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// 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_WEBENCRYPTEDMEDIACLIENT_IMPL_H_
#define MEDIA_BLINK_WEBENCRYPTEDMEDIACLIENT_IMPL_H_
#include <string>
#include "base/containers/scoped_ptr_hash_map.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "media/base/media_export.h"
#include "media/blink/key_system_config_selector.h"
#include "third_party/WebKit/public/platform/WebEncryptedMediaClient.h"
namespace blink {
class WebContentDecryptionModuleResult;
struct WebMediaKeySystemConfiguration;
class WebSecurityOrigin;
} // namespace blink
namespace media {
class CdmFactory;
class KeySystems;
class MediaPermission;
class MEDIA_EXPORT WebEncryptedMediaClientImpl
: public blink::WebEncryptedMediaClient {
public:
WebEncryptedMediaClientImpl(CdmFactory* cdm_factory,
MediaPermission* media_permission);
virtual ~WebEncryptedMediaClientImpl();
// WebEncryptedMediaClient implementation.
virtual void requestMediaKeySystemAccess(
blink::WebEncryptedMediaRequest request);
// Create the CDM for |key_system| and |security_origin|. The caller owns
// the created cdm (passed back using |result|).
void CreateCdm(const blink::WebString& key_system,
bool allow_distinctive_identifier,
bool allow_persistent_state,
const blink::WebSecurityOrigin& security_origin,
blink::WebContentDecryptionModuleResult result);
private:
// Report usage of key system to UMA. There are 2 different counts logged:
// 1. The key system is requested.
// 2. The requested key system and options are supported.
// Each stat is only reported once per renderer frame per key system.
class Reporter;
// Complete a requestMediaKeySystemAccess() request with a supported
// accumulated configuration.
void OnRequestSucceeded(
blink::WebEncryptedMediaRequest request,
const blink::WebMediaKeySystemConfiguration& accumulated_configuration);
// Complete a requestMediaKeySystemAccess() request with an error message.
void OnRequestNotSupported(blink::WebEncryptedMediaRequest request,
const blink::WebString& error_message);
// Gets the Reporter for |key_system|. If it doesn't already exist,
// create one.
Reporter* GetReporter(const blink::WebString& key_system);
// Reporter singletons.
base::ScopedPtrHashMap<std::string, scoped_ptr<Reporter>> reporters_;
CdmFactory* cdm_factory_;
KeySystemConfigSelector key_system_config_selector_;
base::WeakPtrFactory<WebEncryptedMediaClientImpl> weak_factory_;
};
} // namespace media
#endif // MEDIA_BLINK_WEBENCRYPTEDMEDIACLIENT_IMPL_H_
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