private void _handleOptionsChanged(GalleryOptions newOptions)
{
this.setState(() =>
{
if (this._options.timeDilation != newOptions.timeDilation)
{
this._timeDilationTimer?.cancel();
this._timeDilationTimer = null;
if (newOptions.timeDilation > 1.0f
) // We delay the time dilation change long enough that the user can see
// that UI has started reacting and then we slam on the brakes so that
// they see that the time is in fact now dilated.
{
this._timeDilationTimer = Timer.create(new TimeSpan(0, 0, 0, 0, 150),
() => { scheduler_.timeDilation = newOptions.timeDilation; });
}
else
{
scheduler_.timeDilation = newOptions.timeDilation;
}
}
this._options = newOptions;
});
}
public override void initState()
{
base.initState();
this._options = new GalleryOptions(
theme: GalleryTheme.kLightGalleryTheme,
textScaleFactor: GalleryTextScaleValue.kAllGalleryTextScaleValues[0],
timeDilation: SchedulerBinding.instance.timeDilation,
platform: Application.platform
);
}
public GalleryOptionsPage(
Key key = null,
GalleryOptions options = null,
ValueChanged <GalleryOptions> onOptionsChanged = null,
VoidCallback onSendFeedback = null
) : base(key: key)
{
this.options = options;
this.onOptionsChanged = onOptionsChanged;
this.onSendFeedback = onSendFeedback;
}
public GalleryHome(
Key key = null,
bool testMode = false,
Widget optionsPage = null,
GalleryOptions options = null
) : base(key: key)
{
this.testMode = testMode;
this.optionsPage = optionsPage;
this.options = options;
}
public override void initState()
{
base.initState();
this._options = new GalleryOptions(
themeMode: ThemeMode.system,
textScaleFactor: GalleryTextScaleValue.kAllGalleryTextScaleValues[0],
visualDensity: GalleryVisualDensityValue.kAllGalleryVisualDensityValues[0],
timeDilation: scheduler_.timeDilation,
platform: defaultTargetPlatform
);
this.model = new AppStateModel();
this.model.loadProducts();
}
void _handleOptionsChanged(GalleryOptions newOptions)
{
this.setState(() => {
if (this._options.timeDilation != newOptions.timeDilation)
{
this._timeDilationTimer?.cancel();
this._timeDilationTimer = null;
if (newOptions.timeDilation > 1.0f)
{
this._timeDilationTimer = Window.instance.run(new TimeSpan(0, 0, 0, 0, 150),
() => { SchedulerBinding.instance.timeDilation = newOptions.timeDilation; });
}
else
{
SchedulerBinding.instance.timeDilation = newOptions.timeDilation;
}
}
this._options = newOptions;
});
}
public _PlatformItem(GalleryOptions options, ValueChanged <GalleryOptions> onOptionsChanged)
{
this.options = options;
this.onOptionsChanged = onOptionsChanged;
}
public _TimeDilationItem(GalleryOptions options, ValueChanged <GalleryOptions> onOptionsChanged)
{
this.options = options;
this.onOptionsChanged = onOptionsChanged;
}
public _TextDirectionItem(GalleryOptions options, ValueChanged <GalleryOptions> onOptionsChanged)
{
this.options = options;
this.onOptionsChanged = onOptionsChanged;
}
public _VisualDensityItem(GalleryOptions options, ValueChanged <GalleryOptions> onOptionsChanged)
{
this.options = options;
this.onOptionsChanged = onOptionsChanged;
}
public _TextScaleFactorItem(GalleryOptions options, ValueChanged <GalleryOptions> onOptionsChanged)
{
this.options = options;
this.onOptionsChanged = onOptionsChanged;
}
public _ThemeModeItem(GalleryOptions options, ValueChanged <GalleryOptions> onOptionsChanged)
{
this.options = options;
this.onOptionsChanged = onOptionsChanged;
}
public override void reassemble()
{
this._options = this._options.copyWith(platform: defaultTargetPlatform);
base.reassemble();
}
