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Diffstat (limited to 'layout/base/nsPresShell.cpp')
-rw-r--r--layout/base/nsPresShell.cpp142
1 files changed, 69 insertions, 73 deletions
diff --git a/layout/base/nsPresShell.cpp b/layout/base/nsPresShell.cpp
index 56ac370b9..63dfbd8a3 100644
--- a/layout/base/nsPresShell.cpp
+++ b/layout/base/nsPresShell.cpp
@@ -6514,10 +6514,11 @@ nsIPresShell::GetPointerCapturingContent(uint32_t aPointerId)
}
/* static */ void
-nsIPresShell::CheckPointerCaptureState(uint32_t aPointerId,
- uint16_t aPointerType, bool aIsPrimary)
+nsIPresShell::CheckPointerCaptureState(const WidgetPointerEvent* aPointerEvent)
{
- PointerCaptureInfo* captureInfo = GetPointerCaptureInfo(aPointerId);
+ PointerCaptureInfo* captureInfo =
+ GetPointerCaptureInfo(aPointerEvent->pointerId);
+
if (captureInfo &&
captureInfo->mPendingContent != captureInfo->mOverrideContent) {
// cache captureInfo->mPendingContent since it may be changed in the pointer
@@ -6525,17 +6526,16 @@ nsIPresShell::CheckPointerCaptureState(uint32_t aPointerId,
nsIContent* pendingContent = captureInfo->mPendingContent.get();
if (captureInfo->mOverrideContent) {
DispatchGotOrLostPointerCaptureEvent(/* aIsGotCapture */ false,
- aPointerId, aPointerType, aIsPrimary,
+ aPointerEvent,
captureInfo->mOverrideContent);
}
if (pendingContent) {
- DispatchGotOrLostPointerCaptureEvent(/* aIsGotCapture */ true, aPointerId,
- aPointerType, aIsPrimary,
- pendingContent);
+ DispatchGotOrLostPointerCaptureEvent(/* aIsGotCapture */ true,
+ aPointerEvent, pendingContent);
}
captureInfo->mOverrideContent = pendingContent;
if (captureInfo->Empty()) {
- sPointerCaptureList->Remove(aPointerId);
+ sPointerCaptureList->Remove(aPointerEvent->pointerId);
}
}
}
@@ -6976,37 +6976,30 @@ DispatchPointerFromMouseOrTouch(PresShell* aShell,
return NS_OK;
}
-class ReleasePointerCaptureCaller
+class ReleasePointerCaptureCaller final
{
public:
- ReleasePointerCaptureCaller() :
- mPointerId(0),
- mPointerType(nsIDOMMouseEvent::MOZ_SOURCE_UNKNOWN),
- mIsPrimary(false),
- mIsSet(false)
+ ReleasePointerCaptureCaller()
+ : mPointerEvent(nullptr)
{
}
~ReleasePointerCaptureCaller()
{
- if (mIsSet) {
- nsIPresShell::ReleasePointerCapturingContent(mPointerId);
- nsIPresShell::CheckPointerCaptureState(mPointerId, mPointerType,
- mIsPrimary);
+ if (mPointerEvent) {
+ nsIPresShell::ReleasePointerCapturingContent(mPointerEvent->pointerId);
+ nsIPresShell::CheckPointerCaptureState(mPointerEvent);
}
}
- void SetTarget(uint32_t aPointerId, uint16_t aPointerType, bool aIsPrimary)
+
+ void SetTarget(const WidgetPointerEvent* aPointerEvent)
{
- mPointerId = aPointerId;
- mPointerType = aPointerType;
- mIsPrimary = aIsPrimary;
- mIsSet = true;
+ MOZ_ASSERT(aPointerEvent);
+ mPointerEvent = aPointerEvent;
}
private:
- int32_t mPointerId;
- uint16_t mPointerType;
- bool mIsPrimary;
- bool mIsSet;
+ // This is synchronously used inside PresShell::HandleEvent.
+ const WidgetPointerEvent* mPointerEvent;
};
static bool
@@ -7719,9 +7712,7 @@ PresShell::HandleEvent(nsIFrame* aFrame,
nsWeakFrame frameKeeper(frame);
// Handle pending pointer capture before any pointer events except
// gotpointercapture / lostpointercapture.
- CheckPointerCaptureState(pointerEvent->pointerId,
- pointerEvent->inputSource,
- pointerEvent->mIsPrimary);
+ CheckPointerCaptureState(pointerEvent);
// Prevent application crashes, in case damaged frame.
