Positions the launcher in the bottom left corner. Adds ShellDelegate

ui/aura_shell/launcher/launcher_model.h

 // Copyright (c) 2011 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 UI_AURA_SHELL_LAUNCHER_MODEL_H_
 #define UI_AURA_SHELL_LAUNCHER_MODEL_H_
 #pragma once
 
 #include <vector>
 
 #include "base/observer_list.h"
 #include "ui/aura_shell/aura_shell_export.h"
+#include "ui/aura_shell/launcher/launcher_types.h"
 
 namespace views {
 class View;
 }
 
 namespace aura_shell {
 
 class LauncherModelObserver;
 
 // Model used by LauncherView.
 class AURA_SHELL_EXPORT LauncherModel {
  public:
   LauncherModel();
   ~LauncherModel();
 
-  // Adds a new view to the model. The model takes ownership of the view.
-  void AddItem(views::View* view, int index, bool draggable);
+  static LauncherModel* instance() { return instance_; }
 
-  // Removes an item by the view.
-  void RemoveItem(views::View* view);
+  // Adds a new item to the model.
+  void Add(int index, const LauncherItem& item);
 
   // Removes the item at |index|.
   void RemoveItemAt(int index);
 
-  // The selected index; -1 if nothing is selected.
-  void SetSelectedIndex(int index);
-  int selected_index() const { return selected_index_; }
+  // Changes the images of the specified item.
+  void SetTabbedImages(int index, const LauncherTabbedImages& images);
+  void SetAppImage(int index, const SkBitmap& image);
 
-  // Returns the index of |view|, or -1 if view isn't contained in this model.
-  int IndexOfItemByView(views::View* view);
+  const LauncherItems& items() const { return items_; }
   int item_count() const { return static_cast<int>(items_.size()); }
-  views::View* view_at(int index) { return items_[index].view; }
-  bool is_draggable(int index) { return items_[index].draggable; }
 
   void AddObserver(LauncherModelObserver* observer);
   void RemoveObserver(LauncherModelObserver* observer);
 
  private:
-  struct Item {
-    Item() : view(NULL), draggable(false) {}
+  LauncherItems items_;
+  ObserverList<LauncherModelObserver> observers_;
 
-    // The view, we own this.
-    views::View* view;
-    bool draggable;
-  };
-  typedef std::vector<Item> Items;
-
-  Items items_;
-  int selected_index_;
-  ObserverList<LauncherModelObserver> observers_;
+  static LauncherModel* instance_;

[Ben Goodger (Google), 2011/10/13 03:03:39]

I'm not sure you'll want this to be global like this, think of multiple signed
in users.

 
   DISALLOW_COPY_AND_ASSIGN(LauncherModel);
 };
 
 }  // namespace aura_shell
 
 #endif  // UI_AURA_SHELL_LAUNCHER_MODEL_H_