//Check if there are images and the preview image is included
private void CheckTextBlockForPreviewImage(DependencyObject SearchElement, string ItemImageLink, ref int ItemImagecount, ref bool FoundPreviewImage)
{
try
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(SearchElement); i++)
{
try
{
DependencyObject child = VisualTreeHelper.GetChild(SearchElement, i);
if (child.GetType() == typeof(grid_item_image))
{
ItemImagecount++;
grid_item_image frameworkElement = child as grid_item_image;
BitmapImage bitmapSource = frameworkElement.item_source.Source as BitmapImage;
string CompareBitmapLink = Regex.Replace(bitmapSource.UriSource.ToString(), @"^(?:http(?:s)?://)?(?:www(?:[0-9]+)?\.)?", string.Empty, RegexOptions.IgnoreCase).ToLower();
string CompareItemImageLink = Regex.Replace(ItemImageLink, @"^(?:http(?:s)?://)?(?:www(?:[0-9]+)?\.)?", string.Empty, RegexOptions.IgnoreCase).ToLower();
//Debug.WriteLine("Comparing image: " + CompareBitmapLink + " vs " + CompareItemImageLink);
if (CompareBitmapLink == CompareItemImageLink)
{
FoundPreviewImage = true;
break;
}
}
else
{
//Debug.WriteLine("No image, checking if there is a sub image.");
CheckTextBlockForPreviewImage(child, ItemImageLink, ref ItemImagecount, ref FoundPreviewImage);
}
}
catch { }
}
}
catch { }
}
private void GenerateWebview(Span addSpan, HtmlNode htmlNode)
{
try
{
//Check if webview limit reached
if (vWebViewAdded == vWebViewLimit)
{
grid_item_webview webView = new grid_item_webview();
webView.item_status.Text = "Webview not loaded,\nlimit has been reached.";
InlineUIContainer iui = new InlineUIContainer();
iui.Child = webView;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
return;
}
//Check if media loading is allowed
if (!AppVariables.LoadMedia)
{
grid_item_webview webView = new grid_item_webview();
webView.item_status.Text = "Webview not loaded,\nnetwork is not available.";
InlineUIContainer iui = new InlineUIContainer();
iui.Child = webView;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
return;
}
//Check if device is low on memory
if (AVFunctions.DevMemoryAvailableMB() < 200)
{
grid_item_webview webView = new grid_item_webview();
webView.item_status.Text = "Webview not loaded,\ndevice is low on memory.";
InlineUIContainer iui = new InlineUIContainer();
iui.Child = webView;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
return;
}
//Check if low bandwidth mode is enabled
if ((bool)AppVariables.ApplicationSettings["LowBandwidthMode"])
{
grid_item_image img = new grid_item_image();
img.item_status.Text = "Webview not loaded,\nlow bandwidth mode.";
img.IsHitTestVisible = false;
InlineUIContainer iui = new InlineUIContainer();
iui.Child = img;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
return;
}
//Create item webview
string WebLink = htmlNode.Attributes["src"].Value;
if (!string.IsNullOrWhiteSpace(WebLink))
{
Debug.WriteLine("Opening webview: " + WebLink);
grid_item_webview webView = new grid_item_webview();
webView.item_source.Source = new Uri(WebLink);
webView.item_source.ContainsFullScreenElementChanged += webview_Full_ContainsFullScreenElementChanged;
webView.item_source.NewWindowRequested += webview_Full_NewWindowRequested;
InlineUIContainer iui = new InlineUIContainer();
iui.Child = webView;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
//Update the webview count
vWebViewAdded++;
}
}
catch { }
}
private async Task GenerateImage(Span addSpan, HtmlNode htmlNode)
{
try
{
//Decode the image source link
string sourceUri = string.Empty;
if (htmlNode.Attributes["src"] != null)
{
sourceUri = WebUtility.HtmlDecode(htmlNode.Attributes["src"].Value);
sourceUri = WebUtility.UrlDecode(sourceUri);
}
else if (htmlNode.Attributes["srcset"] != null)
{
sourceUri = WebUtility.HtmlDecode(htmlNode.Attributes["srcset"].Value);
sourceUri = WebUtility.UrlDecode(sourceUri);
}
//Split an image srcset link
Regex RegexSourceset = new Regex(@"(?:\s+\d+[wx])(?:,\s+)?");
IEnumerable <string> ImageSources = RegexSourceset.Split(sourceUri).Where(x => x != string.Empty);
if (ImageSources.Any())
{
sourceUri = ImageSources.LastOrDefault();
}
//Split http(s):// tags from uri
if (sourceUri.Contains("https://") && sourceUri.LastIndexOf("https://") <= 20)
{
sourceUri = sourceUri.Substring(sourceUri.LastIndexOf("https://"));
}
if (sourceUri.Contains("http://") && sourceUri.LastIndexOf("http://") <= 20)
{
sourceUri = sourceUri.Substring(sourceUri.LastIndexOf("http://"));
