chrome/browser/ui/settings_window_manager.h

   1 // Copyright (c) 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_SETTINGS_WINDOW_MANAGER_H_
   6 #define CHROME_BROWSER_UI_SETTINGS_WINDOW_MANAGER_H_
   7
   8 #include <map>
   9 #include <string>
  10
  11 #include "base/memory/singleton.h"
  12 #include "base/observer_list.h"
  13 #include "components/sessions/session_id.h"
  14
  15 class Browser;
  16 class GURL;
  17 class Profile;
  18
  19 namespace chrome {
  20
  21 class SettingsWindowManagerObserver;
  22
  23 // Class for managing settings windows when --enable-settings-window is enabled.
  24 // TODO(stevenjb): Remove flag comment if enabled by default.
  25
  26 class SettingsWindowManager {
  27  public:
  28   static SettingsWindowManager* GetInstance();
  29
  30   void AddObserver(SettingsWindowManagerObserver* observer);
  31   void RemoveObserver(SettingsWindowManagerObserver* observer);
  32
  33   // Shows a chrome:// page (e.g. Settings, About) in an an existing system
  34   // Browser window for |profile| or creates a new one.
  35   void ShowChromePageForProfile(Profile* profile, const GURL& gurl);
  36
  37   // If a Browser settings window for |profile| has already been created,
  38   // returns it, otherwise returns NULL.
  39   Browser* FindBrowserForProfile(Profile* profile);
  40
  41   // Returns true if |browser| is a settings window.
  42   bool IsSettingsBrowser(Browser* browser) const;
  43
  44  private:
  45   friend struct DefaultSingletonTraits<SettingsWindowManager>;
  46   typedef std::map<Profile*, SessionID::id_type> ProfileSessionMap;
  47
  48   SettingsWindowManager();
  49   ~SettingsWindowManager();
  50
  51   base::ObserverList<SettingsWindowManagerObserver> observers_;
  52   ProfileSessionMap settings_session_map_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(SettingsWindowManager);
  55 };
  56
  57 }  // namespace chrome
  58
  59 #endif  // CHROME_BROWSER_UI_SETTINGS_WINDOW_MANAGER_H_