Add MediaKeySession.keystatuseschange event

Source/modules/encryptedmedia/MediaKeySession.cpp

 /*
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 29 matching lines @@
 #include "modules/encryptedmedia/MediaKeys.h"
 #include "modules/encryptedmedia/SimpleContentDecryptionModuleResultPromise.h"
 #include "platform/ContentDecryptionModuleResult.h"
 #include "platform/ContentType.h"
 #include "platform/Logging.h"
 #include "platform/MIMETypeRegistry.h"
 #include "platform/Timer.h"
 #include "public/platform/WebContentDecryptionModule.h"
 #include "public/platform/WebContentDecryptionModuleException.h"
 #include "public/platform/WebContentDecryptionModuleSession.h"
+#include "public/platform/WebEncryptedMediaKeyInformation.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 #include "wtf/ASCIICType.h"
 #include <cmath>
 #include <limits>
 
 namespace {
 
 // The list of possible values for |sessionType|.
 const char kTemporary[] = "temporary";
@@ skipping 788 matching lines @@
 
     // Resolve the closed promise.
     m_closedPromise->resolve(ToV8UndefinedGenerator());
 }
 
 void MediaKeySession::expirationChanged(double updatedExpiryTimeInMS)
 {
     m_expiration = updatedExpiryTimeInMS;
 }
 
+void MediaKeySession::keysChange(bool hasAdditionalUsableKey, const WebVector<WebEncryptedMediaKeyInformation>& keys)
+{
+    WTF_LOG(Media, "MediaKeySession(%p)::keysChange with %zu keys", this, keys.size());

[ddorwin, 2015/01/17 00:34:56]

nit: should log the bool too

[jrummell, 2015/01/20 19:46:34]

Done.

+
+    RefPtrWillBeRawPtr<Event> event = Event::create(EventTypeNames::keyschange);
+    event->setTarget(this);
+    m_asyncEventQueue->enqueueEvent(event.release());
+
+    // FIXME: Attempt to resume playback if |hasAdditionalUsableKey| is true.
+    // http://crbug.com/413413
+
+    // FIXME: Copy |keys| or whatever is necessary for keyStatuses.

[ddorwin, 2015/01/17 00:34:56]

nit: clarify that this is "the keyStatuses attribute."

[jrummell, 2015/01/20 19:46:34]

Done.

+    // http://crbug.com/432671
+}
+
 const AtomicString& MediaKeySession::interfaceName() const
 {
     return EventTargetNames::MediaKeySession;
 }
 
 ExecutionContext* MediaKeySession::executionContext() const
 {
     return ActiveDOMObject::executionContext();
 }
 
@@ skipping 29 matching lines @@
 {
     visitor->trace(m_asyncEventQueue);
     visitor->trace(m_pendingActions);
     visitor->trace(m_mediaKeys);
     visitor->trace(m_closedPromise);
     RefCountedGarbageCollectedEventTargetWithInlineData<MediaKeySession>::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink