spark-store-project/spark-store
14
0
Fork 0
mirror of https://gitee.com/spark-store-project/spark-store synced 2025-07-20 20:42:21 +08:00
Code Issues1 Packages Projects Releases Wiki Activity

fix: downloadController 修改为懒汉式单例

Browse Source
This commit is contained in:
uniartisan 2023-02-19 00:45:17 +08:00
parent 33ea9ee065
commit 3f2404ec1c
1 changed files with 12 additions and 3 deletions

15
src/widgets/downloadlistwidget.cpp

@ -5,6 +5,8 @@
#include <QDebug>
#include <QtConcurrent>
DownloadListWidget::DownloadListWidget(QWidget *parent) : DBlurEffectWidget(parent),
ui(new Ui::DownloadListWidget)
{
@ -58,7 +60,7 @@ DownloadListWidget::~DownloadListWidget()
{
downloadController->disconnect();
downloadController->stopDownload();
downloadController->deleteLater();
// 这里没有释放 downloadController，使用懒汉式单例
}
clearItem();
@ -116,13 +118,20 @@ void DownloadListWidget::startRequest(QUrl url, QString fileName)
isdownload = true;
downloaditemlist[allDownload - 1]->free = false;
// 使用懒汉式单例来存储downloadController
if (downloadController == nullptr)
{
downloadController = new DownloadController; // 并发下载，在第一次点击下载按钮的时候才会初始化
}
if (downloadController)
{
downloadController->disconnect();
downloadController->stopDownload();
downloadController->deleteLater();
}
downloadController = new DownloadController; // 并发下载，在点击下载按钮的时候才会初始化
connect(downloadController, &DownloadController::downloadProcess, this, &DownloadListWidget::updateDataReadProgress);
connect(downloadController, &DownloadController::downloadFinished, this, &DownloadListWidget::httpFinished);
// connect(downloadController, &DownloadController::errorOccur, this, [=](QString msg){this->sendNotification(msg);});