sfx2/source/appl/imestatuswindow.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include "imestatuswindow.hxx"
  22
  23 #include <sfx2/app.hxx>
  24 #include <sfx2/sfxsids.hrc>
  25
  26 #include <com/sun/star/beans/PropertyState.hpp>
  27 #include <com/sun/star/beans/PropertyValue.hpp>
  28 #include <com/sun/star/beans/XPropertySet.hpp>
  29 #include <com/sun/star/configuration/theDefaultProvider.hpp>
  30 #include <com/sun/star/lang/DisposedException.hpp>
  31 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  32 #include <com/sun/star/uno/Any.hxx>
  33 #include <com/sun/star/uno/Exception.hpp>
  34 #include <com/sun/star/uno/Reference.hxx>
  35 #include <com/sun/star/uno/RuntimeException.hpp>
  36 #include <com/sun/star/uno/Sequence.hxx>
  37 #include <com/sun/star/util/XChangesBatch.hpp>
  38 #include <osl/diagnose.h>
  39 #include <osl/mutex.hxx>
  40 #include <rtl/ustring.h>
  41 #include <rtl/ustring.hxx>
  42 #include <sal/types.h>
  43 #include <vcl/svapp.hxx>
  44
  45 //TO-Do, merge into framework/inc/helpers/mischelpers.hxx and deliver
  46 class WeakPropertyChangeListener : public ::cppu::WeakImplHelper1<com::sun::star::beans::XPropertyChangeListener>
  47 {
  48     private:
  49         com::sun::star::uno::WeakReference<com::sun::star::beans::XPropertyChangeListener> mxOwner;
  50
  51     public:
  52         WeakPropertyChangeListener(com::sun::star::uno::Reference<com::sun::star::beans::XPropertyChangeListener> xOwner)
  53             : mxOwner(xOwner)
  54         {
  55         }
  56
  57         virtual ~WeakPropertyChangeListener()
  58         {
  59         }
  60
  61         virtual void SAL_CALL propertyChange(const com::sun::star::beans::PropertyChangeEvent &rEvent )
  62             throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE
  63         {
  64             com::sun::star::uno::Reference<com::sun::star::beans::XPropertyChangeListener> xOwner(mxOwner.get(),
  65                 com::sun::star::uno::UNO_QUERY);
  66             if (xOwner.is())
  67                 xOwner->propertyChange(rEvent);
  68
  69         }
  70
  71         // lang.XEventListener
  72         virtual void SAL_CALL disposing(const com::sun::star::lang::EventObject& rEvent)
  73             throw(com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE
  74         {
  75             com::sun::star::uno::Reference<com::sun::star::beans::XPropertyChangeListener> xOwner(mxOwner.get(),
  76                 com::sun::star::uno::UNO_QUERY);
  77             if (xOwner.is())
  78                 xOwner->disposing(rEvent);
  79
  80         }
  81 };
  82
  83 using sfx2::appl::ImeStatusWindow;
  84
  85 ImeStatusWindow::ImeStatusWindow(
  86     css::uno::Reference< css::uno::XComponentContext > const & rxContext):
  87     m_xContext(rxContext),
  88     m_bDisposed(false)
  89 {}
  90
  91 void ImeStatusWindow::init()
  92 {
  93     if (Application::CanToggleImeStatusWindow())
  94         try
  95         {
  96             bool bShow;
  97             if (getConfig()->getPropertyValue(OUString("ShowStatusWindow")) >>= bShow)
  98                 Application::ShowImeStatusWindow(bShow);
  99         }
 100         catch (css::uno::Exception &)
 101         {
 102             OSL_FAIL("com.sun.star.uno.Exception");
 103             // Degrade gracefully and use the VCL-supplied default if no
 104             // configuration is available.
 105         }
 106 }
 107
 108 bool ImeStatusWindow::isShowing()
 109 {
 110     try
 111     {
 112         bool bShow(false);
 113         if (getConfig()->getPropertyValue(OUString("ShowStatusWindow")) >>= bShow)
 114             return bShow;
 115     }
 116     catch (css::uno::Exception &)
 117     {
 118         OSL_FAIL("com.sun.star.uno.Exception");
 119         // Degrade gracefully and use the VCL-supplied default if no
 120         // configuration is available.
