Line data Source code
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 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <config_folders.h>
21 :
22 : #include "sal/config.h"
23 :
24 : #include <boost/shared_ptr.hpp>
25 :
26 : #include "com/sun/star/container/XNameAccess.hpp"
27 : #include "com/sun/star/io/XInputStream.hpp"
28 : #include "com/sun/star/lang/Locale.hpp"
29 : #include "com/sun/star/lang/XMultiServiceFactory.hpp"
30 : #include "com/sun/star/packages/zip/ZipFileAccess.hpp"
31 : #include "com/sun/star/uno/Any.hxx"
32 : #include "com/sun/star/uno/Exception.hpp"
33 : #include "com/sun/star/uno/RuntimeException.hpp"
34 : #include "com/sun/star/uno/Sequence.hxx"
35 : #include "comphelper/processfactory.hxx"
36 : #include "osl/file.hxx"
37 : #include "osl/diagnose.h"
38 : #include "rtl/bootstrap.hxx"
39 :
40 : #include "tools/stream.hxx"
41 : #include "tools/urlobj.hxx"
42 : #include "vcl/bitmapex.hxx"
43 : #include <vcl/dibtools.hxx>
44 : #include "vcl/pngread.hxx"
45 : #include "vcl/settings.hxx"
46 : #include "vcl/svapp.hxx"
47 : #include "impimagetree.hxx"
48 :
49 : namespace {
50 :
51 42414 : static OUString createPath(
52 : OUString const & name, sal_Int32 pos, OUString const & locale)
53 : {
54 42414 : return name.copy(0, pos + 1) + locale + name.copy(pos);
55 : }
56 :
57 0 : static boost::shared_ptr< SvStream > wrapFile(osl::File & file)
58 : {
59 : // This could use SvInputStream instead if that did not have a broken
60 : // SeekPos implementation for an XInputStream that is not also XSeekable
61 : // (cf. "@@@" at tags/DEV300_m37/svtools/source/misc1/strmadpt.cxx@264807
62 : // l. 593):
63 0 : boost::shared_ptr< SvStream > s(new SvMemoryStream);
64 : for (;;) {
65 : void *data[2048];
66 : sal_uInt64 n;
67 0 : file.read(data, 2048, n);
68 0 : s->Write(data, n);
69 0 : if (n < 2048) {
70 0 : break;
71 : }
72 0 : }
73 0 : s->Seek(0);
74 0 : return s;
75 : }
76 :
77 24575 : static boost::shared_ptr< SvStream > wrapStream(
78 : css::uno::Reference< css::io::XInputStream > const & stream)
79 : {
80 : // This could use SvInputStream instead if that did not have a broken
81 : // SeekPos implementation for an XInputStream that is not also XSeekable
82 : // (cf. "@@@" at tags/DEV300_m37/svtools/source/misc1/strmadpt.cxx@264807
83 : // l. 593):
84 : OSL_ASSERT(stream.is());
85 24575 : boost::shared_ptr< SvStream > s(new SvMemoryStream);
86 : for (;;) {
87 26887 : sal_Int32 const size = 2048;
88 26887 : css::uno::Sequence< sal_Int8 > data(size);
89 26887 : sal_Int32 n = stream->readBytes(data, size);
90 26887 : s->Write(data.getConstArray(), n);
91 26887 : if (n < size) {
92 24575 : break;
93 : }
94 2312 : }
95 24575 : s->Seek(0);
96 24575 : return s;
97 : }
98 :
99 24401 : static void loadImageFromStream(
100 : boost::shared_ptr< SvStream > pStream,
101 : OUString const & rPath, BitmapEx & rBitmap)
102 : {
103 24401 : if (rPath.endsWith(".png"))
104 : {
105 24397 : vcl::PNGReader aPNGReader( *pStream );
106 24397 : aPNGReader.SetIgnoreGammaChunk( true );
107 24397 : rBitmap = aPNGReader.Read();
108 : } else {
109 4 : ReadDIBBitmapEx(rBitmap, *pStream);
110 : }
111 24401 : }
112 :
113 : }
114 :
115 369 : ImplImageTree::ImplImageTree() { m_cacheIcons = true; }
116 :
117 369 : ImplImageTree::~ImplImageTree() {}
118 :
119 89147 : bool ImplImageTree::loadImage(
120 : OUString const & name, OUString const & style, BitmapEx & bitmap,
121 : bool localized, bool loadMissing )
122 : {
123 89147 : bool found = false;
124 : try {
125 89147 : found = doLoadImage(name, style, bitmap, localized);
126 0 : } catch (css::uno::RuntimeException &) {
127 0 : if (!loadMissing)
128 0 : throw;
129 : }
130 89147 : if (found || !loadMissing)
131 89147 : return found;
132 :
133 : SAL_INFO("vcl", "ImplImageTree::loadImage exception couldn't load \""
134 : << name << "\", fetching default image");
135 :
136 0 : return loadDefaultImage(style, bitmap);
137 : }
138 :
139 12558 : bool ImplImageTree::loadDefaultImage(
140 : OUString const & style,
141 : BitmapEx& bitmap)
142 : {
143 : return doLoadImage(
144 : OUString("res/grafikde.png"),
145 12558 : style, bitmap, false);
146 : }
147 :
148 101705 : bool ImplImageTree::doLoadImage(
149 : OUString const & name, OUString const & style, BitmapEx & bitmap,
150 : bool localized)
151 : {
152 101705 : setStyle(style);
153 101705 : if (m_cacheIcons && iconCacheLookup(name, localized, bitmap)) {
154 77304 : return true;
155 : }
156 24401 : if (!bitmap.IsEmpty()) {
157 0 : bitmap.SetEmpty();
158 : }
159 24401 : std::vector< OUString > paths;
160 24401 : paths.push_back(getRealImageName(name));
161 :
162 24401 : if (localized) {
163 21207 : sal_Int32 pos = name.lastIndexOf('/');
164 21207 : if (pos != -1) {
165 : // find() uses a reverse iterator, so push in reverse order.
