kaffeine codecs autoinstallation patch

[Sergey Rudchenko]

diff -ur 
base-kaffeine/kaffeine/src/player-parts/kaffeine-part/kaffeinepart.cpp 
kaffeine-0.8.5/kaffeine/src/player-parts/kaffeine-part/kaffeinepart.cpp
--- 
base-kaffeine/kaffeine/src/player-parts/kaffeine-part/kaffeinepart.cpp   
 2007-07-28 19:45:37.000000000 +0300
+++ 
kaffeine-0.8.5/kaffeine/src/player-parts/kaffeine-part/kaffeinepart.cpp   
 2007-11-08 12:45:44.000000000 +0200
@@ -19,6 +19,12 @@
  */
 
 #include "kaffeinepart.h"
+#include <kapplication.h>
+#include <kservice.h>
+#include <ktrader.h>
+#include <kmessagebox.h>
+#include <krun.h>
+#include <klocale.h>
 
 #include "kaffeinepart.moc"
 
@@ -30,3 +36,34 @@
 KaffeinePart::~KaffeinePart()
 {
 }
+
+bool KaffeinePart::installDistroCodec(QWidget* parent, const QString& 
engine, const QString& codec)
+{
+    QString query = QString("[X-KDE-Kaffeine-codec] == '%1' and 
[X-KDE-Kaffeine-engine] == '%2'").arg(codec).arg(engine);
+
+    KService::Ptr service = KTrader::self()->query( 
"Kaffeine/CodecInstall", query).first();
+
+
+    if (service)
+    {
+       QString installScript = service->exec();
+
+       if (!installScript.isNull()) //just a sanity check
+       {
+           KGuiItem installButton("Install Codecs");
+
+           if (KMessageBox::questionYesNo(parent,
+                                          i18n("Kaffeine currently 
cannot play opened files."),
+                                          i18n( "No codec Support" ),
+                                          installButton,
+                                          KStdGuiItem::no(),
+                                          "codecInstallWarning" ) == 
KMessageBox::Yes )
+           {
+               KRun::runCommand(installScript);
+               return true;
+           }
+       }
+    }
+
+    return false;
+}
diff -ur 
base-kaffeine/kaffeine/src/player-parts/kaffeine-part/kaffeinepart.h 
kaffeine-0.8.5/kaffeine/src/player-parts/kaffeine-part/kaffeinepart.h
--- 
base-kaffeine/kaffeine/src/player-parts/kaffeine-part/kaffeinepart.h   
 2007-07-28 19:45:37.000000000 +0300
+++ 
kaffeine-0.8.5/kaffeine/src/player-parts/kaffeine-part/kaffeinepart.h   
 2007-11-08 12:47:14.000000000 +0200
@@ -199,6 +199,11 @@
     virtual void slotMute()
     {}
 
+        /*
+         * Execute distro-dependent actions to install codecs
+         */
+        static bool installDistroCodec(QWidget* parent, const QString& 
engine, const QString& codec);
+
 private:
     /*
      * Don't reimplement this, a player should be able to stream media
diff -ur 
base-kaffeine/kaffeine/src/player-parts/xine-part/kxinewidget.cpp 
kaffeine-0.8.5/kaffeine/src/player-parts/xine-part/kxinewidget.cpp
--- base-kaffeine/kaffeine/src/player-parts/xine-part/kxinewidget.cpp   
 2007-11-08 11:48:23.000000000 +0200
+++ kaffeine-0.8.5/kaffeine/src/player-parts/xine-part/kxinewidget.cpp   
 2007-11-07 22:54:17.000000000 +0200
@@ -37,6 +37,7 @@
 #include <cmath>
 
 #include "kxinewidget.h"
+#include "kaffeinepart.h"
 
 #ifdef HAVE_XINERAMA
 #include <X11/extensions/Xinerama.h>
@@ -762,6 +763,12 @@
             parentWidget()->resize(m_newParentSize);
             break;
         }
+        case XINE_MSG_ENCRYPTED_SOURCE:
+        {
+            if (KaffeinePart::installDistroCodec(this, "xine-engine", 
"ffmpeg"))
+                return;
+
+        }
         default: break;
     }
 }
@@ -1918,6 +1925,14 @@
         return;
     }
 
+    if (!xine_get_stream_info(m_xineStream, 
XINE_STREAM_INFO_AUDIO_HANDLED) ||
+        !xine_get_stream_info(m_xineStream, 
XINE_STREAM_INFO_VIDEO_HANDLED))
+    {
+       errorOut("No codecs to handle media");
+       sendXineError();
+       return;
+    }
+
     /**** use visualization ? ****/
 #ifndef USE_QT_ONLY
     unwireAudioFilters();
@@ -2136,6 +2151,9 @@
         case XINE_ERROR_NO_INPUT_PLUGIN:
         case XINE_ERROR_NO_DEMUX_PLUGIN:
         {
+            if (m_trackURL.startsWith("dvd:/") && 
KaffeinePart::installDistroCodec(this, "xine-engine", "ffmpeg"))
+                return;
+
             error = i18n("No plugin found to handle this resource") + " 
" + addInfo;
             break;
         }
@@ -2156,6 +2174,13 @@
         }
         default:
         {
+                if (!xine_get_stream_info(m_xineStream, 
XINE_STREAM_INFO_AUDIO_HANDLED) ||
+                !xine_get_stream_info(m_xineStream, 
XINE_STREAM_INFO_VIDEO_HANDLED))
+            {
+                if (KaffeinePart::installDistroCodec(this, 
"xine-engine", "ffmpeg"))
+                    return;
+            }
+
             error = i18n("Generic error") + " (" + m_trackURL + ")";
             break;
         }