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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- /
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/* 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/. */
'use strict';
/**
* This code exists to be a "grab bag" of global code that needs to be
* loaded per B2G process, but doesn't need to directly interact with
* web content.
*
* (It's written as an XPCOM service because it needs to watch
* app-startup.)
*/
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;
Cu.import('resource://gre/modules/Services.jsm');
Cu.import('resource://gre/modules/XPCOMUtils.jsm');
XPCOMUtils.defineLazyServiceGetter(this, "settings",
"@mozilla.org/settingsService;1",
"nsISettingsService");
function debug(msg) {
log(msg);
}
function log(msg) {
// This file implements console.log(), so use dump().
//dump('ProcessGlobal: ' + msg + '\n');
}
function formatStackFrame(aFrame) {
let functionName = aFrame.functionName || '<anonymous>';
return ' at ' + functionName +
' (' + aFrame.filename + ':' + aFrame.lineNumber +
':' + aFrame.columnNumber + ')';
}
function ConsoleMessage(aMsg, aLevel) {
this.timeStamp = Date.now();
this.msg = aMsg;
switch (aLevel) {
case 'error':
case 'assert':
this.logLevel = Ci.nsIConsoleMessage.error;
break;
case 'warn':
this.logLevel = Ci.nsIConsoleMessage.warn;
break;
case 'log':
case 'info':
this.logLevel = Ci.nsIConsoleMessage.info;
break;
default:
this.logLevel = Ci.nsIConsoleMessage.debug;
break;
}
}
function toggleUnrestrictedDevtools(unrestricted) {
Services.prefs.setBoolPref("devtools.debugger.forbid-certified-apps",
!unrestricted);
Services.prefs.setBoolPref("dom.apps.developer_mode", unrestricted);
// TODO: Remove once bug 1125916 is fixed.
Services.prefs.setBoolPref("network.disable.ipc.security", unrestricted);
Services.prefs.setBoolPref("dom.webcomponents.enabled", unrestricted);
let lock = settings.createLock();
lock.set("developer.menu.enabled", unrestricted, null);
lock.set("devtools.unrestricted", unrestricted, null);
}
ConsoleMessage.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsIConsoleMessage]),
toString: function() { return this.msg; }
};
const gFactoryResetFile = "__post_reset_cmd__";
function ProcessGlobal() {}
ProcessGlobal.prototype = {
classID: Components.ID('{1a94c87a-5ece-4d11-91e1-d29c29f21b28}'),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
Ci.nsISupportsWeakReference]),
wipeDir: function(path) {
log("wipeDir " + path);
let dir = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
dir.initWithPath(path);
if (!dir.exists() || !dir.isDirectory()) {
return;
}
let entries = dir.directoryEntries;
while (entries.hasMoreElements()) {
let file = entries.getNext().QueryInterface(Ci.nsIFile);
log("Deleting " + file.path);
try {
file.remove(true);
} catch(e) {}
}
},
processCommandsFile: function(text) {
log("processCommandsFile " + text);
let lines = text.split("\n");
lines.forEach((line) => {
log(line);
let params = line.split(" ");
switch (params[0]) {
case "root":
log("unrestrict devtools");
toggleUnrestrictedDevtools(true);
break;
case "wipe":
this.wipeDir(params[1]);
case "normal":
log("restrict devtools");
toggleUnrestrictedDevtools(false);
break;
}
});
},
cleanupAfterFactoryReset: function() {
log("cleanupAfterWipe start");
Cu.import("resource://gre/modules/osfile.jsm");
let dir = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
dir.initWithPath("/persist");
var postResetFile = dir.exists() ?
OS.Path.join("/persist", gFactoryResetFile):
OS.Path.join("/cache", gFactoryResetFile);
let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
file.initWithPath(postResetFile);
if (!file.exists()) {
debug("No additional command.")
return;
}
let promise = OS.File.read(postResetFile);
promise.then(
(array) => {
file.remove(false);
let decoder = new TextDecoder();
this.processCommandsFile(decoder.decode(array));
},
function onError(error) {
debug("Error: " + error);
}
);
log("cleanupAfterWipe end.");
},
observe: function pg_observe(subject, topic, data) {
switch (topic) {
case 'app-startup': {
Services.obs.addObserver(this, 'console-api-log-event', false);
let inParent = Cc["@mozilla.org/xre/app-info;1"]
.getService(Ci.nsIXULRuntime)
.processType == Ci.nsIXULRuntime.PROCESS_TYPE_DEFAULT;
if (inParent) {
Services.ppmm.addMessageListener("getProfD", function(message) {
return Services.dirsvc.get("ProfD", Ci.nsIFile).path;
});
this.cleanupAfterFactoryReset();
}
break;
}
case 'console-api-log-event': {
// Pipe `console` log messages to the nsIConsoleService which
// writes them to logcat on Gonk.
let message = subject.wrappedJSObject;
let args = message.arguments;
let stackTrace = '';
if (message.stacktrace &&
(message.level == 'assert' || message.level == 'error' || message.level == 'trace')) {
stackTrace = Array.map(message.stacktrace, formatStackFrame).join('\n');
} else {
stackTrace = formatStackFrame(message);
}
if (stackTrace) {
args.push('\n' + stackTrace);
}
let msg = 'Content JS ' + message.level.toUpperCase() + ': ' + Array.join(args, ' ');
Services.console.logMessage(new ConsoleMessage(msg, message.level));
break;
}
}
},
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ProcessGlobal]);
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