Merge "[Media ML] Copy over Debug#getCallers(int)" (7a5be553) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/media/MediaSessionStack.java

+21 −2

Original line number	Diff line number	Diff line
		@@ -20,7 +20,6 @@ import static com.android.server.media.SessionPolicyProvider.SESSION_POLICY_IGNO

		import android.media.Session2Token;
		import android.media.session.MediaSession;
		import android.os.Debug;
		import android.os.UserHandle;
		import android.util.Log;
		import android.util.SparseArray;
		@@ -187,7 +186,7 @@ class MediaSessionStack {
		*/
		public void updateMediaButtonSessionIfNeeded() {
		if (DEBUG) {
		Log.d(TAG, "updateMediaButtonSessionIfNeeded, callers=" + Debug.getCallers(2));
		Log.d(TAG, "updateMediaButtonSessionIfNeeded, callers=" + getCallers(2));
		}
		List<Integer> audioPlaybackUids =
		mAudioPlayerStateMonitor.getSortedAudioPlaybackClientUids();
		@@ -413,4 +412,24 @@ class MediaSessionStack {
		// so they also need to be cleared.
		mCachedActiveLists.remove(UserHandle.USER_ALL);
		}

		// Code copied from android.os.Debug#getCallers(int)
		private static String getCallers(final int depth) {
		final StackTraceElement[] callStack = Thread.currentThread().getStackTrace();
		StringBuffer sb = new StringBuffer();
		for (int i = 0; i < depth; i++) {
		sb.append(getCaller(callStack, i)).append(" ");
		}
		return sb.toString();
		}

		// Code copied from android.os.Debug#getCaller(StackTraceElement[], int)
		private static String getCaller(StackTraceElement[] callStack, int depth) {
		// callStack[4] is the caller of the method that called getCallers()
		if (4 + depth >= callStack.length) {
		return "<bottom of call stack>";
		}
		StackTraceElement caller = callStack[4 + depth];
		return caller.getClassName() + "." + caller.getMethodName() + ":" + caller.getLineNumber();
		}
		}