/// <summary>
/// Handles the Changed event of the FullScreen control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void FullScreen_Changed(object sender, EventArgs e)
{
VideoPreview preview = sender as VideoPreview;
if (preview != null)
{
// Check if there is any other VideoPreview which is in full screen mode. If yes then bring it to normal mode.
this.AssetsList.GetChildControls <VideoPreview>().
Where(x => x.IsFullScreen && x != preview).ToList().
ForEach(y =>
{
y.Scale(this.currentAssetSize);
y.IsFullScreen = false;
});
if (preview.IsFullScreen)
{
preview.Scale(this.GetAssetFullScreenSize);
}
else
{
preview.Scale(this.currentAssetSize);
preview.IsFullScreen = false;
}
// Update the layout so that the row heigts of the element can be calulated.
this.AssetsList.UpdateLayout();
// Set the offset of the scrollbar.
this.SetScrollerOffset(preview.Asset);
}
}
/// <summary>
/// Scales all the assest previews of the view according to the current scale value.
/// </summary>
private void UpdateZoom()
{
if (this.ZoomSlider != null)
{
IList <AssetPreview> previews = this.AssetsList.GetChildControls <AssetPreview>();
foreach (AssetPreview preview in previews)
{
VideoPreview videoPreview = preview as VideoPreview;
if (videoPreview != null && videoPreview.IsFullScreen)
{
if (this.lstSizeChanging)
{
preview.Scale(this.GetAssetFullScreenSize);
}
else
{
videoPreview.IsFullScreen = false;
preview.Scale(this.currentAssetSize);
}
}
else
{
preview.Scale(this.currentAssetSize);
}
}
}
}
/// <summary>
/// Change the preview image of the asset as asset is changed.
/// </summary>
/// <param name="d">The <see cref="DependencyObject"/>.</param>
/// <param name="e">The <see cref="System.Windows.DependencyPropertyChangedEventArgs"/> instance containing the event data.</param>
private static void AssetChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
VideoPreview preview = d as VideoPreview;
if (preview != null && preview.thumbnailService != null)
{
Uri frameUri = new Uri(preview.thumbnailService.GetThumbnailSource(preview.Asset), UriKind.RelativeOrAbsolute);
preview.FramePreviewImage.Source = new BitmapImage(frameUri);
}
}