Initial commit

[fillmore] / src / marina / MultiFileProgress.vala

diff --git a/src/marina/MultiFileProgress.vala b/src/marina/MultiFileProgress.vala
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+/* Copyright 2009 Yorba Foundation
+ *
+ * This software is licensed under the GNU Lesser General Public License
+ * (version 2.1 or later).  See the COPYING file in this distribution. 
+ */
+
+using Logging;
+
+public interface MultiFileProgressInterface : Object {
+    public signal void fraction_updated(double d);
+    public signal void file_updated(string filename, int index);
+    public signal void done();
+    
+    public abstract void cancel();
+    public abstract void complete();
+}
+
+public class MultiFileProgress : Gtk.Window {
+    Gtk.ProgressBar progress_bar;
+    Gtk.Label file_label;
+    Gtk.Label number_label;
+    Gtk.Button cancel_button;
+    int num_files;
+    bool needs_show;
+    
+    MultiFileProgressInterface provider_interface;
+  
+    string dialog_title;
+
+    public MultiFileProgress(Gtk.Window parent, int num_files, 
+        string dialog_title, MultiFileProgressInterface provider) {
+        this.num_files = num_files;
+        needs_show = true;
+        file_label = new Gtk.Label("");
+        number_label = new Gtk.Label("");
+        progress_bar = new Gtk.ProgressBar();
+        
+        Gtk.VBox vbox = new Gtk.VBox(true, 0);
+        
+        vbox.pack_start(number_label, false, false, 0);
+        vbox.pack_start(file_label, false, false, 0);
+        vbox.pack_start(progress_bar, false, false, 0);
+        
+        Gtk.HButtonBox button_area = new Gtk.HButtonBox();
+        button_area.set("layout-style", Gtk.ButtonBoxStyle.CENTER); 
+        
+        cancel_button = new Gtk.Button.from_stock(Gtk.STOCK_CANCEL);
+        cancel_button.clicked.connect(on_cancel_clicked);
+        
+        button_area.add(cancel_button);
+        
+        vbox.pack_start(button_area, false, false, 0);
+        add(vbox);
+
+        set_transient_for(parent);
+        set_title(dialog_title);
+        this.dialog_title = dialog_title;
+        
+        provider_interface = provider;
+        
+        provider_interface.fraction_updated.connect(on_fraction_updated);
+        provider_interface.file_updated.connect(on_file_updated);
+        provider_interface.done.connect(on_done);
+    }
+
+    void on_done() {
+        emit(this, Facility.SIGNAL_HANDLERS, Level.INFO, "on_done");
+        destroy();
+    }
+    
+    void on_cancel_clicked() {
+        emit(this, Facility.SIGNAL_HANDLERS, Level.INFO, "on_cancel_clicked");
+        destroy();
+    }
+    
+    void on_destroy() {
+        emit(this, Facility.SIGNAL_HANDLERS, Level.INFO, "on_destroy");
+        if (progress_bar.get_fraction() < 1.0)
+            provider_interface.cancel();
+        else
+            provider_interface.complete();
+    }
+    
+    void on_fraction_updated(double d) {
+        emit(this, Facility.SIGNAL_HANDLERS, Level.INFO, "on_fraction_updated");
+        if (needs_show) {
+            needs_show = false;
+            set_border_width(8);
+            set_resizable(false);
+            set_modal(true);
+            
+            destroy.connect(on_destroy);
+            
+            show_all();
+        }
+
+        progress_bar.set_fraction(d);
+        
+        if (progress_bar.get_fraction() == 1.0)
+            destroy();
+        else {
+            show_all();
+            queue_draw();
+        }
+    }
+
+    void on_file_updated(string filename, int index) {
+        emit(this, Facility.SIGNAL_HANDLERS, Level.INFO, "on_file_updated");
+        number_label.set_text("%sing %d of %d".printf(dialog_title, index + 1, num_files));
+        file_label.set_text("%s".printf(filename));
+    }
+}