chrome/browser/ui/ash/launcher/shell_window_launcher_item_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_ITEM_CONTROLLER_H_
   6 #define CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_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
  16 namespace apps {
  17 class ShellWindow;
  18 }
  19
  20 namespace aura {
  21 class Window;
  22 }
  23
  24 namespace gfx {
  25 class Image;
  26 }
  27
  28 class ChromeLauncherController;
  29
  30 // This is a ShellWindowItemLauncherController for shell windows. There is one
  31 // instance per app, per launcher id.
  32 // For apps with multiple windows, each item controller keeps track of all
  33 // windows associated with the app and their activation order.
  34 // Instances are owned by ash::ShelfItemDelegateManager.
  35 //
  36 // Tests are in chrome_launcher_controller_browsertest.cc
  37
  38 class ShellWindowLauncherItemController : public LauncherItemController,
  39                                           public aura::WindowObserver {
  40  public:
  41   ShellWindowLauncherItemController(Type type,
  42                                     const std::string& app_launcher_id,
  43                                     const std::string& app_id,
  44                                     ChromeLauncherController* controller);
  45
  46   virtual ~ShellWindowLauncherItemController();
  47
  48   void AddShellWindow(apps::ShellWindow* shell_window,
  49                       ash::LauncherItemStatus status);
  50
  51   void RemoveShellWindowForWindow(aura::Window* window);
  52
  53   void SetActiveWindow(aura::Window* window);
  54
  55   const std::string& app_launcher_id() const { return app_launcher_id_; }
  56
  57   // LauncherItemController overrides:
  58   virtual bool IsOpen() const OVERRIDE;
  59   virtual bool IsVisible() const OVERRIDE;
  60   virtual void Launch(ash::LaunchSource source, int event_flags) OVERRIDE;
  61   virtual bool Activate(ash::LaunchSource source) OVERRIDE;
  62   virtual ChromeLauncherAppMenuItems GetApplicationList(
  63       int event_flags) OVERRIDE;
  64   virtual bool ItemSelected(const ui::Event& eent) OVERRIDE;
  65   virtual base::string16 GetTitle() OVERRIDE;
  66   virtual ui::MenuModel* CreateContextMenu(aura::Window* root_window) OVERRIDE;
  67   virtual ash::ShelfMenuModel* CreateApplicationMenu(int event_flags) OVERRIDE;
  68   virtual bool IsDraggable() OVERRIDE;
  69   virtual bool ShouldShowTooltip() OVERRIDE;
  70   virtual void Close() OVERRIDE;
  71
  72   // aura::WindowObserver overrides:
  73   virtual void OnWindowPropertyChanged(aura::Window* window,
  74                                        const void* key,
  75                                        intptr_t old) OVERRIDE;
  76
  77   // Get the number of running applications/incarnations of this.
  78   size_t shell_window_count() const { return shell_windows_.size(); }
  79
  80   // Activates the window at position |index|.
  81   void ActivateIndexedApp(size_t index);
  82
  83  private:
  84   typedef std::list<apps::ShellWindow*> ShellWindowList;
  85
  86   void ShowAndActivateOrMinimize(apps::ShellWindow* shell_window);
  87
  88   // Activate the given |window_to_show|, or - if already selected - advance to
  89   // the next window of similar type.
  90   void ActivateOrAdvanceToNextShellWindow(apps::ShellWindow* window_to_show);
  91
  92   // List of associated shell windows
  93   ShellWindowList shell_windows_;
  94
  95   // Pointer to the most recently active shell window
  96   apps::ShellWindow* last_active_shell_window_;
  97
  98   // The launcher id associated with this set of windows. There is one
  99   // AppLauncherItemController for each |app_launcher_id_|.
 100   const std::string app_launcher_id_;
 101
 102   // Scoped list of observed windows (for removal on destruction)
 103   ScopedObserver<aura::Window, aura::WindowObserver> observed_windows_;
 104
 105   DISALLOW_COPY_AND_ASSIGN(ShellWindowLauncherItemController);
 106 };
 107
 108 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_SHELL_WINDOW_LAUNCHER_ITEM_CONTROLLER_H_