void GestureRecognizer::singleTapGesture(WKEventType type, WKArrayRef touchPoints)
{
switch (type) {
case kWKEventTypeTouchStart:
stopTapTimers();
m_recognizerFunction = &GestureRecognizer::pinchGesture;
m_gestureHandler->handlePinchStarted(createVectorWithWKArray(touchPoints, 2));
break;
case kWKEventTypeTouchMove: {
IntPoint currentPoint = toIntPoint(getPointAtIndex(touchPoints, 0));
if (exceedsPanThreshold(m_firstPressedPoint, currentPoint)) {
stopTapTimers();
m_recognizerFunction = &GestureRecognizer::panGesture;
m_gestureHandler->handlePanStarted(currentPoint);
}
break;
}
case kWKEventTypeTouchEnd:
if (m_tapAndHoldTimer) {
ecore_timer_del(m_tapAndHoldTimer);
m_tapAndHoldTimer = 0;
}
if (m_doubleTapTimer)
m_recognizerFunction = &GestureRecognizer::doubleTapGesture;
else {
m_gestureHandler->handleSingleTap(m_firstPressedPoint);
m_recognizerFunction = &GestureRecognizer::noGesture;
}
break;
default:
ASSERT_NOT_REACHED();
break;
}
}
void GestureRecognizer::waitForDoubleTap(const NIXTouchEvent& event)
{
cancelDoubleTapTimerIfNeeded();
switch (event.type) {
case kNIXInputEventTypeTouchStart:
if (exceedsPanThreshold(event.touchPoints[0], m_firstTouchPoint))
reset();
else
m_state = &GestureRecognizer::doubleTapPressed;
break;
case kNIXInputEventTypeTouchMove:
case kNIXInputEventTypeTouchEnd:
fail("received TouchMove or TouchEnd when in WaitForDoubleTap state.");
break;
}
}
void GestureRecognizer::doubleTapPressed(const NIXTouchEvent& event)
{
const NIXTouchPoint& touchPoint = event.touchPoints[0];
switch (event.type) {
case kNIXInputEventTypeTouchMove:
if (exceedsPanThreshold(touchPoint, m_firstTouchPoint))
setupPanningData(event.timestamp, touchPoint);
break;
case kNIXInputEventTypeTouchEnd:
m_state = &GestureRecognizer::noGesture;
m_client->handleDoubleTap(event.timestamp, touchPoint);
break;
case kNIXInputEventTypeTouchStart:
m_state = &GestureRecognizer::pinchInProgress;
setupPinchData(event);
m_client->handlePinchStarted(event.timestamp);
break;
}
}
void GestureRecognizer::singleTapPressed(const NIXTouchEvent& event)
{
cancelLongTapTimerIfNeeded();
const NIXTouchPoint& touchPoint = event.touchPoints[0];
switch (event.type) {
case kNIXInputEventTypeTouchMove:
if (exceedsPanThreshold(touchPoint, m_firstTouchPoint))
setupPanningData(event.timestamp, touchPoint);
break;
case kNIXInputEventTypeTouchEnd:
m_state = &GestureRecognizer::waitForDoubleTap;
m_timestamp = event.timestamp;
startDoubleTapTimer();
break;
case kNIXInputEventTypeTouchStart:
m_state = &GestureRecognizer::pinchInProgress;
setupPinchData(event);
m_client->handlePinchStarted(event.timestamp);
break;
}
}
void GestureRecognizer::doubleTapGesture(WKTouchEventRef eventRef)
{
WKArrayRef touchPoints = WKTouchEventGetTouchPoints(eventRef);
switch (WKTouchEventGetType(eventRef)) {
case kWKEventTypeTouchStart: {
if (m_doubleTapTimer) {
ecore_timer_del(m_doubleTapTimer);
m_doubleTapTimer = 0;
}
size_t numberOfTouchPoints = WKArrayGetSize(touchPoints);
if (numberOfTouchPoints == 1) {
if (exceedsDoubleTapThreshold(m_firstPressedPoint, toIntPoint(getPointAtIndex(touchPoints, 0))))
m_recognizerFunction = &GestureRecognizer::singleTapGesture;
} else {
m_recognizerFunction = &GestureRecognizer::pinchGesture;
m_gestureHandler->handlePinchStarted(createVectorWithWKArray(touchPoints, 2));
}
break;
}
case kWKEventTypeTouchMove: {
IntPoint currentPoint = toIntPoint(getPointAtIndex(touchPoints, 0));
if (exceedsPanThreshold(m_firstPressedPoint, currentPoint)) {
m_recognizerFunction = &GestureRecognizer::panGesture;
m_gestureHandler->handlePanStarted(currentPoint);
}
break;
}
case kWKEventTypeTouchEnd:
m_gestureHandler->handleDoubleTap(m_firstPressedPoint);
m_recognizerFunction = &GestureRecognizer::noGesture;
break;
default:
ASSERT_NOT_REACHED();
break;
}
}