Differential D22476 Diff 61800 document/kpDocument_Save.cpp

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document/kpDocument_Save.cpp

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46#include <QTemporaryFile> 46​#include <QTemporaryFile>
47#include <QTransform> 47​#include <QTransform>
48#include <QMimeDatabase> 48​#include <QMimeDatabase>
49​#include <QImageWriter>
49 50​
50#include "kpLogCategories.h" 51​#include "kpLogCategories.h"
51#include <kimageio.h> // kdelibs4support 52​#include <KIO/StatJob>
52#include <kio/netaccess.h> // kdelibs4support 53​#include <KIO/FileCopyJob>
54​#include <KJobWidgets>
53#include <KLocalizedString> 55​#include <KLocalizedString>
54#include <kmessagebox.h> 56​#include <kmessagebox.h>
57​#include <KService>
58​#include <KServiceTypeTrader>
55 59​
56#include "imagelib/kpColor.h" 60​#include "imagelib/kpColor.h"
57#include "widgets/toolbars/kpColorToolBar.h" 61​#include "widgets/toolbars/kpColorToolBar.h"
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175 *userCancelled = false; 179​ *userCancelled = false;
176 } 180​ }
177 181​
178 QStringList types = KImageIO::typeForMime (saveOptions.mimeType ()); 182​ if (saveOptions.mimeType().isEmpty()) {
183​ return false;
184​ }
185​
186​ QList<QByteArray> types;
187​#if (QT_VERSION >= QT_VERSION_CHECK(5, 12, 0))
188​ types = QImageWriter::imageFormatsForMimeType(saveOptions.mimeType().toLocal8Bit());
189​#else
190​ QStringList typesStrings;
191​ const KService::List services = KServiceTypeTrader::self()->query("QImageIOPlugins");
192​ for (const KService::Ptr &service : services) {
193​ if (saveOptions.mimeType() != service->property("X-KDE-MimeType").toString()) {
194​ continue;
195​ }
196​ typesStrings = service->property("X-KDE-ImageFormat").toStringList();
197​ if (!typesStrings.isEmpty()) {
198​ break;
199​ }
200​ }
201​ for (const QString &type : typesStrings) {
202​ types.append(type.toLatin1());
203​ }
204​#endif
205​
179#if DEBUG_KP_DOCUMENT 206​#if DEBUG_KP_DOCUMENT
180 qCDebug(kpLogDocument) << "\ttypes=" << types; 207​ qCDebug(kpLogDocument) << "\ttypes=" << types;
181#endif 208​#endif
209​
182 if (types.isEmpty ()) { 210​ if (types.isEmpty ()) {
183 return false; 211​ return false;
184 } 212​ }
185 // It's safe to arbitrarily choose the 0th type as any type in the list 213​ // It's safe to arbitrarily choose the 0th type as any type in the list
186 // should invoke the same KImageIO image loader. 214​ // should invoke the same KImageIO image loader.
187 const QString type = types [0]; 215​ const QByteArray type = types [0];
188 216​
189#if DEBUG_KP_DOCUMENT 217​#if DEBUG_KP_DOCUMENT
190 qCDebug(kpLogDocument) << "\tmimeType=" << saveOptions.mimeType () 218​ qCDebug(kpLogDocument) << "\tmimeType=" << saveOptions.mimeType ()
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271#if DEBUG_KP_DOCUMENT 299​#if DEBUG_KP_DOCUMENT
272 qCDebug(kpLogDocument) << "\tsaving"; 300​ qCDebug(kpLogDocument) << "\tsaving";
273#endif 301​#endif
274 if (!imageToSave.save (device, type.toLatin1 (), quality)) 302​ if (!imageToSave.save (device, type, quality))
275 { 303​ {
276 #if DEBUG_KP_DOCUMENT 304​ #if DEBUG_KP_DOCUMENT
277 qCDebug(kpLogDocument) << "\tQImage::save() returned false"; 305​ qCDebug(kpLogDocument) << "\tQImage::save() returned false";
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318 // TODO: Use KIO::NetAccess:mostLocalURL() for accessing home:/ (and other 346​ // TODO: Use KIO::NetAccess:mostLocalURL() for accessing home:/ (and other
319 // such local URLs) for efficiency and because only local writes 347​ // such local URLs) for efficiency and because only local writes
320 // are atomic. 348​ // are atomic.
