void
TextEventDispatcher::InitEvent(WidgetGUIEvent& aEvent) const
{
aEvent.time = PR_IntervalNow();
aEvent.refPoint = LayoutDeviceIntPoint(0, 0);
aEvent.mFlags.mIsSynthesizedForTests = mForTests;
}
void
APZEventState::ProcessLongTap(const nsCOMPtr<nsIPresShell>& aPresShell,
const CSSPoint& aPoint,
const CSSToLayoutDeviceScale& aScale,
Modifiers aModifiers,
const ScrollableLayerGuid& aGuid,
uint64_t aInputBlockId)
{
APZES_LOG("Handling long tap at %s\n", Stringify(aPoint).c_str());
nsCOMPtr<nsIWidget> widget = GetWidget();
if (!widget) {
return;
}
SendPendingTouchPreventedResponse(false);
#ifdef XP_WIN
// On Windows, we fire the contextmenu events when the user lifts their
// finger, in keeping with the platform convention. This happens in the
// ProcessLongTapUp function. However, we still fire the eMouseLongTap event
// at this time, because things like text selection or dragging may want
// to know about it.
nsEventStatus status = APZCCallbackHelper::DispatchSynthesizedMouseEvent(
eMouseLongTap, /*time*/ 0, aPoint * aScale, aModifiers, /*clickCount*/ 1,
widget);
bool eventHandled = (status == nsEventStatus_eConsumeNoDefault);
#else
bool eventHandled = FireContextmenuEvents(aPresShell, aPoint, aScale,
aModifiers, widget);
#endif
mContentReceivedInputBlockCallback(aGuid, aInputBlockId, eventHandled);
if (eventHandled) {
// Also send a touchcancel to content, so that listeners that might be
// waiting for a touchend don't trigger.
WidgetTouchEvent cancelTouchEvent(true, eTouchCancel, widget.get());
cancelTouchEvent.mModifiers = aModifiers;
auto ldPoint = LayoutDeviceIntPoint::Round(aPoint * aScale);
cancelTouchEvent.mTouches.AppendElement(new mozilla::dom::Touch(mLastTouchIdentifier,
ldPoint, LayoutDeviceIntPoint(), 0, 0));
APZCCallbackHelper::DispatchWidgetEvent(cancelTouchEvent);
}
}
void
TextEventDispatcher::InitEvent(WidgetGUIEvent& aEvent) const
{
aEvent.time = PR_IntervalNow();
aEvent.refPoint = LayoutDeviceIntPoint(0, 0);
aEvent.mFlags.mIsSynthesizedForTests = mForTests;
if (aEvent.mClass != eCompositionEventClass) {
return;
}
// Currently, we should set special native IME context when composition
// events are dispatched from PuppetWidget since PuppetWidget may have not
// known actual native IME context yet and it caches native IME context
// when it dispatches every WidgetCompositionEvent.
if (XRE_IsContentProcess()) {
aEvent.AsCompositionEvent()->
mNativeIMEContext.InitWithRawNativeIMEContext(mWidget);
}
}
MouseScrollEvent::MouseScrollEvent(EventTarget* aOwner,
nsPresContext* aPresContext,
WidgetMouseScrollEvent* aEvent)
: MouseEvent(aOwner, aPresContext,
aEvent
? aEvent
: new WidgetMouseScrollEvent(false, eVoidEvent, nullptr)) {
if (aEvent) {
mEventIsInternal = false;
} else {
mEventIsInternal = true;
mEvent->mTime = PR_Now();
mEvent->mRefPoint = LayoutDeviceIntPoint(0, 0);
static_cast<WidgetMouseEventBase*>(mEvent)->inputSource =
MouseEvent_Binding::MOZ_SOURCE_UNKNOWN;
}
mDetail = mEvent->AsMouseScrollEvent()->mDelta;
}
PointerEvent::PointerEvent(EventTarget* aOwner,
nsPresContext* aPresContext,
WidgetPointerEvent* aEvent)
: MouseEvent(aOwner, aPresContext,
aEvent ? aEvent :
new WidgetPointerEvent(false, eVoidEvent, nullptr))
{
NS_ASSERTION(mEvent->mClass == ePointerEventClass,
"event type mismatch ePointerEventClass");
WidgetMouseEvent* mouseEvent = mEvent->AsMouseEvent();
if (aEvent) {
mEventIsInternal = false;
} else {
mEventIsInternal = true;
mEvent->mTime = PR_Now();
mEvent->mRefPoint = LayoutDeviceIntPoint(0, 0);
mouseEvent->inputSource = nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN;
}
}
nsEventStatus
APZCCallbackHelper::DispatchSynthesizedMouseEvent(uint32_t aMsg,
uint64_t aTime,
const LayoutDevicePoint& aRefPoint,
nsIWidget* aWidget)
{
MOZ_ASSERT(aMsg == NS_MOUSE_MOVE || aMsg == NS_MOUSE_BUTTON_DOWN ||
aMsg == NS_MOUSE_BUTTON_UP || aMsg == NS_MOUSE_MOZLONGTAP);
WidgetMouseEvent event(true, aMsg, nullptr,
WidgetMouseEvent::eReal, WidgetMouseEvent::eNormal);
event.refPoint = LayoutDeviceIntPoint(aRefPoint.x, aRefPoint.y);
event.time = aTime;
event.button = WidgetMouseEvent::eLeftButton;
event.inputSource = nsIDOMMouseEvent::MOZ_SOURCE_TOUCH;
event.ignoreRootScrollFrame = true;
if (aMsg != NS_MOUSE_MOVE) {
event.clickCount = 1;
}
event.widget = aWidget;
return DispatchWidgetEvent(event);
}
WheelEvent::WheelEvent(EventTarget* aOwner,
nsPresContext* aPresContext,
WidgetWheelEvent* aWheelEvent)
: MouseEvent(aOwner, aPresContext,
aWheelEvent ? aWheelEvent :
new WidgetWheelEvent(false, eVoidEvent, nullptr))
, mAppUnitsPerDevPixel(0)
{
if (aWheelEvent) {
mEventIsInternal = false;
// If the delta mode is pixel, the WidgetWheelEvent's delta values are in
// device pixels. However, JS contents need the delta values in CSS pixels.
