sfx2/source/appl/imestatuswindow.cxx

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  28
  29
  30 #include "imestatuswindow.hxx"
  31
  32 #include <sfx2/app.hxx>
  33 #include <sfx2/sfxsids.hrc>
  34
  35 #include "com/sun/star/beans/PropertyState.hpp"
  36 #include "com/sun/star/beans/PropertyValue.hpp"
  37 #include "com/sun/star/beans/XPropertySet.hpp"
  38 #include "com/sun/star/lang/DisposedException.hpp"
  39 #include "com/sun/star/lang/XMultiServiceFactory.hpp"
  40 #include "com/sun/star/uno/Any.hxx"
  41 #include "com/sun/star/uno/Exception.hpp"
  42 #include "com/sun/star/uno/Reference.hxx"
  43 #include "com/sun/star/uno/RuntimeException.hpp"
  44 #include "com/sun/star/uno/Sequence.hxx"
  45 #include "com/sun/star/util/XChangesBatch.hpp"
  46 #include "osl/diagnose.h"
  47 #include "osl/mutex.hxx"
  48 #include "rtl/ustring.h"
  49 #include "rtl/ustring.hxx"
  50 #include "sal/types.h"
  51 #include "vcl/svapp.hxx"
  52
  53 //TO-Do, merge into framework/inc/helpers/mischelpers.hxx and deliver
  54 class WeakPropertyChangeListener : public ::cppu::WeakImplHelper1<com::sun::star::beans::XPropertyChangeListener>
  55 {
  56     private:
  57         com::sun::star::uno::WeakReference<com::sun::star::beans::XPropertyChangeListener> mxOwner;
  58
  59     public:
  60         WeakPropertyChangeListener(com::sun::star::uno::Reference<com::sun::star::beans::XPropertyChangeListener> xOwner)
  61             : mxOwner(xOwner)
  62         {
  63         }
  64
  65         virtual ~WeakPropertyChangeListener()
  66         {
  67         }
  68
  69         virtual void SAL_CALL propertyChange(const com::sun::star::beans::PropertyChangeEvent &rEvent )
  70             throw(com::sun::star::uno::RuntimeException)
  71         {
  72             com::sun::star::uno::Reference<com::sun::star::beans::XPropertyChangeListener> xOwner(mxOwner.get(),
  73                 com::sun::star::uno::UNO_QUERY);
  74             if (xOwner.is())
  75                 xOwner->propertyChange(rEvent);
  76
  77         }
  78
  79         // lang.XEventListener
  80         virtual void SAL_CALL disposing(const com::sun::star::lang::EventObject& rEvent)
  81             throw(com::sun::star::uno::RuntimeException)
  82         {
  83             com::sun::star::uno::Reference<com::sun::star::beans::XPropertyChangeListener> xOwner(mxOwner.get(),
  84                 com::sun::star::uno::UNO_QUERY);
  85             if (xOwner.is())
  86                 xOwner->disposing(rEvent);
  87
  88         }
  89 };
  90
  91 namespace css = com::sun::star;
  92
  93 using sfx2::appl::ImeStatusWindow;
  94
  95 ImeStatusWindow::ImeStatusWindow(
  96     css::uno::Reference< css::lang::XMultiServiceFactory > const &
  97         rServiceFactory):
  98     m_xServiceFactory(rServiceFactory),
  99     m_bDisposed(false)
 100 {}
 101
 102 void ImeStatusWindow::init()
 103 {
 104     if (Application::CanToggleImeStatusWindow())
 105         try
 106         {
 107             sal_Bool bShow = sal_Bool();
 108             if (getConfig()->getPropertyValue(
 109                     rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
 110                                       "ShowStatusWindow")))
 111                 >>= bShow)
 112                 Application::ShowImeStatusWindow(bShow);
 113         }
 114         catch (css::uno::Exception &)
 115         {
 116             OSL_FAIL("com.sun.star.uno.Exception");
 117             // Degrade gracefully and use the VCL-supplied default if no
 118             // configuration is available.
 119         }
 120 }
 121
 122 bool ImeStatusWindow::isShowing()
 123 {
 124     try
 125     {
 126         sal_Bool bShow = sal_Bool();
 127         if (getConfig()->getPropertyValue(
 128                 rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ShowStatusWindow")))
 129             >>= bShow)
 130             return bShow;
 131     }
 132     catch (css::uno::Exception &)
 133     {
 134         OSL_FAIL("com.sun.star.uno.Exception");
 135         // Degrade gracefully and use the VCL-supplied default if no
 136         // configuration is available.
