Allows support for persistent session types in BrowserCdm.

content/browser/media/cdm/browser_cdm_manager.h

 // 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_BROWSER_MEDIA_CDM_BROWSER_CDM_MANAGER_H_
 #define CONTENT_BROWSER_MEDIA_CDM_BROWSER_CDM_MANAGER_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/content_export.h"
 #include "content/common/media/cdm_messages.h"
 #include "content/common/media/cdm_messages_enums.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "content/public/common/permission_status.mojom.h"
 #include "ipc/ipc_message.h"
 #include "media/base/cdm_promise.h"
 #include "media/base/eme_constants.h"
 #include "media/base/media_keys.h"
 #include "url/gurl.h"
 
+struct CdmHostMsg_CreateSessionAndGenerateRequest_Params;
+
 namespace media {
 class BrowserCdm;
 }
 
 namespace content {
 
 // This class manages all CDM objects. It receives control operations from the
 // the render process, and forwards them to corresponding CDM object. Callbacks
 // from CDM objects are converted to IPCs and then sent to the render process.
 class CONTENT_EXPORT BrowserCdmManager : public BrowserMessageFilter {
@@ skipping 71 matching lines @@
   // Message handlers.
   void OnInitializeCdm(int render_frame_id,
                        int cdm_id,
                        uint32_t promise_id,
                        const CdmHostMsg_InitializeCdm_Params& params);
   void OnSetServerCertificate(int render_frame_id,
                               int cdm_id,
                               uint32_t promise_id,
                               const std::vector<uint8_t>& certificate);
   void OnCreateSessionAndGenerateRequest(
+      const CdmHostMsg_CreateSessionAndGenerateRequest_Params& params);
+  void OnLoadSession(
       int render_frame_id,
       int cdm_id,
       uint32_t promise_id,
-      CdmHostMsg_CreateSession_InitDataType init_data_type,
-      const std::vector<uint8>& init_data);
+      media::MediaKeys::SessionType session_type,
+      const std::string& session_id);
   void OnUpdateSession(int render_frame_id,
                        int cdm_id,
                        uint32_t promise_id,
                        const std::string& session_id,
                        const std::vector<uint8>& response);
   void OnCloseSession(int render_frame_id,
                       int cdm_id,
                       uint32_t promise_id,
                       const std::string& session_id);
+  void OnRemoveSession(int render_frame_id,
+                       int cdm_id,
+                       uint32_t promise_id,
+                       const std::string& session_id);
   void OnDestroyCdm(int render_frame_id, int cdm_id);
 
   // Adds a new CDM identified by |cdm_id| for the given |key_system| and
   // |security_origin|.
   void AddCdm(int render_frame_id,
               int cdm_id,
               uint32_t promise_id,
               const std::string& key_system,
               const GURL& security_origin,
               bool use_hw_secure_codecs);
@@ skipping 17 matching lines @@
   void CheckPermissionStatusOnUIThread(
       int render_frame_id,
       const GURL& security_origin,
       const PermissionStatusCB& permission_status_cb);
 
   // Calls CreateSessionAndGenerateRequest() on the CDM if
   // |permission_was_allowed| is true. Otherwise rejects the |promise|.
   void CreateSessionAndGenerateRequestIfPermitted(
       int render_frame_id,
       int cdm_id,
+      media::MediaKeys::SessionType session_type,
       media::EmeInitDataType init_data_type,
       const std::vector<uint8>& init_data,
       scoped_ptr<media::NewSessionCdmPromise> promise,
       bool permission_was_allowed);
 
+  // Calls LoadSession() on the CDM if |permission_was_allowed| is true.
+  // Otherwise rejects |promise|.
+  void LoadSessionIfPermitted(int render_frame_id,
+                              int cdm_id,
+                              media::MediaKeys::SessionType session_type,
+                              const std::string& session_id,
+                              scoped_ptr<media::NewSessionCdmPromise> promise,
+                              bool permission_was_allowed);
+
   const int render_process_id_;
 
   // TaskRunner to dispatch all CDM messages to. If it's NULL, all messages are
   // dispatched to the browser UI thread.
   scoped_refptr<base::TaskRunner> task_runner_;
 
   // The key in the following maps is a combination of |render_frame_id| and
   // |cdm_id|.
 
   // Map of managed BrowserCdms.
   typedef base::ScopedPtrHashMap<uint64, scoped_ptr<media::BrowserCdm>> CdmMap;
   CdmMap cdm_map_;
 
   // Map of CDM's security origin.
   std::map<uint64, GURL> cdm_security_origin_map_;
 
   base::WeakPtrFactory<BrowserCdmManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserCdmManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_CDM_BROWSER_CDM_MANAGER_H_