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// 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.
#ifndef CONTENT_RENDERER_MEDIA_ANDROID_PROXY_MEDIA_KEYS_H_
#define CONTENT_RENDERER_MEDIA_ANDROID_PROXY_MEDIA_KEYS_H_
#include "base/basictypes.h"
#include "media/base/media_keys.h"
class GURL;
namespace content {
class RendererMediaPlayerManager;
// A MediaKeys proxy that wraps the EME part of RendererMediaPlayerManager.
// TODO(xhwang): Instead of accessing RendererMediaPlayerManager directly, let
// RendererMediaPlayerManager return a MediaKeys object that can be used by
// ProxyDecryptor directly. Then we can remove this class!
class ProxyMediaKeys : public media::MediaKeys {
public:
static scoped_ptr<ProxyMediaKeys> Create(
const std::string& key_system,
const GURL& security_origin,
RendererMediaPlayerManager* manager,
const media::SessionCreatedCB& session_created_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);
virtual ~ProxyMediaKeys();
// MediaKeys implementation.
virtual bool CreateSession(uint32 session_id,
const std::string& content_type,
const uint8* init_data,
int init_data_length) OVERRIDE;
virtual void LoadSession(uint32 session_id,
const std::string& web_session_id) OVERRIDE;
virtual void UpdateSession(uint32 session_id,
const uint8* response,
int response_length) OVERRIDE;
virtual void ReleaseSession(uint32 session_id) OVERRIDE;
// Callbacks.
void OnSessionCreated(uint32 session_id, const std::string& web_session_id);
void OnSessionMessage(uint32 session_id,
const std::vector<uint8>& message,
const std::string& destination_url);
void OnSessionReady(uint32 session_id);
void OnSessionClosed(uint32 session_id);
void OnSessionError(uint32 session_id,
media::MediaKeys::KeyError error_code,
uint32 system_code);
int GetCdmId() const;
private:
ProxyMediaKeys(RendererMediaPlayerManager* manager,
const media::SessionCreatedCB& session_created_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);
void InitializeCdm(const std::string& key_system,
const GURL& security_origin);
// CDM ID should be unique per renderer process.
// TODO(xhwang): Use uint32 to prevent undefined overflow behavior.
static int next_cdm_id_;
RendererMediaPlayerManager* manager_;
int cdm_id_;
media::SessionCreatedCB session_created_cb_;
media::SessionMessageCB session_message_cb_;
media::SessionReadyCB session_ready_cb_;
media::SessionClosedCB session_closed_cb_;
media::SessionErrorCB session_error_cb_;
DISALLOW_COPY_AND_ASSIGN(ProxyMediaKeys);
};
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_ANDROID_PROXY_MEDIA_KEYS_H_
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