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Unified Diff: media/base/cdm_callback_promise.cc

Issue 604283003: Refactor CdmPromise and related classes (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase + override Created 6 years, 2 months ago
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Index: media/base/cdm_callback_promise.cc
diff --git a/media/base/cdm_callback_promise.cc b/media/base/cdm_callback_promise.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7b952ab768cd12f4e06054bd9433334ad2e087fc
--- /dev/null
+++ b/media/base/cdm_callback_promise.cc
@@ -0,0 +1,43 @@
+// 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/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() {
+}
+
+template <typename... T>
+void CdmCallbackPromise<T...>::resolve(const T&... result) {
+ MarkPromiseSettled();
+ resolve_cb_.Run(result...);
+}
+
+template <typename... T>
+void CdmCallbackPromise<T...>::reject(MediaKeys::Exception exception_code,
+ uint32 system_code,
+ const std::string& error_message) {
+ MarkPromiseSettled();
+ 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>;
+template class MEDIA_EXPORT CdmCallbackPromise<KeyIdsVector>;
+
+} // namespace media
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