| // 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 COBALT_MEDIA_BLINK_WEBCONTENTDECRYPTIONMODULESESSION_IMPL_H_ |
| #define COBALT_MEDIA_BLINK_WEBCONTENTDECRYPTIONMODULESESSION_IMPL_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "base/callback.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/threading/thread_checker.h" |
| #include "cobalt/media/base/media_keys.h" |
| #include "cobalt/media/blink/new_session_cdm_result_promise.h" |
| #include "starboard/types.h" |
| #include "third_party/WebKit/public/platform/WebContentDecryptionModuleSession.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| |
| namespace cobalt { |
| namespace media { |
| |
| class CdmSessionAdapter; |
| class MediaKeys; |
| |
| class WebContentDecryptionModuleSessionImpl |
| : public blink::WebContentDecryptionModuleSession { |
| public: |
| WebContentDecryptionModuleSessionImpl( |
| const scoped_refptr<CdmSessionAdapter>& adapter); |
| ~WebContentDecryptionModuleSessionImpl() OVERRIDE; |
| |
| // blink::WebContentDecryptionModuleSession implementation. |
| void setClientInterface(Client* client) OVERRIDE; |
| blink::WebString sessionId() const OVERRIDE; |
| |
| void initializeNewSession( |
| blink::WebEncryptedMediaInitDataType init_data_type, |
| const unsigned char* initData, size_t initDataLength, |
| blink::WebEncryptedMediaSessionType session_type, |
| blink::WebContentDecryptionModuleResult result) OVERRIDE; |
| void load(const blink::WebString& session_id, |
| blink::WebContentDecryptionModuleResult result) OVERRIDE; |
| void update(const uint8_t* response, size_t response_length, |
| blink::WebContentDecryptionModuleResult result) OVERRIDE; |
| void close(blink::WebContentDecryptionModuleResult result) OVERRIDE; |
| void remove(blink::WebContentDecryptionModuleResult result) OVERRIDE; |
| |
| // Callbacks. |
| void OnSessionMessage(MediaKeys::MessageType message_type, |
| const std::vector<uint8_t>& message); |
| void OnSessionKeysChange(bool has_additional_usable_key, |
| CdmKeysInfo keys_info); |
| void OnSessionExpirationUpdate(const base::Time& new_expiry_time); |
| void OnSessionClosed(); |
| |
| private: |
| // Called when a new session is created or loaded. |status| is set as |
| // appropriate, depending on whether the session already exists or not. |
| void OnSessionInitialized(const std::string& session_id, |
| SessionInitStatus* status); |
| |
| scoped_refptr<CdmSessionAdapter> adapter_; |
| |
| // Non-owned pointer. |
| Client* client_; |
| |
| // Session ID is the app visible ID for this session generated by the CDM. |
| // This value is not set until the CDM resolves the initializeNewSession() |
| // promise. |
| std::string session_id_; |
| |
| // Don't pass more than 1 close() event to blink:: |
| // TODO(jrummell): Remove this once blink tests handle close() promise and |
| // closed() event. |
| bool is_closed_; |
| |
| base::ThreadChecker thread_checker_; |
| // Since promises will live until they are fired, use a weak reference when |
| // creating a promise in case this class disappears before the promise |
| // actually fires. |
| base::WeakPtrFactory<WebContentDecryptionModuleSessionImpl> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebContentDecryptionModuleSessionImpl); |
| }; |
| |
| } // namespace media |
| } // namespace cobalt |
| |
| #endif // COBALT_MEDIA_BLINK_WEBCONTENTDECRYPTIONMODULESESSION_IMPL_H_ |