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Diffstat (limited to 'widget/cocoa/nsDragService.h')
-rw-r--r-- | widget/cocoa/nsDragService.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/widget/cocoa/nsDragService.h b/widget/cocoa/nsDragService.h new file mode 100644 index 0000000000..b175b93247 --- /dev/null +++ b/widget/cocoa/nsDragService.h @@ -0,0 +1,62 @@ +/* -*- 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_ |