diff options
Diffstat (limited to 'apps/system/js/operator_variant/operator_variant.js')
| -rw-r--r-- | apps/system/js/operator_variant/operator_variant.js | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/apps/system/js/operator_variant/operator_variant.js b/apps/system/js/operator_variant/operator_variant.js new file mode 100644 index 0000000..13ad257 --- /dev/null +++ b/apps/system/js/operator_variant/operator_variant.js @@ -0,0 +1,168 @@ +/* -*- Mode: js; js-indent-level: 2; indent-tabs-mode: nil -*- */ +/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */ + +'use strict'; + +(function OperatorVariant() { + /** + * Get the mcc/mnc info that has been stored in the settings. + */ + + var settings = window.navigator.mozSettings; + if (!settings) + return; + + var iccSettings = { mcc: -1, mnc: -1 }; + + // Read the mcc/mnc settings, then trigger callback. + function getICCSettings(callback) { + var transaction = settings.createLock(); + var mccKey = 'operatorvariant.mcc'; + var mncKey = 'operatorvariant.mnc'; + + var mccRequest = transaction.get(mccKey); + mccRequest.onsuccess = function() { + iccSettings.mcc = parseInt(mccRequest.result[mccKey], 10) || 0; + var mncRequest = transaction.get(mncKey); + mncRequest.onsuccess = function() { + iccSettings.mnc = parseInt(mncRequest.result[mncKey], 10) || 0; + callback(); + }; + }; + } + + + /** + * Compare the cached mcc/mnc info with the one in the SIM card, + * and retrieve/apply APN settings if they differ. + */ + + var mobileConnection = window.navigator.mozMobileConnection; + if (!mobileConnection) + return; + + // Check the mcc/mnc information on the SIM card. + function checkICCInfo() { + if (!mobileConnection.iccInfo || mobileConnection.cardState !== 'ready') + return; + + // ensure that the iccSettings have been retrieved + if ((iccSettings.mcc < 0) || (iccSettings.mnc < 0)) + return; + + // XXX sometimes we get 0/0 for mcc/mnc, even when cardState === 'ready'... + var mcc = parseInt(mobileConnection.iccInfo.mcc, 10) || 0; + var mnc = parseInt(mobileConnection.iccInfo.mnc, 10) || 0; + if (!mcc || !mnc) + return; + + // same SIM card => do nothing + if ((mcc == iccSettings.mcc) && (mnc == iccSettings.mnc)) + return; + + // new SIM card => cache iccInfo, load and apply new APN settings + iccSettings.mcc = mcc; + iccSettings.mnc = mnc; + retrieveOperatorVariantSettings(applyOperatorVariantSettings); + }; + + // Load and query APN database, then trigger callback on results. + function retrieveOperatorVariantSettings(callback) { + var OPERATOR_VARIANT_FILE = 'shared/resources/apn.json'; + + var xhr = new XMLHttpRequest(); + xhr.open('GET', OPERATOR_VARIANT_FILE, true); + xhr.responseType = 'json'; + xhr.onreadystatechange = function() { + if (xhr.readyState == 4 && (xhr.status == 200 || xhr.status === 0)) { + var apn = xhr.response; + var mcc = iccSettings.mcc; + var mnc = iccSettings.mnc; + // get a list of matching APNs + var compatibleAPN = apn[mcc] ? (apn[mcc][mnc] || []) : []; + callback(compatibleAPN); + } + }; + xhr.send(); + } + + // Store APN settings for the first carrier matching the mcc/mnc info. + function applyOperatorVariantSettings(result) { + var apnPrefNames = { + 'default': { + 'ril.data.carrier': 'carrier', + 'ril.data.apn': 'apn', + 'ril.data.user': 'user', + 'ril.data.passwd': 'password', + 'ril.data.httpProxyHost': 'proxy', + 'ril.data.httpProxyPort': 'port' + }, + 'supl': { + 'ril.supl.carrier': 'carrier', + 'ril.supl.apn': 'apn', + 'ril.supl.user': 'user', + 'ril.supl.passwd': 'password', + 'ril.supl.httpProxyHost': 'proxy', + 'ril.supl.httpProxyPort': 'port' + }, + 'mms': { + 'ril.mms.carrier': 'carrier', + 'ril.mms.apn': 'apn', + 'ril.mms.user': 'user', + 'ril.mms.passwd': 'password', + 'ril.mms.httpProxyHost': 'proxy', + 'ril.mms.httpProxyPort': 'port', + 'ril.mms.mmsc': 'mmsc', + 'ril.mms.mmsproxy': 'mmsproxy', + 'ril.mms.mmsport': 'mmsport' + }, + 'operatorvariant': { + 'ril.iccInfo.mbdn': 'voicemail', + 'ril.sms.strict7BitEncoding.enabled': 'enableStrict7BitEncodingForSms', + 'ril.cellbroadcast.searchlist': 'cellBroadcastSearchList' + } + }; + + var booleanPrefNames = [ + 'ril.sms.strict7BitEncoding.enabled' + ]; + + // store relevant APN settings + var transaction = settings.createLock(); + for (var type in apnPrefNames) { + var apn = {}; + for (var i = 0; i < result.length; i++) { + if (result[i] && result[i].type.indexOf(type) != -1) { + apn = result[i]; + break; + } + } + var prefNames = apnPrefNames[type]; + for (var key in prefNames) { + var name = apnPrefNames[type][key]; + var item = {}; + if (booleanPrefNames.indexOf(key) != -1) { + item[key] = apn[name] || false; + } else { + item[key] = apn[name] || ''; + } + transaction.set(item); + } + } + + // store the current mcc/mnc info in the settings + transaction.set({ + 'operatorvariant.mcc': iccSettings.mcc, + 'operatorvariant.mnc': iccSettings.mnc + }); + } + + + /** + * Check the APN settings on startup and when the SIM card is changed. + */ + + getICCSettings(checkICCInfo); + mobileConnection.addEventListener('iccinfochange', checkICCInfo); +})(); + |