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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/base/cdm_callback_promise.h"
#include "base/callback_helpers.h"
#include "base/logging.h"
namespace media {
template <typename... T>
CdmCallbackPromise<T...>::CdmCallbackPromise(
const base::Callback<void(const T&...)>& resolve_cb,
const PromiseRejectedCB& reject_cb)
: resolve_cb_(resolve_cb), reject_cb_(reject_cb) {
DCHECK(!resolve_cb_.is_null());
DCHECK(!reject_cb_.is_null());
}
template <typename... T>
CdmCallbackPromise<T...>::~CdmCallbackPromise() {
if (IsPromiseSettled())
return;
DCHECK(!resolve_cb_.is_null() && !reject_cb_.is_null());
RejectPromiseOnDestruction();
}
template <typename... T>
void CdmCallbackPromise<T...>::resolve(const T&... result) {
MarkPromiseSettled();
base::ResetAndReturn(&resolve_cb_).Run(result...);
}
template <typename... T>
void CdmCallbackPromise<T...>::reject(MediaKeys::Exception exception_code,
uint32_t system_code,
const std::string& error_message) {
MarkPromiseSettled();
base::ResetAndReturn(&reject_cb_)
.Run(exception_code, system_code, error_message);
}
// Explicit template instantiation for the Promises needed.
template class MEDIA_EXPORT CdmCallbackPromise<>;
template class MEDIA_EXPORT CdmCallbackPromise<std::string>;
} // namespace media
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