chrome/browser/ui/ash/launcher/shell_window_launcher_controller.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_CONTROLLER_H_
   6 #define CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_CONTROLLER_H_
   7
   8 #include <list>
   9 #include <map>
  10 #include <string>
  11
  12 #include "apps/app_window_registry.h"
  13 #include "ui/aura/client/activation_change_observer.h"
  14 #include "ui/aura/window_observer.h"
  15
  16 namespace apps {
  17 class AppWindow;
  18 }
  19
  20 namespace aura {
  21
  22 class Window;
  23
  24 namespace client {
  25 class ActivationClient;
  26 }
  27
  28 }
  29
  30 class ChromeLauncherController;
  31 class Profile;
  32 class ShellWindowLauncherItemController;
  33
  34 // ShellWindowLauncherController observes the app window registry and the
  35 // aura window manager. It handles adding and removing launcher items from
  36 // ChromeLauncherController.
  37 // TODO(jamescook): Rename this to AppWindowLauncherController.
  38 // http://crbug.com/344079
  39 class ShellWindowLauncherController
  40     : public apps::AppWindowRegistry::Observer,
  41       public aura::WindowObserver,
  42       public aura::client::ActivationChangeObserver {
  43  public:
  44   explicit ShellWindowLauncherController(ChromeLauncherController* owner);
  45   virtual ~ShellWindowLauncherController();
  46
  47   // Called by ChromeLauncherController when the active user changed and the
  48   // items need to be updated.
  49   virtual void ActiveUserChanged(const std::string& user_email) {}
  50
  51   // An additional user identified by |Profile|, got added to the existing
  52   // session.
  53   virtual void AdditionalUserAddedToSession(Profile* profile);
  54
  55   // Overridden from AppWindowRegistry::Observer:
  56   virtual void OnAppWindowAdded(apps::AppWindow* app_window) OVERRIDE;
  57   virtual void OnAppWindowIconChanged(apps::AppWindow* app_window) OVERRIDE;
  58   virtual void OnAppWindowRemoved(apps::AppWindow* app_window) OVERRIDE;
  59
  60   // Overriden from aura::WindowObserver:
  61   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
  62
  63   // Overriden from client::ActivationChangeObserver:
  64   virtual void OnWindowActivated(aura::Window* gained_active,
  65                                  aura::Window* lost_active) OVERRIDE;
  66
  67  protected:
  68   // Registers a app window with the shelf and this object.
  69   void RegisterApp(apps::AppWindow* app_window);
  70
  71   // Unregisters a app window with the shelf and this object.
  72   void UnregisterApp(aura::Window* window);
  73
  74   // Check if a given window is known to the launcher controller.
  75   bool IsRegisteredApp(aura::Window* window);
  76
  77  private:
  78   typedef std::map<std::string, ShellWindowLauncherItemController*>
  79       AppControllerMap;
  80   typedef std::map<aura::Window*, std::string> WindowToAppShelfIdMap;
  81
  82   ShellWindowLauncherItemController* ControllerForWindow(aura::Window* window);
  83
  84   ChromeLauncherController* owner_;
  85   // A set of unowned AppWindowRegistry pointers for loaded users.
  86   // Note that this will only be used with multiple users in the side by side
  87   // mode.
  88   std::set<apps::AppWindowRegistry*> registry_;
  89   aura::client::ActivationClient* activation_client_;
  90
  91   // Map of app launcher id to controller.
  92   AppControllerMap app_controller_map_;
  93
  94   // Allows us to get from an aura::Window to the app shelf id.
  95   WindowToAppShelfIdMap window_to_app_shelf_id_map_;
  96
  97   DISALLOW_COPY_AND_ASSIGN(ShellWindowLauncherController);
  98 };
  99
 100 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_CONTROLLER_H_