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// Copyright (c) 2012 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 PPAPI_CPP_PRIVATE_CONTENT_DECRYPTOR_PRIVATE_H_
#define PPAPI_CPP_PRIVATE_CONTENT_DECRYPTOR_PRIVATE_H_
#include "ppapi/c/private/pp_content_decryptor.h"
#include "ppapi/c/private/ppb_content_decryptor_private.h"
#include "ppapi/c/private/ppp_content_decryptor_private.h"
#include "ppapi/cpp/dev/buffer_dev.h"
#include "ppapi/cpp/instance_handle.h"
#include "ppapi/cpp/var.h"
#include "ppapi/cpp/var_array_buffer.h"
namespace pp {
class Instance;
class ContentDecryptor_Private {
public:
explicit ContentDecryptor_Private(Instance* instance);
virtual ~ContentDecryptor_Private();
// PPP_ContentDecryptor_Private functions exposed as virtual functions
// for you to override.
// TODO(tomfinegan): This could be optimized to pass pp::Var instead of
// strings. The change would allow the CDM wrapper to reuse vars when
// replying to the browser.
virtual bool GenerateKeyRequest(const std::string& key_system,
pp::VarArrayBuffer init_data) = 0;
virtual bool AddKey(const std::string& session_id,
pp::VarArrayBuffer key,
pp::VarArrayBuffer init_data) = 0;
virtual bool CancelKeyRequest(const std::string& session_id) = 0;
virtual bool Decrypt(pp::Buffer_Dev encrypted_buffer,
const PP_EncryptedBlockInfo& encrypted_block_info) = 0;
virtual bool DecryptAndDecode(
pp::Buffer_Dev encrypted_buffer,
const PP_EncryptedBlockInfo& encrypted_block_info) = 0;
// PPB_ContentDecryptor_Private methods for passing data from the decryptor
// to the browser.
void NeedKey(const std::string& key_system,
const std::string& session_id,
pp::VarArrayBuffer init_data);
void KeyAdded(const std::string& key_system,
const std::string& session_id);
void KeyMessage(const std::string& key_system,
const std::string& session_id,
pp::Buffer_Dev message,
const std::string& default_url);
void KeyError(const std::string& key_system,
const std::string& session_id,
int32_t media_error,
int32_t system_code);
void DeliverBlock(pp::Buffer_Dev decrypted_block,
const PP_DecryptedBlockInfo& decrypted_block_info);
void DeliverFrame(pp::Buffer_Dev decrypted_frame,
const PP_DecryptedBlockInfo& decrypted_block_info);
void DeliverSamples(pp::Buffer_Dev decrypted_samples,
const PP_DecryptedBlockInfo& decrypted_block_info);
private:
InstanceHandle associated_instance_;
};
} // namespace pp
#endif // PPAPI_CPP_PRIVATE_CONTENT_DECRYPTOR_PRIVATE_H_
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