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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_FACTORY_H_
#define MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_FACTORY_H_
#include <stdint.h>
#include <memory>
#include <vector>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "media/base/android/media_drm_bridge.h"
#include "media/base/android/media_drm_storage_bridge.h"
#include "media/base/cdm_factory.h"
#include "media/base/media_export.h"
#include "media/base/provision_fetcher.h"
namespace media {
struct CdmConfig;
// A factory for creating MediaDrmBridge. Only one MediaDrmBridge can be created
// at any time.
class MEDIA_EXPORT MediaDrmBridgeFactory final : public CdmFactory {
public:
MediaDrmBridgeFactory(CreateFetcherCB create_fetcher_cb,
CreateStorageCB create_storage_cb);
MediaDrmBridgeFactory(const MediaDrmBridgeFactory&) = delete;
MediaDrmBridgeFactory& operator=(const MediaDrmBridgeFactory&) = delete;
~MediaDrmBridgeFactory() override;
// CdmFactory implementation.
void Create(const std::string& key_system,
const CdmConfig& cdm_config,
const SessionMessageCB& session_message_cb,
const SessionClosedCB& session_closed_cb,
const SessionKeysChangeCB& session_keys_change_cb,
const SessionExpirationUpdateCB& session_expiration_update_cb,
CdmCreatedCB cdm_created_cb) override;
private:
// Callback for Initialize() on |storage_|.
void OnStorageInitialized(bool success);
// Creates |media_drm_bridge_|, and call SetMediaCryptoReadyCB() to wait for
// MediaCrypto to be ready.
void CreateMediaDrmBridge(const std::string& origin_id);
// Callback for SetMediaCryptoReadyCB() on |media_drm_bridge_|.
void OnMediaCryptoReady(JavaObjectPtr media_crypto,
bool requires_secure_video_codec);
CreateFetcherCB create_fetcher_cb_;
CreateStorageCB create_storage_cb_;
std::vector<uint8_t> scheme_uuid_;
MediaDrmBridge::SecurityLevel security_level_ =
MediaDrmBridge::SECURITY_LEVEL_DEFAULT;
SessionMessageCB session_message_cb_;
SessionClosedCB session_closed_cb_;
SessionKeysChangeCB session_keys_change_cb_;
SessionExpirationUpdateCB session_expiration_update_cb_;
// TODO(xhwang): Make CdmCreatedCB an OnceCallback.
using CdmCreatedOnceCB = base::OnceCallback<CdmCreatedCB::RunType>;
CdmCreatedOnceCB cdm_created_cb_;
std::unique_ptr<MediaDrmStorageBridge> storage_;
scoped_refptr<MediaDrmBridge> media_drm_bridge_;
base::WeakPtrFactory<MediaDrmBridgeFactory> weak_factory_{this};
};
} // namespace media
#endif // MEDIA_BASE_ANDROID_MEDIA_DRM_BRIDGE_FACTORY_H_
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