItemType typeb) const;
-
-  // Returns the range (in the model) the item at the specified index can be
-  // dragged to.
-  std::pair<int, int> GetDragRange(int index);
-
-  // If there is a drag operation in progress it's canceled. If |modified_index|
-  // is valid, the new position of the corresponding item is returned.
-  int CancelDrag(int modified_index);
-
-  // Returns rectangle bounds used for drag insertion.
-  // Note:
-  //  * When overflow button is visible, returns bounds from first item
-  //    to overflow button.
-  //  * When overflow button is visible and one or more panel items exists,
-  //    returns bounds from first item to last panel item.
-  //  * In the overflow mode, returns only bubble's bounds.
-  gfx::Rect GetBoundsForDragInsertInScreen();
-
-  // Common setup done for all children.
-  void ConfigureChildView(views::View* view);
-
-  // Toggles the overflow menu.
-  void ToggleOverflowBubble();
-
-  // Invoked after the fading out animation for item deletion is ended.
-  void OnFadeOutAnimationEnded();
-
-  // Fade in last visible item.
-  void StartFadeInLastVisibleItem();
-
-  // Updates the visible range of overflow items in |overflow_view|.
-  void UpdateOverflowRange(ShelfView* overflow_view) const;
-
-  // Overridden from views::View:
-  gfx::Size GetPreferredSize() const override;
-  void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
-  FocusTraversable* GetPaneFocusTraversable() override;
-  void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
-  void ViewHierarchyChanged(
-      const ViewHierarchyChangedDetails& details) override;
-
-  // Overridden from ui::EventHandler:
-  void OnGestureEvent(ui::GestureEvent* event) override;
-
-  // Overridden from ShelfModelObserver:
-  void ShelfItemAdded(int model_index) override;
-  void ShelfItemRemoved(int model_index, ShelfID id) override;
-  void ShelfItemChanged(int model_index, const ShelfItem& old_item) override;
-  void ShelfItemMoved(int start_index, int target_index) override;
-  void OnSetShelfItemDelegate(ShelfID id,
-                              ShelfItemDelegate* item_delegate) override;
-
-  // Show a list of all running items for this shelf |item|; it only shows a
-  // menu if there are multiple running items. |source| specifies the view
-  // responsible for showing the menu, and the bubble will point towards it.
-  // The |event_flags| are the flags of the event which triggered this menu.
-  // Returns |true| if a menu is shown.
-  bool ShowListMenuForView(const ShelfItem& item,
-                           views::View* source,
-                           const ui::Event& event,
-                           views::InkDrop* ink_drop);
-
-  // Overridden from views::ContextMenuController:
-  void ShowContextMenuForView(views::View* source,
-                              const gfx::Point& point,
-                              ui::MenuSourceType source_type) override;
-
-  // Show either a context or normal click menu of given |menu_model|.
-  // If |context_menu| is set, the displayed menu is a context menu and not
-  // a menu listing one or more running applications.
-  // The |click_point| is only used for |context_menu|'s.
-  void ShowMenu(std::unique_ptr<ui::MenuModel> menu_model,
-                views::View* source,
-                const gfx::Point& click_point,
-                bool context_menu,
-                ui::MenuSourceType source_type,
-                views::InkDrop* ink_drop);
-
-  // Callback for MenuModelAdapter.
-  void OnMenuClosed(views::InkDrop* ink_drop);
-
-  // Overridden from views::BoundsAnimatorObserver:
-  void OnBoundsAnimatorProgressed(views::BoundsAnimator* animator) override;
-  void OnBoundsAnimatorDone(views::BoundsAnimator* animator) override;
-
-  // Returns true if the (press down) |event| is a repost event from an event
-  // which just closed the menu of a shelf item. If it occurs on the same shelf
-  // item, we should ignore the call.
-  bool IsRepostEvent(const ui::Event& event);
-
-  // Convenience accessor to model_->items().
-  const ShelfItem* ShelfItemForView(const views::View* view) const;
-
-  // Get the distance from the given |coordinate| to the closest point on this
-  // launcher/shelf.
-  int CalculateShelfDistance(const gfx::Point& coordinate) const;
-
-  // The model; owned by Launcher.
-  ShelfModel* model_;
-
-  // Delegate; owned by Launcher.
-  ShelfDelegate* delegate_;
-
-  // The shelf controller; owned by RootWindowController.
-  WmShelf* wm_shelf_;
-
-  // The shelf widget for this view. For overflow bubbles, this is the widget
-  // for the shelf, not for the bubble.
