[gnome-documents] notifications: Add DeleteNotification

[Debarshi Ray <debarshir src gnome org>]

commit f2ddcfec427ed2b788ea843605738096adc8bac6
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Aug 11 14:32:50 2014 +0200

    notifications: Add DeleteNotification
    
    https://bugzilla.gnome.org/show_bug.cgi?id=661599

 src/notifications.js |   71 ++++++++++++++++++++++++++++++++++++++++++++++++++
 src/selections.js    |   12 +++++++-
 2 files changed, 81 insertions(+), 2 deletions(-)
---
diff --git a/src/notifications.js b/src/notifications.js
index 0ced93a..74f57ab 100644
--- a/src/notifications.js
+++ b/src/notifications.js
@@ -20,6 +20,7 @@
  */
 
 const Gd = imports.gi.Gd;
+const Gettext = imports.gettext;
 const Gio = imports.gi.Gio;
 const GLib = imports.gi.GLib;
 const Gtk = imports.gi.Gtk;
@@ -34,6 +35,76 @@ const Lang = imports.lang;
 const Mainloop = imports.mainloop;
 const Signals = imports.signals;
 
+const DELETE_TIMEOUT = 10; // seconds
+
+const DeleteNotification = new Lang.Class({
+    Name: 'DeleteNotification',
+
+    _init: function(docs) {
+        this._docs = docs;
+        this.widget = new Gtk.Grid({ orientation: Gtk.Orientation.HORIZONTAL,
+                                     column_spacing: 12,
+                                     margin_start: 12,
+                                     margin_end: 12 });
+
+        let msg = Gettext.ngettext("Selected item has been deleted",
+                                   "Selected items have been deleted",
+                                   this._docs.length);
+        let label = new Gtk.Label({ label: msg,
+                                    halign: Gtk.Align.START });
+        this.widget.add(label);
+
+        let undo = new Gtk.Button({ label: _("Undo"),
+                                    valign: Gtk.Align.CENTER });
+        this.widget.add(undo);
+        undo.connect('clicked', Lang.bind(this,
+            function() {
+                this._docs.forEach(Lang.bind(this,
+                    function(doc) {
+                        Application.documentManager.addItem(doc);
+                    }));
+
+                this._removeTimeout();
+                this.widget.destroy();
+            }));
+
+        let close = new Gtk.Button({ image: new Gtk.Image({ icon_name: 'window-close-symbolic',
+                                                            pixel_size: 16,
+                                                            margin_top: 2,
+                                                            margin_bottom: 2 }),
+                                     valign: Gtk.Align.CENTER,
+                                     focus_on_click: false,
+                                     relief: Gtk.ReliefStyle.NONE });
+        this.widget.add(close);
+        close.connect('clicked', Lang.bind(this, this._deleteItems));
+
+        Application.notificationManager.addNotification(this);
+        this._timeoutId = Mainloop.timeout_add_seconds(DELETE_TIMEOUT, Lang.bind(this,
+            function() {
+                this._timeoutId = 0;
+                this._deleteItems();
+                return false;
+            }));
+    },
+
+    _deleteItems: function() {
+        this._docs.forEach(Lang.bind(this,
+            function(doc) {
+                doc.trash();
+            }))
+
+        this._removeTimeout();
+        this.widget.destroy();
+    },
+
+    _removeTimeout: function() {
+        if (this._timeoutId != 0) {
+            Mainloop.source_remove(this._timeoutId);
+            this._timeoutId = 0;
+        }
+    }
+});
+
 const PrintNotification = new Lang.Class({
     Name: 'PrintNotification',
 
diff --git a/src/selections.js b/src/selections.js
index 8a1f3bc..249f918 100644
--- a/src/selections.js
+++ b/src/selections.js
@@ -898,13 +898,21 @@ const SelectionToolbar = new Lang.Class({
 
     _onToolbarTrash: function(widget) {
         let selection = Application.selectionController.getSelection();
-        Application.selectionController.setSelectionMode(false);
+        let docs = [];
 
         selection.forEach(Lang.bind(this,
             function(urn) {
                 let doc = Application.documentManager.getItemById(urn);
-                doc.trash();
+                docs.push(doc);
+            }));
+
+        docs.forEach(Lang.bind(this,
+            function(doc) {
+                Application.documentManager.removeItem(doc);
             }));
+
+        let deleteNotification = new Notifications.DeleteNotification(docs);
+        Application.selectionController.setSelectionMode(false);
     },
 
     _onToolbarProperties: function(widget) {