/usr/share/idl/firefox/nsIContentPrefService.idl is in firefox-dev 11.0+build1-0ubuntu4.
This file is owned by root:root, with mode 0o644.
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* 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 Content Preferences (cpref).
*
* The Initial Developer of the Original Code is Mozilla.
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Myk Melez <myk@mozilla.org>
* Geoff Lankow <geoff@darktrojan.net>
*
* 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"
interface nsIVariant;
interface nsIPropertyBag2;
interface nsIContentURIGrouper;
interface mozIStorageConnection;
[scriptable, uuid(746c7a02-f6c1-4869-b434-7c8b86e60e61)]
interface nsIContentPrefObserver : nsISupports
{
/**
* Called when a content pref is set to a different value.
*
* @param aGroup the group to which the pref belongs, or null
* if it's a global pref (applies to all sites)
* @param aName the name of the pref that was set
* @param aValue the new value of the pref
*/
void onContentPrefSet(in AString aGroup, in AString aName, in nsIVariant aValue);
/**
* Called when a content pref is removed.
*
* @param aGroup the group to which the pref belongs, or null
* if it's a global pref (applies to all sites)
* @param aName the name of the pref that was removed
*/
void onContentPrefRemoved(in AString aGroup, in AString aName);
};
[scriptable, function, uuid(c1b3d6df-5373-4606-8494-8bcf14a7fc62)]
interface nsIContentPrefCallback : nsISupports
{
void onResult(in nsIVariant aResult);
};
[scriptable, uuid(0014e2b4-1bab-4946-9211-7d28fc8df4d7)]
interface nsIContentPrefService : nsISupports
{
/**
* Get a pref.
*
* Besides the regular string, integer, boolean, etc. values, this method
* may return null (nsIDataType::VTYPE_EMPTY), which means the pref is set
* to NULL in the database, as well as undefined (nsIDataType::VTYPE_VOID),
* which means there is no record for this pref in the database.
*
* This method can be called from content processes in electrolysis builds.
* We have a whitelist of values that can be read in such a way.
*
* @param aGroup the group for which to get the pref, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to get the global pref (applies to all sites)
* @param aName the name of the pref to get
* @param aCallback an optional nsIContentPrefCallback to receive the
* result. If desired, JavaScript callers can instead
* provide a function to call upon completion
*
* @returns the value of the pref
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
nsIVariant getPref(in nsIVariant aGroup, in AString aName,
[optional] in nsIContentPrefCallback aCallback);
/**
* Set a pref.
*
* This method can be called from content processes in electrolysis builds.
* We have a whitelist of values that can be set in such a way.
*
* @param aGroup the group for which to set the pref, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to set the global pref (applies to all sites)
* @param aName the name of the pref to set
* @param aValue the new value of the pref
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
void setPref(in nsIVariant aGroup, in AString aName, in nsIVariant aValue);
/**
* Check whether or not a pref exists.
*
* @param aGroup the group for which to check for the pref, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to check for the global pref (applies to all sites)
* @param aName the name of the pref to check for
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
boolean hasPref(in nsIVariant aGroup, in AString aName);
/**
* Check whether or not the value of a pref (or its non-existance) is cached.
*
* @param aGroup the group for which to check for the pref, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to check for the global pref (applies to all sites)
* @param aName the name of the pref to check for
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
boolean hasCachedPref(in nsIVariant aGroup, in AString aName);
/**
* Remove a pref.
*
* @param aGroup the group for which to remove the pref, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to remove the global pref (applies to all sites)
* @param aName the name of the pref to remove
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
void removePref(in nsIVariant aGroup, in AString aName);
/**
* Remove all grouped prefs. Useful for removing references to the sites
* the user has visited when the user clears their private data.
*/
void removeGroupedPrefs();
/**
* Remove all prefs with the given name.
*
* @param aName the setting name for which to remove prefs
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
void removePrefsByName(in AString aName);
/**
* Get the prefs that apply to the given site.
*
* @param aGroup the group for which to retrieve prefs, as an nsIURI
* from which the hostname will be used, a string
* (typically in the format of a hostname), or null
* to get the global prefs (apply to all sites)
*
* @returns a property bag of prefs
* @throws NS_ERROR_ILLEGAL_VALUE if aGroup is not a string, nsIURI, or null
*/
nsIPropertyBag2 getPrefs(in nsIVariant aGroup);
/**
* Get the prefs with the given name.
*
* @param aName the setting name for which to retrieve prefs
*
* @returns a property bag of prefs
* @throws NS_ERROR_ILLEGAL_VALUE if aName is null or an empty string
*/
nsIPropertyBag2 getPrefsByName(in AString aName);
/**
* Add an observer.
*
* @param aName the setting to observe, or null to add
* a generic observer that observes all settings
* @param aObserver the observer to add
*/
void addObserver(in AString aName, in nsIContentPrefObserver aObserver);
/**
* Remove an observer.
*
* @param aName the setting being observed, or null to remove
* a generic observer that observes all settings
* @param aObserver the observer to remove
*/
void removeObserver(in AString aName, in nsIContentPrefObserver aObserver);
/**
* The component that the service uses to determine the groups to which
* URIs belong. By default this is the "hostname grouper", which groups
* URIs by full hostname (a.k.a. site).
*/
readonly attribute nsIContentURIGrouper grouper;
/**
* The database connection to the content preferences database.
* Useful for accessing and manipulating preferences in ways that are caller-
* specific or for which there is not yet a generic method, although generic
* functionality useful to multiple callers should generally be added to this
* unfrozen interface. Also useful for testing the database creation
* and migration code.
*/
readonly attribute mozIStorageConnection DBConnection;
};
%{C++
// The contractID for the generic implementation built in to xpcom.
#define NS_CONTENT_PREF_SERVICE_CONTRACTID "@mozilla.org/content-pref/service;1"
%}
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