| // Copyright 2018 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 CONTENT_BROWSER_IDLE_IDLE_MANAGER_H_ |
| #define CONTENT_BROWSER_IDLE_IDLE_MANAGER_H_ |
| |
| #include <memory> |
| |
| #include "base/callback.h" |
| #include "base/containers/linked_list.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/sequence_checker.h" |
| #include "base/time/time.h" |
| #include "base/timer/timer.h" |
| #include "content/browser/idle/idle_monitor.h" |
| #include "mojo/public/cpp/bindings/pending_receiver.h" |
| #include "mojo/public/cpp/bindings/pending_remote.h" |
| #include "mojo/public/cpp/bindings/receiver_set.h" |
| #include "third_party/blink/public/mojom/idle/idle_manager.mojom.h" |
| #include "ui/base/idle/idle.h" |
| #include "url/origin.h" |
| |
| namespace content { |
| |
| class CONTENT_EXPORT IdleManager : public blink::mojom::IdleManager { |
| public: |
| // This class adapts functions from ui:: and allows tests to |
| // inject custom providers. |
| // Adapted from: extensions/browser/api/idle/idle_manager.h |
| class IdleTimeProvider { |
| public: |
| using IdleCallback = base::OnceCallback<void(blink::mojom::IdleState)>; |
| using IdleTimeCallback = base::OnceCallback<void(int)>; |
| |
| IdleTimeProvider() {} |
| virtual ~IdleTimeProvider() {} |
| |
| // See ui/base/idle/idle.h for the semantics of these methods. |
| // TODO(goto): should this be made private? Doesn't seem to be necessary |
| // as part of a public interface. |
| virtual ui::IdleState CalculateIdleState( |
| base::TimeDelta idle_threshold) = 0; |
| virtual base::TimeDelta CalculateIdleTime() = 0; |
| virtual bool CheckIdleStateIsLocked() = 0; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(IdleTimeProvider); |
| }; |
| |
| IdleManager(); |
| ~IdleManager() override; |
| |
| void CreateService(mojo::PendingReceiver<blink::mojom::IdleManager> receiver); |
| |
| // blink.mojom.IdleManager: |
| void AddMonitor(base::TimeDelta threshold, |
| mojo::PendingRemote<blink::mojom::IdleMonitor> monitor_remote, |
| AddMonitorCallback callback) override; |
| |
| // Testing helpers. |
| void SetIdleTimeProviderForTest( |
| std::unique_ptr<IdleTimeProvider> idle_provider); |
| |
| // Tests whether the manager is still polling for updates or not. |
| bool IsPollingForTest(); |
| |
| private: |
| // Called internally when a monitor's pipe closes to remove it from |
| // |monitors_|. |
| void RemoveMonitor(IdleMonitor* monitor); |
| |
| // Called internally when a monitor is added via AddMonitor() to maybe |
| // start the polling timer, if not already started. |
| void StartPolling(); |
| |
| // Called internally by the timer callback to stop the timer if there |
| // are no more monitors. (It is not called from RemoveMonitor() so |
| // that an calls can update the cached state.) |
| void StopPolling(); |
| |
| // Callback for the polling timer. Kicks off an async query for the state. |
| void UpdateIdleState(); |
| |
| // Callback for the async state query. Updates monitors as needed. |
| void UpdateIdleStateCallback(int idle_time); |
| |
| blink::mojom::IdleStatePtr CheckIdleState(base::TimeDelta threshold); |
| |
| base::RepeatingTimer poll_timer_; |
| std::unique_ptr<IdleTimeProvider> idle_time_provider_; |
| |
| // Registered clients. |
| mojo::ReceiverSet<blink::mojom::IdleManager> receivers_; |
| |
| // Owns Monitor instances, added when clients call AddMonitor(). |
| base::LinkedList<IdleMonitor> monitors_; |
| |
| SEQUENCE_CHECKER(sequence_checker_); |
| base::WeakPtrFactory<IdleManager> weak_factory_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(IdleManager); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_IDLE_IDLE_MANAGER_H_ |