LibMedia: Give PlaybackManager a playback state getter

Libraries/LibMedia/PlaybackManager.cpp

@@ -228,6 +228,11 @@ bool PlaybackManager::is_playing()
     return m_handler->is_playing();
 }
 
+PlaybackState PlaybackManager::state()
+{
+    return m_handler->state();
+}
+
 void PlaybackManager::set_volume(double volume)
 {
     if (m_audio_sink)

Libraries/LibMedia/PlaybackManager.h

@@ -17,6 +17,7 @@
 #include <LibMedia/Export.h>
 #include <LibMedia/Forward.h>
 #include <LibMedia/PlaybackStates/Forward.h>
+#include <LibMedia/PlaybackStates/PlaybackState.h>
 #include <LibMedia/Providers/MediaTimeProvider.h>
 #include <LibMedia/Track.h>
 #include <LibThreading/Mutex.h>
@@ -71,6 +72,7 @@ public:
     void pause();
 
     bool is_playing();
+    PlaybackState state();
 
     void set_volume(double);
 

Libraries/LibMedia/PlaybackStates/PausedStateHandler.h

@@ -37,6 +37,10 @@ public:
     {
         return false;
     }
+    virtual PlaybackState state() override
+    {
+        return PlaybackState::Paused;
+    }
 };
 
 }

Libraries/LibMedia/PlaybackStates/PlaybackState.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2025, Gregory Bertilson <gregory@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Types.h>
+
+namespace Media {
+
+enum class PlaybackState : u8 {
+    Playing,
+    Paused,
+};
+
+}

Libraries/LibMedia/PlaybackStates/PlaybackStateHandler.h

@@ -7,6 +7,7 @@
 #pragma once
 
 #include <LibMedia/Forward.h>
+#include <LibMedia/PlaybackStates/PlaybackState.h>
 
 namespace Media {
 
@@ -25,6 +26,7 @@ public:
     virtual void pause() = 0;
 
     virtual bool is_playing() = 0;
+    virtual PlaybackState state() = 0;
 
 protected:
     PlaybackManager& manager() const { return m_manager; }

Libraries/LibMedia/PlaybackStates/PlayingStateHandler.h

@@ -39,6 +39,10 @@ public:
     {
         return true;
     }
+    virtual PlaybackState state() override
+    {
+        return PlaybackState::Playing;
+    }
 };
 
 }