Java 类com.google.android.exoplayer2.drm.DefaultDrmSessionManager.EventListener 实例源码

/**
 * Constructs an instance. Call {@link #release()} when the instance is no longer required.
 *
 * @param mediaDrm An underlying {@link ExoMediaDrm} for use by the manager.
 * @param callback Performs key and provisioning requests.
 * @param optionalKeyRequestParameters An optional map of parameters to pass as the last argument
 *     to {@link MediaDrm#getKeyRequest(byte[], byte[], String, int, HashMap)}. May be null.
 * @see DefaultDrmSessionManager#DefaultDrmSessionManager(java.util.UUID, ExoMediaDrm,
 *     MediaDrmCallback, HashMap, Handler, EventListener)
 */
public OfflineLicenseHelper(ExoMediaDrm<T> mediaDrm, MediaDrmCallback callback,
    HashMap<String, String> optionalKeyRequestParameters) {
  handlerThread = new HandlerThread("OfflineLicenseHelper");
  handlerThread.start();
  conditionVariable = new ConditionVariable();
  EventListener eventListener = new EventListener() {
    @Override
    public void onDrmKeysLoaded() {
      conditionVariable.open();
    }

    @Override
    public void onDrmSessionManagerError(Exception e) {
      conditionVariable.open();
    }

    @Override
    public void onDrmKeysRestored() {
      conditionVariable.open();
    }

    @Override
    public void onDrmKeysRemoved() {
      conditionVariable.open();
    }
  };
  drmSessionManager = new DefaultDrmSessionManager<>(C.WIDEVINE_UUID, mediaDrm, callback,
      optionalKeyRequestParameters, new Handler(handlerThread.getLooper()), eventListener);
}

/**
 * Constructs an instance. Call {@link #releaseResources()} when you're done with it.
 *
 * @param mediaDrm An underlying {@link ExoMediaDrm} for use by the manager.
 * @param callback Performs key and provisioning requests.
 * @param optionalKeyRequestParameters An optional map of parameters to pass as the last argument
 *     to {@link MediaDrm#getKeyRequest(byte[], byte[], String, int, HashMap)}. May be null.
 * @see DefaultDrmSessionManager#DefaultDrmSessionManager(java.util.UUID, ExoMediaDrm,
 *     MediaDrmCallback, HashMap, Handler, EventListener)
 */
public OfflineLicenseHelper(ExoMediaDrm<T> mediaDrm, MediaDrmCallback callback,
    HashMap<String, String> optionalKeyRequestParameters) {
  handlerThread = new HandlerThread("OfflineLicenseHelper");
  handlerThread.start();

  conditionVariable = new ConditionVariable();
  EventListener eventListener = new EventListener() {
    @Override
    public void onDrmKeysLoaded() {
      conditionVariable.open();
    }

    @Override
    public void onDrmSessionManagerError(Exception e) {
      conditionVariable.open();
    }

    @Override
    public void onDrmKeysRestored() {
      conditionVariable.open();
    }

    @Override
    public void onDrmKeysRemoved() {
      conditionVariable.open();
    }
  };
  drmSessionManager = new DefaultDrmSessionManager<>(C.WIDEVINE_UUID, mediaDrm, callback,
      optionalKeyRequestParameters, new Handler(handlerThread.getLooper()), eventListener);
}

/**
 * Constructs an instance. Call {@link #release()} when the instance is no longer required.
 *
 * @param uuid The UUID of the drm scheme.
 * @param mediaDrm An underlying {@link ExoMediaDrm} for use by the manager.
 * @param callback Performs key and provisioning requests.
 * @param optionalKeyRequestParameters An optional map of parameters to pass as the last argument
 *     to {@link MediaDrm#getKeyRequest(byte[], byte[], String, int, HashMap)}. May be null.
 * @see DefaultDrmSessionManager#DefaultDrmSessionManager(java.util.UUID, ExoMediaDrm,
 *     MediaDrmCallback, HashMap, Handler, EventListener)
 */
public OfflineLicenseHelper(UUID uuid, ExoMediaDrm<T> mediaDrm, MediaDrmCallback callback,
    HashMap<String, String> optionalKeyRequestParameters) {
  handlerThread = new HandlerThread("OfflineLicenseHelper");
  handlerThread.start();
  conditionVariable = new ConditionVariable();
  EventListener eventListener = new EventListener() {
    @Override
    public void onDrmKeysLoaded() {
      conditionVariable.open();
    }

    @Override
    public void onDrmSessionManagerError(Exception e) {
      conditionVariable.open();
    }

    @Override
    public void onDrmKeysRestored() {
      conditionVariable.open();
    }

    @Override
    public void onDrmKeysRemoved() {
      conditionVariable.open();
    }
  };
  drmSessionManager = new DefaultDrmSessionManager<>(uuid, mediaDrm, callback,
      optionalKeyRequestParameters, new Handler(handlerThread.getLooper()), eventListener);
}