diff options
Diffstat (limited to 'WebCore/page/EventHandler.cpp')
| -rw-r--r-- | WebCore/page/EventHandler.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/WebCore/page/EventHandler.cpp b/WebCore/page/EventHandler.cpp index 6082cfe..741401c 100644 --- a/WebCore/page/EventHandler.cpp +++ b/WebCore/page/EventHandler.cpp @@ -2622,6 +2622,13 @@ bool EventHandler::handleTouchEvent(const PlatformTouchEvent& event) touches->append(touch); // Now build up the correct list for changedTouches. + // Note that any touches that are in the TouchStationary state (e.g. if + // the user had several points touched but did not move them all) should + // only be present in the touches list. They may also be added to the + // targetTouches list later, but should never be in the changedTouches + // list so we do not handle them explicitly here. + // See https://bugs.webkit.org/show_bug.cgi?id=37609 for further discussion + // about the TouchStationary state. if (point.state() == PlatformTouchPoint::TouchReleased) releasedTouches->append(touch); else if (point.state() == PlatformTouchPoint::TouchCancelled) |