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// Copyright 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 CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_STATS_COLLECTOR_H_
#define CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_STATS_COLLECTOR_H_
#include <set>
#include <string>
#include "ui/message_center/message_center.h"
#include "ui/message_center/message_center_observer.h"
#include "ui/message_center/message_center_types.h"
namespace message_center {
class MessageCenter;
}
// MessageCenterStatsCollector sends both raw and per-notification statistics
// to the UMA servers, if the user has opted in. It observes the message center
// to gather its data.
class MessageCenterStatsCollector
: public message_center::MessageCenterObserver {
public:
enum NotificationActionType {
NOTIFICATION_ACTION_UNKNOWN,
NOTIFICATION_ACTION_ADD,
NOTIFICATION_ACTION_UPDATE,
NOTIFICATION_ACTION_CLICK,
NOTIFICATION_ACTION_BUTTON_CLICK,
NOTIFICATION_ACTION_DISPLAY,
NOTIFICATION_ACTION_CLOSE_BY_USER,
NOTIFICATION_ACTION_CLOSE_BY_SYSTEM,
// NOTE: Add new action types only immediately above this line. Also,
// make sure the enum list in tools/histogram/histograms.xml is
// updated with any change in here.
NOTIFICATION_ACTION_COUNT
};
explicit MessageCenterStatsCollector(
message_center::MessageCenter* message_center);
~MessageCenterStatsCollector() override;
private:
// Represents the aggregate stats for each notification.
class NotificationStats {
public:
// Default constructor for map.
NotificationStats();
explicit NotificationStats(const std::string& id);
virtual ~NotificationStats();
// Called when we get an action from the message center.
void CollectAction(NotificationActionType type);
// Sends aggregate data to UMA.
void RecordAggregateStats();
private:
std::string id_;
bool actions_[NOTIFICATION_ACTION_COUNT];
};
// MessageCenterObserver
void OnNotificationAdded(const std::string& notification_id) override;
void OnNotificationRemoved(const std::string& notification_id,
bool by_user) override;
void OnNotificationUpdated(const std::string& notification_id) override;
void OnNotificationClicked(const std::string& notification_id) override;
void OnNotificationButtonClicked(const std::string& notification_id,
int button_index) override;
void OnNotificationDisplayed(
const std::string& notification_id,
const message_center::DisplaySource source) override;
void OnCenterVisibilityChanged(
message_center::Visibility visibility) override;
void OnQuietModeChanged(bool in_quiet_mode) override;
// Weak, global.
message_center::MessageCenter* message_center_;
typedef std::map<std::string,NotificationStats> StatsCollection;
StatsCollection stats_;
DISALLOW_COPY_AND_ASSIGN(MessageCenterStatsCollector);
};
#endif // CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_STATS_COLLECTOR_H_
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