Frontend for timer updates and timer indicator

js/expiring_messages.js

@@ -11,4 +11,55 @@
             this.fetchExpiring();
         }
     }))();
+
+    var TimerOption = Backbone.Model.extend({
+      getName: function() {
+        return i18n([
+          'timerOption', this.get('time'), this.get('unit'),
+        ].join('_')) || moment.duration(this.get('time'), this.get('unit')).humanize();
+      },
+      getAbbreviated: function() {
+        return i18n([
+          'timerOption', this.get('time'), this.get('unit'), 'abbreviated'
+        ].join('_'));
+      }
+    });
+    Whisper.ExpirationTimerOptions = new (Backbone.Collection.extend({
+      model: TimerOption,
+      getName: function(seconds) {
+        if (!seconds) {
+          seconds = 0;
+        }
+        var o = this.findWhere({seconds: seconds});
+        if (o) { return o.getName(); }
+      },
+      getAbbreviated: function(seconds) {
+        if (!seconds) {
+          seconds = 0;
+        }
+        var o = this.findWhere({seconds: seconds});
+        if (o) { return o.getAbbreviated(); }
+      }
+    }))([
+        [ 0,  'seconds'  ],
+        [ 5,  'seconds'  ],
+        [ 10, 'seconds'  ],
+        [ 30, 'seconds'  ],
+        [ 1,  'minute'   ],
+        [ 5,  'minutes'  ],
+        [ 30, 'minutes'  ],
+        [ 1,  'hour'     ],
+        [ 6,  'hours'    ],
+        [ 12, 'hours'    ],
+        [ 1,  'day'      ],
+        [ 1,  'week'     ],
+    ].map(function(o) {
+      var duration = moment.duration(o[0], o[1]); // 5, 'seconds'
+      return {
+        time: o[0],
+        unit: o[1],
+        seconds: duration.asSeconds()
+      };
+    }));
+
 })();