if (!frameKeeper.IsAlive()) {
frame = nullptr;
@@ -7742,33 +7733,29 @@ PresShell::HandleEvent(nsIFrame* aFrame,
}
}
- if (aEvent->mClass == ePointerEventClass &&
- aEvent->mMessage != ePointerDown) {
- if (WidgetPointerEvent* pointerEvent = aEvent->AsPointerEvent()) {
- uint32_t pointerId = pointerEvent->pointerId;
+ // Mouse events should be fired to the same target as their mapped pointer
+ // events
+ if ((aEvent->mClass == ePointerEventClass ||
+ aEvent->mClass == eMouseEventClass) &&
+ aEvent->mMessage != ePointerDown && aEvent->mMessage != eMouseDown) {
+ if (WidgetMouseEvent* mouseEvent = aEvent->AsMouseEvent()) {
+ uint32_t pointerId = mouseEvent->pointerId;
nsIContent* pointerCapturingContent =
GetPointerCapturingContent(pointerId);
if (pointerCapturingContent) {
if (nsIFrame* capturingFrame = pointerCapturingContent->GetPrimaryFrame()) {
- // If pointer capture is set, we should suppress
- // pointerover/pointerenter events for all elements except element
- // which have pointer capture. (Code in EventStateManager)
- pointerEvent->retargetedByPointerCapture =
- frame && frame->GetContent() &&
- !nsContentUtils::ContentIsDescendantOf(frame->GetContent(),
- pointerCapturingContent);
frame = capturingFrame;
}
- if (pointerEvent->mMessage == ePointerUp ||
- pointerEvent->mMessage == ePointerCancel) {
+ if (aEvent->mMessage == ePointerUp ||
+ aEvent->mMessage == ePointerCancel) {
// Implicitly releasing capture for given pointer.
// ePointerLostCapture should be send after ePointerUp or
// ePointerCancel.
- releasePointerCaptureCaller.SetTarget(pointerId,
- pointerEvent->inputSource,
- pointerEvent->mIsPrimary);
+ WidgetPointerEvent* pointerEvent = aEvent->AsPointerEvent();
+ MOZ_ASSERT(pointerEvent);
+ releasePointerCaptureCaller.SetTarget(pointerEvent);
}
}
}
@@ -8340,35 +8327,44 @@ PresShell::HandleEventInternal(WidgetEvent* aEvent,
return rv;
}
-void
-nsIPresShell::DispatchGotOrLostPointerCaptureEvent(bool aIsGotCapture,
- uint32_t aPointerId,
- uint16_t aPointerType,
- bool aIsPrimary,
- nsIContent* aCaptureTarget)
-{
- PointerEventInit init;
- init.mPointerId = aPointerId;
- init.mBubbles = true;
- ConvertPointerTypeToString(aPointerType, init.mPointerType);
- init.mIsPrimary = aIsPrimary;
- RefPtr<mozilla::dom::PointerEvent> event;
- event = PointerEvent::Constructor(aCaptureTarget,
- aIsGotCapture
- ? NS_LITERAL_STRING("gotpointercapture")
- : NS_LITERAL_STRING("lostpointercapture"),
- init);
- if (event) {
+/* static */ void
+nsIPresShell::DispatchGotOrLostPointerCaptureEvent(
+ bool aIsGotCapture,
+ const WidgetPointerEvent* aPointerEvent,
+ nsIContent* aCaptureTarget)
+{
+ nsIDocument* targetDoc = aCaptureTarget->OwnerDoc();
+ nsCOMPtr<nsIPresShell> shell = targetDoc->GetShell();
+ NS_ENSURE_TRUE_VOID(shell);
+
+ if (!aIsGotCapture && !aCaptureTarget->IsInUncomposedDoc()) {
+ // If the capturing element was removed from the DOM tree, fire
+ // ePointerLostCapture at the document.
+ PointerEventInit init;
+ init.mPointerId = aPointerEvent->pointerId;
+ init.mBubbles = true;
+ init.mComposed = true;
+ ConvertPointerTypeToString(aPointerEvent->inputSource, init.mPointerType);
+ init.mIsPrimary = aPointerEvent->mIsPrimary;
+ RefPtr<mozilla::dom::PointerEvent> event;
+ event = PointerEvent::Constructor(aCaptureTarget,
+ NS_LITERAL_STRING("lostpointercapture"),
+ init);
bool dummy;
- // If the capturing element was removed from the DOM tree,
- // lostpointercapture event should be fired at the document.
- if (!aIsGotCapture && !aCaptureTarget->IsInUncomposedDoc()) {
- aCaptureTarget->OwnerDoc()->DispatchEvent(event->InternalDOMEvent(),
- &dummy);
- } else {
- aCaptureTarget->DispatchEvent(event->InternalDOMEvent(), &dummy);
- }
+ targetDoc->DispatchEvent(event->InternalDOMEvent(), &dummy);
+ return;
}
+ nsEventStatus status = nsEventStatus_eIgnore;
+ WidgetPointerEvent localEvent(aPointerEvent->IsTrusted(),
+ aIsGotCapture ? ePointerGotCapture :
+ ePointerLostCapture,
+ aPointerEvent->mWidget);
+ localEvent.AssignPointerEventData(*aPointerEvent, true);
+ nsresult rv = shell->HandleEventWithTarget(
+ &localEvent,
+ aCaptureTarget->GetPrimaryFrame(),
+ aCaptureTarget, &status);
+ NS_ENSURE_SUCCESS_VOID(rv);
}
nsresult