qt: add cache property to RoundImage

modules/gui/qt/widgets/native/roundimage.cpp

@@ -231,6 +231,11 @@ RoundImageRequest::~RoundImageRequest()
     g_imageCache.removeRequest(m_key);
 }
 
+void RoundImageRequest::saveInCache()
+{
+    m_saveInCache = true;
+}
+
 void RoundImageRequest::handleImageResponseFinished()
 {
     m_cancelOnDelete = false;
@@ -255,7 +260,8 @@ void RoundImageRequest::handleImageResponseFinished()
 
     image.setDevicePixelRatio(m_dpr);
 
-    g_imageCache.insert(m_key, new QImage(image), image.sizeInBytes());
+    if (m_saveInCache)
+        g_imageCache.insert(m_key, new QImage(image), image.sizeInBytes());
     emit requestCompleted(RoundImage::Status::Ready, image);
 }
 
@@ -416,6 +422,11 @@ RoundImage::Status RoundImage::status() const
     return m_status;
 }
 
+bool RoundImage::cache() const
+{
+    return m_cache;
+}
+
 void RoundImage::setSource(const QUrl& source)
 {
     if (m_source == source)
@@ -435,6 +446,14 @@ void RoundImage::setRadius(qreal radius)
     emit radiusChanged(m_radius);
 }
 
+void RoundImage::setCache(bool cache)
+{
+    if (m_cache == cache)
+        return;
+    m_cache = cache;
+    emit cacheChanged();
+}
+
 void RoundImage::itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &value)
 {
     if (change == QQuickItem::ItemDevicePixelRatioHasChanged)
@@ -479,6 +498,9 @@ void RoundImage::load()
         return;
     }
 
+    if (m_cache)
+        m_activeImageResponse->saveInCache();
+
     connect(m_activeImageResponse.get(), &RoundImageRequest::requestCompleted, this, &RoundImage::onRequestCompleted);
     //at this point m_activeImageResponse is either in Loading or Error status
     onRequestCompleted(RoundImage::Loading, {});

modules/gui/qt/widgets/native/roundimage.hpp

@@ -42,6 +42,8 @@ class RoundImage : public QQuickItem
 
     Q_PROPERTY(Status status READ status NOTIFY statusChanged FINAL)
 
+    Q_PROPERTY(bool cache READ cache WRITE setCache NOTIFY cacheChanged FINAL)
+
 public:
     enum Status
     {
@@ -61,15 +63,18 @@ public:
     QUrl source() const;
     qreal radius() const;
     Status status() const;
+    bool cache() const;
 
 public slots:
     void setSource(const QUrl& source);
     void setRadius(qreal radius);
+    void setCache(bool cache);
 
 signals:
     void sourceChanged(const QUrl&);
     void radiusChanged(qreal);
     void statusChanged();
+    void cacheChanged();;
 
 protected:
     void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &value) override;
@@ -96,6 +101,7 @@ private:
     QUrl m_source;
     qreal m_radius = 0.0;
     qreal m_dpr = 1.0; // device pixel ratio
+    bool m_cache = true;
 
     QImage m_roundImage;
     std::shared_ptr<RoundImageRequest> m_activeImageResponse;

modules/gui/qt/widgets/native/roundimage_p.hpp

@@ -78,6 +78,8 @@ public:
 
     void handleImageResponseFinished();
 
+    void saveInCache();
+
 signals:
     void requestCompleted(RoundImage::Status status, QImage image);
 
@@ -89,6 +91,7 @@ private:
     qreal m_dpr;
     QQuickImageResponse* m_imageResponse = nullptr;
     RoundImage::Status m_status = RoundImage::Status::Loading;
+    bool m_saveInCache = false;
 };
 
 /**