svtools/source/config/accessibilityoptions.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 <svtools/accessibilityoptions.hxx>
  22
  23 #include <unotools/configmgr.hxx>
  24 #include <com/sun/star/uno/Any.hxx>
  25
  26 #include <com/sun/star/beans/XPropertySet.hpp>
  27 #include <com/sun/star/container/XNameAccess.hpp>
  28 #include <comphelper/configurationhelper.hxx>
  29 #include <comphelper/processfactory.hxx>
  30
  31 #include <vcl/settings.hxx>
  32 #include <vcl/svapp.hxx>
  33 #include <rtl/instance.hxx>
  34 #include <tools/diagnose_ex.h>
  35
  36 #include "itemholder2.hxx"
  37
  38 using namespace utl;
  39 using namespace com::sun::star::uno;
  40
  41 #define HELP_TIP_TIMEOUT 0xffff     // max. timeout setting to pretend a non-timeout
  42
  43 // class SvtAccessibilityOptions_Impl ---------------------------------------------
  44
  45 class SvtAccessibilityOptions_Impl
  46 {
  47 private:
  48     css::uno::Reference< css::container::XNameAccess > m_xCfg;
  49
  50 public:
  51     SvtAccessibilityOptions_Impl();
  52
  53     void        SetVCLSettings();
  54     bool        GetIsForPagePreviews() const;
  55     bool        GetIsHelpTipsDisappear() const;
  56     bool        GetIsAllowAnimatedGraphics() const;
  57     bool        GetIsAllowAnimatedText() const;
  58     bool        GetIsAutomaticFontColor() const;
  59     sal_Int16   GetHelpTipSeconds() const;
  60     bool        IsSelectionInReadonly() const;
  61     sal_Int16   GetEdgeBlending() const;
  62     sal_Int16   GetListBoxMaximumLineCount() const;
  63     sal_Int16   GetColorValueSetColumnCount() const;
  64     bool        GetPreviewUsesCheckeredBackground() const;
  65 };
  66
  67 // initialization of static members --------------------------------------
  68
  69 SvtAccessibilityOptions_Impl* SvtAccessibilityOptions::sm_pSingleImplConfig =nullptr;
  70 sal_Int32                     SvtAccessibilityOptions::sm_nAccessibilityRefCount(0);
  71
  72 namespace
  73 {
  74     struct SingletonMutex
  75         : public rtl::Static< ::osl::Mutex, SingletonMutex > {};
  76 }
  77
  78
  79 // class SvtAccessibilityOptions_Impl ---------------------------------------------
  80
  81 SvtAccessibilityOptions_Impl::SvtAccessibilityOptions_Impl()
  82 {
  83     try
  84     {
  85         m_xCfg.set(
  86             ::comphelper::ConfigurationHelper::openConfig(
  87                 comphelper::getProcessComponentContext(),
  88                 "org.openoffice.Office.Common/Accessibility",
  89                 ::comphelper::EConfigurationModes::Standard ),
  90             css::uno::UNO_QUERY);
  91     }
  92     catch(const css::uno::Exception&)
  93     {
  94         DBG_UNHANDLED_EXCEPTION("svtools.config");
  95         m_xCfg.clear();
  96     }
  97 }
  98
  99 bool SvtAccessibilityOptions_Impl::GetIsForPagePreviews() const
 100 {
 101     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 102     bool                                            bRet = true;
 103
 104     try
 105     {
 106         if(xNode.is())
 107             xNode->getPropertyValue("IsForPagePreviews") >>= bRet;
 108     }
 109     catch(const css::uno::Exception&)
 110     {
 111         DBG_UNHANDLED_EXCEPTION("svtools.config");
 112     }
 113     return bRet;
 114 }
 115
 116 bool SvtAccessibilityOptions_Impl::GetIsHelpTipsDisappear() const
 117 {
 118     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 119     bool                                            bRet = true;
 120
 121     try
 122     {
 123         if(xNode.is())
 124             xNode->getPropertyValue("IsHelpTipsDisappear") >>= bRet;
 125     }
 126     catch(const css::uno::Exception&)
 127     {
 128         DBG_UNHANDLED_EXCEPTION("svtools.config");
 129     }
 130
 131     return bRet;
 132 }
 133
 134 bool SvtAccessibilityOptions_Impl::GetIsAllowAnimatedGraphics() const
 135 {
 136     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 137     bool                                            bRet = true;
 138
 139     try
 140     {
 141         if(xNode.is())
 142             xNode->getPropertyValue("IsAllowAnimatedGraphics") >>= bRet;
 143     }
 144     catch(const css::uno::Exception&)
 145     {
 146         DBG_UNHANDLED_EXCEPTION("svtools.config");
 147     }
 148
 149     return bRet;
 150 }
 151
