41 lines
795 B
C++
41 lines
795 B
C++
#include "async_task_impl.hpp"
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#include <mbgl/util/async_task.hpp>
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#include <mbgl/util/run_loop.hpp>
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#include <cassert>
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namespace mbgl {
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namespace util {
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AsyncTask::Impl::Impl(std::function<void()>&& fn)
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: runLoop(RunLoop::Get()),
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task(std::move(fn)) {
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connect(this, &AsyncTask::Impl::send, this, &AsyncTask::Impl::runTask, Qt::QueuedConnection);
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}
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void AsyncTask::Impl::maySend() {
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if (!queued.test_and_set()) {
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emit send();
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}
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}
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void AsyncTask::Impl::runTask() {
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assert(runLoop == RunLoop::Get());
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queued.clear();
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task();
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}
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AsyncTask::AsyncTask(std::function<void()>&& fn)
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: impl(std::make_unique<Impl>(std::move(fn))) {}
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AsyncTask::~AsyncTask() {}
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void AsyncTask::send() {
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impl->maySend();
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}
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} // namespace util
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} // namespace mbgl
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