vcl/source/app/IconThemeSelector.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
  10 #include <comphelper/lok.hxx>
  11
  12 #include <IconThemeSelector.hxx>
  13
  14 #include <tools/color.hxx>
  15 #include <vcl/IconThemeInfo.hxx>
  16 #include <vcl/settings.hxx>
  17 #include <vcl/svapp.hxx>
  18 #include <config_mpl.h>
  19
  20 #include <algorithm>
  21
  22 namespace vcl {
  23
  24 namespace {
  25
  26     class SameTheme
  27     {
  28     private:
  29         const OUString& m_rThemeId;
  30     public:
  31         explicit SameTheme(const OUString &rThemeId) : m_rThemeId(rThemeId) {}
  32         bool operator()(const vcl::IconThemeInfo &rInfo)
  33         {
  34             return m_rThemeId == rInfo.GetThemeId();
  35         }
  36     };
  37
  38 bool icon_theme_is_in_installed_themes(const OUString& theme,
  39         const std::vector<IconThemeInfo>& installedThemes)
  40 {
  41     return std::any_of(installedThemes.begin(), installedThemes.end(),
  42                        SameTheme(theme));
  43 }
  44
  45 } // end anonymous namespace
  46
  47 IconThemeSelector::IconThemeSelector()
  48     : mUseHighContrastTheme(false)
  49     , mPreferDarkIconTheme(false)
  50 {
  51 }
  52
  53 /*static*/ OUString
  54 IconThemeSelector::GetIconThemeForDesktopEnvironment(const OUString& desktopEnvironment, bool bPreferDarkIconTheme)
  55 {
  56     if (comphelper::LibreOfficeKit::isActive())
  57     {
  58         if (!bPreferDarkIconTheme)
  59             return u"colibre"_ustr;
  60         else
  61             return u"colibre_dark"_ustr;
  62     }
  63
  64 #ifdef _WIN32
  65     (void)desktopEnvironment;
  66     if (!bPreferDarkIconTheme)
  67         return "colibre";
  68     else
  69         return "colibre_dark";
  70 #else
  71     OUString r;
  72     if ( desktopEnvironment.equalsIgnoreAsciiCase("plasma5") ||
  73          desktopEnvironment.equalsIgnoreAsciiCase("plasma6") ||
  74          desktopEnvironment.equalsIgnoreAsciiCase("lxqt") ) {
  75         if (!bPreferDarkIconTheme)
  76             r = "breeze";
  77         else
  78             r = "breeze_dark";
  79     }
  80     else if ( desktopEnvironment.equalsIgnoreAsciiCase("macosx") ) {
  81         if (!bPreferDarkIconTheme)
  82             r = "sukapura_svg";
  83         else
  84             r = "sukapura_dark_svg";
  85     }
  86     else if ( desktopEnvironment.equalsIgnoreAsciiCase("gnome") ||
  87          desktopEnvironment.equalsIgnoreAsciiCase("mate") ||
  88          desktopEnvironment.equalsIgnoreAsciiCase("unity") ) {
  89         if (!bPreferDarkIconTheme)
  90             r = "elementary";
  91         else
  92             r = "sifr_dark";
  93     } else
  94     {
  95         if (!bPreferDarkIconTheme)
  96             r = FALLBACK_LIGHT_ICON_THEME_ID;
  97         else
  98             r = FALLBACK_DARK_ICON_THEME_ID;
  99     }
 100     return r;
 101 #endif // _WIN32
 102 }
 103
 104 OUString
 105 IconThemeSelector::SelectIconThemeForDesktopEnvironment(
 106         const std::vector<IconThemeInfo>& installedThemes,
 107         const OUString& desktopEnvironment) const
 108 {
 109     if (!mPreferredIconTheme.isEmpty()) {
 110         if (icon_theme_is_in_installed_themes(mPreferredIconTheme, installedThemes)) {
 111             return mPreferredIconTheme;
 112         }
 113     }
 114
 115     OUString themeForDesktop = GetIconThemeForDesktopEnvironment(desktopEnvironment, mPreferDarkIconTheme);
 116     if (icon_theme_is_in_installed_themes(themeForDesktop, installedThemes)) {
 117         return themeForDesktop;
 118     }
 119
 120     return ReturnFallback(installedThemes);
 121 }
 122
 123 OUString
 124 IconThemeSelector::SelectIconTheme(
 125         const std::vector<IconThemeInfo>& installedThemes,
 126         const OUString& theme) const
 127 {
 128     if (mUseHighContrastTheme) {
 129         const Color aCol(Application::GetSettings().GetStyleSettings().GetWindowColor());
 130         const OUString name(aCol.IsDark() ? IconThemeInfo::HIGH_CONTRAST_ID_DARK
 131                                           : IconThemeInfo::HIGH_CONTRAST_ID_BRIGHT);
 132         if (icon_theme_is_in_installed_themes(name, installedThemes)) {
 133             return name;
 134         }
 135     }
 136
 137     if (icon_theme_is_in_installed_themes(theme, installedThemes)) {
 138         return theme;
 139     }
 140
 141     return ReturnFallback(installedThemes);
 142 }
 143
 144 void
 145 IconThemeSelector::SetUseHighContrastTheme(bool v)
 146 {
 147     mUseHighContrastTheme = v;
 148 }
 149
 150 bool
 151 IconThemeSelector::SetPreferredIconTheme(const OUString& theme, bool bDarkIconTheme)
 152 {
 153     // lower case theme name, and (tdf#120175) replace - with _
 154     // see icon-themes/README
 155     OUString sIconTheme = theme.toAsciiLowerCase().replace('-','_');
 156
 157     const bool bChanged = mPreferredIconTheme != sIconTheme || mPreferDarkIconTheme != bDarkIconTheme;
 158     if (bChanged)
 159     {
 160         mPreferredIconTheme = sIconTheme;
 161         mPreferDarkIconTheme = bDarkIconTheme;
 162     }
 163     return bChanged;
 164 }
 165
 166 /*static*/ OUString
 167 IconThemeSelector::ReturnFallback(const std::vector<IconThemeInfo>& installedThemes)
 168 {
 169     if (!installedThemes.empty()) {
 170         return installedThemes.front().GetThemeId();
 171     }
 172     else {
 173         return FALLBACK_LIGHT_ICON_THEME_ID;
 174     }
 175 }
 176
 177 } /* namespace vcl */
 178
 179 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */