private void startClosestAirportTask(double x, double y) {
// We won't be doing the airport long press under certain circumstances
if (mDraw) {
return;
}
if (null != mClosestTask) {
mClosestTask.cancel(true);
}
mLongTouchDestination = null;
mClosestTask = new ClosestAirportTask();
double lon2, lat2;
if (mPref.isTrackUp()) {
double c_x = mOrigin.getOffsetX(mGpsParams.getLongitude());
double c_y = mOrigin.getOffsetY(mGpsParams.getLatitude());
double thetab = mGpsParams.getBearing();
double p[];
p = Helper.rotateCoord(c_x, c_y, thetab, x, y);
lon2 = mOrigin.getLongitudeOf(p[0]);
lat2 = mOrigin.getLatitudeOf(p[1]);
} else {
lon2 = mOrigin.getLongitudeOf(x);
lat2 = mOrigin.getLatitudeOf(y);
}
mClosestTask.execute(lon2, lat2);
}
/* (non-Javadoc)
* @see android.view.View.OnTouchListener#onTouch(android.view.View, android.view.MotionEvent)
*/
@Override
public boolean onTouch(View view, MotionEvent e) {
boolean bPassToGestureDetector = true;
if (e.getAction() == MotionEvent.ACTION_UP) {
/** Rubberbanding */
rubberBand(e.getX(), e.getY(), true);
/*
* Drag stops for rubber band
*/
mDragPlanPoint = -1;
/*
* Do not draw point. Only when long press and down.
*/
mPointProjection = null;
/*
* Now that we have moved passed the macro level, re-query for new tiles.
* Do not query repeatedly hence check for mFactor = 1
*/
if (mMacro != mScale.getMacroFactor()) {
loadTiles();
}
} else if (e.getAction() == MotionEvent.ACTION_DOWN) {
if (mService != null) {
/*
* Find if this is close to a plan point. Do rubber banding if true
* This is where rubberbanding starts
*/
if (mService.getPlan() != null && mDragPlanPoint < 0 && mPref.allowRubberBanding()) {
double lon = mOrigin.getLongitudeOf(e.getX());
double lat = mOrigin.getLatitudeOf(e.getY());
mDragPlanPoint = mService.getPlan().findClosePointId(lon, lat, mScale.getScaleFactor());
mDragStartedX = e.getX();
mDragStartedY = e.getY();
}
}
mGestureCallBack.gestureCallBack(GestureInterface.TOUCH, (LongTouchDestination) null);
// Remember this point so we can make sure we move far enough before losing the long press
mDoCallbackWhenDone = false;
mDownFocusPoint = getFocusPoint(e);
startClosestAirportTask(e.getX(), e.getY());
} else if (e.getAction() == MotionEvent.ACTION_MOVE) {
if (mDownFocusPoint != null) {
Point fp = getFocusPoint(e);
final int deltaX = fp.x - mDownFocusPoint.x;
final int deltaY = fp.y - mDownFocusPoint.y;
int distanceSquare = (deltaX * deltaX) + (deltaY * deltaY);
bPassToGestureDetector = distanceSquare > mTouchSlopSquare;
}
// Rubberbanding, intermediate
rubberBand(e.getX(), e.getY(), false);
}
if (bPassToGestureDetector) {
// Once we break out of the square or stop the long press, keep sending
if (e.getAction() == MotionEvent.ACTION_MOVE || e.getAction() == MotionEvent.ACTION_UP) {
mDownFocusPoint = null;
mPointProjection = null;
if (mClosestTask != null) {
mClosestTask.cancel(true);
}
}
mGestureDetector.onTouchEvent(e);
}
return mMultiTouchC.onTouchEvent(e, mScale.getMaxScale(), mScale.getMinScale(), mMacro);
}