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49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
// Copyright 2021 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_API_TIMER_H_
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#define PLATFORM_API_TIMER_H_
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#include "absl/functional/any_invocable.h"
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namespace nearby {
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namespace api {
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class Timer {
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public:
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virtual ~Timer() = default;
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// Creates a timer based on interval.
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//
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// @param delay The amount of time in milliseconds relative to the current
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// time that must elapse before the timer is signaled for the first
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// time.
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// @param interval The period of the timer, in milliseconds. If this parameter
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// is zero, the timer is signaled once.
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// @param callback it will be called when timer signaled.
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//
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// @return return true if success, otherwise false
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virtual bool Create(int delay, int interval,
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absl::AnyInvocable<void()> callback) = 0;
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// Stops timer. No timer signal is sent after the call.
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virtual bool Stop() = 0;
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virtual bool FireNow() = 0;
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};
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} // namespace api
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} // namespace nearby
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#endif // PLATFORM_API_TIMER_H_
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