1 files changed, 57 insertions, 0 deletions
diff --git a/widget/cocoa/nsDragService.h b/widget/cocoa/nsDragService.h
new file mode 100644
index 0000000000..da5211fbab
--- /dev/null
+++ b/widget/cocoa/nsDragService.h
@@ -0,0 +1,57 @@
+/* -*- 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 "nsChildView.h"
+
+#include <Cocoa/Cocoa.h>
+
+class nsDragService : public nsBaseDragService {
+ public:
+  nsDragService();
+
+  // nsBaseDragService
+  MOZ_CAN_RUN_SCRIPT virtual nsresult InvokeDragSessionImpl(
+      nsIArray* anArrayTransferables, const mozilla::Maybe<mozilla::CSSIntRegion>& aRegion,
+      uint32_t aActionType) override;
+  // nsIDragService
+  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;
+
+  // nsIDragSession
+  NS_IMETHOD GetData(nsITransferable* aTransferable, uint32_t aItemIndex) override;
+  NS_IMETHOD IsDataFlavorSupported(const char* aDataFlavor, bool* _retval) override;
+  NS_IMETHOD GetNumDropItems(uint32_t* aNumItems) override;
+
+  void DragMovedWithView(NSDraggingSession* aSession, NSPoint aPoint);
+
+ protected:
+  virtual ~nsDragService();
+
+ private:
+  // Creates and returns the drag image for a drag. aImagePoint will be set to
+  // the origin of the drag relative to mNativeDragView.
+  NSImage* ConstructDragImage(nsINode* aDOMNode,
+                              const mozilla::Maybe<mozilla::CSSIntRegion>& aRegion,
+                              NSPoint* aImagePoint);
+
+  // Creates and returns the drag image for a drag. aPoint should be the origin
+  // of the drag, for example the mouse coordinate of the mousedown event.
+  // aDragRect will be set the area of the drag relative to this.
+  NSImage* ConstructDragImage(nsINode* aDOMNode,
+                              const mozilla::Maybe<mozilla::CSSIntRegion>& aRegion,
+                              mozilla::CSSIntPoint aPoint, mozilla::LayoutDeviceIntRect* aDragRect);
+
+  nsCOMPtr<nsIArray> mDataItems;  // only valid for a drag started within gecko
+  ChildView* mNativeDragView;
+  NSEvent* mNativeDragEvent;
+
+  bool mDragImageChanged;
+};
+
+#endif  // nsDragService_h_