void HandleLongClick(int token, CanvasContent content)
{
if (_longClickToken == token)
{
//
// Cancel the touch
//
var cancelled = new List <CanvasTouch> ();
for (var i = 0; i < _activeTouches.Length; i++)
{
if (_activeTouches[i] != null)
{
cancelled.Add(_activeTouches[i]);
_activeTouches[i] = null;
}
}
content.TouchesCancelled(cancelled.ToArray());
//
// Notify
//
var ev = LongClick;
if (ev != null)
{
ev(this, EventArgs.Empty);
}
}
}
public JsonResult GetContent(int pageId)
{
IEnumerable <IPublishedContent> pages = null;
if (pageId == 0)
{
pages = Umbraco.TypedContentAtRoot();
}
else
{
pages = Umbraco.TypedContent(pageId).Children;
}
var list = new List <CanvasContent>();
foreach (var p in pages)
{
var e = new CanvasContent
{
contentType = p.ContentType.Alias,
id = p.Id,
name = p.Name,
url = p.Url,
hasChildren = false
};
if (p.Children().Any())
{
e.hasChildren = true;
}
list.Add(e);
}
var jsonResult = Json(list, JsonRequestBehavior.AllowGet);
jsonResult.MaxJsonLength = int.MaxValue;
return(jsonResult);
}
void HandleLongClick(int token, CanvasContent content)
{
if (_longClickToken == token) {
//
// Cancel the touch
//
var cancelled = new List<CanvasTouch> ();
for (var i = 0; i < _activeTouches.Length; i++) {
if (_activeTouches[i] != null) {
cancelled.Add (_activeTouches[i]);
_activeTouches[i] = null;
}
}
content.TouchesCancelled (cancelled.ToArray ());
//
// Notify
//
var ev = LongClick;
if (ev != null) {
ev (this, EventArgs.Empty);
}
}
}
public void OnTouchEvent(global::Android.Views.MotionEvent e, CanvasContent content)
{
if (content == null) throw new ArgumentNullException ("content");
if (e == null) throw new ArgumentNullException ("e");
var began = new List<CanvasTouch> ();
var moved = new List<CanvasTouch> ();
var ended = new List<CanvasTouch> ();
var cancelled = new List<CanvasTouch> ();
var pointerCount = e.PointerCount;
var actionMasked = e.Action & global::Android.Views.MotionEventActions.Mask;
var actionIndex = (int)(e.Action & global::Android.Views.MotionEventActions.PointerIdMask) >> (int)global::Android.Views.MotionEventActions.PointerIdShift;
var actionId = e.GetPointerId (actionIndex);
//Log.WriteLine("a = {0}, index = {1}, id = {2}, c = {3}", actionMasked, actionIndex, actionId, pointerCount);
switch (actionMasked) {
case global::Android.Views.MotionEventActions.Move:
for (var index = 0; index < pointerCount; index++) {
var id = e.GetPointerId (index);
if (id < MaxTouchId) {
var t = _activeTouches[id];
if (t != null) {
var curSuperLoc = t.SuperCanvasLocation;
var newSuperLoc = new System.Drawing.PointF (e.GetX (index), e.GetY (index));
var dx = curSuperLoc.X - newSuperLoc.X;
var dy = curSuperLoc.Y - newSuperLoc.Y;
if (t.IsMoving ||
(Math.Abs (dx) > _initialMoveResolution ||
Math.Abs (dy) > _initialMoveResolution) ||
NumActiveTouches > 1) {
t.SuperCanvasPreviousLocation = t.SuperCanvasLocation;
t.CanvasPreviousLocation = t.CanvasLocation;
t.PreviousTime = t.Time;
t.IsMoving = true;
t.SuperCanvasLocation = newSuperLoc;
t.CanvasLocation = LocationFromView (t.SuperCanvasLocation);
t.Time = DateTime.UtcNow;
moved.Add (t);
_longClickToken = -1;
}
}
}
}
break;
case global::Android.Views.MotionEventActions.Down:
case global::Android.Views.MotionEventActions.PointerDown:
if (actionId < MaxTouchId) {
var t = new AndroidTouch {
Handle = new IntPtr (actionId + 1), // +1 because IntPtr=0 is special
SuperCanvasLocation = new System.Drawing.PointF (e.GetX (actionIndex), e.GetY (actionIndex)),
Time = DateTime.UtcNow,
TapCount = 1,
};
t.CanvasLocation = LocationFromView (t.SuperCanvasLocation);
t.CanvasPreviousLocation = t.CanvasLocation;
t.SuperCanvasPreviousLocation = t.SuperCanvasLocation;
t.PreviousTime = t.Time;
began.Add (t);
_activeTouches[actionId] = t;
//
// Detect double tap
//
if ((t.Time - _lastBeganTime).TotalMilliseconds <= _doubleTapTimeoutMillis &&
Math.Abs (_lastBeganLocation.X - t.SuperCanvasLocation.X) <= _doubleTapResolution &&
Math.Abs (_lastBeganLocation.Y - t.SuperCanvasLocation.Y) <= _doubleTapResolution) {
t.TapCount = 2;
}
else {
//
// Detect long press
//
if (NumActiveTouches == 1) {
var tok = _longClickTokenGenerator.Next ();
_handler.PostDelayed (() => { HandleLongClick (tok, content); }, _longClickTimeoutMillis);
