void ShowBackgroundForPopup(Android.Graphics.Color color)
{
if (_popupBasePage == null)
{
return;
}
if (_popupRenderer == null)
{
return;
}
_backgroundOverlay = new global::Android.Widget.LinearLayout(Android.App.Application.Context);
_pageRenderer.ViewGroup.AddView(_backgroundOverlay);
_backgroundOverlay.SetBackgroundColor(color);
_backgroundOverlay.Touch -= HidePopup;
_backgroundOverlay.Touch += HidePopup;
var metrics = _pageRenderer.Resources.DisplayMetrics;
_backgroundOverlay.Layout(
0,
0,
(int)(ScreenSizeHelper.ScreenWidth * metrics.Density),
(int)(ScreenSizeHelper.ScreenHeight * metrics.Density));
}
void ShowBackgroundOverlay (double alpha)
{
if (_basePage == null)
return;
var menu = _basePage.SlideMenu;
if (menu == null)
return;
double value = (double)(alpha * _basePage.SlideMenu.BackgroundViewColor.A);
if (_backgroundOverlay != null) {
var color = _basePage.SlideMenu.BackgroundViewColor.ToAndroid ();
color.A = (Byte)(255 * value);
_backgroundOverlay.SetBackgroundColor (color);
return;
}
_backgroundOverlay = new global::Android.Widget.LinearLayout (Android.App.Application.Context);
_pageRenderer.ViewGroup.AddView (_backgroundOverlay);
_backgroundOverlay.SetBackgroundColor (_basePage.SlideMenu.BackgroundViewColor.ToAndroid ());
_backgroundOverlay.Touch -= HideMenu;
_backgroundOverlay.Touch += HideMenu;
var metrics = _pageRenderer.Resources.DisplayMetrics;
_backgroundOverlay.Layout (
0,
0,
(int)(ScreenSizeHelper.ScreenWidth * metrics.Density),
(int)(ScreenSizeHelper.ScreenHeight * metrics.Density));
}
void ShowBackgroundForPopup(Android.Graphics.Color color)
{
if (_popupBasePage == null)
{
return;
}
if (_popupRenderer == null)
{
return;
}
_backgroundOverlay = new global::Android.Widget.LinearLayout(Forms.Context);
_pageRenderer.ViewGroup.AddView(_backgroundOverlay);
_backgroundOverlay.SetBackgroundColor(color);
_backgroundOverlay.Touch += (object sender, Android.Views.View.TouchEventArgs e) => {
_popupBasePage.HidePopupAction();
};
var metrics = _pageRenderer.Resources.DisplayMetrics;
_backgroundOverlay.Layout(
0,
0,
(int)(ScreenSizeHelper.ScreenWidth * metrics.Density),
(int)(ScreenSizeHelper.ScreenHeight * metrics.Density));
}
void OnSizeChanged(int w, int h, int oldw, int oldh)
{
if (_basePage == null)
{
return;
}
var metrics = _pageRenderer.Resources.DisplayMetrics;
ScreenSizeHelper.ScreenWidth = w / metrics.Density;
ScreenSizeHelper.ScreenHeight = h / metrics.Density;
var menu = _basePage.SlideMenu;
if (menu != null)
{
if (_dragGesture != null)
{
_dragGesture.UpdateLayoutSize(menu);
var rect = _dragGesture.GetHidePosition();
menu.Layout(new Xamarin.Forms.Rectangle(
rect.left / metrics.Density,
rect.top / metrics.Density,
(rect.right - rect.left) / metrics.Density,
(rect.bottom - rect.top) / metrics.Density));
if (_popMenuOverlayRenderer != null)
{
_popMenuOverlayRenderer.UpdateLayout();
}
_dragGesture.LayoutHideStatus();
return;
}
}
if (!string.IsNullOrEmpty(_currentPopup))
{
LayoutPopup();
}
if (_backgroundOverlay != null)
{
_backgroundOverlay.Layout(
0,
0,
(int)(ScreenSizeHelper.ScreenWidth * metrics.Density),
(int)(ScreenSizeHelper.ScreenHeight * metrics.Density));
}
}
void OnSizeChanged(int w, int h, int oldw, int oldh)
{
if (_basePage == null)
{
return;
}
var metrics = _pageRenderer.Resources.DisplayMetrics;
ScreenSizeHelper.ScreenWidth = w / metrics.Density;
ScreenSizeHelper.ScreenHeight = h / metrics.Density;
var menu = _basePage.SlideMenu;
if (menu != null)
{
if (_dragGesture != null)
{
_dragGesture.UpdateLayoutSize(menu);
// Actully, this cannot Layout the Hide Position
// but it can update the menu Layout, I didn't find a better to do so
var rect = _dragGesture.GetHidePosition();
menu.Layout(new Xamarin.Forms.Rectangle(
rect.left / metrics.Density,
rect.top / metrics.Density,
(rect.right - rect.left) / metrics.Density,
(rect.bottom - rect.top) / metrics.Density));
}
}
if (!string.IsNullOrEmpty(_currentPopup))
{
LayoutPopup();
}
if (_backgroundOverlay != null)
{
_backgroundOverlay.Layout(
0,
0,
(int)(ScreenSizeHelper.ScreenWidth * metrics.Density),
(int)(ScreenSizeHelper.ScreenHeight * metrics.Density));
}
}
void ShowBackgroundOverlay(double alpha)
{
if (_basePage == null)
return;
var menu = _basePage.SlideMenu;
if (menu == null)
return;
double value = (double)(alpha * _basePage.SlideMenu.BackgroundViewColor.A);
if (_backgroundOverlay != null) {
var color = _basePage.SlideMenu.BackgroundViewColor.ToAndroid ();
color.A = (Byte)(255 * value);
_backgroundOverlay.SetBackgroundColor (color);
return;
}
_backgroundOverlay = new global::Android.Widget.LinearLayout (Forms.Context);
_pageRenderer.ViewGroup.AddView (_backgroundOverlay);
_backgroundOverlay.SetBackgroundColor (_basePage.SlideMenu.BackgroundViewColor.ToAndroid ());
_backgroundOverlay.Touch += (object sender, Android.Views.View.TouchEventArgs e) => {
_basePage.HideMenuAction ();
};
var metrics = _pageRenderer.Resources.DisplayMetrics;
_backgroundOverlay.Layout (
0,
0,
(int)(ScreenSizeHelper.ScreenWidth * metrics.Density),
(int)(ScreenSizeHelper.ScreenHeight * metrics.Density));
}
