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gaia/apps/verticalhome/js/search.js

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+/* global appManager */
+
+(function(exports) {
+  'use strict';
+
+  /**
+   * Search handles the code to launch the search app from the homescreen.
+   * Home2 will contain a temporary search box in markup until we have the full
+   * rocketbar experience. This code is responsible for sending the IAC message
+   * to the system app to launch the search app.
+   */
+  function Search() {
+    this._port = null;
+    this.connected = false;
+    this.pendingRender = false;
+
+    if (!appManager.app) {
+      window.addEventListener('appmanager-ready', function onReady() {
+        window.removeEventListener('appmanager-ready', onReady);
+        this.onAppReady();
+      }.bind(this));
+    } else {
+      this.onAppReady();
+    }
+
+    var input = document.getElementById('search');
+    input.addEventListener('click', this.open.bind(this));
+    // Prevent the context menu from appearing as we will not allow
+    // long-tapping on the search bar later in 2.1.
+    input.addEventListener('contextmenu', (e) => {
+      e.stopPropagation();
+    });
+  }
+
+  Search.prototype = {
+    onAppReady: function onAppReady() {
+      appManager.app.connect('search-results').then(
+        function onConnectionAccepted(ports) {
+          ports.forEach(function(port) {
+            this._port = port;
+          }.bind(this));
+          this.connected = true;
+          if (this.pendingRender) {
+            this.open();
+          }
+        }.bind(this),
+        function onConnectionRejected() {}
+      );
+    },
+
+    /**
+     * Sends a message to open the rocketbar.
+     * @memberof Search.prototype
+     */
+    open: function openRocketbar(e) {
+      window.scrollTo(0, 0);
+      e.stopPropagation();
+      e.preventDefault();
+
+      if (!this.connected) {
+        this.pendingRender = true;
+        return;
+      }
+
+      this._port.postMessage({action: 'render'});
+    }
+  };
+
+  exports.search = new Search();
+
+})(window);