 152 bool SvtAccessibilityOptions_Impl::GetIsAllowAnimatedText() const
 153 {
 154     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 155     bool                                            bRet = true;
 156
 157     try
 158     {
 159         if(xNode.is())
 160             xNode->getPropertyValue("IsAllowAnimatedText") >>= bRet;
 161     }
 162     catch(const css::uno::Exception&)
 163     {
 164         DBG_UNHANDLED_EXCEPTION("svtools.config");
 165     }
 166
 167     return bRet;
 168 }
 169
 170 bool SvtAccessibilityOptions_Impl::GetIsAutomaticFontColor() const
 171 {
 172     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 173     bool                                            bRet = false;
 174
 175     try
 176     {
 177         if(xNode.is())
 178             xNode->getPropertyValue("IsAutomaticFontColor") >>= bRet;
 179     }
 180     catch(const css::uno::Exception&)
 181     {
 182         DBG_UNHANDLED_EXCEPTION("svtools.config");
 183     }
 184
 185     return bRet;
 186 }
 187
 188 sal_Int16 SvtAccessibilityOptions_Impl::GetHelpTipSeconds() const
 189 {
 190     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 191     sal_Int16                                       nRet = 4;
 192
 193     try
 194     {
 195         if(xNode.is())
 196             xNode->getPropertyValue("HelpTipSeconds") >>= nRet;
 197     }
 198     catch(const css::uno::Exception&)
 199     {
 200         DBG_UNHANDLED_EXCEPTION("svtools.config");
 201     }
 202
 203     return nRet;
 204 }
 205
 206 bool SvtAccessibilityOptions_Impl::IsSelectionInReadonly() const
 207 {
 208     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 209     bool                                            bRet = false;
 210
 211     try
 212     {
 213         if(xNode.is())
 214             xNode->getPropertyValue("IsSelectionInReadonly") >>= bRet;
 215     }
 216     catch(const css::uno::Exception&)
 217     {
 218         DBG_UNHANDLED_EXCEPTION("svtools.config");
 219     }
 220
 221     return bRet;
 222 }
 223
 224 sal_Int16 SvtAccessibilityOptions_Impl::GetEdgeBlending() const
 225 {
 226     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 227     sal_Int16 nRet = 35;
 228
 229     try
 230     {
 231         if(xNode.is())
 232             xNode->getPropertyValue("EdgeBlending") >>= nRet;
 233     }
 234     catch(const css::uno::Exception&)
 235     {
 236         DBG_UNHANDLED_EXCEPTION("svtools.config");
 237     }
 238
 239     return nRet;
 240 }
 241
 242 sal_Int16 SvtAccessibilityOptions_Impl::GetListBoxMaximumLineCount() const
 243 {
 244     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 245     sal_Int16 nRet = 25;
 246
 247     try
 248     {
 249         if(xNode.is())
 250             xNode->getPropertyValue("ListBoxMaximumLineCount") >>= nRet;
 251     }
 252     catch(const css::uno::Exception&)
 253     {
 254         DBG_UNHANDLED_EXCEPTION("svtools.config");
 255     }
 256
 257     return nRet;
 258 }
 259
 260 sal_Int16 SvtAccessibilityOptions_Impl::GetColorValueSetColumnCount() const
 261 {
 262 #ifdef IOS
 263     return 4;
 264 #else
 265     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 266     sal_Int16 nRet = 12;
 267
 268     try
 269     {
 270         if(xNode.is())
 271             xNode->getPropertyValue("ColorValueSetColumnCount") >>= nRet;
 272     }
 273     catch(const css::uno::Exception&)
 274     {
 275         DBG_UNHANDLED_EXCEPTION("svtools.config");
 276     }
 277
 278     return nRet;
 279 #endif
 280 }
 281
 282 bool SvtAccessibilityOptions_Impl::GetPreviewUsesCheckeredBackground() const
 283 {
 284     css::uno::Reference< css::beans::XPropertySet > xNode(m_xCfg, css::uno::UNO_QUERY);
 285     bool bRet = false;
 286
 287     try
 288     {
 289         if(xNode.is())
 290             xNode->getPropertyValue("PreviewUsesCheckeredBackground") >>= bRet;
 291     }
 292     catch(const css::uno::Exception&)
 293     {
 294         DBG_UNHANDLED_EXCEPTION("svtools.config");
 295     }
 296
 297     return bRet;
 298 }
 299
 300 void SvtAccessibilityOptions_Impl::SetVCLSettings()
 301 {
 302     AllSettings aAllSettings(Application::GetSettings());
 303     StyleSettings aStyleSettings(aAllSettings.GetStyleSettings());
 304     HelpSettings aHelpSettings(aAllSettings.GetHelpSettings());
 305     bool StyleSettingsChanged(false);
