Differential D28346 Diff 80548 lib/thumbnailprovider/thumbnailgenerator.cpp

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lib/thumbnailprovider/thumbnailgenerator.cpp

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31#ifdef KDCRAW_FOUND 31​#ifdef KDCRAW_FOUND
32#include <kdcraw/kdcraw.h> 32​#include <kdcraw/kdcraw.h>
33#endif 33​#endif
34 34​
35// Qt 35​// Qt
36#include <QImageReader> 36​#include <QImageReader>
37#include <QTransform> 37​#include <QTransform>
38#include <QBuffer> 38​#include <QBuffer>
39​#include <QCoreApplication>
39 40​
40namespace Gwenview 41​namespace Gwenview
41{ 42​{
42 43​
43#undef ENABLE_LOG 44​#undef ENABLE_LOG
44#undef LOG 45​#undef LOG
45//#define ENABLE_LOG 46​//#define ENABLE_LOG
46#ifdef ENABLE_LOG 47​#ifdef ENABLE_LOG
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173 174​
174//------------------------------------------------------------------------ 175​//------------------------------------------------------------------------
175// 176​//
176// ThumbnailGenerator 177​// ThumbnailGenerator
177// 178​//
178//------------------------------------------------------------------------ 179​//------------------------------------------------------------------------
179ThumbnailGenerator::ThumbnailGenerator() 180​ThumbnailGenerator::ThumbnailGenerator()
180: mCancel(false) 181​: mCancel(false)
181{} 182​{
183​ connect(qApp, &QCoreApplication::aboutToQuit, this, [=]() {
184​ wait();
185​ }, Qt::DirectConnection);
186​ start();
187​}
182 188​
183void ThumbnailGenerator::load( 189​void ThumbnailGenerator::load(
184 const QString& originalUri, time_t originalTime, KIO::filesize_t originalFileSize, const QString& originalMimeType, 190​ const QString& originalUri, time_t originalTime, KIO::filesize_t originalFileSize, const QString& originalMimeType,
185 const QString& pixPath, 191​ const QString& pixPath,
186 const QString& thumbnailPath, 192​ const QString& thumbnailPath,
187 ThumbnailGroup::Enum group) 193​ ThumbnailGroup::Enum group)
188{ 194​{
189 QMutexLocker lock(&mMutex); 195​ QMutexLocker lock(&mMutex);
190 Q_ASSERT(mPixPath.isNull()); 196​ Q_ASSERT(mPixPath.isNull());
191 197​
192 mOriginalUri = originalUri; 198​ mOriginalUri = originalUri;
193 mOriginalTime = originalTime; 199​ mOriginalTime = originalTime;
194 mOriginalFileSize = originalFileSize; 200​ mOriginalFileSize = originalFileSize;
195 mOriginalMimeType = originalMimeType; 201​ mOriginalMimeType = originalMimeType;
196 mPixPath = pixPath; 202​ mPixPath = pixPath;
197 mThumbnailPath = thumbnailPath; 203​ mThumbnailPath = thumbnailPath;
198 mThumbnailGroup = group; 204​ mThumbnailGroup = group;
199 if (!isRunning()) start(); ​
200 mCond.wakeOne(); 205​ mCond.wakeOne();
201} 206​}
202 207​
203QString ThumbnailGenerator::originalUri() const 208​QString ThumbnailGenerator::originalUri() const
204{ 209​{
205 return mOriginalUri; 210​ return mOriginalUri;
206} 211​}
207 212​
213​bool ThumbnailGenerator::isStopped()
214​{
215​ QMutexLocker lock(&mMutex);
216​ return mStopped;
217​}
218​
208time_t ThumbnailGenerator::originalTime() const 219​time_t ThumbnailGenerator::originalTime() const
209{ 220​{
210 return mOriginalTime; 221​ return mOriginalTime;
211} 222​}
212 223​
213KIO::filesize_t ThumbnailGenerator::originalFileSize() const 224​KIO::filesize_t ThumbnailGenerator::originalFileSize() const
214{ 225​{
215 return mOriginalFileSize; 226​ return mOriginalFileSize;
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230{ 241​{
231 QMutexLocker lock(&mMutex); 242​ QMutexLocker lock(&mMutex);
232 mCancel = true; 243​ mCancel = true;
233 mCond.wakeOne(); 244​ mCond.wakeOne();
234} 245​}
235 246​
236void ThumbnailGenerator::run() 247​void ThumbnailGenerator::run()
237{ 248​{
238 LOG(""); ​
239 while (!testCancel()) { 249​ while (!testCancel()) {
240 QString pixPath; 250​ QString pixPath;
241 int pixelSize; 251​ int pixelSize;
242 { 252​ {
243 QMutexLocker lock(&mMutex); 253​ QMutexLocker lock(&mMutex);
244 // empty mPixPath means nothing to do 254​ // empty mPixPath means nothing to do
245 LOG("Waiting for mPixPath"); ​
246 if (mPixPath.isNull()) { 255​ if (mPixPath.isNull()) {
247 LOG("mPixPath.isNull"); ​
248 mCond.wait(&mMutex); 256​ mCond.wait(&mMutex);
249 } 257​ }
250 } 258​ }
251 if (testCancel()) { 259​ if (testCancel()) {
252 return; 260​ break;
253 } 261​ }
254 { 262​ {
255 QMutexLocker lock(&mMutex); 263​ QMutexLocker lock(&mMutex);
256 pixPath = mPixPath; 264​ pixPath = mPixPath;
257 pixelSize = ThumbnailGroup::pixelSize(mThumbnailGroup); 265​ pixelSize = ThumbnailGroup::pixelSize(mThumbnailGroup);
258 } 266​ }
259 267​
260 Q_ASSERT(!pixPath.isNull()); 268​ Q_ASSERT(!pixPath.isNull());
Show All 13 Lines273 {
274 } else { 282​ } else {
275 // avoid emitting the thumb from the previous successful run 283​ // avoid emitting the thumb from the previous successful run
276 mImage = QImage(); 284​ mImage = QImage();
277 qCWarning(GWENVIEW_LIB_LOG) << "Could not generate thumbnail for file" << mOriginalUri; 285​ qCWarning(GWENVIEW_LIB_LOG) << "Could not generate thumbnail for file" << mOriginalUri;
278 } 286​ }
279 mPixPath.clear(); // done, ready for next 287​ mPixPath.clear(); // done, ready for next
280 } 288​ }
281 if (testCancel()) { 289​ if (testCancel()) {
282 return; 290​ break;
283 } 291​ }
284 { 292​ {
285 QSize size(mOriginalWidth, mOriginalHeight); 293​ QSize size(mOriginalWidth, mOriginalHeight);
286 LOG("emitting done signal, size=" << size); 294​ LOG("emitting done signal, size=" << size);
287 QMutexLocker lock(&mMutex); 295​ QMutexLocker lock(&mMutex);
288 emit done(mImage, size); 296​ emit done(mImage, size);
289 LOG("Done"); 297​ LOG("Done");
290 } 298​ }
291 } 299​ }
300​
292 LOG("Ending thread"); 301​ LOG("Ending thread");
302​
303​ QMutexLocker lock(&mMutex);
304​ mStopped = true;
305​ deleteLater();
293} 306​}
294 307​
295void ThumbnailGenerator::cacheThumbnail() 308​void ThumbnailGenerator::cacheThumbnail()
296{ 309​{
297 mImage.setText(QStringLiteral("Thumb::URI") , mOriginalUri); 310​ mImage.setText(QStringLiteral("Thumb::URI") , mOriginalUri);
298 mImage.setText(QStringLiteral("Thumb::MTime") , QString::number(mOriginalTime)); 311​ mImage.setText(QStringLiteral("Thumb::MTime") , QString::number(mOriginalTime));
299 mImage.setText(QStringLiteral("Thumb::Size") , QString::number(mOriginalFileSize)); 312​ mImage.setText(QStringLiteral("Thumb::Size") , QString::number(mOriginalFileSize));
300 mImage.setText(QStringLiteral("Thumb::Mimetype") , mOriginalMimeType); 313​ mImage.setText(QStringLiteral("Thumb::Mimetype") , mOriginalMimeType);
301 mImage.setText(QStringLiteral("Thumb::Image::Width") , QString::number(mOriginalWidth)); 314​ mImage.setText(QStringLiteral("Thumb::Image::Width") , QString::number(mOriginalWidth));
302 mImage.setText(QStringLiteral("Thumb::Image::Height"), QString::number(mOriginalHeight)); 315​ mImage.setText(QStringLiteral("Thumb::Image::Height"), QString::number(mOriginalHeight));
303 mImage.setText(QStringLiteral("Software") , QStringLiteral("Gwenview")); 316​ mImage.setText(QStringLiteral("Software") , QStringLiteral("Gwenview"));
304 317​
305 emit thumbnailReadyToBeCached(mThumbnailPath, mImage); 318​ emit thumbnailReadyToBeCached(mThumbnailPath, mImage);
306} 319​}
307 320​
308} // namespace 321​} // namespace