public void forceTouchMove() {
int[] dummyCoordinates = mCoordinatesTemp;
DropTarget dropTarget = findDropTarget(mLastTouch[0], mLastTouch[1], dummyCoordinates);
mDragObject.x = dummyCoordinates[0];
mDragObject.y = dummyCoordinates[1];
checkTouchMove(dropTarget);
}
private void dropOnFlingToDeleteTarget(float x, float y, PointF vel) {
final int[] coordinates = mCoordinatesTemp;
mDragObject.x = coordinates[0];
mDragObject.y = coordinates[1];
// Clean up dragging on the target if it's not the current fling delete
// target otherwise,
// start dragging to it.
if (mLastDropTarget != null && mFlingToDeleteDropTarget != mLastDropTarget) {
mLastDropTarget.onDragExit(mDragObject);
}
// Drop onto the fling-to-delete target
boolean accepted = false;
mFlingToDeleteDropTarget.onDragEnter(mDragObject);
// We must set dragComplete to true _only_ after we "enter" the
// fling-to-delete target for
// "drop"
mDragObject.dragComplete = true;
mFlingToDeleteDropTarget.onDragExit(mDragObject);
if (mFlingToDeleteDropTarget.acceptDrop(mDragObject)) {
mFlingToDeleteDropTarget.onFlingToDelete(mDragObject, mDragObject.x, mDragObject.y, vel);
accepted = true;
}
mDragObject.dragSource.onDropCompleted(
(View) mFlingToDeleteDropTarget, mDragObject, true, accepted);
}
private void drop(float x, float y) {
final int[] coordinates = mCoordinatesTemp;
final DropTarget dropTarget = findDropTarget((int) x, (int) y, coordinates);
mDragObject.x = coordinates[0];
mDragObject.y = coordinates[1];
boolean accepted = false;
if (dropTarget != null) {
mDragObject.dragComplete = true;
dropTarget.onDragExit(mDragObject);
if (dropTarget.acceptDrop(mDragObject)) {
dropTarget.onDrop(mDragObject);
accepted = true;
}
}
mDragObject.dragSource.onDropCompleted((View) dropTarget, mDragObject, false, accepted);
}
private void handleMoveEvent(int x, int y) {
mDragObject.dragView.move(x, y);
// Drop on someone?
final int[] coordinates = mCoordinatesTemp;
DropTarget dropTarget = findDropTarget(x, y, coordinates);
mDragObject.x = coordinates[0];
mDragObject.y = coordinates[1];
checkTouchMove(dropTarget);
// Check if we are hovering over the scroll areas
mDistanceSinceScroll +=
Math.sqrt(Math.pow(mLastTouch[0] - x, 2) + Math.pow(mLastTouch[1] - y, 2));
mLastTouch[0] = x;
mLastTouch[1] = y;
checkScrollState(x, y);
}
private DropTarget findDropTarget(int x, int y, int[] dropCoordinates) {
final Rect r = mRectTemp;
final ArrayList<DropTarget> dropTargets = mDropTargets;
final int count = dropTargets.size();
for (int i = count - 1; i >= 0; i--) {
DropTarget target = dropTargets.get(i);
if (!target.isDropEnabled()) continue;
target.getHitRectRelativeToDragLayer(r);
mDragObject.x = x;
mDragObject.y = y;
if (r.contains(x, y)) {
dropCoordinates[0] = x;
dropCoordinates[1] = y;
mLauncher.getDragLayer().mapCoordInSelfToDescendent((View) target, dropCoordinates);
return target;
}
}
return null;
}
