1 files changed, 69 insertions, 0 deletions
diff --git a/addons/mail/static/src/js/models/utils/timer.js b/addons/mail/static/src/js/models/utils/timer.js
new file mode 100644
index 00000000000..a3236fd1a16
--- /dev/null
+++ b/addons/mail/static/src/js/models/utils/timer.js
@@ -0,0 +1,69 @@
+odoo.define('mail.model.Timer', function (require) {
+"use strict";
+
+var Class = require('web.Class');
+
+/**
+ * This class creates a timer which, when times out, calls a function.
+ */
+var Timer = Class.extend({
+
+    /**
+     * Instantiate a new timer. Note that the timer is not started on
+     * initialization (@see start method).
+     *
+     * @param {Object} params
+     * @param {integer} params.duration duration of timer before timeout in
+     *   milli-seconds.
+     * @param {function} params.onTimeout function that is called when the
+     *   timer times out.
+     */
+    init: function (params) {
+        this._duration = params.duration;
+        this._timeout = undefined;
+        this._timeoutCallback = params.onTimeout;
+    },
+
+    //--------------------------------------------------------------------------
+    // Public
+    //--------------------------------------------------------------------------
+
+    /**
+     * Clears the countdown of the timer.
+     */
+    clear: function () {
+        clearTimeout(this._timeout);
+    },
+    /**
+     * Resets the timer, i.e. resets its duration.
+     */
+    reset: function () {
+        this.clear();
+        this.start();
+    },
+    /**
+     * Starts the timer, i.e. after a certain duration, it times out and calls
+     * a function back.
+     */
+    start: function () {
+        this._timeout = setTimeout(this._onTimeout.bind(this), this._duration);
+    },
+
+    //--------------------------------------------------------------------------
+    // Handler
+    //--------------------------------------------------------------------------
+
+    /**
+     * Called when the timer times out, calls back a function on timeout.
+     *
+     * @private
+     */
+    _onTimeout: function () {
+        this._timeoutCallback();
+    },
+
+});
+
+return Timer;
+
+});