diff options
Diffstat (limited to 'application/palemoon/components/migration/MigrationUtils.jsm')
| -rw-r--r-- | application/palemoon/components/migration/MigrationUtils.jsm | 644 |
1 files changed, 0 insertions, 644 deletions
diff --git a/application/palemoon/components/migration/MigrationUtils.jsm b/application/palemoon/components/migration/MigrationUtils.jsm deleted file mode 100644 index fcd73a798..000000000 --- a/application/palemoon/components/migration/MigrationUtils.jsm +++ /dev/null @@ -1,644 +0,0 @@ -/* 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.EXPORTED_SYMBOLS = ["MigrationUtils", "MigratorPrototype"]; - -const Cu = Components.utils; -const Ci = Components.interfaces; -const Cc = Components.classes; - -const TOPIC_WILL_IMPORT_BOOKMARKS = "initial-migration-will-import-default-bookmarks"; -const TOPIC_DID_IMPORT_BOOKMARKS = "initial-migration-did-import-default-bookmarks"; - -Cu.import("resource://gre/modules/XPCOMUtils.jsm"); -Cu.import("resource://gre/modules/Services.jsm"); - -XPCOMUtils.defineLazyModuleGetter(this, "Dict", - "resource://gre/modules/Dict.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils", - "resource://gre/modules/PlacesUtils.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "NetUtil", - "resource://gre/modules/NetUtil.jsm"); -XPCOMUtils.defineLazyModuleGetter(this, "BookmarkHTMLUtils", - "resource://gre/modules/BookmarkHTMLUtils.jsm"); - -let gMigrators = null; -let gProfileStartup = null; -let gMigrationBundle = null; - -function getMigrationBundle() { - if (!gMigrationBundle) { - gMigrationBundle = Services.strings.createBundle( - "chrome://browser/locale/migration/migration.properties"); - } - return gMigrationBundle; -} - -/** - * Figure out what is the default browser, and if there is a migrator - * for it, return that migrator's internal name. - * For the time being, the "internal name" of a migraotr is its contract-id - * trailer (e.g. ie for @mozilla.org/profile/migrator;1?app=browser&type=ie), - * but it will soon be exposed properly. - */ -function getMigratorKeyForDefaultBrowser() { - const APP_DESC_TO_KEY = { - "Internet Explorer": "ie", - "Safari": "safari", - "Pale Moon web browser": "firefox", - "Google Chrome": "chrome", // Windows, Linux - "Chrome": "chrome", // OS X - }; - - let browserDesc = ""; - try { - let browserDesc = - Cc["@mozilla.org/uriloader/external-protocol-service;1"]. - getService(Ci.nsIExternalProtocolService). - getApplicationDescription("http"); - return APP_DESC_TO_KEY[browserDesc] || ""; - } - catch(ex) { - Cu.reportError("Could not detect default browser: " + ex); - } - return ""; -} - -/** - * Shared prototype for migrators, implementing nsIBrowserProfileMigrator. - * - * To implement a migrator: - * 1. Import this module. - * 2. Create the prototype for the migrator, extending MigratorPrototype. - * Namely: MosaicMigrator.prototype = Object.create(MigratorPrototype); - * 3. Set classDescription, contractID and classID for your migrator, and set - * NSGetFactory appropriately. - * 4. If the migrator supports multiple profiles, override the sourceProfiles - * Here we default for single-profile migrator. - * 5. Implement getResources(aProfile) (see below). - * 6. If the migrator supports reading the home page of the source browser, - * override |sourceHomePageURL| getter. - * 7. For startup-only migrators, override |startupOnlyMigrator|. - */ -this.MigratorPrototype = { - QueryInterface: XPCOMUtils.generateQI([Ci.nsIBrowserProfileMigrator]), - - /** - * OVERRIDE IF AND ONLY IF the source supports multiple profiles. - * - * Returns array of profile objects from which data may be imported. The object - * should have the following keys: - * id - a unique string identifier for the profile - * name - a pretty name to display to the user in the UI - * - * Only profiles from which data can be imported should be listed. Otherwise - * the behavior of the migration wizard isn't well-defined. - * - * For a single-profile source (e.g. safari, ie), this returns null, - * and not an empty array. That is the default implementation. - */ - get sourceProfiles() null, - - /** - * MUST BE OVERRIDDEN. - * - * Returns an array of "migration resources" objects for the given profile, - * or for the "default" profile, if the migrator does not support multiple - * profiles. - * - * Each migration resource should provide: - * - a |type| getter, retunring any of the migration