166 21207 : std::vector< OUString > aFallbacks( Application::GetSettings().GetUILanguageTag().getFallbackStrings(true));
167 190863 : for (std::vector< OUString >::reverse_iterator it( aFallbacks.rbegin());
168 127242 : it != aFallbacks.rend(); ++it)
169 : {
170 42414 : paths.push_back( getRealImageName( createPath(name, pos, *it) ) );
171 21207 : }
172 : }
173 : }
174 24401 : bool found = false;
175 : try {
176 24401 : found = find(paths, bitmap);
177 0 : } catch (css::uno::RuntimeException &) {
178 0 : throw;
179 0 : } catch (const css::uno::Exception & e) {
180 : SAL_INFO("vcl", "ImplImageTree::doLoadImage exception " << e.Message);
181 : }
182 24401 : if (m_cacheIcons && found) {
183 24401 : m_iconCache[name.intern()] = std::make_pair(localized, bitmap);
184 : }
185 24401 : return found;
186 : }
187 :
188 367 : void ImplImageTree::shutDown() {
189 367 : m_style = OUString();
190 : // for safety; empty m_style means "not initialized"
191 367 : m_iconCache.clear();
192 367 : m_linkHash.clear();
193 367 : }
194 :
195 101705 : void ImplImageTree::setStyle(OUString const & style) {
196 : OSL_ASSERT(!style.isEmpty()); // empty m_style means "not initialized"
197 101705 : if (style != m_style) {
198 174 : m_style = style;
199 174 : resetPaths();
200 174 : m_iconCache.clear();
201 174 : m_linkHash.clear();
202 174 : loadImageLinks();
203 : }
204 101705 : }
205 :
206 174 : void ImplImageTree::resetPaths() {
207 174 : OUString url( "$BRAND_BASE_DIR/" LIBO_SHARE_FOLDER "/config/" );
208 174 : rtl::Bootstrap::expandMacros(url);
209 174 : if ( m_style != "default" )
210 : {
211 174 : INetURLObject u(url);
212 : OSL_ASSERT(!u.HasError());
213 174 : bool ok = u.Append("images_" + m_style, INetURLObject::ENCODE_ALL);
214 : OSL_ASSERT(ok); (void) ok;
215 174 : url = u.GetMainURL(INetURLObject::NO_DECODE);
216 : }
217 : else
218 0 : url += "images";
219 348 : m_path = std::make_pair(
220 348 : url, css::uno::Reference< css::container::XNameAccess >());
221 174 : }
222 :
223 101705 : bool ImplImageTree::iconCacheLookup(
224 : OUString const & name, bool localized, BitmapEx & bitmap)
225 : {
226 101705 : IconCache::iterator i(m_iconCache.find(getRealImageName(name)));
227 101705 : if (i != m_iconCache.end() && i->second.first == localized) {
228 77304 : bitmap = i->second.second;
229 77304 : return true;
230 : }
231 24401 : return false;
232 : }
233 :
234 24401 : bool ImplImageTree::find(
235 : std::vector< OUString > const & paths, BitmapEx & bitmap)
236 : {
237 24401 : if (!m_cacheIcons) {
238 0 : for (std::vector< OUString >::const_reverse_iterator j(
239 0 : paths.rbegin());
240 0 : j != paths.rend(); ++j)
241 : {
242 0 : osl::File file(m_path.first + "/" + *j);
243 0 : if (file.open(osl_File_OpenFlag_Read) == ::osl::FileBase::E_None) {
244 0 : loadImageFromStream( wrapFile(file), *j, bitmap );
245 0 : file.close();
246 0 : return true;
247 : }
248 0 : }
249 : }
250 :
251 24401 : if (!m_path.second.is()) {
252 : try {
253 0 : m_path.second = css::packages::zip::ZipFileAccess::createWithURL(comphelper::getProcessComponentContext(), m_path.first + ".zip");
254 0 : } catch (const css::uno::RuntimeException &) {
255 0 : throw;
256 0 : } catch (const css::uno::Exception & e) {
257 : SAL_INFO("vcl", "ImplImageTree::find exception "
258 : << e.Message << " for " << m_path.first);
259 0 : return false;
260 : }
261 : }
262 200445 : for (std::vector< OUString >::const_reverse_iterator j(paths.rbegin());
263 133630 : j != paths.rend(); ++j)
264 : {
265 66815 : if (m_path.second->hasByName(*j)) {
266 24401 : css::uno::Reference< css::io::XInputStream > s;
267 24401 : bool ok = m_path.second->getByName(*j) >>= s;
268 : OSL_ASSERT(ok); (void) ok;
269 24401 : loadImageFromStream( wrapStream(s), *j, bitmap );
270 24401 : return true;
271 : }
272 : }
273 0 : return false;
274 : }
275 :
276 174 : void ImplImageTree::loadImageLinks()
277 : {
278 174 : const OUString aLinkFilename("links.txt");
279 :
280 174 : if (!m_cacheIcons)
281 : {
282 0 : osl::File file(m_path.first + "/" + aLinkFilename);
283 0 : if (file.open(osl_File_OpenFlag_Read) == ::osl::FileBase::E_None)
284 : {
285 0 : parseLinkFile( wrapFile(file) );
286 0 : file.close();
287 0 : return;
288 0 : }
289 : }
290 :
291 174 : if ( !m_path.second.is() )
292 : {
293 : try
294 : {
295 174 : m_path.second = css::packages::zip::ZipFileAccess::createWithURL(comphelper::getProcessComponentContext(), m_path.first + ".zip");
296 0 : } catch (const css::uno::RuntimeException &) {
297 0 : throw;
298 : }
299 0 : catch (const css::uno::Exception & e)
300 : {
301 : SAL_INFO("vcl", "ImplImageTree::find exception "
302 : << e.Message << " for " << m_path.first);
303 0 : return;
304 : }
305 : }
306 174 : if ( m_path.second->hasByName(aLinkFilename) )
307 : {
308 174 : css::uno::Reference< css::io::XInputStream > s;
309 174 : bool ok = m_path.second->getByName(aLinkFilename) >>= s;
310 : OSL_ASSERT(ok); (void) ok;
311 :
312 174 : parseLinkFile( wrapStream(s) );
313 174 : return;
314 0 : }
315 : }
316 :
317 174 : void ImplImageTree::parseLinkFile(boost::shared_ptr< SvStream > pStream)
318 : {
319 174 : OString aLine;
320 348 : OUString aLink, aOriginal;
321 174 : int nLineNo = 0;
322 106140 : while ( pStream->ReadLine( aLine ) )
323 : {
324 105792 : ++nLineNo;
325 105792 : if ( aLine.isEmpty() )
326 0 : continue;
327 :
328 105792 : sal_Int32 nIndex = 0;
329 105792 : aLink = OStringToOUString( aLine.getToken(0, ' ', nIndex), RTL_TEXTENCODING_UTF8 );
330 105792 : aOriginal = OStringToOUString( aLine.getToken(0, ' ', nIndex), RTL_TEXTENCODING_UTF8 );
331 :
332 : // skip comments, or incomplete entries
333 105792 : if (aLink.isEmpty() || aLink[0] == '#' || aOriginal.isEmpty())
334 : {
335 0 : if (aLink.isEmpty() || aOriginal.isEmpty())
336 : SAL_WARN("vcl", "ImplImageTree::parseLinkFile: icon links.txt parse error, incomplete link at line " << nLineNo);
337 0 : continue;
338 : }
339 :
340 105792 : m_linkHash[aLink] = aOriginal;
341 174 : }
342 174 : }
343 :
344 168520 : OUString const & ImplImageTree::getRealImageName(OUString const & name)
345 : {
346 168520 : IconLinkHash::iterator it(m_linkHash.find(name));
347 168520 : if (it == m_linkHash.end())
348 134736 : return name;
349 33784 : return it->second;
350 1233 : }
351 :
352 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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