/*************************************************************************
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: newerverwarn.cxx,v $
 * $Revision: 1.1.2.1 $
 *
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 *
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 * it under the terms of the GNU Lesser General Public License version 3
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 *
 * 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>
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 ************************************************************************/

#include "newerverwarn.hxx"
#include "newerverwarn.hrc"
#include "ids.hrc"

#include <com/sun/star/frame/XDesktop.hpp>
#include <com/sun/star/frame/XDispatchProvider.hpp>
#include <com/sun/star/system/XSystemShellExecute.hpp>
#include <com/sun/star/system/SystemShellExecuteFlags.hpp>
#include <com/sun/star/util/XURLTransformer.hpp>
#include <com/sun/star/container/XNameReplace.hpp>

#include <comphelper/processfactory.hxx>
#include <comphelper/configurationhelper.hxx>
#include <comphelper/componentcontext.hxx>
#include <rtl/bootstrap.hxx>
#include <tools/diagnose_ex.h>
#include <vcl/msgbox.hxx>
#include <osl/process.h>

namespace beans     = ::com::sun::star::beans;
namespace frame     = ::com::sun::star::frame;
namespace lang      = ::com::sun::star::lang;
namespace uno       = ::com::sun::star::uno;
namespace util      = ::com::sun::star::util;
namespace container = ::com::sun::star::container;

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

#define	DEFINE_CONST_UNICODE( CONSTASCII )  ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( CONSTASCII ) )

namespace uui
{

NewerVersionWarningDialog::NewerVersionWarningDialog(
    Window* pParent, const ::rtl::OUString& rVersion, ResMgr& rResMgr ) :

    ModalDialog( pParent, ResId( RID_DLG_NEWER_VERSION_WARNING, rResMgr ) ),

    m_aImage        ( this, ResId( FI_IMAGE, rResMgr ) ),
    m_aInfoText     ( this, ResId( FT_INFO, rResMgr ) ),
    m_aButtonLine   ( this, ResId( FL_BUTTON, rResMgr ) ),
    m_aUpdateBtn    ( this, ResId( PB_UPDATE, rResMgr ) ),
    m_aLaterBtn     ( this, ResId( PB_LATER, rResMgr ) ),
    m_sVersion      ( rVersion )
{
    FreeResource();

    m_aUpdateBtn.SetClickHdl( LINK( this, NewerVersionWarningDialog, UpdateHdl ) );
    m_aLaterBtn.SetClickHdl( LINK( this, NewerVersionWarningDialog, LaterHdl ) );

    InitButtonWidth();
}

NewerVersionWarningDialog::~NewerVersionWarningDialog()
{
}

IMPL_LINK( NewerVersionWarningDialog, UpdateHdl, PushButton*, EMPTYARG )
{
    // detect execute path
    ::rtl::OUString sProgramPath;
    osl_getExecutableFile( &sProgramPath.pData );
    sal_uInt32 nLastIndex = sProgramPath.lastIndexOf( '/' );
    if ( nLastIndex > 0 )
        sProgramPath = sProgramPath.copy( 0, nLastIndex + 1 );

    // read keys from soffice.ini (sofficerc)
    ::rtl::OUString sIniFileName = sProgramPath;
    sIniFileName += ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( SAL_CONFIGFILE( "version" ) ) );
    ::rtl::Bootstrap aIniFile( sIniFileName );
    ::rtl::OUString sNotifyURL;
    aIniFile.getFrom( ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "ODFNotifyURL" ) ), sNotifyURL );

    try
    {
        if ( ( sNotifyURL.getLength() > 0 ) && ( m_sVersion.getLength() > 0 ) )
        {
            uno::Reference< lang::XMultiServiceFactory > xSMGR =
                ::comphelper::getProcessServiceFactory();
            uno::Reference< XSystemShellExecute > xSystemShell(
                xSMGR->createInstance( ::rtl::OUString(
                    RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.system.SystemShellExecute" ) ) ),
                uno::UNO_QUERY_THROW );
            sNotifyURL += m_sVersion;
            if ( xSystemShell.is() && sNotifyURL.getLength() )
            {
                xSystemShell->execute(
                    sNotifyURL, ::rtl::OUString(), SystemShellExecuteFlags::DEFAULTS );
            }
        }
        else
        {
            ::comphelper::ComponentContext aContext( ::comphelper::getProcessServiceFactory() );

            uno::Reference < container::XNameReplace > xUpdateConfig(
                aContext.createComponent( "com.sun.star.setup.UpdateCheckConfig" ), uno::UNO_QUERY_THROW );

            sal_Bool bUpdateCheckEnabled = sal_False;
            OSL_VERIFY( xUpdateConfig->getByName( DEFINE_CONST_UNICODE( "AutoCheckEnabled" ) ) >>= bUpdateCheckEnabled );