types (see - * nsIBrowserProfileMigrator). - * - * - a |migrate| method, taking a single argument, aCallback(bool success), - * for migrating the data for this resource. It may do its job - * synchronously or asynchronously. Either way, it must call - * aCallback(bool aSuccess) when it's done. In the case of an exception - * thrown from |migrate|, it's taken as if aCallback(false) is called. - * - * Note: In the case of a simple asynchronous implementation, you may find - * MigrationUtils.wrapMigrateFunction handy for handling aCallback easily. - * - * For each migration type listed in nsIBrowserProfileMigrator, multiple - * migration resources may be provided. This practice is useful when the - * data for a certain migration type is independently stored in few - * locations. For example, the mac version of Safari stores its "reading list" - * bookmarks in a separate property list. - * - * Note that the importation of a particular migration type is reported as - * successful if _any_ of its resources succeeded to import (that is, called, - * |aCallback(true)|). However, completion-status for a particular migration - * type is reported to the UI only once all of its migrators have called - * aCallback. - * - * @note The returned array should only include resources from which data - * can be imported. So, for example, before adding a resource for the - * BOOKMARKS migration type, you should check if you should check that the - * bookmarks file exists. - * - * @param aProfile - * The profile from which data may be imported, or an empty string - * in the case of a single-profile migrator. - * In the case of multiple-profiles migrator, it is guaranteed that - * aProfile is a value returned by the sourceProfiles getter (see - * above). - */ - getResources: function MP_getResources(aProfile) { - throw new Error("getResources must be overridden"); - }, - - /** - * OVERRIDE IF AND ONLY IF the migrator is a startup-only migrator (For now, - * that is just the Firefox migrator, see bug 737381). Default: false. - * - * Startup-only migrators are different in two ways: - * - they may only be used during startup. - * - the user-profile is half baked during migration. The folder exists, - * but it's only accessible through MigrationUtils.profileStartup. - * The migrator can call MigrationUtils.profileStartup.doStartup - * at any point in order to initialize the profile. - */ - get startupOnlyMigrator() false, - - /** - * OVERRIDE IF AND ONLY IF your migrator supports importing the homepage. - * @see nsIBrowserProfileMigrator - */ - get sourceHomePageURL() "", - - /** - * DO NOT OVERRIDE - After deCOMing migration, the UI will just call - * getResources. - * - * @see nsIBrowserProfileMigrator - */ - getMigrateData: function MP_getMigrateData(aProfile) { - let types = [r.type for each (r in this._getMaybeCachedResources(aProfile))]; - return types.reduce(function(a, b) a |= b, 0); - }, - - /** - * DO NOT OVERRIDE - After deCOMing migration, the UI will just call - * migrate for each resource. - * - * @see nsIBrowserProfileMigrator - */ - migrate: function MP_migrate(aItems, aStartup, aProfile) { - let resources = this._getMaybeCachedResources(aProfile); - if (resources.length == 0) - throw new Error("migrate called for a non-existent source"); - - if (aItems != Ci.nsIBrowserProfileMigrator.ALL) - resources = [r for each (r in resources) if (aItems & r.type)]; - - // Called either directly or through the bookmarks import callback. - function doMigrate() { - // TODO: use Map (for the items) and Set (for the resources) - // once they are iterable. - let resourcesGroupedByItems = new Dict(); - resources.forEach(function(resource) { - if (resourcesGroupedByItems.has(resource.type)) - resourcesGroupedByItems.get(resource.type).push(resource); - else - resourcesGroupedByItems.set(resource.type, [resource]); - }); - - if (resourcesGroupedByItems.count == 0) - throw new Error("No items to import"); - - let notify = function(aMsg, aItemType) { - Services.obs.notifyObservers(null, aMsg, aItemType); - } - - notify("Migration:Started"); - resourcesGroupedByItems.listkeys().forEach(function(migrationType) { - let migrationTypeA = migrationType; - let itemResources = resourcesGroupedByItems.get(migrationType); - notify("Migration:ItemBeforeMigrate", migrationType); - - let itemSuccess = false; - itemResources.forEach(function(resource) { - let resourceDone = function(aSuccess) { - let resourceIndex = itemResources.indexOf(resource); - if (resourceIndex != -1) { - itemResources.splice(resourceIndex, 1); - itemSuccess |= aSuccess; - if (itemResources.length == 0) { - resourcesGroupedByItems.del(migrationType); - notify(itemSuccess ? - "Migration:ItemAfterMigrate" : "Migration:ItemError", - migrationType); - if (resourcesGroupedByItems.count == 0) - notify("Migration:Ended"); - } - } - }; - - Services.tm.mainThread.dispatch(function() { - // If migrate throws, an error occurred, and the callback - // (itemMayBeDone) might haven't been called. - try { - resource.migrate(resourceDone); - } - catch(ex) { - Cu.reportError(ex); - resourceDone(false); - } - }, Ci.nsIThread.DISPATCH_NORMAL); - }); - }); - } - - if (MigrationUtils.isStartupMigration && !this.startupOnlyMigrator) { - MigrationUtils.profileStartup.doStartup(); - - // If we're about to migrate bookmarks, first import the default bookmarks. - // Note We do not need to do so for the Firefox migrator - // (=startupOnlyMigrator), as it just copies over the places database - // from another profile. - const BOOKMARKS = MigrationUtils.resourceTypes.BOOKMARKS; - let migratingBookmarks = resources.some(function(r) r.type == BOOKMARKS); - if (migratingBookmarks) { - let browserGlue = Cc["@mozilla.org/browser/browserglue;1"]. - getService(Ci.nsIObserver); - browserGlue.observe(null, TOPIC_WILL_IMPORT_BOOKMARKS, ""); - - // Note doMigrate doesn't care about the success of the import. - let onImportComplete = function() { - browserGlue.observe(null, TOPIC_DID_IMPORT_BOOKMARKS, ""); - doMigrate(); - }; - BookmarkHTMLUtils.importFromURL( - "resource:///defaults/profile/bookmarks.html", true).then( - onImportComplete, onImportComplete); - return; - } - } - doMigrate(); - }, - - /** - * DO NOT OVERRIDE - After deCOMing migration, this code - * won't be part of the migrator itself. - * - * @see nsIBrowserProfileMigrator - */ - get sourceExists() { - if (this.startupOnlyMigrator && !MigrationUtils.isStartupMigration) - return false; - - // For a single-profile source, check if any data is available. - // For multiple-profiles source, make sure that at least one - // profile is available. - let exists = false; - try { - let profiles = this.sourceProfiles; - if (!profiles) { - let resources = this._getMaybeCachedResources(""); - if (resources && resources.length > 0) - exists = true; - } - else { - exists = profiles.length > 0; - } - } - catch(ex) { - Cu.reportError(ex); - } - return exists; - }, - - /*** PRIVATE STUFF - DO NOT OVERRIDE ***/ - _getMaybeCachedResources: function PMB__getMaybeCachedResources(aProfile) { - let profileKey = aProfile ? aProfile.id : ""; - if (this._resourcesByProfile) { - if (profileKey in this._resourcesByProfile) - return this._resourcesByProfile[profileKey]; - } - else { - this._resourcesByProfile = { }; - } - return this._resourcesByProfile[profileKey] = this.getResources(aProfile); - } -}; - -this.MigrationUtils = Object.freeze({ - resourceTypes: { - SETTINGS: Ci.nsIBrowserProfileMigrator.SETTINGS, - COOKIES: Ci.nsIBrowserProfileMigrator.COOKIES, - HISTORY: Ci.nsIBrowserProfileMigrator.HISTORY, - FORMDATA: Ci.nsIBrowserProfileMigrator.FORMDATA, - PASSWORDS: Ci.nsIBrowserProfileMigrator.PASSWORDS, - BOOKMARKS: Ci.nsIBrowserProfileMigrator.BOOKMARKS, - OTHERDATA: Ci.nsIBrowserProfileMigrator.OTHERDATA - }, - - /** - * Helper for implementing simple asynchronous cases of migration resources' - * |migrate(aCallback)| (see MigratorPrototype). If your |migrate| method - * just waits for some file to be read, for example, and then migrates - * everything right away, you can wrap the async-function with this helper - * and not worry about notifying the callback. - * - * For example, instead of writing: - * setTimeout(function() { - * try { - * .... - * aCallback(true); - * } - * catch() { - * aCallback(false); - * } - * }, 0); - * - * You may write: - * setTimeout(MigrationUtils.wrapMigrateFunction(function() { - * if (importingFromMosaic) - * throw Cr.NS_ERROR_UNEXPECTED; - * }, aCallback), 0); - * - * ... and aCallback will be called with aSuccess=false when importing - * from Mosaic, or with aSuccess=true otherwise. - * - * @param aFunction - * the function that will be called sometime later. If aFunction - * throws when it's called, aCallback(false) is called, otherwise - * aCallback(true) is called. - * @param aCallback - * the callback function passed to |migrate|. - * @return the wrapped function. - */ - wrapMigrateFunction: function MU_wrapMigrateFunction(aFunction, aCallback) { - return function() { - let success = false; - try { - aFunction.apply(null, arguments); - success = true; - } - catch(ex) { - Cu.reportError(ex); - } - // Do not change this to call aCallback directly in try try & catch - // blocks, because if aCallback throws, we may end up calling aCallback - // twice. - aCallback(success); - } - }, - - /** - * Gets a string from the migration bundle. Shorthand for - * nsIStringBundle.GetStringFromName, if aReplacements isn't passed, or for - * nsIStringBundle.formatStringFromName if it is. - * - * This method also takes care of "bumped" keys (See bug 737381 comment 8 for - * details). - * - * @param aKey - * The key of the string to retrieve. - * @param aReplacemts - * [optioanl] Array of replacements to run on the retrieved string. - * @return the retrieved string. - * - * @see nsIStringBundle - */ - getLocalizedString: function MU_getLocalizedString(aKey, aReplacements) { - const OVERRIDES = { - "4_firefox": "4_firefox_history_and_bookmarks", - "64_firefox": "64_firefox_other" - }; - aKey = OVERRIDES[aKey] || aKey; - - if (aReplacements === undefined) - return getMigrationBundle().GetStringFromName(aKey); - return getMigrationBundle().formatStringFromName( - aKey, aReplacements, aReplacements.length); - }, - - /** - * Helper for creating a folder for imported bookmarks from a particular - * migration source. The folder is created at the end of the given folder. - * - * @param aSourceNameStr - * the source name (first letter capitalized). This is used - * for reading the localized source name from the migration - * bundle (e.g. if aSourceNameStr is Mosaic, this will try to read - * sourceNameMosaic from the migration bundle). - * @param aParentId - * the item-id of the folder in which the new folder should be - * created. - * @return the item-id of the new folder. - */ - createImportedBookmarksFolder: - function MU_createImportedBookmarksFolder(aSourceNameStr, aParentId) { - let source = this.getLocalizedString("sourceName" + aSourceNameStr); - let label = this.getLocalizedString("importedBookmarksFolder", [source]); - return PlacesUtils.bookmarks.createFolder( - aParentId, label, PlacesUtils.bookmarks.DEFAULT_INDEX); - }, - - get _migrators() gMigrators ? gMigrators : gMigrators = new Dict(), - - /* - * Returns the migrator for the given source, if any data is available - * for this source, or null otherwise. - * - * @param aKey internal name of the migration source. - * Supported values: ie (windows), - * safari (mac/windows), - * chrome (mac/windows/linux), - * firefox. - * - * If null is returned, either no data can be imported - * for the given migrator, or aMigratorKey is invalid (e.g. ie on mac, - * or mosaic everywhere). This method should be used rather than direct - * getService for future compatibility (see bug 718280). - * - * @return profile migrator implementing nsIBrowserProfileMigrator, if it can - * import any data, null otherwise. - */ - getMigrator: function MU_getMigrator(aKey) { - let migrator = null; - if (this._migrators.has(aKey)) { - migrator = this._migrators.get(aKey); - } - else { - try { - migrator = Cc["@mozilla.org/profile/migrator;1?app=browser&type=" + - aKey].createInstance(Ci.nsIBrowserProfileMigrator); - } - catch(ex) { } - this._migrators.set(aKey, migrator); - } - - return migrator && migrator.sourceExists ? migrator : null; - }, - - // Iterates the available migrators, in the most suitable - // order for the running platform. - get migrators() { - let migratorKeysOrdered = [ -#ifdef XP_WIN - "firefox", "ie", "chrome", "safari" -#elifdef XP_MACOSX - "firefox", "safari", "chrome" -#elifdef XP_UNIX - "firefox", "chrome" -#endif - ]; - - // If a supported default browser is found check it first - // so that the wizard defaults to import from that browser. - let defaultBrowserKey = getMigratorKeyForDefaultBrowser(); - if (defaultBrowserKey) - migratorKeysOrdered.sort(function (a, b) b == defaultBrowserKey ? 