b2g/chrome/content/settings.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/b2g/chrome/content/settings.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,747 @@
     1.4 +/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
     1.5 +/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
     1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.9 +
    1.10 +"use strict;"
    1.11 +
    1.12 +const Cc = Components.classes;
    1.13 +const Ci = Components.interfaces;
    1.14 +const Cu = Components.utils;
    1.15 +const Cr = Components.results;
    1.16 +
    1.17 +Cu.import('resource://gre/modules/XPCOMUtils.jsm');
    1.18 +Cu.import('resource://gre/modules/Services.jsm');
    1.19 +
    1.20 +#ifdef MOZ_WIDGET_GONK
    1.21 +XPCOMUtils.defineLazyGetter(this, "libcutils", function () {
    1.22 +  Cu.import("resource://gre/modules/systemlibs.js");
    1.23 +  return libcutils;
    1.24 +});
    1.25 +#endif
    1.26 +
    1.27 +XPCOMUtils.defineLazyServiceGetter(this, "uuidgen",
    1.28 +                                   "@mozilla.org/uuid-generator;1",
    1.29 +                                   "nsIUUIDGenerator");
    1.30 +
    1.31 +// Once Bug 731746 - Allow chrome JS object to implement nsIDOMEventTarget
    1.32 +// is resolved this helper could be removed.
    1.33 +var SettingsListener = {
    1.34 +  _callbacks: {},
    1.35 +
    1.36 +  init: function sl_init() {
    1.37 +    if ('mozSettings' in navigator && navigator.mozSettings) {
    1.38 +      navigator.mozSettings.onsettingchange = this.onchange.bind(this);
    1.39 +    }
    1.40 +  },
    1.41 +
    1.42 +  onchange: function sl_onchange(evt) {
    1.43 +    var callback = this._callbacks[evt.settingName];
    1.44 +    if (callback) {
    1.45 +      callback(evt.settingValue);
    1.46 +    }
    1.47 +  },
    1.48 +
    1.49 +  observe: function sl_observe(name, defaultValue, callback) {
    1.50 +    var settings = window.navigator.mozSettings;
    1.51 +    if (!settings) {
    1.52 +      window.setTimeout(function() { callback(defaultValue); });
    1.53 +      return;
    1.54 +    }
    1.55 +
    1.56 +    if (!callback || typeof callback !== 'function') {
    1.57 +      throw new Error('Callback is not a function');
    1.58 +    }
    1.59 +
    1.60 +    var req = settings.createLock().get(name);
    1.61 +    req.addEventListener('success', (function onsuccess() {
    1.62 +      callback(typeof(req.result[name]) != 'undefined' ?
    1.63 +        req.result[name] : defaultValue);
    1.64 +    }));
    1.65 +
    1.66 +    this._callbacks[name] = callback;
    1.67 +  }
    1.68 +};
    1.69 +
    1.70 +SettingsListener.init();
    1.71 +
    1.72 +// =================== Console ======================
    1.73 +
    1.74 +SettingsListener.observe('debug.console.enabled', true, function(value) {
    1.75 +  Services.prefs.setBoolPref('consoleservice.enabled', value);
    1.76 +  Services.prefs.setBoolPref('layout.css.report_errors', value);
    1.77 +});
    1.78 +
    1.79 +// =================== Languages ====================
    1.80 +SettingsListener.observe('language.current', 'en-US', function(value) {
    1.81 +  Services.prefs.setCharPref('general.useragent.locale', value);
    1.82 +
    1.83 +  let prefName = 'intl.accept_languages';
    1.84 +  if (Services.prefs.prefHasUserValue(prefName)) {
    1.85 +    Services.prefs.clearUserPref(prefName);
    1.86 +  }
    1.87 +
    1.88 +  let intl = '';
    1.89 +  try {
    1.90 +    intl = Services.prefs.getComplexValue(prefName,
    1.91 +                                          Ci.nsIPrefLocalizedString).data;
    1.92 +  } catch(e) {}
    1.93 +
    1.94 +  // Bug 830782 - Homescreen is in English instead of selected locale after
    1.95 +  // the first run experience.
    1.96 +  // In order to ensure the current intl value is reflected on the child
    1.97 +  // process let's always write a user value, even if this one match the
    1.98 +  // current localized pref value.
