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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef SVTOOLS_SOURCE_FILEPICKER_FPSMARTCONTENT_HXX
#define SVTOOLS_SOURCE_FILEPICKER_FPSMARTCONTENT_HXX
#include "fpinteraction.hxx"
/** === begin UNO includes === **/
#include <com/sun/star/ucb/XCommandEnvironment.hpp>
#include <com/sun/star/task/XInteractionHandler.hpp>
/** === end UNO includes === **/
#include <ucbhelper/content.hxx>
//........................................................................
namespace svt
{
//........................................................................
//====================================================================
//= SmartContent
//====================================================================
/** a "smart content" which basically wraps an UCB content, but caches some informations
so that repeatedly recreating it may be faster
*/
class SmartContent
{
public:
enum State
{
NOT_BOUND, // never bound
UNKNOWN, // bound, but validity is unknown
VALID, // bound to an URL, and valid
INVALID // bound to an URL, and invalid
};
private:
::rtl::OUString m_sURL;
::ucbhelper::Content* m_pContent;
State m_eState;
::com::sun::star::uno::Reference < ::com::sun::star::ucb::XCommandEnvironment > m_xCmdEnv;
::com::sun::star::uno::Reference < ::com::sun::star::task::XInteractionHandler > m_xOwnInteraction;
::svt::OFilePickerInteractionHandler* m_pOwnInteraction;
private:
enum Type { Folder, Document };
/// checks if the currently bound content is a folder or document
sal_Bool implIs( const ::rtl::OUString& _rURL, Type _eType );
SmartContent( const SmartContent& _rSource ); // never implemented
SmartContent& operator=( const SmartContent& _rSource ); // never implemented
public:
SmartContent();
SmartContent( const ::rtl::OUString& _rInitialURL );
~SmartContent();
public:
/** create and set a specialized interaction handler at the internal used command environment.
@param eInterceptions
will be directly forwarded to OFilePickerInteractionHandler::enableInterceptions()
*/
void enableOwnInteractionHandler(::svt::OFilePickerInteractionHandler::EInterceptedInteractions eInterceptions);
/** disable the specialized interaction handler and use the global UI interaction handler only.
*/
void enableDefaultInteractionHandler();
/** return the internal used interaction handler object ...
Because this pointer will be valid only, if the uno object is hold
alive by it's uno reference (and this reference is set on the
command environment) we must return NULL, in case this environment does
not exist!
*/
::svt::OFilePickerInteractionHandler* getOwnInteractionHandler() const;
/** describes different types of interaction handlers
*/
enum InteractionHandlerType
{
IHT_NONE,
IHT_OWN,
IHT_DEFAULT
};
/** return the type of the internal used interaction handler object ...
@seealso InteractionHandlerType
*/
InteractionHandlerType queryCurrentInteractionHandler() const;
/** disable internal used interaction handler object ...
*/
void disableInteractionHandler();
/** returns the current state of the content
@seealso State
*/
inline State getState( ) const { return m_eState; }
/** checks if the content is valid
<p>Note that "not (is valid)" is not the same as "is invalid"</p>
*/
inline sal_Bool isValid( ) const { return VALID == getState(); }
/** checks if the content is valid
<p>Note that "not (is invalid)" is not the same as "is valid"</p>
*/
inline sal_Bool isInvalid( ) const { return INVALID == getState(); }
/** checks if the content is bound
*/
inline sal_Bool isBound( ) const { return NOT_BOUND != getState(); }
/** returns the URL of the content
*/
inline ::rtl::OUString getURL() const { return m_pContent ? m_pContent->getURL() : m_sURL; }
/** (re)creates the content for the given URL
<p>Note that getState will return either UNKNOWN or INVALID after the call returns,
but never VALID. The reason is that there are content providers which allow to construct
content objects, even if the respective contents are not accessible. They tell about this
only upon working with the content object (e.g. when asking for the IsFolder).</p>
@postcond
<member>getState</member> does not return NOT_BOUND after the call returns
*/
void bindTo( const ::rtl::OUString& _rURL );
/** retrieves the title of the content
@precond
the content is bound and not invalid
*/
void getTitle( ::rtl::OUString& /* [out] */ _rTitle );
/** checks if the content has a parent folder
@precond
the content is bound and not invalid
*/
sal_Bool hasParentFolder( );
/** checks if sub folders below the content can be created
@precond
the content is bound and not invalid
*/
sal_Bool canCreateFolder( );
/** binds to the given URL, checks whether or not it refers to a folder
@postcond
the content is not in the state UNKNOWN
*/
inline sal_Bool isFolder( const ::rtl::OUString& _rURL )
{
return implIs( _rURL, Folder );
}
/** binds to the given URL, checks whether or not it refers to a document
@postcond
the content is not in the state UNKNOWN
*/
inline sal_Bool isDocument( const ::rtl::OUString& _rURL )
{
return implIs( _rURL, Document );
}
/** checks if the content is existent (it is if and only if it is a document or a folder)
*/
inline sal_Bool is( const ::rtl::OUString& _rURL )
{
return implIs( _rURL, Folder ) || implIs( _rURL, Document );
}
inline sal_Bool isFolder( ) { return isFolder( getURL() ); }
inline sal_Bool isDocument( ) { return isDocument( getURL() ); }
inline sal_Bool is( ) { return is( getURL() ); }
};
//........................................................................
} // namespace svt
//........................................................................
#endif // SVTOOLS_SOURCE_FILEPICKER_FPSMARTCONTENT_HXX
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