_longClickToken = tok;
}
else {
_longClickToken = -1;
}
}
_lastBeganTime = t.Time;
_lastBeganLocation = t.SuperCanvasLocation;
}
break;
case global::Android.Views.MotionEventActions.Up:
case global::Android.Views.MotionEventActions.PointerUp:
if (actionId < MaxTouchId) {
var t = _activeTouches[actionId];
if (t != null) {
t.Time = DateTime.UtcNow;
_activeTouches[actionId] = null;
ended.Add (t);
}
_longClickToken = -1;
}
break;
}
if (began.Count > 0) {
content.TouchesBegan (began.ToArray ());
}
if (moved.Count > 0) {
content.TouchesMoved (moved.ToArray ());
}
if (ended.Count > 0) {
content.TouchesEnded (ended.ToArray ());
}
if (cancelled.Count > 0) {
content.TouchesCancelled (cancelled.ToArray ());
}
}
public void OnTouchEvent(global::Android.Views.MotionEvent e, CanvasContent content)
{
if (content == null)
{
throw new ArgumentNullException("content");
}
if (e == null)
{
throw new ArgumentNullException("e");
}
var began = new List <CanvasTouch> ();
var moved = new List <CanvasTouch> ();
var ended = new List <CanvasTouch> ();
var cancelled = new List <CanvasTouch> ();
var pointerCount = e.PointerCount;
var actionMasked = e.Action & global::Android.Views.MotionEventActions.Mask;
var actionIndex = (int)(e.Action & global::Android.Views.MotionEventActions.PointerIdMask) >> (int)global::Android.Views.MotionEventActions.PointerIdShift;
var actionId = e.GetPointerId(actionIndex);
//Log.WriteLine("a = {0}, index = {1}, id = {2}, c = {3}", actionMasked, actionIndex, actionId, pointerCount);
switch (actionMasked)
{
case global::Android.Views.MotionEventActions.Move:
for (var index = 0; index < pointerCount; index++)
{
var id = e.GetPointerId(index);
if (id < MaxTouchId)
{
var t = _activeTouches[id];
if (t != null)
{
var curSuperLoc = t.SuperCanvasLocation;
var newSuperLoc = new System.Drawing.PointF(e.GetX(index), e.GetY(index));
var dx = curSuperLoc.X - newSuperLoc.X;
var dy = curSuperLoc.Y - newSuperLoc.Y;
if (t.IsMoving ||
(Math.Abs(dx) > _initialMoveResolution ||
Math.Abs(dy) > _initialMoveResolution) ||
NumActiveTouches > 1)
{
t.SuperCanvasPreviousLocation = t.SuperCanvasLocation;
t.CanvasPreviousLocation = t.CanvasLocation;
t.PreviousTime = t.Time;
t.IsMoving = true;
t.SuperCanvasLocation = newSuperLoc;
t.CanvasLocation = LocationFromView(t.SuperCanvasLocation);
t.Time = DateTime.UtcNow;
moved.Add(t);
_longClickToken = -1;
}
}
}
}
break;
case global::Android.Views.MotionEventActions.Down:
case global::Android.Views.MotionEventActions.PointerDown:
if (actionId < MaxTouchId)
{
var t = new AndroidTouch {
Handle = new IntPtr(actionId + 1), // +1 because IntPtr=0 is special
SuperCanvasLocation = new System.Drawing.PointF(e.GetX(actionIndex), e.GetY(actionIndex)),
Time = DateTime.UtcNow,
TapCount = 1,
};
t.CanvasLocation = LocationFromView(t.SuperCanvasLocation);
t.CanvasPreviousLocation = t.CanvasLocation;
t.SuperCanvasPreviousLocation = t.SuperCanvasLocation;
t.PreviousTime = t.Time;
began.Add(t);
_activeTouches[actionId] = t;
//
// Detect double tap
//
if ((t.Time - _lastBeganTime).TotalMilliseconds <= _doubleTapTimeoutMillis &&
Math.Abs(_lastBeganLocation.X - t.SuperCanvasLocation.X) <= _doubleTapResolution &&
Math.Abs(_lastBeganLocation.Y - t.SuperCanvasLocation.Y) <= _doubleTapResolution)
{
t.TapCount = 2;
}
else
{
//
// Detect long press
//
if (NumActiveTouches == 1)
{
var tok = _longClickTokenGenerator.Next();
_handler.PostDelayed(() => { HandleLongClick(tok, content); }, _longClickTimeoutMillis);
_longClickToken = tok;
}
else
{
_longClickToken = -1;
}
}
_lastBeganTime = t.Time;
_lastBeganLocation = t.SuperCanvasLocation;
}
break;
case global::Android.Views.MotionEventActions.Up:
case global::Android.Views.MotionEventActions.PointerUp:
if (actionId < MaxTouchId)
{
var t = _activeTouches[actionId];
if (t != null)
{
t.Time = DateTime.UtcNow;
_activeTouches[actionId] = null;
ended.Add(t);
}
_longClickToken = -1;
}
break;
}
if (began.Count > 0)
{
content.TouchesBegan(began.ToArray(), CanvasKeys.None);
}
if (moved.Count > 0)
{
content.TouchesMoved(moved.ToArray());
}
if (ended.Count > 0)
{
content.TouchesEnded(ended.ToArray());
}
if (cancelled.Count > 0)
{
content.TouchesCancelled(cancelled.ToArray());
}
}
