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Bug 785554 - Remove unnecessary touches in events sent to content process, r=cjones

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This commit is contained in:
Michael Wu 2012-08-29 13:06:11 -03:00
parent b244436094
commit 88b799b19a
1 changed files with 8 additions and 0 deletions
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8
dom/ipc/TabParent.cpp
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@ -362,6 +362,14 @@ bool TabParent::SendRealKeyEvent(nsKeyEvent& event)
bool TabParent::SendRealTouchEvent(nsTouchEvent& event)
{
nsTouchEvent e(event);
// PresShell::HandleEventInternal adds touches on touch end/cancel.
// This hack filters those out. Bug 785554
if (event.message == NS_TOUCH_END || event.message == NS_TOUCH_CANCEL) {
for (int i = e.touches.Length() - 1; i >= 0; i--) {
if (!e.touches[i]->mChanged)
e.touches.RemoveElementAt(i);
}
}
MaybeForwardEventToRenderFrame(event, &e);
return (e.message == NS_TOUCH_MOVE) ?
PBrowserParent::SendRealTouchMoveEvent(e) :