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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_SENSOR_SENSOR_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_SENSOR_SENSOR_H_
#include "services/network/public/mojom/permissions_policy/permissions_policy_feature.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/active_script_wrappable.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_sensor_options.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_spatial_sensor_options.h"
#include "third_party/blink/renderer/core/dom/dom_high_res_time_stamp.h"
#include "third_party/blink/renderer/core/dom/dom_time_stamp.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/core/frame/platform_event_controller.h"
#include "third_party/blink/renderer/modules/event_target_modules.h"
#include "third_party/blink/renderer/modules/sensor/sensor_proxy.h"
#include "third_party/blink/renderer/platform/bindings/exception_code.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cancellable_task.h"
namespace blink {
class DOMException;
class ExceptionState;
class ExecutionContext;
class Sensor : public EventTarget,
public ActiveScriptWrappable<Sensor>,
public ExecutionContextLifecycleObserver,
public SensorProxy::Observer {
DEFINE_WRAPPERTYPEINFO();
public:
enum class SensorState { kIdle, kActivating, kActivated };
~Sensor() override;
void start();
void stop();
// EventTarget overrides.
const AtomicString& InterfaceName() const override {
return event_target_names::kSensor;
}
ExecutionContext* GetExecutionContext() const override {
return ExecutionContextLifecycleObserver::GetExecutionContext();
}
// Getters
bool activated() const;
bool hasReading() const;
std::optional<DOMHighResTimeStamp> timestamp(ScriptState*) const;
DEFINE_ATTRIBUTE_EVENT_LISTENER(error, kError)
DEFINE_ATTRIBUTE_EVENT_LISTENER(reading, kReading)
DEFINE_ATTRIBUTE_EVENT_LISTENER(activate, kActivate)
// ActiveScriptWrappable overrides.
bool HasPendingActivity() const override;
void Trace(Visitor*) const override;
protected:
Sensor(ExecutionContext*,
const SensorOptions*,
ExceptionState&,
device::mojom::blink::SensorType,
const Vector<network::mojom::PermissionsPolicyFeature>&);
Sensor(ExecutionContext*,
const SpatialSensorOptions*,
ExceptionState&,
device::mojom::blink::SensorType,
const Vector<network::mojom::PermissionsPolicyFeature>&);
using SensorConfigurationPtr = device::mojom::blink::SensorConfigurationPtr;
using SensorConfiguration = device::mojom::blink::SensorConfiguration;
// The default implementation will init frequency configuration parameter,
// concrete sensor implementations can override this method to handle other
// parameters if needed.
virtual SensorConfigurationPtr CreateSensorConfig();
bool IsIdleOrErrored() const;
const device::SensorReading& GetReading() const;
// SensorProxy::Observer overrides.
void OnSensorInitialized() override;
void OnSensorReadingChanged() override;
void OnSensorError(DOMExceptionCode,
const String& sanitized_message,
const String& unsanitized_message) override;
private:
void InitSensorProxyIfNeeded();
// ExecutionContextLifecycleObserver overrides.
void ContextDestroyed() override;
void OnAddConfigurationRequestCompleted(bool);
void Activate();
void Deactivate();
void RequestAddConfiguration();
void HandleError(DOMExceptionCode,
const String& sanitized_message,
const String& unsanitized_message = String());
void NotifyReading();
void NotifyActivated();
void NotifyError(DOMException* error);
double frequency_;
device::mojom::blink::SensorType type_;
SensorState state_;
Member<SensorProxy> sensor_proxy_;
double last_reported_timestamp_;
SensorConfigurationPtr configuration_;
TaskHandle pending_reading_notification_;
TaskHandle pending_activated_notification_;
TaskHandle pending_error_notification_;
bool use_screen_coords_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_SENSOR_SENSOR_H_
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