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 <comphelper/diagnose_ex.hxx>
  34 #include <officecfg/Office/Common.hxx>
  35
  36 #include <mutex>
  37
  38 #include "itemholder2.hxx"
  39
  40 using namespace utl;
  41 using namespace com::sun::star::uno;
  42
  43 #define HELP_TIP_TIMEOUT 0xffff     // max. timeout setting to pretend a non-timeout
  44
  45 // class SvtAccessibilityOptions_Impl ---------------------------------------------
  46
  47 class SvtAccessibilityOptions_Impl
  48 {
  49 private:
  50     css::uno::Reference< css::container::XNameAccess > m_xCfg;
  51     css::uno::Reference< css::beans::XPropertySet > m_xNode;
  52
  53 public:
  54     SvtAccessibilityOptions_Impl();
  55 };
  56
  57 // initialization of static members --------------------------------------
  58
  59 SvtAccessibilityOptions_Impl* SvtAccessibilityOptions::sm_pSingleImplConfig =nullptr;
  60 sal_Int32                     SvtAccessibilityOptions::sm_nAccessibilityRefCount(0);
  61
  62 namespace
  63 {
  64     std::mutex& SingletonMutex()
  65     {
  66         static std::mutex SINGLETON;
  67         return SINGLETON;
  68     }
  69 }
  70
  71
  72 // class SvtAccessibilityOptions_Impl ---------------------------------------------
  73
  74 SvtAccessibilityOptions_Impl::SvtAccessibilityOptions_Impl()
  75 {
  76     try
  77     {
  78         m_xCfg.set(
  79             ::comphelper::ConfigurationHelper::openConfig(
  80                 comphelper::getProcessComponentContext(),
  81                 "org.openoffice.Office.Common/Accessibility",
  82                 ::comphelper::EConfigurationModes::Standard ),
  83             css::uno::UNO_QUERY);
  84         m_xNode.set(m_xCfg, css::uno::UNO_QUERY);
  85     }
  86     catch(const css::uno::Exception&)
  87     {
  88         DBG_UNHANDLED_EXCEPTION("svtools.config");
  89         m_xCfg.clear();
  90     }
  91 }
  92
  93 void SvtAccessibilityOptions::SetVCLSettings()
  94 {
  95     AllSettings aAllSettings(Application::GetSettings());
  96     StyleSettings aStyleSettings(aAllSettings.GetStyleSettings());
  97     HelpSettings aHelpSettings(aAllSettings.GetHelpSettings());
  98     bool StyleSettingsChanged(false);
  99
 100     bool bHelpTipsDisappear = officecfg::Office::Common::Accessibility::IsHelpTipsDisappear::get();
 101     sal_Int16 nHelpTipSeconds = officecfg::Office::Common::Accessibility::HelpTipSeconds::get();
 102     aHelpSettings.SetTipTimeout( bHelpTipsDisappear ? nHelpTipSeconds * 1000 : HELP_TIP_TIMEOUT);
 103     aAllSettings.SetHelpSettings(aHelpSettings);
 104
 105     std::optional<sal_Int16> nEdgeBlendingCount(officecfg::Office::Common::Accessibility::EdgeBlending::get());
 106     if (!nEdgeBlendingCount)
 107         nEdgeBlendingCount = 35;
 108     OSL_ENSURE(*nEdgeBlendingCount >= 0, "OOps, negative values for EdgeBlending are not allowed (!)");
 109     if (*nEdgeBlendingCount < 0)
 110         nEdgeBlendingCount = 0;
 111
 112     if(aStyleSettings.GetEdgeBlending() != *nEdgeBlendingCount)
 113     {
 114         aStyleSettings.SetEdgeBlending(*nEdgeBlendingCount);
 115         StyleSettingsChanged = true;
 116     }
 117
 118     std::optional<sal_Int16> nMaxLineCount(officecfg::Office::Common::Accessibility::ListBoxMaximumLineCount::get());
 119     if (!nMaxLineCount)
 120         nMaxLineCount = 25;
 121     OSL_ENSURE(*nMaxLineCount >= 0, "OOps, negative values for ListBoxMaximumLineCount are not allowed (!)");
 122     if (*nMaxLineCount < 0)
 123         nMaxLineCount = 0;
