void GestureEventListener::HandleInputTimeoutLongTap()
{
GEL_LOG("Running long-tap timeout task in state %d\n", mState);
mLongTapTimeoutTask = nullptr;
switch (mState) {
case GESTURE_FIRST_SINGLE_TOUCH_DOWN:
// just in case MAX_TAP_TIME > ContextMenuDelay cancel MAX_TAP timer
// and fall through
CancelMaxTapTimeoutTask();
case GESTURE_FIRST_SINGLE_TOUCH_MAX_TAP_DOWN: {
SetState(GESTURE_LONG_TOUCH_DOWN);
TapGestureInput tapEvent(TapGestureInput::TAPGESTURE_LONG,
mLastTouchInput.mTime,
mLastTouchInput.mTimeStamp,
mLastTouchInput.mTouches[0].mScreenPoint,
mLastTouchInput.modifiers);
mAsyncPanZoomController->HandleGestureEvent(tapEvent);
break;
}
default:
NS_WARNING("Unhandled state upon long tap timeout");
SetState(GESTURE_NONE);
break;
}
}
nsEventStatus GestureEventListener::HandleInputEvent(const MultiTouchInput& aEvent)
{
GEL_LOG("Receiving event type %d with %" PRIuSIZE " touches in state %d\n", aEvent.mType, aEvent.mTouches.Length(), mState);
nsEventStatus rv = nsEventStatus_eIgnore;
// Cache the current event since it may become the single or long tap that we
// send.
mLastTouchInput = aEvent;
switch (aEvent.mType) {
case MultiTouchInput::MULTITOUCH_START:
mTouches.Clear();
for (size_t i = 0; i < aEvent.mTouches.Length(); i++) {
mTouches.AppendElement(aEvent.mTouches[i]);
}
if (aEvent.mTouches.Length() == 1) {
rv = HandleInputTouchSingleStart();
} else {
rv = HandleInputTouchMultiStart();
}
break;
case MultiTouchInput::MULTITOUCH_MOVE:
for (size_t i = 0; i < aEvent.mTouches.Length(); i++) {
for (size_t j = 0; j < mTouches.Length(); j++) {
if (aEvent.mTouches[i].mIdentifier == mTouches[j].mIdentifier) {
mTouches[j].mScreenPoint = aEvent.mTouches[i].mScreenPoint;
}
}
}
rv = HandleInputTouchMove();
break;
case MultiTouchInput::MULTITOUCH_END:
for (size_t i = 0; i < aEvent.mTouches.Length(); i++) {
for (size_t j = 0; j < mTouches.Length(); j++) {
if (aEvent.mTouches[i].mIdentifier == mTouches[j].mIdentifier) {
mTouches.RemoveElementAt(j);
break;
}
}
}
rv = HandleInputTouchEnd();
break;
case MultiTouchInput::MULTITOUCH_CANCEL:
mTouches.Clear();
rv = HandleInputTouchCancel();
break;
}
return rv;
}
void GestureEventListener::HandleInputTimeoutMaxTap()
{
GEL_LOG("Running max-tap timeout task in state %d\n", mState);
mMaxTapTimeoutTask = nullptr;
if (mState == GESTURE_FIRST_SINGLE_TOUCH_DOWN) {
SetState(GESTURE_FIRST_SINGLE_TOUCH_MAX_TAP_DOWN);
} else if (mState == GESTURE_FIRST_SINGLE_TOUCH_UP ||
mState == GESTURE_SECOND_SINGLE_TOUCH_DOWN) {
SetState(GESTURE_NONE);
TriggerSingleTapConfirmedEvent();
} else {
NS_WARNING("Unhandled state upon MAX_TAP timeout");
SetState(GESTURE_NONE);
}
}