WiiSave: Move user interaction to UI frontends

Source/Core/Core/HW/WiiSave.cpp

@@ -28,7 +28,6 @@
 #include "Common/FileUtil.h"
 #include "Common/Lazy.h"
 #include "Common/Logging/Log.h"
-#include "Common/MsgHandler.h"
 #include "Common/NandPaths.h"
 #include "Common/StringUtil.h"
 #include "Common/Swap.h"
@@ -520,7 +519,7 @@ bool Copy(Storage* source, Storage* dest)
          Copy("files", source, &Storage::ReadFiles, dest, &Storage::WriteFiles);
 }
 
-bool Import(const std::string& data_bin_path)
+bool Import(const std::string& data_bin_path, std::function<bool()> can_overwrite)
 {
   IOS::HLE::Kernel ios;
   const auto data_bin = MakeDataBinStorage(&ios.GetIOSC(), data_bin_path, "rb");
@@ -531,11 +530,8 @@ bool Import(const std::string& data_bin_path)
     return false;
   }
   const auto nand = MakeNandStorage(ios.GetFS().get(), header->hdr.tid);
-  if (nand->SaveExists() && !AskYesNoT("Save data for this title already exists. Consider backing "
-                                       "up the current data before overwriting.\nOverwrite now?"))
-  {
+  if (nand->SaveExists() && !can_overwrite())
     return false;
-  }
   return Copy(data_bin.get(), nand.get());
 }
 

Source/Core/Core/HW/WiiSave.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <cstddef>
+#include <functional>
 #include <memory>
 #include <string>
 
@@ -37,7 +38,7 @@ StoragePointer MakeDataBinStorage(IOS::HLE::IOSC* iosc, const std::string& path,
 bool Copy(Storage* source, Storage* destination);
 
 /// Import a save into the NAND from a .bin file.
-bool Import(const std::string& data_bin_path);
+bool Import(const std::string& data_bin_path, std::function<bool()> can_overwrite);
 /// Export a save to a .bin file.
 bool Export(u64 tid, const std::string& export_path);
 /// Export all saves that are in the NAND. Returns the number of exported saves.

Source/Core/DolphinQt2/MenuBar.cpp

@@ -958,9 +958,18 @@ void MenuBar::ImportWiiSave()
   if (file.isEmpty())
     return;
 
-  if (WiiSave::Import(file.toStdString()))
+  bool cancelled = false;
+  auto can_overwrite = [&] {
+    bool yes = QMessageBox::question(
+                   this, tr("Save Import"),
+                   tr("Save data for this title already exists in the NAND. Consider backing up "
+                      "the current data before overwriting.\nOverwrite now?")) == QMessageBox::Yes;
+    cancelled = !yes;
+    return yes;
+  };
+  if (WiiSave::Import(file.toStdString(), can_overwrite))
     QMessageBox::information(this, tr("Save Import"), tr("Successfully imported save files."));
-  else
+  else if (!cancelled)
     QMessageBox::critical(this, tr("Save Import"), tr("Failed to import save files."));
 }
 

Source/Core/DolphinWX/FrameTools.cpp

@@ -1214,8 +1214,14 @@ void CFrame::OnImportSave(wxCommandEvent& WXUNUSED(event))
                      _("Wii save files (*.bin)") + "|*.bin|" + wxGetTranslation(wxALL_FILES),
                      wxFD_OPEN | wxFD_PREVIEW | wxFD_FILE_MUST_EXIST, this);
 
+  auto can_overwrite = [this] {
+    return wxMessageBox(_("Save data for this title already exists in the NAND. Consider backing "
+                          "up the current data before overwriting.\nOverwrite now?"),
+                        _("Save Import"), wxYES_NO, this) == wxYES;
+  };
+
   if (!path.IsEmpty())
-    WiiSave::Import(WxStrToStr(path));
+    WiiSave::Import(WxStrToStr(path), can_overwrite);
 }
 
 void CFrame::OnShowCheatsWindow(wxCommandEvent& WXUNUSED(event))