344 lines
9.8 KiB
C#
344 lines
9.8 KiB
C#
// SparkleShare, an instant update workflow to Git.
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// Copyright (C) 2010 Hylke Bons <hylkebons@gmail.com>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using Gtk;
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using Mono.Unix;
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using System;
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using System.Diagnostics;
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using System.Text.RegularExpressions;
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using System.IO;
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using System.Net;
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using System.Security.Cryptography;
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using System.Text;
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namespace SparkleShare {
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// The main window for SparkleDiff
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public class SparkleDiffWindow : Window
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{
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// Short alias for the translations
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public static string _ (string s)
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{
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return Catalog.GetString (s);
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}
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private RevisionView ViewLeft;
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private RevisionView ViewRight;
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private string [] Revisions;
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public SparkleDiffWindow (string file_path, string [] revisions) : base ("")
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{
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string file_name = System.IO.Path.GetFileName (file_path);
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Revisions = revisions;
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SetPosition (WindowPosition.Center);
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BorderWidth = 12;
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IconName = "image-x-generic";
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DeleteEvent += Quit;
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Title = file_name;
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VBox layout_vertical = new VBox (false, 12);
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HBox layout_horizontal = new HBox (true, 6);
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Process process = new Process ();
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process.EnableRaisingEvents = true;
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process.StartInfo.RedirectStandardOutput = true;
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process.StartInfo.UseShellExecute = false;
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process.StartInfo.WorkingDirectory = System.IO.Path.GetDirectoryName (file_path);
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process.StartInfo.FileName = "git";
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process.StartInfo.Arguments = "log --format=\"%ct\t%an\t%ae\" " + file_name;
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process.Start ();
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ViewLeft = new LeftRevisionView ();
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ViewRight = new RightRevisionView ();
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string output = process.StandardOutput.ReadToEnd ();
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string [] revisions_info = Regex.Split (output.Trim (), "\n");
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int i = 0;
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foreach (string revision_info in revisions_info) {
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string [] parts = Regex.Split (revision_info.Trim (), "\t");
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int timestamp = int.Parse (parts [0]);
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string author = parts [1];
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string email = parts [2];
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string date;
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// TRANSLATORS: This is a format specifier according to System.Globalization.DateTimeFormatInfo
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if (i == 0)
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date = "Latest Revision";
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else
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date = String.Format (_("{0} at {1}"),
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UnixTimestampToDateTime (timestamp).ToString (_("ddd MMM d, yyyy")),
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UnixTimestampToDateTime (timestamp).ToString (_("H:mm")));
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ViewLeft.AddRow (GetAvatar (email, 32), author, date);
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ViewRight.AddRow (GetAvatar (email, 32), author, date);
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i++;
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}
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ViewLeft.SetImage (new RevisionImage (file_path, Revisions [1]));
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ViewRight.SetImage (new RevisionImage (file_path, Revisions [0]));
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ViewLeft.IconView.SelectionChanged += delegate {
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ViewLeft.SetImage (new RevisionImage (file_path, Revisions [ViewLeft.GetSelected ()]));
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ViewLeft.ScrolledWindow.Hadjustment = ViewRight.ScrolledWindow.Hadjustment;
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ViewLeft.ScrolledWindow.Vadjustment = ViewRight.ScrolledWindow.Vadjustment;
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HookUpViews ();
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};
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ViewRight.IconView.SelectionChanged += delegate {
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ViewRight.SetImage (new RevisionImage (file_path, Revisions [ViewRight.GetSelected ()]));
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ViewRight.ScrolledWindow.Hadjustment = ViewLeft.ScrolledWindow.Hadjustment;
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ViewRight.ScrolledWindow.Vadjustment = ViewLeft.ScrolledWindow.Vadjustment;
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HookUpViews ();
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};
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ViewLeft.ToggleButton.Clicked += delegate {
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if (ViewLeft.ToggleButton.Active)
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DetachViews ();
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else
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HookUpViews ();
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};
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ViewRight.ToggleButton.Clicked += delegate {
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if (ViewLeft.ToggleButton.Active)
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DetachViews ();
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else
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HookUpViews ();
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};
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layout_horizontal.PackStart (ViewLeft);
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layout_horizontal.PackStart (ViewRight);
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ResizeToViews ();
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// Order time view according to the user's reading direction
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if (Direction == Gtk.TextDirection.Rtl)
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layout_horizontal.ReorderChild (ViewLeft, 1);
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HookUpViews ();
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HButtonBox dialog_buttons = new HButtonBox ();
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dialog_buttons.Layout = ButtonBoxStyle.End;
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dialog_buttons.BorderWidth = 0;
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Button close_button = new Button (Stock.Close);
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close_button.Clicked += delegate (object o, EventArgs args) {
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Environment.Exit (0);
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};
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dialog_buttons.Add (close_button);
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layout_vertical.PackStart (layout_horizontal, true, true, 0);
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layout_vertical.PackStart (dialog_buttons, false, false, 0);
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Add (layout_vertical);
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}
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// Resizes the window so it will fit the content in the best possible way
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private void ResizeToViews ()
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{
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int new_width = ViewLeft.GetImage ().Pixbuf.Width + ViewRight.GetImage ().Pixbuf.Width + 200;
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int new_height = 200;
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if (ViewLeft.GetImage ().Pixbuf.Height > ViewRight.GetImage ().Pixbuf.Height)
