PAPZCTreeManager.ipdl

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* 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/GfxMessageUtils.h";

include "mozilla/layers/LayersMessageUtils.h";

include "ipc/nsGUIEventIPC.h";

include protocol PCompositorBridge;

using mozilla::CSSRect from "Units.h";

using mozilla::LayoutDeviceCoord from "Units.h";

using mozilla::LayoutDevicePoint from "Units.h";

using mozilla::ScreenPoint from "Units.h";

using mozilla::layers::ZoomTarget from "mozilla/layers/DoubleTapToZoom.h";

using mozilla::layers::DoubleTapToZoomMetrics from "mozilla/layers/DoubleTapToZoom.h";

using mozilla::layers::ZoomConstraints from "mozilla/layers/ZoomConstraints.h";

using mozilla::layers::ScrollableLayerGuid from "mozilla/layers/ScrollableLayerGuid.h";

using mozilla::layers::ScrollableLayerGuid::ViewID from "mozilla/layers/ScrollableLayerGuid.h";

using mozilla::layers::TouchBehaviorFlags from "mozilla/layers/LayersTypes.h";

using mozilla::layers::AsyncDragMetrics from "mozilla/layers/AsyncDragMetrics.h";

using mozilla::layers::GeckoContentController_TapType from "mozilla/layers/GeckoContentControllerTypes.h";

using mozilla::layers::APZHandledResult from "mozilla/layers/APZInputBridge.h";

using mozilla::layers::BrowserGestureResponse from "mozilla/layers/APZInputBridge.h";

using class mozilla::layers::KeyboardMap from "mozilla/layers/KeyboardMap.h";

using mozilla::wr::RenderRoot from "mozilla/webrender/WebRenderTypes.h";

using mozilla::Modifiers from "mozilla/EventForwards.h";

using mozilla::PinchGestureInput::PinchGestureType from "InputData.h";

namespace mozilla {

namespace layers {

/**

 * PAPZCTreeManager is a protocol for remoting an IAPZCTreeManager. PAPZCTreeManager

 * lives on the PCompositorBridge protocol which either connects to the compositor

 * thread in the main process, or to the compositor thread in the gpu processs.

 * PAPZCTreeManagerParent lives in the compositor thread, while PAPZCTreeManagerChild

 * lives in the main thread of the main or the content process. APZCTreeManagerParent

 * and APZCTreeManagerChild implement this protocol.

*/

[ManualDealloc]

protocol PAPZCTreeManager

manager PCompositorBridge;

parent:

  // These messages correspond to the methods

  // on the IAPZCTreeManager interface

  async ZoomToRect(ScrollableLayerGuid aGuid, ZoomTarget aZoomTarget, uint32_t Flags);

  async ContentReceivedInputBlock(uint64_t aInputBlockId, bool PreventDefault);

  async SetTargetAPZC(uint64_t aInputBlockId, ScrollableLayerGuid[] Targets);

  async UpdateZoomConstraints(ScrollableLayerGuid aGuid, ZoomConstraints? aConstraints);

  async SetKeyboardMap(KeyboardMap aKeyboardMap);

  async SetDPI(float aDpiValue);

  async SetAllowedTouchBehavior(uint64_t aInputBlockId, TouchBehaviorFlags[] aValues);

  async StartScrollbarDrag(ScrollableLayerGuid aGuid, AsyncDragMetrics aDragMetrics);

  async StartAutoscroll(ScrollableLayerGuid aGuid, ScreenPoint aAnchorLocation);

  async StopAutoscroll(ScrollableLayerGuid aGuid);

  async SetLongTapEnabled(bool aTapGestureEnabled);

  async SetBrowserGestureResponse(uint64_t aInputBlockId,

                                  BrowserGestureResponse aResponse);

  async __delete__();

child:

  async NotifyPinchGesture(PinchGestureType aType, ScrollableLayerGuid aGuid,

                           LayoutDevicePoint aFocusPoint, LayoutDeviceCoord aSpanChange,

                           Modifiers aModifiers);

  async CancelAutoscroll(ViewID aScrollId);

  async NotifyScaleGestureComplete(ViewID aScrollId, float aScale);

};

} // namespace gfx

} // namespace mozilla