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Diffstat (limited to 'offapi/com/sun/star/ucb/ContentAction.idl')
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diff --git a/offapi/com/sun/star/ucb/ContentAction.idl b/offapi/com/sun/star/ucb/ContentAction.idl new file mode 100644 index 000000000..4e3127756 --- /dev/null +++ b/offapi/com/sun/star/ucb/ContentAction.idl @@ -0,0 +1,147 @@ +/* -*- 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 . + */ +#ifndef __com_sun_star_ucb_ContentAction_idl__ +#define __com_sun_star_ucb_ContentAction_idl__ + + + +module com { module sun { module star { module ucb { + +/** specifies actions which can be transported with content events. + + <p> + The situations under which contents will send ContentEvents of the various + action types are described below. The description is broken into a list of + useful definitions, a list of events that happen to contents, and a list of + reactions taken by contents in response to those events. + </p> + + <p> + The definitions are as follows: + </p> + + <table border =1> + <tr><td>D1</td><td>A content C has an identifier id(C).</td></tr> + <tr><td>D2</td><td>A content C is in one of two states, Alive or Deleted. + </td></tr> + <tr><td>D3</td><td>A folder content F has a set of children H(F) that is a + set of content identifiers. For example, an "open" + command will usually return a subset of the contents + denoted by H(F).</td></tr> + </table> + + <p> + The events that can happen to contents (and that are of interest in this + context) are listed next. Note that "event" here does not mean an + ContentEvent, but rather some event that occurs either because some content + processes a command, or because a content gets informed about a relevant + change in the underlying system it represents. + </p> + + <table border =1> + <tr><td>E1</td><td>The identifier of a content C changes from id1(C) == A + to id2(C) == B, denoted as E1(C: A->B). For example, + this event may occur when content C processes a + "setPropertyValues" command changing its "Title" property, + or when a folder that hierarchically contains C changes + its identity.</td></tr> + <tr><td>E2</td><td>The state of a content C changes from Alive to Deleted, + denoted as E2(C). For example, this event may occur when + content C processes a "delete" command, or when a content + representing an IMAP message gets informed by the IMAP + server that the message has been deleted.</td></tr> + <tr><td>E3</td><td>The set of children of a folder content F is enlarged by + some identifier A (that was not previously in that set, + i.e., !(A in H1(F)) && (A in H2(F))), denoted as E3(F, A). + For example, this event may occur when a new content + created at folder F processes its "insert" command, or + when a folder representing an IMAP mailbox gets informed + by the IMAP server that a new message has arrived at that + mailbox.</td></tr> + </table> + + <p> + Finally, the list of reactions taken by contents in response to the above + events gives a description of what kinds of ContentEvents are sent in which + situations: + </p> + + <table border =1> + <tr><td>R1</td><td>E1(C: A->B) results in C sending an EXCHANGED + ContentEvent, which then results in the following: All + folders F that used to have A as a child, but will not + have B as a child, i.e., (A in H1(F)) && !(B in H2(F)), + send a REMOVED ContentEvent.</td></tr> + <tr><td>R2</td><td>E2(C) results in C sending a DELETED ContentEvent, + which then results in the following: All folders F that + used to have A as a child, but will not continue to have + A as a child, i.e., (A in H1(F)) && !(A in H2(F)), send + a REMOVED event.</td></tr> + <tr><td>R3</td><td>E3(F, A) results in F sending an INSERTED event.</td></tr> + </table> +*/ +published constants ContentAction +{ + /** A content was inserted into a folder content (i.e., while updating the + folder). + + <p>This action must be notified at the listeners of the folder content. + */ + const long INSERTED = 0; + + /** A content was removed from a folder content, but not physically + destroyed (i.e., due to rules just applied to the folder). + + <p>This action must be notified at the listeners of the folder content. + */ + const long REMOVED = 1; + + /** A content was physically destroyed. + + <p>Events containing this action may be generated at any time. So a + content event listener should be prepared to get notified the "death" + of the related content! + + <p>This action must be notified at the listeners of the deleted + content. + */ + const long DELETED = 2; + + /** This Action indicates that a content has changed its identity (i.e. + after renaming a file system folder). + + <p>This action must be notified at the listeners of the exchanged + content. + */ + const long EXCHANGED = 4; + + /** This is obsolete and should no longer be used. + + @deprecated + */ + const long SEARCH_MATCHED = 128; + +}; + + +}; }; }; }; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |