| // Copyright 2014 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 CONTENT_RENDERER_MEDIA_CDM_RENDERER_CDM_MANAGER_H_ |
| #define CONTENT_RENDERER_MEDIA_CDM_RENDERER_CDM_MANAGER_H_ |
| |
| #include <stdint.h> |
| |
| #include <map> |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "content/common/media/cdm_messages_enums.h" |
| #include "content/public/renderer/render_frame_observer.h" |
| #include "media/base/media_keys.h" |
| #include "url/gurl.h" |
| |
| namespace blink { |
| class WebFrame; |
| } |
| |
| namespace content { |
| |
| class ProxyMediaKeys; |
| |
| // Class for managing all the CDM objects in the same RenderFrame. |
| class RendererCdmManager : public RenderFrameObserver { |
| public: |
| // Constructs a RendererCdmManager object for the |render_frame|. |
| explicit RendererCdmManager(RenderFrame* render_frame); |
| ~RendererCdmManager() override; |
| |
| // RenderFrameObserver overrides. |
| bool OnMessageReceived(const IPC::Message& msg) override; |
| |
| // Encrypted media related methods. |
| void InitializeCdm(int cdm_id, |
| uint32_t promise_id, |
| ProxyMediaKeys* media_keys, |
| const std::string& key_system, |
| const GURL& security_origin, |
| bool use_hw_secure_codecs); |
| void SetServerCertificate(int cdm_id, |
| uint32_t promise_id, |
| const std::vector<uint8_t>& certificate); |
| void CreateSessionAndGenerateRequest( |
| int cdm_id, |
| uint32_t promise_id, |
| media::MediaKeys::SessionType session_type, |
| CdmHostMsg_CreateSession_InitDataType init_data_type, |
| const std::vector<uint8_t>& init_data); |
| void LoadSession(int cdm_id, |
| uint32_t promise_id, |
| media::MediaKeys::SessionType session_type, |
| const std::string& session_id); |
| void UpdateSession(int cdm_id, |
| uint32_t promise_id, |
| const std::string& session_id, |
| const std::vector<uint8_t>& response); |
| void CloseSession(int cdm_id, |
| uint32_t promise_id, |
| const std::string& session_id); |
| void RemoveSession(int cdm_id, |
| uint32_t promise_id, |
| const std::string& session_id); |
| void DestroyCdm(int cdm_id); |
| |
| // Registers a ProxyMediaKeys object. Returns allocated CDM ID. |
| int RegisterMediaKeys(ProxyMediaKeys* media_keys); |
| |
| // Unregisters a ProxyMediaKeys object identified by |cdm_id|. |
| void UnregisterMediaKeys(int cdm_id); |
| |
| private: |
| // RenderFrameObserver implementation. |
| void OnDestruct() override; |
| |
| // Gets the pointer to ProxyMediaKeys given the |cdm_id|. |
| ProxyMediaKeys* GetMediaKeys(int cdm_id); |
| |
| // Message handlers. |
| void OnSessionMessage(int cdm_id, |
| const std::string& session_id, |
| media::MediaKeys::MessageType message_type, |
| const std::vector<uint8_t>& message); |
| void OnSessionClosed(int cdm_id, const std::string& session_id); |
| void OnSessionKeysChange( |
| int cdm_id, |
| const std::string& session_id, |
| bool has_additional_usable_key, |
| const std::vector<media::CdmKeyInformation>& key_info_vector); |
| void OnSessionExpirationUpdate(int cdm_id, |
| const std::string& session_id, |
| const base::Time& new_expiry_time); |
| |
| void OnPromiseResolved(int cdm_id, uint32_t promise_id); |
| void OnPromiseResolvedWithSession(int cdm_id, |
| uint32_t promise_id, |
| const std::string& session_id); |
| void OnPromiseRejected(int cdm_id, |
| uint32_t promise_id, |
| media::MediaKeys::Exception exception, |
| uint32_t system_code, |
| const std::string& error_message); |
| |
| // CDM ID should be unique per renderer frame. |
| // TODO(xhwang): Use uint32_t to prevent undefined overflow behavior. |
| int next_cdm_id_; |
| |
| // CDM ID to ProxyMediaKeys mapping. |
| std::map<int, ProxyMediaKeys*> proxy_media_keys_map_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RendererCdmManager); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_RENDERER_MEDIA_CDM_RENDERER_CDM_MANAGER_H_ |