diff options
Diffstat (limited to 'toolkit/content/aboutwebrtc')
| -rw-r--r-- | toolkit/content/aboutwebrtc/aboutWebrtc.css | 97 | ||||
| -rw-r--r-- | toolkit/content/aboutwebrtc/aboutWebrtc.html | 21 | ||||
| -rw-r--r-- | toolkit/content/aboutwebrtc/aboutWebrtc.js | 841 |
3 files changed, 959 insertions, 0 deletions
diff --git a/toolkit/content/aboutwebrtc/aboutWebrtc.css b/toolkit/content/aboutwebrtc/aboutWebrtc.css new file mode 100644 index 000000000..b9021dde6 --- /dev/null +++ b/toolkit/content/aboutwebrtc/aboutWebrtc.css @@ -0,0 +1,97 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +html { + background-color: #edeceb; + font: message-box; +} + +.controls { + font-size: 1.1em; + display: inline-block; + margin: 0 0.5em; +} + +.control { + margin: 0.5em 0; +} + +.control > button { + margin: 0 0.25em; +} + +.message > p { + margin: 0.5em 0.5em; +} + +.log p { + font-family: monospace; + padding-left: 2em; + text-indent: -2em; + margin-top: 2px; + margin-bottom: 2px; +} + +#content > div { + padding: 1em 2em; + margin: 1em 0; + border: 1px solid #afaca9; + border-radius: 10px; + background: none repeat scroll 0% 0% #fff; +} + +.section-heading * +{ + display: inline-block; +} + +.section-heading > button { + margin-left: 1em; + margin-right: 1em; +} + +.peer-connection > h3 +{ + background-color: #ddd; +} + +.peer-connection table { + width: 100%; + text-align: center; + border: none; +} + +.peer-connection table th, +.peer-connection table td { + padding: 0.4em; +} + +.peer-connection table tr:nth-child(even) { + background-color: #ddd; +} + +.info-label { + font-weight: bold; +} + +.section-ctrl { + margin: 1em 1.5em; +} + +div.fold-trigger { + color: blue; + cursor: pointer; +} + +@media screen { + .fold-closed { + display: none !important; + } +} + +@media print { + .no-print { + display: none !important; + } +} diff --git a/toolkit/content/aboutwebrtc/aboutWebrtc.html b/toolkit/content/aboutwebrtc/aboutWebrtc.html new file mode 100644 index 000000000..42cda348e --- /dev/null +++ b/toolkit/content/aboutwebrtc/aboutWebrtc.html @@ -0,0 +1,21 @@ +<!DOCTYPE HTML> + +<!-- This Source Code Form is subject to the terms of the Mozilla Public + - License, v. 2.0. If a copy of the MPL was not distributed with this + - file, You can obtain one at http://mozilla.org/MPL/2.0/. --> + +<html> +<head> + <meta charset="utf-8" /> + <title>about:webrtc</title> + <link rel="stylesheet" type="text/css" media="all" + href="chrome://global/content/aboutwebrtc/aboutWebrtc.css"/> + <script type="text/javascript;version=1.8" + src="chrome://global/content/aboutwebrtc/aboutWebrtc.js" + defer="defer"></script> +</head> +<body id="body" onload="onLoad()"> + <div id="controls" class="no-print"></div> + <div id="content"></div> +</body> +</html> diff --git a/toolkit/content/aboutwebrtc/aboutWebrtc.js b/toolkit/content/aboutwebrtc/aboutWebrtc.js new file mode 100644 index 000000000..5c366eeb5 --- /dev/null +++ b/toolkit/content/aboutwebrtc/aboutWebrtc.js @@ -0,0 +1,841 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ +"use strict"; + +/* global WebrtcGlobalInformation, document */ + +var Cu = Components.utils; + +Cu.import("resource://gre/modules/XPCOMUtils.jsm"); +Cu.import("resource://gre/modules/Services.jsm"); + +XPCOMUtils.defineLazyModuleGetter(this, "FileUtils", + "resource://gre/modules/FileUtils.jsm"); +XPCOMUtils.defineLazyServiceGetter(this, "FilePicker", + "@mozilla.org/filepicker;1", "nsIFilePicker"); +XPCOMUtils.defineLazyGetter(this, "strings", () => { + return Services.strings.createBundle("chrome://global/locale/aboutWebrtc.properties"); +}); + +const getString = strings.GetStringFromName; +const formatString = strings.formatStringFromName; + +const LOGFILE_NAME_DEFAULT = "aboutWebrtc.html"; +const WEBRTC_TRACE_ALL = 65535; + +function getStats() { + return new Promise(resolve => + WebrtcGlobalInformation.getAllStats(stats => resolve(stats))); +} + +function getLog() { + return new Promise(resolve => + WebrtcGlobalInformation.getLogging("", log => resolve(log))); +} + +// Begin initial data queries as page loads. Store returned Promises for +// later use. +var reportsRetrieved = getStats(); +var logRetrieved = getLog(); + +function onLoad() { + document.title = getString("document_title"); + let controls = document.querySelector("#controls"); + if (controls) { + let set = ControlSet.render(); + ControlSet.add(new SavePage()); + ControlSet.add(new DebugMode()); + ControlSet.add(new AecLogging()); + controls.appendChild(set); + } + + let contentElem = document.querySelector("#content"); + if (!contentElem) { + return; + } + + let contentInit = function(data) { + AboutWebRTC.init(onClearStats, onClearLog); + AboutWebRTC.render(contentElem, data); + }; + + Promise.all([reportsRetrieved, logRetrieved]) + .then(([stats, log]) => contentInit({reports: stats.reports, log: log})) + .catch(error => contentInit({error: error})); +} + +function onClearLog() { + WebrtcGlobalInformation.clearLogging(); + getLog() + .then(log => AboutWebRTC.refresh({log: log})) + .catch(error => AboutWebRTC.refresh({logError: error})); +} + +function onClearStats() { + WebrtcGlobalInformation.clearAllStats(); + getStats() + .then(stats => AboutWebRTC.refresh({reports: stats.reports})) + .catch(error => AboutWebRTC.refresh({reportError: error})); +} + +var ControlSet = { + render: function() { + let controls = document.createElement("div"); + let control = document.createElement("div"); + let message = document.createElement("div"); + + controls.className = "controls"; + control.className = "control"; + message.className = "message"; + controls.appendChild(control); + controls.appendChild(message); + + this.controlSection = control; + this.messageSection = message; + return controls; + }, + + add: function(controlObj) { + let [controlElem, messageElem] = controlObj.render(); + this.controlSection.appendChild(controlElem); + this.messageSection.appendChild(messageElem); + } +}; + +function Control() { + this._label = null; + this._message = null; + this._messageHeader = null; +} + +Control.prototype = { + render: function () { + let controlElem = document.createElement("button"); + let messageElem = document.createElement("p"); + + this.ctrl = controlElem; + controlElem.onclick = this.onClick.bind(this); + this.msg = messageElem; + this.update(); + + return [controlElem, messageElem]; + }, + + set label(val) { + return this._labelVal = val || "\xA0"; + }, + + get label() { + return this._labelVal; + }, + + set message(val) { + return this._messageVal = val; + }, + + get message() { + return this._messageVal; + }, + + update: function() { + this.ctrl.textContent = this._label; + + if (this._message) { + this.msg.innerHTML = + `<span class="info-label">${this._messageHeader}:</span> ${this._message}`; + } else { + this.msg.innerHTML = null; + } + }, + + onClick: function(event) { + return true; + } +}; + +function SavePage() { + Control.call(this); + this._messageHeader = getString("save_page_label"); + this._label = getString("save_page_label"); +} + +SavePage.prototype = Object.create(Control.prototype); +SavePage.prototype.constructor = SavePage; + +SavePage.prototype.onClick = function() { + let content = document.querySelector("#content"); + + if (!content) + return; + + FoldEffect.expandAll(); + FilePicker.init(window, getString("save_page_dialog_title"), FilePicker.modeSave); + FilePicker.defaultString = LOGFILE_NAME_DEFAULT; + let rv = FilePicker.show(); + + if (rv == FilePicker.returnOK || rv == FilePicker.returnReplace) { + let fout = FileUtils.openAtomicFileOutputStream( + FilePicker.file, FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE); + + let nodes = content.querySelectorAll(".no-print"); + let noPrintList = []; + for (let node of nodes) { + noPrintList.push(node); + node.style.setProperty("display", "none"); + } + + fout.write(content.outerHTML, content.outerHTML.length); + FileUtils.closeAtomicFileOutputStream(fout); + + for (let node of noPrintList) { + node.style.removeProperty("display"); + } + + this._message = formatString("save_page_msg", [FilePicker.file.path], 1); + this.update(); + } +}; + +function DebugMode() { + Control.call(this); + this._messageHeader = getString("debug_mode_msg_label"); + + if (WebrtcGlobalInformation.debugLevel > 0) { + this.onState(); + } else { + this._label = getString("debug_mode_off_state_label"); + this._message = null; + } +} + +DebugMode.prototype = Object.create(Control.prototype); +DebugMode.prototype.constructor = DebugMode; + +DebugMode.prototype.onState = function() { + this._label = getString("debug_mode_on_state_label"); + try { + let file = Services.prefs.getCharPref("media.webrtc.debug.log_file"); + this._message = formatString("debug_mode_on_state_msg", [file], 1); + } catch (e) { + this._message = null; + } +}; + +DebugMode.prototype.offState = function() { + this._label = getString("debug_mode_off_state_label"); + try { + let file = Services.prefs.getCharPref("media.webrtc.debug.log_file"); + this._message = formatString("debug_mode_off_state_msg", [file], 1); + } catch (e) { + this._message = null; + } +}; + +DebugMode.prototype.onClick = function() { + if (WebrtcGlobalInformation.debugLevel > 0) { + WebrtcGlobalInformation.debugLevel = 0; + this.offState(); + } else { + WebrtcGlobalInformation.debugLevel = WEBRTC_TRACE_ALL; + this.onState(); + } + + this.update(); +}; + +function AecLogging() { + Control.call(this); + this._messageHeader = getString("aec_logging_msg_label"); + + if (WebrtcGlobalInformation.aecDebug) { + this.onState(); + } else { + this._label = getString("aec_logging_off_state_label"); + this._message = null; + } +} + +AecLogging.prototype = Object.create(Control.prototype); +AecLogging.prototype.constructor = AecLogging; + +AecLogging.prototype.offState = function () { + this._label = getString("aec_logging_off_state_label"); + try { + let file = Services.prefs.getCharPref("media.webrtc.debug.aec_log_dir"); + this._message = formatString("aec_logging_off_state_msg", [file], 1); + } catch (e) { + this._message = null; + } +}; + +AecLogging.prototype.onState = function () { + this._label = getString("aec_logging_on_state_label"); + try { + let file = Services.prefs.getCharPref("media.webrtc.debug.aec_log_dir"); + this._message = getString("aec_logging_on_state_msg"); + } catch (e) { + this._message = null; + } +}; + +AecLogging.prototype.onClick = function () { + if (WebrtcGlobalInformation.aecDebug) { + WebrtcGlobalInformation.aecDebug = false; + this.offState(); + } else { + WebrtcGlobalInformation.aecDebug = true; + this.onState(); + } + this.update(); +}; + +var AboutWebRTC = { + _reports: [], + _log: [], + + init: function(onClearStats, onClearLog) { + this._onClearStats = onClearStats; + this._onClearLog = onClearLog; + }, + + render: function(parent, data) { + this._content = parent; + this._setData(data); + + if (data.error) { + let msg = document.createElement("h3"); + msg.textContent = getString("cannot_retrieve_log"); + parent.appendChild(msg); + msg = document.createElement("p"); + msg.innerHTML = `${data.error.name}: ${data.error.message}`; + parent.appendChild(msg); + return; + } + + this._peerConnections = this.renderPeerConnections(); + this._connectionLog = this.renderConnectionLog(); + this._content.appendChild(this._peerConnections); + this._content.appendChild(this._connectionLog); + }, + + _setData: function(data) { + if (data.reports) { + this._reports = data.reports; + } + + if (data.log) { + this._log = data.log; + } + }, + + refresh: function(data) { + this._setData(data); + let pc = this._peerConnections; + this._peerConnections = this.renderPeerConnections(); + let log = this._connectionLog; + this._connectionLog = this.renderConnectionLog(); + this._content.replaceChild(this._peerConnections, pc); + this._content.replaceChild(this._connectionLog, log); + }, + + renderPeerConnections: function() { + let connections = document.createElement("div"); + connections.className = "stats"; + + let heading = document.createElement("span"); + heading.className = "section-heading"; + let elem = document.createElement("h3"); + elem.textContent = getString("stats_heading"); + heading.appendChild(elem); + + elem = document.createElement("button"); + elem.textContent = "Clear History"; + elem.className = "no-print"; + elem.onclick = this._onClearStats; + heading.appendChild(elem); + connections.appendChild(heading); + + if (!this._reports || !this._reports.length) { + return