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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include <vcl/IconThemeSelector.hxx>
#include <vcl/IconThemeScanner.hxx>
#include <vcl/IconThemeInfo.hxx>
#include <config_mpl.h>
#include <algorithm>
namespace vcl {
/*static*/ const OUStringLiteral IconThemeSelector::FALLBACK_ICON_THEME_ID("tango");
namespace {
class SameTheme
{
private:
const OUString& m_rThemeId;
public:
explicit SameTheme(const OUString &rThemeId) : m_rThemeId(rThemeId) {}
bool operator()(const vcl::IconThemeInfo &rInfo)
{
return m_rThemeId == rInfo.GetThemeId();
}
};
bool icon_theme_is_in_installed_themes(const OUString& theme,
const std::vector<IconThemeInfo>& installedThemes)
{
return std::any_of(installedThemes.begin(), installedThemes.end(),
SameTheme(theme));
}
} // end anonymous namespace
IconThemeSelector::IconThemeSelector()
: mUseHighContrastTheme(false)
, mPreferDarkIconTheme(false)
{
}
/*static*/ OUString
IconThemeSelector::GetIconThemeForDesktopEnvironment(const OUString& desktopEnvironment)
{
#ifdef _WIN32
(void)desktopEnvironment;
return OUString("colibre");
#else
OUString r;
if ( desktopEnvironment.equalsIgnoreAsciiCase("kde5") ||
desktopEnvironment.equalsIgnoreAsciiCase("lxqt") ) {
r = "breeze";
}
else if ( desktopEnvironment.equalsIgnoreAsciiCase("macosx") ) {
#if MPL_HAVE_SUBSET
r = "tango";
#else
r = "breeze";
#endif
}
else if ( desktopEnvironment.equalsIgnoreAsciiCase("gnome") ||
desktopEnvironment.equalsIgnoreAsciiCase("mate") ||
desktopEnvironment.equalsIgnoreAsciiCase("unity") ) {
r = "elementary";
} else
{
r = FALLBACK_ICON_THEME_ID;
}
return r;
#endif // _WIN32
}
OUString
IconThemeSelector::SelectIconThemeForDesktopEnvironment(
const std::vector<IconThemeInfo>& installedThemes,
const OUString& desktopEnvironment) const
{
if (!mPreferredIconTheme.isEmpty()) {
if (icon_theme_is_in_installed_themes(mPreferredIconTheme, installedThemes)) {
return mPreferredIconTheme;
}
//if a dark variant is preferred, and we didn't have an exact match, then try our one and only dark theme
if (mPreferDarkIconTheme && icon_theme_is_in_installed_themes("breeze_dark", installedThemes)) {
return OUString("breeze_dark");
}
}
OUString themeForDesktop = GetIconThemeForDesktopEnvironment(desktopEnvironment);
if (icon_theme_is_in_installed_themes(themeForDesktop, installedThemes)) {
return themeForDesktop;
}
return ReturnFallback(installedThemes);
}
OUString
IconThemeSelector::SelectIconTheme(
const std::vector<IconThemeInfo>& installedThemes,
const OUString& theme) const
{
if (mUseHighContrastTheme) {
if (icon_theme_is_in_installed_themes(IconThemeInfo::HIGH_CONTRAST_ID, installedThemes)) {
return IconThemeInfo::HIGH_CONTRAST_ID;
}
}
if (icon_theme_is_in_installed_themes(theme, installedThemes)) {
return theme;
}
return ReturnFallback(installedThemes);
}
void
IconThemeSelector::SetUseHighContrastTheme(bool v)
{
mUseHighContrastTheme = v;
}
void
IconThemeSelector::SetPreferredIconTheme(const OUString& theme, bool bDarkIconTheme)
{
// lower case theme name, and (tdf#120175) replace - with _
// see icon-themes/README
mPreferredIconTheme = theme.toAsciiLowerCase().replace('-','_');
mPreferDarkIconTheme = bDarkIconTheme;
}
bool
IconThemeSelector::operator==(const vcl::IconThemeSelector& other) const
{
if (this == &other) {
return true;
}
if (mPreferredIconTheme != other.mPreferredIconTheme) {
return false;
}
if (mPreferDarkIconTheme != other.mPreferDarkIconTheme) {
return false;
}
if (mUseHighContrastTheme != other.mUseHighContrastTheme) {
return false;
}
return true;
}
bool
IconThemeSelector::operator!=(const vcl::IconThemeSelector& other) const
{
return !((*this) == other);
}
/*static*/ OUString
IconThemeSelector::ReturnFallback(const std::vector<IconThemeInfo>& installedThemes)
{
if (!installedThemes.empty()) {
return installedThemes.front().GetThemeId();
}
else {
return FALLBACK_ICON_THEME_ID;
}
}
} /* namespace vcl */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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