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Diffstat (limited to '')
| -rw-r--r-- | vcl/source/app/IconThemeInfo.cxx | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/vcl/source/app/IconThemeInfo.cxx b/vcl/source/app/IconThemeInfo.cxx new file mode 100644 index 000000000..4166ae084 --- /dev/null +++ b/vcl/source/app/IconThemeInfo.cxx @@ -0,0 +1,180 @@ +/* -*- 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. (The theme id for high contrast is used +// outside of this class and hence made public in IconThemeInfo.) + +namespace { + +constexpr OUStringLiteral HELPIMG_FAKE_THEME(u"helpimg"); + +OUString +filename_from_url(std::u16string_view url) +{ + size_t slashPosition = url.rfind( '/' ); + if (slashPosition == std::u16string_view::npos) { + return OUString(); + } + OUString filename( url.substr( slashPosition+1 ) ); + return filename; +} + +} // end anonymous namespace + +namespace vcl { + +const sal_Unicode ICON_THEME_PACKAGE_PREFIX[] = u"images_"; + +const sal_Unicode EXTENSION_FOR_ICON_PACKAGES[] = u".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(std::u16string_view themeName) +{ + if (themeName == u"galaxy") { //kept for compiler because of unused parameter 'themeName' + return Size( 26, 26 ); + } + else { + return Size( 24, 24 ); + } +} + +/*static*/ bool +IconThemeInfo::UrlCanBeParsed(std::u16string_view 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(std::u16string_view filename) +{ + OUString r; + size_t positionOfLastDot = filename.rfind(EXTENSION_FOR_ICON_PACKAGES); + if (positionOfLastDot == std::u16string_view::npos) { // means index not found + throw std::runtime_error("IconThemeInfo::FileNameToThemeId() called with invalid filename."); + } + size_t positionOfFirstUnderscore = filename.find(ICON_THEME_PACKAGE_PREFIX); + if (positionOfFirstUnderscore == std::u16string_view::npos) { // 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.substr(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); + + // make the first letter uppercase + sal_Unicode firstLetter = aDisplayName[0]; + if (rtl::isAsciiLowerCase(firstLetter)) + { + aDisplayName = OUStringChar(sal_Unicode(rtl::toAsciiUpperCase(firstLetter))) + aDisplayName.subView(1); + } + + // replacing underscores with spaces of multi words pack name. + aDisplayName = aDisplayName.replace('_', ' '); + + 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: */ |