save playlist on leaving the media player

3 files changed, 54 insertions, 2 deletions

diff --git a/lib/python/Components/Makefile.am b/lib/python/Components/Makefile.am
index af8d1b9c..560b1ffe 100644
--- a/lib/python/Components/Makefile.am
+++ b/lib/python/Components/Makefile.am
@@ -16,5 +16,5 @@ install_PYTHON = \
 	PluginList.py PluginComponent.py RecordingConfig.py About.py UsageConfig.py \
 	FIFOList.py ServiceEventTracker.py Input.py TimerSanityCheck.py FileList.py \
 	MultiContent.py MediaPlayer.py TunerInfo.py VideoWindow.py ChoiceList.py \
-	Element.py
+	Element.py Playlist.py
 
diff --git a/lib/python/Components/Playlist.py b/lib/python/Components/Playlist.py
new file mode 100644
index 00000000..704b2f84
--- /dev/null
+++ b/lib/python/Components/Playlist.py
@@ -0,0 +1,52 @@
+from ServiceReference import ServiceReference
+
+class PlaylistIO:	
+	def __init__(self):
+		self.list = []
+	
+	# returns a list of services or None if filename is not a valid playlist
+	def open(self, filename):
+		return None
+	
+	OK = 0
+	FILEEXISTS = 1
+	WRITEERROR = 2
+	ERROR = 3
+	UNSUPPORTED_FILES_IN_PLAYLIST = 4
+	
+	def save(self, filename = None):
+		return self.ERROR
+		
+	def clear(self):
+		del self.list[:]
+		
+	def addService(self, service):
+		self.list.append(service)
+		
+		
+class PlaylistIOInternal(PlaylistIO):
+	def __init__(self):
+		PlaylistIO.__init__(self)
+	
+	def open(self, filename):
+		self.clear()
+		try:
+			file = open(filename, "r")
+		except IOError:
+			return None
+		while True:
+			entry = file.readline().strip()
+			if entry == "":
+				break
+			self.addService(ServiceReference(entry))
+		file.close()
+		return self.list
+		
+	def save(self, filename = None):
+		print "Writing playlist into file", filename
+		file = open(filename, "w")
+		for x in self.list:
+			file.write(str(x) + "\n")
+		file.close()
+		
+		return self.OK
\ No newline at end of file
diff --git a/lib/python/Components/__init__.py b/lib/python/Components/__init__.py
index 5dd11a82..c303c5a5 100644
--- a/lib/python/Components/__init__.py
+++ b/lib/python/Components/__init__.py
@@ -7,4 +7,4 @@ __all__ = ["ActionMap", "Button", "Clock", "ConfigList", "EventInfo",
 	"InputDevice",	"ServicePosition", "IPAddress", "VariableIP", "IPGateway",
 	"IPNameserver", "Network", "RFmon", "DiskInfo", "NimManager", "TimerEntry",
 	"Lcd", "EpgList" "ScrollLabel", "Timezones", "HelpMenuList", "TimerSanityCheck",
-	"FileList", "MultiContent", "TunerInfo", "ChoiceList" ]
+	"FileList", "MultiContent", "TunerInfo", "ChoiceList", "Playlist" ]