Replace old deleted nepomuk icon with baloo icon

[dolphin.git] / src / panels / information / informationpanelcontent.cpp

diff --git a/src/panels/information/informationpanelcontent.cpp b/src/panels/information/informationpanelcontent.cpp
index 4b34e55e32b5164d349f8f1d4ea42d9c282413ec..417ca709cf0c2a1dcbb538ce11345b541ee38ef8 100644 (file)
--- a/src/panels/information/informationpanelcontent.cpp
+++ b/src/panels/information/informationpanelcontent.cpp
@@ -40,16 +40,24 @@
 #include <Phonon/MediaObject>
 
 #include <QLabel>
 #include <Phonon/MediaObject>
 
 #include <QLabel>

+#include <QDialogButtonBox>

 #include <QScrollArea>
 #include <QTextLayout>
 #include <QTimer>
 #include <QVBoxLayout>
 #include <QStyle>
 #include <QScrollArea>
 #include <QTextLayout>
 #include <QTimer>
 #include <QVBoxLayout>
 #include <QStyle>

+#include <QPainter>
+#include <QBitmap>
+#include <QLinearGradient>
+#include <QPolygon>

 
 #include "dolphin_informationpanelsettings.h"
 #include "phononwidget.h"
 #include "pixmapviewer.h"
 
 
 #include "dolphin_informationpanelsettings.h"
 #include "phononwidget.h"
 #include "pixmapviewer.h"
 

+const int PLAY_ARROW_SIZE = 24;
+const int PLAY_ARROW_BORDER_SIZE = 2;
+

 InformationPanelContent::InformationPanelContent(QWidget* parent) :
     QWidget(parent),
     m_item(),
 InformationPanelContent::InformationPanelContent(QWidget* parent) :
     QWidget(parent),
     m_item(),


@@ -60,7 +68,8 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) :
     m_nameLabel(nullptr),
     m_metaDataWidget(nullptr),
     m_metaDataArea(nullptr),
     m_nameLabel(nullptr),
     m_metaDataWidget(nullptr),
     m_metaDataArea(nullptr),

-    m_placesItemModel(nullptr)
+    m_placesItemModel(nullptr),
+    m_isVideo(false)

 {
     parent->installEventFilter(this);
 
 {
     parent->installEventFilter(this);
 


@@ -85,6 +94,7 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) :
     m_phononWidget = new PhononWidget(parent);
     m_phononWidget->hide();
     m_phononWidget->setMinimumWidth(minPreviewWidth);
     m_phononWidget = new PhononWidget(parent);
     m_phononWidget->hide();
     m_phononWidget->setMinimumWidth(minPreviewWidth);

+    m_phononWidget->setAutoPlay(InformationPanelSettings::previewsAutoPlay());

     connect(m_phononWidget, &PhononWidget::hasVideoChanged,
             this, &InformationPanelContent::slotHasVideoChanged);
 
     connect(m_phononWidget, &PhononWidget::hasVideoChanged,
             this, &InformationPanelContent::slotHasVideoChanged);
 


@@ -107,18 +117,31 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) :
     m_metaDataWidget->setFont(QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont));
     m_metaDataWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
 
     m_metaDataWidget->setFont(QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont));
     m_metaDataWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
 

