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Unified Diff: media/cdm/proxy_decryptor.h

Issue 1712903002: Remove prefixed EME. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Fix layout tests. Created 4 years, 10 months ago
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Index: media/cdm/proxy_decryptor.h
diff --git a/media/cdm/proxy_decryptor.h b/media/cdm/proxy_decryptor.h
deleted file mode 100644
index ca0d36d2668a4c4c751b54629ef4c5bab38a4792..0000000000000000000000000000000000000000
--- a/media/cdm/proxy_decryptor.h
+++ /dev/null
@@ -1,169 +0,0 @@
-// Copyright 2013 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_CDM_PROXY_DECRYPTOR_H_
-#define MEDIA_CDM_PROXY_DECRYPTOR_H_
-
-#include <stdint.h>
-
-#include <string>
-#include <vector>
-
-#include "base/containers/hash_tables.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/scoped_vector.h"
-#include "base/memory/weak_ptr.h"
-#include "build/build_config.h"
-#include "media/base/cdm_context.h"
-#include "media/base/decryptor.h"
-#include "media/base/eme_constants.h"
-#include "media/base/media_export.h"
-#include "media/base/media_keys.h"
-#include "url/gurl.h"
-
-namespace media {
-
-class CdmFactory;
-class MediaPermission;
-
-// ProxyDecryptor is for EME v0.1b only. It should not be used for the WD API.
-// A decryptor proxy that creates a real decryptor object on demand and
-// forwards decryptor calls to it.
-//
-// TODO(xhwang): Currently we don't support run-time switching among decryptor
-// objects. Fix this when needed.
-// TODO(xhwang): The ProxyDecryptor is not a Decryptor. Find a better name!
-class MEDIA_EXPORT ProxyDecryptor {
- public:
- // Callback to provide a CdmContext when the CDM creation is finished.
- // If CDM creation failed, |cdm_context| will be null.
- typedef base::Callback<void(CdmContext* cdm_context)> CdmContextReadyCB;
-
- // These are similar to the callbacks in media_keys.h, but pass back the
- // session ID rather than the internal session ID.
- typedef base::Callback<void(const std::string& session_id)> KeyAddedCB;
- typedef base::Callback<void(const std::string& session_id,
- MediaKeys::KeyError error_code,
- uint32_t system_code)> KeyErrorCB;
- typedef base::Callback<void(const std::string& session_id,
- const std::vector<uint8_t>& message,
- const GURL& destination_url)> KeyMessageCB;
-
- ProxyDecryptor(MediaPermission* media_permission,
- bool use_hw_secure_codecs,
- const KeyAddedCB& key_added_cb,
- const KeyErrorCB& key_error_cb,
- const KeyMessageCB& key_message_cb);
- virtual ~ProxyDecryptor();
-
- // Creates the CDM and fires |cdm_created_cb|. This method should only be
- // called once. If CDM creation failed, all following GenerateKeyRequest,
- // AddKey and CancelKeyRequest calls will result in a KeyError.
- void CreateCdm(CdmFactory* cdm_factory,
- const std::string& key_system,
- const GURL& security_origin,
- const CdmContextReadyCB& cdm_context_ready_cb);
-
- // May only be called after CreateCDM().
- void GenerateKeyRequest(EmeInitDataType init_data_type,
- const uint8_t* init_data,
- int init_data_length);
- void AddKey(const uint8_t* key,
- int key_length,
- const uint8_t* init_data,
- int init_data_length,
- const std::string& session_id);
- void CancelKeyRequest(const std::string& session_id);
-
- private:
- // Callback for CreateCdm().
- void OnCdmCreated(const std::string& key_system,
- const GURL& security_origin,
- const CdmContextReadyCB& cdm_context_ready_cb,
- const scoped_refptr<MediaKeys>& cdm,
- const std::string& error_message);
-
- void GenerateKeyRequestInternal(EmeInitDataType init_data_type,
- const std::vector<uint8_t>& init_data);
-
- // Callbacks for firing session events.
- void OnSessionMessage(const std::string& session_id,
- MediaKeys::MessageType message_type,
- const std::vector<uint8_t>& message,
- const GURL& legacy_destination_url);
- void OnSessionKeysChange(const std::string& session_id,
- bool has_additional_usable_key,
- CdmKeysInfo keys_info);
- void OnSessionExpirationUpdate(const std::string& session_id,
- const base::Time& new_expiry_time);
- void GenerateKeyAdded(const std::string& session_id);
- void OnSessionClosed(const std::string& session_id);
- void OnLegacySessionError(const std::string& session_id,
- MediaKeys::Exception exception_code,
- uint32_t system_code,
- const std::string& error_message);
-
- // Callback for permission request.
- void OnPermissionStatus(MediaKeys::SessionType session_type,
- EmeInitDataType init_data_type,
- const std::vector<uint8_t>& init_data,
- scoped_ptr<NewSessionCdmPromise> promise,
- bool granted);
-
- enum SessionCreationType {
- TemporarySession,
- PersistentSession,
- LoadSession
- };
-
- // Called when a session is actually created or loaded.
- void SetSessionId(SessionCreationType session_type,
- const std::string& session_id);
-
- struct PendingGenerateKeyRequestData {
- PendingGenerateKeyRequestData(EmeInitDataType init_data_type,
- const std::vector<uint8_t>& init_data);
- ~PendingGenerateKeyRequestData();
-
- const EmeInitDataType init_data_type;
- const std::vector<uint8_t> init_data;
- };
-
- bool is_creating_cdm_;
-
- // The real MediaKeys that manages key operations for the ProxyDecryptor.
- scoped_refptr<MediaKeys> media_keys_;
-
-#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
- MediaPermission* media_permission_;
-#endif
-
- bool use_hw_secure_codecs_;
-
- // Callbacks for firing key events.
- KeyAddedCB key_added_cb_;
- KeyErrorCB key_error_cb_;
- KeyMessageCB key_message_cb_;
-
- std::string key_system_;
- GURL security_origin_;
-
- // Keep track of both persistent and non-persistent sessions.
- base::hash_map<std::string, bool> active_sessions_;
-
- bool is_clear_key_;
-
- ScopedVector<PendingGenerateKeyRequestData> pending_requests_;
-
- // NOTE: Weak pointers must be invalidated before all other member variables.
- base::WeakPtrFactory<ProxyDecryptor> weak_ptr_factory_;
-
- DISALLOW_COPY_AND_ASSIGN(ProxyDecryptor);
-};
-
-} // namespace media
-
-#endif // MEDIA_CDM_PROXY_DECRYPTOR_H_

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