public override void ComputeScroll()
{
if (!mScroller.IsFinished)
{
if (mScroller.ComputeScrollOffset())
{
int oldX = ScrollX;
int oldY = ScrollY;
int x = mScroller.CurrX;
int y = mScroller.CurrY;
if (oldX != x || oldY != y)
{
ScrollTo(x, y);
PageScrolled(x);
}
// Keep on drawing until the animation has finished.
Invalidate();
return;
}
}
// Done with scroll, clean up state.
CompleteScroll();
}
public override void ComputeScroll()
{
// if (IsAttachedToWindow) {
// TODO [email protected]: This bug causes an exception to be thrown when the scroller is disposes.
// this usually happens when starting a remote view
// L.E(this, "Tried to compute scroll while swipe menu was not attached to the a window.");
// return;
// }
try {
if (isOpen)
{
if (openScroller.ComputeScrollOffset())
{
Swipe(openScroller.CurrX * (int)recyclerView.swipeDirection);
PostInvalidate();
}
}
else
{
if (closeScroller.ComputeScrollOffset())
{
Swipe((int)((baseX - closeScroller.CurrX) * (int)recyclerView.swipeDirection));
PostInvalidate();
}
}
} catch (Exception e) {
L.E(this, "Tried to compute scroll while swipe menu was not attached to a window", e);
}
}
public bool OnFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)
{
var x = e2.GetX();
var y = e2.GetY();
Scroller.Fling((int)x, (int)y, (int)velocityX / 4, (int)velocityY / 4, 0, Width * 5, 0, Height * 5);
Device.StartTimer(new TimeSpan(1), () => {
if (Scroller.ComputeScrollOffset())
{
var xx = Scroller.CurrX;
var yy = Scroller.CurrY;
Element.ViewPoint = Element.ViewPoint.Offset(-(xx - x) / Element.ViewScale, -(yy - y) / Element.ViewScale);
DrawImage = Element.DrawImmageRequest(Element.ViewPoint, Matrix2.Enlargement(ViewSize, 1 / Element.ViewScale, 1 / Element.ViewScale));
Invalidate();
}
return(!Scroller.IsFinished);
});
return(true);
}
public void Run()
{
try
{
if (_scroller.IsFinished)
{
_scroller = null;
return;
}
if (_scroller.ComputeScrollOffset())
{
var newX = _scroller.CurrX;
var newY = _scroller.CurrY;
var transX = newX - _currX;
var transY = newY - _currY;
_currX = newX;
_currY = newY;
_view._matrix.PostTranslate(transX, transY);
_view.FixTrans();
_view.ImageMatrix = _view._matrix;
_view.CompatPostOnAnimation(this);
}
}
catch (System.Exception ex)
{
AppSettings.Logger.Warning(ex);
}
}
public void Run()
{
try
{
if (_scroller.IsFinished)
{
_scroller = null;
return;
}
if (_scroller.ComputeScrollOffset())
{
var newX = _scroller.CurrX;
var newY = _scroller.CurrY;
var transX = newX - _currX;
var transY = newY - _currY;
_currX = newX;
_currY = newY;
_view._matrix.PostTranslate(transX, transY);
_view.FixTrans();
_view.ImageMatrix = _view._matrix;
_view.CompatPostOnAnimation(this);
}
}
catch
{
//todo nothing
}
}
public override void ComputeScroll()
{
if (_mScroller.ComputeScrollOffset())
{
ScrollTo(_mScroller.CurrX, _mScroller.CurrY);
PostInvalidate();
}
else if (_mNextScreen != INVALID_SCREEN)
{
_mCurrentScreen = Math.Max(0, Math.Min(_mNextScreen, ChildCount - 1));
for (int i = 0; i < _pages.Count; i++)
{
var idx = i;
if ((i == _mCurrentScreen) || (i == _mCurrentScreen - 1) || (i == _mCurrentScreen + 1))
{
LoadItem(idx);
}
else
{
UnloadItem(idx);
}
}
// Notify observer about screen change
if (MOnScreenSwitchListener != null)
{
MOnScreenSwitchListener(this, new ScreenSwitchArgs(_mCurrentScreen));
}
_mNextScreen = INVALID_SCREEN;
}
}
public override void ComputeScroll()
{
if (mScroller.ComputeScrollOffset())
{
int oldX = ScrollX;
int oldY = ScrollY;
int x = mScroller.CurrX;
