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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 <algorithm>
namespace vcl {
/*static*/ const OUString
IconThemeSelector::HIGH_CONTRAST_ICON_THEME_ID("hicontrast");
/*static*/ const OUString
IconThemeSelector::FALLBACK_ICON_THEME_ID("tango");
namespace {
class SameTheme :
public std::unary_function<const vcl::IconThemeInfo &, bool>
{
private:
const OUString& m_rThemeId;
public:
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::find_if(installedThemes.begin(), installedThemes.end(),
SameTheme(theme)
) != installedThemes.end();
}
} // end anonymous namespace
IconThemeSelector::IconThemeSelector()
: mUseHighContrastTheme(false)
{
}
/*static*/ OUString
IconThemeSelector::GetIconThemeForDesktopEnvironment(const OUString& desktopEnvironment)
{
OUString r;
if ( desktopEnvironment.equalsIgnoreAsciiCase("tde") ||
desktopEnvironment.equalsIgnoreAsciiCase("kde") ) {
r = "crystal";
}
else if ( desktopEnvironment.equalsIgnoreAsciiCase("kde4") ) {
r = "oxygen";
}
else {
r = FALLBACK_ICON_THEME_ID;
}
return r;
}
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;
}
}
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(HIGH_CONTRAST_ICON_THEME_ID, installedThemes)) {
return HIGH_CONTRAST_ICON_THEME_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)
{
mPreferredIconTheme = theme;
}
bool
IconThemeSelector::operator==(const vcl::IconThemeSelector& other) const
{
if (this == &other) {
return true;
}
if (mPreferredIconTheme != other.mPreferredIconTheme) {
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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