| // 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/check.h" |
| |
| namespace media { |
| |
| template <typename... T> |
| CdmCallbackPromise<T...>::CdmCallbackPromise( |
| base::OnceCallback<void(const T&...)> resolve_cb, |
| PromiseRejectedCB reject_cb) |
| : resolve_cb_(std::move(resolve_cb)), reject_cb_(std::move(reject_cb)) { |
| DCHECK(resolve_cb_); |
| DCHECK(reject_cb_); |
| } |
| |
| template <typename... T> |
| CdmCallbackPromise<T...>::~CdmCallbackPromise() { |
| if (IsPromiseSettled()) |
| return; |
| |
| DCHECK(resolve_cb_ && reject_cb_); |
| RejectPromiseOnDestruction(); |
| } |
| |
| template <typename... T> |
| void CdmCallbackPromise<T...>::resolve(const T&... result) { |
| MarkPromiseSettled(); |
| std::move(resolve_cb_).Run(result...); |
| } |
| |
| template <typename... T> |
| void CdmCallbackPromise<T...>::reject(CdmPromise::Exception exception_code, |
| uint32_t system_code, |
| const std::string& error_message) { |
| MarkPromiseSettled(); |
| std::move(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 |