| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_MESSAGE_CENTER_POPUP_TIMERS_CONTROLLER_H_ |
| #define UI_MESSAGE_CENTER_POPUP_TIMERS_CONTROLLER_H_ |
| |
| #include <map> |
| #include <memory> |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "ui/message_center/message_center.h" |
| #include "ui/message_center/message_center_observer.h" |
| #include "ui/message_center/popup_timer.h" |
| |
| namespace message_center { |
| |
| // A class that manages all the timers running for individual notification popup |
| // windows. It supports weak pointers in order to allow safe callbacks when |
| // timers expire. |
| // We can use SupportsWeakPtr<> because PopupTimer does not |
| // access this class in its destructor so it is safe to invalidate weak pointers |
| // after we destroy |popup_timers_| |
| class MESSAGE_CENTER_EXPORT PopupTimersController |
| : public base::SupportsWeakPtr<PopupTimersController>, |
| public MessageCenterObserver, |
| public PopupTimer::Delegate { |
| public: |
| explicit PopupTimersController(MessageCenter* message_center); |
| ~PopupTimersController() override; |
| |
| // MessageCenterObserver implementation. |
| void OnNotificationDisplayed(const std::string& id, |
| const DisplaySource source) override; |
| void OnNotificationUpdated(const std::string& id) override; |
| void OnNotificationRemoved(const std::string& id, bool by_user) override; |
| |
| // PopupTimer::Delegate implementation |
| void TimerFinished(const std::string& id) override; |
| |
| // Pauses all running timers. |
| void PauseAll(); |
| |
| // Continues all managed timers. |
| void StartAll(); |
| |
| // Removes all managed timers. |
| void CancelAll(); |
| |
| // Starts a timer (by creating a PopupTimer) for |id|. |
| void StartTimer(const std::string& id, |
| const base::TimeDelta& timeout_in_seconds); |
| |
| // Removes and cancels a single popup timer, if it exists. |
| void CancelTimer(const std::string& id); |
| |
| private: |
| // Weak, global. |
| MessageCenter* message_center_; |
| |
| // The PopupTimerCollection contains all the managed timers by their ID. |
| using PopupTimerCollection = |
| std::map<std::string, std::unique_ptr<PopupTimer>>; |
| PopupTimerCollection popup_timers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PopupTimersController); |
| }; |
| |
| } // namespace message_center |
| |
| #endif // UI_MESSAGE_CENTER_POPUP_TIMERS_CONTROLLER_H_ |