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// Copyright (c) 2013 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_MESSAGE_CENTER_IMPL_H_
#define UI_MESSAGE_CENTER_MESSAGE_CENTER_IMPL_H_
#include <stddef.h>
#include <memory>
#include <string>
#include <vector>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "ui/message_center/message_center.h"
#include "ui/message_center/message_center_observer.h"
#include "ui/message_center/message_center_types.h"
#include "ui/message_center/notification_blocker.h"
#include "ui/message_center/notifier_settings.h"
#include "ui/message_center/popup_timers_controller.h"
namespace message_center {
class MessageCenterImpl;
namespace internal {
class ChangeQueue;
}
// The default implementation of MessageCenter.
class MessageCenterImpl : public MessageCenter,
public NotificationBlocker::Observer,
public message_center::NotifierSettingsObserver {
public:
MessageCenterImpl();
~MessageCenterImpl() override;
// MessageCenter overrides:
void AddObserver(MessageCenterObserver* observer) override;
void RemoveObserver(MessageCenterObserver* observer) override;
void AddNotificationBlocker(NotificationBlocker* blocker) override;
void RemoveNotificationBlocker(NotificationBlocker* blocker) override;
void SetVisibility(Visibility visible) override;
bool IsMessageCenterVisible() const override;
size_t NotificationCount() const override;
size_t UnreadNotificationCount() const override;
bool HasPopupNotifications() const override;
bool IsQuietMode() const override;
bool IsLockedState() const override;
bool HasClickedListener(const std::string& id) override;
message_center::Notification* FindVisibleNotificationById(
const std::string& id) override;
const NotificationList::Notifications& GetVisibleNotifications() override;
NotificationList::PopupNotifications GetPopupNotifications() override;
void AddNotification(std::unique_ptr<Notification> notification) override;
void UpdateNotification(
const std::string& old_id,
std::unique_ptr<Notification> new_notification) override;
void RemoveNotification(const std::string& id, bool by_user) override;
void RemoveAllNotifications(bool by_user, RemoveType type) override;
void SetNotificationIcon(const std::string& notification_id,
const gfx::Image& image) override;
void SetNotificationImage(const std::string& notification_id,
const gfx::Image& image) override;
void SetNotificationButtonIcon(const std::string& notification_id,
int button_index,
const gfx::Image& image) override;
void DisableNotificationsByNotifier(const NotifierId& notifier_id) override;
void ClickOnNotification(const std::string& id) override;
void ClickOnNotificationButton(const std::string& id,
int button_index) override;
void ClickOnSettingsButton(const std::string& id) override;
void MarkSinglePopupAsShown(const std::string& id,
bool mark_notification_as_read) override;
void DisplayedNotification(const std::string& id,
const DisplaySource source) override;
void SetNotifierSettingsProvider(NotifierSettingsProvider* provider) override;
NotifierSettingsProvider* GetNotifierSettingsProvider() override;
void SetQuietMode(bool in_quiet_mode) override;
void SetLockedState(bool locked) override;
void EnterQuietModeWithExpire(const base::TimeDelta& expires_in) override;
void RestartPopupTimers() override;
void PausePopupTimers() override;
void ForceNotificationFlush(const std::string& id) override;
// NotificationBlocker::Observer overrides:
void OnBlockingStateChanged(NotificationBlocker* blocker) override;
// message_center::NotifierSettingsObserver overrides:
void UpdateIconImage(const NotifierId& notifier_id,
const gfx::Image& icon) override;
void NotifierGroupChanged() override;
void NotifierEnabledChanged(const NotifierId& notifier_id,
bool enabled) override;
// Unexposed methods:
void AddNotificationImmediately(std::unique_ptr<Notification> notification);
void UpdateNotificationImmediately(
const std::string& old_id,
std::unique_ptr<Notification> new_notification);
void RemoveNotificationImmediately(const std::string& id, bool by_user);
protected:
void DisableTimersForTest() override;
void EnableChangeQueueForTest(bool enable) override;
private:
struct NotificationCache {
NotificationCache();
~NotificationCache();
void Rebuild(const NotificationList::Notifications& notifications);
void RecountUnread();
NotificationList::Notifications visible_notifications;
size_t unread_count;
};
void RemoveNotificationsForNotifierId(const NotifierId& notifier_id);
std::unique_ptr<NotificationList> notification_list_;
NotificationCache notification_cache_;
base::ObserverList<MessageCenterObserver> observer_list_;
std::unique_ptr<PopupTimersController> popup_timers_controller_;
std::unique_ptr<base::OneShotTimer> quiet_mode_timer_;
NotifierSettingsProvider* settings_provider_;
std::vector<NotificationBlocker*> blockers_;
bool locked_ = false;
bool visible_ = false;
// Queue for the notifications to delay the addition/updates when the message
// center is visible.
std::unique_ptr<internal::ChangeQueue> notification_queue_;
DISALLOW_COPY_AND_ASSIGN(MessageCenterImpl);
};
} // namespace message_center
#endif // UI_MESSAGE_CENTER_MESSAGE_CENTER_H_
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