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Diffstat (limited to '')
| -rw-r--r-- | browser/base/content/aboutTabCrashed.js | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/browser/base/content/aboutTabCrashed.js b/browser/base/content/aboutTabCrashed.js new file mode 100644 index 0000000000..3ed15fa704 --- /dev/null +++ b/browser/base/content/aboutTabCrashed.js @@ -0,0 +1,265 @@ +/* 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/. */ + +/* eslint-env mozilla/remote-page */ + +var AboutTabCrashed = { + /** + * This can be set to true once this page receives a message from the + * parent saying whether or not a crash report is available. + */ + hasReport: false, + + /** + * The messages that we might receive from the parent. + */ + MESSAGES: ["SetCrashReportAvailable", "CrashReportSent", "UpdateCount"], + + /** + * Items for which we will listen for click events. + */ + CLICK_TARGETS: ["closeTab", "restoreTab", "restoreAll", "sendReport"], + + /** + * Returns information about this crashed tab. + * + * @return (Object) An object with the following properties: + * title (String): + * The title of the page that crashed. + * URL (String): + * The URL of the page that crashed. + */ + get pageData() { + delete this.pageData; + + let URL = document.documentURI; + let queryString = URL.replace(/^about:tabcrashed?e=tabcrashed/, ""); + + let titleMatch = queryString.match(/d=([^&]*)/); + let URLMatch = queryString.match(/u=([^&]*)/); + + return (this.pageData = { + title: + titleMatch && titleMatch[1] ? decodeURIComponent(titleMatch[1]) : "", + URL: URLMatch && URLMatch[1] ? decodeURIComponent(URLMatch[1]) : "", + }); + }, + + init() { + addEventListener("DOMContentLoaded", this); + + document.title = this.pageData.title; + }, + + receiveMessage(message) { + switch (message.name) { + case "UpdateCount": { + this.setMultiple(message.data.count > 1); + break; + } + case "SetCrashReportAvailable": { + this.onSetCrashReportAvailable(message); + break; + } + case "CrashReportSent": { + this.onCrashReportSent(); + break; + } + } + }, + + handleEvent(event) { + switch (event.type) { + case "DOMContentLoaded": { + this.onDOMContentLoaded(); + break; + } + case "click": { + this.onClick(event); + break; + } + } + }, + + onDOMContentLoaded() { + this.MESSAGES.forEach(msg => + RPMAddMessageListener(msg, this.receiveMessage.bind(this)) + ); + + this.CLICK_TARGETS.forEach(targetID => { + let el = document.getElementById(targetID); + el.addEventListener("click", this); + }); + + // Error pages are loaded as LOAD_BACKGROUND, so they don't get load events. + let event = new CustomEvent("AboutTabCrashedLoad", { bubbles: true }); + document.dispatchEvent(event); + + RPMSendAsyncMessage("Load"); + }, + + onClick(event) { + switch (event.target.id) { + case "closeTab": { + this.sendMessage("closeTab"); + break; + } + + case "restoreTab": { + this.sendMessage("restoreTab"); + break; + } + + case "restoreAll": { + this.sendMessage("restoreAll"); + break; + } + + case "sendReport": { + this.showCrashReportUI(event.target.checked); + break; + } + } + }, + + /** + * After this page tells the parent that it has loaded, the parent + * will respond with whether or not a crash report is available. This + * method handles that message. + * + * @param message + * The message from the parent, which should contain a data + * Object property with the following properties: + * + * hasReport (bool): + * Whether or not there is a crash report. + * + * sendReport (bool): + * Whether or not the the user prefers to send the report + * by default. + * + * includeURL (bool): + * Whether or not the user prefers to send the URL of + * the tab that crashed. + * + * requestAutoSubmit (bool): + * Whether or not we should ask the user to automatically + * submit backlogged crash reports. + * + */ + onSetCrashReportAvailable(message) { + let data = message.data; + + if (data.hasReport) { + this.hasReport = true; + document.documentElement.classList.add("crashDumpAvailable"); + + document.getElementById("sendReport").checked = data.sendReport; + document.getElementById("includeURL").checked = data.includeURL; + + this.showCrashReportUI(data.sendReport); + } else { + this.showCrashReportUI(false); + } + + if (data.requestAutoSubmit) { + document.getElementById("requestAutoSubmit").hidden = false; + } + + let event = new CustomEvent("AboutTabCrashedReady", { bubbles: true }); + document.dispatchEvent(event); + }, + + /** + * Handler for when the parent reports that the crash report associated + * with this about:tabcrashed page has been sent. + */ + onCrashReportSent() { + document.documentElement.classList.remove("crashDumpAvailable"); + document.documentElement.classList.add("crashDumpSubmitted"); + }, + + /** + * Toggles the display of the crash report form. + * + * @param shouldShow (bool) + * True if the crash report form should be shown + */ + showCrashReportUI(shouldShow) { + let options = document.getElementById("options"); + options.hidden = !shouldShow; + }, + + /** + * Toggles whether or not the page is one of several visible pages + * showing the crash reporter. This controls some of the language + * on the page, along with what the "primary" button is. + * + * @param hasMultiple (bool) + * True if there are multiple crash report pages being shown. + */ + setMultiple(hasMultiple) { + let main = document.getElementById("main"); + main.setAttribute("multiple", hasMultiple); + + let restoreTab = document.getElementById("restoreTab"); + + // The "Restore All" button has the "primary" class by default, so + // we only need to modify the "Restore Tab" button. + if (hasMultiple) { + restoreTab.classList.remove("primary"); + } else { + restoreTab.classList.add("primary"); + } + }, + + /** + * Sends a message to the parent in response to the user choosing + * one of the actions available on the page. This might also send up + * crash report information if the user has chosen to submit a crash + * report. + * + * @param messageName (String) + * The message to send to the parent + */ + sendMessage(messageName) { + let comments = ""; + let URL = ""; + let sendReport = false; + let includeURL = false; + let autoSubmit = false; + + if (this.hasReport) { + sendReport = document.getElementById("sendReport").checked; + if (sendReport) { + comments = document.getElementById("comments").value.trim(); + + includeURL = document.getElementById("includeURL").checked; + if (includeURL) { + URL = this.pageData.URL.trim(); + } + } + } + + let requestAutoSubmit = document.getElementById("requestAutoSubmit"); + if (requestAutoSubmit.hidden) { + // The checkbox is hidden if the user has already opted in to sending + // backlogged crash reports. + autoSubmit = true; + } else { + autoSubmit = document.getElementById("autoSubmit").checked; + } + + RPMSendAsyncMessage(messageName, { + sendReport, + comments, + includeURL, + URL, + autoSubmit, + hasReport: this.hasReport, + }); + }, +}; + +AboutTabCrashed.init(); |