 306
 307     aHelpSettings.SetTipTimeout( GetIsHelpTipsDisappear() ? GetHelpTipSeconds() * 1000 : HELP_TIP_TIMEOUT);
 308     aAllSettings.SetHelpSettings(aHelpSettings);
 309
 310     const sal_Int16 nEdgeBlendingCountA(GetEdgeBlending());
 311     OSL_ENSURE(nEdgeBlendingCountA >= 0, "OOps, negative values for EdgeBlending are not allowed (!)");
 312     const sal_uInt16 nEdgeBlendingCountB(static_cast< sal_uInt16 >(nEdgeBlendingCountA >= 0 ? nEdgeBlendingCountA : 0));
 313
 314     if(aStyleSettings.GetEdgeBlending() != nEdgeBlendingCountB)
 315     {
 316         aStyleSettings.SetEdgeBlending(nEdgeBlendingCountB);
 317         StyleSettingsChanged = true;
 318     }
 319
 320     const sal_Int16 nMaxLineCountA(GetListBoxMaximumLineCount());
 321     OSL_ENSURE(nMaxLineCountA >= 0, "OOps, negative values for ListBoxMaximumLineCount are not allowed (!)");
 322     const sal_uInt16 nMaxLineCountB(static_cast< sal_uInt16 >(nMaxLineCountA >= 0 ? nMaxLineCountA : 0));
 323
 324     if(aStyleSettings.GetListBoxMaximumLineCount() != nMaxLineCountB)
 325     {
 326         aStyleSettings.SetListBoxMaximumLineCount(nMaxLineCountB);
 327         StyleSettingsChanged = true;
 328     }
 329
 330     const sal_Int16 nMaxColumnCountA(GetColorValueSetColumnCount());
 331     OSL_ENSURE(nMaxColumnCountA >= 0, "OOps, negative values for ColorValueSetColumnCount are not allowed (!)");
 332     const sal_uInt16 nMaxColumnCountB(static_cast< sal_uInt16 >(nMaxColumnCountA >= 0 ? nMaxColumnCountA : 0));
 333
 334     if(aStyleSettings.GetColorValueSetColumnCount() != nMaxColumnCountB)
 335     {
 336         aStyleSettings.SetColorValueSetColumnCount(nMaxColumnCountB);
 337         StyleSettingsChanged = true;
 338     }
 339
 340     const bool bPreviewUsesCheckeredBackground(GetPreviewUsesCheckeredBackground());
 341
 342     if(aStyleSettings.GetPreviewUsesCheckeredBackground() != bPreviewUsesCheckeredBackground)
 343     {
 344         aStyleSettings.SetPreviewUsesCheckeredBackground(bPreviewUsesCheckeredBackground);
 345         StyleSettingsChanged = true;
 346     }
 347
 348     if(StyleSettingsChanged)
 349     {
 350         aAllSettings.SetStyleSettings(aStyleSettings);
 351         Application::MergeSystemSettings(aAllSettings);
 352     }
 353
 354     Application::SetSettings(aAllSettings);
 355 }
 356
 357 // class SvtAccessibilityOptions --------------------------------------------------
 358
 359 SvtAccessibilityOptions::SvtAccessibilityOptions()
 360 {
 361     if (!utl::ConfigManager::IsFuzzing())
 362     {
 363         ::osl::MutexGuard aGuard( SingletonMutex::get() );
 364         if(!sm_pSingleImplConfig)
 365         {
 366             sm_pSingleImplConfig = new SvtAccessibilityOptions_Impl;
 367             svtools::ItemHolder2::holdConfigItem(EItem::AccessibilityOptions);
 368         }
 369         ++sm_nAccessibilityRefCount;
 370     }
 371     //StartListening( *sm_pSingleImplConfig, sal_True );
 372 }
 373
 374 SvtAccessibilityOptions::~SvtAccessibilityOptions()
 375 {
 376     //EndListening( *sm_pSingleImplConfig, sal_True );
 377     ::osl::MutexGuard aGuard( SingletonMutex::get() );
 378     if( !--sm_nAccessibilityRefCount )
 379     {
 380         //if( sm_pSingleImplConfig->IsModified() )
 381         //  sm_pSingleImplConfig->Commit();
 382         delete sm_pSingleImplConfig;
 383         sm_pSingleImplConfig = nullptr;
 384     }
 385 }
 386
 387 bool SvtAccessibilityOptions::GetIsForPagePreviews() const
 388 {
 389     return sm_pSingleImplConfig->GetIsForPagePreviews();
 390 }
 391 bool SvtAccessibilityOptions::GetIsAllowAnimatedGraphics() const
 392 {
 393     return sm_pSingleImplConfig->GetIsAllowAnimatedGraphics();
 394 }
 395 bool SvtAccessibilityOptions::GetIsAllowAnimatedText() const
 396 {
 397     return sm_pSingleImplConfig->GetIsAllowAnimatedText();
 398 }
 399 bool SvtAccessibilityOptions::GetIsAutomaticFontColor() const
 400 {
 401     return sm_pSingleImplConfig->GetIsAutomaticFontColor();
 402 }
 403 bool SvtAccessibilityOptions::IsSelectionInReadonly() const
 404 {
 405     return sm_pSingleImplConfig->IsSelectionInReadonly();
 406 }
 407
 408
 409 void SvtAccessibilityOptions::SetVCLSettings()
 410 {
 411     sm_pSingleImplConfig->SetVCLSettings();
 412 }
 413
 414
 415 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */