Don't crash if we don't have a terminal

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

diff --git a/src/panels/information/informationpanelcontent.cpp b/src/panels/information/informationpanelcontent.cpp
index b18e6b26e53a1f1eb25cc4b829c89dba7557f0e0..2a8682a127e9eb5818e86fa0c518bf14b7b529fb 100644 (file)
--- a/src/panels/information/informationpanelcontent.cpp
+++ b/src/panels/information/informationpanelcontent.cpp
@@ -1,5 +1,5 @@
 /***************************************************************************
 /***************************************************************************

- *   Copyright (C) 2009 by Peter Penz <peter.penz@gmx.at>                  *
+ *   Copyright (C) 2009 by Peter Penz <peter.penz19@gmail.com>             *

  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *


@@ -19,51 +19,57 @@
 
 #include "informationpanelcontent.h"
 
 
 #include "informationpanelcontent.h"
 

-#include <kdialog.h>
-#include <kfileitem.h>
-#include <kfilemetadatawidget.h>
-#include <kfileplacesmodel.h>
-#include <kglobalsettings.h>
-#include <kio/previewjob.h>
-#include <kiconeffect.h>
-#include <kiconloader.h>
-#include <klocale.h>
-#include <kmenu.h>
-#include <kseparator.h>
-#include <kstringhandler.h>
+#include <KIO/JobUiDelegate>
+#include <KIO/PreviewJob>
+#include <KIconEffect>
+#include <KIconLoader>
+#include <KJobWidgets>
+#include <KLocalizedString>
+#include <KSeparator>
+#include <KStringHandler>
+
+#include <QIcon>
+#include <QTextDocument>
+
+#include <Baloo/FileMetaDataWidget>
+
+#include <panels/places/placesitem.h>
+#include <panels/places/placesitemmodel.h>

 
 #include <Phonon/BackendCapabilities>
 #include <Phonon/MediaObject>
 
 #include <Phonon/BackendCapabilities>
 #include <Phonon/MediaObject>

-#include <Phonon/SeekSlider>

 
 

-#include <QEvent>

 #include <QLabel>
 #include <QLabel>

-#include <QPixmap>
-#include <QPointer>
-#include <QResizeEvent>
+#include <QDialogButtonBox>

 #include <QScrollArea>
 #include <QScrollArea>

-#include <QTextDocument>

 #include <QTextLayout>
 #include <QTextLayout>

-#include <QTextLine>

 #include <QTimer>
 #include <QVBoxLayout>
 #include <QTimer>
 #include <QVBoxLayout>

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

 
 #include "dolphin_informationpanelsettings.h"
 
 #include "dolphin_informationpanelsettings.h"

-#include "settings/dolphinsettings.h"
-#include "settings/filemetadataconfigurationdialog.h"

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

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

 InformationPanelContent::InformationPanelContent(QWidget* parent) :
 InformationPanelContent::InformationPanelContent(QWidget* parent) :

-    Panel(parent),
+    QWidget(parent),

     m_item(),
     m_item(),

-    m_pendingPreview(false),
-    m_outdatedPreviewTimer(0),
-    m_preview(0),
-    m_phononWidget(0),
-    m_nameLabel(0),
-    m_metaDataWidget(0),
-    m_metaDataArea(0)
+    m_previewJob(nullptr),
+    m_outdatedPreviewTimer(nullptr),
+    m_preview(nullptr),
+    m_phononWidget(nullptr),
+    m_nameLabel(nullptr),
+    m_metaDataWidget(nullptr),
+    m_metaDataArea(nullptr),
+    m_placesItemModel(nullptr),
+    m_isVideo(false)

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


@@ -73,11 +79,10 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) :
     m_outdatedPreviewTimer = new QTimer(this);
     m_outdatedPreviewTimer->setInterval(300);
     m_outdatedPreviewTimer->setSingleShot(true);
     m_outdatedPreviewTimer = new QTimer(this);
     m_outdatedPreviewTimer->setInterval(300);
     m_outdatedPreviewTimer->setSingleShot(true);

-    connect(m_outdatedPreviewTimer, SIGNAL(timeout()),
-            this, SLOT(markOutdatedPreview()));
+    connect(m_outdatedPreviewTimer, &QTimer::timeout,
+            this, &InformationPanelContent::markOutdatedPreview);

 
     QVBoxLayout* layout = new QVBoxLayout(this);
 
     QVBoxLayout* layout = new QVBoxLayout(this);

-    layout->setSpacing(KDialog::spacingHint());

 
     // preview
     const int minPreviewWidth = KIconLoader::SizeEnormous + KIconLoader::SizeMedium;
 
     // preview
     const int minPreviewWidth = KIconLoader::SizeEnormous + KIconLoader::SizeMedium;


@@ -87,151 +92,231 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) :
     m_preview->setMinimumHeight(KIconLoader::SizeEnormous);
 
     m_phononWidget = new PhononWidget(parent);
     m_preview->setMinimumHeight(KIconLoader::SizeEnormous);
 
     m_phononWidget = new PhononWidget(parent);

+    m_phononWidget->hide();

     m_phononWidget->setMinimumWidth(minPreviewWidth);
     m_phononWidget->setMinimumWidth(minPreviewWidth);

-    connect(m_phononWidget, SIGNAL(playingStarted()),
-            this, SLOT(slotPlayingStarted()));
-    connect(m_phononWidget, SIGNAL(playingStopped()),
-            this, SLOT(slotPlayingStopped()));
+    m_phononWidget->setAutoPlay(InformationPanelSettings::previewsAutoPlay());
+    connect(m_phononWidget, &PhononWidget::hasVideoChanged,
+            this, &InformationPanelContent::slotHasVideoChanged);

 
     // name
     m_nameLabel = new QLabel(parent);
     QFont font = m_nameLabel->font();
     font.setBold(true);
     m_nameLabel->setFont(font);
 
     // name
     m_nameLabel = new QLabel(parent);
     QFont font = m_nameLabel->font();
     font.setBold(true);
     m_nameLabel->setFont(font);

+    m_nameLabel->setTextFormat(Qt::PlainText);

     m_nameLabel->setAlignment(Qt::AlignHCenter);
     m_nameLabel->setAlignment(Qt::AlignHCenter);

-    m_nameLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+    m_nameLabel->setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Fixed);

 
 

-    const bool showPreview = InformationPanelSettings::showPreview();
-    m_preview->setVisible(showPreview);
+    const bool previewsShown = InformationPanelSettings::previewsShown();
+    m_preview->setVisible(previewsShown);

 
 

-    m_metaDataWidget = new KFileMetaDataWidget(parent);
-    m_metaDataWidget->setFont(KGlobalSettings::smallestReadableFont());
+    m_metaDataWidget = new Baloo::FileMetaDataWidget(parent);
+    m_metaDataWidget->setDateFormat(static_cast<Baloo::DateFormats>(InformationPanelSettings::dateFormat()));
+    connect(m_metaDataWidget, &Baloo::FileMetaDataWidget::urlActivated,
+            this, &InformationPanelContent::urlActivated);
+    m_metaDataWidget->setFont(QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont));

     m_metaDataWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
     m_metaDataWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);

-    connect(m_metaDataWidget, SIGNAL(urlActivated(KUrl)), this, SIGNAL(urlActivated(KUrl)));
-
-    // 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);
 
     QWidget* viewport = m_metaDataArea->viewport();
     viewport->installEventFilter(this);
 
     m_metaDataArea->setWidgetResizable(true);
     m_metaDataArea->setFrameShape(QFrame::NoFrame);
 
     QWidget* viewport = m_metaDataArea->viewport();
     viewport->installEventFilter(this);
 

