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183 lines
6.7 KiB
Plaintext
183 lines
6.7 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alec Flett <alecf@netscape.com>
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* Brian Nesse <bnesse@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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#include "nsIPrefBranch.idl"
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interface nsIFile;
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/**
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* The nsIPrefService interface is the main entry point into the back end
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* preferences management library. The preference service is directly
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* responsible for the management of the preferences files and also facilitates
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* access to the preference branch object which allows the direct manipulation
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* of the preferences themselves.
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*
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* @see nsIPrefBranch
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*
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* @status FROZEN
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*/
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[scriptable, uuid(decb9cc7-c08f-4ea5-be91-a8fc637ce2d2)]
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interface nsIPrefService : nsISupports
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{
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/**
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* Called to read in the preferences specified in a user preference file.
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*
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* @param aFile The file to be read.
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*
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* @note
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* If nsnull is passed in for the aFile parameter the default preferences
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* file(s) [prefs.js, user.js] will be read and processed.
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*
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* @return NS_OK File was read and processed.
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* @return Other File failed to read or contained invalid data.
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*
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* @see savePrefFile
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* @see nsIFile
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*/
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void readUserPrefs(in nsIFile aFile);
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/**
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* Called to completely flush and re-initialize the preferences system.
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*
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* @return NS_OK The preference service was re-initialized correctly.
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* @return Other The preference service failed to restart correctly.
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*/
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void resetPrefs();
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/**
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* Called to reset all preferences with user set values back to the
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* application default values.
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*
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* @return NS_OK Always.
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*/
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void resetUserPrefs();
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/**
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* Called to write current preferences state to a file.
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*
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* @param aFile The file to be written.
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*
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* @note
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* If nsnull is passed in for the aFile parameter the preference data is
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* written out to the current preferences file (usually prefs.js.)
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*
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* @return NS_OK File was written.
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* @return Other File failed to write.
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*
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* @see readUserPrefs
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* @see nsIFile
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*/
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void savePrefFile(in nsIFile aFile);
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/**
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* Call to get a Preferences "Branch" which accesses user preference data.
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* Using a Set method on this object will always create or set a user
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* preference value. When using a Get method a user set value will be
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* returned if one exists, otherwise a default value will be returned.
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*
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* @param aPrefRoot The preference "root" on which to base this "branch".
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* For example, if the root "browser.startup." is used, the
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* branch will be able to easily access the preferences
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* "browser.startup.page", "browser.startup.homepage", or
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* "browser.startup.homepage_override" by simply requesting
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* "page", "homepage", or "homepage_override". nsnull or ""
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* may be used to access to the entire preference "tree".
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*
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* @return nsIPrefBranch The object representing the requested branch.
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*
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* @see getDefaultBranch
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*/
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nsIPrefBranch getBranch(in string aPrefRoot);
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/**
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* Call to get a Preferences "Branch" which accesses only the default
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* preference data. Using a Set method on this object will always create or
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* set a default preference value. When using a Get method a default value
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* will always be returned.
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*
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* @param aPrefRoot The preference "root" on which to base this "branch".
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* For example, if the root "browser.startup." is used, the
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* branch will be able to easily access the preferences
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* "browser.startup.page", "browser.startup.homepage", or
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* "browser.startup.homepage_override" by simply requesting
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* "page", "homepage", or "homepage_override". nsnull or ""
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* may be used to access to the entire preference "tree".
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*
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* @note
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* Few consumers will want to create default branch objects. Many of the
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* branch methods do nothing on a default branch because the operations only
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* make sense when applied to user set preferences.
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*
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* @return nsIPrefBranch The object representing the requested default branch.
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*
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* @see getBranch
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*/
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nsIPrefBranch getDefaultBranch(in string aPrefRoot);
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};
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%{C++
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#define NS_PREFSERVICE_CID \
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{ /* {1cd91b88-1dd2-11b2-92e1-ed22ed298000} */ \
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0x1cd91b88, \
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0x1dd2, \
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0x11b2, \
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{ 0x92, 0xe1, 0xed, 0x22, 0xed, 0x29, 0x80, 0x00 } \
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}
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#define NS_PREFSERVICE_CONTRACTID "@mozilla.org/preferences-service;1"
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#define NS_PREFSERVICE_CLASSNAME "Preferences Server"
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/**
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* Notification sent before reading the default user preferences files.
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*/
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#define NS_PREFSERVICE_READ_TOPIC_ID "prefservice:before-read-userprefs"
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/**
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* Notification sent when resetPrefs has been called, but before the actual
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* reset process occurs.
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*/
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#define NS_PREFSERVICE_RESET_TOPIC_ID "prefservice:before-reset"
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%}
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