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/*
* Copyright (C) 2012 Samsung Electronics
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_VIBRATION_VIBRATION_CONTROLLER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_VIBRATION_VIBRATION_CONTROLLER_H_
#include "services/device/public/mojom/vibration_manager.mojom-blink.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/core/page/page_visibility_observer.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/supplementable.h"
#include "third_party/blink/renderer/platform/timer.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace blink {
class Navigator;
class V8UnionUnsignedLongOrUnsignedLongSequence;
class MODULES_EXPORT VibrationController final
: public GarbageCollected<VibrationController>,
public Supplement<Navigator>,
public ExecutionContextLifecycleObserver,
public PageVisibilityObserver {
public:
using VibrationPattern = Vector<unsigned>;
static const char kSupplementName[];
static VibrationController& From(Navigator&);
static bool vibrate(Navigator&, unsigned time);
static bool vibrate(Navigator&, const VibrationPattern&);
explicit VibrationController(Navigator&);
VibrationController(const VibrationController&) = delete;
VibrationController& operator=(const VibrationController&) = delete;
~VibrationController() override;
static VibrationPattern SanitizeVibrationPattern(
const V8UnionUnsignedLongOrUnsignedLongSequence* input);
void DoVibrate(TimerBase*);
void DidVibrate();
// Cancels the ongoing vibration if there is one.
void Cancel();
void DidCancel();
// Whether a pattern is being processed. If this is true, the vibration
// hardware may currently be active, but during a pause it may be inactive.
bool IsRunning() const { return is_running_; }
VibrationPattern Pattern() const { return pattern_; }
void Trace(Visitor*) const override;
private:
// Inherited from ExecutionContextLifecycleObserver.
void ContextDestroyed() override;
// Inherited from PageVisibilityObserver.
void PageVisibilityChanged() override;
bool Vibrate(const VibrationPattern&);
// Remote to VibrationManager mojo interface. This is reset in
// |contextDestroyed| and must not be called or recreated after it is reset.
//
// TODO(crbug.com/1116948): Remove kForceWithoutContextObserver parameter
// after hooking disconnect handler in js is implemented in
// MojoInterfaceInterceptor.
// See: third_party/blink/web_tests/vibration/vibration-iframe.html
HeapMojoRemote<device::mojom::blink::VibrationManager,
HeapMojoWrapperMode::kForceWithoutContextObserver>
vibration_manager_;
// Timer for calling |doVibrate| after a delay. It is safe to call
// |startOneshot| when the timer is already running: it may affect the time
// at which it fires, but |doVibrate| will still be called only once.
HeapTaskRunnerTimer<VibrationController> timer_do_vibrate_;
// Whether a pattern is being processed. The vibration hardware may
// currently be active, or during a pause it may be inactive.
bool is_running_;
// Whether an async mojo call to cancel is pending.
bool is_calling_cancel_;
// Whether an async mojo call to vibrate is pending.
bool is_calling_vibrate_;
VibrationPattern pattern_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_VIBRATION_VIBRATION_CONTROLLER_H_
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