media: Support unprefixed EME API on Android.

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 "content/common/content_export.h"
 #include "content/common/media/cdm_messages_enums.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "ipc/ipc_message.h"
-// TODO(xhwang): Drop this when KeyError is moved to a common header.
+#include "media/base/cdm_promise.h"
 #include "media/base/media_keys.h"
 #include "url/gurl.h"
 
 namespace media {
 class BrowserCdm;
 }
 
 namespace content {
 
 // This class manages all CDM objects. It receives control operations from the
@@ skipping 19 matching lines @@
   bool OnMessageReceived(const IPC::Message& message) override;
 
   media::BrowserCdm* GetCdm(int render_frame_id, int cdm_id);
 
   // Notifies that the render frame has been deleted so that all CDMs belongs
   // to this render frame needs to be destroyed as well. This is needed because
   // in some cases (e.g. fast termination of the renderer), the message to
   // destroy the CDM will not be received.
   void RenderFrameDeleted(int render_frame_id);
 
+  // Promise handlers.
+  template <typename... T>
+  void ResolvePromise(int render_frame_id,
+                      int cdm_id,
+                      uint32_t promise_id,
+                      const T&... result);
+  void RejectPromise(int render_frame_id,
+                     int cdm_id,
+                     uint32_t promise_id,
+                     media::MediaKeys::Exception exception,
+                     uint32_t system_code,
+                     const std::string& error_message);
+
  protected:
   friend class base::RefCountedThreadSafe<BrowserCdmManager>;
   friend class base::DeleteHelper<BrowserCdmManager>;
   ~BrowserCdmManager() override;
 
  private:
   // CDM callbacks.
-  void OnSessionCreated(int render_frame_id,
-                        int cdm_id,
-                        uint32 session_id,
-                        const std::string& web_session_id);
   void OnSessionMessage(int render_frame_id,
                         int cdm_id,
-                        uint32 session_id,
+                        const std::string& session_id,
+                        media::MediaKeys::MessageType message_type,
                         const std::vector<uint8>& message,
-                        const GURL& destination_url);
-  void OnSessionReady(int render_frame_id, int cdm_id, uint32 session_id);
-  void OnSessionClosed(int render_frame_id, int cdm_id, uint32 session_id);
-  void OnSessionError(int render_frame_id,
-                      int cdm_id,
-                      uint32 session_id,
-                      media::MediaKeys::KeyError error_code,
-                      uint32 system_code);
+                        const GURL& legacy_destination_url);
+  void OnSessionClosed(int render_frame_id,
+                       int cdm_id,
+                       const std::string& session_id);
+  void OnLegacySessionError(int render_frame_id,
+                            int cdm_id,
+                            const std::string& session_id,
+                            media::MediaKeys::Exception exception_code,
+                            uint32_t system_code,
+                            const std::string& error_message);
+  void OnSessionKeysChange(int render_frame_id,
+                           int cdm_id,
+                           const std::string& session_id,
+                           bool has_additional_usable_key,
+                           media::CdmKeysInfo keys_info);
+  void OnSessionExpirationUpdate(int render_frame_id,
+                                 int cdm_id,
+                                 const std::string& session_id,
+                                 const base::Time& new_expiry_time);
 
   // Message handlers.
   void OnInitializeCdm(int render_frame_id,
                        int cdm_id,
                        const std::string& key_system,
                        const GURL& frame_url);
-  void OnCreateSession(int render_frame_id,
-                       int cdm_id,
-                       uint32 session_id,
-                       CdmHostMsg_CreateSession_ContentType content_type,
-                       const std::vector<uint8>& init_data);
+  void OnSetServerCertificate(int render_frame_id,
+                              int cdm_id,
+                              uint32_t promise_id,
+                              const std::vector<uint8_t>& certificate);
+  void OnCreateSessionAndGenerateRequest(
+      int render_frame_id,
+      int cdm_id,
+      uint32_t promise_id,
+      CdmHostMsg_CreateSession_InitDataType init_data_type,
+      const std::vector<uint8>& init_data);
   void OnUpdateSession(int render_frame_id,
                        int cdm_id,
-                       uint32 session_id,
+                       uint32_t promise_id,
+                       const std::string& session_id,
                        const std::vector<uint8>& response);
-  void OnReleaseSession(int render_frame_id,
-                        int cdm_id, uint32 session_id);
+  void OnCloseSession(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);
 
-  void SendSessionError(int render_frame_id, int cdm_id, uint32 session_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,
               const std::string& key_system,
               const GURL& security_origin);
 
   // Removes all CDMs associated with |render_frame_id|.
   void RemoveAllCdmForFrame(int render_frame_id);
 
   // Removes the CDM with the specified id.
   void RemoveCdm(uint64 id);
 
   // Requests permission for the given protected-media session (infobar).
-  void RequestSessionPermission(int render_frame_id,
-                                const GURL& security_origin,
-                                int cdm_id,
-                                uint32 session_id,
-                                const std::string& content_type,
-                                const std::vector<uint8>& init_data);
+  void RequestSessionPermission(
+      int render_frame_id,
+      const GURL& security_origin,
+      int cdm_id,
+      const std::string& init_data_type,
+      const std::vector<uint8>& init_data,
+      scoped_ptr<media::NewSessionCdmPromise> promise);
 
   // If |permitted| is false, it does nothing but send
-  // |CdmMsg_SessionError| IPC message.
+  // |CdmMsg_LegacySessionError| IPC message.
   // The primary use case is infobar permission callback, i.e., when infobar
   // can decide user's intention either from interacting with the actual info
   // bar or from the saved preference.
-  void CreateSessionIfPermitted(int render_frame_id,
-                                int cdm_id,
-                                uint32 session_id,
-                                const std::string& content_type,
-                                const std::vector<uint8>& init_data,
-                                bool permitted);
+  void GenerateRequestIfPermitted(
+      int render_frame_id,
+      int cdm_id,
+      const std::string& init_data_type,
+      const std::vector<uint8>& init_data,
+      scoped_ptr<media::NewSessionCdmPromise> promise,
+      bool permitted);
 
   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, media::BrowserCdm> CdmMap;
   CdmMap cdm_map_;
 
   // Map of CDM's security origin.
   std::map<uint64, GURL> cdm_security_origin_map_;
 
   // Map of callbacks to cancel the permission request.
   std::map<uint64, base::Closure> cdm_cancel_permission_map_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserCdmManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_CDM_BROWSER_CDM_MANAGER_H_