Differential D22183 Diff 62712 src/panels/information/informationpanelcontent.cpp

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src/panels/information/informationpanelcontent.cpp

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41 41​
42#include <QLabel> 42​#include <QLabel>
43#include <QDialogButtonBox> 43​#include <QDialogButtonBox>
44#include <QScrollArea> 44​#include <QScrollArea>
45#include <QTextLayout> 45​#include <QTextLayout>
46#include <QTimer> 46​#include <QTimer>
47#include <QVBoxLayout> 47​#include <QVBoxLayout>
48#include <QStyle> 48​#include <QStyle>
49​#include <QPainter>
50​#include <QBitmap>
51​#include <QLinearGradient>
52​#include <QPolygon>
49 53​
50#include "dolphin_informationpanelsettings.h" 54​#include "dolphin_informationpanelsettings.h"
51#include "phononwidget.h" 55​#include "phononwidget.h"
52#include "pixmapviewer.h" 56​#include "pixmapviewer.h"
53 57​
58​const int PLAY_ARROW_SIZE = 24;
59​const int PLAY_ARROW_BORDER_SIZE = 2;
60​
54InformationPanelContent::InformationPanelContent(QWidget* parent) : 61​InformationPanelContent::InformationPanelContent(QWidget* parent) :
55 QWidget(parent), 62​ QWidget(parent),
56 m_item(), 63​ m_item(),
57 m_previewJob(nullptr), 64​ m_previewJob(nullptr),
58 m_outdatedPreviewTimer(nullptr), 65​ m_outdatedPreviewTimer(nullptr),
59 m_preview(nullptr), 66​ m_preview(nullptr),
60 m_phononWidget(nullptr), 67​ m_phononWidget(nullptr),
61 m_nameLabel(nullptr), 68​ m_nameLabel(nullptr),
62 m_metaDataWidget(nullptr), 69​ m_metaDataWidget(nullptr),
63 m_metaDataArea(nullptr), 70​ m_metaDataArea(nullptr),
64 m_placesItemModel(nullptr) 71​ m_placesItemModel(nullptr),
72​ m_usePhonon(false)
65{ 73​{
66 parent->installEventFilter(this); 74​ parent->installEventFilter(this);
67 75​
68 // Initialize timer for disabling an outdated preview with a small 76​ // Initialize timer for disabling an outdated preview with a small
69 // delay. This prevents flickering if the new preview can be generated 77​ // delay. This prevents flickering if the new preview can be generated
70 // within a very small timeframe. 78​ // within a very small timeframe.
71 m_outdatedPreviewTimer = new QTimer(this); 79​ m_outdatedPreviewTimer = new QTimer(this);
72 m_outdatedPreviewTimer->setInterval(300); 80​ m_outdatedPreviewTimer->setInterval(300);
▲ Show 20 Lines • Show All 88 Lines • ▼ Show 20 Line(s)168{
161 if (item != m_item) { 169​ if (item != m_item) {
162 m_item = item; 170​ m_item = item;
163 171​
164 refreshMetaData(); 172​ refreshMetaData();
165 } 173​ }
166 refreshPreview(); 174​ refreshPreview();
167} 175​}
168 176​
169void InformationPanelContent::refreshPreview() 177​void InformationPanelContent::refreshPixmapView() {
170{ 178​
171 // If there is a preview job, kill it to prevent that we have jobs for ​
172 // multiple items running, and thus a race condition (bug 250787). ​
elvisangelaccioUnsubmitted
Done

Why remove this comment? We are still killing the preview job here, aren't we?

elvisangelaccio: Why remove this comment? We are still killing the preview job here, aren't we?
mevenAuthorUnsubmitted
Done

The comment was moved to InformationPanelContent::refreshPreview but I have re-added it here as well.

