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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_WEBCONTENTDECRYPTIONMODULE_IMPL_H_
#define CONTENT_RENDERER_MEDIA_WEBCONTENTDECRYPTIONMODULE_IMPL_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/strings/string16.h"
#include "third_party/WebKit/public/platform/WebContentDecryptionModule.h"
namespace blink {
#if defined(ENABLE_PEPPER_CDMS)
class WebLocalFrame;
#endif
class WebSecurityOrigin;
}
namespace media {
class Decryptor;
class MediaKeys;
}
namespace content {
class CdmSessionAdapter;
#if defined(ENABLE_BROWSER_CDMS)
class RendererCdmManager;
#endif
class WebContentDecryptionModuleSessionImpl;
class WebContentDecryptionModuleImpl
: public blink::WebContentDecryptionModule {
public:
static WebContentDecryptionModuleImpl* Create(
#if defined(ENABLE_PEPPER_CDMS)
blink::WebLocalFrame* frame,
#elif defined(ENABLE_BROWSER_CDMS)
RendererCdmManager* manager,
#endif
const blink::WebSecurityOrigin& security_origin,
const base::string16& key_system);
virtual ~WebContentDecryptionModuleImpl();
// Returns the Decryptor associated with this CDM. May be NULL if no
// Decryptor associated with the MediaKeys object.
// TODO(jrummell): Figure out lifetimes, as WMPI may still use the decryptor
// after WebContentDecryptionModule is freed. http://crbug.com/330324
media::Decryptor* GetDecryptor();
#if defined(ENABLE_BROWSER_CDMS)
// Returns the CDM ID associated with this object. May be kInvalidCdmId if no
// CDM ID is associated, such as when Clear Key is used.
int GetCdmId() const;
#endif // defined(ENABLE_BROWSER_CDMS)
// blink::WebContentDecryptionModule implementation.
virtual blink::WebContentDecryptionModuleSession* createSession();
// TODO(jrummell): Remove this method once blink updated.
virtual blink::WebContentDecryptionModuleSession* createSession(
blink::WebContentDecryptionModuleSession::Client* client);
private:
// Takes reference to |adapter|.
WebContentDecryptionModuleImpl(scoped_refptr<CdmSessionAdapter> adapter);
scoped_refptr<CdmSessionAdapter> adapter_;
DISALLOW_COPY_AND_ASSIGN(WebContentDecryptionModuleImpl);
};
// Allow typecasting from blink type as this is the only implementation.
inline WebContentDecryptionModuleImpl* ToWebContentDecryptionModuleImpl(
blink::WebContentDecryptionModule* cdm) {
return static_cast<WebContentDecryptionModuleImpl*>(cdm);
}
} // namespace content
#endif // CONTENT_RENDERER_MEDIA_WEBCONTENTDECRYPTIONMODULE_IMPL_H_
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