1 files changed, 67 insertions, 0 deletions
diff --git a/widget/windows/nsDragService.h b/widget/windows/nsDragService.h
new file mode 100644
index 0000000000..5a86a74f76
--- /dev/null
+++ b/widget/windows/nsDragService.h
@@ -0,0 +1,67 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsDragService_h__
+#define nsDragService_h__
+
+#include "nsBaseDragService.h"
+#include <windows.h>
+#include <shlobj.h>
+
+struct IDataObject;
+class nsDataObjCollection;
+
+/**
+ * Native Win32 DragService wrapper
+ */
+
+class nsDragService : public nsBaseDragService {
+ public:
+  nsDragService();
+  virtual ~nsDragService();
+
+  // nsBaseDragService
+  MOZ_CAN_RUN_SCRIPT virtual nsresult InvokeDragSessionImpl(
+      nsIArray* anArrayTransferables,
+      const mozilla::Maybe<mozilla::CSSIntRegion>& aRegion,
+      uint32_t aActionType);
+
+  // nsIDragSession
+  NS_IMETHOD GetData(nsITransferable* aTransferable, uint32_t anItem) override;
+  NS_IMETHOD GetNumDropItems(uint32_t* aNumItems) override;
+  NS_IMETHOD IsDataFlavorSupported(const char* aDataFlavor,
+                                   bool* _retval) override;
+  MOZ_CAN_RUN_SCRIPT NS_IMETHOD EndDragSession(bool aDoneDrag,
+                                               uint32_t aKeyModifiers) override;
+  NS_IMETHOD UpdateDragImage(nsINode* aImage, int32_t aImageX,
+                             int32_t aImageY) override;
+
+  // native impl.
+  NS_IMETHOD SetIDataObject(IDataObject* aDataObj);
+  MOZ_CAN_RUN_SCRIPT nsresult StartInvokingDragSession(IDataObject* aDataObj,
+                                                       uint32_t aActionType);
+
+  // A drop occurred within the application vs. outside of it.
+  void SetDroppedLocal();
+
+  IDataObject* GetDataObject() { return mDataObject; }
+
+ protected:
+  nsDataObjCollection* GetDataObjCollection(IDataObject* aDataObj);
+
+  // determine if we have a single data object or one of our private
+  // collections
+  bool IsCollectionObject(IDataObject* inDataObj);
+
+  // Create a bitmap for drag operations
+  bool CreateDragImage(nsINode* aDOMNode,
+                       const mozilla::Maybe<mozilla::CSSIntRegion>& aRegion,
+                       SHDRAGIMAGE* psdi);
+
+  IDataObject* mDataObject;
+  bool mSentLocalDropEvent;
+};
+
+#endif  // nsDragService_h__