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77 lines
2.6 KiB
C++
77 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsDragService_h_
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#define nsDragService_h_
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#include "nsBaseDragService.h"
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#include "nsChildView.h"
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#include <Cocoa/Cocoa.h>
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/**
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* Cocoa native nsIDragSession implementation
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*/
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class nsDragSession : public nsBaseDragSession {
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public:
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// nsIDragSession
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NS_IMETHOD GetData(nsITransferable* aTransferable,
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uint32_t aItemIndex) override;
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NS_IMETHOD IsDataFlavorSupported(const char* aDataFlavor,
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bool* _retval) override;
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NS_IMETHOD GetNumDropItems(uint32_t* aNumItems) override;
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NS_IMETHOD UpdateDragImage(nsINode* aImage, int32_t aImageX,
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int32_t aImageY) override;
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NS_IMETHOD DragMoved(int32_t aX, int32_t aY) override;
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NSDraggingSession* GetNSDraggingSession() { return mNSDraggingSession; }
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MOZ_CAN_RUN_SCRIPT nsresult
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EndDragSessionImpl(bool aDoneDrag, uint32_t aKeyModifiers) override;
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protected:
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// nsBaseDragSession
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MOZ_CAN_RUN_SCRIPT virtual nsresult InvokeDragSessionImpl(
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nsIWidget* aWidget, nsIArray* anArrayTransferables,
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const mozilla::Maybe<mozilla::CSSIntRegion>& aRegion,
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uint32_t aActionType) override;
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// Creates and returns the drag image for a drag. aImagePoint will be set to
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// the origin of the drag relative to mNativeDragView.
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NSImage* ConstructDragImage(
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nsINode* aDOMNode, const mozilla::Maybe<mozilla::CSSIntRegion>& aRegion,
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NSPoint* aImagePoint);
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// Creates and returns the drag image for a drag. aPoint should be the origin
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// of the drag, for example the mouse coordinate of the mousedown event.
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// aDragRect will be set the area of the drag relative to this.
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NSImage* ConstructDragImage(
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nsINode* aDOMNode, const mozilla::Maybe<mozilla::CSSIntRegion>& aRegion,
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mozilla::CSSIntPoint aPoint, mozilla::LayoutDeviceIntRect* aDragRect);
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nsCOMPtr<nsIArray> mDataItems; // only valid for a drag started within gecko
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// Native widget object that this drag is over.
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ChildView* mNativeDragView = nil;
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// The native drag session object for this drag.
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NSDraggingSession* mNSDraggingSession = nil;
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NSEvent* mNativeDragEvent = nil;
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bool mDragImageChanged = false;
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};
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/**
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* Cocoa native nsIDragService implementation
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*/
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class nsDragService final : public nsBaseDragService {
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public:
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already_AddRefed<nsIDragSession> CreateDragSession() override;
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};
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#endif // nsDragService_h_
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