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// 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 SERVICES_UI_WS_USER_ACTIVITY_MONITOR_H_
#define SERVICES_UI_WS_USER_ACTIVITY_MONITOR_H_
#include "base/time/tick_clock.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "mojo/public/cpp/bindings/binding_set.h"
#include "mojo/public/cpp/bindings/interface_ptr_set.h"
#include "services/ui/public/interfaces/user_activity_monitor.mojom.h"
namespace ui {
namespace ws {
namespace test {
class UserActivityMonitorTestApi;
}
class UserActivityMonitor : public mojom::UserActivityMonitor {
public:
// |now_clock| is used to get the timestamp. If |now_clock| is nullptr, then
// DefaultTickClock is used.
explicit UserActivityMonitor(std::unique_ptr<base::TickClock> now_clock);
~UserActivityMonitor() override;
// Should be called whenever some input event is received from the user.
void OnUserActivity();
// Provides an implementation for the remote request.
void Add(mojom::UserActivityMonitorRequest request);
// mojom::UserActivityMonitor:
void AddUserActivityObserver(
uint32_t delay_between_notify_secs,
mojom::UserActivityObserverPtr observer) override;
void AddUserIdleObserver(uint32_t idleness_in_minutes,
mojom::UserIdleObserverPtr observer) override;
private:
friend class test::UserActivityMonitorTestApi;
// Makes sure the idle timer is running.
void ActivateIdleTimer();
// Called every minute when |idle_timer_| is active.
void OnMinuteTimer();
void OnActivityObserverDisconnected(mojom::UserActivityObserver* observer);
void OnIdleObserverDisconnected(mojom::UserIdleObserver* observer);
mojo::BindingSet<mojom::UserActivityMonitor> bindings_;
std::unique_ptr<base::TickClock> now_clock_;
struct ActivityObserverInfo {
base::TimeTicks last_activity_notification;
base::TimeDelta delay;
};
std::vector<std::pair<ActivityObserverInfo, mojom::UserActivityObserverPtr>>
activity_observers_;
struct IdleObserverInfo {
base::TimeTicks last_idle_state_notification;
base::TimeDelta idle_duration;
mojom::UserIdleObserver::IdleState idle_state;
};
std::vector<std::pair<IdleObserverInfo, mojom::UserIdleObserverPtr>>
idle_observers_;
// Timer used to determine user's idleness. The timer is run only when at
// least one of the idle-observers are notified ACTIVE.
base::RepeatingTimer idle_timer_;
base::TimeTicks last_activity_;
DISALLOW_COPY_AND_ASSIGN(UserActivityMonitor);
};
} // namespace ws
} // namespace ui
#endif // SERVICES_UI_WS_USER_ACTIVITY_MONITOR_H_