-    // Encapsulate the MetaDataWidget inside a container that has a dummy widget
-    // at the bottom. This prevents that the meta data widget gets vertically stretched
-    // in the case where the height of m_metaDataArea > m_metaDataWidget.
-    QWidget* metaDataWidgetContainer = new QWidget(parent);
-    QVBoxLayout* containerLayout = new QVBoxLayout(metaDataWidgetContainer);
-    containerLayout->setContentsMargins(0, 0, 0, 0);
-    containerLayout->setSpacing(0);
-    containerLayout->addWidget(m_metaDataWidget);
-    containerLayout->addStretch();
+    // Configuration
+    m_configureLabel = new QLabel(i18nc("@label::textbox",
+                                        "Select which data should be shown:"), this);
+    m_configureLabel->setWordWrap(true);
+    m_configureLabel->setVisible(false);
+
+    m_configureButtons = new QDialogButtonBox(QDialogButtonBox::Save | QDialogButtonBox::Cancel);
+    m_configureButtons->setVisible(false);
+    connect(m_configureButtons, &QDialogButtonBox::accepted, this, [this]() {
+                m_metaDataWidget->setConfigurationMode(Baloo::ConfigurationMode::Accept);
+                m_configureButtons->setVisible(false);
+                m_configureLabel->setVisible(false);
+                emit configurationFinished();
+            }
+    );
+    connect(m_configureButtons, &QDialogButtonBox::rejected, this, [this]() {
+                m_metaDataWidget->setConfigurationMode(Baloo::ConfigurationMode::Cancel);
+                m_configureButtons->setVisible(false);
+                m_configureLabel->setVisible(false);
+                emit configurationFinished();
+            }
+    );

 
     m_metaDataArea = new QScrollArea(parent);
 
     m_metaDataArea = new QScrollArea(parent);

-    m_metaDataArea->setWidget(metaDataWidgetContainer);
+    m_metaDataArea->setWidget(m_metaDataWidget);

     m_metaDataArea->setWidgetResizable(true);
     m_metaDataArea->setFrameShape(QFrame::NoFrame);
 
     m_metaDataArea->setWidgetResizable(true);
     m_metaDataArea->setFrameShape(QFrame::NoFrame);
 


@@ -129,7 +152,9 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) :
     layout->addWidget(m_phononWidget);
     layout->addWidget(m_nameLabel);
     layout->addWidget(new KSeparator());
     layout->addWidget(m_phononWidget);
     layout->addWidget(m_nameLabel);
     layout->addWidget(new KSeparator());

+    layout->addWidget(m_configureLabel);

     layout->addWidget(m_metaDataArea);
     layout->addWidget(m_metaDataArea);

+    layout->addWidget(m_configureButtons);

 
     m_placesItemModel = new PlacesItemModel(this);
 }
 
     m_placesItemModel = new PlacesItemModel(this);
 }


@@ -140,6 +165,17 @@ InformationPanelContent::~InformationPanelContent()
 }
 
 void InformationPanelContent::showItem(const KFileItem& item)
 }
 
 void InformationPanelContent::showItem(const KFileItem& item)

+{
+    if (item != m_item) {
+        m_item = item;
+
+        m_preview->stopAnimatedImage();
+        refreshMetaData();
+    }
+    refreshPreview();
+}
+
+void InformationPanelContent::refreshPixmapView()

 {
     // If there is a preview job, kill it to prevent that we have jobs for
     // multiple items running, and thus a race condition (bug 250787).
 {
     // If there is a preview job, kill it to prevent that we have jobs for
     // multiple items running, and thus a race condition (bug 250787).


@@ -147,67 +183,122 @@ void InformationPanelContent::showItem(const KFileItem& item)
         m_previewJob->kill();
     }
 
         m_previewJob->kill();
     }
 

-    const QUrl itemUrl = item.url();
-    const bool isSearchUrl = itemUrl.scheme().contains(QStringLiteral("search")) && item.localPath().isEmpty();
-    setNameLabelText(item.text());
-    if (isSearchUrl) {
-        // in the case of a search-URL the URL is not readable for humans
-        // (at least not useful to show in the Information Panel)
-        m_preview->setPixmap(
-            QIcon::fromTheme(QStringLiteral("nepomuk")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous)
-        );
-    } else {
-        // try to get a preview pixmap from the item...
-
-        // Mark the currently shown preview as outdated. This is done
-        // with a small delay to prevent a flickering when the next preview
-        // can be shown within a short timeframe. This timer is not started
-        // for directories, as directory previews might fail and return the
-        // same icon.
-        if (!item.isDir()) {
-            m_outdatedPreviewTimer->start();
-        }
+    // try to get a preview pixmap from the item...

