Rename http folder to backend to better align with the classes inside

app/backend/boxartmanager.h

@@ -0,0 +1,73 @@
+#pragma once
+
+#include "computermanager.h"
+#include <QDir>
+#include <QImage>
+#include <QThreadPool>
+#include <QRunnable>
+
+class BoxArtManager : public QObject
+{
+    Q_OBJECT
+
+    friend class NetworkBoxArtLoadTask;
+
+public:
+    explicit BoxArtManager(QObject *parent = nullptr);
+
+    QImage
+    loadBoxArt(NvComputer* computer, NvApp& app);
+
+signals:
+    void
+    boxArtLoadComplete(NvComputer* computer, NvApp app, QImage image);
+
+public slots:
+
+private slots:
+    void
+    handleBoxArtLoadComplete(NvComputer* computer, NvApp app, QImage image);
+
+private:
+    QImage
+    loadBoxArtFromNetwork(NvComputer* computer, int appId);
+
+    QString
+    getFilePathForBoxArt(NvComputer* computer, int appId);
+
+    QDir m_BoxArtDir;
+    QImage m_PlaceholderImage;
+};
+
+class NetworkBoxArtLoadTask : public QObject, public QRunnable
+{
+    Q_OBJECT
+
+public:
+    NetworkBoxArtLoadTask(BoxArtManager* boxArtManager, NvComputer* computer, NvApp& app)
+        : m_Bam(boxArtManager),
+          m_Computer(computer),
+          m_App(app)
+    {
+        connect(this, SIGNAL(boxArtFetchCompleted(NvComputer*,NvApp,QImage)),
+                boxArtManager, SLOT(handleBoxArtLoadComplete(NvComputer*,NvApp,QImage)));
+    }
+
+signals:
+    void boxArtFetchCompleted(NvComputer* computer, NvApp app, QImage image);
+
+private:
+    void run()
+    {
+        QImage image = m_Bam->loadBoxArtFromNetwork(m_Computer, m_App.id);
+        if (image.isNull()) {
+            // Give it another shot if it fails once
+            image = m_Bam->loadBoxArtFromNetwork(m_Computer, m_App.id);
+        }
+        emit boxArtFetchCompleted(m_Computer, m_App, image);
+    }
+
+    BoxArtManager* m_Bam;
+    NvComputer* m_Computer;
+    NvApp m_App;
+};