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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.mozilla.gecko.media;

import static android.os.Build.VERSION_CODES.M;

import android.annotation.TargetApi;
import android.media.MediaDrm;
import android.util.Log;
import java.util.List;

@TargetApi(M)
public class GeckoMediaDrmBridgeV23 extends GeckoMediaDrmBridgeV21 {
  private static final boolean DEBUG = false;

  GeckoMediaDrmBridgeV23(final String keySystem) throws Exception {
    super(keySystem);
    if (DEBUG) Log.d(LOGTAG, "GeckoMediaDrmBridgeV23 ctor");
    mDrm.setOnKeyStatusChangeListener(new KeyStatusChangeListener(), null);
  }

  private class KeyStatusChangeListener implements MediaDrm.OnKeyStatusChangeListener {
    @Override
    public void onKeyStatusChange(
        final MediaDrm mediaDrm,
        final byte[] sessionId,
        final List<MediaDrm.KeyStatus> keyInformation,
        final boolean hasNewUsableKey) {
      if (DEBUG) Log.d(LOGTAG, "[onKeyStatusChange] hasNewUsableKey = " + hasNewUsableKey);
      if (keyInformation.size() == 0) {
        return;
      }
      final SessionKeyInfo[] keyInfos = new SessionKeyInfo[keyInformation.size()];
      for (int i = 0; i < keyInformation.size(); i++) {
        final MediaDrm.KeyStatus keyStatus = keyInformation.get(i);
        keyInfos[i] = new SessionKeyInfo(keyStatus.getKeyId(), keyStatus.getStatusCode());
      }
      onSessionBatchedKeyChanged(sessionId, keyInfos);
      if (DEBUG) Log.d(LOGTAG, "Key successfully added for session " + new String(sessionId));
    }
  }

  @Override
  protected void HandleKeyStatusChangeByDummyKey(final String sessionId) {
    // MediaDrm.KeyStatus information listener is supported on M+, there is no need to use
    // dummy key id to report key status anymore.
  }
}