Update MediaKeys interface for EME

content/renderer/media/crypto/ppapi_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/ppapi_decryptor.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 75 matching lines @@
   base::Closure additional_resolve_cb_;
 };
 
 scoped_ptr<PpapiDecryptor> PpapiDecryptor::Create(
     const std::string& key_system,
     const GURL& security_origin,
     const CreatePepperCdmCB& create_pepper_cdm_cb,
     const media::SessionMessageCB& session_message_cb,
     const media::SessionReadyCB& session_ready_cb,
     const media::SessionClosedCB& session_closed_cb,
-    const media::SessionErrorCB& session_error_cb) {
+    const media::SessionErrorCB& session_error_cb,
+    const media::SessionKeysChangeCB& session_keys_change_cb,
+    const media::SessionExpirationChangeCB& session_expiration_change_cb) {
   std::string plugin_type = GetPepperType(key_system);
   DCHECK(!plugin_type.empty());
   scoped_ptr<PepperCdmWrapper> pepper_cdm_wrapper =
       create_pepper_cdm_cb.Run(plugin_type, security_origin);
   if (!pepper_cdm_wrapper) {
     DLOG(ERROR) << "Plugin instance creation failed.";
     return scoped_ptr<PpapiDecryptor>();
   }
 
   return scoped_ptr<PpapiDecryptor>(
       new PpapiDecryptor(key_system,
                          pepper_cdm_wrapper.Pass(),
                          session_message_cb,
                          session_ready_cb,
                          session_closed_cb,
-                         session_error_cb));
+                         session_error_cb,
+                         session_keys_change_cb,
+                         session_expiration_change_cb));
 }
 
 PpapiDecryptor::PpapiDecryptor(
     const std::string& key_system,
     scoped_ptr<PepperCdmWrapper> pepper_cdm_wrapper,
     const media::SessionMessageCB& session_message_cb,
     const media::SessionReadyCB& session_ready_cb,
     const media::SessionClosedCB& session_closed_cb,
-    const media::SessionErrorCB& session_error_cb)
+    const media::SessionErrorCB& session_error_cb,
+    const media::SessionKeysChangeCB& session_keys_change_cb,
+    const media::SessionExpirationChangeCB& session_expiration_change_cb)
     : pepper_cdm_wrapper_(pepper_cdm_wrapper.Pass()),
       session_message_cb_(session_message_cb),
       session_ready_cb_(session_ready_cb),
       session_closed_cb_(session_closed_cb),
       session_error_cb_(session_error_cb),
+      session_keys_change_cb_(session_keys_change_cb),
+      session_expiration_change_cb_(session_expiration_change_cb),
       render_loop_proxy_(base::MessageLoopProxy::current()),
       weak_ptr_factory_(this) {
   DCHECK(pepper_cdm_wrapper_.get());
   DCHECK(!session_message_cb_.is_null());
   DCHECK(!session_ready_cb_.is_null());
   DCHECK(!session_closed_cb_.is_null());
   DCHECK(!session_error_cb_.is_null());
+  DCHECK(!session_keys_change_cb.is_null());
+  DCHECK(!session_expiration_change_cb.is_null());
 
   base::WeakPtr<PpapiDecryptor> weak_this = weak_ptr_factory_.GetWeakPtr();
   CdmDelegate()->Initialize(
       key_system,
       base::Bind(&PpapiDecryptor::OnSessionMessage, weak_this),
       base::Bind(&PpapiDecryptor::OnSessionReady, weak_this),
       base::Bind(&PpapiDecryptor::OnSessionClosed, weak_this),
       base::Bind(&PpapiDecryptor::OnSessionError, weak_this),
+      base::Bind(&PpapiDecryptor::OnSessionKeysChange, weak_this),
+      base::Bind(&PpapiDecryptor::OnSessionExpirationChange, weak_this),
       base::Bind(&PpapiDecryptor::OnFatalPluginError, weak_this));
 }
 
 PpapiDecryptor::~PpapiDecryptor() {
   pepper_cdm_wrapper_.reset();
 }
 
+void PpapiDecryptor::SetServerCertificate(
+    const uint8* certificate_data,
+    int certificate_data_length,
+    scoped_ptr<media::SimpleCdmPromise> promise) {
+  DVLOG(2) << __FUNCTION__;
+  DCHECK(render_loop_proxy_->BelongsToCurrentThread());
+
+  if (!CdmDelegate()) {
+    promise->reject(INVALID_STATE_ERROR, 0, "CdmDelegate() does not exist.");
+    return;
+  }
+
+  CdmDelegate()->SetServerCertificate(
+      certificate_data, certificate_data_length, promise.Pass());
+}
+
 void PpapiDecryptor::CreateSession(
     const std::string& init_data_type,
     const uint8* init_data,
     int init_data_length,
     SessionType session_type,
     scoped_ptr<media::NewSessionCdmPromise> promise) {
   DVLOG(2) << __FUNCTION__;
   DCHECK(render_loop_proxy_->BelongsToCurrentThread());
 
   if (!CdmDelegate()) {
@@ skipping 36 matching lines @@
     scoped_ptr<media::SimpleCdmPromise> promise) {
   DCHECK(render_loop_proxy_->BelongsToCurrentThread());
 
   if (!CdmDelegate()) {
     promise->reject(INVALID_STATE_ERROR, 0, "CdmDelegate() does not exist.");
     return;
   }
 
   scoped_ptr<SessionUpdatedPromise> session_updated_promise(
       new SessionUpdatedPromise(promise.Pass(),
                                 base::Bind(&PpapiDecryptor::ResumePlayback,

[ddorwin, 2014/09/11 23:31:11]

This should not be necessary once OnSessionKeysChange() is being called in all
cases. Please add a TODO and refer to the same bug as below.

