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Bug 1327185 - Part 2: Forward eDragExit to remote target. r=smaug

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MozReview-Commit-ID: 1feeQySngQJ
This commit is contained in:
Stone Shih 2017-01-16 17:18:25 +08:00
parent d7b2839aa1
commit 5df23410c0
1 changed files with 19 additions and 0 deletions
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19
dom/events/EventStateManager.cpp
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@ -3438,6 +3438,12 @@ EventStateManager::PostHandleEvent(nsPresContext* aPresContext,
// make sure to fire the enter and exit_synth events after the
// eDragExit event, otherwise we'll clean up too early
GenerateDragDropEnterExit(presContext, aEvent->AsDragEvent());
if (ContentChild* child = ContentChild::GetSingleton()) {
// SendUpdateDropEffect to prevent nsIDragService from waiting for
// response of forwarded dragexit event.
child->SendUpdateDropEffect(nsIDragService::DRAGDROP_ACTION_NONE,
nsIDragService::DRAGDROP_ACTION_NONE);
}
break;
case eKeyUp:
@ -4413,6 +4419,19 @@ EventStateManager::GenerateDragDropEnterExit(nsPresContext* aPresContext,
FireDragEnterOrExit(sLastDragOverFrame->PresContext(),
aDragEvent, eDragExit,
targetContent, lastContent, sLastDragOverFrame);
nsIContent* target = sLastDragOverFrame ? sLastDragOverFrame.GetFrame()->GetContent() : nullptr;
if (IsRemoteTarget(target)) {
// Dragging something and moving from web content to chrome only
// fires dragexit and dragleave to xul:browser. We have to forward
// dragexit to sLastDragOverFrame when its content is a remote
// target. We don't forward dragleave since it's generated from
// dragexit.
WidgetDragEvent remoteEvent(aDragEvent->IsTrusted(), eDragExit,
aDragEvent->mWidget);
remoteEvent.AssignDragEventData(*aDragEvent, true);
nsEventStatus remoteStatus = nsEventStatus_eIgnore;
HandleCrossProcessEvent(&remoteEvent, &remoteStatus);
}
}
FireDragEnterOrExit(aPresContext, aDragEvent, eDragEnter,