private static void item_image_Changed(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs args)
{
try
{
ImageContainer sender = dependencyObject as ImageContainer;
if (sender != null)
{
sender.item_image_Update(args);
}
}
catch { }
}
private static async void image_linkChanged(BindableObject bindableObject, object oldValue, object newValue)
{
try
{
ImageContainer sender = bindableObject as ImageContainer;
if (sender != null)
{
await sender.SetImageLink(newValue.ToString());
}
}
catch { }
}
//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(ImageContainer))
{
ItemImagecount++;
ImageContainer frameworkElement = child as ImageContainer;
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();
//System.Diagnostics.Debug.WriteLine("Comparing image: " + CompareBitmapLink + " vs " + CompareItemImageLink);
if (CompareBitmapLink == CompareItemImageLink)
{
FoundPreviewImage = true;
break;
}
}
else
{
//System.Diagnostics.Debug.WriteLine("No image, checking if there is a sub image.");
CheckTextBlockForPreviewImage(child, ItemImageLink, ref ItemImagecount, ref FoundPreviewImage);
}
}
catch { }
}
}
catch { }
}
private async Task GenerateImage(StackPanel addElement, 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))
{
System.Diagnostics.Debug.WriteLine("Blocked image: " + sourceUri);
return;
}
//Check if device is low on memory
if (AVFunctions.DevMemoryAvailableMB() < 100)
{
ImageContainer imgLowMemory = new ImageContainer();
imgLowMemory.item_status.Text = "Image not loaded,\ndevice is low on memory.";
imgLowMemory.IsHitTestVisible = false;
addElement.Children.Add(imgLowMemory);
//GenerateBreak(addElement);
return;
}
//Create item image
System.Diagnostics.Debug.WriteLine("Adding image: " + sourceUri);
ImageContainer imgContainer = new ImageContainer();
imgContainer.MaxHeight = AppVariables.DefaultMediaHeight;
imgContainer.item_image_Value = sourceUri;
//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))
{
imgContainer.item_description.Text = AltText;
imgContainer.item_description.Visibility = Visibility.Visible;
}
}
addElement.Children.Add(imgContainer);
//GenerateBreak(addElement);
}
catch { }
}
private void GenerateImage(StackLayout addElement, 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;
}
//fix
////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.IsEnabled = false;
// InlineUIContainer iui = new InlineUIContainer();
// iui.Child = img;
// addElement.Children.Add(iui);
// //GenerateBreak(addElement);
// 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)AppSettingLoad("LowBandwidthMode"))
{
Label img_lowbandwidth = new Label();
img_lowbandwidth.Text = "Gif not loaded,\nlow bandwidth mode.";
img_lowbandwidth.SetDynamicResource(Label.StyleProperty, "LabelDark");
img_lowbandwidth.SetDynamicResource(Label.FontSizeProperty, "TextSizeMedium");
addElement.Children.Add(img_lowbandwidth);
return;
}
//Create item container
ImageContainer imageContainer = new ImageContainer();
imageContainer.image_link = sourceUri;
//Get and set alt from the image
if (vImageShowAlt && htmlNode.Attributes["alt"] != null)
{
string imageAltText = Process.ProcessItemTextSummary(htmlNode.Attributes["alt"].Value, false, false);
if (!string.IsNullOrWhiteSpace(imageAltText))
{
imageContainer.item_description.Text = imageAltText;
imageContainer.item_description.IsVisible = true;
//Fix
////Enable or disable text selection
//if ((bool)AppSettingLoad("ItemTextSelection"])
//{
// img.item_description.IsTextSelectionEnabled = true;
//}
//else
//{
// img.item_description.IsTextSelectionEnabled = false;
//}
}
}
addElement.Children.Add(imageContainer);
Debug.WriteLine("Added image: " + sourceUri);
//GenerateBreak(addElement);
}
catch
{
Label img_failed = new Label();
img_failed.Text = "Image is not available,\nopen item in browser to view it.";
img_failed.SetDynamicResource(Label.StyleProperty, "LabelDark");
img_failed.SetDynamicResource(Label.FontSizeProperty, "TextSizeMedium");
addElement.Children.Add(img_failed);
//GenerateBreak(addElement);
return;
}
}
private async Task GenerateImage(StackPanel addElement, 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))
{
System.Diagnostics.Debug.WriteLine("Blocked image: " + sourceUri);
return;
}
//Check if device is low on memory
if (AVFunctions.DevMemoryAvailableMB() < 100)
{
ImageContainer img = new ImageContainer();
img.item_status.Text = "Image not loaded,\ndevice is low on memory.";
img.IsHitTestVisible = false;
addElement.Children.Add(img);
//GenerateBreak(addElement);
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"])
{
ImageContainer img = new ImageContainer();
img.item_status.Text = "Gif not loaded,\nlow bandwidth mode.";
img.IsHitTestVisible = false;
addElement.Children.Add(img);
//GenerateBreak(addElement);
return;
}
//Create item image
//Fix move image downloading to imagecontainer
System.Diagnostics.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)
{
ImageContainer img = new ImageContainer();
img.MaxHeight = AppVariables.MaximumItemImageHeight;
if (SvgImage != null)
{
img.item_source.Source = SvgImage;
}
if (BitmapImage != null)
{
img.item_source.Source = 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;
}
}
addElement.Children.Add(img);
//GenerateBreak(addElement);
}
else
{
ImageContainer img = new ImageContainer();
img.item_status.Text = "Image is not available,\nopen item in browser to view it.";
img.IsHitTestVisible = false;
addElement.Children.Add(img);
//GenerateBreak(addElement);
return;
}
}
catch { }
}