meven: The comment was moved to InformationPanelContent::refreshPreview but I have re-added it here as…
173 if (m_previewJob) { 179​ if (m_previewJob) {
174 m_previewJob->kill(); 180​ m_previewJob->kill();
175 } 181​ }
176 182​
177 setNameLabelText(m_item.text()); ​
178 if (InformationPanelSettings::previewsShown()) { ​
179 ​
180 const QUrl itemUrl = m_item.url(); ​
181 const bool isSearchUrl = itemUrl.scheme().contains(QStringLiteral("search")) && m_item.localPath().isEmpty(); ​
182 if (isSearchUrl) { ​
183 m_preview->show(); ​
184 ​
185 // in the case of a search-URL the URL is not readable for humans ​
186 // (at least not useful to show in the Information Panel) ​
187 m_preview->setPixmap( ​
188 QIcon::fromTheme(QStringLiteral("nepomuk")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous) ​
189 ); ​
190 } else { ​
191 // try to get a preview pixmap from the item... 183​ // try to get a preview pixmap from the item...
192 184​
193 // Mark the currently shown preview as outdated. This is done 185​ // Mark the currently shown preview as outdated. This is done
194 // with a small delay to prevent a flickering when the next preview 186​ // with a small delay to prevent a flickering when the next preview
195 // can be shown within a short timeframe. This timer is not started 187​ // can be shown within a short timeframe. This timer is not started
196 // for directories, as directory previews might fail and return the 188​ // for directories, as directory previews might fail and return the
197 // same icon. 189​ // same icon.
198 if (!m_item.isDir()) { 190​ if (!m_item.isDir()) {
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208 if (m_previewJob->uiDelegate()) { 200​ if (m_previewJob->uiDelegate()) {
209 KJobWidgets::setWindow(m_previewJob, this); 201​ KJobWidgets::setWindow(m_previewJob, this);
210 } 202​ }
211 203​
212 connect(m_previewJob.data(), &KIO::PreviewJob::gotPreview, 204​ connect(m_previewJob.data(), &KIO::PreviewJob::gotPreview,
213 this, &InformationPanelContent::showPreview); 205​ this, &InformationPanelContent::showPreview);
214 connect(m_previewJob.data(), &KIO::PreviewJob::failed, 206​ connect(m_previewJob.data(), &KIO::PreviewJob::failed,
215 this, &InformationPanelContent::showIcon); 207​ this, &InformationPanelContent::showIcon);
208​}
209​
210​void InformationPanelContent::refreshPreview()
211​{
212​ // If there is a preview job, kill it to prevent that we have jobs for
213​ // multiple items running, and thus a race condition (bug 250787).
214​ if (m_previewJob) {
215​ m_previewJob->kill();
216​ }
217​
218​ m_preview->setCursor(Qt::ArrowCursor);
219​ m_usePhonon = false;
220​ setNameLabelText(m_item.text());
221​ if (InformationPanelSettings::previewsShown()) {
222​
223​ const QUrl itemUrl = m_item.url();
224​ const bool isSearchUrl = itemUrl.scheme().contains(QStringLiteral("search")) && m_item.localPath().isEmpty();
225​ if (isSearchUrl) {
226​ m_preview->show();
227​
228​ // in the case of a search-URL the URL is not readable for humans
229​ // (at least not useful to show in the Information Panel)
230​ m_preview->setPixmap(
231​ QIcon::fromTheme(QStringLiteral("nepomuk")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous)
232​ );
233​ } else {
234​
235​ refreshPixmapView();
216 236​
217 const QString mimeType = m_item.mimetype(); 237​ const QString mimeType = m_item.mimetype();
218 const bool isVideo = mimeType.startsWith(QLatin1String("video/")); 238​ const bool isVideo = mimeType.startsWith(QLatin1String("video/"));
219 const bool usePhonon = mimeType.startsWith(QLatin1String("audio/")) || isVideo; 239​ m_usePhonon = mimeType.startsWith(QLatin1String("audio/")) || isVideo;
220 240​
221 if (usePhonon) { 241​ if (m_usePhonon) {
242​ // change the cursor of the preview
243​ m_preview->setCursor(Qt::PointingHandCursor);
244​ m_preview->installEventFilter(m_phononWidget);
245​
246​ // if the video is playing, has been paused or stopped
247​ // we don't need to update the preview/phonon widget states
248​ // unless the previewed file has changed
249​ if ((m_phononWidget->state() != Phonon::State::PlayingState &&
250​ m_phononWidget->state() != Phonon::State::PausedState &&
251​ m_phononWidget->state() != Phonon::State::StoppedState) ||
252​ m_item.targetUrl() != m_phononWidget->url()) {
222 253​
223 if (InformationPanelSettings::previewsAutoPlay() && isVideo) { 254​ if (InformationPanelSettings::previewsAutoPlay() && isVideo) {
224 // hides the preview now to avoid flickering when the autoplay video starts 255​ // hides the preview now to avoid flickering when the autoplay video starts
225 m_preview->hide(); 256​ m_preview->hide();
226 } else { 257​ } else {
227 // the video won't play before the preview is displayed 258​ // the video won't play before the preview is displayed
228 m_preview->show(); 259​ m_preview->show();
229 } 260​ }
230 261​
231 m_phononWidget->show(); 262​ m_phononWidget->show();
232 m_phononWidget->setUrl(m_item.targetUrl(), isVideo ? PhononWidget::MediaKind::Video : PhononWidget::MediaKind::Audio); 263​ m_phononWidget->setUrl(m_item.targetUrl(), isVideo ? PhononWidget::MediaKind::Video : PhononWidget::MediaKind::Audio);
233 m_phononWidget->setVideoSize(m_preview->size()); 264​ m_phononWidget->setVideoSize(m_preview->size());
265​ }
234 } else { 266​ } else {
235 // When we don't need it, hide the phonon widget first to avoid flickering 267​ // When we don't need it, hide the phonon widget first to avoid flickering
236 m_phononWidget->hide(); 268​ m_phononWidget->hide();
237 m_preview->show(); 269​ m_preview->show();
270​ m_preview->removeEventFilter(m_phononWidget);
271​ m_phononWidget->clearUrl();
238 } 272​ }
239 } 273​ }
240 } else { 274​ } else {
241 m_preview->hide(); 275​ m_preview->hide();
242 m_phononWidget->hide(); 276​ m_phononWidget->hide();
243 } 277​ }
244} 278​}
245 279​
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318void InformationPanelContent::showPreview(const KFileItem& item, 352​void InformationPanelContent::showPreview(const KFileItem& item,
319 const QPixmap& pixmap) 353​ const QPixmap& pixmap)
320{ 354​{
321 m_outdatedPreviewTimer->stop(); 355​ m_outdatedPreviewTimer->stop();
322 Q_UNUSED(item); 356​ Q_UNUSED(item);
323 357​
324 QPixmap p = pixmap; 358​ QPixmap p = pixmap;
325 KIconLoader::global()->drawOverlays(item.overlays(), p, KIconLoader::Desktop); 359​ KIconLoader::global()->drawOverlays(item.overlays(), p, KIconLoader::Desktop);
360​
361​ if (m_usePhonon) {
362​ // adds a play arrow
363​
364​ // compute relative pixel positions
365​ const int zero_x = static_cast<int>(p.width() / 2 - PLAY_ARROW_SIZE / 2 / devicePixelRatio());
366​ const int zero_y = static_cast<int>(p.height() / 2 - PLAY_ARROW_SIZE / 2 / devicePixelRatio());
elvisangelaccioUnsubmitted
Done

