widget/cocoa/nsDragService.h
author Ryan VanderMeulen <ryanvm@gmail.com>
Thu, 14 Aug 2014 17:23:10 -0400
changeset 222544 1d41a9159e5809e937c8abd7490dd845832652c4
parent 214924 d070ae6e63cb7e538b6deee90c30b698fd380995
child 294600 a34b6482a7b689453a4aab2b9f06af591a4a8b03
permissions -rw-r--r--
Backed out changesets 5b1a3161f614, 17a9673ed782, and a9b8c346d295 (bug 1052052) for B2G non-unified bustage.

/* -*- 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 <Cocoa/Cocoa.h>

extern NSString* const kWildcardPboardType;
extern NSString* const kCorePboardType_url;
extern NSString* const kCorePboardType_urld;
extern NSString* const kCorePboardType_urln;

class nsDragService : public nsBaseDragService
{
public:
  nsDragService();

  // nsIDragService
  NS_IMETHOD InvokeDragSession(nsIDOMNode *aDOMNode, nsISupportsArray * anArrayTransferables,
                               nsIScriptableRegion * aRegion, uint32_t aActionType);
  NS_IMETHOD EndDragSession(bool aDoneDrag);

  // nsIDragSession
  NS_IMETHOD GetData(nsITransferable * aTransferable, uint32_t aItemIndex);
  NS_IMETHOD IsDataFlavorSupported(const char *aDataFlavor, bool *_retval);
  NS_IMETHOD GetNumDropItems(uint32_t * aNumItems);

protected:
  virtual ~nsDragService();

private:

  NSImage* ConstructDragImage(nsIDOMNode* aDOMNode,
                              nsIntRect* aDragRect,
                              nsIScriptableRegion* aRegion);

  nsCOMPtr<nsISupportsArray> mDataItems; // only valid for a drag started within gecko
  NSView* mNativeDragView;
  NSEvent* mNativeDragEvent;
};

#endif // nsDragService_h_