diff options
| author | Daniel Narvaez <dwnarvaez@gmail.com> | 2013-02-06 13:49:14 (GMT) |
|---|---|---|
| committer | Daniel Narvaez <dwnarvaez@gmail.com> | 2013-02-06 13:49:14 (GMT) |
| commit | 821413607a0718156f9d25d895e89b1c3d37aa8b (patch) | |
| tree | 01c285af734ed5bba64b73b489e1e0226a94a262 /apps/system/js/crash_reporter.js | |
| parent | c110fb485b3af0066c6df7aeac8c055e9d767efa (diff) | |
Copy various bits from gaia
Diffstat (limited to 'apps/system/js/crash_reporter.js')
| -rw-r--r-- | apps/system/js/crash_reporter.js | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/apps/system/js/crash_reporter.js b/apps/system/js/crash_reporter.js new file mode 100644 index 0000000..4068291 --- /dev/null +++ b/apps/system/js/crash_reporter.js @@ -0,0 +1,140 @@ +/* -*- 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 + }; +})(); + |