 
 

-        QStringList plugins = KIO::PreviewJob::availablePlugins();
-        m_previewJob = new KIO::PreviewJob(KFileItemList() << item,
-                                           QSize(m_preview->width(), m_preview->height()),
-                                           &plugins);
-        m_previewJob->setScaleType(KIO::PreviewJob::Unscaled);
-        m_previewJob->setIgnoreMaximumSize(item.isLocalFile());
-        if (m_previewJob->uiDelegate()) {
-            KJobWidgets::setWindow(m_previewJob, this);
-        }
+    // Mark the currently shown preview as outdated. This is done
+    // with a small delay to prevent a flickering when the next preview
+    // can be shown within a short timeframe. This timer is not started
+    // for directories, as directory previews might fail and return the
+    // same icon.
+    if (!m_item.isDir()) {
+        m_outdatedPreviewTimer->start();
+    }

 
 

-        connect(m_previewJob.data(), &KIO::PreviewJob::gotPreview,
-                this, &InformationPanelContent::showPreview);
-        connect(m_previewJob.data(), &KIO::PreviewJob::failed,
-                this, &InformationPanelContent::showIcon);
+    QStringList plugins = KIO::PreviewJob::availablePlugins();
+    m_previewJob = new KIO::PreviewJob(KFileItemList() << m_item,
+                                       QSize(m_preview->width(), m_preview->height()),
+                                       &plugins);
+    m_previewJob->setScaleType(KIO::PreviewJob::Unscaled);
+    m_previewJob->setIgnoreMaximumSize(m_item.isLocalFile());
+    if (m_previewJob->uiDelegate()) {
+        KJobWidgets::setWindow(m_previewJob, this);

     }
 
     }
 

-    if (m_metaDataWidget) {
-        m_metaDataWidget->setDateFormat(static_cast<Baloo::DateFormats>(InformationPanelSettings::dateFormat()));
-        m_metaDataWidget->show();
-        m_metaDataWidget->setItems(KFileItemList() << item);
+    connect(m_previewJob.data(), &KIO::PreviewJob::gotPreview,
+            this, &InformationPanelContent::showPreview);
+    connect(m_previewJob.data(), &KIO::PreviewJob::failed,
+            this, &InformationPanelContent::showIcon);
+}
+
+void InformationPanelContent::refreshPreview()
+{
+    // If there is a preview job, kill it to prevent that we have jobs for
+    // multiple items running, and thus a race condition (bug 250787).
+    if (m_previewJob) {
+        m_previewJob->kill();

     }
 
     }
 

+    m_preview->setCursor(Qt::ArrowCursor);
+    bool usePhonon = false;
+    setNameLabelText(m_item.text());

     if (InformationPanelSettings::previewsShown()) {
     if (InformationPanelSettings::previewsShown()) {

-        const QString mimeType = item.mimetype();
-        const bool usePhonon = mimeType.startsWith(QLatin1String("audio/")) || mimeType.startsWith(QLatin1String("video/"));
-        if (usePhonon) {
-            m_phononWidget->show();
-            m_phononWidget->setUrl(item.targetUrl());
-            if (m_preview->isVisible()) {
-                m_phononWidget->setVideoSize(m_preview->size());
-            }
+
+        const QUrl itemUrl = m_item.url();
+        const bool isSearchUrl = itemUrl.scheme().contains(QLatin1String("search")) && m_item.localPath().isEmpty();
+        if (isSearchUrl) {
+            m_preview->show();
+
+            // in the case of a search-URL the URL is not readable for humans
+            // (at least not useful to show in the Information Panel)
+            m_preview->setPixmap(
+                QIcon::fromTheme(QStringLiteral("baloo")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous)
+            );

