Stop download of thumbnail if the thumbnail is no longer visible on the screen

1 files changed, 11 insertions, 9 deletions

diff --git a/include/AsyncImageLoader.hpp b/include/AsyncImageLoader.hpp
index 77fd5b4..94b225d 100644
--- a/include/AsyncImageLoader.hpp
+++ b/include/AsyncImageLoader.hpp
@@ -54,6 +54,15 @@ namespace QuickMedia {
         // Note: this method is not thread-safe
         void update();
     private:
+        struct Download {
+            ReadProgram read_program;
+            int64_t download_start = 0;
+            Path thumbnail_path;
+            std::shared_ptr<ThumbnailData> thumbnail_data;
+            sf::Vector2i resize_target_size;
+            std::string url;
+        };
+
         AsyncImageLoader();
         ~AsyncImageLoader();
         AsyncImageLoader(AsyncImageLoader &other) = delete;
@@ -65,16 +74,9 @@ namespace QuickMedia {
 
         // Returns -1 if all threads are busy
         int get_free_load_index() const;
-    private:
-        struct Download {
-            ReadProgram read_program;
-            int64_t download_start = 0;
-            Path thumbnail_path;
-            std::shared_ptr<ThumbnailData> thumbnail_data;
-            sf::Vector2i resize_target_size;
-            std::string url;
-        };
 
+        void reset_download(Download &download);
+    private:
         std::mutex download_mutex;
         // TODO: Use curl single-threaded multi-download feature instead
         Download downloads[NUM_IMAGE_LOAD_PARALLEL];