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Bug 1315245 - Part 1: Don't dispatch event to AccessibleCaretEventHub when the event status is nsEventStatus_eConsumeNoDefault. r=smaug

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This commit is contained in:
Stone Shih
2016-11-29 14:07:12 +08:00
parent 3d7f770f81
commit 0a1630f428
1 changed files with 5 additions and 1 deletions
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6
layout/base/PresShell.cpp
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@@ -7396,7 +7396,11 @@ PresShell::HandleEvent(nsIFrame* aFrame,
RefPtr<AccessibleCaretEventHub> eventHub =
presShell ? presShell->GetAccessibleCaretEventHub() : nullptr;
if (eventHub) {
if (eventHub && *aEventStatus != nsEventStatus_eConsumeNoDefault) {
// Don't dispatch event to AccessibleCaretEventHub when the event status
// is nsEventStatus_eConsumeNoDefault. This might be happened when content
// preventDefault on the pointer events. In such case, we also call
// preventDefault on mouse events to stop default behaviors.
*aEventStatus = eventHub->HandleEvent(aEvent);
if (*aEventStatus == nsEventStatus_eConsumeNoDefault) {
// If the event is consumed, cancel APZC panning by setting