    1.99 +  if (!((new RegExp('^' + value + '[^a-z-_] *[,;]?', 'i')).test(intl))) {
   1.100 +    value = value + ', ' + intl;
   1.101 +  } else {
   1.102 +    value = intl;
   1.103 +  }
   1.104 +  Services.prefs.setCharPref(prefName, value);
   1.105 +
   1.106 +  if (shell.hasStarted() == false) {
   1.107 +    shell.start();
   1.108 +  }
   1.109 +});
   1.110 +
   1.111 +// =================== RIL ====================
   1.112 +(function RILSettingsToPrefs() {
   1.113 +  let strPrefs = ['ril.mms.mmsc', 'ril.mms.mmsproxy'];
   1.114 +  strPrefs.forEach(function(key) {
   1.115 +    SettingsListener.observe(key, "", function(value) {
   1.116 +      Services.prefs.setCharPref(key, value);
   1.117 +    });
   1.118 +  });
   1.119 +
   1.120 +  ['ril.mms.mmsport'].forEach(function(key) {
   1.121 +    SettingsListener.observe(key, null, function(value) {
   1.122 +      if (value != null) {
   1.123 +        Services.prefs.setIntPref(key, value);
   1.124 +      }
   1.125 +    });
   1.126 +  });
   1.127 +
   1.128 +  // DSDS default service IDs
   1.129 +  ['mms', 'sms', 'telephony', 'voicemail'].forEach(function(key) {
   1.130 +    SettingsListener.observe('ril.' + key + '.defaultServiceId', 0,
   1.131 +                             function(value) {
   1.132 +      if (value != null) {
   1.133 +        Services.prefs.setIntPref('dom.' + key + '.defaultServiceId', value);
   1.134 +      }
   1.135 +    });
   1.136 +  });
   1.137 +})();
   1.138 +
   1.139 +//=================== DeviceInfo ====================
   1.140 +Components.utils.import('resource://gre/modules/XPCOMUtils.jsm');
   1.141 +Components.utils.import('resource://gre/modules/ctypes.jsm');
   1.142 +(function DeviceInfoToSettings() {
   1.143 +  // MOZ_B2G_VERSION is set in b2g/confvars.sh, and is output as a #define value
   1.144 +  // from configure.in, defaults to 1.0.0 if this value is not exist.
   1.145 +#filter attemptSubstitution
   1.146 +  let os_version = '@MOZ_B2G_VERSION@';
   1.147 +  let os_name = '@MOZ_B2G_OS_NAME@';
   1.148 +#unfilter attemptSubstitution
   1.149 +
   1.150 +  let appInfo = Cc["@mozilla.org/xre/app-info;1"]
   1.151 +                  .getService(Ci.nsIXULAppInfo);
   1.152 +
   1.153 +  // Get the hardware info and firmware revision from device properties.
   1.154 +  let hardware_info = null;
   1.155 +  let firmware_revision = null;
   1.156 +  let product_model = null;
   1.157 +#ifdef MOZ_WIDGET_GONK
   1.158 +    hardware_info = libcutils.property_get('ro.hardware');
   1.159 +    firmware_revision = libcutils.property_get('ro.firmware_revision');
   1.160 +    product_model = libcutils.property_get('ro.product.model');
   1.161 +#endif
   1.162 +
   1.163 +  let software = os_name + ' ' + os_version;
   1.164 +  let setting = {
   1.165 +    'deviceinfo.os': os_version,
   1.166 +    'deviceinfo.software': software,
   1.167 +    'deviceinfo.platform_version': appInfo.platformVersion,
   1.168 +    'deviceinfo.platform_build_id': appInfo.platformBuildID,
   1.169 +    'deviceinfo.hardware': hardware_info,
   1.170 +    'deviceinfo.firmware_revision': firmware_revision,
   1.171 +    'deviceinfo.product_model': product_model
   1.172 +  }
   1.173 +  window.navigator.mozSettings.createLock().set(setting);
   1.174 +})();
   1.175 +
   1.176 +// =================== DevTools ====================
   1.177 +
   1.178 +let developerHUD;
   1.179 +SettingsListener.observe('devtools.overlay', false, (value) => {
   1.180 +  if (value) {
   1.181 +    if (!developerHUD) {
   1.182 +      let scope = {};
   1.183 +      Services.scriptloader.loadSubScript('chrome://b2g/content/devtools.js', scope);
   1.184 +      developerHUD = scope.developerHUD;
   1.185 +    }
   1.186 +    developerHUD.init();
   1.187 +  } else {
   1.188 +    if (developerHUD) {
   1.189 +      developerHUD.uninit();
   1.190 +    }
   1.191 +  }
   1.192 +});
   1.193 +
   1.194 +// =================== Debugger / ADB ====================
   1.195 +
   1.196 +#ifdef MOZ_WIDGET_GONK
   1.197 +let AdbController = {
   1.198 +  DEBUG: false,
   1.199 +  locked: undefined,
   1.200 +  remoteDebuggerEnabled: undefined,
   1.201 +  lockEnabled: undefined,
   1.202 +  disableAdbTimer: null,
   1.203 +  disableAdbTimeoutHours: 12,
   1.204 +  umsActive: false,
   1.205 +
   1.206 +  debug: function(str) {
   1.207 +    dump("AdbController: " + str + "\n");
   1.208 +  },
   1.209 +
   1.210 +  setLockscreenEnabled: function(value) {
   1.211 +    this.lockEnabled = value;
   1.212 +    if (this.DEBUG) {
   1.213 +      this.debug("setLockscreenEnabled = " + this.lockEnabled);
   1.214 +    }
   1.215 +    this.updateState();
   1.216 +  },
   1.217 +
   1.218 +  setLockscreenState: function(value) {
   1.219 +    this.locked = value;
   1.220 +    if (this.DEBUG) {
   1.221 +      this.debug("setLockscreenState = " + this.locked);
   1.222 +    }
   1.223 +    this.updateState();
   1.224 +  },
   1.225 +
   1.226 +  setRemoteDebuggerState: function(value) {
   1.227 +    this.remoteDebuggerEnabled = value;
   1.228 +    if (this.DEBUG) {
   1.229 +      this.debug("setRemoteDebuggerState = " + this.remoteDebuggerEnabled);
   1.230 +    }
   1.231 +    this.updateState();
   1.232 +  },
   1.233 +
   1.234 +  startDisableAdbTimer: function() {
   1.235 +    if (this.disableAdbTimer) {
   1.236 +      this.disableAdbTimer.cancel();
   1.237 +    } else {
   1.238 +      this.disableAdbTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
   1.239 +      try {
   1.240 +        this.disableAdbTimeoutHours =
   1.241 +          Services.prefs.getIntPref("b2g.adb.timeout-hours");
   1.242 +      } catch (e) {
   1.243 +        // This happens if the pref doesn't exist, in which case
   1.244 +        // disableAdbTimeoutHours will still be set to the default.
   1.245 +      }
   1.246 +    }
   1.247 +    if (this.disableAdbTimeoutHours <= 0) {
   1.248 +      if (this.DEBUG) {
   1.249 +        this.debug("Timer to disable ADB not started due to zero timeout");
   1.250 +      }
   1.251 +      return;
   1.252 +    }
   1.253 +
   1.254 +    if (this.DEBUG) {
   1.255 +      this.debug("Starting timer to disable ADB in " +
   1.256 +                 this.disableAdbTimeoutHours + " hours");
   1.257 +    }
   1.258 +    let timeoutMilliseconds = this.disableAdbTimeoutHours * 60 * 60 * 1000;
   1.259 +    this.disableAdbTimer.initWithCallback(this, timeoutMilliseconds,
   1.260 +                                          Ci.nsITimer.TYPE_ONE_SHOT);
   1.261 +  },
   1.262 +
   1.263 +  stopDisableAdbTimer: function() {
   1.264 +    if (this.DEBUG) {
   1.265 +      this.debug("Stopping timer to disable ADB");
   1.266 +    }
   1.267 +    if (this.disableAdbTimer) {
   1.268 +      this.disableAdbTimer.cancel();
   1.269 +      this.disableAdbTimer = null;
   1.270 +    }
   1.271 +  },
   1.272 +
   1.273 +  notify: function(aTimer) {
   1.274 +    if (aTimer == this.disableAdbTimer) {
   1.275 +      this.disableAdbTimer = null;
   1.276 +      // The following dump will be the last thing that shows up in logcat,
   1.277 +      // and will at least give the user a clue about why logcat was
   1.278 +      // disconnected, if the user happens to be using logcat.
   1.279 +      dump("AdbController: ADB timer expired - disabling ADB\n");
   1.280 +      navigator.mozSettings.createLock().set(
   1.281 +        {'devtools.debugger.remote-enabled': false});
   1.282 +    }
   1.283 +  },
   1.284 +
   1.285 +  updateState: function() {
   1.286 +    this.umsActive = false;
   1.287 +    this.storages = navigator.getDeviceStorages('sdcard');
   1.288 +    this.updateStorageState(0);
   1.289 +  },
   1.290 +
   1.291 +  updateStorageState: function(storageIndex) {
   1.292 +    if (storageIndex >= this.storages.length) {
   1.293 +      // We've iterated through all of the storage objects, now we can
   1.294 +      // really do updateStateInternal.