}
//Check if image needs to be blocked
if (string.IsNullOrWhiteSpace(sourceUri) || AppVariables.BlockedListUrl.Any(sourceUri.ToLower().Contains))
{
Debug.WriteLine("Blocked image: " + sourceUri);
return;
}
//Check if device is low on memory
if (AVFunctions.DevMemoryAvailableMB() < 100)
{
grid_item_image img = new grid_item_image();
img.item_status.Text = "Image not loaded,\ndevice is low on memory.";
img.IsHitTestVisible = false;
InlineUIContainer iui = new InlineUIContainer();
iui.Child = img;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
return;
}
//Check if media is a gif(v) file
bool ImageIsGif = sourceUri.ToLower().Contains(".gif");
bool ImageIsSvg = sourceUri.ToLower().Contains(".svg");
//Check if low bandwidth mode is enabled
if (ImageIsGif && (bool)AppVariables.ApplicationSettings["LowBandwidthMode"])
{
grid_item_image img = new grid_item_image();
img.item_status.Text = "Gif not loaded,\nlow bandwidth mode.";
img.IsHitTestVisible = false;
InlineUIContainer iui = new InlineUIContainer();
iui.Child = img;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
return;
}
//Create item image
Debug.WriteLine("Adding image: " + sourceUri);
SvgImageSource SvgImage = null;
BitmapImage BitmapImage = null;
if (ImageIsSvg)
{
SvgImage = await AVImage.LoadSvgImage(sourceUri);
}
else
{
BitmapImage = await AVImage.LoadBitmapImage(sourceUri, true);
}
if (SvgImage != null || BitmapImage != null)
{
grid_item_image img = new grid_item_image();
img.MaxHeight = AppVariables.MaximumItemImageHeight;
if (SvgImage != null)
{
img.item_source.Source = SvgImage;
}
if (BitmapImage != null)
{
img.value_item_image = BitmapImage;
}
//Get and set alt from the image
if (vImageShowAlt && htmlNode.Attributes["alt"] != null)
{
string AltText = Process.ProcessItemTextSummary(htmlNode.Attributes["alt"].Value, false, false);
if (!string.IsNullOrWhiteSpace(AltText))
{
img.item_description.Text = AltText;
img.item_description.Visibility = Visibility.Visible;
//Enable or disable text selection
if ((bool)AppVariables.ApplicationSettings["ItemTextSelection"])
{
img.item_description.IsTextSelectionEnabled = true;
}
else
{
img.item_description.IsTextSelectionEnabled = false;
}
}
}
InlineUIContainer iui = new InlineUIContainer();
iui.Child = img;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
}
else
{
grid_item_image img = new grid_item_image();
img.item_status.Text = "Image is not available,\nopen item in browser to view it.";
img.IsHitTestVisible = false;
InlineUIContainer iui = new InlineUIContainer();
iui.Child = img;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
return;
}
}
catch { }
}
private void GenerateVideo(Span addSpan, HtmlNode htmlNode)
{
try
{
//Check if media loading is allowed
if (!AppVariables.LoadMedia)
{
grid_item_video video = new grid_item_video();
video.item_status.Text = "Video not loaded,\nnetwork is not available.";
InlineUIContainer iui = new InlineUIContainer();
iui.Child = video;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
return;
}
//Check if device is low on memory
if (AVFunctions.DevMemoryAvailableMB() < 200)
{
grid_item_video video = new grid_item_video();
video.item_status.Text = "Video not loaded,\ndevice is low on memory.";
InlineUIContainer iui = new InlineUIContainer();
iui.Child = video;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
return;
}
//Check if low bandwidth mode is enabled
if ((bool)AppVariables.ApplicationSettings["LowBandwidthMode"])
{
grid_item_image img = new grid_item_image();
img.item_status.Text = "Video not loaded,\nlow bandwidth mode.";
img.IsHitTestVisible = false;
InlineUIContainer iui = new InlineUIContainer();
iui.Child = img;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
return;
}
//Create item video
string VideoString = htmlNode.Attributes["src"].Value;
if (!string.IsNullOrWhiteSpace(VideoString))
{
Debug.WriteLine("Opening video: " + VideoString);
grid_item_video video = new grid_item_video();
video.item_source.Source = new Uri(VideoString);
//Check if media is a gif(v) file
if (VideoString.ToLower().Contains(".gif"))
{
video.item_source.AutoPlay = true;
video.item_source.MediaEnded += delegate
{
video.item_source.Position = new TimeSpan();
video.item_source.Play();
};
}
else
{
video.item_source.AutoPlay = false;
}
InlineUIContainer iui = new InlineUIContainer();
iui.Child = video;
addSpan.Inlines.Add(iui);
//addSpan.Inlines.Add(new LineBreak());
}
}
catch { }
}
