10493bd44a
This avoids them getting deleted when the worker thread exits, due to thread affinity on the created thread. Signed-off-by: flow <flowlnlnln@gmail.com>
73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
#pragma once
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#include <QDir>
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#include <QMap>
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#include <QObject>
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#include <QThread>
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#include <memory>
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#include "minecraft/mod/Resource.h"
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#include "tasks/Task.h"
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/** Very simple task that just loads a folder's contents directly.
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*/
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class BasicFolderLoadTask : public Task {
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Q_OBJECT
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public:
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struct Result {
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QMap<QString, Resource::Ptr> resources;
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};
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using ResultPtr = std::shared_ptr<Result>;
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[[nodiscard]] ResultPtr result() const { return m_result; }
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public:
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BasicFolderLoadTask(QDir dir) : Task(nullptr, false), m_dir(dir), m_result(new Result), m_thread_to_spawn_into(thread())
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{
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m_create_func = [](QFileInfo const& entry) -> Resource* {
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return new Resource(entry);
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};
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}
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BasicFolderLoadTask(QDir dir, std::function<Resource*(QFileInfo const&)> create_function)
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: Task(nullptr, false), m_dir(dir), m_result(new Result), m_create_func(std::move(create_function)), m_thread_to_spawn_into(thread())
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{}
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[[nodiscard]] bool canAbort() const override { return true; }
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bool abort() override
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{
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m_aborted.store(true);
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return true;
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}
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void executeTask() override
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{
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if (thread() != m_thread_to_spawn_into)
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connect(this, &Task::finished, this->thread(), &QThread::quit);
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m_dir.refresh();
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for (auto entry : m_dir.entryInfoList()) {
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auto resource = m_create_func(entry);
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resource->moveToThread(m_thread_to_spawn_into);
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m_result->resources.insert(resource->internal_id(), resource);
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}
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if (m_aborted)
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emit finished();
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else
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emitSucceeded();
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}
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private:
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QDir m_dir;
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ResultPtr m_result;
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std::atomic<bool> m_aborted = false;
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std::function<Resource*(QFileInfo const&)> m_create_func;
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/** This is the thread in which we should put new mod objects */
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QThread* m_thread_to_spawn_into;
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};
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