Merge pull request #4892 from aws-lumberyard-dev/TrackDownloadProgress

Project Manager track progress of, and cancel downloads

Code/Tools/ProjectManager/Source/PythonBindingsInterface.h

@@ -196,7 +196,18 @@ namespace O3DE::ProjectManager
          */
         virtual AZ::Outcome<QVector<GemRepoInfo>, AZStd::string> GetAllGemRepoInfos() = 0;
 
+        /**
+         * Downloads and registers a Gem.
+         * @param gemName the name of the Gem to download
+         * @param gemProgressCallback a callback function that is called with an int percentage download value
+         * @return an outcome with a string error message on failure.
+         */
         virtual AZ::Outcome<void, AZStd::string> DownloadGem(const QString& gemName, std::function<void(int)> gemProgressCallback) = 0;
+
+        /**
+        * Cancels the current download.
+        */
+        virtual void CancelDownload() = 0;
     };
 
     using PythonBindingsInterface = AZ::Interface<IPythonBindings>;