   1.295 +      this.updateStateInternal();
   1.296 +      return;
   1.297 +    }
   1.298 +    let storage = this.storages[storageIndex];
   1.299 +    if (this.DEBUG) {
   1.300 +      this.debug("Checking availability of storage: '" +
   1.301 +                 storage.storageName);
   1.302 +    }
   1.303 +
   1.304 +    let req = storage.available();
   1.305 +    req.onsuccess = function(e) {
   1.306 +      if (this.DEBUG) {
   1.307 +        this.debug("Storage: '" + storage.storageName + "' is '" +
   1.308 +                   e.target.result);
   1.309 +      }
   1.310 +      if (e.target.result == 'shared') {
   1.311 +        // We've found a storage area that's being shared with the PC.
   1.312 +        // We can stop looking now.
   1.313 +        this.umsActive = true;
   1.314 +        this.updateStateInternal();
   1.315 +        return;
   1.316 +      }
   1.317 +      this.updateStorageState(storageIndex + 1);
   1.318 +    }.bind(this);
   1.319 +    req.onerror = function(e) {
   1.320 +      dump("AdbController: error querying storage availability for '" +
   1.321 +           this.storages[storageIndex].storageName + "' (ignoring)\n");
   1.322 +      this.updateStorageState(storageIndex + 1);
   1.323 +    }.bind(this);
   1.324 +  },
   1.325 +
   1.326 +  updateStateInternal: function() {
   1.327 +    if (this.DEBUG) {
   1.328 +      this.debug("updateStateInternal: called");
   1.329 +    }
   1.330 +
   1.331 +    if (this.remoteDebuggerEnabled === undefined ||
   1.332 +        this.lockEnabled === undefined ||
   1.333 +        this.locked === undefined) {
   1.334 +      // Part of initializing the settings database will cause the observers
   1.335 +      // to trigger. We want to wait until both have been initialized before
   1.336 +      // we start changing ther adb state. Without this then we can wind up
   1.337 +      // toggling adb off and back on again (or on and back off again).
   1.338 +      //
   1.339 +      // For completeness, one scenario which toggles adb is using the unagi.
   1.340 +      // The unagi has adb enabled by default (prior to b2g starting). If you
   1.341 +      // have the phone lock disabled and remote debugging enabled, then we'll
   1.342 +      // receive an unlock event and an rde event. However at the time we
   1.343 +      // receive the unlock event we haven't yet received the rde event, so
   1.344 +      // we turn adb off momentarily, which disconnects a logcat that might
   1.345 +      // be running. Changing the defaults (in AdbController) just moves the
   1.346 +      // problem to a different phone, which has adb disabled by default and
   1.347 +      // we wind up turning on adb for a short period when we shouldn't.
   1.348 +      //
   1.349 +      // By waiting until both values are properly initialized, we avoid
   1.350 +      // turning adb on or off accidentally.
   1.351 +      if (this.DEBUG) {
   1.352 +        this.debug("updateState: Waiting for all vars to be initialized");
   1.353 +      }
   1.354 +      return;
   1.355 +    }
   1.356 +
   1.357 +    // Check if we have a remote debugging session going on. If so, we won't
   1.358 +    // disable adb even if the screen is locked.
   1.359 +    let isDebugging = RemoteDebugger.isDebugging;
   1.360 +    if (this.DEBUG) {
   1.361 +      this.debug("isDebugging=" + isDebugging);
   1.362 +    }
   1.363 +
   1.364 +    // If USB Mass Storage, USB tethering, or a debug session is active,
   1.365 +    // then we don't want to disable adb in an automatic fashion (i.e.
   1.366 +    // when the screen locks or due to timeout).
   1.367 +    let sysUsbConfig = libcutils.property_get("sys.usb.config");
   1.368 +    let rndisActive = (sysUsbConfig.split(",").indexOf("rndis") >= 0);
   1.369 +    let usbFuncActive = rndisActive || this.umsActive || isDebugging;
   1.370 +
   1.371 +    let enableAdb = this.remoteDebuggerEnabled &&
   1.372 +      (!(this.lockEnabled && this.locked) || usbFuncActive);
   1.373 +
   1.374 +    let useDisableAdbTimer = true;
   1.375 +    try {
   1.376 +      if (Services.prefs.getBoolPref("marionette.defaultPrefs.enabled")) {
   1.377 +        // Marionette is enabled. Marionette requires that adb be on (and also
   1.378 +        // requires that remote debugging be off). The fact that marionette
   1.379 +        // is enabled also implies that we're doing a non-production build, so
   1.380 +        // we want adb enabled all of the time.
   1.381 +        enableAdb = true;
   1.382 +        useDisableAdbTimer = false;
   1.383 +      }
   1.384 +    } catch (e) {
   1.385 +      // This means that the pref doesn't exist. Which is fine. We just leave
   1.386 +      // enableAdb alone.