         } else {
         } else {

-            m_phononWidget->hide();
-            m_preview->setVisible(true);
+
+            refreshPixmapView();
+
+            const QString mimeType = m_item.mimetype();
+            const bool isAnimatedImage = m_preview->isAnimatedImage(itemUrl.toLocalFile());
+            m_isVideo = !isAnimatedImage && mimeType.startsWith(QLatin1String("video/"));
+            usePhonon = m_isVideo || mimeType.startsWith(QLatin1String("audio/"));
+
+            if (usePhonon) {
+                // change the cursor of the preview
+                m_preview->setCursor(Qt::PointingHandCursor);
+                m_preview->installEventFilter(m_phononWidget);
+
+                // if the video is playing, has been paused or stopped
+                // we don't need to update the preview/phonon widget states
+                // unless the previewed file has changed,
+                // or the setting previewshown has changed
+                if ((m_phononWidget->state() != Phonon::State::PlayingState &&
+                     m_phononWidget->state() != Phonon::State::PausedState &&
+                     m_phononWidget->state() != Phonon::State::StoppedState) ||
+                        m_item.targetUrl() != m_phononWidget->url() ||
+                        (!m_preview->isVisible() &&! m_phononWidget->isVisible())) {
+
+                    if (InformationPanelSettings::previewsAutoPlay() && m_isVideo) {
+                        // hides the preview now to avoid flickering when the autoplay video starts
+                        m_preview->hide();
+                    } else {
+                        // the video won't play before the preview is displayed
+                        m_preview->show();
+                    }
+
+                    m_phononWidget->show();
+                    m_phononWidget->setUrl(m_item.targetUrl(), m_isVideo ? PhononWidget::MediaKind::Video : PhononWidget::MediaKind::Audio);
+                    adjustWidgetSizes(parentWidget()->width());
+                }
+            } else {
+                if (isAnimatedImage) {
+                    m_preview->setAnimatedImageFileName(itemUrl.toLocalFile());
+                }
+                // When we don't need it, hide the phonon widget first to avoid flickering
+                m_phononWidget->hide();
+                m_preview->show();
+                m_preview->removeEventFilter(m_phononWidget);
+                m_phononWidget->clearUrl();
+            }

         }
     } else {
         }
     } else {

+        m_preview->stopAnimatedImage();
+        m_preview->hide();

         m_phononWidget->hide();
     }
         m_phononWidget->hide();
     }

+}

 
 

-    m_item = item;
+void InformationPanelContent::configureShownProperties()
+{
+    m_configureLabel->setVisible(true);
+    m_configureButtons->setVisible(true);
+    m_metaDataWidget->setConfigurationMode(Baloo::ConfigurationMode::ReStart);
+}
+
+void InformationPanelContent::refreshMetaData()
+{
+    m_metaDataWidget->setDateFormat(static_cast<Baloo::DateFormats>(InformationPanelSettings::dateFormat()));
+    m_metaDataWidget->show();
+    m_metaDataWidget->setItems(KFileItemList() << m_item);

 }
 
 void InformationPanelContent::showItems(const KFileItemList& items)
 }
 
 void InformationPanelContent::showItems(const KFileItemList& items)


@@ -218,14 +309,14 @@ void InformationPanelContent::showItems(const KFileItemList& items)
         m_previewJob->kill();
     }
 
         m_previewJob->kill();
     }
 

+    m_preview->stopAnimatedImage();
+

     m_preview->setPixmap(
         QIcon::fromTheme(QStringLiteral("dialog-information")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous)
     );
     setNameLabelText(i18ncp("@label", "%1 item selected", "%1 items selected", items.count()));
 
     m_preview->setPixmap(
         QIcon::fromTheme(QStringLiteral("dialog-information")).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous)
     );
     setNameLabelText(i18ncp("@label", "%1 item selected", "%1 items selected", items.count()));
 

-    if (m_metaDataWidget) {
-        m_metaDataWidget->setItems(items);
-    }
+    m_metaDataWidget->setItems(items);

 
     m_phononWidget->hide();
 
 
     m_phononWidget->hide();
 


@@ -274,10 +365,45 @@ void InformationPanelContent::showPreview(const KFileItem& item,
                                           const QPixmap& pixmap)
 {
     m_outdatedPreviewTimer->stop();
                                           const QPixmap& pixmap)
 {
     m_outdatedPreviewTimer->stop();

-    Q_UNUSED(item);

 
     QPixmap p = pixmap;
     KIconLoader::global()->drawOverlays(item.overlays(), p, KIconLoader::Desktop);
 