-    QPalette palette = viewport->palette();
-    palette.setColor(viewport->backgroundRole(), QColor(Qt::transparent));
-    viewport->setPalette(palette);
-

     layout->addWidget(m_preview);
     layout->addWidget(m_phononWidget);
     layout->addWidget(m_nameLabel);
     layout->addWidget(new KSeparator());
     layout->addWidget(m_preview);
     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);

 }
 
 InformationPanelContent::~InformationPanelContent()
 {
 }
 
 InformationPanelContent::~InformationPanelContent()
 {

-    InformationPanelSettings::self()->writeConfig();
+    InformationPanelSettings::self()->save();

 }
 
 void InformationPanelContent::showItem(const KFileItem& item)
 {
 }
 
 void InformationPanelContent::showItem(const KFileItem& item)
 {

-    m_pendingPreview = false;
-
-    const KUrl itemUrl = item.url();
-    const bool isNepomukSearchUrl = itemUrl.protocol().startsWith("nepomuk") && item.nepomukUri().isEmpty();
-    if (!applyPlace(itemUrl)) {
-        setNameLabelText(item.text());
-        if (isNepomukSearchUrl) {
-            // in the case of a Nepomuk query-URL the URL is not readable for humans
-            // (at least not useful to show in the Information Panel)
-            KIconLoader iconLoader;
-            QPixmap icon = iconLoader.loadIcon("nepomuk",
-                                               KIconLoader::NoGroup,
-                                               KIconLoader::SizeEnormous);
-            m_preview->setPixmap(icon);
-        } else {
-            // try to get a preview pixmap from the item...
-            m_pendingPreview = true;
-
-            // 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();
-            }
+    if (item != m_item) {
+        m_item = item;

 
 

-            KIO::PreviewJob* job = KIO::filePreview(KFileItemList() << item,
-                                                    m_preview->width(),
-                                                    m_preview->height(),
-                                                    0,
-                                                    0,
-                                                    false,
-                                                    true);
-
-            connect(job, SIGNAL(gotPreview(const KFileItem&, const QPixmap&)),
-                    this, SLOT(showPreview(const KFileItem&, const QPixmap&)));
-            connect(job, SIGNAL(failed(const KFileItem&)),
-                    this, SLOT(showIcon(const KFileItem&)));
-        }
+        m_preview->stopAnimatedImage();
+        refreshMetaData();

     }
     }

+    refreshPreview();
+}

 
 

-    if (m_metaDataWidget != 0) {
-        m_metaDataWidget->show();
-        m_metaDataWidget->setItems(KFileItemList() << item);
+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 (m_previewJob) {
+        m_previewJob->kill();

     }
 
     }
 

-    if (InformationPanelSettings::showPreview()) {
-        const QString mimeType = item.mimetype();
-        const bool usePhonon = Phonon::BackendCapabilities::isMimeTypeAvailable(mimeType) &&
-                               (mimeType != "image/png");  // TODO: workaround, as Phonon
-                                                           // thinks it supports PNG images
-        if (usePhonon) {
-            m_phononWidget->show();
-            PhononWidget::Mode mode = mimeType.startsWith(QLatin1String("video"))
-                                      ? PhononWidget::Video
-                                      : PhononWidget::Audio;
-            m_phononWidget->setMode(mode);
-            m_phononWidget->setUrl(item.url());
-            if ((mode == PhononWidget::Video) && m_preview->isVisible()) {
-                m_phononWidget->setVideoSize(m_preview->size());
-            }
+    // 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 (!m_item.isDir()) {
+        m_outdatedPreviewTimer->start();
+    }
+
+    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);
+    }
+
+    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()) {
+
+        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("nepomuk")).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)
 {

-    m_pendingPreview = false;
+    // 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();
+    }

 
 

-    KIconLoader iconLoader;
-    QPixmap icon = iconLoader.loadIcon("dialog-information",
-                                       KIconLoader::NoGroup,
-                                       KIconLoader::SizeEnormous);
-    m_preview->setPixmap(icon);
-    setNameLabelText(i18ncp("@info", "%1 item selected", "%1 items selected", items.count()));
+    m_preview->stopAnimatedImage();