// We should store the value of mAppUnitsPerDevPixel here because
// it might be changed by changing zoom or something.
if (aWheelEvent->mDeltaMode == WheelEvent_Binding::DOM_DELTA_PIXEL) {
mAppUnitsPerDevPixel = aPresContext->AppUnitsPerDevPixel();
}
} else {
mEventIsInternal = true;
mEvent->mTime = PR_Now();
mEvent->mRefPoint = LayoutDeviceIntPoint(0, 0);
mEvent->AsWheelEvent()->inputSource = MouseEvent_Binding::MOZ_SOURCE_UNKNOWN;
}
}
void
BasicCompositor::BeginFrame(const nsIntRegion& aInvalidRegion,
const gfx::Rect *aClipRectIn,
const gfx::Rect& aRenderBounds,
gfx::Rect *aClipRectOut /* = nullptr */,
gfx::Rect *aRenderBoundsOut /* = nullptr */)
{
LayoutDeviceIntRect intRect(LayoutDeviceIntPoint(), mWidget->GetClientSize());
Rect rect = Rect(0, 0, intRect.width, intRect.height);
LayoutDeviceIntRegion invalidRegionSafe;
if (mDidExternalComposition) {
// We do not know rendered region during external composition, just redraw
// whole widget.
invalidRegionSafe = intRect;
mDidExternalComposition = false;
} else {
// Sometimes the invalid region is larger than we want to draw.
invalidRegionSafe.And(
LayoutDeviceIntRegion::FromUnknownRegion(aInvalidRegion), intRect);
}
mInvalidRegion = invalidRegionSafe;
mInvalidRect = mInvalidRegion.GetBounds();
if (aRenderBoundsOut) {
*aRenderBoundsOut = Rect();
}
BufferMode bufferMode = BufferMode::BUFFERED;
if (mTarget) {
// If we have a copy target, then we don't have a widget-provided mDrawTarget (currently). Use a dummy
// placeholder so that CreateRenderTarget() works.
mDrawTarget = gfxPlatform::GetPlatform()->ScreenReferenceDrawTarget();
} else {
// StartRemoteDrawingInRegion can mutate mInvalidRegion.
mDrawTarget = mWidget->StartRemoteDrawingInRegion(mInvalidRegion, &bufferMode);
if (!mDrawTarget) {
return;
}
mInvalidRect = mInvalidRegion.GetBounds();
if (mInvalidRect.IsEmpty()) {
mWidget->EndRemoteDrawingInRegion(mDrawTarget, mInvalidRegion);
return;
}
}
if (!mDrawTarget || mInvalidRect.IsEmpty()) {
return;
}
// Setup an intermediate render target to buffer all compositing. We will
// copy this into mDrawTarget (the widget), and/or mTarget in EndFrame()
RefPtr<CompositingRenderTarget> target =
CreateRenderTargetForWindow(mInvalidRect.ToUnknownRect(), INIT_MODE_CLEAR, bufferMode);
if (!target) {
if (!mTarget) {
mWidget->EndRemoteDrawingInRegion(mDrawTarget, mInvalidRegion);
}
return;
}
SetRenderTarget(target);
// We only allocate a surface sized to the invalidated region, so we need to
// translate future coordinates.
mRenderTarget->mDrawTarget->SetTransform(Matrix::Translation(-mRenderTarget->GetOrigin()));
gfxUtils::ClipToRegion(mRenderTarget->mDrawTarget,
mInvalidRegion.ToUnknownRegion());
if (aRenderBoundsOut) {
*aRenderBoundsOut = rect;
}
if (aClipRectIn) {
mRenderTarget->mDrawTarget->PushClipRect(*aClipRectIn);
} else {
mRenderTarget->mDrawTarget->PushClipRect(rect);
if (aClipRectOut) {
*aClipRectOut = rect;
}
}
}
