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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
/* 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();