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 "colibre";
  60         else
  61             return "colibre_dark";
  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("lxqt") ) {
  74         if (!bPreferDarkIconTheme)
  75             r = "breeze";
  76         else
  77             r = "breeze_dark";
  78     }
  79     else if ( desktopEnvironment.equalsIgnoreAsciiCase("macosx") ) {
  80         if (!bPreferDarkIconTheme)
  81             r = "sukapura";
  82         else
  83             r = "sukapura_dark";
  84     }
  85     else if ( desktopEnvironment.equalsIgnoreAsciiCase("gnome") ||
  86          desktopEnvironment.equalsIgnoreAsciiCase("mate") ||
  87          desktopEnvironment.equalsIgnoreAsciiCase("unity") ) {
  88         if (!bPreferDarkIconTheme)
  89             r = "elementary";
  90         else
  91             r = "sifr_dark";
  92     } else
  93     {
  94         if (!bPreferDarkIconTheme)
  95             r = FALLBACK_LIGHT_ICON_THEME_ID;
  96         else
  97             r = FALLBACK_DARK_ICON_THEME_ID;
  98     }
  99     return r;
 100 #endif // _WIN32
 101 }
 102
 103 OUString
 104 IconThemeSelector::SelectIconThemeForDesktopEnvironment(
 105         const std::vector<IconThemeInfo>& installedThemes,
 106         const OUString& desktopEnvironment) const
 107 {
 108     if (!mPreferredIconTheme.isEmpty()) {
 109         if (icon_theme_is_in_installed_themes(mPreferredIconTheme, installedThemes)) {
 110             return mPreferredIconTheme;
 111         }
 112     }
 113
 114     OUString themeForDesktop = GetIconThemeForDesktopEnvironment(desktopEnvironment, mPreferDarkIconTheme);
 115     if (icon_theme_is_in_installed_themes(themeForDesktop, installedThemes)) {
 116         return themeForDesktop;
 117     }
 118
 119     return ReturnFallback(installedThemes);
 120 }
 121
 122 OUString
 123 IconThemeSelector::SelectIconTheme(
 124         const std::vector<IconThemeInfo>& installedThemes,
 125         const OUString& theme) const
 126 {
 127     if (mUseHighContrastTheme) {
 128         const Color aCol(Application::GetSettings().GetStyleSettings().GetWindowColor());
 129         const OUString name(aCol.IsDark() ? OUString(IconThemeInfo::HIGH_CONTRAST_ID_DARK)
 130                                           : OUString(IconThemeInfo::HIGH_CONTRAST_ID_BRIGHT));
 131         if (icon_theme_is_in_installed_themes(name, installedThemes)) {
 132             return name;
 133         }
 134     }
 135
 136     if (icon_theme_is_in_installed_themes(theme, installedThemes)) {
 137         return theme;
 138     }
 139
 140     return ReturnFallback(installedThemes);
 141 }
 142
 143 void
 144 IconThemeSelector::SetUseHighContrastTheme(bool v)
 145 {
 146     mUseHighContrastTheme = v;
 147 }
 148
 149 bool
 150 IconThemeSelector::SetPreferredIconTheme(const OUString& theme, bool bDarkIconTheme)
 151 {
 152     // lower case theme name, and (tdf#120175) replace - with _
 153     // see icon-themes/README
 154     OUString sIconTheme = theme.toAsciiLowerCase().replace('-','_');
 155
 156     const bool bChanged = mPreferredIconTheme != sIconTheme || mPreferDarkIconTheme != bDarkIconTheme;
 157     if (bChanged)
 158     {
 159         mPreferredIconTheme = sIconTheme;
 160         mPreferDarkIconTheme = bDarkIconTheme;
 161     }
 162     return bChanged;
 163 }
 164
 165 bool
 166 IconThemeSelector::operator==(const vcl::IconThemeSelector& other) const
 167 {
 168     if (this == &other) {
 169         return true;
 170     }
 171     if (mPreferredIconTheme != other.mPreferredIconTheme) {
 172         return false;
 173     }
 174     if (mPreferDarkIconTheme != other.mPreferDarkIconTheme) {
 175         return false;
 176     }
 177     if (mUseHighContrastTheme != other.mUseHighContrastTheme) {
 178         return false;
 179     }
 180     return true;
 181 }
 182
 183 bool
 184 IconThemeSelector::operator!=(const vcl::IconThemeSelector& other) const
 185 {
 186     return !(*this == other);
 187 }
 188
 189 /*static*/ OUString
 190 IconThemeSelector::ReturnFallback(const std::vector<IconThemeInfo>& installedThemes)
 191 {
 192     if (!installedThemes.empty()) {
 193         return installedThemes.front().GetThemeId();
 194     }
 195     else {
 196         return FALLBACK_LIGHT_ICON_THEME_ID;
 197     }
 198 }
 199
 200 } /* namespace vcl */
 201
 202 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */