45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
|
// ----------------------------------------------------------------------------
|
||
|
|
// - Open3D: www.open3d.org -
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// Copyright (c) 2018-2023 www.open3d.org
|
||
|
|
// SPDX-License-Identifier: MIT
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <functional>
|
||
|
|
#include <memory>
|
||
|
|
|
||
|
|
namespace open3d {
|
||
|
|
namespace visualization {
|
||
|
|
namespace gui {
|
||
|
|
|
||
|
|
class Task {
|
||
|
|
public:
|
||
|
|
/// Runs \param f in another thread. \p f may want to call
|
||
|
|
/// Application::PostToMainThread() to communicate the results.
|
||
|
|
Task(std::function<void()> f);
|
||
|
|
|
||
|
|
Task(const Task&) = delete;
|
||
|
|
Task& operator=(const Task& other) = delete;
|
||
|
|
|
||
|
|
/// Will call WaitToFinish(), which may block.
|
||
|
|
~Task();
|
||
|
|
|
||
|
|
void Run();
|
||
|
|
|
||
|
|
bool IsFinished() const;
|
||
|
|
|
||
|
|
/// This must be called for all tasks eventually or the process will not
|
||
|
|
/// exit.
|
||
|
|
void WaitToFinish();
|
||
|
|
|
||
|
|
private:
|
||
|
|
struct Impl;
|
||
|
|
std::unique_ptr<Impl> impl_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace gui
|
||
|
|
} // namespace visualization
|
||
|
|
} // namespace open3d
|