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// Copyright (c) 2013 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.
/**
* Provides the UI for dump creation.
*/
var DumpCreator = (function() {
/**
* @param {Element} containerElement The parent element of the dump creation
* UI.
* @constructor
*/
function DumpCreator(containerElement) {
/**
* The root element of the dump creation UI.
* @type {Element}
* @private
*/
this.root_ = document.createElement('details');
this.root_.className = 'peer-connection-dump-root';
containerElement.appendChild(this.root_);
var summary = document.createElement('summary');
this.root_.appendChild(summary);
summary.textContent = 'Create Dump';
var content = document.createElement('div');
this.root_.appendChild(content);
content.innerHTML = '<div><a><button>' +
'Download the PeerConnection updates and stats data' +
'</button></a></div>' +
'<p><label><input type=checkbox>' +
'Enable diagnostic audio recordings.</label></p>' +
'<p>A diagnostic audio recording is used for analyzing audio' +
' problems. It contains the audio played out from the speaker and' +
' recorded from the microphone and is saved to the local disk.' +
' Checking this box will enable the recording for ongoing WebRTC' +
' calls and for future WebRTC calls. When the box is unchecked or' +
' this page is closed, all ongoing recordings will be stopped and' +
' this recording functionality will be disabled for future WebRTC' +
' calls. Recordings in multiple tabs are supported as well as' +
' multiple recordings in the same tab. When enabling, you select a' +
' base filename to save the dump(s) to. The base filename will have a' +
' suffix appended to it as <base filename>.<render process' +
' ID>.<recording ID>. If recordings are' +
' disabled and then enabled using the same base filename, the' +
' file(s) will be appended to and may become invalid. It is' +
' recommended to choose a new base filename each time or move' +
' the resulting files before enabling again. If track processing is' +
' disabled (--disable-audio-track-processing): (1) Only one recording' +
' per render process is supported. (2) When the box is unchecked or' +
' this page is closed, ongoing recordings will continue until the' +
' call ends or the page with the recording is closed.</p>';
content.getElementsByTagName('a')[0].addEventListener(
'click', this.onDownloadData_.bind(this));
content.getElementsByTagName('input')[0].addEventListener(
'click', this.onAecRecordingChanged_.bind(this));
}
DumpCreator.prototype = {
// Mark the AEC recording checkbox checked.
enableAecRecording: function() {
this.root_.getElementsByTagName('input')[0].checked = true;
},
// Mark the AEC recording checkbox unchecked.
disableAecRecording: function() {
this.root_.getElementsByTagName('input')[0].checked = false;
},
/**
* Downloads the PeerConnection updates and stats data as a file.
*
* @private
*/
onDownloadData_: function() {
var dump_object =
{
'getUserMedia': userMediaRequests,
'PeerConnections': peerConnectionDataStore,
};
var textBlob = new Blob([JSON.stringify(dump_object, null, ' ')],
{type: 'octet/stream'});
var URL = window.URL.createObjectURL(textBlob);
var anchor = this.root_.getElementsByTagName('a')[0];
anchor.href = URL;
anchor.download = 'webrtc_internals_dump.txt';
// The default action of the anchor will download the URL.
},
/**
* Handles the event of toggling the AEC recording state.
*
* @private
*/
onAecRecordingChanged_: function() {
var enabled = this.root_.getElementsByTagName('input')[0].checked;
if (enabled) {
chrome.send('enableAecRecording');
} else {
chrome.send('disableAecRecording');
}
},
};
return DumpCreator;
})();
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