Re-add KDE5/Dolphin autoplay patch

dolphin/dolphin-media-autoplay-new-version.patch

@@ -0,0 +1,122 @@
+--- a/src/settings/dolphin_generalsettings.kcfg
++++ b/src/settings/dolphin_generalsettings.kcfg
+@@ -81,6 +81,10 @@
+             <label>Use auto-expanding folders for all view types</label>
+             <default>false</default>
+         </entry>
++        <entry name="AutoPlayMediaFiles" type="Bool">
++            <label>Play media files automatically while hovering a cursor</label>
++            <default>false</default>
++        </entry>
+         <entry name="ShowZoomSlider" type="Bool">
+             <label>Show zoom slider in the statusbar</label>
+             <default>true</default>
+
+--- a/src/settings/navigation/navigationsettingspage.cpp
++++ b/src/settings/navigation/navigationsettingspage.cpp
+@@ -29,7 +29,8 @@
+ NavigationSettingsPage::NavigationSettingsPage(QWidget* parent) :
+     SettingsPageBase(parent),
+     m_openArchivesAsFolder(0),
+-    m_autoExpandFolders(0)
++    m_autoExpandFolders(0),
++    m_autoPlayMediaFiles(0)
+ {
+     QVBoxLayout* topLayout = new QVBoxLayout(this);
+     QWidget* vBox = new QWidget(this);
+@@ -43,12 +44,16 @@
+     m_autoExpandFolders = new QCheckBox(i18nc("option:check", "Open folders during drag operations"), vBox);
+     vBoxLayout->addWidget(m_autoExpandFolders);
+ 
++    m_autoPlayMediaFiles = new QCheckBox(i18nc("@option:check", "Play media files automatically"), vBox);
++    vBoxLayout->addWidget(m_autoPlayMediaFiles);
++
+     topLayout->addWidget(vBox);
+ 
+     loadSettings();
+ 
+     connect(m_openArchivesAsFolder, &QCheckBox::toggled, this, &NavigationSettingsPage::changed);
+     connect(m_autoExpandFolders, &QCheckBox::toggled, this, &NavigationSettingsPage::changed);
++    connect(m_autoPlayMediaFiles, &QCheckBox::toggled, this, &NavigationSettingsPage::changed);
+ }
+ 
+ NavigationSettingsPage::~NavigationSettingsPage()
+@@ -60,6 +65,7 @@
+     GeneralSettings* settings = GeneralSettings::self();
+     settings->setBrowseThroughArchives(m_openArchivesAsFolder->isChecked());
+     settings->setAutoExpandFolders(m_autoExpandFolders->isChecked());
++    settings->setAutoPlayMediaFiles(m_autoPlayMediaFiles->isChecked());
+ 
+     settings->save();
+ }
+@@ -76,5 +82,6 @@
+ {
+     m_openArchivesAsFolder->setChecked(GeneralSettings::browseThroughArchives());
+     m_autoExpandFolders->setChecked(GeneralSettings::autoExpandFolders());
++    m_autoPlayMediaFiles->setChecked(GeneralSettings::autoPlayMediaFiles());
+ }
+ 
+
+--- a/src/settings/navigation/navigationsettingspage.h
++++ b/src/settings/navigation/navigationsettingspage.h
+@@ -46,6 +46,7 @@
+ private:
+     QCheckBox* m_openArchivesAsFolder;
+     QCheckBox* m_autoExpandFolders;
++    QCheckBox* m_autoPlayMediaFiles;
+ };
+ 
+ #endif
+
+--- a/src/panels/information/phononwidget.cpp
++++ b/src/panels/information/phononwidget.cpp
+@@ -19,6 +19,8 @@
+ */
+ 
+ #include "phononwidget.h"
++#include "dolphin_generalsettings.h"
++#include "dolphinmainwindow.h"
+ 
+ #include <Phonon/AudioOutput>
+ #include <Phonon/Global>
+@@ -32,6 +34,7 @@
+ #include <QToolButton>
+ #include <QDialog>
+ #include <QIcon>
++#include <QTimer>
+ #include <KIconLoader>
+ #include <QUrl>
+ #include <KLocalizedString>
+@@ -79,6 +82,20 @@
+     if (m_url != url) {
+         stop(); // emits playingStopped() signal
+         m_url = url;
++        
++        //TODO: autoplay starts (related to qtimer) even if the target file has changed before the timer has run out
++        //TODO: stop/destroy the preview once user does not highlight the item/Dolphin main window or use the window
++        //TODO: the autoplay feature should only apply to audio files, exclude video files (as it works in Caja/Nautilus)
++        
++        // Enables autoplay feature if it's enabled in Navigation Settings
++        // page. Set a single shot time delay (in msec) for media preview.
++        QTimer *m_autoplaytimer = new QTimer(this);
++
++        if(GeneralSettings::autoPlayMediaFiles()) { //If the this radiobutton is checked, then
++                connect(m_autoplaytimer, SIGNAL(timeout()), this, SLOT(play()));
++                m_autoplaytimer->setSingleShot(true); // Play only once, otherwise this loops in 1 sec cycles
++                m_autoplaytimer->start(1000); // Delay to start the autoplay
++        }
+     }
+ }
+ 
+
+--- a/src/panels/information/phononwidget.h
++++ b/src/panels/information/phononwidget.h
+@@ -78,6 +78,8 @@
+     private:
+         QUrl m_url;
+         QSize m_videoSize;
++        
++        QTimer* m_autoplaytimer;
+ 
+         QToolButton *m_playButton;
+         QToolButton *m_stopButton;