foam-framework
Version:
MVC metaprogramming framework
77 lines (74 loc) • 2.04 kB
JavaScript
/**
* @license
* Copyright 2015 Google Inc. All Rights Reserved.
*
* 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.
*/
CLASS({
package: 'foam.ui',
name: 'WebView',
extends: 'foam.ui.SimpleView',
imports: [
'window',
],
help: 'A view that renders the HTML given to it.',
properties: [
{
name: 'data',
},
{
name: 'intervalId',
},
],
methods: {
init: function() {
this.SUPER();
this.data$.addListener(function() {
this.$.outerHTML = this.toHTML();
this.initHTML();
}.bind(this));
},
toHTML: function() {
var id = this.id;
return '<iframe scrolling="no" id="' + id + '"></iframe>';
},
initHTML: function() {
this.SUPER();
this.$.contentDocument.write('<div>' + this.data + '</div>');
// This is a lazy way of handling the change in size when things like
// images load asynchronously.
this.intervalId = this.window.setInterval(this.onResize, 500);
this.rawResize();
},
destroy: function() {
this.window.clearInterval(this.intervalId);
},
rawResize: function() {
if ( this.$.contentDocument.documentElement )
this.$.style.height = this.$.contentDocument.body.children[0].clientHeight + 16;
}
},
listeners: [
{
name: 'onResize',
isMerged: 500,
code: function() {
if ( ! this.$ ) {
this.window.clearInterval(this.intervalId);
return;
}
this.rawResize();
}
}
]
});