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 <vcl/IconThemeInfo.hxx>
11 #include <rtl/character.hxx>
12
13 #include <stdexcept>
14 #include <algorithm>
15
16 // constants for theme ids and display names. Only the theme id for high contrast is used
17 // outside of this class and hence made public.
18
19 const OUStringLiteral vcl::IconThemeInfo::HIGH_CONTRAST_ID("sifr");
20
21 namespace {
22
23 static const OUStringLiteral KARASA_JAGA_ID("karasa_jaga");
24 static const OUStringLiteral KARASA_JAGA_DISPLAY_NAME("Karasa Jaga");
25 static const OUStringLiteral HELPIMG_FAKE_THEME("helpimg");
26
27 OUString
filename_from_url(const OUString & url)28 filename_from_url(const OUString& url)
29 {
30 sal_Int32 slashPosition = url.lastIndexOf( '/' );
31 if (slashPosition < 0) {
32 return OUString();
33 }
34 OUString filename = url.copy( slashPosition+1 );
35 return filename;
36 }
37
38 } // end anonymous namespace
39
40 namespace vcl {
41
42 static const char ICON_THEME_PACKAGE_PREFIX[] = "images_";
43
44 static const char EXTENSION_FOR_ICON_PACKAGES[] = ".zip";
45
IconThemeInfo()46 IconThemeInfo::IconThemeInfo()
47 {
48 }
49
IconThemeInfo(const OUString & urlToFile)50 IconThemeInfo::IconThemeInfo(const OUString& urlToFile)
51 : mUrlToFile(urlToFile)
52 {
53 OUString filename = filename_from_url(urlToFile);
54 if (filename.isEmpty()) {
55 throw std::runtime_error("invalid URL passed to IconThemeInfo()");
56 }
57
58 mThemeId = FileNameToThemeId(filename);
59 mDisplayName = ThemeIdToDisplayName(mThemeId);
60
61 }
62
63 /*static*/ Size
SizeByThemeName(const OUString & themeName)64 IconThemeInfo::SizeByThemeName(const OUString& themeName)
65 {
66 if (themeName == "galaxy") { //kept for compiler because of unused parameter 'themeName'
67 return Size( 26, 26 );
68 }
69 else {
70 return Size( 24, 24 );
71 }
72 }
73
74 /*static*/ bool
UrlCanBeParsed(const OUString & url)75 IconThemeInfo::UrlCanBeParsed(const OUString& url)
76 {
77 OUString fname = filename_from_url(url);
78 if (fname.isEmpty()) {
79 return false;
80 }
81
82 if (!fname.startsWithIgnoreAsciiCase(ICON_THEME_PACKAGE_PREFIX)) {
83 return false;
84 }
85
86 if (!fname.endsWithIgnoreAsciiCase(EXTENSION_FOR_ICON_PACKAGES)) {
87 return false;
88 }
89
90 if (fname.indexOf(HELPIMG_FAKE_THEME) != -1 ) {
91 return false;
92 }
93
94 return true;
95 }
96
97 /*static*/ OUString
FileNameToThemeId(const OUString & filename)98 IconThemeInfo::FileNameToThemeId(const OUString& filename)
99 {
100 OUString r;
101 sal_Int32 positionOfLastDot = filename.lastIndexOf(EXTENSION_FOR_ICON_PACKAGES);
102 if (positionOfLastDot < 0) { // -1 means index not found
103 throw std::runtime_error("IconThemeInfo::FileNameToThemeId() called with invalid filename.");
104 }
105 sal_Int32 positionOfFirstUnderscore = filename.indexOf(ICON_THEME_PACKAGE_PREFIX);
106 if (positionOfFirstUnderscore < 0) { // -1 means index not found. Use the whole name instead
107 throw std::runtime_error("IconThemeInfo::FileNameToThemeId() called with invalid filename.");
108 }
109 positionOfFirstUnderscore += RTL_CONSTASCII_LENGTH(ICON_THEME_PACKAGE_PREFIX);
110 r = filename.copy(positionOfFirstUnderscore, positionOfLastDot - positionOfFirstUnderscore);
111 return r;
112 }
113
114 /*static*/ OUString
ThemeIdToDisplayName(const OUString & themeId)115 IconThemeInfo::ThemeIdToDisplayName(const OUString& themeId)
116 {
117 if (themeId.isEmpty()) {
118 throw std::runtime_error("IconThemeInfo::ThemeIdToDisplayName() called with invalid id.");
119 }
120
121 // Strip _svg and _dark filename "extensions"
122 OUString aDisplayName = themeId;
123
124 bool bIsSvg = aDisplayName.endsWith("_svg", &aDisplayName);
125 bool bIsDark = aDisplayName.endsWith("_dark", &aDisplayName);
126 if (!bIsSvg && bIsDark)
127 bIsSvg = aDisplayName.endsWith("_svg", &aDisplayName);
128
129 // special cases
130 if (aDisplayName.equalsIgnoreAsciiCase(KARASA_JAGA_ID)) {
131 aDisplayName = KARASA_JAGA_DISPLAY_NAME;
132 }
133 else
134 {
135 // make the first letter uppercase
136 sal_Unicode firstLetter = aDisplayName[0];
137 if (rtl::isAsciiLowerCase(firstLetter))
138 {
139 aDisplayName = OUStringChar(sal_Unicode(rtl::toAsciiUpperCase(firstLetter))) + aDisplayName.copy(1);
140 }
141 }
142
143 if (bIsSvg && bIsDark)
144 aDisplayName += " (SVG + dark)";
145 else if (bIsSvg)
146 aDisplayName += " (SVG)";
147 else if (bIsDark)
148 aDisplayName += " (dark)";
149
150 return aDisplayName;
151 }
152
153 namespace
154 {
155 class SameTheme
156 {
157 private:
158 const OUString& m_rThemeId;
159 public:
SameTheme(const OUString & rThemeId)160 explicit SameTheme(const OUString &rThemeId) : m_rThemeId(rThemeId) {}
operator ()(const vcl::IconThemeInfo & rInfo)161 bool operator()(const vcl::IconThemeInfo &rInfo)
162 {
163 return m_rThemeId == rInfo.GetThemeId();
164 }
165 };
166 }
167
168 /*static*/ const vcl::IconThemeInfo&
FindIconThemeById(const std::vector<vcl::IconThemeInfo> & themes,const OUString & themeId)169 IconThemeInfo::FindIconThemeById(const std::vector<vcl::IconThemeInfo>& themes, const OUString& themeId)
170 {
171 std::vector<vcl::IconThemeInfo>::const_iterator it = std::find_if(themes.begin(), themes.end(),
172 SameTheme(themeId));
173 if (it == themes.end())
174 {
175 throw std::runtime_error("Could not find theme id in theme vector.");
176 }
177 return *it;
178 }
179
180 /*static*/ bool
IconThemeIsInVector(const std::vector<vcl::IconThemeInfo> & themes,const OUString & themeId)181 IconThemeInfo::IconThemeIsInVector(const std::vector<vcl::IconThemeInfo>& themes, const OUString& themeId)
182 {
183 return std::any_of(themes.begin(), themes.end(), SameTheme(themeId));
184 }
185
186 } // end namespace vcl
187
188 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
189