 
 

-    if (m_metaDataWidget != 0) {
-        m_metaDataWidget->setItems(items);
-    }
+    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_metaDataWidget->setItems(items);

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


@@ -257,56 +342,23 @@ bool InformationPanelContent::eventFilter(QObject* obj, QEvent* event)
         adjustWidgetSizes(parentWidget()->width());
         break;
 
         adjustWidgetSizes(parentWidget()->width());
         break;
 

-    default:
+    case QEvent::FontChange:
+        m_metaDataWidget->setFont(QFontDatabase::systemFont(QFontDatabase::SmallestReadableFont));

         break;
         break;

-    }
-
-    return Panel::eventFilter(obj, event);
-}
-
-void InformationPanelContent::configureSettings()
-{
-    KMenu popup(this);

 
 

-    QAction* previewAction = popup.addAction(i18nc("@action:inmenu", "Preview"));
-    previewAction->setIcon(KIcon("view-preview"));
-    previewAction->setCheckable(true);
-    previewAction->setChecked(InformationPanelSettings::showPreview());
-
-    QAction* configureAction = popup.addAction(i18nc("@action:inmenu", "Configure..."));
-    configureAction->setIcon(KIcon("configure"));
-
-    // Open the popup and adjust the settings for the
-    // selected action.
-    QAction* action = popup.exec(QCursor::pos());
-    if (action == 0) {
-        return;
+    default:
+        break;

     }
 
     }
 

-    const bool isChecked = action->isChecked();
-    if (action == previewAction) {
-        m_preview->setVisible(isChecked);
-        InformationPanelSettings::setShowPreview(isChecked);
-    } else if (action == configureAction) {
-        FileMetaDataConfigurationDialog* dialog = new FileMetaDataConfigurationDialog();
-        dialog->setDescription(i18nc("@label::textbox",
-                                     "Select which data should be shown in the information panel."));
-        dialog->setItems(m_metaDataWidget->items());
-        dialog->setAttribute(Qt::WA_DeleteOnClose);
-        dialog->show();
-        dialog->raise();
-        dialog->activateWindow();
-        connect(dialog, SIGNAL(destroyed()), this, SLOT(refreshMetaData()));
-    }
+    return QWidget::eventFilter(obj, event);

 }
 
 void InformationPanelContent::showIcon(const KFileItem& item)
 {
     m_outdatedPreviewTimer->stop();
 }
 
 void InformationPanelContent::showIcon(const KFileItem& item)
 {
     m_outdatedPreviewTimer->stop();

-    m_pendingPreview = false;
-    if (!applyPlace(item.url())) {
-        m_preview->setPixmap(item.pixmap(KIconLoader::SizeEnormous));
-    }
+    QPixmap pixmap = QIcon::fromTheme(item.iconName()).pixmap(KIconLoader::SizeEnormous, KIconLoader::SizeEnormous);
+    KIconLoader::global()->drawOverlays(item.overlays(), pixmap, KIconLoader::Desktop);
+    m_preview->setPixmap(pixmap);

 }
 
 void InformationPanelContent::showPreview(const KFileItem& item,
 }
 
 void InformationPanelContent::showPreview(const KFileItem& item,


@@ -314,55 +366,73 @@ void InformationPanelContent::showPreview(const KFileItem& item,
 {
     m_outdatedPreviewTimer->stop();
 
 {
     m_outdatedPreviewTimer->stop();
 

-    Q_UNUSED(item);
-    if (m_pendingPreview) {
-        m_preview->setPixmap(pixmap);
-        m_pendingPreview = false;
+    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);

