/// <summary>
/// 文件大小改变时,赋值到TextBlock
/// </summary>
/// <param name="d"></param>
/// <param name="e"></param>
private static void OnFileSizeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
AsyncVideoControl imageControl = (AsyncVideoControl)d;
if (e.NewValue != null)
{
imageControl.BorderFileSize.Visibility = Visibility.Visible;
imageControl.txtFilesize.Text = (string)e.NewValue;
}
else
{
imageControl.BorderFileSize.Visibility = Visibility.Collapsed;
}
}
/// <summary>
/// 消息改变时
/// </summary>
/// <param name="d">母控件</param>
/// <param name="e">更改相关值</param>
private static void OnBubbleMsgChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
AsyncVideoControl imagecontrol = (AsyncVideoControl)d;
if (e.NewValue != null)
{
#region Download Image File
string uri = (string)e.NewValue;
if (uri.Contains("http"))//if it's Web url
{
//get info about the path
string localpath = Applicate.LocalConfigData.ChatDownloadPath;
ChatBubbleItemModel msg = imagecontrol.Tag as ChatBubbleItemModel;
if (msg.fileName == null)
{
return;
}
string filename = msg.fileName.Substring(
msg.fileName.LastIndexOf('/') + 1,
msg.fileName.Length - msg.fileName.LastIndexOf('/') - 1
);
var localfile = localpath + filename;
if (File.Exists(localfile))//if file exists, fill the image of the border
{
var imguri = new Uri(localfile);
BitmapImage mapImage = ImageUtil.ConvertBitmapToBitmapImage(WindowsThumbnailProvider.GetThumbnail(localfile, 256, 256, ThumbnailOptions.None));
imagecontrol.Imgborder.Background = new ImageBrush(mapImage);
imagecontrol.transitioner.SelectedIndex = 1;
}
else//if not exists
{
try
{
WebClient web = new WebClient();
//when the progress changed , set the value of the progressbar
web.DownloadProgressChanged += (s, ev) =>
{
imagecontrol.ImageProgress.Value = ev.ProgressPercentage;
};
//When download completed, fill the image of the border
web.DownloadFileCompleted += (s, ev) =>
{
if (ev.Error == null)
{
BitmapImage mapImage = ImageUtil.ConvertBitmapToBitmapImage(WindowsThumbnailProvider.GetThumbnail(localfile, 256, 256, ThumbnailOptions.None));
imagecontrol.Imgborder.Background = new ImageBrush(mapImage);
imagecontrol.transitioner.SelectedIndex = 1;
//Set Border Background(Not for now)
//var imguri = new Uri(localfile);
//imagecontrol.Imgborder.Background = new ImageBrush(new BitmapImage(imguri));
web.Dispose();// Dispose the WebClient
}
else
{
ConsoleLog.Output("视频下载失败");
}
};
//Start download image async
web.DownloadFileAsync(new Uri(uri), localfile);
}
catch (Exception ex)
{
ConsoleLog.Output("Download Aaudio Error:;;", ex);
}
#endregion
}
}
else//if it's local path
{
if (File.Exists(uri))
{
BitmapImage mapImage = ImageUtil.ConvertBitmapToBitmapImage(WindowsThumbnailProvider.GetThumbnail(uri, 256, 256, ThumbnailOptions.None));
imagecontrol.Imgborder.Background = new ImageBrush(mapImage);
imagecontrol.transitioner.SelectedIndex = 1;
}
}
}
else
{
return;
}
}