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path: root/sfx2/source/appl/imestatuswindow.cxx
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * 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.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sfx2.hxx"

#include "imestatuswindow.hxx"

#include <sfx2/app.hxx>
#include <sfx2/sfxsids.hrc>

#include "com/sun/star/beans/PropertyState.hpp"
#include "com/sun/star/beans/PropertyValue.hpp"
#include "com/sun/star/beans/XPropertySet.hpp"
#include "com/sun/star/lang/DisposedException.hpp"
#include "com/sun/star/lang/XMultiServiceFactory.hpp"
#include "com/sun/star/uno/Any.hxx"
#include "com/sun/star/uno/Exception.hpp"
#include "com/sun/star/uno/Reference.hxx"
#include "com/sun/star/uno/RuntimeException.hpp"
#include "com/sun/star/uno/Sequence.hxx"
#include "com/sun/star/util/XChangesBatch.hpp"
#include "osl/diagnose.h"
#include "osl/mutex.hxx"
#include "rtl/ustring.h"
#include "rtl/ustring.hxx"
#include "sal/types.h"
#include "vcl/svapp.hxx"
#include "osl/mutex.hxx"

namespace css = com::sun::star;

using sfx2::appl::ImeStatusWindow;

ImeStatusWindow::ImeStatusWindow(
    css::uno::Reference< css::lang::XMultiServiceFactory > const &
        rServiceFactory):
    m_xServiceFactory(rServiceFactory),
    m_bDisposed(false)
{}

void ImeStatusWindow::init()
{
    if (Application::CanToggleImeStatusWindow())
        try
        {
            sal_Bool bShow = sal_Bool();
            if (getConfig()->getPropertyValue(
                    rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
                                      "ShowStatusWindow")))
                >>= bShow)
                Application::ShowImeStatusWindow(bShow);
        }
        catch (css::uno::Exception &)
        {
            OSL_ENSURE(false, "com.sun.star.uno.Exception");
            // Degrade gracefully and use the VCL-supplied default if no
            // configuration is available.
        }
}

bool ImeStatusWindow::isShowing()
{
    try
    {
        sal_Bool bShow = sal_Bool();
        if (getConfig()->getPropertyValue(
                rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ShowStatusWindow")))
            >>= bShow)
            return bShow;
    }
    catch (css::uno::Exception &)
    {
        OSL_ENSURE(false, "com.sun.star.uno.Exception");
        // Degrade gracefully and use the VCL-supplied default if no
        // configuration is available.
    }
    return Application::GetShowImeStatusWindowDefault();
}

void ImeStatusWindow::show(bool bShow)
{
    try
    {
        css::uno::Reference< css::beans::XPropertySet > xConfig(getConfig());
        xConfig->setPropertyValue(
            rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ShowStatusWindow")),
            css::uno::makeAny(static_cast< sal_Bool >(bShow)));
        css::uno::Reference< css::util::XChangesBatch > xCommit(
            xConfig, css::uno::UNO_QUERY);
        // Degrade gracefully by not saving the settings permanently:
        if (xCommit.is())
            xCommit->commitChanges();
        // Alternatively, setting the VCL status could be done even if updating
        // the configuration failed:
        Application::ShowImeStatusWindow(bShow);
    }
    catch (css::uno::Exception &)
    {
        OSL_ENSURE(false, "com.sun.star.uno.Exception");
    }
}

bool ImeStatusWindow::canToggle() const
{
    return Application::CanToggleImeStatusWindow();
}

ImeStatusWindow::~ImeStatusWindow()
{
    if (m_xConfig.is())
        // We should never get here, but just in case...
        try
        {
            m_xConfig->removePropertyChangeListener(
                rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ShowStatusWindow")),
                this);
        }
        catch (css::uno::Exception &)
        {
            OSL_ENSURE(false, "com.sun.star.uno.RuntimeException");
        }
}

void SAL_CALL ImeStatusWindow::disposing(css::lang::EventObject const & )
    throw (css::uno::RuntimeException)
{
    osl::MutexGuard aGuard(m_aMutex);
    m_xConfig = 0;
    m_bDisposed = true;
}

void SAL_CALL
ImeStatusWindow::propertyChange(css::beans::PropertyChangeEvent const & )
    throw (css::uno::RuntimeException)
{
    SolarMutexGuard aGuard;
    SfxApplication* pApp = SfxApplication::Get();
    if (pApp)
    pApp->Invalidate(SID_SHOW_IME_STATUS_WINDOW);
}

css::uno::Reference< css::beans::XPropertySet > ImeStatusWindow::getConfig()
{
    css::uno::Reference< css::beans::XPropertySet > xConfig;
    bool bAdd = false;
    {
        osl::MutexGuard aGuard(m_aMutex);
        if (!m_xConfig.is())
        {
            if (m_bDisposed)
                throw css::lang::DisposedException();
            if (!m_xServiceFactory.is())
                throw css::uno::RuntimeException(
                    rtl::OUString(
                        RTL_CONSTASCII_USTRINGPARAM(
                            "null comphelper::getProcessServiceFactory")),
                    0);
            css::uno::Reference< css::lang::XMultiServiceFactory > xProvider(
                m_xServiceFactory->createInstance(
                    rtl::OUString(
                        RTL_CONSTASCII_USTRINGPARAM(
                          "com.sun.star.configuration.ConfigurationProvider"))),
                css::uno::UNO_QUERY);
            if (!xProvider.is())
                throw css::uno::RuntimeException(
                    rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
                                      "null com.sun.star.configuration."
                                      "ConfigurationProvider")),
                    0);
            css::beans::PropertyValue aArg(
                rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("nodepath")), -1,
                css::uno::makeAny(
                    rtl::OUString(
                        RTL_CONSTASCII_USTRINGPARAM(
                            "/org.openoffice.Office.Common/I18N/InputMethod"))),
                css::beans::PropertyState_DIRECT_VALUE);
            css::uno::Sequence< css::uno::Any > aArgs(1);
            aArgs[0] <<= aArg;
            m_xConfig
                = css::uno::Reference< css::beans::XPropertySet >(
                    xProvider->createInstanceWithArguments(
                        rtl::OUString(
                            RTL_CONSTASCII_USTRINGPARAM(
                       "com.sun.star.configuration.ConfigurationUpdateAccess")),
                        aArgs),
                    css::uno::UNO_QUERY);
            if (!m_xConfig.is())
                throw css::uno::RuntimeException(
                    rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
                                      "null com.sun.star.configuration."
                                      "ConfigurationUpdateAccess")),
                    0);
            bAdd = true;
        }
        xConfig = m_xConfig;
    }
    if (bAdd)
        // Exceptions here could be handled individually, to support graceful
        // degradation (no update notification mechanism in this case---but also
        // no dispose notifications):
        xConfig->addPropertyChangeListener(
            rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ShowStatusWindow")),
            this);
    return xConfig;
}

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