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

   1 // Copyright 2014 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_APP_WINDOW_LAUNCHER_CONTROLLER_H_
   6 #define CHROME_BROWSER_UI_ASH_LAUNCHER_APP_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/window_observer.h"
  14 #include "ui/wm/public/activation_change_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 class ChromeLauncherController;
  30 class Profile;
  31 class AppWindowLauncherItemController;
  32
  33 // AppWindowLauncherController observes the app window registry and the
  34 // aura window manager. It handles adding and removing launcher items from
  35 // ChromeLauncherController.
  36 class AppWindowLauncherController
  37     : public apps::AppWindowRegistry::Observer,
  38       public aura::WindowObserver,
  39       public aura::client::ActivationChangeObserver {
  40  public:
  41   explicit AppWindowLauncherController(ChromeLauncherController* owner);
  42   virtual ~AppWindowLauncherController();
  43
  44   // Called by ChromeLauncherController when the active user changed and the
  45   // items need to be updated.
  46   virtual void ActiveUserChanged(const std::string& user_email) {}
  47
  48   // An additional user identified by |Profile|, got added to the existing
  49   // session.
  50   virtual void AdditionalUserAddedToSession(Profile* profile);
  51
  52   // Overridden from AppWindowRegistry::Observer:
  53   virtual void OnAppWindowIconChanged(apps::AppWindow* app_window) OVERRIDE;
  54   virtual void OnAppWindowShown(apps::AppWindow* app_window) OVERRIDE;
  55   virtual void OnAppWindowHidden(apps::AppWindow* app_window) OVERRIDE;
  56
  57   // Overriden from aura::WindowObserver:
  58   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
  59
  60   // Overriden from client::ActivationChangeObserver:
  61   virtual void OnWindowActivated(aura::Window* gained_active,
  62                                  aura::Window* lost_active) OVERRIDE;
  63
  64  protected:
  65   // Registers a app window with the shelf and this object.
  66   void RegisterApp(apps::AppWindow* app_window);
  67
  68   // Unregisters a app window with the shelf and this object.
  69   void UnregisterApp(aura::Window* window);
  70
  71   // Check if a given window is known to the launcher controller.
  72   bool IsRegisteredApp(aura::Window* window);
  73
  74  private:
  75   typedef std::map<std::string, AppWindowLauncherItemController*>
  76       AppControllerMap;
  77   typedef std::map<aura::Window*, std::string> WindowToAppShelfIdMap;
  78
  79   AppWindowLauncherItemController* ControllerForWindow(aura::Window* window);
  80
  81   ChromeLauncherController* owner_;
  82   // A set of unowned AppWindowRegistry pointers for loaded users.
  83   // Note that this will only be used with multiple users in the side by side
  84   // mode.
  85   std::set<apps::AppWindowRegistry*> registry_;
  86   aura::client::ActivationClient* activation_client_;
  87
  88   // Map of app launcher id to controller.
  89   AppControllerMap app_controller_map_;
  90
  91   // Allows us to get from an aura::Window to the app shelf id.
  92   WindowToAppShelfIdMap window_to_app_shelf_id_map_;
  93
  94   DISALLOW_COPY_AND_ASSIGN(AppWindowLauncherController);
  95 };
  96
  97 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_CONTROLLER_H_