Add CachedNetworkAccessManager and CachedNetworkAccessManagerFactory (#…

…24)
zhulik · Jul 13, 2023 · 6eabcd6 · 6eabcd6
1 parent e99aff3
commit 6eabcd6
Show file tree

Hide file tree

Showing 4 changed files with 60 additions and 2 deletions.
diff --git a/resources/qml/Header.qml b/resources/qml/Header.qml
@@ -37,13 +37,25 @@ ToolBar {
             iconName: "bug"
             Layout.alignment: Qt.AlignRight
             onClicked: {
-                console.log(qmlEngine)
+                var http = new XMLHttpRequest()
+                http.open("GET", "https://google.com")
+
+                http.onreadystatechange = function () {
+                    // Call a function when the state changes.
+                    if (http.readyState == 4) {
+                        if (http.status == 200) {
+                            console.log("ok")
+                        } else {
+                            console.log("error: " + http.status)
+                        }
+                    }
+                }
+                http.send()
             }
         }
 
         ToolSeparator {}
 
-
         MDI.Button {
             iconName: "windowClose"
             Layout.alignment: Qt.AlignRight

diff --git a/src/application.cpp b/src/application.cpp
@@ -6,13 +6,15 @@
 #include <QtQuickControls2/QQuickStyle>
 
 #include "application.h"
+#include "cachednetworkaccessmanager.h"
 #include "cachethumbnailimageprovider.h"
 #include "diskcache.h"
 #include "folderlistmodel.h"
 #include "fshelpers.h"
 
 #include "QSteamworks/errors.h"
 #include "QSteamworks/steamapi.h"
+#include "qnetworkaccessmanager.h"
 
 Application::Application(int &argc, char **argv) : QGuiApplication{argc, argv} {
   setOrganizationName("zhulik");
@@ -42,6 +44,7 @@ Application::Application(int &argc, char **argv) : QGuiApplication{argc, argv} {
   m_engine->rootContext()->setContextProperty("steamAPI", m_steamworks);
 
   m_engine->addImageProvider("cache_thumbnail", cacheThumbnailImageProvider);
+  m_engine->setNetworkAccessManagerFactory(new CachedNetworkAccessManagerFactory());
 
   if (m_steamworks != nullptr) {
     auto callbackTimer = new QTimer(m_engine);

diff --git a/src/cachednetworkaccessmanager.cpp b/src/cachednetworkaccessmanager.cpp
@@ -0,0 +1,27 @@
+#include "cachednetworkaccessmanager.h"
+
+#include <QDir>
+#include <QNetworkDiskCache>
+#include <QStandardPaths>
+
+CachedNetworkAccessManager::CachedNetworkAccessManager(QObject *parent) : QNetworkAccessManager{parent} {
+  auto diskCache = new QNetworkDiskCache(this);
+
+  auto root = QDir(QStandardPaths::standardLocations(QStandardPaths::CacheLocation)[0]);
+  root.mkpath("network");
+  root.cd("network");
+
+  diskCache->setCacheDirectory(root.absolutePath());
+  setCache(diskCache);
+}
+
+QNetworkReply *CachedNetworkAccessManager::createRequest(Operation op, const QNetworkRequest &req,
+                                                         QIODevice *outgoingData) {
+  QNetworkRequest request(req);
+  request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
+  return QNetworkAccessManager::createRequest(op, request, outgoingData);
+}
+
+QNetworkAccessManager *CachedNetworkAccessManagerFactory::create(QObject *parent) {
+  return new CachedNetworkAccessManager(parent);
+}
diff --git a/src/cachednetworkaccessmanager.h b/src/cachednetworkaccessmanager.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#include <QNetworkAccessManager>
+#include <QQmlNetworkAccessManagerFactory>
+
+class CachedNetworkAccessManagerFactory : public QQmlNetworkAccessManagerFactory {
+  virtual QNetworkAccessManager *create(QObject *parent) override;
+};
+
+class CachedNetworkAccessManager : public QNetworkAccessManager {
+  Q_OBJECT
+public:
+  CachedNetworkAccessManager(QObject *parent = nullptr);
+
+  virtual QNetworkReply *createRequest(Operation op, const QNetworkRequest &req, QIODevice *outgoingData) override;
+};