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using System;
using System.Threading;
using System.IO;
using Gtk;
using Glade;
public class UploadFileChooserUI
{
[Glade.Widget]
FileChooserDialog filechooserdialog1;
[Glade.Widget]
Image image6;
[Glade.Widget]
Button button10;
[Glade.Widget]
Button button11;
[Glade.Widget]
EventBox eventbox7;
[Glade.Widget]
EventBox eventbox8;
[Glade.Widget]
EventBox eventbox9;
[Glade.Widget]
Label label16;
[Glade.Widget]
ProgressBar progressbar3;
// private static UploadFileChooserUI uploader;
private ThreadStart _job;
private Thread _previewthread;
private Gdk.Pixbuf _buf;
private Thread _processfilesthread;
//private static Gdk.Color bgcolor = new Gdk.Color(0xA8, 0xA8, 0x94);
private static Gdk.Color bgcolor = new Gdk.Color(0xFF, 0xFF, 0xFF);
private UploadFileChooserUI()
{
Glade.XML gxml = new Glade.XML (null, "organizer.glade", "filechooserdialog1", null);
gxml.Autoconnect (this);
_job = new ThreadStart(ProcessThumbnail);
_previewthread = new Thread(_job);
label16.WidthRequest = eventbox7.WidthRequest;
eventbox7.ModifyBg(Gtk.StateType.Normal, bgcolor);
eventbox8.ModifyBg(Gtk.StateType.Normal, bgcolor);
eventbox9.ModifyBg(Gtk.StateType.Normal, bgcolor);
filechooserdialog1.Title = "Select files to upload";
filechooserdialog1.SetIconFromFile(DeskFlickrUI.ICON_PATH);
filechooserdialog1.SetFilename(PersistentInformation.GetInstance().UploadFilename);
filechooserdialog1.SelectMultiple = true;
FileFilter imagefilter = new FileFilter();
imagefilter.AddMimeType("image/jpeg");
imagefilter.AddMimeType("image/png");
filechooserdialog1.Filter = imagefilter;
filechooserdialog1.SelectionChanged += new EventHandler(OnFileSelectedChanged);
filechooserdialog1.FileActivated += new EventHandler(OnOpenButtonClicked);
button10.Clicked += new EventHandler(OnOpenButtonClicked);
button11.Clicked += new EventHandler(OnCancelButtonClicked);
DeskFlickrUI.GetInstance().SetUploadWindow(false);
filechooserdialog1.ShowAll();
}
public static void FireUp() {
new UploadFileChooserUI();
}
private void OnFileSelectedChanged(object sender, EventArgs args) {
if (_processfilesthread != null && _processfilesthread.IsAlive) return;
_previewthread.Abort();
_previewthread = new Thread(_job);
_previewthread.Start();
}
private string GetInfo(string filename) {
if (System.IO.Directory.Exists(filename)) {
return "<span font_desc='Times Bold 10'>Directory</span>";
}
FileInfo finfo = new FileInfo(filename);
if (!finfo.Exists) {
return "<span font_desc='Times Bold 10'>Unable to process file " + finfo.Name + "</span>";
}
System.Text.StringBuilder strb = new System.Text.StringBuilder();
strb.AppendLine("<span font_desc='Times Bold 10'>" + finfo.Name + "</span>");
string sizestr;
long size = finfo.Length;
if (size < 1024) {
sizestr = size + " bytes";
} else if (size < 1024*1024) {
sizestr = String.Format("{0:###.##} KB", ((float) size)/1024);
} else {
sizestr = String.Format("{0:###.##} MB", ((float) size)/(1024*1024));
}
strb.AppendLine("<span font_desc='Times 10'>" + sizestr + "</span>");
return strb.ToString();
}
// This method is run through a thread.
private void ProcessThumbnail() {
Gtk.Application.Invoke(delegate{
progressbar3.Text = "Processing...";
//progressbar3.PulseStep = 0.3;
//progressbar3.Pulse();
});
Thread.Sleep(700); // wait for 0.7 seconds. This way, if the user gets
// jumpy and selects a lot of files quickly, the thread would be
// interrupted before it reaches the processing of file stage, hence
// saving processing power and RAM consumption.
string[] filenames = filechooserdialog1.Filenames;
if (filenames == null || filenames.Length == 0) return;
string filename = filenames[filenames.Length - 1];
if (System.IO.Directory.Exists(filename)) {
_buf = DeskFlickrUI.GetInstance().GetDFOThumbnail();
}
else {
try {
// Scalesimple creates a new pixbuf buffer, with the scaled
// version of the image. If we do, _buf = _buf.ScaleSimple, the
// originally loaded buffer remains referenced, and hence,
// causes memory leak. Instead, we use a different buffer to load
// file, and then dispose it once the image is scaled.
Gdk.Pixbuf original = new Gdk.Pixbuf(filename);
_buf = original.ScaleSimple(150, 150, Gdk.InterpType.Bilinear);
original.Dispose();
} catch (GLib.GException) {
_buf = DeskFlickrUI.GetInstance().GetDFOThumbnail();
}
}
Gtk.Application.Invoke (delegate {
image6.Pixbuf = _buf;
label16.Markup = GetInfo(filename);
progressbar3.Text = "";
});
}
// To be run in a thread by OnOpenButtonClicked method.
private void ProcessFiles() {
string[] filenames = null;
filenames = filechooserdialog1.Filenames;
if (filenames == null) return;
PersistentInformation.GetInstance().UploadFilename = filenames[0];
Gdk.Pixbuf thumbnail;
Gdk.Pixbuf smallimage;
Gdk.Pixbuf sqimage;
Gtk.Application.Invoke(delegate{
progressbar3.Adjustment.Lower = 0;
progressbar3.Adjustment.Upper = filenames.Length;
progressbar3.Adjustment.Value = 0;
progressbar3.Text = "Processing files...";
button10.Sensitive = false;
});
foreach (string filename in filenames) {
Gtk.Application.Invoke(delegate{
progressbar3.Adjustment.Value += 1;
});
try {
Gdk.Pixbuf buf = new Gdk.Pixbuf(filename);
thumbnail = buf.ScaleSimple(75, 75, Gdk.InterpType.Bilinear);
smallimage = buf.ScaleSimple(240, 180, Gdk.InterpType.Bilinear);
sqimage = buf.ScaleSimple(150, 150, Gdk.InterpType.Bilinear);
buf.Dispose();
} catch (GLib.GException) {
continue;
// Couldn't process the file.
}
Gtk.Application.Invoke(delegate{
label16.Markup = GetInfo(filename);
image6.Pixbuf = sqimage;
});
PersistentInformation.GetInstance().SetThumbnail(filename, thumbnail);
thumbnail.Dispose();
PersistentInformation.GetInstance().SetSmallImage(filename, smallimage);
smallimage.Dispose();
PersistentInformation.GetInstance().InsertEntryToUpload(filename);
}
Gtk.Application.Invoke(delegate{
DeskFlickrUI.GetInstance().UpdateToolBarButtons();
DeskFlickrUI.GetInstance().RefreshUploadPhotos();
filechooserdialog1.Destroy();
DeskFlickrUI.GetInstance().SetUploadWindow(true);
});
}
private void OnOpenButtonClicked(object sender, EventArgs args) {
if (_processfilesthread != null && _processfilesthread.IsAlive) return;
_previewthread.Abort();
ThreadStart job = new ThreadStart(ProcessFiles);
_processfilesthread = new Thread(job);
_processfilesthread.Start();
}
private void OnCancelButtonClicked(object sender, EventArgs args) {
if (_processfilesthread != null) {
_processfilesthread.Abort();
DeskFlickrUI.GetInstance().UpdateToolBarButtons();
DeskFlickrUI.GetInstance().RefreshUploadPhotos();
}
filechooserdialog1.Destroy();
DeskFlickrUI.GetInstance().SetUploadWindow(true);
}
}
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