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+/* 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/. */
+
+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() {
+ this.MESSAGES.forEach((msg) => addMessageListener(msg, this.receiveMessage.bind(this)));
+ 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;
+ }
+ case "input": {
+ this.onInput(event);
+ break;
+ }
+ }
+ },
+
+ onDOMContentLoaded() {
+ this.CLICK_TARGETS.forEach((targetID) => {
+ let el = document.getElementById(targetID);
+ el.addEventListener("click", this);
+ });
+
+ // For setting "emailMe" checkbox automatically on email value change.
+ document.getElementById("email").addEventListener("input", 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);
+
+ sendAsyncMessage("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;
+ }
+ }
+ },
+
+ onInput(event) {
+ switch (event.target.id) {
+ case "email": {
+ document.getElementById("emailMe").checked = !!event.target.value;
+ 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.
+ *
+ * emailMe (bool):
+ * Whether or not to send the email address of the user
+ * in the report.
+ *
+ * email (String):
+ * The email address of the user (empty if emailMe is false).
+ *
+ * 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;
+
+ if (data.requestEmail) {
+ document.getElementById("requestEmail").hidden = false;
+ document.getElementById("emailMe").checked = data.emailMe;
+ if (data.emailMe) {
+ document.getElementById("email").value = data.email;
+ }
+ }
+
+ 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 email = "";
+ let URL = "";
+ let sendReport = false;
+ let emailMe = 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();
+ }
+
+ if (!document.getElementById("requestEmail").hidden) {
+ emailMe = document.getElementById("emailMe").checked;
+ if (emailMe) {
+ email = document.getElementById("email").value.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;
+ }
+
+ sendAsyncMessage(messageName, {
+ sendReport,
+ comments,
+ email,
+ emailMe,
+ includeURL,
+ URL,
+ autoSubmit,
+ hasReport: this.hasReport,
+ });
+ },
+};
+
+AboutTabCrashed.init();