[gnome-clocks/bilelmoussaoui/redesign-timer] Timer: allow deleting timers

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 0ddcacdff170aecaee9a56378d4b5934a51bdabf
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Tue Jan 28 06:20:57 2020 +0100

    Timer: allow deleting timers

 src/timer.vala   | 12 ++++++++++++
 src/widgets.vala | 12 ++++++++++++
 2 files changed, 24 insertions(+)
---
diff --git a/src/timer.vala b/src/timer.vala
index 96e0e1c..c3667b7 100644
--- a/src/timer.vala
+++ b/src/timer.vala
@@ -228,6 +228,7 @@ public class Setup : Gtk.Box {
 
 [GtkTemplate (ui = "/org/gnome/clocks/ui/timer_row.ui")]
 public class Row : Gtk.Box {
+    public signal void deleted (Item item);
     public enum State {
         STOPPED,
         RUNNING,
@@ -269,6 +270,9 @@ public class Row : Gtk.Box {
                 timeout_id = 0;
             }
         });
+        delete_button.clicked.connect(() => {
+            this.deleted (this.item);
+        });
 
         reset ();
     }
@@ -435,6 +439,9 @@ public class Face : Gtk.Stack, Clocks.Clock {
         timers_list.set_header_func ((Gtk.ListBoxUpdateHeaderFunc) Hdy.list_box_separator_header);
         timers_list.bind_model (timers, (timer) => {
             var timer_row = new Row ((Item)timer);
+            timer_row.deleted.connect((item) => {
+               this.remove_timer(item);
+            });
             return timer_row;
         });
 
@@ -464,6 +471,11 @@ public class Face : Gtk.Stack, Clocks.Clock {
         load ();
     }
 
+    private void remove_timer (Item item) {
+        timers.remove (item);
+        save ();
+    }
+
 
     public void activate_new () {
         var dialog = new NewTimerDialog ((Gtk.Window) get_toplevel ());
diff --git a/src/widgets.vala b/src/widgets.vala
index 206e348..f7f8312 100644
--- a/src/widgets.vala
+++ b/src/widgets.vala
@@ -72,6 +72,18 @@ public class ContentStore : GLib.Object, GLib.ListModel {
         item.notify["selected"].connect (on_item_selection_toggle);
     }
 
+    public void remove (ContentItem item) {
+
+        var n = store.get_n_items ();
+        for (int i = 0; i < n; i++) {
+            var compared_item = (ContentItem) store.get_object (i);
+            if (compared_item == item) {
+                store.remove (i);
+                break;
+            }
+        }
+    }
+
     public delegate void ForeachFunc (ContentItem item);
 
     public void foreach (ForeachFunc func) {