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new_height += ViewLeft.GetImage ().Pixbuf.Height;
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else
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new_height += ViewRight.GetImage ().Pixbuf.Height;
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if (new_width >= Screen.Width || new_height >= Screen.Height)
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Maximize ();
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else
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SetSizeRequest (new_width, new_height);
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}
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// Hooks up two views so their scrollbars will be kept in sync
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private void HookUpViews ()
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{
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ViewLeft.ScrolledWindow.Hadjustment.ValueChanged += SyncViewsHorizontally;
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ViewLeft.ScrolledWindow.Vadjustment.ValueChanged += SyncViewsVertically;
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ViewRight.ScrolledWindow.Hadjustment.ValueChanged += SyncViewsHorizontally;
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ViewRight.ScrolledWindow.Vadjustment.ValueChanged += SyncViewsVertically;
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}
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// Detach the two views from each other so they don't try to sync anymore
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private void DetachViews ()
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{
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ViewLeft.ScrolledWindow.Hadjustment.ValueChanged -= SyncViewsHorizontally;
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ViewLeft.ScrolledWindow.Vadjustment.ValueChanged -= SyncViewsVertically;
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ViewRight.ScrolledWindow.Hadjustment.ValueChanged -= SyncViewsHorizontally;
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ViewRight.ScrolledWindow.Vadjustment.ValueChanged -= SyncViewsVertically;
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}
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// Keeps the two image views in sync horizontally
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private void SyncViewsHorizontally (object o, EventArgs args)
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{
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Adjustment source_adjustment = (Adjustment) o;
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if (source_adjustment == ViewLeft.ScrolledWindow.Hadjustment)
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ViewRight.ScrolledWindow.Hadjustment = source_adjustment;
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else
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ViewLeft.ScrolledWindow.Hadjustment = source_adjustment;
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}
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// Keeps the two image views in sync vertically
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private void SyncViewsVertically (object o, EventArgs args)
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{
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Adjustment source_adjustment = (Adjustment) o;
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if (source_adjustment == ViewLeft.ScrolledWindow.Vadjustment)
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ViewRight.ScrolledWindow.Vadjustment = source_adjustment;
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else
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ViewLeft.ScrolledWindow.Vadjustment = source_adjustment;
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}
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public string CombineMore (params string [] Parts)
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{
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string NewPath = " ";
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foreach (string Part in Parts)
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NewPath = System.IO.Path.Combine (NewPath, Part);
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return NewPath;
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}
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// Converts a UNIX timestamp to a more usable time object
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public DateTime UnixTimestampToDateTime (int timestamp)
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{
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DateTime unix_epoch = new DateTime (1970, 1, 1, 0, 0, 0, 0);
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return unix_epoch.AddSeconds (timestamp);
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}
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// Looks up an icon from the system's theme
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public Gdk.Pixbuf GetIcon (string name, int size)
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{
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IconTheme icon_theme = new IconTheme ();
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icon_theme.AppendSearchPath (System.IO.Path.Combine ("/usr/share/sparkleshare", "icons"));
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return icon_theme.LoadIcon (name, size, IconLookupFlags.GenericFallback);
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}
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// Creates an MD5 hash of input
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public static string GetMD5 (string s)
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{
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MD5 md5 = new MD5CryptoServiceProvider ();
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Byte[] bytes = ASCIIEncoding.Default.GetBytes (s);
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Byte[] encodedBytes = md5.ComputeHash (bytes);
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return BitConverter.ToString (encodedBytes).ToLower ().Replace ("-", "");
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}
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// TODO: Turn this into an avatar fetching library
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// Gets the avatar for a specific email address and size
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public Gdk.Pixbuf GetAvatar (string Email, int Size)
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{
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UnixUserInfo UnixUserInfo = new UnixUserInfo (UnixEnvironment.UserName);
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string HomePath = UnixUserInfo.HomeDirectory;
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string SparkleLocalIconPath = CombineMore (HomePath, ".icons", "sparkleshare");
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string AvatarPath = CombineMore (SparkleLocalIconPath, Size + "x" + Size, "status");
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if (!Directory.Exists (AvatarPath)) {
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Directory.CreateDirectory (AvatarPath);
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}
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string AvatarFilePath = CombineMore (AvatarPath, Email);
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if (File.Exists (AvatarFilePath))
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return new Gdk.Pixbuf (AvatarFilePath);
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else {
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// Let's try to get the person's gravatar for next time
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WebClient WebClient = new WebClient ();
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Uri GravatarUri = new Uri ("http://www.gravatar.com/avatar/" + GetMD5 (Email) +
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".jpg?s=" + Size + "&d=404");
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string TmpFile = CombineMore (HomePath, "SparkleShare", ".tmp", Email + Size);
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if (!File.Exists (TmpFile)) {
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WebClient.DownloadFileAsync (GravatarUri, TmpFile);
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WebClient.DownloadFileCompleted += delegate {
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File.Delete (AvatarFilePath);
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FileInfo TmpFileInfo = new FileInfo (TmpFile);
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if (TmpFileInfo.Length > 255)
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File.Move (TmpFile, AvatarFilePath);
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};
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}
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// Fall back to a generic icon if there is no gravatar
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if (File.Exists (AvatarFilePath))
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return new Gdk.Pixbuf (AvatarFilePath);
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else
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return GetIcon ("avatar-default", Size);
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}
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}
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// Quits the program
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private void Quit (object o, EventArgs args)
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{
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Environment.Exit (0);
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}
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}
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}
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