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)
  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)
  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             sal_Bool bShow = sal_Bool();
  97             if (getConfig()->getPropertyValue(
  98                     OUString(
  99                                       "ShowStatusWindow"))
 100                 >>= bShow)
 101                 Application::ShowImeStatusWindow(bShow);
 102         }
 103         catch (css::uno::Exception &)
 104         {
 105             OSL_FAIL("com.sun.star.uno.Exception");
 106             // Degrade gracefully and use the VCL-supplied default if no
 107             // configuration is available.
 108         }
 109 }
 110
 111 bool ImeStatusWindow::isShowing()
 112 {
 113     try
 114     {
 115         sal_Bool bShow = sal_Bool();
 116         if (getConfig()->getPropertyValue(
 117                 OUString("ShowStatusWindow"))
 118             >>= bShow)
 119             return bShow;
 120     }
 121     catch (css::uno::Exception &)
 122     {
 123         OSL_FAIL("com.sun.star.uno.Exception");
 124         // Degrade gracefully and use the VCL-supplied default if no
 125         // configuration is available.
 126     }
 127     return Application::GetShowImeStatusWindowDefault();
 128 }
 129
 130 void ImeStatusWindow::show(bool bShow)
 131 {
 132     try
 133     {
 134         css::uno::Reference< css::beans::XPropertySet > xConfig(getConfig());
 135         xConfig->setPropertyValue(
 136             OUString("ShowStatusWindow"),
 137             css::uno::makeAny(static_cast< sal_Bool >(bShow)));
 138         css::uno::Reference< css::util::XChangesBatch > xCommit(
 139             xConfig, css::uno::UNO_QUERY);
 140         // Degrade gracefully by not saving the settings permanently:
 141         if (xCommit.is())
 142             xCommit->commitChanges();
 143         // Alternatively, setting the VCL status could be done even if updating
 144         // the configuration failed:
 145         Application::ShowImeStatusWindow(bShow);
 146     }
 147     catch (css::uno::Exception &)
 148     {
 149         OSL_FAIL("com.sun.star.uno.Exception");
 150     }
 151 }
 152
 153 bool ImeStatusWindow::canToggle() const
 154 {
 155     return Application::CanToggleImeStatusWindow();
 156 }
 157
 158 ImeStatusWindow::~ImeStatusWindow()
 159 {
 160     if (m_xConfig.is() && m_xConfigListener.is())
 161         // We should never get here, but just in case...
 162         try
 163         {
 164             m_xConfig->removePropertyChangeListener(
 165                 OUString("ShowStatusWindow"),
 166                 m_xConfigListener);
 167         }
 168         catch (css::uno::Exception &)
 169         {
 170             OSL_FAIL("com.sun.star.uno.RuntimeException");
 171         }
 172 }
 173
 174 void SAL_CALL ImeStatusWindow::disposing(css::lang::EventObject const & )
 175     throw (css::uno::RuntimeException)
 176 {
 177     osl::MutexGuard aGuard(m_aMutex);
 178     m_xConfig = 0;
 179     m_bDisposed = true;
 180 }
 181
 182 void SAL_CALL
 183 ImeStatusWindow::propertyChange(css::beans::PropertyChangeEvent const & )
 184     throw (css::uno::RuntimeException)
 185 {
 186     SolarMutexGuard aGuard;
 187     SfxApplication* pApp = SfxApplication::Get();
 188     if (pApp)
 189     pApp->Invalidate(SID_SHOW_IME_STATUS_WINDOW);
 190 }
 191
 192 css::uno::Reference< css::beans::XPropertySet > ImeStatusWindow::getConfig()
 193 {
 194     css::uno::Reference< css::beans::XPropertySet > xConfig;
 195     bool bAdd = false;
 196     {
 197         osl::MutexGuard aGuard(m_aMutex);
 198         if (!m_xConfig.is())
 199         {
 200             if (m_bDisposed)
 201                 throw css::lang::DisposedException();
 202             if (!m_xContext.is())
 203                 throw css::uno::RuntimeException(
 204                     OUString(
 205                             "null comphelper::getProcessServiceFactory"),
 206                     0);
 207             css::uno::Reference< css::lang::XMultiServiceFactory > xProvider =
 208                 css::configuration::theDefaultProvider::get( m_xContext );
 209             css::beans::PropertyValue aArg(
 210                 OUString("nodepath"), -1,
 211                 css::uno::makeAny(
 212                     OUString(
 213                             "/org.openoffice.Office.Common/I18N/InputMethod")),
 214                 css::beans::PropertyState_DIRECT_VALUE);
 215             css::uno::Sequence< css::uno::Any > aArgs(1);
 216             aArgs[0] <<= aArg;
 217             m_xConfig
 218                 = css::uno::Reference< css::beans::XPropertySet >(
 219                     xProvider->createInstanceWithArguments(
 220                         OUString(
 221                        "com.sun.star.configuration.ConfigurationUpdateAccess"),
 222                         aArgs),
 223                     css::uno::UNO_QUERY);
 224             if (!m_xConfig.is())
 225                 throw css::uno::RuntimeException(
 226                     OUString(
 227                                       "null com.sun.star.configuration."
 228                                       "ConfigurationUpdateAccess"),
 229                     0);
 230             bAdd = true;
 231         }
 232         xConfig = m_xConfig;
 233     }
 234     if (bAdd)
 235     {
 236         // Exceptions here could be handled individually, to support graceful
 237         // degradation (no update notification mechanism in this case---but also
 238         // no dispose notifications):
 239         m_xConfigListener = new WeakPropertyChangeListener(this);
 240         xConfig->addPropertyChangeListener(
 241             OUString("ShowStatusWindow"),
 242             m_xConfigListener);
 243     }
 244     return xConfig;
 245 }
 246
 247 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */