public void StartQuery(string uri, string albumTitle)
{
UserState us = new UserState();
this.states.Add(us);
us.opType = UserState.OperationType.query;
us.filename = albumTitle;
this.picasaService.QueryFeedAync(new Uri(uri), DateTime.MinValue, us);
}
private void CreateAnotherSaveFile(UserState us)
{
if (us.feed.Entries.Count > 0)
{
PicasaEntry p = us.feed.Entries[0] as PicasaEntry;
us.filename = us.foldername + "\\image" + us.counter.ToString() + ".jpg";
this.picasaService.QueryStreamAync(new Uri(p.Media.Content.Attributes["url"] as string), DateTime.MinValue, us);
}
else if (us.feed.Entries.Count == 0 && us.feed.NextChunk != null)
{
}
else
{
this.Close();
}
}
private void OnDone(object sender, AsyncOperationCompletedEventArgs e)
{
UserState ut = e.UserState as UserState;
if (this.states.Contains(ut) == false)
return;
this.states.Remove(ut);
if (e.Error == null && e.Cancelled == false)
{
if (ut.opType == UserState.OperationType.query ||
ut.opType == UserState.OperationType.queryForBackup)
{
if (e.Feed != null)
{
this.photoFeed = e.Feed as PicasaFeed;
this.InitializeList(ut.filename);
}
}
if (ut.opType == UserState.OperationType.upload)
{
if (e.Entry != null)
{
ListViewItem item = new ListViewItem(e.Entry.Title.Text);
item.Tag = e.Entry;
this.PhotoList.Items.Add(item);
this.FileInfo.Text = "Upload succeeded";
}
}
if (ut.opType == UserState.OperationType.download ||
ut.opType == UserState.OperationType.downloadList)
{
if (e.ResponseStream != null)
{
WriteFile(ut.filename, e.ResponseStream);
this.FileInfo.Text = "Saved file: " + ut.filename;
}
}
if (ut.opType == UserState.OperationType.downloadList)
{
// we need to create a new object for uniqueness
UserState u = new UserState();
u.counter = ut.counter + 1;
u.feed = ut.feed;
u.foldername = ut.foldername;
u.opType = UserState.OperationType.downloadList;
if (u.feed.Entries.Count > 0)
{
u.feed.Entries.RemoveAt(0);
this.PhotoList.Items.RemoveAt(0);
}
this.states.Add(u);
SaveAnotherPictureDelegate d = new SaveAnotherPictureDelegate(this.CreateAnotherSaveFile);
this.BeginInvoke(d, u);
}
if (ut.opType == UserState.OperationType.queryForBackup)
{
UserState u = new UserState();
u.opType = UserState.OperationType.downloadList;
u.feed = this.photoFeed;
u.counter = 1;
u.foldername = ut.foldername;
u.filename = ut.foldername + "\\image1.jpg";
this.states.Add(u);
SaveAnotherPictureDelegate d = new SaveAnotherPictureDelegate(this.CreateAnotherSaveFile);
this.BeginInvoke(d, u);
}
}
this.progressBar.Value = 0;
if (this.states.Count == 0)
{
this.CancelAsync.Enabled = false;
this.CancelAsync.Visible = false;
}
}
private void UploadPhoto_Click(object sender, System.EventArgs e)
{
DialogResult result = openFileDialog.ShowDialog();
if( result == DialogResult.OK )
{
string[] files = openFileDialog.FileNames;
// Open each file and display the image in PictureBox1.
// Call Application.DoEvents to force a repaint after each
// file is read.
foreach (string file in files )
{
System.IO.FileInfo fileInfo = new System.IO.FileInfo(file);
System.IO.FileStream fileStream = fileInfo.OpenRead();
this.FileInfo.Text = "Starting upload....";
PicasaEntry entry = new PhotoEntry();
UserState ut = new UserState();
ut.opType = UserState.OperationType.upload;
this.states.Add(ut);
entry.MediaSource = new Google.GData.Client.MediaFileSource(fileStream, file, "image/jpeg");
this.picasaService.InsertAsync(new Uri(this.photoFeed.Post), entry, ut);
}
}
}
public void DoSaveImageFile(PicasaEntry entry, string filename)
{
if (entry.Media != null &&
entry.Media.Content != null)
{
UserState ut = new UserState();
ut.opType = UserState.OperationType.download;
ut.filename = filename;
this.states.Add(ut);
this.picasaService.QueryStreamAync(new Uri(entry.Media.Content.Attributes["url"] as string), DateTime.MinValue, ut);
}
}
public void BackupAlbum(string albumUri, string foldername)
{
UserState us = new UserState();
us.opType = UserState.OperationType.queryForBackup;
us.filename = "Starting backup to : " + foldername;
us.foldername = foldername;
this.states.Add(us);
this.picasaService.QueryFeedAync(new Uri(albumUri), DateTime.MinValue, us);
}
private void OnDone(object sender, AsyncOperationCompletedEventArgs e)
{
UserState ut = e.UserState as UserState;
if (this.states.Contains(ut) == false)
{
return;
}
this.states.Remove(ut);
if (e.Error == null && e.Cancelled == false)
{
if (ut.opType == UserState.OperationType.query ||
ut.opType == UserState.OperationType.queryForBackup)
{
if (e.Feed != null)
{
this.photoFeed = e.Feed as PicasaFeed;
this.InitializeList(ut.filename);
}
}
if (ut.opType == UserState.OperationType.upload)
{
if (e.Entry != null)
{
ListViewItem item = new ListViewItem(e.Entry.Title.Text);
item.Tag = e.Entry;
this.PhotoList.Items.Add(item);
this.FileInfo.Text = "Upload succeeded";
}
}
if (ut.opType == UserState.OperationType.download ||
ut.opType == UserState.OperationType.downloadList)
{
if (e.ResponseStream != null)
{
WriteFile(ut.filename, e.ResponseStream);
this.FileInfo.Text = "Saved file: " + ut.filename;
}
}
if (ut.opType == UserState.OperationType.downloadList)
{
// we need to create a new object for uniqueness
UserState u = new UserState();
u.counter = ut.counter + 1;
u.feed = ut.feed;
u.foldername = ut.foldername;
u.opType = UserState.OperationType.downloadList;
if (u.feed.Entries.Count > 0)
{
u.feed.Entries.RemoveAt(0);
this.PhotoList.Items.RemoveAt(0);
}
this.states.Add(u);
SaveAnotherPictureDelegate d = new SaveAnotherPictureDelegate(this.CreateAnotherSaveFile);
this.BeginInvoke(d, u);
}
if (ut.opType == UserState.OperationType.queryForBackup)
{
UserState u = new UserState();
u.opType = UserState.OperationType.downloadList;
u.feed = this.photoFeed;
u.counter = 1;
u.foldername = ut.foldername;
u.filename = ut.foldername + "\\image1.jpg";
this.states.Add(u);
SaveAnotherPictureDelegate d = new SaveAnotherPictureDelegate(this.CreateAnotherSaveFile);
this.BeginInvoke(d, u);
}
}
this.progressBar.Value = 0;
if (this.states.Count == 0)
{
this.CancelAsync.Enabled = false;
this.CancelAsync.Visible = false;
}
}