int y = mScroller.CurrY;
if (ChildCount > 0)
{
View child = GetChildAt(0);
scrollTo(clamp(x, Width - PaddingRight - PaddingLeft, (int)(child.Width / mChild.mScaleFactor)),
clamp(y, Height + PaddingBottom - PaddingTop, (int)((child.Height + child.PaddingBottom) / mChild.mScaleFactor)));
}
else
{
scrollTo(x, y);
}
if (oldX != ScrollX || oldY != ScrollY)
{
OnScrollChanged(ScrollX, ScrollY, oldX, oldY);
}
PostInvalidate();
}
}
void View_ComputeScrollEvent(object sender, EventArgs e)
{
if (Scroller.ComputeScrollOffset())
{
_view.ScrollTo(Scroller.CurrX, Scroller.CurrY);
_view.PostInvalidate();
}
}
public override void ComputeScroll()
{
if (Scroller != null && Scroller.ComputeScrollOffset())
{
ScrollTo(Scroller.CurrX, Scroller.CurrY);
PostInvalidate();
}
}
public override void ComputeScroll()
{
if (mScroller.ComputeScrollOffset())
{
ScrollTo(mScroller.CurrX, mScroller.CurrY);
Invalidate();
}
//base.ComputeScroll();
}
private void IncrementSnapback()
{
if (scroller.IsFinished)
{
return;
}
var more = scroller.ComputeScrollOffset();
Header.OffsetTopAndBottom(current_scroll_y - scroller.CurrY);
((View)ContentView).OffsetTopAndBottom(current_scroll_y - scroller.CurrY);
current_scroll_y = scroller.CurrY;
if (more)
{
ViewCompat.PostInvalidateOnAnimation(this);
}
}
public override void ComputeScroll()
{
if (scroller.ComputeScrollOffset())
{
View view = GetChildAt(1);
int left = startScrollLeftOffset + scroller.CurrX;
view.Layout(left, view.Top, left + view.Width, view.Height);
PostInvalidate();
}
}
protected void ComputeLayerScroll()
{
if (layerScroller.ComputeScrollOffset())
{
int x = layerScroller.CurrX;
int y = layerScroller.CurrY;
LayerScrollTo(x, y);
UpdateLayerScroll();
}
}
public bool computeScrollOffset()
{
if (isPreGingerbread)
{
return(scroller.ComputeScrollOffset());
}
else
{
return(overScroller.ComputeScrollOffset());
}
}
public override void ComputeScroll()
{
if (_scroller.ComputeScrollOffset())
{
ScrollTo(_scroller.CurrX, _scroller.CurrY);
PostInvalidate();
}
else if (_nextScreen != INVALID_SCREEN)
{
_currentScreen = Math.Max(0, Math.Min(_nextScreen, ChildCount - 1));
OnScreenChanged(new EventArgs());
_nextScreen = INVALID_SCREEN;
}
}
protected override void OnLayout(bool changed, int left, int top, int right, int bottom)
{
base.OnLayout(changed, left, top, right, bottom);
if (null == Adapter)
{
return;
}
if (_dataChanged)
{
var oldCurrentX = CurrentX;
InitView();
RemoveAllViewsInLayout();
_nextX = oldCurrentX;
_dataChanged = false;
}
if (Scroller.ComputeScrollOffset())
{
_nextX = Scroller.CurrX;
}
if (_nextX <= 0)
{
_nextX = 0;
Scroller.ForceFinished(true);
}
if (_nextX >= _maxX)
{
_nextX = _maxX;
Scroller.ForceFinished(true);
}
var dx = CurrentX - _nextX;
RemoveNonVisibleItems(dx);
FillList(dx);
PositionItems(dx);
CurrentX = _nextX;
if (!Scroller.IsFinished)
{
Post(RequestLayout);
}
}
public override void ComputeScroll()
{
if (mScroller.ComputeScrollOffset())
{
ScrollTo(mScroller.CurrX, mScroller.CurrY);
PostInvalidate();
}
else if (mNextScreen != INVALID_SCREEN)
{
mCurrentScreen = Math.Max(0, Math.Min(mNextScreen, this.ChildCount - 1));
OnChanged(EventArgs.Empty);
mNextScreen = INVALID_SCREEN;
}
}
public override void ComputeScroll()
{
if (mScroller.ComputeScrollOffset())
{
ScrollTo(mScroller.CurrX, mScroller.CurrY);
if (mOnScrollListener != null)
{
mOnScrollListener.OnScroll(GetCurrentScreenFraction());
}
PostInvalidate();
}
else if (mNextScreen != INVALID_SCREEN)
{
// The scroller has finished.
