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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */

#include "nsISupports.idl"
#include "nsIThread.idl"

%{C++
#include "mozilla/UniquePtr.h"
#include "nsTArray.h"
#include "nsStringGlue.h"
class GMPAudioDecoderProxy;
class GMPDecryptorProxy;
class GMPVideoDecoderProxy;
class GMPVideoEncoderProxy;
class GMPVideoHost;

template<class T>
class GMPGetterCallback
{
public:
  GMPGetterCallback() { MOZ_COUNT_CTOR(GMPGetterCallback<T>); }
  virtual ~GMPGetterCallback() { MOZ_COUNT_DTOR(GMPGetterCallback<T>); }
  virtual void Done(T*) = 0;
};
template<class T>
class GMPVideoGetterCallback
{
public:
  GMPVideoGetterCallback() { MOZ_COUNT_CTOR(GMPVideoGetterCallback<T>); }
  virtual ~GMPVideoGetterCallback() { MOZ_COUNT_DTOR(GMPVideoGetterCallback<T>); }
  virtual void Done(T*, GMPVideoHost*) = 0;
};
typedef GMPGetterCallback<GMPDecryptorProxy> GetGMPDecryptorCallback;
typedef GMPGetterCallback<GMPAudioDecoderProxy> GetGMPAudioDecoderCallback;
typedef GMPVideoGetterCallback<GMPVideoDecoderProxy> GetGMPVideoDecoderCallback;
typedef GMPVideoGetterCallback<GMPVideoEncoderProxy> GetGMPVideoEncoderCallback;
class GetNodeIdCallback
{
public:
  GetNodeIdCallback() { MOZ_COUNT_CTOR(GetNodeIdCallback); }
  virtual ~GetNodeIdCallback() { MOZ_COUNT_DTOR(GetNodeIdCallback); }
  virtual void Done(nsresult aResult, const nsACString& aNodeId) = 0;
};
%}

[ptr] native TagArray(nsTArray<nsCString>);
native GetGMPDecryptorCallback(mozilla::UniquePtr<GetGMPDecryptorCallback>&&);
native GetGMPAudioDecoderCallback(mozilla::UniquePtr<GetGMPAudioDecoderCallback>&&);
native GetGMPVideoDecoderCallback(mozilla::UniquePtr<GetGMPVideoDecoderCallback>&&);
native GetGMPVideoEncoderCallback(mozilla::UniquePtr<GetGMPVideoEncoderCallback>&&);
native GetNodeIdCallback(mozilla::UniquePtr<GetNodeIdCallback>&&);

[scriptable, uuid(661492d6-726b-4ba0-8e6e-14bfaf2b62e4)]
interface mozIGeckoMediaPluginService : nsISupports
{

  /**
   * The GMP thread. Callable from any thread.
   */
  readonly attribute nsIThread thread;

  /**
   * Get a plugin that supports the specified tags.
   * Callable on any thread
   */
  [noscript]
  boolean hasPluginForAPI(in ACString api, in TagArray tags);

  /**
   * Get the version of the plugin that supports the specified tags.
   * Callable on any thread
   */
  [noscript]
  void getPluginVersionForAPI(in ACString api, in TagArray tags,
                              out boolean hasPlugin, out ACString version);

  /**
   * Get a video decoder that supports the specified tags.
   * The array of tags should at least contain a codec tag, and optionally
   * other tags such as for EME keysystem.
   * Callable only on GMP thread.
   * This is an asynchronous operation, the Done method of the callback object
   * will be called on the GMP thread with the result (which might be null in
   * the case of failure). This method always takes ownership of the callback
   * object, but if this method returns an error then the Done method of the
   * callback object will not be called at all.
   */
  [noscript]
  void getGMPVideoDecoder(in TagArray tags,
                          [optional] in ACString nodeId,
                          in GetGMPVideoDecoderCallback callback);

  /**
   * Get a video encoder that supports the specified tags.
   * The array of tags should at least contain a codec tag, and optionally
   * other tags.
   * Callable only on GMP thread.
   * This is an asynchronous operation, the Done method of the callback object
   * will be called on the GMP thread with the result (which might be null in
   * the case of failure). This method always takes ownership of the callback
   * object, but if this method returns an error then the Done method of the
   * callback object will not be called at all.
   */
  [noscript]
  void getGMPVideoEncoder(in TagArray tags,
		                      [optional] in ACString nodeId,
		                      in GetGMPVideoEncoderCallback callback);

  /**
   * Returns an audio decoder that supports the specified tags.
   * The array of tags should at least contain a codec tag, and optionally
   * other tags such as for EME keysystem.
   * Callable only on GMP thread.
   * This is an asynchronous operation, the Done method of the callback object
   * will be called on the GMP thread with the result (which might be null in
   * the case of failure). This method always takes ownership of the callback
   * object, but if this method returns an error then the Done method of the
   * callback object will not be called at all.
   */
  [noscript]
  void getGMPAudioDecoder(in TagArray tags,
                          [optional] in ACString nodeId,
                          in GetGMPAudioDecoderCallback callback);

  /**
   * Returns a decryption session manager that supports the specified tags.
   * The array of tags should at least contain a key system tag, and optionally
   * other tags.
   * Callable only on GMP thread.
   * This is an asynchronous operation, the Done method of the callback object
   * will be called on the GMP thread with the result (which might be null in
   * the case of failure). This method always takes ownership of the callback
   * object, but if this method returns an error then the Done method of the
   * callback object will not be called at all.
   */
  [noscript]
  void getGMPDecryptor(in TagArray tags, in ACString nodeId,
                       in GetGMPDecryptorCallback callback);

  /**
   * Gets the NodeId for a (origin, urlbarOrigin, isInprivateBrowsing) tuple.
   */
  [noscript]
  void getNodeId(in AString origin,
                 in AString topLevelOrigin,
                 in bool inPrivateBrowsingMode,
                 in GetNodeIdCallback callback);

  /**
   * Stores the result of trying to create a decoder for the given keysystem.
   */
  [noscript]
  void updateTrialCreateState(in AString keySystem, in uint32_t status);
};