/usr/lib/thunderbird-addons/extensions/{a62ef8ec-5fdc-40c2-873c-223b8a6925cc}/modules/shim/Calendar.jsm is in xul-ext-gdata-provider 1:52.7.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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/. */
var EXPORTED_SYMBOLS = ["calendarShim", "gdataRegisterCalendar", "promisifyCalendar"];
Components.utils.import("resource://gdata-provider/modules/shim/Loader.jsm");
CuImport("resource://calendar/modules/calUtils.jsm", this);
CuImport("resource://gre/modules/PromiseUtils.jsm", this);
CuImport("resource://gre/modules/XPCOMUtils.jsm", this);
var cIOL = Components.interfaces.calIOperationListener;
var cICL = Components.interfaces.calIChangeLog;
var cIC = Components.interfaces.calICalendar;
/**
* Shim functions that can be injected into an object implementing calICalendar
* to make it compatible with older versions of Lightning
*/
var calendarShim = {
addItemOrUseCache: function(aItem, useCache, aListener) {
let newItem = aItem.clone();
return this.adoptItemOrUseCache(newItem, useCache, aListener);
},
adoptItemOrUseCache: function(aItem, useCache, aListener) {
let self = this;
let addOfflineListener = {
QueryInterface: XPCOMUtils.generateQI([Components.interfaces.calIOperationListener]),
onGetResult: function() {},
onOperationComplete: function(calendar, status, opType, id, detail) {
if (Components.isSuccessCode(status)) {
let storage = self.mOfflineStorage.QueryInterface(Components.interfaces.calIOfflineStorage);
storage.addOfflineItem(detail, aListener);
} else if (aListener) {
aListener.onOperationComplete(self, status, opType, id, detail);
}
}
};
let intermediateListener = {
QueryInterface: XPCOMUtils.generateQI([Components.interfaces.calIOperationListener]),
onGetResult: function() {},
onOperationComplete: function(aCalendar, aStatus, aOp, aId, aInnerItem) {
if (useCache) {
if (isUnavailableCode(aStatus)) {
self.mOfflineStorage.adoptItem(aInnerItem, addOfflineListener);
} else {
self.mOfflineStorage.addItem(aInnerItem, aListener);
}
} else {
aListener.onOperationComplete.apply(aListener, arguments);
}
}
};
return this.adoptItem(aItem, intermediateListener);
},
modifyItemOrUseCache: function modifyItemOrUseCache(aNewItem, aOldItem, useCache, aListener) {
let self = this;
let storage = this.mOfflineStorage.QueryInterface(Components.interfaces.calIOfflineStorage);
let modifyOfflineListener = {
QueryInterface: XPCOMUtils.generateQI([Components.interfaces.calIOperationListener]),
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
storage.modifyOfflineItem(detail, aListener);
}
};
let offlineFlagListener = {
QueryInterface: XPCOMUtils.generateQI([Components.interfaces.calIOperationListener]),
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
let offline_flag = detail;
if ((offline_flag == cICL.OFFLINE_FLAG_CREATED_RECORD ||
offline_flag == cICL.OFFLINE_FLAG_MODIFIED_RECORD) && useCache) {
storage.modifyItem(aNewItem, aOldItem, modifyOfflineListener);
} else {
self.modifyItem(aNewItem, aOldItem, aListener);
}
}
};
storage.getItemOfflineFlag(aOldItem, offlineFlagListener);
},
deleteItemOrUseCache: function deleteItemOrUseCache(aItem, useCache, aListener) {
let self = this;
let storage = this.mOfflineStorage.QueryInterface(Components.interfaces.calIOfflineStorage);
let deleteOfflineListener = {
QueryInterface: XPCOMUtils.generateQI([Components.interfaces.calIOperationListener]),
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
if (aListener) {
aListener.onOperationComplete(calendar, status, opType, aItem.id, aItem);
}
}
};
let offlineFlagListener = {
QueryInterface: XPCOMUtils.generateQI([Components.interfaces.calIOperationListener]),
onGetResult: function(calendar, status, itemType, detail, count, items) {},
onOperationComplete: function(calendar, status, opType, id, detail) {
let offline_flag = detail;
if ((offline_flag == cICL.OFFLINE_FLAG_CREATED_RECORD ||
offline_flag == cICL.OFFLINE_FLAG_MODIFIED_RECORD) && useCache) {
/* We do not delete the item from the cache, but mark it deleted */
storage.deleteOfflineItem(aItem, aListener);
} else {
self.deleteItem(aItem, aListener);
}
}
};
storage.getItemOfflineFlag(aItem, offlineFlagListener);
},
notifyPureOperationComplete: function(aListener, aStatus, aOpType, aId, aDetail) {
let protoComplete = this.__proto__.__proto__.notifyPureOperationComplete;
if (protoComplete) {
protoComplete.apply(this, arguments);
} else {
// Shim for older versions of Lightning
if (aListener) {
try {
aListener.onOperationComplete(this.superCalendar, aStatus, aOpType, aId, aDetail);
} catch (exc) {
cal.ERROR(exc);
}
}
}
}
};
/**
* Checks if the error code is a code that happens when there is a network
* error or similar, that would make the calendar temporarily unavailable.
*
* @param result The result code to check.
* @return True, if the code is an unavailable code.
*/
function isUnavailableCode(result) {
// Stolen from nserror.h
const NS_ERROR_MODULE_NETWORK = 6;
function NS_ERROR_GET_MODULE(code) {
return (((code >> 16) - 0x45) & 0x1fff);
}
if (NS_ERROR_GET_MODULE(result) == NS_ERROR_MODULE_NETWORK &&
!Components.isSuccessCode(result)) {
// This is a network error, which most likely means we should
// retry it some time.
return true;
}
// Other potential errors we want to retry with
switch (result) {
case Components.results.NS_ERROR_NOT_AVAILABLE:
return true;
default:
return false;
}
}
/**
* A replacement for calICalendarManager::registerCalendar, that allows
* registering calendars with an existing id. This is needed for backwards
* compatibility before Gecko 9.
*
* @param calendar The calendar to register
*/
function gdataRegisterCalendar(calendar) {
if (!calendar.id) {
calendar.id = cal.getUUID();
}
let branch = "calendar.registry." + calendar.id + ".";
cal.setPref(branch + "type", calendar.type);
cal.setPref(branch + "uri", calendar.uri.spec);
let calmgr = cal.getCalendarManager().wrappedJSObject;
let calCachedCalendar = Components.utils.getGlobalForObject(calmgr).calCachedCalendar;
if ((calendar.getProperty("cache.supported") !== false) &&
calendar.getProperty("cache.enabled")) {
calendar = new calCachedCalendar(calendar);
}
calmgr.setupCalendar(calendar);
Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefService)
.savePrefFile(null);
if (!calendar.getProperty("disabled") && calendar.canRefresh) {
calendar.refresh();
}
calmgr.notifyObservers("onCalendarRegistered", [calendar]);
}
/**
* Shim for calAsyncUtils' promsifyCalendar for Lightning before 3.5
*/
function promisifyCalendar(aCalendar) {
function promiseOperationListener(deferred) {
return {
QueryInterface: XPCOMUtils.generateQI([Components.interfaces.calIOperationListener]),
items: [],
itemStatus: Components.results.NS_OK,
onGetResult: function(aCalendar, aStatus, aItemType, aDetail,
aCount, aItems) {
this.itemStatus = aStatus;
if (Components.isSuccessCode(aStatus)) {
this.items = this.items.concat(aItems);
} else {
this.itemSuccess = aStatus;
}
},
onOperationComplete: function(aCalendar, aStatus, aOpType, aId, aDetail) {
if (!Components.isSuccessCode(aStatus)) {
// This function has failed, reject with the status
deferred.reject(aStatus)
} else if (!Components.isSuccessCode(this.itemStatus)) {
// onGetResult has failed, reject with its status
deferred.reject(this.itemStatus);
} else if (aOpType == cIOL.GET) {
// Success of a GET operation: resolve with array of
// resulting items.
deferred.resolve(this.items);
} else { /* ADD,MODIFY,DELETE: resolve with 1 item */
// Success of an ADD MODIFY or DELETE operation, resolve
// with the one item that was processed.
deferred.resolve(aDetail)
}
}
}
}
const promisifyProxyHandler = {
promiseOperation: function(target, name, args) {
let deferred = PromiseUtils.defer();
let listener = promiseOperationListener(deferred);
args.push(listener);
target[name].apply(target, args);
return deferred.promise;
},
get: function(target, name) {
switch (name) {
case "adoptItem":
case "addItem":
case "modifyItem":
case "deleteItem":
case "getItem":
case "getItems":
return function() {
return this.promiseOperation(target, name, Array.slice(arguments));
}.bind(this);
case "getAllItems":
return function() {
return this.promiseOperation(target, "getItems", [cIC.ITEM_FILTER_ALL_ITEMS, 0, null, null]);
}.bind(this);
default:
return target[name];
}
}
};
return {
// Backwards compat, we can use |new Proxy(aCalendar, promisifyProxyHandler);| in the future.
adoptItem: function(aItem) { return promisifyProxyHandler.get(aCalendar, "adoptItem").apply(this, arguments); },
addItem: function(aItem) { return promisifyProxyHandler.get(aCalendar, "addItem").apply(this, arguments); },
modifyItem: function(aItem) { return promisifyProxyHandler.get(aCalendar, "modifyItem").apply(this, arguments); },
deleteItem: function(aItem) { return promisifyProxyHandler.get(aCalendar, "deleteItem").apply(this, arguments); },
getItem: function(aItem) { return promisifyProxyHandler.get(aCalendar, "getItem").apply(this, arguments); },
getItems: function(aItems) { return promisifyProxyHandler.get(aCalendar, "getItems").apply(this, arguments); },
};
}
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