3 files changed, 11 insertions, 3 deletions
diff --git a/src/core/model/GFDataExchanger.h b/src/core/model/GFDataExchanger.h
index dca27b0e..1082b011 100644
--- a/src/core/model/GFDataExchanger.h
+++ b/src/core/model/GFDataExchanger.h
@@ -28,10 +28,14 @@
 
 #pragma once
 
+#include <cstddef>
 #include <queue>
 
 namespace GpgFrontend {
 
+constexpr ssize_t kDataExchangerSize =
+    static_cast<const ssize_t>(1024 * 1024 * 8);  // 8 MB
+
 class GFDataExchanger {
  public:
   explicit GFDataExchanger(ssize_t size);
@@ -50,4 +54,8 @@ class GFDataExchanger {
   std::atomic_bool close_ = false;
 };
 
+inline auto CreateStandardGFDataExchanger() -> QSharedPointer<GFDataExchanger> {
+  return QSharedPointer<GFDataExchanger>::create(kDataExchangerSize);
+}
+
 }  // namespace GpgFrontend
 \ No newline at end of file
diff --git a/src/core/model/GpgData.cpp b/src/core/model/GpgData.cpp
index 34992b9b..7453ae48 100644
--- a/src/core/model/GpgData.cpp
+++ b/src/core/model/GpgData.cpp
@@ -104,7 +104,7 @@ GpgData::GpgData(const QString& path, bool read) {
   data_ref_ = std::unique_ptr<struct gpgme_data, DataRefDeleter>(data);
 }
 
-GpgData::GpgData(std::shared_ptr<GFDataExchanger> ex)
+GpgData::GpgData(QSharedPointer<GFDataExchanger> ex)
     : data_cbs_(), data_ex_(std::move(ex)) {
   gpgme_data_t data;
 
diff --git a/src/core/model/GpgData.h b/src/core/model/GpgData.h
index ed56d0da..7f1d74c4 100644
--- a/src/core/model/GpgData.h
+++ b/src/core/model/GpgData.h
@@ -71,7 +71,7 @@ class GPGFRONTEND_CORE_EXPORT GpgData {
    *
    * @param fd
    */
-  explicit GpgData(std::shared_ptr<GFDataExchanger>);
+  explicit GpgData(QSharedPointer<GFDataExchanger>);
 
   /**
    * @brief Construct a new Gpg Data object
@@ -124,7 +124,7 @@ class GPGFRONTEND_CORE_EXPORT GpgData {
   int fd_ = -1;
 
   struct gpgme_data_cbs data_cbs_;
-  std::shared_ptr<GFDataExchanger> data_ex_;
+  QSharedPointer<GFDataExchanger> data_ex_;
 };
 
 }  // namespace GpgFrontend