349​ // -> But we use QSaveFile for atomicness, and that doesn't seem to be able
350​ // to warn about file already existing, so we can't get 100% atomic
321#if DEBUG_KP_DOCUMENT 351​#if DEBUG_KP_DOCUMENT
322 qCDebug(kpLogDocument) << "kpDocument::savePixmapToFile (" 352​ qCDebug(kpLogDocument) << "kpDocument::savePixmapToFile ("
323 << url 353​ << url
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328 metaInfo.printDebug (QLatin1String ("\tmetaInfo")); 358​ metaInfo.printDebug (QLatin1String ("\tmetaInfo"));
329#endif 359​#endif
330 360​
331 if (overwritePrompt && 361​ if (overwritePrompt) {
332 KIO::NetAccess::exists (url, KIO::NetAccess::DestinationSide/*write*/, parent)) 362​ // 0 == only check if the file exists, don't bother with file metadata
333 { 363​ KIO::StatJob *statJob = KIO::stat(url, KIO::StatJob::SourceSide, 0);
334 int result = KMessageBox::warningContinueCancel (parent, 364​ KJobWidgets::setWindow(statJob, parent);
335 i18n ("A document called \"%1\" already exists.\n" 365​ const bool exists = statJob->exec();
336 "Do you want to overwrite it?", ​
337 kpUrlFormatter::PrettyFilename (url)), ​
338 QString(), ​
339 KStandardGuiItem::overwrite ()); ​
340 366​
341 if (result != KMessageBox::Continue) 367​ if (exists) {
342 { 368​ int result = KMessageBox::warningContinueCancel (parent,
343 #if DEBUG_KP_DOCUMENT 369​ i18n ("A document called \"%1\" already exists.\n"
344 qCDebug(kpLogDocument) << "\tuser doesn't want to overwrite"; 370​ "Do you want to overwrite it?",
345 #endif 371​ kpUrlFormatter::PrettyFilename (url)),
372​ QString(),
373​ KStandardGuiItem::overwrite ());
346 374​
347 return false; 375​ if (result != KMessageBox::Continue)
376​ {
377​#if DEBUG_KP_DOCUMENT
378​ qCDebug(kpLogDocument) << "\tuser doesn't want to overwrite";
379​#endif
380​
381​ return false;
382​ }
348 } 383​ }
349 } 384​ }
350 385​
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463 // TODO: No one seems to know how to do this atomically 498​ // TODO: No one seems to know how to do this atomically
464 // [http://lists.kde.org/?l=kde-core-devel&m=117845162728484&w=2]. 499​ // [http://lists.kde.org/?l=kde-core-devel&m=117845162728484&w=2].
465 // At least, fish:// (ssh) is definitely not atomic. 500​ // At least, fish:// (ssh) is definitely not atomic.
466 if (!KIO::NetAccess::upload (tempFileName, url, parent)) 501​ KIO::FileCopyJob *uploadJob = KIO::file_copy(QUrl::fromLocalFile(tempFileName), url, -1, KIO::Overwrite);
502​ KJobWidgets::setWindow(uploadJob, parent);
503​ if (!uploadJob->exec())
467 { 504​ {
468 #if DEBUG_KP_DOCUMENT 505​ #if DEBUG_KP_DOCUMENT
469 qCDebug(kpLogDocument) << "\treturning false because could not upload"; 506​ qCDebug(kpLogDocument) << "\treturning false because could not upload";
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