     QPixmap p = pixmap;
     KIconLoader::global()->drawOverlays(item.overlays(), p, KIconLoader::Desktop);

+
+    if (m_isVideo) {
+        // adds a play arrow
+
+        // compute relative pixel positions
+        const int zeroX = static_cast<int>(p.width() / 2 - PLAY_ARROW_SIZE / 2 / devicePixelRatio());
+        const int zeroY = static_cast<int>(p.height() / 2 - PLAY_ARROW_SIZE / 2 / devicePixelRatio());
+
+        QPolygon arrow;
+        arrow << QPoint(zeroX, zeroY);
+        arrow << QPoint(zeroX, zeroY + PLAY_ARROW_SIZE);
+        arrow << QPoint(zeroX + PLAY_ARROW_SIZE, zeroY + PLAY_ARROW_SIZE / 2);
+
+        QPainterPath path;
+        path.addPolygon(arrow);
+
+        QLinearGradient gradient(QPointF(zeroX, zeroY),
+                                 QPointF(zeroX + PLAY_ARROW_SIZE,zeroY + PLAY_ARROW_SIZE));
+
+        QColor whiteColor = Qt::white;
+        QColor blackColor = Qt::black;
+        gradient.setColorAt(0, whiteColor);
+        gradient.setColorAt(1, blackColor);
+
+        QBrush brush(gradient);
+
+        QPainter painter(&p);
+
+        QPen pen(blackColor, PLAY_ARROW_BORDER_SIZE, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
+        painter.setPen(pen);
+
+        painter.setRenderHint(QPainter::Antialiasing);
+        painter.drawPolygon(arrow);
+        painter.fillPath(path, brush);
+    }
+

     m_preview->setPixmap(p);
 }
 
     m_preview->setPixmap(p);
 }
 


@@ -290,24 +416,23 @@ void InformationPanelContent::markOutdatedPreview()
     m_preview->setPixmap(disabledPixmap);
 }
 
     m_preview->setPixmap(disabledPixmap);
 }
 

-void InformationPanelContent::setPreviewVisible(bool visible) {
-    m_preview->setVisible(visible);
-}
-
-KFileItemList InformationPanelContent::items() {
+KFileItemList InformationPanelContent::items()
+{

     return m_metaDataWidget->items();
 }
 
 void InformationPanelContent::slotHasVideoChanged(bool hasVideo)
 {
     m_preview->setVisible(InformationPanelSettings::previewsShown() && !hasVideo);
     return m_metaDataWidget->items();
 }
 
 void InformationPanelContent::slotHasVideoChanged(bool hasVideo)
 {
     m_preview->setVisible(InformationPanelSettings::previewsShown() && !hasVideo);

+    if (m_preview->isVisible() && m_preview->size().width() != m_preview->pixmap().size().width()) {
+        // in case the information panel has been resized when the preview was not displayed
+        // we need to refresh its content
+        refreshPixmapView();
+    }

 }
 
 }
 

-void InformationPanelContent::refreshMetaData()
-{
-    if (!m_item.isNull()) {
-        showItem(m_item);
-    }
+void InformationPanelContent::setPreviewAutoPlay(bool autoPlay) {
+    m_phononWidget->setAutoPlay(autoPlay);

 }
 
 void InformationPanelContent::setNameLabelText(const QString& text)
 }
 
 void InformationPanelContent::setNameLabelText(const QString& text)


@@ -353,9 +478,7 @@ void InformationPanelContent::adjustWidgetSizes(int width)
 
     // The metadata widget also contains a text widget which may return
     // a large preferred width.
 
     // The metadata widget also contains a text widget which may return
     // a large preferred width.

-    if (m_metaDataWidget) {
-        m_metaDataWidget->setMaximumWidth(maxWidth);
-    }
+    m_metaDataWidget->setMaximumWidth(maxWidth);

 
     // try to increase the preview as large as possible
     m_preview->setSizeHint(QSize(maxWidth, maxWidth));
 
     // try to increase the preview as large as possible
     m_preview->setSizeHint(QSize(maxWidth, maxWidth));