 137     }
 138     return Application::GetShowImeStatusWindowDefault();
 139 }
 140
 141 void ImeStatusWindow::show(bool bShow)
 142 {
 143     try
 144     {
 145         css::uno::Reference< css::beans::XPropertySet > xConfig(getConfig());
 146         xConfig->setPropertyValue(
 147             rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ShowStatusWindow")),
 148             css::uno::makeAny(static_cast< sal_Bool >(bShow)));
 149         css::uno::Reference< css::util::XChangesBatch > xCommit(
 150             xConfig, css::uno::UNO_QUERY);
 151         // Degrade gracefully by not saving the settings permanently:
 152         if (xCommit.is())
 153             xCommit->commitChanges();
 154         // Alternatively, setting the VCL status could be done even if updating
 155         // the configuration failed:
 156         Application::ShowImeStatusWindow(bShow);
 157     }
 158     catch (css::uno::Exception &)
 159     {
 160         OSL_FAIL("com.sun.star.uno.Exception");
 161     }
 162 }
 163
 164 bool ImeStatusWindow::canToggle() const
 165 {
 166     return Application::CanToggleImeStatusWindow();
 167 }
 168
 169 ImeStatusWindow::~ImeStatusWindow()
 170 {
 171     if (m_xConfig.is() && m_xConfigListener.is())
 172         // We should never get here, but just in case...
 173         try
 174         {
 175             m_xConfig->removePropertyChangeListener(
 176                 rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ShowStatusWindow")),
 177                 m_xConfigListener);
 178         }
 179         catch (css::uno::Exception &)
 180         {
 181             OSL_FAIL("com.sun.star.uno.RuntimeException");
 182         }
 183 }
 184
 185 void SAL_CALL ImeStatusWindow::disposing(css::lang::EventObject const & )
 186     throw (css::uno::RuntimeException)
 187 {
 188     osl::MutexGuard aGuard(m_aMutex);
 189     m_xConfig = 0;
 190     m_bDisposed = true;
 191 }
 192
 193 void SAL_CALL
 194 ImeStatusWindow::propertyChange(css::beans::PropertyChangeEvent const & )
 195     throw (css::uno::RuntimeException)
 196 {
 197     SolarMutexGuard aGuard;
 198     SfxApplication* pApp = SfxApplication::Get();
 199     if (pApp)
 200     pApp->Invalidate(SID_SHOW_IME_STATUS_WINDOW);
 201 }
 202
 203 css::uno::Reference< css::beans::XPropertySet > ImeStatusWindow::getConfig()
 204 {
 205     css::uno::Reference< css::beans::XPropertySet > xConfig;
 206     bool bAdd = false;
 207     {
 208         osl::MutexGuard aGuard(m_aMutex);
 209         if (!m_xConfig.is())
 210         {
 211             if (m_bDisposed)
 212                 throw css::lang::DisposedException();
 213             if (!m_xServiceFactory.is())
 214                 throw css::uno::RuntimeException(
 215                     rtl::OUString(
 216                         RTL_CONSTASCII_USTRINGPARAM(
 217                             "null comphelper::getProcessServiceFactory")),
 218                     0);
 219             css::uno::Reference< css::lang::XMultiServiceFactory > xProvider(
 220                 m_xServiceFactory->createInstance(
 221                     rtl::OUString(
 222                         RTL_CONSTASCII_USTRINGPARAM(
 223                           "com.sun.star.configuration.ConfigurationProvider"))),
 224                 css::uno::UNO_QUERY);
 225             if (!xProvider.is())
 226                 throw css::uno::RuntimeException(
 227                     rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
 228                                       "null com.sun.star.configuration."
 229                                       "ConfigurationProvider")),
 230                     0);
 231             css::beans::PropertyValue aArg(
 232                 rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("nodepath")), -1,
 233                 css::uno::makeAny(
 234                     rtl::OUString(
 235                         RTL_CONSTASCII_USTRINGPARAM(
 236                             "/org.openoffice.Office.Common/I18N/InputMethod"))),
 237                 css::beans::PropertyState_DIRECT_VALUE);
 238             css::uno::Sequence< css::uno::Any > aArgs(1);
 239             aArgs[0] <<= aArg;
 240             m_xConfig
 241                 = css::uno::Reference< css::beans::XPropertySet >(
 242                     xProvider->createInstanceWithArguments(
 243                         rtl::OUString(
 244                             RTL_CONSTASCII_USTRINGPARAM(
 245                        "com.sun.star.configuration.ConfigurationUpdateAccess")),
 246                         aArgs),
 247                     css::uno::UNO_QUERY);
 248             if (!m_xConfig.is())
 249                 throw css::uno::RuntimeException(
 250                     rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
 251                                       "null com.sun.star.configuration."
 252                                       "ConfigurationUpdateAccess")),
 253                     0);
 254             bAdd = true;
 255         }
 256         xConfig = m_xConfig;
 257     }
 258     if (bAdd)
 259     {
 260         // Exceptions here could be handled individually, to support graceful
 261         // degradation (no update notification mechanism in this case---but also
 262         // no dispose notifications):
 263         m_xConfigListener = new WeakPropertyChangeListener(this);
 264         xConfig->addPropertyChangeListener(
 265             rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ShowStatusWindow")),
 266             m_xConfigListener);
 267     }
 268     return xConfig;
 269 }
 270
 271 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */