blob: da28e49c88694a23914553a4ef3d18331c7ab45a [file] [log] [blame]
// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
(function() {
'use strict';
var AWAIT_MAX_ITERS = 10;
var AWAIT_STEP = 5;
Polymer({
is: 'gr-overlay',
behaviors: [
Polymer.IronOverlayBehavior,
],
detached: function() {
// For good measure.
Gerrit.KeyboardShortcutBehavior.enabled = true;
},
open: function() {
return new Promise(function(resolve) {
Gerrit.KeyboardShortcutBehavior.enabled = false;
Polymer.IronOverlayBehaviorImpl.open.apply(this, arguments);
this._awaitOpen(resolve);
}.bind(this));
},
close: function() {
Gerrit.KeyboardShortcutBehavior.enabled = true;
Polymer.IronOverlayBehaviorImpl.close.apply(this, arguments);
},
cancel: function() {
Gerrit.KeyboardShortcutBehavior.enabled = true;
Polymer.IronOverlayBehaviorImpl.cancel.apply(this, arguments);
},
/**
* Override the focus stops that iron-overlay-behavior tries to find.
*/
setFocusStops: function(stops) {
this.__firstFocusableNode = stops.start;
this.__lastFocusableNode = stops.end;
},
/**
* NOTE: (wyatta) Slightly hacky way to listen to the overlay actually
* opening. Eventually replace with a direct way to listen to the overlay.
*/
_awaitOpen: function(fn) {
var iters = 0;
var step = function() {
this.async(function() {
if (this.style.display !== 'none') {
fn.call(this);
} else if (iters++ < AWAIT_MAX_ITERS) {
step.call(this);
}
}.bind(this), AWAIT_STEP);
}.bind(this);
step.call(this);
},
});
})();