/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=99: */ /* 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/APZCTreeManagerChild.h" #include "InputData.h" // for InputData #include "mozilla/dom/TabParent.h" // for TabParent #include "mozilla/layers/APZCCallbackHelper.h" // for APZCCallbackHelper #include "mozilla/layers/RemoteCompositorSession.h" // for RemoteCompositorSession namespace mozilla { namespace layers { APZCTreeManagerChild::APZCTreeManagerChild() : mCompositorSession(nullptr) { } void APZCTreeManagerChild::SetCompositorSession(RemoteCompositorSession* aSession) { // Exactly one of mCompositorSession and aSession must be null (i.e. either // we're setting mCompositorSession or we're clearing it). MOZ_ASSERT(!mCompositorSession ^ !aSession); mCompositorSession = aSession; } nsEventStatus APZCTreeManagerChild::ReceiveInputEvent( InputData& aEvent, ScrollableLayerGuid* aOutTargetGuid, uint64_t* aOutInputBlockId) { switch (aEvent.mInputType) { case MULTITOUCH_INPUT: { MultiTouchInput& event = aEvent.AsMultiTouchInput(); MultiTouchInput processedEvent; nsEventStatus res; SendReceiveMultiTouchInputEvent(event, &res, &processedEvent, aOutTargetGuid, aOutInputBlockId); event = processedEvent; return res; } case MOUSE_INPUT: { MouseInput& event = aEvent.AsMouseInput(); MouseInput processedEvent; nsEventStatus res; SendReceiveMouseInputEvent(event, &res, &processedEvent, aOutTargetGuid, aOutInputBlockId); event = processedEvent; return res; } case PANGESTURE_INPUT: { PanGestureInput& event = aEvent.AsPanGestureInput(); PanGestureInput processedEvent; nsEventStatus res; SendReceivePanGestureInputEvent(event, &res, &processedEvent, aOutTargetGuid, aOutInputBlockId); event = processedEvent; return res; } case PINCHGESTURE_INPUT: { PinchGestureInput& event = aEvent.AsPinchGestureInput(); PinchGestureInput processedEvent; nsEventStatus res; SendReceivePinchGestureInputEvent(event, &res, &processedEvent, aOutTargetGuid, aOutInputBlockId); event = processedEvent; return res; } case TAPGESTURE_INPUT: { TapGestureInput& event = aEvent.AsTapGestureInput(); TapGestureInput processedEvent; nsEventStatus res; SendReceiveTapGestureInputEvent(event, &res, &processedEvent, aOutTargetGuid, aOutInputBlockId); event = processedEvent; return res; } case SCROLLWHEEL_INPUT: { ScrollWheelInput& event = aEvent.AsScrollWheelInput(); ScrollWheelInput processedEvent; nsEventStatus res; SendReceiveScrollWheelInputEvent(event, &res, &processedEvent, aOutTargetGuid, aOutInputBlockId); event = processedEvent; return res; } default: { MOZ_ASSERT_UNREACHABLE("Invalid InputData type."); return nsEventStatus_eConsumeNoDefault; } } } void APZCTreeManagerChild::ZoomToRect( const ScrollableLayerGuid& aGuid, const CSSRect& aRect, const uint32_t aFlags) { SendZoomToRect(aGuid, aRect, aFlags); } void APZCTreeManagerChild::ContentReceivedInputBlock( uint64_t aInputBlockId, bool aPreventDefault) { SendContentReceivedInputBlock(aInputBlockId, aPreventDefault); } void APZCTreeManagerChild::SetTargetAPZC( uint64_t aInputBlockId, const nsTArray<ScrollableLayerGuid>& aTargets) { SendSetTargetAPZC(aInputBlockId, aTargets); } void APZCTreeManagerChild::UpdateZoomConstraints( const ScrollableLayerGuid& aGuid, const Maybe<ZoomConstraints>& aConstraints) { SendUpdateZoomConstraints(aGuid, aConstraints); } void APZCTreeManagerChild::CancelAnimation(const ScrollableLayerGuid &aGuid) { SendCancelAnimation(aGuid); } void APZCTreeManagerChild::AdjustScrollForSurfaceShift(const ScreenPoint& aShift) { SendAdjustScrollForSurfaceShift(aShift); } void APZCTreeManagerChild::SetDPI(float aDpiValue) { SendSetDPI(aDpiValue); } void APZCTreeManagerChild::SetAllowedTouchBehavior( uint64_t aInputBlockId, const nsTArray<TouchBehaviorFlags>& aValues) { SendSetAllowedTouchBehavior(aInputBlockId, aValues); } void APZCTreeManagerChild::StartScrollbarDrag( const ScrollableLayerGuid& aGuid, const AsyncDragMetrics& aDragMetrics) { SendStartScrollbarDrag(aGuid, aDragMetrics); } void APZCTreeManagerChild::SetLongTapEnabled(bool aTapGestureEnabled) { SendSetLongTapEnabled(aTapGestureEnabled); } void APZCTreeManagerChild::ProcessTouchVelocity(uint32_t aTimestampMs, float aSpeedY) { SendProcessTouchVelocity(aTimestampMs, aSpeedY); } void APZCTreeManagerChild::UpdateWheelTransaction( LayoutDeviceIntPoint aRefPoint, EventMessage aEventMessage) { SendUpdateWheelTransaction(aRefPoint, aEventMessage); } void APZCTreeManagerChild::TransformEventRefPoint( LayoutDeviceIntPoint* aRefPoint, ScrollableLayerGuid* aOutTargetGuid) { SendTransformEventRefPoint(*aRefPoint, aRefPoint, aOutTargetGuid); } bool APZCTreeManagerChild::RecvHandleTap(const TapType& aType, const LayoutDevicePoint& aPoint, const Modifiers& aModifiers, const ScrollableLayerGuid& aGuid, const uint64_t& aInputBlockId) { MOZ_ASSERT(XRE_IsParentProcess()); if (mCompositorSession && mCompositorSession->RootLayerTreeId() == aGuid.mLayersId && mCompositorSession->GetContentController()) { mCompositorSession->GetContentController()->HandleTap(aType, aPoint, aModifiers, aGuid, aInputBlockId); return true; } dom::TabParent* tab = dom::TabParent::GetTabParentFromLayersId(aGuid.mLayersId); if (tab) { tab->SendHandleTap(aType, aPoint, aModifiers, aGuid, aInputBlockId); } return true; } bool APZCTreeManagerChild::RecvNotifyPinchGesture(const PinchGestureType& aType, const ScrollableLayerGuid& aGuid, const LayoutDeviceCoord& aSpanChange, const Modifiers& aModifiers) { // This will only get sent from the GPU process to the parent process, so // this function should never get called in the content process. MOZ_ASSERT(XRE_IsParentProcess()); MOZ_ASSERT(NS_IsMainThread()); // We want to handle it in this process regardless of what the target guid // of the pinch is. This may change in the future. if (mCompositorSession && mCompositorSession->GetWidget()) { APZCCallbackHelper::NotifyPinchGesture(aType, aSpanChange, aModifiers, mCompositorSession->GetWidget()); } return true; } } // namespace layers } // namespace mozilla