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path: root/gfx/layers/ipc/APZInputBridgeChild.cpp
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/layers/APZInputBridgeChild.h"

#include "InputData.h"  // for InputData, etc

namespace mozilla {
namespace layers {

APZInputBridgeChild::APZInputBridgeChild() : mDestroyed(false) {
  MOZ_ASSERT(XRE_IsParentProcess());
  MOZ_ASSERT(NS_IsMainThread());
}

APZInputBridgeChild::~APZInputBridgeChild() = default;

void APZInputBridgeChild::Destroy() {
  MOZ_ASSERT(XRE_IsParentProcess());
  MOZ_ASSERT(NS_IsMainThread());

  if (mDestroyed) {
    return;
  }

  Send__delete__(this);
  mDestroyed = true;
}

void APZInputBridgeChild::ActorDestroy(ActorDestroyReason aWhy) {
  mDestroyed = true;
}

APZEventResult APZInputBridgeChild::ReceiveInputEvent(InputData& aEvent) {
  APZEventResult res;
  switch (aEvent.mInputType) {
    case MULTITOUCH_INPUT: {
      MultiTouchInput& event = aEvent.AsMultiTouchInput();
      MultiTouchInput processedEvent;

      SendReceiveMultiTouchInputEvent(event, &res, &processedEvent);

      event = processedEvent;
      return res;
    }
    case MOUSE_INPUT: {
      MouseInput& event = aEvent.AsMouseInput();
      MouseInput processedEvent;

      SendReceiveMouseInputEvent(event, &res, &processedEvent);

      event = processedEvent;
      return res;
    }
    case PANGESTURE_INPUT: {
      PanGestureInput& event = aEvent.AsPanGestureInput();
      PanGestureInput processedEvent;

      SendReceivePanGestureInputEvent(event, &res, &processedEvent);

      event = processedEvent;
      return res;
    }
    case PINCHGESTURE_INPUT: {
      PinchGestureInput& event = aEvent.AsPinchGestureInput();
      PinchGestureInput processedEvent;

      SendReceivePinchGestureInputEvent(event, &res, &processedEvent);

      event = processedEvent;
      return res;
    }
    case TAPGESTURE_INPUT: {
      TapGestureInput& event = aEvent.AsTapGestureInput();
      TapGestureInput processedEvent;

      SendReceiveTapGestureInputEvent(event, &res, &processedEvent);

      event = processedEvent;
      return res;
    }
    case SCROLLWHEEL_INPUT: {
      ScrollWheelInput& event = aEvent.AsScrollWheelInput();
      ScrollWheelInput processedEvent;

      SendReceiveScrollWheelInputEvent(event, &res, &processedEvent);

      event = processedEvent;
      return res;
    }
    case KEYBOARD_INPUT: {
      KeyboardInput& event = aEvent.AsKeyboardInput();
      KeyboardInput processedEvent;

      SendReceiveKeyboardInputEvent(event, &res, &processedEvent);

      event = processedEvent;
      return res;
    }
    default: {
      MOZ_ASSERT_UNREACHABLE("Invalid InputData type.");
      res.mStatus = nsEventStatus_eConsumeNoDefault;
      return res;
    }
  }
}

void APZInputBridgeChild::ProcessUnhandledEvent(
    LayoutDeviceIntPoint* aRefPoint, ScrollableLayerGuid* aOutTargetGuid,
    uint64_t* aOutFocusSequenceNumber, LayersId* aOutLayersId) {
  SendProcessUnhandledEvent(*aRefPoint, aRefPoint, aOutTargetGuid,
                            aOutFocusSequenceNumber, aOutLayersId);
}

void APZInputBridgeChild::UpdateWheelTransaction(LayoutDeviceIntPoint aRefPoint,
                                                 EventMessage aEventMessage) {
  SendUpdateWheelTransaction(aRefPoint, aEventMessage);
}

}  // namespace layers
}  // namespace mozilla