chrome/browser/ui/app_list/app_list_shower_views.h

   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_APP_LIST_APP_LIST_SHOWER_VIEWS_H_
   6 #define CHROME_BROWSER_UI_APP_LIST_APP_LIST_SHOWER_VIEWS_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/gfx/native_widget_types.h"
  10
  11 namespace app_list {
  12 class AppListView;
  13 }
  14
  15 class AppListShowerDelegate;
  16 class AppListShowerUnitTest;
  17 class Profile;
  18 class ScopedKeepAlive;
  19
  20 // Creates and shows an AppList as needed for non-Ash desktops. It is owned by
  21 // AppListServiceViews.
  22 class AppListShower {
  23  public:
  24   explicit AppListShower(AppListShowerDelegate* delegate);
  25   virtual ~AppListShower();
  26
  27   void ShowForCurrentProfile();
  28   gfx::NativeWindow GetWindow();
  29
  30   app_list::AppListView* app_list() { return app_list_; }
  31   Profile* profile() const { return profile_; }
  32
  33   // Create or recreate, and initialize |app_list_| from |requested_profile|.
  34   void CreateViewForProfile(Profile* requested_profile);
  35
  36   void DismissAppList();
  37
  38   // Virtual functions mocked out in tests.
  39   virtual void HandleViewBeingDestroyed();
  40   virtual bool IsAppListVisible() const;
  41   void WarmupForProfile(Profile* profile);
  42   virtual bool HasView() const;
  43
  44  protected:
  45   virtual app_list::AppListView* MakeViewForCurrentProfile();
  46   virtual void UpdateViewForNewProfile();
  47
  48   // Shows the app list, activates it, and ensures the taskbar icon is updated.
  49   virtual void Show();
  50   virtual void Hide();
  51
  52  private:
  53   friend class ::AppListShowerUnitTest;
  54
  55   void ResetKeepAliveSoon();
  56   void ResetKeepAlive();
  57
  58   AppListShowerDelegate* delegate_;  // Weak. Owns this.
  59
  60   // The profile currently shown by |app_list_|.
  61   Profile* profile_;
  62
  63   // The view, once created. Owned by native widget.
  64   app_list::AppListView* app_list_;
  65
  66   // Used to keep the browser process alive while the app list is visible.
  67   scoped_ptr<ScopedKeepAlive> keep_alive_;
  68
  69   bool window_icon_updated_;
  70
  71   DISALLOW_COPY_AND_ASSIGN(AppListShower);
  72 };
  73
  74 #endif  // CHROME_BROWSER_UI_APP_LIST_APP_LIST_SHOWER_VIEWS_H_