DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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 Mozilla Communicator client code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Alec Flett <alecf@netscape.com>
 *   Brian Nesse <bnesse@netscape.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 ***** */

#include "nsISupports.idl"
#include "nsIPrefBranch.idl"

%{C++
struct PrefTuple;
template<class E, class A> class nsTArray;
struct nsTArrayInfallibleAllocator;
%}

[ptr] native nsPreferencesArrayPtr(nsTArray<PrefTuple, nsTArrayInfallibleAllocator>);
[ptr] native nsPreferencePtr(PrefTuple);
[ptr] native nsPreferencePtrConst(const PrefTuple);

interface nsIFile;
interface nsILocalFile;

/**
 * The nsIPrefService interface is the main entry point into the back end
 * preferences management library. The preference service is directly
 * responsible for the management of the preferences files and also facilitates
 * access to the preference branch object which allows the direct manipulation
 * of the preferences themselves.
 *
 * @see nsIPrefBranch
 */

[scriptable, uuid(decb9cc7-c08f-4ea5-be91-a8fc637ce2d2)]
interface nsIPrefService : nsISupports
{
  /**
   * Called to read in the preferences specified in a user preference file.
   *
   * @param aFile The file to be read.
   *
   * @note
   * If nsnull is passed in for the aFile parameter the default preferences
   * file(s) [prefs.js, user.js] will be read and processed.
   *
   * @return NS_OK File was read and processed.
   * @return Other File failed to read or contained invalid data.
   *
   * @see savePrefFile
   * @see nsIFile
   */
  void readUserPrefs(in nsIFile aFile);

  /**
   * Called to completely flush and re-initialize the preferences system.
   *
   * @return NS_OK The preference service was re-initialized correctly.
   * @return Other The preference service failed to restart correctly.
   */
  void resetPrefs();

  /**
   * Called to reset all preferences with user set values back to the
   * application default values.
   *
   * @return NS_OK Always.
   */
  void resetUserPrefs();

  /**
   * Called to write current preferences state to a file.
   *
   * @param aFile The file to be written.
   *
   * @note
   * If nsnull is passed in for the aFile parameter the preference data is
   * written out to the current preferences file (usually prefs.js.)
   *
   * @return NS_OK File was written.
   * @return Other File failed to write.
   *
   * @see readUserPrefs
   * @see nsIFile
   */
  void savePrefFile(in nsIFile aFile);

  /**
   * Call to get a Preferences "Branch" which accesses user preference data.
   * Using a Set method on this object will always create or set a user
   * preference value. When using a Get method a user set value will be
   * returned if one exists, otherwise a default value will be returned.
   *
   * @param aPrefRoot The preference "root" on which to base this "branch".
   *                  For example, if the root "browser.startup." is used, the
   *                  branch will be able to easily access the preferences
   *                  "browser.startup.page", "browser.startup.homepage", or
   *                  "browser.startup.homepage_override" by simply requesting
   *                  "page", "homepage", or "homepage_override". nsnull or "" 
   *                  may be used to access to the entire preference "tree".
   *
   * @return nsIPrefBranch The object representing the requested branch.
   *
   * @see getDefaultBranch
   */
  nsIPrefBranch getBranch(in string aPrefRoot);

  /**
   * Call to get a Preferences "Branch" which accesses only the default 
   * preference data. Using a Set method on this object will always create or
   * set a default preference value. When using a Get method a default value
   * will always be returned.
   *
   * @param aPrefRoot The preference "root" on which to base this "branch".
   *                  For example, if the root "browser.startup." is used, the
   *                  branch will be able to easily access the preferences
   *                  "browser.startup.page", "browser.startup.homepage", or
   *                  "browser.startup.homepage_override" by simply requesting
   *                  "page", "homepage", or "homepage_override". nsnull or "" 
   *                  may be used to access to the entire preference "tree".
   *
   * @note
   * Few consumers will want to create default branch objects. Many of the
   * branch methods do nothing on a default branch because the operations only
   * make sense when applied to user set preferences.
   *
   * @return nsIPrefBranch The object representing the requested default branch.
   *
   * @see getBranch
   */
  nsIPrefBranch getDefaultBranch(in string aPrefRoot);

};

%{C++

#define NS_PREFSERVICE_CID                             \
  { /* {1cd91b88-1dd2-11b2-92e1-ed22ed298000} */       \
    0x91ca2441,                                        \
    0x050f,                                            \
    0x4f7c,                                            \
    { 0x9d, 0xf8, 0x75, 0xb4, 0x0e, 0xa4, 0x01, 0x56 } \
  }

#define NS_PREFSERVICE_CONTRACTID "@mozilla.org/preferences-service;1"
#define NS_PREFSERVICE_CLASSNAME "Preferences Server"

/**
 * Notification sent before reading the default user preferences files.
 */
#define NS_PREFSERVICE_READ_TOPIC_ID "prefservice:before-read-userprefs"

/**
 * Notification sent when resetPrefs has been called, but before the actual
 * reset process occurs.
 */
#define NS_PREFSERVICE_RESET_TOPIC_ID "prefservice:before-reset"

/**
 * Notification sent when after reading app-provided default
 * preferences, but before user profile override defaults or extension
 * defaults are loaded.
 */
#define NS_PREFSERVICE_APPDEFAULTS_TOPIC_ID "prefservice:after-app-defaults"

%}