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<!DOCTYPE html>
<!--
Copyright (c) 2015 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<link rel='import' href='/tracing/ui/base/info_bar.html'>
<dom-module id='tr-ui-b-info-bar-group'>
<template>
<style>
:host {
flex: 0 0 auto;
flex-direction: column;
display: flex;
}
</style>
<div id='messages'></div>
</template>
</dom-module>
<script>
'use strict';
Polymer({
is: 'tr-ui-b-info-bar-group',
ready() {
this.messages_ = [];
},
clearMessages() {
this.messages_ = [];
this.updateContents_();
},
addMessage(text, opt_buttons) {
opt_buttons = opt_buttons || [];
for (let i = 0; i < opt_buttons.length; i++) {
if (opt_buttons[i].buttonText === undefined) {
throw new Error('buttonText must be provided');
}
if (opt_buttons[i].onClick === undefined) {
throw new Error('onClick must be provided');
}
}
this.messages_.push({
text,
buttons: opt_buttons || []
});
this.updateContents_();
},
updateContents_() {
Polymer.dom(this.$.messages).textContent = '';
this.messages_.forEach(function(message) {
const bar = document.createElement('tr-ui-b-info-bar');
bar.message = message.text;
bar.visible = true;
message.buttons.forEach(function(button) {
bar.addButton(button.buttonText, button.onClick);
}, this);
Polymer.dom(this.$.messages).appendChild(bar);
}, this);
}
});
</script>
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