 121     }
 122     return Application::GetShowImeStatusWindowDefault();
 123 }
 124
 125 void ImeStatusWindow::show(bool bShow)
 126 {
 127     try
 128     {
 129         css::uno::Reference< css::beans::XPropertySet > xConfig(getConfig());
 130         xConfig->setPropertyValue(
 131             OUString("ShowStatusWindow"),
 132             css::uno::makeAny(bShow));
 133         css::uno::Reference< css::util::XChangesBatch > xCommit(
 134             xConfig, css::uno::UNO_QUERY);
 135         // Degrade gracefully by not saving the settings permanently:
 136         if (xCommit.is())
 137             xCommit->commitChanges();
 138         // Alternatively, setting the VCL status could be done even if updating
 139         // the configuration failed:
 140         Application::ShowImeStatusWindow(bShow);
 141     }
 142     catch (css::uno::Exception &)
 143     {
 144         OSL_FAIL("com.sun.star.uno.Exception");
 145     }
 146 }
 147
 148 bool ImeStatusWindow::canToggle()
 149 {
 150     return Application::CanToggleImeStatusWindow();
 151 }
 152
 153 ImeStatusWindow::~ImeStatusWindow()
 154 {
 155     if (m_xConfig.is() && m_xConfigListener.is())
 156         // We should never get here, but just in case...
 157         try
 158         {
 159             m_xConfig->removePropertyChangeListener(
 160                 OUString("ShowStatusWindow"),
 161                 m_xConfigListener);
 162         }
 163         catch (css::uno::Exception &)
 164         {
 165             OSL_FAIL("com.sun.star.uno.RuntimeException");
 166         }
 167 }
 168
 169 void SAL_CALL ImeStatusWindow::disposing(css::lang::EventObject const & )
 170     throw (css::uno::RuntimeException, std::exception)
 171 {
 172     osl::MutexGuard aGuard(m_aMutex);
 173     m_xConfig = 0;
 174     m_bDisposed = true;
 175 }
 176
 177 void SAL_CALL
 178 ImeStatusWindow::propertyChange(css::beans::PropertyChangeEvent const & )
 179     throw (css::uno::RuntimeException, std::exception)
 180 {
 181     SolarMutexGuard aGuard;
 182     SfxApplication* pApp = SfxApplication::Get();
 183     if (pApp)
 184     pApp->Invalidate(SID_SHOW_IME_STATUS_WINDOW);
 185 }
 186
 187 css::uno::Reference< css::beans::XPropertySet > ImeStatusWindow::getConfig()
 188 {
 189     css::uno::Reference< css::beans::XPropertySet > xConfig;
 190     bool bAdd = false;
 191     {
 192         osl::MutexGuard aGuard(m_aMutex);
 193         if (!m_xConfig.is())
 194         {
 195             if (m_bDisposed)
 196                 throw css::lang::DisposedException();
 197             if (!m_xContext.is())
 198                 throw css::uno::RuntimeException(
 199                     OUString(
 200                             "null comphelper::getProcessServiceFactory"),
 201                     0);
 202             css::uno::Reference< css::lang::XMultiServiceFactory > xProvider =
 203                 css::configuration::theDefaultProvider::get( m_xContext );
 204             css::beans::PropertyValue aArg(
 205                 OUString("nodepath"), -1,
 206                 css::uno::makeAny(
 207                     OUString(
 208                             "/org.openoffice.Office.Common/I18N/InputMethod")),
 209                 css::beans::PropertyState_DIRECT_VALUE);
 210             css::uno::Sequence< css::uno::Any > aArgs(1);
 211             aArgs[0] <<= aArg;
 212             m_xConfig
 213                 = css::uno::Reference< css::beans::XPropertySet >(
 214                     xProvider->createInstanceWithArguments(
 215                         OUString(
 216                        "com.sun.star.configuration.ConfigurationUpdateAccess"),
 217                         aArgs),
 218                     css::uno::UNO_QUERY);
 219             if (!m_xConfig.is())
 220                 throw css::uno::RuntimeException(
 221                     OUString(
 222                                       "null com.sun.star.configuration."
 223                                       "ConfigurationUpdateAccess"),
 224                     0);
 225             bAdd = true;
 226         }
 227         xConfig = m_xConfig;
 228     }
 229     if (bAdd)
 230     {
 231         // Exceptions here could be handled individually, to support graceful
 232         // degradation (no update notification mechanism in this case---but also
 233         // no dispose notifications):
 234         m_xConfigListener = new WeakPropertyChangeListener(this);
 235         xConfig->addPropertyChangeListener(
 236             OUString("ShowStatusWindow"),
 237             m_xConfigListener);
 238     }
 239     return xConfig;
 240 }
 241
 242 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */