1 files changed, 51 insertions, 0 deletions
diff --git a/web-ui/app/js/page/router.js b/web-ui/app/js/page/router.js
new file mode 100644
index 00000000..cc51100b
--- /dev/null
+++ b/web-ui/app/js/page/router.js
@@ -0,0 +1,51 @@
+define(['flight/lib/component', 'page/events', 'page/router/url_params'], function (defineComponent, events, urlParams) {
+  'use strict';
+
+  return defineComponent(function () {
+    this.defaultAttrs({
+      history: window.history
+    });
+
+    function createHash(data) {
+      var hash = "/#/" + data.tag;
+      if (!_.isUndefined(data.mailIdent)) {
+        hash += '/mail/' + data.mailIdent;
+      }
+      return hash;
+    }
+
+    function createState(data, previousState) {
+      return {
+        tag: data.tag || (previousState && previousState.tag) || urlParams.defaultTag(),
+        mailIdent: data.mailIdent,
+        isDisplayNoMessageSelected: !!data.isDisplayNoMessageSelected
+      };
+    }
+
+    this.smailPushState = function (ev, data) {
+      if (!data.fromPopState) {
+        var nextState = createState(data, this.attr.history.state);
+        this.attr.history.pushState(nextState, '', createHash(nextState));
+      }
+    };
+
+    this.smailPopState = function (ev) {
+      var state = ev.state || {};
+
+      this.trigger(document, events.ui.tag.select, {
+        tag: state.tag || urlParams.getTag(),
+        mailIdent: state.mailIdent,
+        fromPopState: true
+      });
+
+      if (ev.state.isDisplayNoMessageSelected) {
+        this.trigger(document, events.dispatchers.rightPane.openNoMessageSelectedWithoutPushState);
+      }
+    };
+
+    this.after('initialize', function () {
+      this.on(document, events.router.pushState, this.smailPushState);
+      window.onpopstate = this.smailPopState.bind(this);
+    });
+  });
+});