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/* -*- 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
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