From 8e9973a09d9258802f9bd0142e1c4c877dfd9688 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20A=C3=9Fmus?= <superstippi@gmx.de>
Date: Thu, 22 Apr 2010 15:28:39 +0000
Subject: [PATCH] Added easy method to retrieve the playback position (of the
 seek slider [0..1]).

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36417 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/apps/mediaplayer/TransportControlGroup.cpp |  7 +++++++
 src/apps/mediaplayer/TransportControlGroup.h   |  1 +
 src/apps/mediaplayer/interface/SeekSlider.cpp  | 10 ++++++++++
 src/apps/mediaplayer/interface/SeekSlider.h    |  1 +
 4 files changed, 19 insertions(+)

diff --git a/src/apps/mediaplayer/TransportControlGroup.cpp b/src/apps/mediaplayer/TransportControlGroup.cpp
index 8f78af22a2..da55b27c5f 100644
--- a/src/apps/mediaplayer/TransportControlGroup.cpp
+++ b/src/apps/mediaplayer/TransportControlGroup.cpp
@@ -464,6 +464,13 @@ TransportControlGroup::SetPosition(float value, bigtime_t position,
 }
 
 
+float
+TransportControlGroup::Position() const
+{
+	return fSeekSlider->Position();
+}
+
+
 void
 TransportControlGroup::SetDisabledString(const char* string)
 {
diff --git a/src/apps/mediaplayer/TransportControlGroup.h b/src/apps/mediaplayer/TransportControlGroup.h
index 11cefb17ea..6b19f7878a 100644
--- a/src/apps/mediaplayer/TransportControlGroup.h
+++ b/src/apps/mediaplayer/TransportControlGroup.h
@@ -68,6 +68,7 @@ public:
 			void				SetVolume(float value);
 			void				SetPosition(float value, bigtime_t position,
 									bigtime_t duration);
+			float				Position() const;
 
 			PeakView*			GetPeakView() const
 									{ return fPeakView; }
diff --git a/src/apps/mediaplayer/interface/SeekSlider.cpp b/src/apps/mediaplayer/interface/SeekSlider.cpp
index b0e5fa58f6..e75ac4b719 100644
--- a/src/apps/mediaplayer/interface/SeekSlider.cpp
+++ b/src/apps/mediaplayer/interface/SeekSlider.cpp
@@ -299,6 +299,16 @@ SeekSlider::SetPosition(float position)
 }
 
 
+float
+SeekSlider::Position() const
+{
+	int32 range = fMaxValue - fMinValue;
+	if (range == 0)
+		return 0;
+	return (float)(Value() - fMinValue) / range;
+}
+
+
 bool
 SeekSlider::IsTracking() const
 {
diff --git a/src/apps/mediaplayer/interface/SeekSlider.h b/src/apps/mediaplayer/interface/SeekSlider.h
index 2ac5af6a81..d8bad394e2 100644
--- a/src/apps/mediaplayer/interface/SeekSlider.h
+++ b/src/apps/mediaplayer/interface/SeekSlider.h
@@ -32,6 +32,7 @@ public:
 
 	// SeekSlider
 			void				SetPosition(float position);
+			float				Position() const;
 			bool				IsTracking() const;
 			void				SetDisabledString(const char* string);