   1.387 +    }
   1.388 +    if (this.DEBUG) {
   1.389 +      this.debug("updateState: enableAdb = " + enableAdb +
   1.390 +                 " remoteDebuggerEnabled = " + this.remoteDebuggerEnabled +
   1.391 +                 " lockEnabled = " + this.lockEnabled +
   1.392 +                 " locked = " + this.locked +
   1.393 +                 " usbFuncActive = " + usbFuncActive);
   1.394 +    }
   1.395 +
   1.396 +    // Configure adb.
   1.397 +    let currentConfig = libcutils.property_get("persist.sys.usb.config");
   1.398 +    let configFuncs = currentConfig.split(",");
   1.399 +    let adbIndex = configFuncs.indexOf("adb");
   1.400 +
   1.401 +    if (enableAdb) {
   1.402 +      // Add adb to the list of functions, if not already present
   1.403 +      if (adbIndex < 0) {
   1.404 +        configFuncs.push("adb");
   1.405 +      }
   1.406 +    } else {
   1.407 +      // Remove adb from the list of functions, if present
   1.408 +      if (adbIndex >= 0) {
   1.409 +        configFuncs.splice(adbIndex, 1);
   1.410 +      }
   1.411 +    }
   1.412 +    let newConfig = configFuncs.join(",");
   1.413 +    if (newConfig != currentConfig) {
   1.414 +      if (this.DEBUG) {
   1.415 +        this.debug("updateState: currentConfig = " + currentConfig);
   1.416 +        this.debug("updateState:     newConfig = " + newConfig);
   1.417 +      }
   1.418 +      try {
   1.419 +        libcutils.property_set("persist.sys.usb.config", newConfig);
   1.420 +      } catch(e) {
   1.421 +        dump("Error configuring adb: " + e);
   1.422 +      }
   1.423 +    }
   1.424 +    if (useDisableAdbTimer) {
   1.425 +      if (enableAdb && !usbFuncActive) {
   1.426 +        this.startDisableAdbTimer();
   1.427 +      } else {
   1.428 +        this.stopDisableAdbTimer();
   1.429 +      }
   1.430 +    }
   1.431 +  }
   1.432 +};
   1.433 +
   1.434 +SettingsListener.observe("lockscreen.locked", false,
   1.435 +                         AdbController.setLockscreenState.bind(AdbController));
   1.436 +SettingsListener.observe("lockscreen.enabled", false,
   1.437 +                         AdbController.setLockscreenEnabled.bind(AdbController));
   1.438 +#endif
   1.439 +
   1.440 +// Keep the old setting to not break people that won't have updated
   1.441 +// gaia and gecko.
   1.442 +SettingsListener.observe('devtools.debugger.remote-enabled', false, function(value) {
   1.443 +  Services.prefs.setBoolPref('devtools.debugger.remote-enabled', value);
   1.444 +  // This preference is consulted during startup
   1.445 +  Services.prefs.savePrefFile(null);
   1.446 +  try {
   1.447 +    value ? RemoteDebugger.start() : RemoteDebugger.stop();
   1.448 +  } catch(e) {
   1.449 +    dump("Error while initializing devtools: " + e + "\n" + e.stack + "\n");
   1.450 +  }
   1.451 +
   1.452 +#ifdef MOZ_WIDGET_GONK
   1.453 +  AdbController.setRemoteDebuggerState(value);
   1.454 +#endif
   1.455 +});
   1.456 +
   1.457 +SettingsListener.observe('debugger.remote-mode', false, function(value) {
   1.458 +  if (['disabled', 'adb-only', 'adb-devtools'].indexOf(value) == -1) {
   1.459 +    dump('Illegal value for debugger.remote-mode: ' + value + '\n');
   1.460 +    return;
   1.461 +  }
   1.462 +
   1.463 +  Services.prefs.setBoolPref('devtools.debugger.remote-enabled',
   1.464 +                             value == 'adb-devtools');
   1.465 +  // This preference is consulted during startup
   1.466 +  Services.prefs.savePrefFile(null);
   1.467 +
   1.468 +  try {
   1.469 +    (value == 'adb-devtools') ? RemoteDebugger.start()
   1.470 +                              : RemoteDebugger.stop();
   1.471 +  } catch(e) {
   1.472 +    dump("Error while initializing devtools: " + e + "\n" + e.stack + "\n");
   1.473 +  }
   1.474 +
   1.475 +#ifdef MOZ_WIDGET_GONK
   1.476 +  AdbController.setRemoteDebuggerState(value != 'disabled');
   1.477 +#endif
   1.478 +});
   1.479 +
   1.480 +// =================== Device Storage ====================
   1.481 +SettingsListener.observe('device.storage.writable.name', 'sdcard', function(value) {
   1.482 +  if (Services.prefs.getPrefType('device.storage.writable.name') != Ci.nsIPrefBranch.PREF_STRING) {
   1.483 +    // We clear the pref because it used to be erroneously written as a bool
   1.484 +    // and we need to clear it before we can change it to have the correct type.