-  ShelfWidget* shelf_widget_;
-
-  // Used to manage the set of active launcher buttons. There is a view per
-  // item in |model_|.
-  std::unique_ptr<views::ViewModel> view_model_;
-
-  // Index of first visible launcher item.
-  int first_visible_index_;
-
-  // Last index of a launcher button that is visible
-  // (does not go into overflow).
-  mutable int last_visible_index_;
-
-  std::unique_ptr<views::BoundsAnimator> bounds_animator_;
-
-  OverflowButton* overflow_button_;
-
-  std::unique_ptr<OverflowBubble> overflow_bubble_;
-
-  OverflowBubble* owner_overflow_bubble_;
-
-  ShelfTooltipManager tooltip_;
-
-  // Pointer device that initiated the current drag operation. If there is no
-  // current dragging operation, this is NONE.
-  Pointer drag_pointer_;
-
-  // The view being dragged. This is set immediately when the mouse is pressed.
-  // |dragging_| is set only if the mouse is dragged far enough.
-  ShelfButton* drag_view_;
-
-  // Position of the mouse down event in |drag_view_|'s coordinates.
-  gfx::Point drag_origin_;
-
-  // Index |drag_view_| was initially at.
-  int start_drag_index_;
-
-  // Used for the context menu of a particular item.
-  ShelfID context_menu_id_;
-
-  std::unique_ptr<views::FocusSearch> focus_search_;
-
-  // Manages the context menu, and the list menu.
-  std::unique_ptr<ui::MenuModel> menu_model_;
-  std::unique_ptr<views::MenuModelAdapter> menu_model_adapter_;
-  std::unique_ptr<views::MenuRunner> launcher_menu_runner_;
-  std::unique_ptr<ScopedRootWindowForNewWindows>
-      scoped_root_window_for_new_windows_;
-
-  // Amount content is inset on the left edge (or top edge for vertical
-  // alignment).
-  int leading_inset_;
-
-  // True when an item being inserted or removed in the model cancels a drag.
-  bool cancelling_drag_model_changed_;
-
-  // Index of the last hidden launcher item. If there are no hidden items this
-  // will be equal to last_visible_index_ + 1.
-  mutable int last_hidden_index_;
-
-  // The timestamp of the event which closed the last menu - or 0.
-  base::TimeTicks closing_event_time_;
-
-  // True if a drag and drop operation created/pinned the item in the launcher
-  // and it needs to be deleted/unpinned again if the operation gets cancelled.
-  bool drag_and_drop_item_pinned_;
-
-  // The ShelfItem which is currently used for a drag and a drop operation
-  // or 0 otherwise.
-  ShelfID drag_and_drop_shelf_id_;
-
-  // The application ID of the application which we drag and drop.
-  std::string drag_and_drop_app_id_;
-
-  // The original launcher item's size before the dragging operation.
-  gfx::Size pre_drag_and_drop_size_;
-
-  // The image proxy for drag operations when a drag and drop host exists and
-  // the item can be dragged outside the app grid.
-  std::unique_ptr<ash::DragImageView> drag_image_;
-
-  // The cursor offset to the middle of the dragged item.
-  gfx::Vector2d drag_image_offset_;
-
-  // The view which gets replaced by our drag icon proxy.
-  views::View* drag_replaced_view_;
-
-  // True when the icon was dragged off the shelf.
-  bool dragged_off_shelf_;
-
-  // The rip off view when a snap back operation is underway.
-  views::View* snap_back_from_rip_off_view_;
-
-  // True when this ShelfView is used for Overflow Bubble.
-  bool overflow_mode_;
-
-  // Holds a pointer to main ShelfView when a ShelfView is in overflow mode.
-  ShelfView* main_shelf_;
-
-  // True when ripped item from overflow bubble is entered into Shelf.
-  bool dragged_off_from_overflow_to_shelf_;
-
-  // True if the event is a repost event from a event which has just closed the
-  // menu of the same shelf item.
-  bool is_repost_event_on_same_item_;
-
-  // Record the index for the last pressed shelf item. This variable is used to
-  // check if a repost event occurs on the same shelf item as previous one. If
-  // so, the repost event should be ignored.
-  int last_pressed_index_;
-
-  // Tracks UMA metrics based on shelf button press actions.
-  ShelfButtonPressedMetricTracker shelf_button_pressed_metric_tracker_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShelfView);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SHELF_SHELF_VIEW_H_