/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * 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/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
 */


module com { module sun { module star { module configuration { module backend {


/** receives a description of a configuration update or layer
    as a sequence of events.

    @since OOo 1.1.2
 */
published interface XUpdateHandler: ::com::sun::star::uno::XInterface
{

    /** receives notification that an update or description is started.

        @throws com::sun::star::configuration::backend::MalformedDataException
            if the update already was started

        @throws com::sun::star::lang::IllegalAccessException
            if the target layer is read-only
            <p><em>Some implementations can only detect this when executing
                XUpdateHandler::endUpdate()</em>
            </p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.
     */
    void startUpdate(  )
            raises( MalformedDataException,
                    com::sun::star::lang::IllegalAccessException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that the current update description is complete.

        <p> Must match a previous call to XUpdateHandler::startUpdate().
        </p>

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if no update is started at all</li>
            <li>if invalid data is detected in the update</li>
            <li>if there is an unfinished subnode in progress</li>
            <li>if the update tries to change read-only data</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::IllegalAccessException
            if the target layer is read-only

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.
     */
    void endUpdate(  )
            raises( MalformedDataException,
                    com::sun::star::lang::IllegalAccessException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that a modification of a node is started.

        <p> Subsequent calls describe changes to properties and items or
            members of the node until a matching call to
            XUpdateHandler::endNode() is encountered.
        </p>

        @param aName
            specifies the name of the node.

        @param aAttributes
            specifies attribute values to be applied to the node in the
            current layer.

            <p> The value is a combination of
                NodeAttribute flags.
            </p>
            <p> Only attributes which are selected in aAttributeMask
                are changed.
            </p>

        @param aAttributeMask
            specifies which attributes should be changed for the node.

            <p> The value is a combination of
                NodeAttribute flags.
            </p>

        @param bReset
            if `TRUE`, specifies that the node should be reset to its default
            state as given by lower layers and the schema or template prior
            to applying the changes.

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't an update in progress at all</li>
            <li>if a node is not valid in this place</li>
            <li>if there already was a change to that node</li>
            <li>if there is no node with that name</li>
            <li>if the node is read-only</li>
            <li>if the name is not a valid node name</li>
            <li>if the attributes or mask are not valid for the node</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::NodeAttribute
     */
    void modifyNode ( [in] string aName,
                      [in] short  aAttributes,
                      [in] short  aAttributeMask,
                      [in] boolean bReset )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that a node is started as a new item.

        <p> The current node must be a set and
            a preexisting item (if any) must be removable.
        </p>
        <p> The new item will be created from the default template
            of the set.
        </p>
        <p> Subsequent calls describe the difference from the template
            of properties, items or members of the node until a matching call
            to XUpdateHandler::endNode() is encountered.
        </p>

        @param aName
            specifies the name of the new item.

        @param aAttributes
            specifies attribute values to be applied to the new node.

            <p> The value is a combination of
                NodeAttribute flags.  Note that
                NodeAttribute::FUSE has an impact on the
                semantics of this method.
            </p>

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a set node in progress currently</li>
            <li>if there already was a change to an item of that name</li>
            <li>if the template for the new node is not found</li>
            <li>if an item of that name exists and is not removable</li>
            <li>if the name is not a valid item name</li>
            <li>if the attributes are not valid for the node</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::NodeAttribute
     */
    void addOrReplaceNode ( [in] string aName,
                            [in] short  aAttributes )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that a node is started as a new item
        based on a particular template.

        <p> The current node must be a set and
            a preexisting item (if any) must be removable.
        </p>
        <p> Subsequent calls describe the difference from the template
            of properties or members of the node until a matching call
            to XUpdateHandler::endNode() is encountered.
        </p>

        @param aName
            specifies the name of the item.

        @param aTemplate
            specifies the template to use for the new node

        @param aAttributes
            specifies attribute values to be applied to the new node.

            <p> The value is a combination of
                NodeAttribute flags.  Note that
                NodeAttribute::FUSE has an impact on the
                semantics of this method.
            </p>

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a set node in progress currently</li>
            <li>if there already was a change to an item of that name</li>
            <li>if the template for the new node is not found</li>
            <li>if an item of that name exists and is not removable</li>
            <li>if the name is not a valid item name</li>
            <li>if the template is not a valid item type for the containing set</li>
            <li>if the attributes are not valid for the node</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::NodeAttribute
     */
    void addOrReplaceNodeFromTemplate(  [in] string aName,
                                        [in] short  aAttributes,
                                        [in] TemplateIdentifier aTemplate )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that a node modification is complete.

        <p> Must match the last open call to
            XUpdateHandler::modifyNode(),
            XUpdateHandler::addOrReplaceNode() or
            XUpdateHandler::addOrReplaceNodeFromTemplate().
        </p>

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if invalid data is detected in the node</li>
            <li>if no node is started at all</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.
     */
    void endNode( )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that an item is to be dropped from a set.

        <p> The current node must be a set and
            the item must be removable.
        </p>

        @param aName
            specifies the name of the node.

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a set node in progress currently</li>
            <li>if there already was a change to a node of that name</li>
            <li>if there is no item with that name</li>
            <li>if the item is not removable</li>
            <li>if the name is not a valid node name</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.
     */
    void removeNode( [in] string aName )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that modification of an existing property is
        started.

        <p> Subsequent calls describe changes to the value(s)
            of the property until a matching call to
            XUpdateHandler::endProperty() is encountered.
        </p>

        @param aName
            specifies the name of the property.

        @param aAttributes
            specifies new attributes of the property.

            <p> The value is a combination of
                NodeAttribute flags.
            </p>
            <p> Only attributes which are selected in aAttributeMask are changed.
            </p>
            <p> NodeAttribute::MANDATORY need not be set
                and can't be removed, as dynamic properties always are mandatory
                in subsequent layers.
            </p>

        @param aAttributeMask
            specifies which attributes should be changed for the property.

            <p> The value is a combination of
                NodeAttribute flags.
            </p>

        @param aType
            specifies the type of the property.

            <p> A `VOID` type can be used to signify that
                the type is unknown and should not be recorded.
            </p>

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a group or extensible node in progress currently</li>
            <li>if there already was a change to a property of that name</li>
            <li>if there is no property with that name</li>
            <li>if the property is read-only</li>
            <li>if the name is not a valid property name</li>
            <li>if the attributes are not valid for the property</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::NodeAttribute
     */
    void modifyProperty( [in] string aName,
                          [in] short aAttributes,
                          [in] short aAttributeMask,
                         [in] type aType )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification about a change to the value of
        the current property.

        @param aValue
            specifies the new value of the property.

            <p> The value must match the type of the existing property.
                If the property does not have the
                SchemaAttribute::REQUIRED flag set,
                the value can be `VOID`.
            </p>

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a property modification in progress currently</li>
            <li>if there already was a change to this value</li>
            <li>if the type of the value is not an allowed type</li>
            <li>if the value is not valid for the property</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::NodeAttribute
     */
    void setPropertyValue( [in] any aValue )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification about a change to the value of
        the current property for a specific locale.

        @param aValue
            specifies the new value of the property for the given locale.

            <p> The value must match the type of the existing property.
                If the property does not have the
                SchemaAttribute::REQUIRED flag set,
                the value can be `VOID`.
            </p>

        @param aLocale
            specifies the locale that the new value applies to.

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a property modification in progress currently</li>
            <li>if the property is not localizable</li>
            <li>if there already was a change to this value</li>
            <li>if the type of the value is not an allowed type</li>
            <li>if the value is not valid for the property</li>
            <li>if the locale is not a valid locale name</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::NodeAttribute
     */
    void setPropertyValueForLocale( [in] any aValue, [in] string aLocale )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that the value of the current property
        should be reset to its default.

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a property modification in progress currently</li>
            <li>if there already was a change to this value</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::NodeAttribute
     */
    void resetPropertyValue( )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that the value of the current property
        for a specific locale should be reset to its default.

        @param aLocale
            specifies the locale the change applies to.

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a property modification in progress currently</li>
            <li>if the property is not localizable</li>
            <li>if there already was a change to this value</li>
            <li>if the locale is not a valid locale name</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::NodeAttribute
     */
    void resetPropertyValueForLocale( [in] string aLocale )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that a property modification is complete.

        <p> Must match the last open call to
            XUpdateHandler::modifyProperty().
        </p>

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if invalid data is detected in the property</li>
            <li>if no property is started at all</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.
     */
    void endProperty( )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that a property is reset to its default state.

        @param aName
            specifies the name of the property.

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a group or extensible node in progress currently</li>
            <li>if there already was a change to a property of that name</li>
            <li>if there is no property with that name, or if the property
                has no default</li>
            <li>if the property is read-only</li>
            <li>if the name is not a valid property name</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::NodeAttribute
     */
    void resetProperty( [in] string aName )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that a property having a value of `VOID`
        is added to the current node.

        <p> The current node must be extensible and
            a preexisting property (if any) must be
            removable in this layer.
        </p>

        @param aName
            specifies the name of the new property.

        @param aAttributes
            specifies the attributes of the new property.

            <p> The value is a combination of
                NodeAttribute flags and may also contain the
                SchemaAttribute::REQUIRED flag.
            </p>
            </p>
            <p> NodeAttribute::MANDATORY need not be set,
                as dynamic properties always are mandatory
                in subsequent layers.
            </p>

        @param aType
            specifies the type of the new property.

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a group or extensible node in progress currently</li>
            <li>if there already was a change to a property of that name</li>
            <li>if a property of that name exists and is not removable</li>
            <li>if the specified type is not allowed</li>
            <li>if the name is not a valid property name</li>
            <li>if the attributes are not valid for the property</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::SchemaAttribute
     */
    void addOrReplaceProperty( [in] string aName,
                                [in] short aAttributes,
                               [in] type aType )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that a property having a non-`NULL` value
        is added to the current node.

        <p> The current node must be extensible and
            a preexisting property (if any) must be
            removable in this layer.
        </p>

        @param aName
            specifies the name of the new property.

        @param aAttributes
            specifies the attributes of the new property.

            <p> The value is a combination of
                NodeAttribute flags and may also contain the
                SchemaAttribute::REQUIRED flag.
            </p>
            </p>
            <p> NodeAttribute::MANDATORY need not be set,
                as dynamic properties always are mandatory
                in subsequent layers.
            </p>

        @param aValue
            specifies the value of the new property.

            <p> The value also determines the type.
                Therefore the value must not be `VOID`.
            </p>

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a group or extensible node in progress currently</li>
            <li>if there already was a change to a property of that name</li>
            <li>if a property of that name exists and is not removable</li>
            <li>if the type of the value is not an allowed type,
                or if the value is `VOID`</li>
            <li>if the name is not a valid property name</li>
            <li>if the attributes are not valid for the property</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.

        @see com::sun::star::configuration::backend::SchemaAttribute
     */
    void addOrReplacePropertyWithValue( [in] string aName,
                                         [in] short aAttributes,
                                        [in] any aValue )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

    /** receives notification that a property is dropped from the current node.

        <p>The current node must be extensible and the property removable.</p>

        @param aName
            specifies the name of the property.

        @throws com::sun::star::configuration::backend::MalformedDataException
            <ul>
            <li>if there isn't a group or extensible node in progress currently</li>
            <li>if there is no property with that name</li>
            <li>if the property is not removable</li>
            <li>if the name is not a valid node name</li>
            </ul>
            <p><em>Not every implementation can detect each condition</em></p>

        @throws com::sun::star::lang::WrappedTargetException
            if an error occurs processing the event.
     */
    void removeProperty( [in] string aName )
            raises( MalformedDataException,
                    com::sun::star::lang::WrappedTargetException );

};


}; }; }; }; };


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