   1.485 +    Services.prefs.clearUserPref('device.storage.writable.name');
   1.486 +  }
   1.487 +  Services.prefs.setCharPref('device.storage.writable.name', value);
   1.488 +});
   1.489 +
   1.490 +// =================== Privacy ====================
   1.491 +SettingsListener.observe('privacy.donottrackheader.value', 1, function(value) {
   1.492 +  Services.prefs.setIntPref('privacy.donottrackheader.value', value);
   1.493 +  // If the user specifically disallows tracking, we set the value of
   1.494 +  // app.update.custom (update tracking ID) to an empty string.
   1.495 +  if (value == 1) {
   1.496 +    Services.prefs.setCharPref('app.update.custom', '');
   1.497 +    return;
   1.498 +  }
   1.499 +  // Otherwise, we assure that the update tracking ID exists.
   1.500 +  setUpdateTrackingId();
   1.501 +});
   1.502 +
   1.503 +// =================== Crash Reporting ====================
   1.504 +SettingsListener.observe('app.reportCrashes', 'ask', function(value) {
   1.505 +  if (value == 'always') {
   1.506 +    Services.prefs.setBoolPref('app.reportCrashes', true);
   1.507 +  } else if (value == 'never') {
   1.508 +    Services.prefs.setBoolPref('app.reportCrashes', false);
   1.509 +  } else {
   1.510 +    Services.prefs.clearUserPref('app.reportCrashes');
   1.511 +  }
   1.512 +  // This preference is consulted during startup.
   1.513 +  Services.prefs.savePrefFile(null);
   1.514 +});
   1.515 +
   1.516 +// ================ Updates ================
   1.517 +/**
   1.518 + * For tracking purposes some partners require us to add an UUID to the
   1.519 + * update URL. The update tracking ID will be an empty string if the
   1.520 + * do-not-track feature specifically disallows tracking and it is reseted
   1.521 + * to a different ID if the do-not-track value changes from disallow to allow.
   1.522 + */
   1.523 +function setUpdateTrackingId() {
   1.524 +  try {
   1.525 +    let dntEnabled = Services.prefs.getBoolPref('privacy.donottrackheader.enabled');
   1.526 +    let dntValue =  Services.prefs.getIntPref('privacy.donottrackheader.value');
   1.527 +    // If the user specifically decides to disallow tracking (1), we just bail out.
   1.528 +    if (dntEnabled && (dntValue == 1)) {
   1.529 +      return;
   1.530 +    }
   1.531 +
   1.532 +    let trackingId =
   1.533 +      Services.prefs.getPrefType('app.update.custom') ==
   1.534 +      Ci.nsIPrefBranch.PREF_STRING &&
   1.535 +      Services.prefs.getCharPref('app.update.custom');
   1.536 +
   1.537 +    // If there is no previous registered tracking ID, we generate a new one.
   1.538 +    // This should only happen on first usage or after changing the
   1.539 +    // do-not-track value from disallow to allow.
