RetroZilla/extensions/java/xpcom/interfaces/IGRE.java

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Java XPCOM Bindings.
*
* The Initial Developer of the Original Code is IBM Corporation.
* Portions created by the Initial Developer are Copyright (C) 2006
* IBM Corporation. All Rights Reserved.
*
* Contributor(s):
* Javier Pedemonte (jhpedemonte@gmail.com)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.xpcom;
import java.io.File;
public interface IGRE {
/**
* Initializes libXUL for embedding purposes.
* <p>
* NOTE: This function must be called from the "main" thread.
* <p>
* NOTE: At the present time, this function may only be called once in
* a given process. Use <code>termEmbedding</code> to clean up and free
* resources allocated by <code>initEmbedding</code>.
*
* @param aLibXULDirectory The directory in which the libXUL shared library
* was found.
* @param aAppDirectory The directory in which the application components
* and resources can be found. This will map to
* the "resource:app" directory service key.
* @param aAppDirProvider A directory provider for the application. This
* provider will be aggregated by a libXUL provider
* which will provide the base required GRE keys.
*
* @throws XPCOMException if a failure occurred during initialization
*/
void initEmbedding(File aLibXULDirectory, File aAppDirectory,
IAppFileLocProvider aAppDirProvider) throws XPCOMException;
/**
* Terminates libXUL embedding.
* <p>
* NOTE: Release any references to XPCOM objects that you may be holding
* before calling this function.
*/
void termEmbedding();
/**
* Lock a profile directory using platform-specific semantics.
*
* @param aDirectory The profile directory to lock.
*
* @return A lock object. The directory will remain locked until the lock is
* released by invoking the <code>release</code> method, or by the
* termination of the JVM, whichever comes first.
*
* @throws XPCOMException if a failure occurred
*/
ProfileLock lockProfileDirectory(File aDirectory) throws XPCOMException;
/**
* Fire notifications to inform the toolkit about a new profile. This
* method should be called after <code>initEmbedding</code> if the
* embedder wishes to run with a profile.
* <p>
* Normally the embedder should call <code>lockProfileDirectory</code>
* to lock the directory before calling this method.
* <p>
* NOTE: There are two possibilities for selecting a profile:
* <ul>
* <li>
* Select the profile before calling <code>initEmbedding</code>.
* The aAppDirProvider object passed to <code>initEmbedding</code>
* should provide the NS_APP_USER_PROFILE_50_DIR key, and
* may also provide the following keys:
* <ul>
* <li>NS_APP_USER_PROFILE_LOCAL_50_DIR
* <li>NS_APP_PROFILE_DIR_STARTUP
* <li>NS_APP_PROFILE_LOCAL_DIR_STARTUP
* </ul>
* In this scenario <code>notifyProfile</code> should be called
* immediately after <code>initEmbedding</code>. Component
* registration information will be stored in the profile and
* JS components may be stored in the fastload cache.
* </li>
* <li>
* Select a profile some time after calling <code>initEmbedding</code>.
* In this case the embedder must install a directory service
* provider which provides NS_APP_USER_PROFILE_50_DIR and optionally
* NS_APP_USER_PROFILE_LOCAL_50_DIR. Component registration information
* will be stored in the application directory and JS components will not
* fastload.
* </li>
* </ul>
*/
void notifyProfile();
}