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// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef PLATFORM_IMPL_WINDOWS_CANCELABLE_H_
#define PLATFORM_IMPL_WINDOWS_CANCELABLE_H_
#include <windows.h>
#include "platform/api/cancelable.h"
namespace location {
namespace nearby {
namespace windows {
// An interface to provide a cancellation mechanism for objects that represent
// long-running operations.
class Cancelable : public api::Cancelable {
public:
Cancelable(HANDLE handle) : handle_(handle) {}
~Cancelable() override = default;
bool Cancel() override {
if (CancelWaitableTimer(handle_)) {
CloseHandle(handle_);
return true;
}
return false;
};
private:
HANDLE handle_;
};
} // namespace windows
} // namespace nearby
} // namespace location
#endif // PLATFORM_IMPL_WINDOWS_CANCELABLE_H_