[jrummell, 2014/09/15 18:22:39]

Done.

                                            weak_ptr_factory_.GetWeakPtr())));
   CdmDelegate()->UpdateSession(
       web_session_id,
       response,
       response_length,
       session_updated_promise.PassAs<media::SimpleCdmPromise>());
 }
 
-void PpapiDecryptor::ReleaseSession(
+void PpapiDecryptor::CloseSession(const std::string& web_session_id,
+                                  scoped_ptr<media::SimpleCdmPromise> promise) {
+  DCHECK(render_loop_proxy_->BelongsToCurrentThread());
+
+  if (!CdmDelegate()) {
+    promise->reject(INVALID_STATE_ERROR, 0, "CdmDelegate() does not exist.");
+    return;
+  }
+
+  CdmDelegate()->CloseSession(web_session_id, promise.Pass());
+}
+
+void PpapiDecryptor::RemoveSession(
     const std::string& web_session_id,
     scoped_ptr<media::SimpleCdmPromise> promise) {
   DCHECK(render_loop_proxy_->BelongsToCurrentThread());
 
   if (!CdmDelegate()) {
     promise->reject(INVALID_STATE_ERROR, 0, "CdmDelegate() does not exist.");
     return;
   }
 
-  CdmDelegate()->CloseSession(web_session_id, promise.Pass());
+  CdmDelegate()->RemoveSession(web_session_id, promise.Pass());
+}
+
+void PpapiDecryptor::GetUsableKeyIds(const std::string& web_session_id,
+                                     scoped_ptr<media::KeyIdsPromise> promise) {
+  DCHECK(render_loop_proxy_->BelongsToCurrentThread());
+
+  if (!CdmDelegate()) {
+    promise->reject(INVALID_STATE_ERROR, 0, "CdmDelegate() does not exist.");
+    return;
+  }
+
+  CdmDelegate()->GetUsableKeyIds(web_session_id, promise.Pass());
 }
 
 media::Decryptor* PpapiDecryptor::GetDecryptor() {
   return this;
 }
 
 void PpapiDecryptor::RegisterNewKeyCB(StreamType stream_type,
                                       const NewKeyCB& new_key_cb) {
   if (!render_loop_proxy_->BelongsToCurrentThread()) {
     render_loop_proxy_->PostTask(FROM_HERE,
@@ skipping 194 matching lines @@
   }
 }
 
 void PpapiDecryptor::OnSessionMessage(const std::string& web_session_id,
                                       const std::vector<uint8>& message,
                                       const GURL& destination_url) {
   DCHECK(render_loop_proxy_->BelongsToCurrentThread());
   session_message_cb_.Run(web_session_id, message, destination_url);
 }
 
+void PpapiDecryptor::OnSessionKeysChange(const std::string& web_session_id,
+                                         bool has_additional_usable_key) {
+  DCHECK(render_loop_proxy_->BelongsToCurrentThread());
+
+  if (has_additional_usable_key)
+    ResumePlayback();
+
+  session_keys_change_cb_.Run(web_session_id, has_additional_usable_key);
+}
+
+void PpapiDecryptor::OnSessionExpirationChange(
+    const std::string& web_session_id,
+    double new_expiry_time) {
+  DCHECK(render_loop_proxy_->BelongsToCurrentThread());
+  session_expiration_change_cb_.Run(web_session_id, new_expiry_time);
+}
+
 void PpapiDecryptor::OnSessionReady(const std::string& web_session_id) {
   DCHECK(render_loop_proxy_->BelongsToCurrentThread());
 
   ResumePlayback();

[ddorwin, 2014/09/11 23:31:11]

I think we should be able to remove this once OnSessionKeysChange() is always
being called. Please add a TODO.

[jrummell, 2014/09/15 18:22:39]

Done.

   session_ready_cb_.Run(web_session_id);
 }
 
 void PpapiDecryptor::OnSessionClosed(const std::string& web_session_id) {
   DCHECK(render_loop_proxy_->BelongsToCurrentThread());
   session_closed_cb_.Run(web_session_id);
 }
 
 void PpapiDecryptor::OnSessionError(const std::string& web_session_id,
                                     MediaKeys::Exception exception_code,
@@ skipping 19 matching lines @@
   DCHECK(render_loop_proxy_->BelongsToCurrentThread());
   pepper_cdm_wrapper_.reset();
 }
 
 ContentDecryptorDelegate* PpapiDecryptor::CdmDelegate() {
   DCHECK(render_loop_proxy_->BelongsToCurrentThread());
   return (pepper_cdm_wrapper_) ? pepper_cdm_wrapper_->GetCdmDelegate() : NULL;
 }
 
 }  // namespace content