Add isCancelled method to Downloader

Author: adazem009

src/internal/downloader.cpp

@@ -33,6 +33,14 @@ void Downloader::wait()
     }
 }
 
+bool Downloader::isCancelled() const
+{
+    if (!m_asyncResponse)
+        return false;
+
+    return m_asyncResponse->IsCancelled();
+}
+
 const std::string &Downloader::text() const
 {
     return m_response.text;

src/internal/downloader.h

@@ -19,6 +19,7 @@ class Downloader : public IDownloader
         void cancel() override;
         void wait() override;
 
+        bool isCancelled() const override;
         const std::string &text() const override;
 
     private:

src/internal/idownloader.h

@@ -16,6 +16,7 @@ class IDownloader
         virtual void cancel() = 0;
         virtual void wait() = 0;
 
+        virtual bool isCancelled() const = 0;
         virtual const std::string &text() const = 0;
 };