Encrypted Media: Implement IPC based SetCdm().

content/renderer/media/crypto/proxy_decryptor.cc

 // 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.
 
 #include "content/renderer/media/crypto/proxy_decryptor.h"
 
 #include <cstring>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 24 matching lines @@
 // Special system code to signal a closed persistent session in a SessionError()
 // call. This is needed because there is no SessionClosed() call in the prefixed
 // EME API.
 const int kSessionClosedSystemCode = 29127;
 
 ProxyDecryptor::ProxyDecryptor(
 #if defined(ENABLE_PEPPER_CDMS)
     const CreatePepperCdmCB& create_pepper_cdm_cb,
 #elif defined(OS_ANDROID)
     RendererMediaPlayerManager* manager,
-    int cdm_id,
 #endif  // defined(ENABLE_PEPPER_CDMS)
     const KeyAddedCB& key_added_cb,
     const KeyErrorCB& key_error_cb,
     const KeyMessageCB& key_message_cb)
     :
 #if defined(ENABLE_PEPPER_CDMS)
       create_pepper_cdm_cb_(create_pepper_cdm_cb),
 #elif defined(OS_ANDROID)
       manager_(manager),
-      cdm_id_(cdm_id),
+      cdm_id_(RendererMediaPlayerManager::kInvalidCdmId),
 #endif  // defined(ENABLE_PEPPER_CDMS)
       key_added_cb_(key_added_cb),
       key_error_cb_(key_error_cb),
       key_message_cb_(key_message_cb),
       is_clear_key_(false),
       weak_ptr_factory_(this) {
 #if defined(ENABLE_PEPPER_CDMS)
   DCHECK(!create_pepper_cdm_cb_.is_null());
 #endif  // defined(ENABLE_PEPPER_CDMS)
   DCHECK(!key_added_cb_.is_null());
   DCHECK(!key_error_cb_.is_null());
   DCHECK(!key_message_cb_.is_null());
 }
 
 ProxyDecryptor::~ProxyDecryptor() {
   // Destroy the decryptor explicitly before destroying the plugin.
   media_keys_.reset();
 }
 
 media::Decryptor* ProxyDecryptor::GetDecryptor() {
   return media_keys_ ? media_keys_->GetDecryptor() : NULL;
 }
 
+#if defined(OS_ANDROID)
+int ProxyDecryptor::GetCdmId() {
+  return cdm_id_;
+}
+#endif
+
 bool ProxyDecryptor::InitializeCDM(const std::string& key_system,
                                    const GURL& frame_url) {
   DVLOG(1) << "InitializeCDM: key_system = " << key_system;
 
   DCHECK(!media_keys_);
   media_keys_ = CreateMediaKeys(key_system, frame_url);
   if (!media_keys_)
     return false;
 
   is_clear_key_ =
@@ skipping 95 matching lines @@
 
 scoped_ptr<media::MediaKeys> ProxyDecryptor::CreateMediaKeys(
     const std::string& key_system,
     const GURL& frame_url) {
   return ContentDecryptionModuleFactory::Create(
       key_system,
 #if defined(ENABLE_PEPPER_CDMS)
       create_pepper_cdm_cb_,
 #elif defined(OS_ANDROID)
       manager_,
-      cdm_id_,
       frame_url,
+      &cdm_id_,
 #endif  // defined(ENABLE_PEPPER_CDMS)
       base::Bind(&ProxyDecryptor::OnSessionCreated,
                  weak_ptr_factory_.GetWeakPtr()),
       base::Bind(&ProxyDecryptor::OnSessionMessage,
                  weak_ptr_factory_.GetWeakPtr()),
       base::Bind(&ProxyDecryptor::OnSessionReady,
                  weak_ptr_factory_.GetWeakPtr()),
       base::Bind(&ProxyDecryptor::OnSessionClosed,
                  weak_ptr_factory_.GetWeakPtr()),
       base::Bind(&ProxyDecryptor::OnSessionError,
@@ skipping 57 matching lines @@
 
 const std::string& ProxyDecryptor::LookupWebSessionId(uint32 session_id) const {
   DCHECK_NE(session_id, kInvalidSessionId);
 
   // Session may not exist if error happens during GenerateKeyRequest().
   SessionIdMap::const_iterator it = sessions_.find(session_id);
   return (it != sessions_.end()) ? it->second : base::EmptyString();
 }
 
 }  // namespace content