/**************************************************************
 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



#include <memory>

#include "com/sun/star/document/ChangedByOthersRequest.hpp"
#include "com/sun/star/document/LockedDocumentRequest.hpp"
#include "com/sun/star/document/LockedOnSavingRequest.hpp"
#include "com/sun/star/document/LockFileIgnoreRequest.hpp"
#include "com/sun/star/document/OwnLockOnDocumentRequest.hpp"
#include "com/sun/star/task/XInteractionApprove.hpp"
#include "com/sun/star/task/XInteractionDisapprove.hpp"
#include "com/sun/star/task/XInteractionAbort.hpp"
#include "com/sun/star/task/XInteractionRequest.hpp"

#include "vos/mutex.hxx"
#include "vcl/svapp.hxx"
#include "vcl/msgbox.hxx"

#include "ids.hrc"
#include "getcontinuations.hxx"
#include "openlocked.hxx"
#include "trylater.hxx"
#include "alreadyopen.hxx"
#include "filechanged.hxx"
#include "lockfailed.hxx"

#include "iahndl.hxx"

#define UUI_DOC_LOAD_LOCK       0
#define UUI_DOC_OWN_LOAD_LOCK   1
#define UUI_DOC_SAVE_LOCK       2
#define UUI_DOC_OWN_SAVE_LOCK   3

using namespace com::sun::star;

namespace {

void
handleLockedDocumentRequest_(
    Window * pParent,
    const ::rtl::OUString& aDocumentURL,
    const ::rtl::OUString& aInfo,
    uno::Sequence< uno::Reference< task::XInteractionContinuation > > const &
        rContinuations,
    sal_uInt16 nMode )
    SAL_THROW((uno::RuntimeException))
{
    uno::Reference< task::XInteractionApprove > xApprove;
    uno::Reference< task::XInteractionDisapprove > xDisapprove;
    uno::Reference< task::XInteractionAbort > xAbort;
    getContinuations(rContinuations, &xApprove, &xDisapprove, &xAbort);

    if ( !xApprove.is() || !xDisapprove.is() || !xAbort.is() )
        return;

    try
    {
        vos::OGuard aGuard(Application::GetSolarMutex());
        std::auto_ptr< ResMgr > xManager(
            ResMgr::CreateResMgr(CREATEVERSIONRESMGR_NAME(uui)));
        if (!xManager.get())
            return;

        ::rtl::OUString aMessage;
        std::vector< rtl::OUString > aArguments;
        aArguments.push_back( aDocumentURL );

        sal_Int32 nResult = RET_CANCEL;
        if ( nMode == UUI_DOC_LOAD_LOCK )
        {
            aArguments.push_back( aInfo.getLength()
                                  ? aInfo
                                  : ::rtl::OUString( String(
                                        ResId( STR_UNKNOWNUSER,
                                               *xManager.get() ) ) ) );
            aMessage = String( ResId( STR_OPENLOCKED_MSG, *xManager.get() ) );
            aMessage = UUIInteractionHelper::replaceMessageWithArguments(
                aMessage, aArguments );

            std::auto_ptr< OpenLockedQueryBox > xDialog(new OpenLockedQueryBox(
                            pParent, xManager.get(), aMessage ) );
            nResult = xDialog->Execute();
        }
        else if ( nMode == UUI_DOC_SAVE_LOCK )
        {
            aArguments.push_back( aInfo.getLength()
                                  ? aInfo
                                  : ::rtl::OUString( String(
                                        ResId( STR_UNKNOWNUSER,
                                               *xManager.get() ) ) ) );
            aMessage = String( ResId( STR_TRYLATER_MSG, *xManager.get() ) );
            aMessage = UUIInteractionHelper::replaceMessageWithArguments(
                aMessage, aArguments );

            std::auto_ptr< TryLaterQueryBox > xDialog(
                new TryLaterQueryBox( pParent, xManager.get(), aMessage ) );
            nResult = xDialog->Execute();
        }
        else if ( nMode == UUI_DOC_OWN_LOAD_LOCK ||
                  nMode == UUI_DOC_OWN_SAVE_LOCK )
        {
            aArguments.push_back( aInfo );
            aMessage = String( ResId( nMode == UUI_DOC_OWN_SAVE_LOCK
                                          ? STR_ALREADYOPEN_SAVE_MSG
                                          : STR_ALREADYOPEN_MSG,
                                      *xManager.get() ) );
            aMessage = UUIInteractionHelper::replaceMessageWithArguments(
                aMessage, aArguments );

            std::auto_ptr< AlreadyOpenQueryBox > xDialog(
                new AlreadyOpenQueryBox( pParent,
                                         xManager.get(),
                                         aMessage,
                                         nMode == UUI_DOC_OWN_SAVE_LOCK ) );
            nResult = xDialog->Execute();
        }

        if ( nResult == RET_YES )
            xApprove->select();
        else if ( nResult == RET_NO )
            xDisapprove->select();
        else
            xAbort->select();
    }
    catch (std::bad_alloc const &)
    {
        throw uno::RuntimeException(
                  rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("out of memory")),
                  uno::Reference< uno::XInterface >());
    }
}

