vayu: parts: Dirac fixes

* Pause/Play music stream to get effects applied
* Rename setMusic to setEnabled

Change-Id: Ib0717b35ca04511543078df9b9b4003a848aef3b

2 files changed, 56 insertions, 3 deletions

diff --git a/parts/src/org/lineageos/settings/dirac/DiracSettingsFragment.java b/parts/src/org/lineageos/settings/dirac/DiracSettingsFragment.java
index b7efa8d..1b5b54d 100644
--- a/parts/src/org/lineageos/settings/dirac/DiracSettingsFragment.java
+++ b/parts/src/org/lineageos/settings/dirac/DiracSettingsFragment.java
@@ -94,7 +94,7 @@ public class DiracSettingsFragment extends PreferenceFragment implements
     public void onSwitchChanged(Switch switchView, boolean isChecked) {
         mSwitchBar.setChecked(isChecked);
 
-        DiracUtils.setMusic(isChecked);
+        DiracUtils.setEnabled(isChecked);
 
         if (!DiracUtils.getHifiMode()) {
             mHeadsetType.setEnabled(isChecked);
diff --git a/parts/src/org/lineageos/settings/dirac/DiracUtils.java b/parts/src/org/lineageos/settings/dirac/DiracUtils.java
index 0550011..9ee0452 100644
--- a/parts/src/org/lineageos/settings/dirac/DiracUtils.java
+++ b/parts/src/org/lineageos/settings/dirac/DiracUtils.java
@@ -17,24 +17,77 @@
 package org.lineageos.settings.dirac;
 
 import android.content.Context;
+import android.content.Intent;
+import android.os.Handler;
+import android.os.UserHandle;
+import android.os.SystemClock;
+import android.view.KeyEvent;
 import android.media.AudioManager;
-
+import android.media.session.MediaController;
+import android.media.session.MediaSessionManager;
+import android.media.session.PlaybackState;
+import java.util.List;
 
 public final class DiracUtils {
 
     protected static DiracSound mDiracSound;
     private static boolean mInitialized;
+    private static MediaSessionManager mMediaSessionManager;
+    private static Handler mHandler = new Handler();
     private static Context mContext;
 
     public static void initialize(Context context) {
         if (!mInitialized) {
             mContext = context;
+            mMediaSessionManager = (MediaSessionManager) context.getSystemService(Context.MEDIA_SESSION_SERVICE);
             mDiracSound = new DiracSound(0, 0);
             mInitialized = true;
         }
     }
 
-    protected static void setMusic(boolean enable) {
+    private static void triggerPlayPause(MediaController controller) {
+        long when = SystemClock.uptimeMillis();
+        final KeyEvent evDownPause = new KeyEvent(when, when, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PAUSE, 0);
+        final KeyEvent evUpPause = KeyEvent.changeAction(evDownPause, KeyEvent.ACTION_UP);
+        final KeyEvent evDownPlay = new KeyEvent(when, when, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_MEDIA_PLAY, 0);
+        final KeyEvent evUpPlay = KeyEvent.changeAction(evDownPlay, KeyEvent.ACTION_UP);
+        mHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                controller.dispatchMediaButtonEvent(evDownPause);
+            }
+        });
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                controller.dispatchMediaButtonEvent(evUpPause);
+            }
+        }, 20);
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                controller.dispatchMediaButtonEvent(evDownPlay);
+            }
+        }, 1000);
+        mHandler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                controller.dispatchMediaButtonEvent(evUpPlay);
+            }
+        }, 1020);
+    }
+
+    private static int getMediaControllerPlaybackState(MediaController controller) {
+        if (controller != null) {
+            final PlaybackState playbackState = controller.getPlaybackState();
+            if (playbackState != null) {
+                return playbackState.getState();
+            }
+        }
+        return PlaybackState.STATE_NONE;
+    }
+    protected static void setEnabled(boolean enable) {
+        mDiracSound.setEnabled(enable);
         mDiracSound.setMusic(enable ? 1 : 0);
     }