app_window_launcher_item_controller.h revision cedac228d2dd51db4b79ea1e72c7f249408ee061 
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 apps {
17class AppWindow;
18}
19
20namespace aura {
21class Window;
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(apps::AppWindow* app_window, ash::ShelfItemStatus status);
47
48  void RemoveAppWindowForWindow(aura::Window* window);
49
50  void SetActiveWindow(aura::Window* window);
51
52  const std::string& app_shelf_id() const { return app_shelf_id_; }
53
54  // LauncherItemController overrides:
55  virtual bool IsOpen() const OVERRIDE;
56  virtual bool IsVisible() const OVERRIDE;
57  virtual void Launch(ash::LaunchSource source, int event_flags) OVERRIDE;
58  virtual bool Activate(ash::LaunchSource source) OVERRIDE;
59  virtual ChromeLauncherAppMenuItems GetApplicationList(int event_flags)
60      OVERRIDE;
61  virtual bool ItemSelected(const ui::Event& eent) OVERRIDE;
62  virtual base::string16 GetTitle() OVERRIDE;
63  virtual ui::MenuModel* CreateContextMenu(aura::Window* root_window) OVERRIDE;
64  virtual ash::ShelfMenuModel* CreateApplicationMenu(int event_flags) OVERRIDE;
65  virtual bool IsDraggable() OVERRIDE;
66  virtual bool ShouldShowTooltip() OVERRIDE;
67  virtual void Close() OVERRIDE;
68
69  // aura::WindowObserver overrides:
70  virtual void OnWindowPropertyChanged(aura::Window* window,
71                                       const void* key,
72                                       intptr_t old) OVERRIDE;
73
74  // Get the number of running applications/incarnations of this.
75  size_t app_window_count() const { return app_windows_.size(); }
76
77  // Activates the window at position |index|.
78  void ActivateIndexedApp(size_t index);
79
80  // Install the app. Only valid for ephemeral apps, which can be promoted to
81  // regular installed apps.
82  void InstallApp();
83
84 private:
85  typedef std::list<apps::AppWindow*> AppWindowList;
86
87  void ShowAndActivateOrMinimize(apps::AppWindow* app_window);
88
89  // Activate the given |window_to_show|, or - if already selected - advance to
90  // the next window of similar type.
91  void ActivateOrAdvanceToNextAppWindow(apps::AppWindow* window_to_show);
92
93  // List of associated app windows
94  AppWindowList app_windows_;
95
96  // Pointer to the most recently active app window
97  apps::AppWindow* last_active_app_window_;
98
99  // The launcher id associated with this set of windows. There is one
100  // AppLauncherItemController for each |app_shelf_id_|.
101  const std::string app_shelf_id_;
102
103  // Scoped list of observed windows (for removal on destruction)
104  ScopedObserver<aura::Window, aura::WindowObserver> observed_windows_;
105
106  DISALLOW_COPY_AND_ASSIGN(AppWindowLauncherItemController);
107};
108
109#endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_APP_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_
110