forked from amazingfate/loongoffice
349 lines
11 KiB
C++
349 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "fpsmartcontent.hxx"
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#include <com/sun/star/container/XChild.hpp>
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#include <com/sun/star/task/InteractionHandler.hpp>
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#include <com/sun/star/ucb/ContentInfo.hpp>
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#include <com/sun/star/ucb/ContentInfoAttribute.hpp>
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#include <com/sun/star/ucb/XContent.hpp>
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#include <comphelper/processfactory.hxx>
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#include <ucbhelper/commandenvironment.hxx>
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#include <tools/solar.h>
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#include <tools/debug.hxx>
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namespace svt
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{
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::task;
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using namespace ::com::sun::star::ucb;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::container;
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//= SmartContent
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SmartContent::SmartContent()
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:m_pContent( NULL )
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,m_eState( NOT_BOUND )
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,m_pOwnInteraction( NULL )
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{
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}
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SmartContent::SmartContent( const OUString& _rInitialURL )
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:m_pContent( NULL )
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,m_eState( NOT_BOUND )
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,m_pOwnInteraction( NULL )
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{
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bindTo( _rInitialURL );
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}
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SmartContent::~SmartContent()
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{
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/* This destructor originally contained the following blurb: "Do
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not delete the content. Because the content will be used by
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the cache." This is just plain silly, because it relies on
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the provider caching created contents (which is done by
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ucbhelper::ContentProviderImplHelper, but we do not actually
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expect all providers to use that, right?) Otherwise we are
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just leaking memory.
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TODO: If there is real need for caching the content, it must
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be done here.
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*/
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delete m_pContent;
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}
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void SmartContent::enableOwnInteractionHandler(::svt::OFilePickerInteractionHandler::EInterceptedInteractions eInterceptions)
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{
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Reference< XComponentContext > xContext = ::comphelper::getProcessComponentContext();
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Reference< XInteractionHandler > xGlobalInteractionHandler(
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InteractionHandler::createWithParent(xContext, 0), UNO_QUERY_THROW );
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m_pOwnInteraction = new ::svt::OFilePickerInteractionHandler(xGlobalInteractionHandler);
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m_pOwnInteraction->enableInterceptions(eInterceptions);
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m_xOwnInteraction = m_pOwnInteraction;
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m_xCmdEnv = new ::ucbhelper::CommandEnvironment( m_xOwnInteraction, Reference< XProgressHandler >() );
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}
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void SmartContent::enableDefaultInteractionHandler()
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{
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// Don't free the memory here! It will be done by the next
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// call automatically - releasing of the uno reference ...
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m_pOwnInteraction = NULL;
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m_xOwnInteraction.clear();
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Reference< XComponentContext > xContext = ::comphelper::getProcessComponentContext();
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Reference< XInteractionHandler > xGlobalInteractionHandler(
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InteractionHandler::createWithParent(xContext, 0), UNO_QUERY_THROW );
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m_xCmdEnv = new ucbhelper::CommandEnvironment( xGlobalInteractionHandler, Reference< XProgressHandler >() );
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}
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::svt::OFilePickerInteractionHandler* SmartContent::getOwnInteractionHandler() const
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{
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if (!m_xOwnInteraction.is())
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return NULL;
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return m_pOwnInteraction;
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}
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SmartContent::InteractionHandlerType SmartContent::queryCurrentInteractionHandler() const
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{
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if (m_xOwnInteraction.is())
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return IHT_OWN;
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if (!m_xCmdEnv.is())
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return IHT_NONE;
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return IHT_DEFAULT;
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}
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void SmartContent::disableInteractionHandler()
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{
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// Don't free the memory here! It will be done by the next
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// call automatically - releasing of the uno reference ...
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m_pOwnInteraction = NULL;
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m_xOwnInteraction.clear();
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m_xCmdEnv.clear();
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}
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void SmartContent::bindTo( const OUString& _rURL )
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{
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if ( getURL() == _rURL )
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// nothing to do, regardless of the state
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return;
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DELETEZ( m_pContent );
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m_eState = INVALID; // default to INVALID
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m_sURL = _rURL;
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if ( !m_sURL.isEmpty() )
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{
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try
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{
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m_pContent = new ::ucbhelper::Content( _rURL, m_xCmdEnv, comphelper::getProcessComponentContext() );
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m_eState = UNKNOWN;
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// from now on, the state is unknown -> we cannot know for sure if the content
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// is really valid (some UCP's only tell this when asking for properties, not upon
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// creation)
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}
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catch( const ContentCreationException& )
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{
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}
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catch( const Exception& )
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{
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OSL_FAIL( "SmartContent::bindTo: unexpected exception caught!" );
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}
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}
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else
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{
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m_eState = NOT_BOUND;
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}
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// don't forget to reset the may internal used interaction handler ...
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// But do it only for our own specialized interaction helper!
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::svt::OFilePickerInteractionHandler* pHandler = getOwnInteractionHandler();
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if (pHandler)
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{
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pHandler->resetUseState();
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pHandler->forgetRequest();
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}
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}
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bool SmartContent::implIs( const OUString& _rURL, Type _eType )
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{
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// bind to this content
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bindTo( _rURL );
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// did we survive this?
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if ( isInvalid() || !isBound() )
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return false;
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DBG_ASSERT( m_pContent, "SmartContent::implIs: inconsistence!" );
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// if, after an bindTo, we don't have a content, then we should be INVALID, or at least
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// NOT_BOUND (the latter happens, for example, if somebody tries to ask for an empty URL)
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bool bIs = false;
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try
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{
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if ( Folder == _eType )
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bIs = m_pContent->isFolder();
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else
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bIs = m_pContent->isDocument();
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// from here on, we definitely know that the content is valid
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m_eState = VALID;
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}
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catch( const Exception& )
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{
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// now we're definitely invalid
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m_eState = INVALID;
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}
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return bIs;
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}
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void SmartContent::getTitle( OUString& /* [out] */ _rTitle )
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{
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if ( !isBound() || isInvalid() )
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return;
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try
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{
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OUString sTitle;
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m_pContent->getPropertyValue("Title") >>= sTitle;
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_rTitle = sTitle;
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// from here on, we definitely know that the content is valid
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m_eState = VALID;
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}
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catch( const ::com::sun::star::uno::Exception& )
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{
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// now we're definitely invalid
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m_eState = INVALID;
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}
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}
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bool SmartContent::hasParentFolder( )
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{
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if ( !isBound() || isInvalid() )
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return false;
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bool bRet = false;
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try
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{
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Reference< XChild > xChild( m_pContent->get(), UNO_QUERY );
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if ( xChild.is() )
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{
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Reference< XContent > xParent( xChild->getParent(), UNO_QUERY );
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if ( xParent.is() )
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{
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const OUString aParentURL( xParent->getIdentifier()->getContentIdentifier() );
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bRet = ( !aParentURL.isEmpty() && aParentURL != m_pContent->getURL() );
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// now we're definitely valid
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m_eState = VALID;
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}
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}
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}
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catch( const Exception& )
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{
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// now we're definitely invalid
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m_eState = INVALID;
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}
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return bRet;
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}
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bool SmartContent::canCreateFolder( )
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{
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if ( !isBound() || isInvalid() )
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return false;
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bool bRet = false;
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try
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{
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Sequence< ContentInfo > aInfo = m_pContent->queryCreatableContentsInfo();
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const ContentInfo* pInfo = aInfo.getConstArray();
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sal_Int32 nCount = aInfo.getLength();
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for ( sal_Int32 i = 0; i < nCount; ++i, ++pInfo )
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{
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// Simply look for the first KIND_FOLDER...
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if ( pInfo->Attributes & ContentInfoAttribute::KIND_FOLDER )
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{
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bRet = true;
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break;
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}
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}
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// now we're definitely valid
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m_eState = VALID;
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}
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catch( const Exception& )
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{
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// now we're definitely invalid
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m_eState = INVALID;
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}
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return bRet;
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}
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OUString SmartContent::createFolder( const OUString& _rTitle )
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{
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OUString aCreatedUrl;
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try
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{
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OUString sFolderType;
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Sequence< ContentInfo > aInfo = m_pContent->queryCreatableContentsInfo();
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const ContentInfo* pInfo = aInfo.getConstArray();
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sal_Int32 nCount = aInfo.getLength();
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for ( sal_Int32 i = 0; i < nCount; ++i, ++pInfo )
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{
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// Simply look for the first KIND_FOLDER...
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if ( pInfo->Attributes & ContentInfoAttribute::KIND_FOLDER )
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{
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sFolderType = pInfo->Type;
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break;
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}
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}
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if ( !sFolderType.isEmpty() )
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{
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ucbhelper::Content aCreated;
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Sequence< OUString > aNames( 1 );
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OUString* pNames = aNames.getArray();
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pNames[0] = "Title";
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Sequence< Any > aValues( 1 );
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Any* pValues = aValues.getArray();
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pValues[0] = makeAny( _rTitle );
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m_pContent->insertNewContent( sFolderType, aNames, aValues, aCreated );
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aCreatedUrl = aCreated.getURL();
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}
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}
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catch( const Exception& )
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{
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}
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return aCreatedUrl;
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}
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} // namespace svt
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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