xref: /aoo42x/main/offapi/com/sun/star/ucb/HierarchyContentProvider.idl (revision d1766043)

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#ifndef __com_sun_star_ucb_HierarchyContentProvider_idl__
#define __com_sun_star_ucb_HierarchyContentProvider_idl__

#ifndef __com_sun_star_ucb_XContentProvider_idl__
#include <com/sun/star/ucb/XContentProvider.idl>
#endif

//=============================================================================

module com { module sun { module star { module ucb {

//=============================================================================
/** The Hierarchy Content Provider (HCP) implements a
    <type>ContentProvider</type> for the <type>UniversalContentBroker</type>
	(UCB).

	<p>It provides access to a persistent, customizable hierarchy of contents
	(folders and links).

	@see com::sun::star::ucb::Content
*/
published service HierarchyContentProvider
{
	//-------------------------------------------------------------------------
	/** provides three types of contents: Link, Folder and Root Folder.

		<p>

		<b>HCP Contents</b>
		<ol>
		<li>
		A HCP Link (<type>HierarchyLinkContent</type>) is a content which
		points to another (UCB) content. It is always contained in HCP Folder.
		A HCP Link has no children.
		</li>
		<li>
		A HCP Folder (<type>HierarchyFolderContent</type>) is a container for
		other HCP Folders and HCP Links.
		</li>
		<li>
		There is at most one instance of a HCP Root Folder
		( <type>HierarchyRootFolderContent</type> ) at a time.
		All other HCP contents are children of this folder. The HCP Root
		Folder can contain HCP Folders and HCP Links. It has the URL
		"vnd.sun.star.hier:/".
		</li>
		</ol>

		<p><b>URL Scheme for HCP Contents</b>

		<p>Each HCP content has an identifier corresponding to the following
		scheme:

		<ul>
		<li>
			vnd.sun.star.hier:/&lt;path&gt;, where &lt;path&gt; is a
			hierarchical path of the form &lt;name&gt;/.../&lt;name&gt; and
			where &lt;name&gt; is a string encoded according to the URL
			conventions.
		</li>
		</ul>

		<p>Examples:

		<ul>
		<li>
		vnd.sun.star.hier:/ (The URL of the HCP Root Folder)
		</li>
		<li>
		vnd.sun.star.hier:/Bookmarks/Sun%20Microsystems%20Home%20Page
		</li>
		<li>
		vnd.sun.star.hier:/Workplace/Printers
		</li>
		</ul>

		</p>
	 */
	interface com::sun::star::ucb::XContentProvider;
};

//=============================================================================

}; }; }; };

#endif