void
handleChangedByOthersRequest_(
    Window * pParent,
    uno::Sequence< uno::Reference< task::XInteractionContinuation > > const &
        rContinuations )
    SAL_THROW((uno::RuntimeException))
{
    uno::Reference< task::XInteractionApprove > xApprove;
    uno::Reference< task::XInteractionAbort > xAbort;
    getContinuations(rContinuations, &xApprove, &xAbort);

    if ( !xApprove.is() || !xAbort.is() )
        return;

    try
    {
        vos::OGuard aGuard(Application::GetSolarMutex());
        std::auto_ptr< ResMgr > xManager(
            ResMgr::CreateResMgr(CREATEVERSIONRESMGR_NAME(uui)));
        if (!xManager.get())
            return;

        std::auto_ptr< FileChangedQueryBox > xDialog(
            new FileChangedQueryBox( pParent, xManager.get() ) );
        sal_Int32 nResult = xDialog->Execute();

        if ( nResult == RET_YES )
            xApprove->select();
        else
            xAbort->select();
    }
    catch (std::bad_alloc const &)
    {
        throw uno::RuntimeException(
                  rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("out of memory")),
                  uno::Reference< uno::XInterface >());
    }
}

void
handleLockFileIgnoreRequest_(
    Window * pParent,
    uno::Sequence< uno::Reference< task::XInteractionContinuation > > const &
        rContinuations )
    SAL_THROW((uno::RuntimeException))
{
    uno::Reference< task::XInteractionApprove > xApprove;
    uno::Reference< task::XInteractionAbort > xAbort;
    getContinuations(rContinuations, &xApprove, &xAbort);

    if ( !xApprove.is() || !xAbort.is() )
        return;

    try
    {
        vos::OGuard aGuard(Application::GetSolarMutex());
        std::auto_ptr< ResMgr > xManager(
            ResMgr::CreateResMgr(CREATEVERSIONRESMGR_NAME(uui)));
        if (!xManager.get())
            return;

        std::auto_ptr< LockFailedQueryBox > xDialog(
            new LockFailedQueryBox( pParent, xManager.get() ) );
        sal_Int32 nResult = xDialog->Execute();

        if ( nResult == RET_OK )
            xApprove->select();
        else
            xAbort->select();
    }
    catch (std::bad_alloc const &)
    {
        throw uno::RuntimeException(
                  rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("out of memory")),
                  uno::Reference< uno::XInterface >());
    }
}

} // namespace

bool
UUIInteractionHelper::handleLockedDocumentRequest(
    uno::Reference< task::XInteractionRequest > const & rRequest)
    SAL_THROW((::com::sun::star::uno::RuntimeException))
{
    uno::Any aAnyRequest(rRequest->getRequest());

    document::LockedDocumentRequest aLockedDocumentRequest;
    if (aAnyRequest >>= aLockedDocumentRequest )
    {
        handleLockedDocumentRequest_( getParentProperty(),
                                      aLockedDocumentRequest.DocumentURL,
                                      aLockedDocumentRequest.UserInfo,
                                      rRequest->getContinuations(),
                                      UUI_DOC_LOAD_LOCK );
        return true;
    }

    document::OwnLockOnDocumentRequest aOwnLockOnDocumentRequest;
    if (aAnyRequest >>= aOwnLockOnDocumentRequest )
    {
        handleLockedDocumentRequest_( getParentProperty(),
                                      aOwnLockOnDocumentRequest.DocumentURL,
                                      aOwnLockOnDocumentRequest.TimeInfo,
                                      rRequest->getContinuations(),
                                      aOwnLockOnDocumentRequest.IsStoring
                                          ? UUI_DOC_OWN_SAVE_LOCK
                                          : UUI_DOC_OWN_LOAD_LOCK );
        return true;
    }

    document::LockedOnSavingRequest aLockedOnSavingRequest;
    if (aAnyRequest >>= aLockedOnSavingRequest )
    {
        handleLockedDocumentRequest_( getParentProperty(),
                                      aLockedOnSavingRequest.DocumentURL,
                                      aLockedOnSavingRequest.UserInfo,
                                      rRequest->getContinuations(),
                                      UUI_DOC_SAVE_LOCK );
        return true;
    }
    return false;
}

bool
UUIInteractionHelper::handleChangedByOthersRequest(
    uno::Reference< task::XInteractionRequest > const & rRequest)
    SAL_THROW((uno::RuntimeException))
{
    uno::Any aAnyRequest(rRequest->getRequest());

    document::ChangedByOthersRequest aChangedByOthersRequest;
    if (aAnyRequest >>= aChangedByOthersRequest )
    {
        handleChangedByOthersRequest_( getParentProperty(),
                                       rRequest->getContinuations() );
        return true;
    }
    return false;
}

bool
UUIInteractionHelper::handleLockFileIgnoreRequest(
    uno::Reference< task::XInteractionRequest > const & rRequest)
    SAL_THROW((uno::RuntimeException))
{
    uno::Any aAnyRequest(rRequest->getRequest());

    document::LockFileIgnoreRequest aLockFileIgnoreRequest;
    if (aAnyRequest >>= aLockFileIgnoreRequest )
    {
        handleLockFileIgnoreRequest_( getParentProperty(),
                                      rRequest->getContinuations() );
        return true;
    }
    return false;
}