   1.540 +    if (!trackingId) {
   1.541 +      trackingId = uuidgen.generateUUID().toString().replace(/[{}]/g, "");
   1.542 +      Services.prefs.setCharPref('app.update.custom', trackingId);
   1.543 +    }
   1.544 +  } catch(e) {
   1.545 +    dump('Error getting tracking ID ' + e + '\n');
   1.546 +  }
   1.547 +}
   1.548 +setUpdateTrackingId();
   1.549 +
   1.550 +
   1.551 +// ================ Debug ================
   1.552 +(function Composer2DSettingToPref() {
   1.553 +  //layers.composer.enabled can be enabled in three ways
   1.554 +  //In order of precedence they are:
   1.555 +  //
   1.556 +  //1. mozSettings "layers.composer.enabled"
   1.557 +  //2. a gecko pref "layers.composer.enabled"
   1.558 +  //3. presence of ro.display.colorfill at the Gonk level
   1.559 +
   1.560 +  var req = navigator.mozSettings.createLock().get('layers.composer2d.enabled');
   1.561 +  req.onsuccess = function() {
   1.562 +    if (typeof(req.result['layers.composer2d.enabled']) === 'undefined') {
   1.563 +      var enabled = false;
   1.564 +      if (Services.prefs.getPrefType('layers.composer2d.enabled') == Ci.nsIPrefBranch.PREF_BOOL) {
   1.565 +        enabled = Services.prefs.getBoolPref('layers.composer2d.enabled');
   1.566 +      } else {
   1.567 +#ifdef MOZ_WIDGET_GONK
   1.568 +        enabled = (libcutils.property_get('ro.display.colorfill') === '1');
   1.569 +#endif
   1.570 +      }
   1.571 +      navigator.mozSettings.createLock().set({'layers.composer2d.enabled': enabled });
   1.572 +    }
   1.573 +
   1.574 +    SettingsListener.observe("layers.composer2d.enabled", true, function(value) {
   1.575 +      Services.prefs.setBoolPref("layers.composer2d.enabled", value);
   1.576 +    });
   1.577 +  };
   1.578 +  req.onerror = function() {
   1.579 +    dump("Error configuring layers.composer2d.enabled setting");
   1.580 +  };
   1.581 +
   1.582 +})();
   1.583 +
   1.584 +// ================ Accessibility ============
   1.585 +SettingsListener.observe("accessibility.screenreader", false, function(value) {
   1.586 +  if (value && !("AccessFu" in this)) {
   1.587 +    Cu.import('resource://gre/modules/accessibility/AccessFu.jsm');
   1.588 +    AccessFu.attach(window);
   1.589 +  }
   1.590 +});
   1.591 +
   1.592 +// ================ Theming ============
   1.593 +(function themingSettingsListener() {
   1.594 +  let themingPrefs = ['ui.menu', 'ui.menutext', 'ui.infobackground', 'ui.infotext',
   1.595 +                      'ui.window', 'ui.windowtext', 'ui.highlight'];
   1.596 +
   1.597 +  themingPrefs.forEach(function(pref) {
   1.598 +    SettingsListener.observe('gaia.' + pref, null, function(value) {
   1.599 +      if (value) {
   1.600 +        Services.prefs.setCharPref(pref, value);
   1.601 +      }
   1.602 +    });
   1.603 +  });
   1.604 +})();
   1.605 +
   1.606 +// =================== AsyncPanZoom ======================
   1.607 +SettingsListener.observe('apz.displayport.heuristics', 'default', function(value) {
   1.608 +  // first reset everything to default
   1.609 +  Services.prefs.clearUserPref('apz.velocity_bias');
   1.610 +  Services.prefs.clearUserPref('apz.use_paint_duration');
   1.611 +  Services.prefs.clearUserPref('apz.x_skate_size_multiplier');
   1.612 +  Services.prefs.clearUserPref('apz.y_skate_size_multiplier');
   1.613 +  Services.prefs.clearUserPref('apz.allow-checkerboarding');
   1.614 +  // and then set the things that we want to change
   1.615 +  switch (value) {
   1.616 +  case 'default':
   1.617 +    break;
   1.618 +  case 'center-displayport':
   1.619 +    Services.prefs.setCharPref('apz.velocity_bias', '0.0');
   1.620 +    break;
   1.621 +  case 'perfect-paint-times':
   1.622 +    Services.prefs.setBoolPref('apz.use_paint_duration', false);
   1.623 +    Services.prefs.setCharPref('apz.velocity_bias', '0.32'); // 16/50 (assumes 16ms paint times instead of 50ms)
   1.624 +    break;
   1.625 +  case 'taller-displayport':
   1.626 +    Services.prefs.setCharPref('apz.y_skate_size_multiplier', '3.5');
   1.627 +    break;
   1.628 +  case 'faster-paint':
   1.629 +    Services.prefs.setCharPref('apz.x_skate_size_multiplier', '1.0');
   1.630 +    Services.prefs.setCharPref('apz.y_skate_size_multiplier', '1.5');
   1.631 +    break;
   1.632 +  case 'no-checkerboard':