 124
 125     if(aStyleSettings.GetListBoxMaximumLineCount() != *nMaxLineCount)
 126     {
 127         aStyleSettings.SetListBoxMaximumLineCount(*nMaxLineCount);
 128         StyleSettingsChanged = true;
 129     }
 130
 131 #ifdef IOS
 132     std::optional<sal_Int16> nMaxColumnCount = 4;
 133 #else
 134     std::optional<sal_Int16> nMaxColumnCount(officecfg::Office::Common::Accessibility::ColorValueSetColumnCount::get());
 135     if (!nMaxColumnCount)
 136         nMaxColumnCount = 12;
 137 #endif
 138
 139     OSL_ENSURE(*nMaxColumnCount >= 0, "OOps, negative values for ColorValueSetColumnCount are not allowed (!)");
 140     if (*nMaxColumnCount < 0)
 141         nMaxColumnCount = 0;
 142
 143     if(aStyleSettings.GetColorValueSetColumnCount() != *nMaxColumnCount)
 144     {
 145         aStyleSettings.SetColorValueSetColumnCount(*nMaxColumnCount);
 146         StyleSettingsChanged = true;
 147     }
 148
 149     std::optional<bool> bTmp = officecfg::Office::Common::Accessibility::PreviewUsesCheckeredBackground::get();
 150     const bool bPreviewUsesCheckeredBackground = bTmp.value_or(false);
 151
 152     if(aStyleSettings.GetPreviewUsesCheckeredBackground() != bPreviewUsesCheckeredBackground)
 153     {
 154         aStyleSettings.SetPreviewUsesCheckeredBackground(bPreviewUsesCheckeredBackground);
 155         StyleSettingsChanged = true;
 156     }
 157
 158     if(StyleSettingsChanged)
 159     {
 160         aAllSettings.SetStyleSettings(aStyleSettings);
 161         Application::MergeSystemSettings(aAllSettings);
 162     }
 163
 164     Application::SetSettings(aAllSettings);
 165 }
 166
 167 // class SvtAccessibilityOptions --------------------------------------------------
 168
 169 SvtAccessibilityOptions::SvtAccessibilityOptions()
 170 {
 171     if (!utl::ConfigManager::IsFuzzing())
 172     {
 173         std::unique_lock aGuard( SingletonMutex() );
 174         if(!sm_pSingleImplConfig)
 175         {
 176             sm_pSingleImplConfig = new SvtAccessibilityOptions_Impl;
 177             aGuard.unlock(); // because holdConfigItem will call this constructor
 178             svtools::ItemHolder2::holdConfigItem(EItem::AccessibilityOptions);
 179         }
 180         ++sm_nAccessibilityRefCount;
 181     }
 182     //StartListening( *sm_pSingleImplConfig, sal_True );
 183 }
 184
 185 SvtAccessibilityOptions::~SvtAccessibilityOptions()
 186 {
 187     //EndListening( *sm_pSingleImplConfig, sal_True );
 188     std::unique_lock aGuard( SingletonMutex() );
 189     if( !--sm_nAccessibilityRefCount )
 190     {
 191         //if( sm_pSingleImplConfig->IsModified() )
 192         //  sm_pSingleImplConfig->Commit();
 193         delete sm_pSingleImplConfig;
 194         sm_pSingleImplConfig = nullptr;
 195     }
 196 }
 197 bool SvtAccessibilityOptions::GetIsAllowAnimatedGraphics()
 198 {
 199     return officecfg::Office::Common::Accessibility::IsAllowAnimatedGraphics::get();
 200 }
 201 bool SvtAccessibilityOptions::GetIsAllowAnimatedText()
 202 {
 203     return officecfg::Office::Common::Accessibility::IsAllowAnimatedText::get();
 204 }
 205 bool SvtAccessibilityOptions::GetIsAutomaticFontColor()
 206 {
 207     return officecfg::Office::Common::Accessibility::IsAutomaticFontColor::get();
 208 }
 209 bool SvtAccessibilityOptions::IsSelectionInReadonly()
 210 {
 211     return officecfg::Office::Common::Accessibility::IsSelectionInReadonly::get();
 212 }
 213
 214
 215 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */