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path: root/basic/source/basmgr/vbahelper.cxx
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/* -*- 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 .
 */


#include <basic/vbahelper.hxx>

#include <map>
#include <mutex>
#include <vector>
#include <com/sun/star/container/XEnumeration.hpp>
#include <com/sun/star/frame/Desktop.hpp>
#include <com/sun/star/frame/XModel2.hpp>
#include <com/sun/star/frame/ModuleManager.hpp>
#include <comphelper/processfactory.hxx>

namespace basic::vba {

using namespace ::com::sun::star;


namespace {

/** Create an instance of a module manager.
 */
uno::Reference< frame::XModuleManager2 > lclCreateModuleManager()
{
    uno::Reference< uno::XComponentContext > xContext( ::comphelper::getProcessComponentContext(), uno::UNO_SET_THROW );
    return frame::ModuleManager::create(xContext);
}

typedef std::vector<uno::Reference<frame::XModel>> ModelVector;

ModelVector CreateDocumentsEnumeration(
        const uno::Reference< frame::XModel >& rxModel)
{
    ModelVector models;
    try
    {
        uno::Reference< frame::XModuleManager2 > xModuleManager( lclCreateModuleManager() );
        OUString aIdentifier = xModuleManager->identify( rxModel );
        uno::Reference< frame::XDesktop2 > xDesktop = frame::Desktop::create( ::comphelper::getProcessComponentContext() );
        uno::Reference< container::XEnumerationAccess > xComponentsEA( xDesktop->getComponents(), uno::UNO_SET_THROW );
        uno::Reference< container::XEnumeration > xEnumeration( xComponentsEA->createEnumeration(), uno::UNO_SET_THROW );
        while( xEnumeration->hasMoreElements() )
        {
            uno::Reference< frame::XModel > xCurrModel( xEnumeration->nextElement(), uno::UNO_QUERY_THROW );
            if( xModuleManager->identify( xCurrModel ) == aIdentifier )
                models.push_back( xCurrModel );
        }
    }
    catch(const uno::Exception& )
    {
    }
    return models;
}

/** Locks or unlocks the controllers of the specified document model.
 */
void lclLockControllers( const uno::Reference< frame::XModel >& rxModel, bool bLockControllers )
{
    if( rxModel.is() ) try
    {
        if( bLockControllers )
            rxModel->lockControllers();
        else
            rxModel->unlockControllers();
    }
    catch(const uno::Exception& )
    {
    }
}


/** Enables or disables the container windows of all controllers of the
    specified document model.
 */
void lclEnableContainerWindows( const uno::Reference< frame::XModel >& rxModel, bool bEnableWindows )
{
    try
    {
        uno::Reference< frame::XModel2 > xModel2( rxModel, uno::UNO_QUERY_THROW );
        uno::Reference< container::XEnumeration > xControllersEnum( xModel2->getControllers(), uno::UNO_SET_THROW );
        // iterate over all controllers
        while( xControllersEnum->hasMoreElements() )
        {
            try
            {
                uno::Reference< frame::XController > xController( xControllersEnum->nextElement(), uno::UNO_QUERY_THROW );
                uno::Reference< frame::XFrame > xFrame( xController->getFrame(), uno::UNO_SET_THROW );
                uno::Reference< awt::XWindow > xWindow( xFrame->getContainerWindow(), uno::UNO_SET_THROW );
                xWindow->setEnable( bEnableWindows );
            }
            catch(const uno::Exception& )
            {
            }
        }
    }
    catch(const uno::Exception& )
    {
    }
}


typedef void (*ModifyDocumentFunc)( const uno::Reference< frame::XModel >&, bool );

/** Implementation iterating over all documents that have the same type as the
    specified model, and calling the passed functor.
 */
void lclIterateDocuments( ModifyDocumentFunc pModifyDocumentFunc, const uno::Reference< frame::XModel >& rxModel, bool bModificator )
{
    ModelVector models(CreateDocumentsEnumeration(rxModel));
    // iterate over all open documents
    for (auto const& xCurrModel : models)
    {
        try
        {
            pModifyDocumentFunc(xCurrModel, bModificator);
        }
        catch (const uno::Exception&)
        {
        }
    }
}


struct CurrDirPool
{
    std::mutex maMutex;
    std::map< OUString, OUString > maCurrDirs;
};

} // namespace


void lockControllersOfAllDocuments( const uno::Reference< frame::XModel >& rxModel, bool bLockControllers )
{
    lclIterateDocuments( &lclLockControllers, rxModel, bLockControllers );
}


void enableContainerWindowsOfAllDocuments( const uno::Reference< frame::XModel >& rxModel, bool bEnableWindows )
{
    lclIterateDocuments( &lclEnableContainerWindows, rxModel, bEnableWindows );
}


void registerCurrentDirectory( const uno::Reference< frame::XModel >& rxModel, const OUString& rPath )
{
    if( rPath.isEmpty() )
        return;

    static CurrDirPool StaticCurrDirPool;

    CurrDirPool& rPool = StaticCurrDirPool;
    std::unique_lock aGuard( rPool.maMutex );
    try
    {
        uno::Reference< frame::XModuleManager2 > xModuleManager( lclCreateModuleManager() );
        OUString aIdentifier = xModuleManager->identify( rxModel );
        if( !aIdentifier.isEmpty() )
            rPool.maCurrDirs[ aIdentifier ] = rPath;
    }
    catch(const uno::Exception& )
    {
    }
}


} // namespace

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */