private ObservableCollection <AttachmentViewModel> _GetAttachmentsViewModel(Message message)
{
Debug.Assert(message != null);
var items = new ObservableCollection <AttachmentViewModel>();
try
{
if (message.GeoLocation != null)
{
//NumberFormatInfo provider = new NumberFormatInfo();provider.
string uri = String.Format(AppResources.GeolocationMapUriFormatMessage,
message.GeoLocation.Latitude.ToString("0.00", CultureInfo.InvariantCulture),
message.GeoLocation.Longitude.ToString("0.00", CultureInfo.InvariantCulture));
var avm = new AttachmentViewModel(message.Mid, -1, -1, AttachmentType.Location, uri, AppResources.LocContentLabel, _defaultAvatar, null, null);
// Try to load image from cache.
string filename = CommonHelper.DoDigest(avm.Uri);
BitmapImage image = _imageCache.GetItem(filename);
if (image != null)
{
avm.AttachPhoto = image;
}
else // ...if it doesn't exists - load from web.
{
_photosToLoad.Add(avm, new AvatarLoadItem(_photosToLoad.Count, uri, filename));
}
items.Add(avm);
}
if (message.FwdMessages != null && message.FwdMessages.Any())
{
items.Add(new AttachmentViewModel(message.Mid, -1, -1, AttachmentType.ForwardMessage, null, "", null, _GetMessagesViewModel(message.FwdMessages), null));
}
if (message.Attachments != null)
{
foreach (var attach in message.Attachments)
{
AttachmentViewModel avm = null;
if (attach.DocAttachment != null) // Todo. Use special document photo here?
{
items.Add(new AttachmentViewModel(message.Mid, attach.DocAttachment.OwnerId, attach.DocAttachment.Did, AttachmentType.Document,
attach.DocAttachment.Url, AppResources.DocumentContentLabel, _defaultAvatar, null, null));
}
else if (attach.VideoAttachment != null)
{
avm = new AttachmentViewModel(message.Mid, attach.VideoAttachment.OwnerId, attach.VideoAttachment.Vid, AttachmentType.Video,
attach.VideoAttachment.Image, AppResources.VideoContentLabel, _defaultAvatar, null, null, attach.VideoAttachment.Title,
string.Empty, attach.VideoAttachment.Duration);
}
else if (attach.AudioAttachment != null)
{
avm = new AttachmentViewModel(message.Mid, attach.AudioAttachment.OwnerId, attach.AudioAttachment.Aid, AttachmentType.Audio,
attach.AudioAttachment.Url, AppResources.AudioContentLabel, null, null, null, attach.AudioAttachment.Title,
attach.AudioAttachment.Author, attach.AudioAttachment.Duration);
}
else if (attach.PhotoAttachment != null)
{
avm = new AttachmentViewModel(message.Mid, attach.PhotoAttachment.OwnerId, attach.PhotoAttachment.Pid, AttachmentType.Photo,
attach.PhotoAttachment.SourceBig, AppResources.PhotoContentLabel, _defaultAvatar, null, null);
}
else
{
Debug.Assert(false);
}
if (avm != null)
{
if (avm.Type != AttachmentType.Audio)
{
// Try to load image from cache.
string filename = CommonHelper.DoDigest(avm.Uri);
BitmapImage image = _imageCache.GetItem(filename);
if (image != null)
{
avm.AttachPhoto = image;
}
else // ...if it doesn't exists - load from web.
{
_photosToLoad.Add(avm, new AvatarLoadItem(_photosToLoad.Count, avm.Uri, filename));
}
}
// Add to current items
items.Add(avm);
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine("_GetAttachmentsViewModel failed: " + ex.Message);
}
return(items);
}
private void PlayAudio_Tap(object sender, EventArgs e)
{
Button cur = sender as Button;
if (cur != null)
{
AttachmentViewModel currentTrack = cur.DataContext as AttachmentViewModel;
if (currentTrack != null)
{
if (AudioPlayer.CurrentState == MediaElementState.Playing)
{
AudioPlayer.Stop();
if (_currentTrack.Mid == currentTrack.Mid)
{
Image content = cur.Content as Image;
if (null != content)
content.Source = ResourceHelper.GetBitmap(@"/SlXnaApp1;component/Images/Play.png");
_currentPlayButton = null;
_currentTrack = null;
}
else // Handle the case when user don't stop current audio, but start another one...
{
Image content = cur.Content as Image;
if (null != content)
content.Source = ResourceHelper.GetBitmap(@"/SlXnaApp1;component/Images/Pause.png");
Image contentOld = _currentPlayButton.Content as Image;
if (null != content)
contentOld.Source = ResourceHelper.GetBitmap(@"/SlXnaApp1;component/Images/Play.png");
_currentTrack = currentTrack;
AudioPlayer.Source = new Uri(_currentTrack.Uri, UriKind.Absolute);
//_currentTrack.Progress = 0;
AudioPlayer.Play();
_currentPlayButton = cur;
}
}
else
{
Image content = cur.Content as Image;
if (null != content)
content.Source = ResourceHelper.GetBitmap(@"/SlXnaApp1;component/Images/Pause.png");
_currentTrack = currentTrack;
AudioPlayer.Source = new Uri(_currentTrack.Uri, UriKind.Absolute);
//_currentTrack.Progress = 0;
AudioPlayer.Play();
_currentPlayButton = cur;
}
}
}
}
private ObservableCollection<AttachmentViewModel> _GetAttachmentsViewModel(Message message)
{
Debug.Assert(message != null);
var items = new ObservableCollection<AttachmentViewModel>();
try
{
if (message.GeoLocation != null)
{
//NumberFormatInfo provider = new NumberFormatInfo();provider.
string uri = String.Format(AppResources.GeolocationMapUriFormatMessage,
message.GeoLocation.Latitude.ToString("0.00", CultureInfo.InvariantCulture),
message.GeoLocation.Longitude.ToString("0.00", CultureInfo.InvariantCulture));
var avm = new AttachmentViewModel(message.Mid, -1, -1, AttachmentType.Location, uri, AppResources.LocContentLabel, _defaultAvatar, null, null);
// Try to load image from cache.
string filename = CommonHelper.DoDigest(avm.Uri);
BitmapImage image = _imageCache.GetItem(filename);
if (image != null)
avm.AttachPhoto = image;
else // ...if it doesn't exists - load from web.
_photosToLoad.Add(avm, new AvatarLoadItem(_photosToLoad.Count, uri, filename));
items.Add(avm);
}
if (message.FwdMessages != null && message.FwdMessages.Any())
items.Add(new AttachmentViewModel(message.Mid, -1, -1, AttachmentType.ForwardMessage, null, "", null, _GetMessagesViewModel(message.FwdMessages), null));
if (message.Attachments != null)
{
foreach (var attach in message.Attachments)
{
AttachmentViewModel avm = null;
if (attach.DocAttachment != null) // Todo. Use special document photo here?
{
items.Add(new AttachmentViewModel(message.Mid, attach.DocAttachment.OwnerId, attach.DocAttachment.Did, AttachmentType.Document,
attach.DocAttachment.Url, AppResources.DocumentContentLabel, _defaultAvatar, null, null));
}
else if (attach.VideoAttachment != null)
{
avm = new AttachmentViewModel(message.Mid, attach.VideoAttachment.OwnerId, attach.VideoAttachment.Vid, AttachmentType.Video,
attach.VideoAttachment.Image, AppResources.VideoContentLabel, _defaultAvatar, null, null, attach.VideoAttachment.Title,
string.Empty, attach.VideoAttachment.Duration);
}
else if (attach.AudioAttachment != null)
{
avm = new AttachmentViewModel(message.Mid, attach.AudioAttachment.OwnerId, attach.AudioAttachment.Aid, AttachmentType.Audio,
attach.AudioAttachment.Url, AppResources.AudioContentLabel, null, null, null, attach.AudioAttachment.Title,
attach.AudioAttachment.Author, attach.AudioAttachment.Duration);
}
else if (attach.PhotoAttachment != null)
{
avm = new AttachmentViewModel(message.Mid, attach.PhotoAttachment.OwnerId, attach.PhotoAttachment.Pid, AttachmentType.Photo,
attach.PhotoAttachment.SourceBig, AppResources.PhotoContentLabel, _defaultAvatar, null, null);
}
else
Debug.Assert(false);
if (avm != null)
{
if (avm.Type != AttachmentType.Audio)
{
// Try to load image from cache.
string filename = CommonHelper.DoDigest(avm.Uri);
BitmapImage image = _imageCache.GetItem(filename);
if (image != null)
avm.AttachPhoto = image;
else // ...if it doesn't exists - load from web.
_photosToLoad.Add(avm, new AvatarLoadItem(_photosToLoad.Count, avm.Uri, filename));
}
// Add to current items
items.Add(avm);
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine("_GetAttachmentsViewModel failed: " + ex.Message);
}
return items;
}
private void Messages_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (AudioPlayer.CurrentState == MediaElementState.Playing)
{
AudioPlayer.Stop();
_currentTrack = null;
}
if (!App.Current.EntityService.IsLoadingMessagesHistory)
_ScrollIntoView();
}
private bool _AddLocationAttachment()
{
if (!string.IsNullOrEmpty(App.Current.EntityService.AttachedLatitude) &&
!string.IsNullOrEmpty(App.Current.EntityService.AttachedLongitude))
{
try
{
string uri = String.Format(AppResources.GeolocationMapUriFormatMessage,
App.Current.EntityService.AttachedLatitude.Replace(",", "."),
App.Current.EntityService.AttachedLongitude.Replace(",", "."));
var avm = new AttachmentViewModel(-1, -1, -1, AttachmentType.Location, uri, null, null, null, null);
_model.Add(avm);
string filename = CommonHelper.DoDigest(uri);
var photosToLoad = new List<AvatarLoadItem>();
photosToLoad.Add(new AvatarLoadItem(1, uri, filename));
var service = new AsyncAvatarsLoader();
if (photosToLoad.Any())
service.LoadAvatars(photosToLoad.ToList(), id =>
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
try
{
ImageCache cache = new ImageCache();
BitmapImage image = cache.GetItem(filename);
if (image != null && image.PixelHeight > 0 && image.PixelWidth > 0)
{
avm.AttachPhoto = image;
}
}
catch (Exception ex)
{
Debug.WriteLine("_AddLocationAttachment failed in AttachmentsPage: " + ex.Message);
}
});
}, null);
}
catch (Exception ex)
{
Debug.WriteLine("Load attached location photo failed " + ex.Message);
}
return true;
}
return false;
}
