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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.
#include "media/mojo/services/mojo_cdm_service.h"
#include "base/bind.h"
#include "media/base/key_systems.h"
#include "media/cdm/aes_decryptor.h"
#include "media/mojo/services/mojo_cdm_promise.h"
#include "mojo/common/common_type_converters.h"
namespace media {
typedef MojoCdmPromise<> SimpleMojoCdmPromise;
typedef MojoCdmPromise<std::string> NewSessionMojoCdmPromise;
typedef MojoCdmPromise<std::vector<std::vector<uint8_t>>> KeyIdsMojoCdmPromise;
MojoCdmService::MojoCdmService(const mojo::String& key_system)
: weak_factory_(this) {
base::WeakPtr<MojoCdmService> weak_this = weak_factory_.GetWeakPtr();
if (CanUseAesDecryptor(key_system)) {
cdm_.reset(new AesDecryptor(
base::Bind(&MojoCdmService::OnSessionMessage, weak_this),
base::Bind(&MojoCdmService::OnSessionClosed, weak_this),
base::Bind(&MojoCdmService::OnSessionKeysChange, weak_this)));
}
// TODO(xhwang): Check key system support in the app.
NOTREACHED();
}
MojoCdmService::~MojoCdmService() {
}
// mojo::MediaRenderer implementation.
void MojoCdmService::SetServerCertificate(
mojo::Array<uint8_t> certificate_data,
const mojo::Callback<void(mojo::CdmPromiseResultPtr)>& callback) {
const std::vector<uint8_t>& certificate_data_vector =
certificate_data.storage();
cdm_->SetServerCertificate(
certificate_data_vector.empty() ? nullptr : &certificate_data_vector[0],
certificate_data_vector.size(),
scoped_ptr<SimpleCdmPromise>(new SimpleMojoCdmPromise(callback)));
}
void MojoCdmService::CreateSession(
const mojo::String& init_data_type,
mojo::Array<uint8_t> init_data,
mojo::ContentDecryptionModule::SessionType session_type,
const mojo::Callback<void(mojo::CdmPromiseResultPtr, mojo::String)>&
callback) {
const std::vector<uint8_t>& init_data_vector = init_data.storage();
cdm_->CreateSession(
init_data_type.To<std::string>(),
init_data_vector.empty() ? nullptr : &init_data_vector[0],
init_data_vector.size(),
static_cast<MediaKeys::SessionType>(session_type),
scoped_ptr<NewSessionCdmPromise>(new NewSessionMojoCdmPromise(callback)));
}
void MojoCdmService::LoadSession(
const mojo::String& session_id,
const mojo::Callback<void(mojo::CdmPromiseResultPtr, mojo::String)>&
callback) {
cdm_->LoadSession(
session_id.To<std::string>(),
scoped_ptr<NewSessionCdmPromise>(new NewSessionMojoCdmPromise(callback)));
}
void MojoCdmService::UpdateSession(
const mojo::String& session_id,
mojo::Array<uint8_t> response,
const mojo::Callback<void(mojo::CdmPromiseResultPtr)>& callback) {
const std::vector<uint8_t>& response_vector = response.storage();
cdm_->UpdateSession(
session_id.To<std::string>(),
response_vector.empty() ? nullptr : &response_vector[0],
response_vector.size(),
scoped_ptr<SimpleCdmPromise>(new SimpleMojoCdmPromise(callback)));
}
void MojoCdmService::CloseSession(
const mojo::String& session_id,
const mojo::Callback<void(mojo::CdmPromiseResultPtr)>& callback) {
cdm_->CloseSession(
session_id.To<std::string>(),
scoped_ptr<SimpleCdmPromise>(new SimpleMojoCdmPromise(callback)));
}
void MojoCdmService::RemoveSession(
const mojo::String& session_id,
const mojo::Callback<void(mojo::CdmPromiseResultPtr)>& callback) {
cdm_->RemoveSession(
session_id.To<std::string>(),
scoped_ptr<SimpleCdmPromise>(new SimpleMojoCdmPromise(callback)));
}
void MojoCdmService::GetCdmContext(
int32_t cdm_id,
mojo::InterfaceRequest<mojo::Decryptor> decryptor) {
NOTIMPLEMENTED();
}
void MojoCdmService::OnSessionMessage(const std::string& session_id,
const std::vector<uint8_t>& message,
const GURL& destination_url) {
client()->OnSessionMessage(session_id, mojo::Array<uint8_t>::From(message),
mojo::String::From(destination_url));
}
void MojoCdmService::OnSessionKeysChange(const std::string& session_id,
bool has_additional_usable_key) {
client()->OnSessionKeysChange(session_id, has_additional_usable_key);
}
void MojoCdmService::OnSessionExpirationUpdate(
const std::string& session_id,
const base::Time& new_expiry_time) {
client()->OnSessionExpirationUpdate(session_id,
new_expiry_time.ToInternalValue());
}
void MojoCdmService::OnSessionReady(const std::string& session_id) {
client()->OnSessionReady(session_id);
}
void MojoCdmService::OnSessionClosed(const std::string& session_id) {
client()->OnSessionClosed(session_id);
}
void MojoCdmService::OnSessionError(const std::string& session_id,
MediaKeys::Exception exception,
uint32_t system_code,
const std::string& error_message) {
client()->OnSessionError(session_id,
static_cast<mojo::CdmException>(exception),
system_code, error_message);
}
} // namespace media
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