   1.633 +    Services.prefs.setBoolPref('apz.allow-checkerboarding', false);
   1.634 +    break;
   1.635 +  }
   1.636 +});
   1.637 +
   1.638 +// =================== Various simple mapping  ======================
   1.639 +let settingsToObserve = {
   1.640 +  'ril.mms.retrieval_mode': {
   1.641 +    prefName: 'dom.mms.retrieval_mode',
   1.642 +    defaultValue: 'manual'
   1.643 +  },
   1.644 +  'ril.sms.strict7BitEncoding.enabled': {
   1.645 +    prefName: 'dom.sms.strict7BitEncoding',
   1.646 +    defaultValue: false
   1.647 +  },
   1.648 +  'ril.sms.requestStatusReport.enabled': {
   1.649 +    prefName: 'dom.sms.requestStatusReport',
   1.650 +    defaultValue: false
   1.651 +  },
   1.652 +  'ril.mms.requestStatusReport.enabled': {
   1.653 +    prefName: 'dom.mms.requestStatusReport',
   1.654 +    defaultValue: false
   1.655 +  },
   1.656 +  'ril.mms.requestReadReport.enabled': {
   1.657 +    prefName: 'dom.mms.requestReadReport',
   1.658 +    defaultValue: true
   1.659 +  },
   1.660 +  'ril.cellbroadcast.disabled': false,
   1.661 +  'ril.radio.disabled': false,
   1.662 +  'wap.UAProf.url': '',
   1.663 +  'wap.UAProf.tagname': 'x-wap-profile',
   1.664 +  'devtools.eventlooplag.threshold': 100,
   1.665 +  'privacy.donottrackheader.enabled': false,
   1.666 +  'apz.force-enable': {
   1.667 +    prefName: 'dom.browser_frames.useAsyncPanZoom',
   1.668 +    defaultValue: false
   1.669 +  },
   1.670 +  'layers.enable-tiles': true,
   1.671 +  'layers.simple-tiles': false,
   1.672 +  'layers.progressive-paint': false,
   1.673 +  'layers.draw-tile-borders': false,
   1.674 +  'layers.dump': false,
   1.675 +  'debug.fps.enabled': {
   1.676 +    prefName: 'layers.acceleration.draw-fps',
   1.677 +    defaultValue: false
   1.678 +  },
   1.679 +  'debug.paint-flashing.enabled': {
   1.680 +    prefName: 'nglayout.debug.paint_flashing',
   1.681 +    defaultValue: false
   1.682 +  },
   1.683 +  'layers.draw-borders': false,
   1.684 +  'app.update.interval': 86400,
   1.685 +  'app.update.url': {
   1.686 +    resetToPref: true
   1.687 +  },
   1.688 +  'app.update.channel': {
   1.689 +    resetToPref: true
   1.690 +  },
   1.691 +  'debug.log-animations.enabled': {
   1.692 +    prefName: 'layers.offmainthreadcomposition.log-animations',
   1.693 +    defaultValue: false
   1.694 +  }
   1.695 +};
   1.696 +
   1.697 +for (let key in settingsToObserve) {
   1.698 +  let setting = settingsToObserve[key];
   1.699 +
   1.700 +  // Allow setting to contain flags redefining prefName and defaultValue.
   1.701 +  let prefName = setting.prefName || key;
   1.702 +  let defaultValue = setting.defaultValue;
   1.703 +  if (defaultValue === undefined) {
   1.704 +    defaultValue = setting;
   1.705 +  }
   1.706 +
   1.707 +  let prefs = Services.prefs;
   1.708 +
   1.709 +  // If requested, reset setting value and defaultValue to the pref value.
   1.710 +  if (setting.resetToPref) {
   1.711 +    switch (prefs.getPrefType(prefName)) {
   1.712 +      case Ci.nsIPrefBranch.PREF_BOOL:
   1.713 +        defaultValue = prefs.getBoolPref(prefName);
   1.714 +        break;
   1.715 +
   1.716 +      case Ci.nsIPrefBranch.PREF_INT:
   1.717 +        defaultValue = prefs.getIntPref(prefName);
   1.718 +        break;
   1.719 +
   1.720 +      case Ci.nsIPrefBranch.PREF_STRING:
   1.721 +        defaultValue = prefs.getCharPref(prefName);
   1.722 +        break;
   1.723 +    }
   1.724 +
   1.725 +    let setting = {};
   1.726 +    setting[key] = defaultValue;
   1.727 +    window.navigator.mozSettings.createLock().set(setting);
   1.728 +  }
   1.729 +
   1.730 +  // Figure out the right setter function for this type of pref.
   1.731 +  let setPref;
   1.732 +  switch (typeof defaultValue) {
   1.733 +    case 'boolean':
   1.734 +      setPref = prefs.setBoolPref.bind(prefs);
   1.735 +      break;
   1.736 +
   1.737 +    case 'number':
   1.738 +      setPref = prefs.setIntPref.bind(prefs);
   1.739 +      break;
   1.740 +
   1.741 +    case 'string':
   1.742 +      setPref = prefs.setCharPref.bind(prefs);
   1.743 +      break;
   1.744 +  }
   1.745 +
   1.746 +  SettingsListener.observe(key, defaultValue, function(value) {
   1.747 +    setPref(prefName, value);
   1.748 +  });
   1.749 +};
   1.750 +

mercurial