]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/panels/information/informationpanelcontent.cpp
Port Dolphin to Baloo
[dolphin.git] / src / panels / information / informationpanelcontent.cpp
index b18e6b26e53a1f1eb25cc4b829c89dba7557f0e0..b2dd1582ef834f8e57649355924f5273ceba90f5 100644 (file)
@@ -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  *
 
 #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 <KDialog>
+#include <KFileItem>
+#include <KGlobalSettings>
+#include <KIO/JobUiDelegate>
+#include <KIO/PreviewJob>
+#include <KIconEffect>
+#include <KIconLoader>
+#include <KLocale>
+#include <KMenu>
 #include <kseparator.h>
-#include <kstringhandler.h>
+#include <KStringHandler>
+
+#ifndef HAVE_BALOO
+#include <KFileMetaDataWidget>
+#else
+#include <baloo/filemetadatawidget.h>
+#endif
+
+#include <panels/places/placesitem.h>
+#include <panels/places/placesitemmodel.h>
 
 #include <Phonon/BackendCapabilities>
 #include <Phonon/MediaObject>
 #include <QVBoxLayout>
 
 #include "dolphin_informationpanelsettings.h"
-#include "settings/dolphinsettings.h"
-#include "settings/filemetadataconfigurationdialog.h"
+#include "filemetadataconfigurationdialog.h"
 #include "phononwidget.h"
 #include "pixmapviewer.h"
 
 InformationPanelContent::InformationPanelContent(QWidget* parent) :
-    Panel(parent),
+    QWidget(parent),
     m_item(),
-    m_pendingPreview(false),
+    m_previewJob(0),
     m_outdatedPreviewTimer(0),
     m_preview(0),
     m_phononWidget(0),
     m_nameLabel(0),
     m_metaDataWidget(0),
-    m_metaDataArea(0)
+    m_metaDataArea(0),
+    m_placesItemModel(0)
 {
     parent->installEventFilter(this);
 
@@ -87,24 +95,28 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) :
     m_preview->setMinimumHeight(KIconLoader::SizeEnormous);
 
     m_phononWidget = new PhononWidget(parent);
+    m_phononWidget->hide();
     m_phononWidget->setMinimumWidth(minPreviewWidth);
-    connect(m_phononWidget, SIGNAL(playingStarted()),
-            this, SLOT(slotPlayingStarted()));
-    connect(m_phononWidget, SIGNAL(playingStopped()),
-            this, SLOT(slotPlayingStopped()));
+    connect(m_phononWidget, SIGNAL(hasVideoChanged(bool)),
+            this, SLOT(slotHasVideoChanged(bool)));
 
     // 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->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
 
-    const bool showPreview = InformationPanelSettings::showPreview();
-    m_preview->setVisible(showPreview);
+    const bool previewsShown = InformationPanelSettings::previewsShown();
+    m_preview->setVisible(previewsShown);
 
+#ifndef HAVE_BALOO
     m_metaDataWidget = new KFileMetaDataWidget(parent);
+#else
+    m_metaDataWidget = new Baloo::FileMetaDataWidget(parent);
+#endif
     m_metaDataWidget->setFont(KGlobalSettings::smallestReadableFont());
     m_metaDataWidget->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Minimum);
     connect(m_metaDataWidget, SIGNAL(urlActivated(KUrl)), this, SIGNAL(urlActivated(KUrl)));
@@ -136,6 +148,8 @@ InformationPanelContent::InformationPanelContent(QWidget* parent) :
     layout->addWidget(m_nameLabel);
     layout->addWidget(new KSeparator());
     layout->addWidget(m_metaDataArea);
+
+    m_placesItemModel = new PlacesItemModel(this);
 }
 
 InformationPanelContent::~InformationPanelContent()
@@ -145,14 +159,18 @@ InformationPanelContent::~InformationPanelContent()
 
 void InformationPanelContent::showItem(const KFileItem& item)
 {
-    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();
+    }
 
     const KUrl itemUrl = item.url();
-    const bool isNepomukSearchUrl = itemUrl.protocol().startsWith("nepomuk") && item.nepomukUri().isEmpty();
+    const bool isSearchUrl = itemUrl.protocol().contains("search") && item.localPath().isEmpty();
     if (!applyPlace(itemUrl)) {
         setNameLabelText(item.text());
-        if (isNepomukSearchUrl) {
-            // in the case of a Nepomuk query-URL the URL is not readable for humans
+        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)
             KIconLoader iconLoader;
             QPixmap icon = iconLoader.loadIcon("nepomuk",
@@ -161,7 +179,6 @@ void InformationPanelContent::showItem(const KFileItem& item)
             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
@@ -172,39 +189,32 @@ void InformationPanelContent::showItem(const KFileItem& item)
                 m_outdatedPreviewTimer->start();
             }
 
-            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_previewJob = new KIO::PreviewJob(KFileItemList() << item, QSize(m_preview->width(), m_preview->height()));
+            m_previewJob->setScaleType(KIO::PreviewJob::Unscaled);
+            m_previewJob->setIgnoreMaximumSize(item.isLocalFile());
+            if (m_previewJob->ui()) {
+                m_previewJob->ui()->setWindow(this);
+            }
+
+            connect(m_previewJob, SIGNAL(gotPreview(KFileItem,QPixmap)),
+                    this, SLOT(showPreview(KFileItem,QPixmap)));
+            connect(m_previewJob, SIGNAL(failed(KFileItem)),
+                    this, SLOT(showIcon(KFileItem)));
         }
     }
 
-    if (m_metaDataWidget != 0) {
+    if (m_metaDataWidget) {
         m_metaDataWidget->show();
         m_metaDataWidget->setItems(KFileItemList() << item);
     }
 
-    if (InformationPanelSettings::showPreview()) {
+    if (InformationPanelSettings::previewsShown()) {
         const QString mimeType = item.mimetype();
-        const bool usePhonon = Phonon::BackendCapabilities::isMimeTypeAvailable(mimeType) &&
-                               (mimeType != "image/png");  // TODO: workaround, as Phonon
-                                                           // thinks it supports PNG images
+        const bool usePhonon = mimeType.startsWith("audio/") || mimeType.startsWith("video/");
         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->setUrl(item.targetUrl());
+            if (m_preview->isVisible()) {
                 m_phononWidget->setVideoSize(m_preview->size());
             }
         } else {
@@ -220,16 +230,20 @@ void InformationPanelContent::showItem(const KFileItem& item)
 
 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()));
+    setNameLabelText(i18ncp("@label", "%1 item selected", "%1 items selected", items.count()));
 
-    if (m_metaDataWidget != 0) {
+    if (m_metaDataWidget) {
         m_metaDataWidget->setItems(items);
     }
 
@@ -261,36 +275,41 @@ bool InformationPanelContent::eventFilter(QObject* obj, QEvent* event)
         break;
     }
 
-    return Panel::eventFilter(obj, event);
+    return QWidget::eventFilter(obj, event);
 }
 
-void InformationPanelContent::configureSettings()
+void InformationPanelContent::configureSettings(const QList<QAction*>& customContextMenuActions)
 {
     KMenu popup(this);
 
     QAction* previewAction = popup.addAction(i18nc("@action:inmenu", "Preview"));
     previewAction->setIcon(KIcon("view-preview"));
     previewAction->setCheckable(true);
-    previewAction->setChecked(InformationPanelSettings::showPreview());
+    previewAction->setChecked(InformationPanelSettings::previewsShown());
 
     QAction* configureAction = popup.addAction(i18nc("@action:inmenu", "Configure..."));
     configureAction->setIcon(KIcon("configure"));
 
+    popup.addSeparator();
+    foreach (QAction* action, customContextMenuActions) {
+        popup.addAction(action);
+    }
+
     // Open the popup and adjust the settings for the
     // selected action.
     QAction* action = popup.exec(QCursor::pos());
-    if (action == 0) {
+    if (!action) {
         return;
     }
 
     const bool isChecked = action->isChecked();
     if (action == previewAction) {
         m_preview->setVisible(isChecked);
-        InformationPanelSettings::setShowPreview(isChecked);
+        InformationPanelSettings::setPreviewsShown(isChecked);
     } else if (action == configureAction) {
         FileMetaDataConfigurationDialog* dialog = new FileMetaDataConfigurationDialog();
         dialog->setDescription(i18nc("@label::textbox",
-                                     "Select which data should be shown in the information panel."));
+                                     "Select which data should be shown in the information panel:"));
         dialog->setItems(m_metaDataWidget->items());
         dialog->setAttribute(Qt::WA_DeleteOnClose);
         dialog->show();
@@ -303,9 +322,9 @@ void InformationPanelContent::configureSettings()
 void InformationPanelContent::showIcon(const KFileItem& item)
 {
     m_outdatedPreviewTimer->stop();
-    m_pendingPreview = false;
-    if (!applyPlace(item.url())) {
-        m_preview->setPixmap(item.pixmap(KIconLoader::SizeEnormous));
+    if (!applyPlace(item.targetUrl())) {
+        KIcon icon(item.iconName(), KIconLoader::global(), item.overlays());
+        m_preview->setPixmap(icon.pixmap(KIconLoader::SizeEnormous));
     }
 }
 
@@ -313,51 +332,42 @@ void InformationPanelContent::showPreview(const KFileItem& item,
                                           const QPixmap& pixmap)
 {
     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);
+    m_preview->setPixmap(p);
 }
 
 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);
 }
 
-void InformationPanelContent::slotPlayingStarted()
+void InformationPanelContent::slotHasVideoChanged(bool hasVideo)
 {
-    m_preview->setVisible(m_phononWidget->mode() != PhononWidget::Video);
-}
-
-void InformationPanelContent::slotPlayingStopped()
-{
-    m_preview->setVisible(true);
+    m_preview->setVisible(!hasVideo);
 }
 
 void InformationPanelContent::refreshMetaData()
 {
-    if (!m_item.isNull() && m_item.nepomukUri().isValid()) {
+    if (!m_item.isNull()) {
         showItem(m_item);
     }
 }
 
 bool InformationPanelContent::applyPlace(const KUrl& url)
 {
-    KFilePlacesModel* placesModel = DolphinSettings::instance().placesModel();
-    int count = placesModel->rowCount();
-
+    const int count = m_placesItemModel->count();
     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));
+        const PlacesItem* item = m_placesItemModel->placesItem(i);
+        if (item->url().equals(url, KUrl::CompareWithoutTrailingSlash)) {
+            setNameLabelText(item->text());
+            m_preview->setPixmap(KIcon(item->icon()).pixmap(128, 128));
             return true;
         }
     }
@@ -408,14 +418,14 @@ void InformationPanelContent::adjustWidgetSizes(int width)
 
     // The metadata widget also contains a text widget which may return
     // a large preferred width.
-    if (m_metaDataWidget != 0) {
+    if (m_metaDataWidget) {
         m_metaDataWidget->setMaximumWidth(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));
     }