Hook WebMediaPlayerImpl up to Mojo's HTMLDocumentView.

media/blink/null_encrypted_media_player_support.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 MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_
+#define MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_
+
+#include "media/base/media_export.h"
+#include "media/blink/encrypted_media_player_support.h"
+
+namespace media {
+
+// A "null" implementation of the EncryptedMediaPlayerSupport interface
+// that indicates all key systems are not supported. This makes sure that
+// any attempts to play encrypted content always fail.
+class MEDIA_EXPORT NullEncryptedMediaPlayerSupport
+    : public EncryptedMediaPlayerSupport {
+ public:
+  static scoped_ptr<EncryptedMediaPlayerSupport> Create(
+      blink::WebMediaPlayerClient* client);
+
+  virtual ~NullEncryptedMediaPlayerSupport();
+
+  // Prefixed API methods.
+  virtual blink::WebMediaPlayer::MediaKeyException GenerateKeyRequest(
+      blink::WebLocalFrame* frame,
+      const blink::WebString& key_system,
+      const unsigned char* init_data,
+      unsigned init_data_length) OVERRIDE;
+
+  virtual blink::WebMediaPlayer::MediaKeyException AddKey(
+      const blink::WebString& key_system,
+      const unsigned char* key,
+      unsigned key_length,
+      const unsigned char* init_data,
+      unsigned init_data_length,
+      const blink::WebString& session_id) OVERRIDE;
+
+  virtual blink::WebMediaPlayer::MediaKeyException CancelKeyRequest(
+      const blink::WebString& key_system,
+      const blink::WebString& session_id) OVERRIDE;
+
+
+  // Unprefixed API methods.
+  virtual void SetContentDecryptionModule(
+      blink::WebContentDecryptionModule* cdm) OVERRIDE;
+  virtual void SetContentDecryptionModule(
+      blink::WebContentDecryptionModule* cdm,
+      blink::WebContentDecryptionModuleResult result) OVERRIDE;
+  virtual void SetContentDecryptionModuleSync(
+      blink::WebContentDecryptionModule* cdm) OVERRIDE;
+
+
+  // Callback factory and notification methods used by WebMediaPlayerImpl.
+
+  // Creates a callback that Demuxers can use to signal that the content
+  // requires a key. This method makes sure the callback returned can be safely
+  // invoked from any thread.
+  virtual Demuxer::NeedKeyCB CreateNeedKeyCB() OVERRIDE;
+
+  // Creates a callback that renderers can use to set decryptor
+  // ready callback. This method makes sure the callback returned can be safely
+  // invoked from any thread.
+  virtual SetDecryptorReadyCB CreateSetDecryptorReadyCB() OVERRIDE;
+
+  // Called to inform this object that the media pipeline encountered
+  // and handled a decryption error.
+  virtual void OnPipelineDecryptError() OVERRIDE;
+
+ private:
+  NullEncryptedMediaPlayerSupport();
+
+  DISALLOW_COPY_AND_ASSIGN(NullEncryptedMediaPlayerSupport);
+};
+
+}  // namespace media
+
+#endif  // MEDIA_BLINK_NULL_ENCRYPTED_MEDIA_PLAYER_SUPPORT_H_