public override void OnGlobalLayout()
{
if (Build.VERSION.SdkInt >= BuildVersionCodes.JellyBean)
{
ViewTreeObserver.RemoveOnGlobalLayoutListener(this);
}
else
{
//noinspection deprecation
ViewTreeObserver.RemoveGlobalOnLayoutListener(this);
}
int spacing = Resources.GetDimensionPixelSize(Resource.Dimension.bible_nav_bible_book_grid_spacing);
int width = Resources.GetDimensionPixelSize(Resource.Dimension.bible_nav_chapter_grid_width);
int columns = NumColumns;
int i;
if (columns >= 10)
{
i = 10 * (width + spacing);
}
else
{
i = columns * (width + spacing);
}
ViewGroup localViewGroup = (ViewGroup)Parent;
if (localViewGroup != null)
{
int m = Resources.GetDimensionPixelSize(Resource.Dimension.bible_nav_chapter_horizontal_padding);
if (columns >= 10)
{
columns = localViewGroup.MeasuredWidth - i - m;
if (!PaddingCorrection(localViewGroup, i, spacing, m, columns, width))
{
SetPadding(m, m, columns, m);
}
}
else
{
columns = (localViewGroup.MeasuredWidth - i) / 2;
if (!PaddingCorrection(localViewGroup, i, spacing, m, columns, width))
{
SetPadding(columns, m, columns, m);
}
}
}
ViewTreeObserver.AddOnGlobalLayoutListener(new CenteredGridViewListener(this));
}
private void OnViewTreeObserverOnGlobalFocusChange(object sender, ViewTreeObserver.GlobalFocusChangeEventArgs args)
{
if (args.NewFocus == null)
{
_viewWithLastFocus = null;
return;
}
if (args.NewFocus != ListView)
{
//check if it's one of our's
var parent = args.NewFocus.Parent;
while (parent != null && parent != parent.Parent)
{
if (parent == ListView)
{
_viewWithLastFocus = args.NewFocus;
break;
}
parent = parent.Parent;
}
}
}
private void PSTSViewTreeObserverOnPreDraw(object sender, ViewTreeObserver.PreDrawEventArgs preDrawEventArgs)
{
FinalTabsY = Utils.DpToPx(-2, Context);
MPagerSlidingTabStrip.ViewTreeObserver.PreDraw -= PSTSViewTreeObserverOnPreDraw;
}
private void ToolbarViewTreeObserverOnPreDraw(object sender, ViewTreeObserver.PreDrawEventArgs preDrawEventArgs)
{
//rotation fix, if not set, originalTitleY = Na
ViewHelper.SetTranslationY(MLogo, 0);
ViewHelper.SetTranslationX(MLogo, 0);
OriginalTitleY = ViewHelper.GetY(MLogo);
OriginalTitleX = ViewHelper.GetX(MLogo);
OriginalTitleHeight = MLogo.Height;
FinalTitleHeight = Utils.DpToPx(21, Context);
//the final scale of the logo
FinalScale = FinalTitleHeight / OriginalTitleHeight;
FinalTitleY = (Toolbar.PaddingTop + Toolbar.Height) / 2f - FinalTitleHeight / 2 - (1 - FinalScale) * FinalTitleHeight;
//(mLogo.getWidth()/2) *(1-finalScale) is the margin left added by the scale() on the logo
//when logo scaledown, the content stay in center, so we have to anually remove the left padding
FinalTitleX = Utils.DpToPx(52f, Context) - (MLogo.Width / 2f) * (1 - FinalScale);
ToolbarLayout.ViewTreeObserver.PreDraw -= ToolbarViewTreeObserverOnPreDraw;
}
private void ViewTreeObserverOnPreDraw(object sender, ViewTreeObserver.PreDrawEventArgs preDrawEventArgs)
{
SetMaterialHeight();
ViewTreeObserver.PreDraw -= ViewTreeObserverOnPreDraw;
}
void ViewTreeObserver.IOnGlobalLayoutListener.OnGlobalLayout()
{
EmitGlobalLayout ();
if (OneTime) {
if (_wasRaise)
return;
_wasRaise = true;
RemoveLisener ();
return;
}
_viewTreeObserver = _view.ViewTreeObserver;
}
private void RemoveLisener()
{
if (_wasRemoved)
return;
if (_view == null)
return;
try {
_viewTreeObserver = _view.ViewTreeObserver;
if (PhoneFactory.Api > 15)
_viewTreeObserver.RemoveOnGlobalLayoutListener (this);
else {
#pragma warning disable 0618
_viewTreeObserver.RemoveGlobalOnLayoutListener (this);
#pragma warning restore 0618
}
_wasRemoved = true;
_view = null;
_viewTreeObserver = null;
} catch (Exception ex) {
Log.Warn (Tag, string.Format ("Failed to remove lisenere:{0}", ex.Message));
}
}
private void Init()
{
_viewTreeObserver = _view.ViewTreeObserver;
_viewTreeObserver.AddOnGlobalLayoutListener (this);
}