1 : 0); - - for (let migratorKey of migratorKeysOrdered) { - let migrator = this.getMigrator(migratorKey); - if (migrator) - yield migrator; - } - }, - - // Whether or not we're in the process of startup migration - get isStartupMigration() gProfileStartup != null, - - /** - * In the case of startup migration, this is set to the nsIProfileStartup - * instance passed to ProfileMigrator's migrate. - * - * @see showMigrationWizard - */ - get profileStartup() gProfileStartup, - - /** - * Show the migration wizard. On mac, this may just focus the wizard if it's - * already running, in which case aOpener and aParams are ignored. - * - * @param [optional] aOpener - * the window that asks to open the wizard. - * @param [optional] aParams - * arguments for the migration wizard, in the form of an nsIArray. - * This is passed as-is for the params argument of - * nsIWindowWatcher.openWindow. - */ - showMigrationWizard: - function MU_showMigrationWizard(aOpener, aParams) { - let features = "chrome,dialog,modal,centerscreen,titlebar,resizable=no"; -#ifdef XP_MACOSX - if (!this.isStartupMigration) { - let win = Services.wm.getMostRecentWindow("Browser:MigrationWizard"); - if (win) { - win.focus(); - return; - } - // On mac, the migration wiazrd should only be modal in the case of - // startup-migration. - features = "centerscreen,chrome,resizable=no"; - } -#endif - - Services.ww.openWindow(aOpener, - "chrome://browser/content/migration/migration.xul", - "_blank", - features, - aParams); - }, - - /** - * Show the migration wizard for startup-migration. This should only be - * called by ProfileMigrator (see ProfileMigrator.js), which implements - * nsIProfileMigrator. - * - * @param aProfileStartup - * the nsIProfileStartup instance provided to ProfileMigrator.migrate. - * @param [optional] aMigratorKey - * If set, the migration wizard will import from the corresponding - * migrator, bypassing the source-selection page. Otherwise, the - * source-selection page will be displayed, either with the default - * browser selected, if it could be detected and if there is a - * migrator for it, or with the first option selected as a fallback - * (The first option is hardcoded to be the most common browser for - * the OS we run on. See migration.xul). - * @param [optional] aProfileToMigrate - * If set, the migration wizard will import from the profile indicated. - * - * @throws if aMigratorKey is invalid or if it points to a non-existent - * source. - */ - startupMigration: - function MU_startupMigrator(aProfileStartup, aMigratorKey, aProfileToMigrate) { - if (!aProfileStartup) { - throw new Error("a profile-startup instance is required for startup-migration"); - } - gProfileStartup = aProfileStartup; - - let skipSourcePage = false, migrator = null, migratorKey = ""; - if (aMigratorKey) { - migrator = this.getMigrator(aMigratorKey); - if (!migrator) { - // aMigratorKey must point to a valid source, so, if it doesn't - // cleanup and throw. - this.finishMigration(); - throw new Error("startMigration was asked to open auto-migrate from " + - "a non-existent source: " + aMigratorKey); - } - migratorKey = aMigratorKey; - skipSourcePage = true; - } - else { - let defaultBrowserKey = getMigratorKeyForDefaultBrowser(); - if (defaultBrowserKey) { - migrator = this.getMigrator(defaultBrowserKey); - if (migrator) - migratorKey = defaultBrowserKey; - } - } - - if (!migrator) { - // If there's no migrator set so far, ensure that there is at least one - // migrator available before opening the wizard. - try { - this.migrators.next(); - } - catch(ex) { - this.finishMigration(); - if (!(ex instanceof StopIteration)) - throw ex; - return; - } - } - - let params = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray); - let keyCSTR = Cc["@mozilla.org/supports-cstring;1"]. - createInstance(Ci.nsISupportsCString); - keyCSTR.data = migratorKey; - let skipImportSourcePageBool = Cc["@mozilla.org/supports-PRBool;1"]. - createInstance(Ci.nsISupportsPRBool); - skipImportSourcePageBool.data = skipSourcePage; - let profileToMigrate = null; - if (aProfileToMigrate) { - profileToMigrate = Cc["@mozilla.org/supports-string;1"]. - createInstance(Ci.nsISupportsString); - profileToMigrate.data = aProfileToMigrate; - } - params.appendElement(keyCSTR, false); - params.appendElement(migrator, false); - params.appendElement(aProfileStartup, false); - params.appendElement(skipImportSourcePageBool, false); - params.appendElement(profileToMigrate, false); - - this.showMigrationWizard(null, params); - }, - - /** - * Cleans up references to migrators and nsIProfileInstance instances. - */ - finishMigration: function MU_finishMigration() { - gMigrators = null; - gProfileStartup = null; - gMigrationBundle = null; - } -}); |