third_party/blink/renderer/modules/device_posture/device_posture.h

// Copyright 2021 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_DEVICE_POSTURE_DEVICE_POSTURE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_DEVICE_POSTURE_DEVICE_POSTURE_H_

#include "services/device/public/mojom/device_posture_provider.mojom-blink.h"
#include "third_party/blink/renderer/core/dom/events/event_target.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_receiver.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_wrapper_mode.h"

namespace blink {

class LocalDOMWindow;

class MODULES_EXPORT DevicePosture
    : public EventTargetWithInlineData,
      public ExecutionContextClient,
      public device::mojom::blink::DevicePostureProviderClient {
  DEFINE_WRAPPERTYPEINFO();

 public:
  explicit DevicePosture(LocalDOMWindow*);
  ~DevicePosture() override;

  // Web-exposed interfaces
  DEFINE_ATTRIBUTE_EVENT_LISTENER(change, kChange)
  String type();

  // EventTarget overrides.
  ExecutionContext* GetExecutionContext() const override;
  const AtomicString& InterfaceName() const override;

  void Trace(blink::Visitor*) const override;

 private:
  // DevicePostureServiceClient
  void OnPostureChanged(
      device::mojom::blink::DevicePostureType posture) override;
  void AddedEventListener(const AtomicString& event_type,
                          RegisteredEventListener&) override;
  void OnServiceConnectionError();
  void EnsureServiceConnection();

  device::mojom::blink::DevicePostureType posture_ =
      device::mojom::blink::DevicePostureType::kContinuous;
  HeapMojoRemote<device::mojom::blink::DevicePostureProvider> service_;
  HeapMojoReceiver<device::mojom::blink::DevicePostureProviderClient,
                   DevicePosture>
      receiver_;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_DEVICE_POSTURE_DEVICE_POSTURE_H_