chrome/browser/notifications/message_center_settings_controller.h

   1 // Copyright (c) 2013 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_NOTIFICATIONS_MESSAGE_CENTER_SETTINGS_CONTROLLER_H_
   6 #define CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_SETTINGS_CONTROLLER_H_
   7
   8 #include <map>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/memory/scoped_vector.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "base/observer_list.h"
  16 #include "chrome/browser/extensions/app_icon_loader.h"
  17 #include "chrome/common/content_settings.h"
  18 #include "components/favicon_base/favicon_types.h"
  19 #include "content/public/browser/notification_details.h"
  20 #include "content/public/browser/notification_observer.h"
  21 #include "content/public/browser/notification_registrar.h"
  22 #include "content/public/browser/notification_source.h"
  23 #include "ui/message_center/notifier_settings.h"
  24
  25 #if defined(OS_CHROMEOS)
  26 #include "components/user_manager/user_manager.h"
  27 #endif
  28
  29 class Profile;
  30 class ProfileInfoCache;
  31
  32 namespace base {
  33 class CancelableTaskTracker;
  34 }
  35
  36 namespace favicon_base {
  37 struct FaviconImageResult;
  38 }
  39
  40 namespace message_center {
  41 class ProfileNotifierGroup;
  42 }
  43
  44 // The class to bridge between the settings UI of notifiers and the preference
  45 // storage.
  46 class MessageCenterSettingsController
  47     : public message_center::NotifierSettingsProvider,
  48       public content::NotificationObserver,
  49 #if defined(OS_CHROMEOS)
  50       public user_manager::UserManager::UserSessionStateObserver,
  51 #endif
  52       public extensions::AppIconLoader::Delegate {
  53  public:
  54   explicit MessageCenterSettingsController(
  55       ProfileInfoCache* profile_info_cache);
  56   virtual ~MessageCenterSettingsController();
  57
  58   // Overridden from message_center::NotifierSettingsProvider.
  59   virtual void AddObserver(
  60       message_center::NotifierSettingsObserver* observer) OVERRIDE;
  61   virtual void RemoveObserver(
  62       message_center::NotifierSettingsObserver* observer) OVERRIDE;
  63   virtual size_t GetNotifierGroupCount() const OVERRIDE;
  64   virtual const message_center::NotifierGroup& GetNotifierGroupAt(
  65       size_t index) const OVERRIDE;
  66   virtual bool IsNotifierGroupActiveAt(size_t index) const OVERRIDE;
  67   virtual void SwitchToNotifierGroup(size_t index) OVERRIDE;
  68   virtual const message_center::NotifierGroup& GetActiveNotifierGroup() const
  69       OVERRIDE;
  70   virtual void GetNotifierList(
  71       std::vector<message_center::Notifier*>* notifiers) OVERRIDE;
  72   virtual void SetNotifierEnabled(const message_center::Notifier& notifier,
  73                                   bool enabled) OVERRIDE;
  74   virtual void OnNotifierSettingsClosing() OVERRIDE;
  75   virtual bool NotifierHasAdvancedSettings(
  76       const message_center::NotifierId& notifier_id) const OVERRIDE;
  77   virtual void OnNotifierAdvancedSettingsRequested(
  78       const message_center::NotifierId& notifier_id,
  79       const std::string* notification_id) OVERRIDE;
  80
  81 #if defined(OS_CHROMEOS)
  82   // Overridden from user_manager::UserManager::UserSessionStateObserver.
  83   virtual void ActiveUserChanged(
  84       const user_manager::User* active_user) OVERRIDE;
  85 #endif
  86
  87   // Overridden from extensions::AppIconLoader::Delegate.
  88   virtual void SetAppImage(const std::string& id,
  89                            const gfx::ImageSkia& image) OVERRIDE;
  90
  91  private:
  92   // Overridden from content::NotificationObserver.
  93   virtual void Observe(int type,
  94                        const content::NotificationSource& source,
  95                        const content::NotificationDetails& details) OVERRIDE;
  96
  97   void OnFaviconLoaded(const GURL& url,
  98                        const favicon_base::FaviconImageResult& favicon_result);
  99
 100 #if defined(OS_CHROMEOS)
 101   // Sets up the notifier group for the guest session. This needs to be
 102   // separated from RebuildNotifierGroup() and called asynchronously to avoid
 103   // the infinite loop of creating profile. See more the comment of
 104   // RebuildNotifierGroups().
 105   void CreateNotifierGroupForGuestLogin();
 106 #endif
 107
 108   void RebuildNotifierGroups();
 109
 110   // The views displaying notifier settings.
 111   ObserverList<message_center::NotifierSettingsObserver> observers_;
 112
 113   // The task tracker for loading favicons.
 114   scoped_ptr<base::CancelableTaskTracker> favicon_tracker_;
 115
 116   scoped_ptr<extensions::AppIconLoader> app_icon_loader_;
 117
 118   std::map<base::string16, ContentSettingsPattern> patterns_;
 119
 120   // The list of all configurable notifier groups. This is each profile that is
 121   // loaded (and in the ProfileInfoCache - so no incognito profiles go here).
 122   ScopedVector<message_center::ProfileNotifierGroup> notifier_groups_;
 123   size_t current_notifier_group_;
 124
 125   content::NotificationRegistrar registrar_;
 126
 127   ProfileInfoCache* profile_info_cache_;
 128
 129   base::WeakPtrFactory<MessageCenterSettingsController> weak_factory_;
 130
 131   DISALLOW_COPY_AND_ASSIGN(MessageCenterSettingsController);
 132 };
 133
 134 #endif  // CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_SETTINGS_CONTROLLER_H_