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Bug 853490 - Added a block so that Windows pinch-to-zoom ends with a MozMagnifyGesture--implicitly, the end of the gesture. Parity with OS X. r=jmathies

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This commit is contained in:
Brandon Waterloo 2013-03-22 15:23:53 -04:00
parent c79f7848c0
commit 928249854c
1 changed files with 9 additions and 1 deletions
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10
widget/windows/nsWinGesture.cpp
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@ -336,8 +336,16 @@ nsWinGesture::ProcessGestureMessage(HWND hWnd, WPARAM wParam, LPARAM lParam, nsS
evt.message = NS_SIMPLE_GESTURE_MAGNIFY_START;
evt.delta = 0.0;
}
else if (gi.dwFlags & GF_END) {
// Send a zoom end event, the delta is the change
// in touch points.
evt.message = NS_SIMPLE_GESTURE_MAGNIFY;
// (positive for a "zoom in")
evt.delta = -1.0 * (mZoomIntermediate - (float)gi.ullArguments);
mZoomIntermediate = (float)gi.ullArguments;
}
else {
// Send a zoom intermediate/end event, the delta is the change
// Send a zoom intermediate event, the delta is the change
// in touch points.
evt.message = NS_SIMPLE_GESTURE_MAGNIFY_UPDATE;
// (positive for a "zoom in")