 }
 
 void InformationPanelContent::markOutdatedPreview()
 {
 }
 
 void InformationPanelContent::markOutdatedPreview()
 {

-    KIconEffect iconEffect;
-    QPixmap disabledPixmap = iconEffect.apply(m_preview->pixmap(),
-                                              KIconLoader::Desktop,
-                                              KIconLoader::DisabledState);
+    KIconEffect *iconEffect = KIconLoader::global()->iconEffect();
+    QPixmap disabledPixmap = iconEffect->apply(m_preview->pixmap(),
+                                               KIconLoader::Desktop,
+                                               KIconLoader::DisabledState);

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

-void InformationPanelContent::slotPlayingStarted()
+KFileItemList InformationPanelContent::items()

 {
 {

-    m_preview->setVisible(m_phononWidget->mode() != PhononWidget::Video);
+    return m_metaDataWidget->items();

 }
 
 }
 

-void InformationPanelContent::slotPlayingStopped()
+void InformationPanelContent::slotHasVideoChanged(bool hasVideo)

 {
 {

-    m_preview->setVisible(true);
-}
-
-void InformationPanelContent::refreshMetaData()
-{
-    if (!m_item.isNull() && m_item.nepomukUri().isValid()) {
-        showItem(m_item);
+    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();

     }
 }
 
     }
 }
 

-bool InformationPanelContent::applyPlace(const KUrl& url)
-{
-    KFilePlacesModel* placesModel = DolphinSettings::instance().placesModel();
-    int count = placesModel->rowCount();
-
-    for (int i = 0; i < count; ++i) {
-        QModelIndex index = placesModel->index(i, 0);
-
-        if (url.equals(placesModel->url(index), KUrl::CompareWithoutTrailingSlash)) {
-            setNameLabelText(placesModel->text(index));
-            m_preview->setPixmap(placesModel->icon(index).pixmap(128, 128));
-            return true;
-        }
-    }
-
-    return false;
+void InformationPanelContent::setPreviewAutoPlay(bool autoPlay) {
+    m_phononWidget->setAutoPlay(autoPlay);

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


@@ -384,7 +454,7 @@ void InformationPanelContent::setNameLabelText(const QString& text)
     QTextLine line = textLayout.createLine();
     while (line.isValid()) {
         line.setLineWidth(m_nameLabel->width());
     QTextLine line = textLayout.createLine();
     while (line.isValid()) {
         line.setLineWidth(m_nameLabel->width());

-        wrappedText += processedText.mid(line.textStart(), line.textLength());
+        wrappedText += processedText.midRef(line.textStart(), line.textLength());

 
         line = textLayout.createLine();
         if (line.isValid()) {
 
         line = textLayout.createLine();
         if (line.isValid()) {


@@ -403,22 +473,19 @@ void InformationPanelContent::adjustWidgetSizes(int width)
     // so that the width of the information panel gets increased.
     // To prevent this, the maximum width is adjusted to
     // the current width of the panel.
     // so that the width of the information panel gets increased.
     // To prevent this, the maximum width is adjusted to
     // the current width of the panel.

-    const int maxWidth = width - KDialog::spacingHint() * 4;
+    const int maxWidth = width - style()->layoutSpacing(QSizePolicy::DefaultType, QSizePolicy::DefaultType, Qt::Horizontal) * 4;

     m_nameLabel->setMaximumWidth(maxWidth);
 
     // The metadata widget also contains a text widget which may return
     // a large preferred width.
     m_nameLabel->setMaximumWidth(maxWidth);
 
     // The metadata widget also contains a text widget which may return
     // a large preferred width.

-    if (m_metaDataWidget != 0) {
-        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));
 

-    if (m_phononWidget->isVisible() && (m_phononWidget->mode() == PhononWidget::Video)) {
+    if (m_phononWidget->isVisible()) {

         // assure that the size of the video player is the same as the preview size
         m_phononWidget->setVideoSize(QSize(maxWidth, maxWidth));
     }
 }
 
         // assure that the size of the video player is the same as the preview size
         m_phononWidget->setVideoSize(QSize(maxWidth, maxWidth));
     }
 }
 

-#include "informationpanelcontent.moc"