From 96d9712579f49d57106ab1462e9571cfc53d222e Mon Sep 17 00:00:00 2001
From: MaZderMind <git@mazdermind.de>
Date: Sun, 15 Nov 2015 19:18:28 +0100
Subject: avoid re-reansmitting the same state again, fixes #20

---
 voctogui/lib/toolbar/composition.py | 6 ++++++
 voctogui/lib/toolbar/streamblank.py | 9 ++++++++-
 voctogui/lib/videopreviews.py       | 9 +++++++++
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/voctogui/lib/toolbar/composition.py b/voctogui/lib/toolbar/composition.py
index f473ccf..a2b1f29 100644
--- a/voctogui/lib/toolbar/composition.py
+++ b/voctogui/lib/toolbar/composition.py
@@ -20,6 +20,7 @@ class CompositionToolbarController(object):
 		]
 
 		self.composite_btns = {}
+		self.current_composition = None
 
 		for idx, name in enumerate(composites):
 			key, mod = Gtk.accelerator_parse('F%u' % (idx+1))
@@ -42,9 +43,14 @@ class CompositionToolbarController(object):
 			return
 
 		btn_name = btn.get_name()
+		if self.current_composition == btn_name:
+			self.log.info('composition-mode already active: %s', btn_name)
+			return
+
 		self.log.info('composition-mode activated: %s', btn_name)
 		Connection.send('set_composite_mode', btn_name)
 
 	def on_composite_mode(self, mode):
 		self.log.info('on_composite_mode callback w/ mode %s', mode)
+		self.current_composition = mode
 		self.composite_btns[mode].set_active(True)
diff --git a/voctogui/lib/toolbar/streamblank.py b/voctogui/lib/toolbar/streamblank.py
index 05a7018..ab71b17 100644
--- a/voctogui/lib/toolbar/streamblank.py
+++ b/voctogui/lib/toolbar/streamblank.py
@@ -29,6 +29,8 @@ class StreamblankToolbarController(object):
 		blank_sources = Config.getlist('stream-blanker', 'sources')
 		self.status_btns = {}
 
+		self.current_status = None
+
 		livebtn.connect('toggled', self.on_btn_toggled)
 		livebtn.set_name('live')
 
@@ -59,13 +61,17 @@ class StreamblankToolbarController(object):
 			return
 
 		btn_name = btn.get_name()
-		self.log.info('stream-status activated: %s', btn_name)
 		if btn_name == 'live':
 			self.warning_overlay.disable()
 
 		else:
 			self.warning_overlay.enable(btn_name)
 
+		if self.current_status == btn_name:
+			self.log.info('stream-status already activate: %s', btn_name)
+			return
+
+		self.log.info('stream-status activated: %s', btn_name)
 		if btn_name == 'live':
 			Connection.send('set_stream_live')
 		else:
@@ -74,6 +80,7 @@ class StreamblankToolbarController(object):
 	def on_stream_status(self, status, source = None):
 		self.log.info('on_stream_status callback w/ status %s and source %s', status, source)
 
+		self.current_status = source if source is not None else status
 		if status == 'live':
 			self.livebtn.set_active(True)
 		else:
diff --git a/voctogui/lib/videopreviews.py b/voctogui/lib/videopreviews.py
index 1afaa52..d80541f 100644
--- a/voctogui/lib/videopreviews.py
+++ b/voctogui/lib/videopreviews.py
@@ -20,6 +20,8 @@ class VideoPreviewsController(object):
 		self.a_btns = {}
 		self.b_btns = {}
 
+		self.current_source = {'a': None, 'b': None}
+
 		try:
 			width = Config.getint('previews', 'width')
 			self.log.debug('Preview-Width configured to %u', width)
@@ -105,6 +107,10 @@ class VideoPreviewsController(object):
 		channel, idx = btn_name.split(' ')[:2]
 		source_name = self.sources[int(idx)]
 
+		if self.current_source[channel] == source_name:
+			self.log.info('video-channel %s already on %s', channel, source_name)
+			return
+
 		self.log.info('video-channel %s changed to %s', channel, source_name)
 		Connection.send('set_video_'+channel, source_name)
 
@@ -121,5 +127,8 @@ class VideoPreviewsController(object):
 	def on_video_status(self, source_a, source_b):
 		self.log.info('on_video_status callback w/ sources: %s and %s', source_a, source_b)
 
+		self.current_source['a'] = source_a
+		self.current_source['b'] = source_b
+
 		self.a_btns[source_a].set_active(True)
 		self.b_btns[source_b].set_active(True)
-- 
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