HandleScreenChangeCompletion(Java.Lang.Math.Max(0, Java.Lang.Math.Min(mNextScreen, GetScreenCount() - 1)));
mNextScreen = INVALID_SCREEN;
}
}
public override void ComputeScroll()
{
if (mScroller.ComputeScrollOffset())
{
// This is called at drawing time by ViewGroup. We don't want to
// re-show the scrollbars at this point, which scrollTo will do,
// so we replicate most of scrollTo here.
//
// It's a little odd to call onScrollChanged from inside the drawing.
//
// It is, except when you remember that computeScroll() is used to
// animate scrolling. So unless we want to defer the onScrollChanged()
// until the end of the animated scrolling, we don't really have a
// choice here.
//
// I agree. The alternative, which I think would be worse, is to post
// something and tell the subclasses later. This is bad because there
// will be a window where mScrollX/Y is different from what the app
// thinks it is.
//
int oldX = ScrollX;
int oldY = ScrollY;
int x = mScroller.CurrX;
int y = mScroller.CurrY;
if (ChildCount > 0)
{
View child = GetChildAt(0);
ScrollTo(Clamp(x, Width - PaddingRight - PaddingLeft, child.Width),
Clamp(y, Height - PaddingBottom - PaddingTop, child.Height));
}
else
{
ScrollTo(x, y);
}
if (oldX != ScrollX || oldY != ScrollY)
{
OnScrollChanged(ScrollX, ScrollY, oldX, oldY);
}
// Keep on drawing until the animation has finished.
PostInvalidate();
}
}
private void RefreshPosition()
{
if (_dataChanged)
{
var oldCurrentX = CurrentX;
InitView();
RecycleAllItems();
_nextX = oldCurrentX;
_dataChanged = false;
}
if (Scroller.ComputeScrollOffset())
{
_nextX = Scroller.CurrX;
}
if (_nextX <= 0)
{
_nextX = 0;
Scroller.ForceFinished(true);
}
if (_nextX >= _maxX)
{
_nextX = _maxX;
Scroller.ForceFinished(true);
}
var dx = CurrentX - _nextX;
RemoveNonVisibleItems(dx);
FillList(dx);
PositionItems(dx);
CurrentX = _nextX;
if (!Scroller.IsFinished)
{
Post(RefreshPosition);
}
}
public void Run()
{
if (scroller.IsFinished)
{
scroller = null;
return;
}
if (scroller.ComputeScrollOffset())
{
int newX = scroller.CurrX;
int newY = scroller.CurrY;
int transX = newX - currX;
int transY = newY - currY;
currX = newX;
currY = newY;
view.matrix.PostTranslate(transX, transY);
view.FixTrans();
view.ImageMatrix = view.matrix;
view.CompatPostOnAnimation(this);
}
}
public override void ComputeScroll()
{
if (!_scroller.IsFinished)
{
if (_scroller.ComputeScrollOffset())
{
var oldX = ScrollX;
var oldY = ScrollY;
var x = _scroller.CurrX;
var y = _scroller.CurrY;
if (oldX != x ||oldY != y)
{
ScrollTo(x, y);
OnPageScrolled(x);
}
Invalidate();
return;
}
}
CompleteScroll();
}
public override bool ComputeScrollOffset()
{
return(mScroller.ComputeScrollOffset());
}