connections; + } + + let reports = [...this._reports]; + reports.sort((a, b) => b.timestamp - a.timestamp); + for (let report of reports) { + let peerConnection = new PeerConnection(report); + connections.appendChild(peerConnection.render()); + } + + return connections; + }, + + renderConnectionLog: function() { + let content = document.createElement("div"); + content.className = "log"; + + let heading = document.createElement("span"); + heading.className = "section-heading"; + let elem = document.createElement("h3"); + elem.textContent = getString("log_heading"); + heading.appendChild(elem); + elem = document.createElement("button"); + elem.textContent = "Clear Log"; + elem.className = "no-print"; + elem.onclick = this._onClearLog; + heading.appendChild(elem); + content.appendChild(heading); + + if (!this._log || !this._log.length) { + return content; + } + + let div = document.createElement("div"); + let sectionCtrl = document.createElement("div"); + sectionCtrl.className = "section-ctrl no-print"; + let foldEffect = new FoldEffect(div, { + showMsg: getString("log_show_msg"), + hideMsg: getString("log_hide_msg") + }); + sectionCtrl.appendChild(foldEffect.render()); + content.appendChild(sectionCtrl); + + for (let line of this._log) { + elem = document.createElement("p"); + elem.textContent = line; + div.appendChild(elem); + } + + content.appendChild(div); + return content; + } +}; + +function PeerConnection(report) { + this._report = report; +} + +PeerConnection.prototype = { + render: function() { + let pc = document.createElement("div"); + pc.className = "peer-connection"; + pc.appendChild(this.renderHeading()); + + let div = document.createElement("div"); + let sectionCtrl = document.createElement("div"); + sectionCtrl.className = "section-ctrl no-print"; + let foldEffect = new FoldEffect(div); + sectionCtrl.appendChild(foldEffect.render()); + pc.appendChild(sectionCtrl); + + div.appendChild(this.renderDesc()); + div.appendChild(new ICEStats(this._report).render()); + div.appendChild(new SDPStats(this._report).render()); + div.appendChild(new RTPStats(this._report).render()); + + pc.appendChild(div); + return pc; + }, + + renderHeading: function () { + let pcInfo = this.getPCInfo(this._report); + let heading = document.createElement("h3"); + let now = new Date(this._report.timestamp).toTimeString(); + heading.textContent = + `[ ${pcInfo.id} ] ${pcInfo.url} ${pcInfo.closed ? `(${getString("connection_closed")})` : ""} ${now}`; + return heading; + }, + + renderDesc: function() { + let info = document.createElement("div"); + let label = document.createElement("span"); + let body = document.createElement("span"); + + label.className = "info-label"; + label.textContent = `${getString("peer_connection_id_label")}: `; + info.appendChild(label); + + body.className = "info-body"; + body.textContent = this._report.pcid; + info.appendChild(body); + + return info; + }, + + getPCInfo: function(report) { + return { + id: report.pcid.match(/id=(\S+)/)[1], + url: report.pcid.match(/url=([^)]+)/)[1], + closed: report.closed + }; + } +}; + +function SDPStats(report) { + this._report = report; +} + +SDPStats.prototype = { + render: function() { + let div = document.createElement("div"); + let elem = document.createElement("h4"); + + elem.textContent = getString("sdp_heading"); + div.appendChild(elem); + + elem = document.createElement("h5"); + elem.textContent = getString("local_sdp_heading"); + div.appendChild(elem); + + elem = document.createElement("pre"); + elem.textContent = this._report.localSdp; + div.appendChild(elem); + + elem = document.createElement("h5"); + elem.textContent = getString("remote_sdp_heading"); + div.appendChild(elem); + + elem = document.createElement("pre"); + elem.textContent = this._report.remoteSdp; + div.appendChild(elem); + + return div; + } +}; + +function RTPStats(report) { + this._report = report; + this._stats = []; +} + +RTPStats.prototype = { + render: function() { + let div = document.createElement("div"); + let heading = document.createElement("h4"); + + heading.textContent = getString("rtp_stats_heading"); + div.appendChild(heading); + + this.generateRTPStats(); + + for (let statSet of this._stats) { + div.appendChild(this.renderRTPStatSet(statSet)); + } + + return div; + }, + + generateRTPStats: function() { + let remoteRtpStats = {}; + let rtpStats = [].concat((this._report.inboundRTPStreamStats || []), + (this._report.outboundRTPStreamStats || [])); + + // Generate an id-to-streamStat index for each streamStat that is marked + // as a remote. This will be used next to link the remote to its local side. + for (let stats of rtpStats) { + if (stats.isRemote) { + remoteRtpStats[stats.id] = stats; + } + } + + // If a streamStat has a remoteId attribute, create a remoteRtpStats + // attribute that references the remote streamStat entry directly. + // That is, the index generated above is merged into the returned list. + for (let stats of rtpStats) { + if (stats.remoteId) { + stats.remoteRtpStats = remoteRtpStats[stats.remoteId]; + } + } + + this._stats = rtpStats; + }, + + renderAvStats: function(stats) { + let statsString = ""; + + if (stats.mozAvSyncDelay) { + statsString += `${getString("av_sync_label")}: ${stats.mozAvSyncDelay} ms `; + } + if (stats.mozJitterBufferDelay) { + statsString += `${getString("jitter_buffer_delay_label")}: ${stats.mozJitterBufferDelay} ms`; + } + + let line = document.createElement("p"); + line.textContent = statsString; + return line; + }, + + renderCoderStats: function(stats) { + let statsString = ""; + let label; + + if (stats.bitrateMean) { + statsString += ` ${getString("avg_bitrate_label")}: ${(stats.bitrateMean / 1000000).toFixed(2)} Mbps`; + if (stats.bitrateStdDev) { + statsString += ` (${(stats.bitrateStdDev / 1000000).toFixed(2)} SD)`; + } + } + + if (stats.framerateMean) { + statsString += ` ${getString("avg_framerate_label")}: ${(stats.framerateMean).toFixed(2)} fps`; + if (stats.framerateStdDev) { + statsString += ` (${stats.framerateStdDev.toFixed(2)} SD)`; + } + } + + if (stats.droppedFrames) { + statsString += ` ${getString("dropped_frames_label")}: ${stats.droppedFrames}`; + } + if (stats.discardedPackets) { + statsString += ` ${getString("discarded_packets_label")}: ${stats.discardedPackets}`; + } + + if (statsString) { + label = (stats.packetsReceived ? ` ${getString("decoder_label")}:` : ` ${getString("encoder_label")}:`); + statsString = label + statsString; + } + + let line = document.createElement("p"); + line.textContent = statsString; + return line; + }, + + renderTransportStats: function(stats, typeLabel) { + let time = new Date(stats.timestamp).toTimeString(); + let statsString = `${typeLabel}: ${time} ${stats.type} SSRC: ${stats.ssrc}`; + + if (stats.packetsReceived) { + statsString += ` ${getString("received_label")}: ${stats.packetsReceived} ${getString("packets")}`; + + if (stats.bytesReceived) { + statsString += ` (${(stats.bytesReceived / 1024).toFixed(2)} Kb)`; + } + + statsString += ` ${getString("lost_label")}: ${stats.packetsLost} ${getString("jitter_label")}: ${stats.jitter}`; + + if (stats.mozRtt) { + statsString += ` RTT: ${stats.mozRtt} ms`; + } + } else if (stats.packetsSent) { + statsString += ` ${getString("sent_label")}: ${stats.packetsSent} ${getString("packets")}`; + if (stats.bytesSent) { + statsString += ` (${(stats.bytesSent / 1024).toFixed(2)} Kb)`; + } + } + + let line = document.createElement("p"); + line.textContent = statsString; + return line; + }, + + renderRTPStatSet: function(stats) { + let div = document.createElement("div"); + let heading = document.createElement("h5"); + + heading.textContent = stats.id; + div.appendChild(heading); + + if (stats.MozAvSyncDelay || stats.mozJitterBufferDelay) { + div.appendChild(this.renderAvStats(stats)); + } + + div.appendChild(this.renderCoderStats(stats)); + div.appendChild(this.renderTransportStats(stats, getString("typeLocal"))); + + if (stats.remoteId && stats.remoteRtpStats) { + div.appendChild(this.renderTransportStats(stats.remoteRtpStats, getString("typeRemote"))); + } + + return div; + }, +}; + +function ICEStats(report) { + this._report = report; +} + +ICEStats.prototype = { + render: function() { + let tbody = []; + for (let stat of this.generateICEStats()) { + tbody.push([ + stat.localcandidate || "", + stat.remotecandidate || "", + stat.state || "", + stat.priority || "", + stat.nominated || "", + stat.selected || "" + ]); + } + + let statsTable = new SimpleTable( + [getString("local_candidate"), getString("remote_candidate"), getString("ice_state"), + getString("priority"), getString("nominated"), getString("selected")], + tbody); + + let div = document.createElement("div"); + let heading = document.createElement("h4"); + + heading.textContent = getString("ice_stats_heading"); + div.appendChild(heading); + div.appendChild(statsTable.render()); + + return div; + }, + + generateICEStats: function() { + // Create an index based on candidate ID for each element in the + // iceCandidateStats array. + let candidates = new Map(); + + for (let candidate of this._report.iceCandidateStats) { + candidates.set(candidate.id, candidate); + } + + // A component may have a remote or local candidate address or both. + // Combine those with both; these will be the peer candidates. + let matched = {}; + let stats = []; + let stat; + + for (let pair of this._report.iceCandidatePairStats) { + let local = candidates.get(pair.localCandidateId); + let remote = candidates.get(pair.remoteCandidateId); + + if (local) { + stat = { + localcandidate: this.candidateToString(local), + state: pair.state, + priority: pair.priority, + nominated: pair.nominated, + selected: pair.selected + }; + matched[local.id] = true; + + if (remote) { + stat.remotecandidate = this.candidateToString(remote); + matched[remote.id] = true; + } + stats.push(stat); + } + } + + for (let c of candidates.values()) { + if (matched[c.id]) + continue; + + stat = {}; + stat[c.type] = this.candidateToString(c); + stats.push(stat); + } + + return stats.sort((a, b) => (b.priority || 0) - (a.priority || 0)); + }, + + candidateToString: function(c) { + if (!c) { + return "*"; + } + + var type = c.candidateType; + + if (c.type == "localcandidate" && c.candidateType == "relayed") { + type = `${c.candidateType}-${c.mozLocalTransport}`; + } + + return `${c.ipAddress}:${c.portNumber}/${c.transport}(${type})`; + } +}; + +function SimpleTable(heading, data) { + this._heading = heading || []; + this._data = data; +} + +SimpleTable.prototype = { + renderRow: function(list) { + let row = document.createElement("tr"); + + for (let elem of list) { + let cell = document.createElement("td"); + cell.textContent = elem; + row.appendChild(cell); + } + + return row; + }, + + render: function() { + let table = document.createElement("table"); + + if (this._heading) { + table.appendChild(this.renderRow(this._heading)); + } + + for (let row of this._data) { + table.appendChild(this.renderRow(row)); + } + + return table; + } +}; + +function FoldEffect(targetElem, options = {}) { + if (targetElem) { + this._showMsg = "\u25BC " + (options.showMsg || getString("fold_show_msg")); + this._showHint = options.showHint || getString("fold_show_hint"); + this._hideMsg = "\u25B2 " + (options.hideMsg || getString("fold_hide_msg")); + this._hideHint = options.hideHint || getString("fold_hide_hint"); + this._target = targetElem; + } +} + +FoldEffect.prototype = { + render: function() { + this._target.classList.add("fold-target"); + + let ctrl = document.createElement("div"); + this._trigger = ctrl; + ctrl.className = "fold-trigger"; + ctrl.addEventListener("click", this.onClick.bind(this)); + this.close(); + + FoldEffect._sections.push(this); + return ctrl; + }, + + onClick: function() { + if (this._target.classList.contains("fold-closed")) { + this.open(); + } else { + this.close(); + } + return true; + }, + + open: function() { + this._target.classList.remove("fold-closed"); + this._trigger.setAttribute("title", this._hideHint); + this._trigger.textContent = this._hideMsg; + }, + + close: function() { + this._target.classList.add("fold-closed"); + this._trigger.setAttribute("title", this._showHint); + this._trigger.textContent = this._showMsg; + } +}; + +FoldEffect._sections = []; + +FoldEffect.expandAll = function() { + for (let section of this._sections) { + section.open(); + } +}; + +FoldEffect.collapseAll = function() { + for (let section of this._sections) { + section.close(); + } +}; |