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/* -*- Mode: js; js-indent-level: 2; indent-tabs-mode: nil -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
'use strict';
// This file calls getElementById without waiting for an onload event, so it
// must have a defer attribute or be included at the end of the <body>.
var CrashReporter = (function() {
var _ = navigator.mozL10n.get;
var settings = navigator.mozSettings;
var screen = document.getElementById('screen');
// The name of the app that just crashed.
var crashedAppName = '';
// Whether or not to show a "Report" button in the banner.
var showReportButton = false;
// Only show the "Report" button if the user hasn't set a preference to
// always/never report crashes.
SettingsListener.observe('app.reportCrashes', 'ask',
function handleCrashSetting(value) {
showReportButton = (value != 'always' && value != 'never');
});
// This function should only ever be called once.
function showDialog(crashID, isChrome) {
var title = isChrome ? _('crash-dialog-os2') :
_('crash-dialog-app', { name: crashedAppName });
document.getElementById('crash-dialog-title').textContent = title;
// "Don't Send Report" button in dialog
var noButton = document.getElementById('dont-send-report');
noButton.addEventListener('click', function onNoButtonClick() {
settings.createLock().set({'app.reportCrashes': 'never'});
removeDialog();
});
// "Send Report" button in dialog
var yesButton = document.getElementById('send-report');
yesButton.addEventListener('click', function onYesButtonClick() {
submitCrash(crashID);
if (checkbox.checked) {
settings.createLock().set({'app.reportCrashes': 'always'});
}
removeDialog();
});
var checkbox = document.getElementById('always-send');
checkbox.addEventListener('click', function onCheckboxClick() {
// Disable the "Don't Send Report" button if the "Always send..."
// checkbox is checked
noButton.disabled = this.checked;
});
// "What's in a crash report?" link
var crashInfoLink = document.getElementById('crash-info-link');
crashInfoLink.addEventListener('click', function onLearnMoreClick() {
var dialog = document.getElementById('crash-dialog');
document.getElementById('crash-reports-done').
addEventListener('click', function onDoneClick() {
this.removeEventListener('click', onDoneClick);
dialog.classList.remove('learn-more');
});
dialog.classList.add('learn-more');
});
screen.classList.add('crash-dialog');
}
// We can get rid of the dialog after it is shown once.
function removeDialog() {
screen.classList.remove('crash-dialog');
var dialog = document.getElementById('crash-dialog');
dialog.parentNode.removeChild(dialog);
}
function showBanner(crashID, isChrome) {
var message = isChrome ? _('crash-banner-os2') :
_('crash-banner-app', { name: crashedAppName });
var button = null;
if (showReportButton) {
button = {
label: _('crash-banner-report'),
callback: function reportCrash() {
submitCrash(crashID);
}
};
}
SystemBanner.show(message, button);
}
function submitCrash(crashID) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('mozContentEvent', true, true, {
type: 'submit-crash',
crashID: crashID
});
window.dispatchEvent(event);
}
// - Show a dialog only the first time there's a crash to report.
// - On subsequent crashes, show a banner letting the user know there was a
// crash.
// - If the user hasn't set a pref, add a "Report" button to the banner.
function handleCrash(crashID, isChrome) {
// Check to see if we should show a dialog.
var dialogReq = settings.createLock().get('crashReporter.dialogShown');
dialogReq.onsuccess = function dialogShownSuccess() {
var dialogShown = dialogReq.result['crashReporter.dialogShown'];
if (!dialogShown) {
settings.createLock().set({'crashReporter.dialogShown': true});
showDialog(crashID, isChrome);
} else {
showBanner(crashID, isChrome);
}
};
}
// We depend on window_manager.js calling this function before
// we get a 'handle-crash' event from shell.js
function setAppName(name) {
crashedAppName = name;
}
// We will be notified of system crashes from shell.js
window.addEventListener('mozChromeEvent', function handleChromeEvent(e) {
if (e.detail.type == 'handle-crash') {
handleCrash(e.detail.crashID, e.detail.chrome);
}
});
return {
setAppName: setAppName
};
})();
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