protected override void AddAttachment(IMessageAttachment messageAttachment)
{
UIElement attachmentElement;
AttachmentModel attachmentModel = new AttachmentModel(_fileSystem, messageAttachment);
switch (messageAttachment.Type)
{
case AttachmentType.Image:
attachmentElement = new AttachmentImage(attachmentModel);
break;
case AttachmentType.Video:
attachmentElement = new AttachmentVideo(attachmentModel);
break;
case AttachmentType.Audio:
attachmentElement = new AttachmentAudio(attachmentModel);
break;
default:
throw new ArgumentException("Unrecognized attachment type: " + messageAttachment.Type.ToString());
}
_currentParagraph.Inlines.Add(attachmentElement);
}
public async Task <string> ThumbnailToBase64Async(AttachmentImage image)
{
#if __ANDROID__
var imageBytes = new byte[image.Stream.Length];
image.Stream.Position = 0;
image.Stream.Read(imageBytes, 0, (int)image.Stream.Length);
var thumbnailBytes = GetThumbnailBytes(imageBytes, 200, 200);
#endif
#if WINDOWS_UWP
StorageFolder folder = ApplicationData.Current.TemporaryFolder;
var file = await folder.CreateFileAsync(Guid.NewGuid().ToString());
var stream = await file.OpenStreamForWriteAsync();
await image.Stream.CopyToAsync(stream);
var thumb = await file.GetThumbnailAsync(Windows.Storage.FileProperties.ThumbnailMode.PicturesView);
var thumbnailBytes = new byte[thumb.Size];
thumb.AsStream().Read(thumbnailBytes, 0, (int)thumb.Size);
#endif
#if __IOS__
var imageBytes = new byte[image.Stream.Length];
image.Stream.Position = 0;
image.Stream.Read(imageBytes, 0, (int)image.Stream.Length);
var thumbnailBytes = GetThumbnailBytes(imageBytes, 200, 200);
#endif
return(Convert.ToBase64String(thumbnailBytes));
}
public AttachmentImage ThumbnailFromBase64(string serialisedThumbnail)
{
var bytes = Convert.FromBase64String(serialisedThumbnail);
AttachmentImage image = new AttachmentImage(new MemoryStream(bytes));
return(image);
}
public async Task <bool> SetProfilAsync(Profil profil, AttachmentImage image = null)
{
await InitWriteConnectionAsync();
profil.AnbieterID = _loginService.AnbieterId;
if (image != null)
{
profil.ProfilbildBase64 = await _thumbnailHelper.ThumbnailToBase64Async(image);
}
profil.AktualisiertAm = DateTime.Now;
var profilJSON = Newtonsoft.Json.JsonConvert.SerializeObject(profil);
var profilJSONbytes = Encoding.UTF8.GetBytes(profilJSON);
string key = "Profile/" + profil.AnbieterID + "/Profil.json";
var customMeta = new CustomMetadata();
customMeta.Entries.Add(new CustomMetadataEntry()
{
Key = PROFIL_VERSION_VOM, Value = DateTime.Now.ToString()
});
var profilUpload = await _writeConnection.ObjectService.UploadObjectAsync(_writeConnection.Bucket, key, new UploadOptions(), profilJSONbytes, customMeta, false);
await profilUpload.StartUploadAsync();
Barrel.Current.Empty("profil_" + profil.AnbieterID);
return(profilUpload.Completed);
}
public AttachmentImageViewModel(AttachmentImage attachmentImage)
{
AttachmentImage = attachmentImage;
RahmenBrush = new SolidColorBrush(Colors.RoyalBlue);
KannNachVorne = Visibility.Collapsed;
KannNachHinten = Visibility.Collapsed;
IstSelektiert = Visibility.Collapsed;
}
void ReleaseDesignerOutlets()
{
if (AttachmentContainer != null)
{
AttachmentContainer.Dispose();
AttachmentContainer = null;
}
if (AttachmentImage != null)
{
AttachmentImage.Dispose();
AttachmentImage = null;
}
if (BottomConstraint != null)
{
BottomConstraint.Dispose();
BottomConstraint = null;
}
if (DeleteButton != null)
{
DeleteButton.Dispose();
DeleteButton = null;
}
if (EditContainer != null)
{
EditContainer.Dispose();
EditContainer = null;
}
if (EditingBodyLabel != null)
{
EditingBodyLabel.Dispose();
EditingBodyLabel = null;
}
if (EditingCloseButton != null)
{
EditingCloseButton.Dispose();
EditingCloseButton = null;
}
if (EditingTitleLabel != null)
{
EditingTitleLabel.Dispose();
EditingTitleLabel = null;
}
if (ImageLoader != null)
{
ImageLoader.Dispose();
ImageLoader = null;
}
if (OpenCameraButton != null)
{
OpenCameraButton.Dispose();
OpenCameraButton = null;
}
if (OpenGalleryButton != null)
{
OpenGalleryButton.Dispose();
OpenGalleryButton = null;
}
if (PlaceholderLabel != null)
{
PlaceholderLabel.Dispose();
PlaceholderLabel = null;
}
if (SendButton != null)
{
SendButton.Dispose();
SendButton = null;
}
if (TextMaxHeightConstraint != null)
{
TextMaxHeightConstraint.Dispose();
TextMaxHeightConstraint = null;
}
if (TextView != null)
{
TextView.Dispose();
TextView = null;
}
}
