зеркало из https://github.com/mozilla/gecko-dev.git
71 строка
2.8 KiB
C++
71 строка
2.8 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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extern NSString* const kPublicUrlPboardType;
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extern NSString* const kPublicUrlNamePboardType;
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extern NSString* const kUrlsWithTitlesPboardType;
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extern NSString* const kMozWildcardPboardType;
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extern NSString* const kMozCustomTypesPboardType;
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extern NSString* const kMozFileUrlsPboardType;
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class nsDragService : public nsBaseDragService {
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public:
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nsDragService();
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// nsBaseDragService
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MOZ_CAN_RUN_SCRIPT virtual nsresult InvokeDragSessionImpl(
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nsIArray* anArrayTransferables, const mozilla::Maybe<mozilla::CSSIntRegion>& aRegion,
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uint32_t aActionType) override;
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// nsIDragService
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MOZ_CAN_RUN_SCRIPT NS_IMETHOD EndDragSession(bool aDoneDrag, uint32_t aKeyModifiers) override;
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NS_IMETHOD UpdateDragImage(nsINode* aImage, int32_t aImageX, int32_t aImageY) override;
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// nsIDragSession
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NS_IMETHOD GetData(nsITransferable* aTransferable, uint32_t aItemIndex) override;
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NS_IMETHOD IsDataFlavorSupported(const char* aDataFlavor, bool* _retval) override;
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NS_IMETHOD GetNumDropItems(uint32_t* aNumItems) override;
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void DragMovedWithView(NSDraggingSession* aSession, NSPoint aPoint);
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protected:
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virtual ~nsDragService();
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private:
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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(nsINode* aDOMNode,
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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(nsINode* aDOMNode,
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const mozilla::Maybe<mozilla::CSSIntRegion>& aRegion,
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mozilla::CSSIntPoint aPoint, mozilla::LayoutDeviceIntRect* aDragRect);
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bool IsValidType(NSString* availableType, bool allowFileURL);
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NSString* GetStringForType(NSPasteboardItem* item, const NSString* type,
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bool allowFileURL = false);
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NSString* GetTitleForURL(NSPasteboardItem* item);
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NSString* GetFilePath(NSPasteboardItem* item);
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nsCOMPtr<nsIArray> mDataItems; // only valid for a drag started within gecko
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ChildView* mNativeDragView;
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NSEvent* mNativeDragEvent;
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bool mDragImageChanged;
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};
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#endif // nsDragService_h_
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