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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/IconThemeInfo.hxx>
#include <rtl/character.hxx>
#include <stdexcept>
#include <algorithm>
// constants for theme ids and display names. Only the theme id for high contrast is used
// outside of this class and hence made public.
const OUStringLiteral vcl::IconThemeInfo::HIGH_CONTRAST_ID("sifr");
namespace {
static const OUStringLiteral KARASA_JAGA_ID("karasa_jaga");
static const OUStringLiteral KARASA_JAGA_DISPLAY_NAME("Karasa Jaga");
static const OUStringLiteral HELPIMG_FAKE_THEME("helpimg");
OUString
filename_from_url(const OUString& url)
{
sal_Int32 slashPosition = url.lastIndexOf( '/' );
if (slashPosition < 0) {
return OUString();
}
OUString filename = url.copy( slashPosition+1 );
return filename;
}
} // end anonymous namespace
namespace vcl {
static const char ICON_THEME_PACKAGE_PREFIX[] = "images_";
static const char EXTENSION_FOR_ICON_PACKAGES[] = ".zip";
IconThemeInfo::IconThemeInfo()
{
}
IconThemeInfo::IconThemeInfo(const OUString& urlToFile)
: mUrlToFile(urlToFile)
{
OUString filename = filename_from_url(urlToFile);
if (filename.isEmpty()) {
throw std::runtime_error("invalid URL passed to IconThemeInfo()");
}
mThemeId = FileNameToThemeId(filename);
mDisplayName = ThemeIdToDisplayName(mThemeId);
}
/*static*/ Size
IconThemeInfo::SizeByThemeName(const OUString& themeName)
{
if (themeName == "galaxy") { //kept for compiler because of unused parameter 'themeName'
return Size( 26, 26 );
}
else {
return Size( 24, 24 );
}
}
/*static*/ bool
IconThemeInfo::UrlCanBeParsed(const OUString& url)
{
OUString fname = filename_from_url(url);
if (fname.isEmpty()) {
return false;
}
if (!fname.startsWithIgnoreAsciiCase(ICON_THEME_PACKAGE_PREFIX)) {
return false;
}
if (!fname.endsWithIgnoreAsciiCase(EXTENSION_FOR_ICON_PACKAGES)) {
return false;
}
if (fname.indexOf(HELPIMG_FAKE_THEME) != -1 ) {
return false;
}
return true;
}
/*static*/ OUString
IconThemeInfo::FileNameToThemeId(const OUString& filename)
{
OUString r;
sal_Int32 positionOfLastDot = filename.lastIndexOf(EXTENSION_FOR_ICON_PACKAGES);
if (positionOfLastDot < 0) { // -1 means index not found
throw std::runtime_error("IconThemeInfo::FileNameToThemeId() called with invalid filename.");
}
sal_Int32 positionOfFirstUnderscore = filename.indexOf(ICON_THEME_PACKAGE_PREFIX);
if (positionOfFirstUnderscore < 0) { // -1 means index not found. Use the whole name instead
throw std::runtime_error("IconThemeInfo::FileNameToThemeId() called with invalid filename.");
}
positionOfFirstUnderscore += RTL_CONSTASCII_LENGTH(ICON_THEME_PACKAGE_PREFIX);
r = filename.copy(positionOfFirstUnderscore, positionOfLastDot - positionOfFirstUnderscore);
return r;
}
/*static*/ OUString
IconThemeInfo::ThemeIdToDisplayName(const OUString& themeId)
{
if (themeId.isEmpty()) {
throw std::runtime_error("IconThemeInfo::ThemeIdToDisplayName() called with invalid id.");
}
// Strip _svg and _dark filename "extensions"
OUString aDisplayName = themeId;
bool bIsSvg = aDisplayName.endsWith("_svg", &aDisplayName);
bool bIsDark = aDisplayName.endsWith("_dark", &aDisplayName);
if (!bIsSvg && bIsDark)
bIsSvg = aDisplayName.endsWith("_svg", &aDisplayName);
// special cases
if (aDisplayName.equalsIgnoreAsciiCase(KARASA_JAGA_ID)) {
aDisplayName = KARASA_JAGA_DISPLAY_NAME;
}
else
{
// make the first letter uppercase
sal_Unicode firstLetter = aDisplayName[0];
if (rtl::isAsciiLowerCase(firstLetter))
{
aDisplayName = OUStringChar(sal_Unicode(rtl::toAsciiUpperCase(firstLetter))) + aDisplayName.copy(1);
}
}
if (bIsSvg && bIsDark)
aDisplayName += " (SVG + dark)";
else if (bIsSvg)
aDisplayName += " (SVG)";
else if (bIsDark)
aDisplayName += " (dark)";
return aDisplayName;
}
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();
}
};
}
/*static*/ const vcl::IconThemeInfo&
IconThemeInfo::FindIconThemeById(const std::vector<vcl::IconThemeInfo>& themes, const OUString& themeId)
{
std::vector<vcl::IconThemeInfo>::const_iterator it = std::find_if(themes.begin(), themes.end(),
SameTheme(themeId));
if (it == themes.end())
{
throw std::runtime_error("Could not find theme id in theme vector.");
}
return *it;
}
/*static*/ bool
IconThemeInfo::IconThemeIsInVector(const std::vector<vcl::IconThemeInfo>& themes, const OUString& themeId)
{
return std::any_of(themes.begin(), themes.end(), SameTheme(themeId));
}
} // end namespace vcl
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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