Please always use camelCase.

elvisangelaccio: Please always use camelCase.
367​
368​ QPolygon arrow;
elvisangelaccioUnsubmitted
Done

Is it possible to not hardcode these numbers?

elvisangelaccio: Is it possible to not hardcode these numbers?
369​ arrow << QPoint(zero_x, zero_y);
370​ arrow << QPoint(zero_x, zero_y + PLAY_ARROW_SIZE);
371​ arrow << QPoint(zero_x + PLAY_ARROW_SIZE, zero_y + PLAY_ARROW_SIZE / 2);
372​
373​ QPainterPath path;
374​ path.addPolygon(arrow);
375​
elvisangelaccioUnsubmitted
Done

Coding style: opening brace should go to the end of previous line.

elvisangelaccio: Coding style: opening brace should go to the end of previous line.
376​ QLinearGradient gradient(QPointF(zero_x, zero_y),
377​ QPointF(zero_x + PLAY_ARROW_SIZE,zero_y + PLAY_ARROW_SIZE));
378​
379​ QColor whiteColor = Qt::white;
380​ QColor blackColor = Qt::black;
381​ gradient.setColorAt(0, whiteColor);
382​ gradient.setColorAt(1, blackColor);
383​
384​ QBrush brush(gradient);
385​
386​ QPainter painter(&p);
387​
388​ QPen pen(blackColor, PLAY_ARROW_BORDER_SIZE, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
389​ painter.setPen(pen);
390​
391​ painter.setRenderHint(QPainter::Antialiasing);
392​ painter.drawPolygon(arrow);
393​ painter.fillPath(path, brush);
394​ }
395​
326 m_preview->setPixmap(p); 396​ m_preview->setPixmap(p);
327} 397​}
328 398​
329void InformationPanelContent::markOutdatedPreview() 399​void InformationPanelContent::markOutdatedPreview()
330{ 400​{
331 KIconEffect *iconEffect = KIconLoader::global()->iconEffect(); 401​ KIconEffect *iconEffect = KIconLoader::global()->iconEffect();
332 QPixmap disabledPixmap = iconEffect->apply(m_preview->pixmap(), 402​ QPixmap disabledPixmap = iconEffect->apply(m_preview->pixmap(),
333 KIconLoader::Desktop, 403​ KIconLoader::Desktop,
334 KIconLoader::DisabledState); 404​ KIconLoader::DisabledState);
335 m_preview->setPixmap(disabledPixmap); 405​ m_preview->setPixmap(disabledPixmap);
336} 406​}
337 407​
338KFileItemList InformationPanelContent::items() 408​KFileItemList InformationPanelContent::items()
339{ 409​{
340 return m_metaDataWidget->items(); 410​ return m_metaDataWidget->items();
341} 411​}
342 412​
343void InformationPanelContent::slotHasVideoChanged(bool hasVideo) 413​void InformationPanelContent::slotHasVideoChanged(bool hasVideo)
344{ 414​{
345 m_preview->setVisible(InformationPanelSettings::previewsShown() && !hasVideo); 415​ m_preview->setVisible(InformationPanelSettings::previewsShown() && !hasVideo);
416​ if (m_preview->isVisible() && m_preview->size().width() != m_preview->pixmap().size().width()) {
417​ // in case the information panel has been resized when the preview was not displayed
418​ // we need to refresh its content
419​ refreshPixmapView();
420​ }
346} 421​}
347 422​
348void InformationPanelContent::setPreviewAutoPlay(bool autoPlay) { 423​void InformationPanelContent::setPreviewAutoPlay(bool autoPlay) {
349 m_phononWidget->setAutoPlay(autoPlay); 424​ m_phononWidget->setAutoPlay(autoPlay);
350} 425​}
351 426​
352void InformationPanelContent::setNameLabelText(const QString& text) 427​void InformationPanelContent::setNameLabelText(const QString& text)
353{ 428​{
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