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 "components/content_settings/core/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   ~MessageCenterSettingsController() override;
  57
  58   // Overridden from message_center::NotifierSettingsProvider.
  59   void AddObserver(message_center::NotifierSettingsObserver* observer) override;
  60   void RemoveObserver(
  61       message_center::NotifierSettingsObserver* observer) override;
  62   size_t GetNotifierGroupCount() const override;
  63   const message_center::NotifierGroup& GetNotifierGroupAt(
  64       size_t index) const override;
  65   bool IsNotifierGroupActiveAt(size_t index) const override;
  66   void SwitchToNotifierGroup(size_t index) override;
  67   const message_center::NotifierGroup& GetActiveNotifierGroup() const override;
  68   void GetNotifierList(
  69       std::vector<message_center::Notifier*>* notifiers) override;
  70   void SetNotifierEnabled(const message_center::Notifier& notifier,
  71                           bool enabled) override;
  72   void OnNotifierSettingsClosing() override;
  73   bool NotifierHasAdvancedSettings(
  74       const message_center::NotifierId& notifier_id) const override;
  75   void OnNotifierAdvancedSettingsRequested(
  76       const message_center::NotifierId& notifier_id,
  77       const std::string* notification_id) override;
  78
  79 #if defined(OS_CHROMEOS)
  80   // Overridden from user_manager::UserManager::UserSessionStateObserver.
  81   virtual void ActiveUserChanged(
  82       const user_manager::User* active_user) override;
  83 #endif
  84
  85   // Overridden from extensions::AppIconLoader::Delegate.
  86   void SetAppImage(const std::string& id, const gfx::ImageSkia& image) override;
  87
  88  private:
  89   // Overridden from content::NotificationObserver.
  90   void Observe(int type,
  91                const content::NotificationSource& source,
  92                const content::NotificationDetails& details) override;
  93
  94   void OnFaviconLoaded(const GURL& url,
  95                        const favicon_base::FaviconImageResult& favicon_result);
  96
  97 #if defined(OS_CHROMEOS)
  98   // Sets up the notifier group for the guest session. This needs to be
  99   // separated from RebuildNotifierGroup() and called asynchronously to avoid
 100   // the infinite loop of creating profile. See more the comment of
 101   // RebuildNotifierGroups().
 102   void CreateNotifierGroupForGuestLogin();
 103 #endif
 104
 105   void RebuildNotifierGroups();
 106
 107   // The views displaying notifier settings.
 108   ObserverList<message_center::NotifierSettingsObserver> observers_;
 109
 110   // The task tracker for loading favicons.
 111   scoped_ptr<base::CancelableTaskTracker> favicon_tracker_;
 112
 113   scoped_ptr<extensions::AppIconLoader> app_icon_loader_;
 114
 115   std::map<base::string16, ContentSettingsPattern> patterns_;
 116
 117   // The list of all configurable notifier groups. This is each profile that is
 118   // loaded (and in the ProfileInfoCache - so no incognito profiles go here).
 119   ScopedVector<message_center::ProfileNotifierGroup> notifier_groups_;
 120   size_t current_notifier_group_;
 121
 122   content::NotificationRegistrar registrar_;
 123
 124   ProfileInfoCache* profile_info_cache_;
 125
 126   base::WeakPtrFactory<MessageCenterSettingsController> weak_factory_;
 127
 128   DISALLOW_COPY_AND_ASSIGN(MessageCenterSettingsController);
 129 };
 130
 131 #endif  // CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_SETTINGS_CONTROLLER_H_