            // TODO: do we need to respect the bUpdateCheckEnabled flag? Finally, its meaning is "are automatic
            // updates enabled", but this here is not an automatic update, but one triggered explicitly by the user.

            uno::Any aVal = ::comphelper::ConfigurationHelper::readDirectKey(
                                    aContext.getLegacyServiceFactory(),
                                    DEFINE_CONST_UNICODE("org.openoffice.Office.Addons/"),
                                    DEFINE_CONST_UNICODE("AddonUI/OfficeHelp/UpdateCheckJob"),
                                    DEFINE_CONST_UNICODE("URL"),
                                    ::comphelper::ConfigurationHelper::E_READONLY );
            util::URL aURL;
            if ( aVal >>= aURL.Complete )
            {
                uno::Reference< util::XURLTransformer > xTransformer(
                    aContext.createComponent( "com.sun.star.util.URLTransformer" ), uno::UNO_QUERY_THROW );
                xTransformer->parseStrict( aURL );

                uno::Reference < frame::XDesktop > xDesktop(
                    aContext.createComponent( "com.sun.star.frame.Desktop" ), uno::UNO_QUERY_THROW );

                uno::Reference< frame::XDispatchProvider > xDispatchProvider(
                    xDesktop->getCurrentFrame(), uno::UNO_QUERY );
                if ( !xDispatchProvider.is() )
                    xDispatchProvider = uno::Reference < frame::XDispatchProvider > ( xDesktop, uno::UNO_QUERY );
                
                uno::Reference< frame::XDispatch > xDispatch =
                    xDispatchProvider->queryDispatch( aURL, rtl::OUString(), 0 );
                if ( xDispatch.is() )
                    xDispatch->dispatch( aURL, uno::Sequence< beans::PropertyValue >() );
            }
        }
    }
    catch( const uno::Exception& )
    {
        DBG_UNHANDLED_EXCEPTION();
    }

    EndDialog( RET_OK );
    return 0;
}

IMPL_LINK( NewerVersionWarningDialog, LaterHdl, CancelButton*, EMPTYARG )
{
    EndDialog( RET_ASK_LATER );
    return 0;
}

void NewerVersionWarningDialog::InitButtonWidth()
{
    // one button too small for its text?
    long nBtnTextWidth = m_aUpdateBtn.GetCtrlTextWidth( m_aUpdateBtn.GetText() );
    long nTemp = m_aLaterBtn.GetCtrlTextWidth( m_aLaterBtn.GetText() );
    if ( nTemp > nBtnTextWidth )
        nBtnTextWidth = nTemp;
    nBtnTextWidth = nBtnTextWidth * 115 / 100; // a little offset
    long nMaxBtnWidth = LogicToPixel( Size( MAX_BUTTON_WIDTH, 0 ), MAP_APPFONT ).Width();
    nBtnTextWidth = std::min( nBtnTextWidth, nMaxBtnWidth );
    long nButtonWidth = m_aUpdateBtn .GetSizePixel().Width();

    if ( nBtnTextWidth > nButtonWidth )
    {
        long nDelta = nBtnTextWidth - nButtonWidth;
        Point aNewPos = m_aUpdateBtn.GetPosPixel();
        aNewPos.X() -= 2*nDelta;
        Size aNewSize = m_aUpdateBtn.GetSizePixel();
        aNewSize.Width() += nDelta;
        m_aUpdateBtn.SetPosSizePixel( aNewPos, aNewSize );
        aNewPos = m_aLaterBtn.GetPosPixel();
        aNewPos.X() -= nDelta;
        m_aLaterBtn.SetPosSizePixel( aNewPos, aNewSize );
    }
}

} // end of namespace uui