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