rx-player/src/compat/eme/custom_media_keys/ms_media_keys_constructor.ts

Canal+ HTML5 Video Player

/**
 * Copyright 2015 CANAL+ Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import globalScope from "../../../utils/global_scope";

export interface MSMediaKeyError {
  readonly code: number;
  readonly systemCode: number;
  readonly MS_MEDIA_KEYERR_CLIENT: number;
  readonly MS_MEDIA_KEYERR_DOMAIN: number;
  readonly MS_MEDIA_KEYERR_HARDWARECHANGE: number;
  readonly MS_MEDIA_KEYERR_OUTPUT: number;
  readonly MS_MEDIA_KEYERR_SERVICE: number;
  readonly MS_MEDIA_KEYERR_UNKNOWN: number;
}

export interface MSMediaKeySession extends EventTarget {
  readonly error: MSMediaKeyError | null;
  readonly keySystem: string;
  readonly sessionId: string;
  close(): void;
  update(key: BufferSource): void;
}

export interface MSMediaKeys {
  readonly keySystem: string;
  createSession(
    type: string,
    initData: Uint8Array,
    cdmData?: Uint8Array | null,
  ): MSMediaKeySession;
}

interface IMSMediaKeysConstructor {
  new (keySystem: string): MSMediaKeys;
  isTypeSupported(keySystem: string, type?: string | null): boolean;
  isTypeSupportedWithFeatures(keySystem: string, type?: string | null): string;
}

let MSMediaKeysConstructor: IMSMediaKeysConstructor | undefined;
const { MSMediaKeys } = globalScope as typeof globalThis & {
  MSMediaKeys?: IMSMediaKeysConstructor;
};
if (
  MSMediaKeys !== undefined &&
  MSMediaKeys.prototype !== undefined &&
  typeof MSMediaKeys.isTypeSupported === "function" &&
  // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
  typeof MSMediaKeys.prototype.createSession === "function"
) {
  MSMediaKeysConstructor = MSMediaKeys;
}
export { MSMediaKeysConstructor };