mash: Use mojo for ShelfItemDelegate and [app] MenuItem.

ash/common/shelf/shelf_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_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 "ash/public/interfaces/shelf.mojom.h"
 #include "base/macros.h"
+#include "base/memory/weak_ptr.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"
 
@@ skipping 254 matching lines @@
 
   // 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;
+                              mojom::ShelfItemDelegate* item_delegate) override;
+
+  // Handles the result of an item selection, records the |action| taken and
+  // optionally shows an application menu with the given |menu_items|.
+  void AfterItemSelected(const ShelfItem& item,
+                         views::Button* sender,
+                         std::unique_ptr<ui::Event> event,
+                         views::InkDrop* ink_drop,
+                         ShelfAction action,
+                         std::vector<mojom::MenuItemPtr> menu_items);
 
   // 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);
@@ skipping 151 matching lines @@
   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_;
 
+  base::WeakPtrFactory<ShelfView> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(ShelfView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SHELF_SHELF_VIEW_H_