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 "extensions/browser/app_window/app_window_registry.h"
13#include "ui/aura/window_observer.h"
14#include "ui/wm/public/activation_change_observer.h"
15
16namespace aura {
17
18class Window;
19
20namespace client {
21class ActivationClient;
22}
23}
24
25namespace extensions {
26class AppWindow;
27}
28
29class ChromeLauncherController;
30class Profile;
31class 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.
36class AppWindowLauncherController
37    : public extensions::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(
54      extensions::AppWindow* app_window) OVERRIDE;
55  virtual void OnAppWindowShown(extensions::AppWindow* app_window) OVERRIDE;
56  virtual void OnAppWindowHidden(extensions::AppWindow* app_window) OVERRIDE;
57
58  // Overriden from aura::WindowObserver:
59  virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
60
61  // Overriden from client::ActivationChangeObserver:
62  virtual void OnWindowActivated(aura::Window* gained_active,
63                                 aura::Window* lost_active) OVERRIDE;
64
65 protected:
66  // Registers a app window with the shelf and this object.
67  void RegisterApp(extensions::AppWindow* app_window);
68
69  // Unregisters a app window with the shelf and this object.
70  void UnregisterApp(aura::Window* window);
71
72  // Check if a given window is known to the launcher controller.
73  bool IsRegisteredApp(aura::Window* window);
74
75 private:
76  typedef std::map<std::string, AppWindowLauncherItemController*>
77      AppControllerMap;
78  typedef std::map<aura::Window*, std::string> WindowToAppShelfIdMap;
79
80  AppWindowLauncherItemController* ControllerForWindow(aura::Window* window);
81
82  ChromeLauncherController* owner_;
83  // A set of unowned AppWindowRegistry pointers for loaded users.
84  // Note that this will only be used with multiple users in the side by side
85  // mode.
86  std::set<extensions::AppWindowRegistry*> registry_;
87  aura::client::ActivationClient* activation_client_;
88
89  // Map of app launcher id to controller.
90  AppControllerMap app_controller_map_;
91
92  // Allows us to get from an aura::Window to the app shelf id.
93  WindowToAppShelfIdMap window_to_app_shelf_id_map_;
94
95  DISALLOW_COPY_AND_ASSIGN(AppWindowLauncherController);
96};
97
98#endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_CONTROLLER_H_
99