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_ITEM_CONTROLLER_H_
6#define CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
7
8#include <list>
9#include <string>
10
11#include "base/memory/scoped_ptr.h"
12#include "base/scoped_observer.h"
13#include "chrome/browser/ui/ash/launcher/launcher_item_controller.h"
14#include "ui/aura/window_observer.h"
15
16namespace aura {
17class Window;
18}
19
20namespace extensions {
21class AppWindow;
22}
23
24namespace gfx {
25class Image;
26}
27
28class ChromeLauncherController;
29
30// This is a LauncherItemController for app windows. There is one instance per
31// app, per launcher id. For apps with multiple windows, each item controller
32// keeps track of all windows associated with the app and their activation
33// order. Instances are owned by ash::ShelfItemDelegateManager.
34//
35// Tests are in chrome_launcher_controller_browsertest.cc
36class AppWindowLauncherItemController : public LauncherItemController,
37                                        public aura::WindowObserver {
38 public:
39  AppWindowLauncherItemController(Type type,
40                                  const std::string& app_shelf_id,
41                                  const std::string& app_id,
42                                  ChromeLauncherController* controller);
43
44  virtual ~AppWindowLauncherItemController();
45
46  void AddAppWindow(extensions::AppWindow* app_window,
47                    ash::ShelfItemStatus status);
48
49  void RemoveAppWindowForWindow(aura::Window* window);
50
51  void SetActiveWindow(aura::Window* window);
52
53  const std::string& app_shelf_id() const { return app_shelf_id_; }
54
55  // LauncherItemController overrides:
56  virtual bool IsOpen() const OVERRIDE;
57  virtual bool IsVisible() const OVERRIDE;
58  virtual void Launch(ash::LaunchSource source, int event_flags) OVERRIDE;
59  virtual bool Activate(ash::LaunchSource source) OVERRIDE;
60  virtual ChromeLauncherAppMenuItems GetApplicationList(int event_flags)
61      OVERRIDE;
62  virtual bool ItemSelected(const ui::Event& eent) OVERRIDE;
63  virtual base::string16 GetTitle() OVERRIDE;
64  virtual ui::MenuModel* CreateContextMenu(aura::Window* root_window) OVERRIDE;
65  virtual ash::ShelfMenuModel* CreateApplicationMenu(int event_flags) OVERRIDE;
66  virtual bool IsDraggable() OVERRIDE;
67  virtual bool ShouldShowTooltip() OVERRIDE;
68  virtual void Close() OVERRIDE;
69
70  // aura::WindowObserver overrides:
71  virtual void OnWindowPropertyChanged(aura::Window* window,
72                                       const void* key,
73                                       intptr_t old) OVERRIDE;
74
75  // Get the number of running applications/incarnations of this.
76  size_t app_window_count() const { return app_windows_.size(); }
77
78  // Activates the window at position |index|.
79  void ActivateIndexedApp(size_t index);
80
81  // Install the app. Only valid for ephemeral apps, which can be promoted to
82  // regular installed apps.
83  void InstallApp();
84
85 private:
86  typedef std::list<extensions::AppWindow*> AppWindowList;
87
88  void ShowAndActivateOrMinimize(extensions::AppWindow* app_window);
89
90  // Activate the given |window_to_show|, or - if already selected - advance to
91  // the next window of similar type.
92  void ActivateOrAdvanceToNextAppWindow(extensions::AppWindow* window_to_show);
93
94  // List of associated app windows
95  AppWindowList app_windows_;
96
97  // Pointer to the most recently active app window
98  extensions::AppWindow* last_active_app_window_;
99
100  // The launcher id associated with this set of windows. There is one
101  // AppLauncherItemController for each |app_shelf_id_|.
102  const std::string app_shelf_id_;
103
104  // Scoped list of observed windows (for removal on destruction)
105  ScopedObserver<aura::Window, aura::WindowObserver> observed_windows_;
106
107  DISALLOW_COPY_AND_ASSIGN(AppWindowLauncherItemController);
108};
109
110#endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
111