1/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2/* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6include "mozilla/GfxMessageUtils.h";
7include "mozilla/layers/LayersMessageUtils.h";
8include "ipc/nsGUIEventIPC.h";
9
10include protocol PCompositorBridge;
11
12using CSSRect from "Units.h";
13using LayoutDeviceCoord from "Units.h";
14using mozilla::LayoutDevicePoint from "Units.h";
15using ScreenPoint from "Units.h";
16using ZoomTarget from "mozilla/layers/DoubleTapToZoom.h";
17using mozilla::layers::ZoomConstraints from "mozilla/layers/ZoomConstraints.h";
18using mozilla::layers::ScrollableLayerGuid from "mozilla/layers/ScrollableLayerGuid.h";
19using mozilla::layers::ScrollableLayerGuid::ViewID from "mozilla/layers/ScrollableLayerGuid.h";
20using mozilla::layers::TouchBehaviorFlags from "mozilla/layers/LayersTypes.h";
21using mozilla::layers::AsyncDragMetrics from "mozilla/layers/AsyncDragMetrics.h";
22using mozilla::layers::GeckoContentController_TapType from "mozilla/layers/GeckoContentControllerTypes.h";
23using mozilla::layers::APZHandledResult from "mozilla/layers/APZInputBridge.h";
24using class mozilla::layers::KeyboardMap from "mozilla/layers/KeyboardMap.h";
25using mozilla::wr::RenderRoot from "mozilla/webrender/WebRenderTypes.h";
26
27using mozilla::Modifiers from "mozilla/EventForwards.h";
28using mozilla::PinchGestureInput::PinchGestureType from "InputData.h";
29
30namespace mozilla {
31namespace layers {
32
33/**
34 * PAPZCTreeManager is a protocol for remoting an IAPZCTreeManager. PAPZCTreeManager
35 * lives on the PCompositorBridge protocol which either connects to the compositor
36 * thread in the main process, or to the compositor thread in the gpu processs.
37 *
38 * PAPZCTreeManagerParent lives in the compositor thread, while PAPZCTreeManagerChild
39 * lives in the main thread of the main or the content process. APZCTreeManagerParent
40 * and APZCTreeManagerChild implement this protocol.
41 */
42[ManualDealloc]
43protocol PAPZCTreeManager
44{
45manager PCompositorBridge;
46
47parent:
48
49  // These messages correspond to the methods
50  // on the IAPZCTreeManager interface
51
52  async ZoomToRect(ScrollableLayerGuid aGuid, ZoomTarget aZoomTarget, uint32_t Flags);
53
54  async ContentReceivedInputBlock(uint64_t aInputBlockId, bool PreventDefault);
55
56  async SetTargetAPZC(uint64_t aInputBlockId, ScrollableLayerGuid[] Targets);
57
58  async UpdateZoomConstraints(ScrollableLayerGuid aGuid, ZoomConstraints? aConstraints);
59
60  async SetKeyboardMap(KeyboardMap aKeyboardMap);
61
62  async SetDPI(float aDpiValue);
63
64  async SetAllowedTouchBehavior(uint64_t aInputBlockId, TouchBehaviorFlags[] aValues);
65
66  async StartScrollbarDrag(ScrollableLayerGuid aGuid, AsyncDragMetrics aDragMetrics);
67
68  async StartAutoscroll(ScrollableLayerGuid aGuid, ScreenPoint aAnchorLocation);
69
70  async StopAutoscroll(ScrollableLayerGuid aGuid);
71
72  async SetLongTapEnabled(bool aTapGestureEnabled);
73
74  async __delete__();
75
76child:
77
78  async HandleTap(GeckoContentController_TapType aType, LayoutDevicePoint point, Modifiers aModifiers,
79                  ScrollableLayerGuid aGuid, uint64_t aInputBlockId);
80
81  async NotifyPinchGesture(PinchGestureType aType, ScrollableLayerGuid aGuid,
82                           LayoutDevicePoint aFocusPoint, LayoutDeviceCoord aSpanChange,
83                           Modifiers aModifiers);
84
85  async CancelAutoscroll(ViewID aScrollId);
86};
87
88} // namespace gfx
89} // namespace mozilla
90