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/shell_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 ShellWindow;
  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 Shell Window registry and the
  35 // aura window manager. It handles adding and removing launcher items from
  36 // ChromeLauncherController.
  37 class ShellWindowLauncherController
  38     : public apps::ShellWindowRegistry::Observer,
  39       public aura::WindowObserver,
  40       public aura::client::ActivationChangeObserver {
  41  public:
  42   explicit ShellWindowLauncherController(ChromeLauncherController* owner);
  43   virtual ~ShellWindowLauncherController();
  44
  45   // Called by ChromeLauncherController when the active user changed and the
  46   // items need to be updated.
  47   virtual void ActiveUserChanged(const std::string& user_email) {}
  48
  49   // An additional user identified by |Profile|, got added to the existing
  50   // session.
  51   virtual void AdditionalUserAddedToSession(Profile* profile);
  52
  53   // Overridden from ShellWindowRegistry::Observer:
  54   virtual void OnShellWindowAdded(apps::ShellWindow* shell_window) OVERRIDE;
  55   virtual void OnShellWindowIconChanged(
  56       apps::ShellWindow* shell_window) OVERRIDE;
  57   virtual void OnShellWindowRemoved(apps::ShellWindow* shell_window) OVERRIDE;
  58
  59   // Overriden from aura::WindowObserver:
  60   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
  61
  62   // Overriden from client::ActivationChangeObserver:
  63   virtual void OnWindowActivated(aura::Window* gained_active,
  64                                  aura::Window* lost_active) OVERRIDE;
  65
  66  protected:
  67   // Registers a shell window with the shelf and this object.
  68   void RegisterApp(apps::ShellWindow* shell_window);
  69
  70   // Unregisters a shell window with the shelf and this object.
  71   void UnregisterApp(aura::Window* window);
  72
  73   // Check if a given window is known to the launcher controller.
  74   bool IsRegisteredApp(aura::Window* window);
  75
  76  private:
  77   typedef std::map<std::string, ShellWindowLauncherItemController*>
  78       AppControllerMap;
  79   typedef std::map<aura::Window*, std::string> WindowToAppLauncherIdMap;
  80
  81   ShellWindowLauncherItemController* ControllerForWindow(aura::Window* window);
  82
  83   ChromeLauncherController* owner_;
  84   // A set of unowned ShellWindowRegistry pointers for loaded users.
  85   // Note that this will only be used with multiple users in the side by side
  86   // mode.
  87   std::set<apps::ShellWindowRegistry*> registry_;
  88   aura::client::ActivationClient* activation_client_;
  89
  90   // Map of app launcher id to controller.
  91   AppControllerMap app_controller_map_;
  92
  93   // Allows us to get from an aura::Window to the app launcher id.
  94   WindowToAppLauncherIdMap window_to_app_launcher_id_map_;
  95
  96   DISALLOW_COPY_AND_ASSIGN(ShellWindowLauncherController);
  97 };
  98
  99 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_CONTROLLER_H_