зеркало из https://github.com/mozilla/pjs.git
somehow, these files got extra blank lines in them between every source file line. Removing them. Also removing duplicate implementations of addref, release, and QI, since we inherit them from nsBaseDragService.
This commit is contained in:
pinkerton%netscape.com
Родитель
26eed4b1c9
Коммит
6292e8f7db
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@ -1,410 +1,178 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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//
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// Mike Pinkerton
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// Netscape Communications
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//
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// See associated header file for details
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//
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#include "nsDragService.h"
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#include "nsITransferable.h"
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#include "nsIDataFlavor.h"
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#include "nsMimeMapper.h"
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#include "nsWidgetsCID.h"
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#include "nsClipboard.h"
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#include "nsIRegion.h"
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NS_IMPL_ADDREF_INHERITED(nsDragService, nsBaseDragService)
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NS_IMPL_RELEASE_INHERITED(nsDragService, nsBaseDragService)
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//
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// DragService constructor
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//
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nsDragService::nsDragService()
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: mDragRef(0)
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{
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}
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//
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// DragService destructor
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//
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nsDragService::~nsDragService()
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{
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}
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/**
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* @param aIID The name of the class implementing the method
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* @param _classiiddef The name of the #define symbol that defines the IID
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* for the class (e.g. NS_ISUPPORTS_IID)
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*
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*/
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nsresult
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nsDragService::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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nsresult rv = NS_NOINTERFACE;
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if (aIID.Equals(nsIDragService::GetIID())) {
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*aInstancePtr = (void*) ((nsIDragService*)this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return rv;
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}
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//
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// StartDragSession
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//
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// Do all the work to kick it off.
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//
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NS_IMETHODIMP
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nsDragService :: InvokeDragSession (nsISupportsArray * anArrayTransferables, nsIRegion * aDragRgn, PRUint32 aActionType)
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{
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//¥¥¥ what should we do about |mDragRef| from the previous drag?? Does anyone
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//¥¥¥ outside of this method need it? Should it really be a member variable?
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OSErr result = ::NewDrag(&mDragRef);
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if ( !result )
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return NS_ERROR_FAILURE;
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//¥¥¥ add the flavors from the transferables
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// create the drag region. Pull out the native mac region from the nsIRegion we're
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// given, copy it, inset it one pixel, and subtract them so we're left with just an
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// outline. Too bad we can't do this with gfx api's.
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//
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// At the end, we are left with an outline of the region in global coordinates.
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RgnHandle dragRegion = nsnull;
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aDragRgn->GetNativeRegion(dragRegion);
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RgnHandle insetDragRegion = ::NewRgn();
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if ( dragRegion && insetDragRegion ) {
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::CopyRgn ( dragRegion, insetDragRegion );
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::InsetRgn ( insetDragRegion, 1, 1 );
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::DiffRgn ( dragRegion, insetDragRegion, insetDragRegion );
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::DiffRgn ( dragRegion, insetDragRegion, insetDragRegion );
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// now shift the region into global coordinates.
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Point offsetFromLocalToGlobal = { 0, 0 };
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::LocalToGlobal ( &offsetFromLocalToGlobal );
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::OffsetRgn ( insetDragRegion, offsetFromLocalToGlobal.h, offsetFromLocalToGlobal.v );
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}
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//¥¥¥ register drag send procs
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// we have to synthesize the native event because we may be called from JavaScript
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// through XPConnect. In that case, we only have a DOM event and no way to
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// get to the native event. As a consequence, we just always fake it.
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Point globalMouseLoc;
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::GetMouse(&globalMouseLoc);
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::LocalToGlobal(&globalMouseLoc);
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WindowPtr theWindow = nsnull;;
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if ( ::FindWindow(globalMouseLoc, &theWindow) != inContent ) {
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// debugging sanity check
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#ifdef NS_DEBUG
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DebugStr("\pAbout to start drag, but FindWindow() != inContent");
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#endif
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}
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EventRecord theEvent;
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theEvent.what = mouseDown;
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theEvent.message = reinterpret_cast<UInt32>(theWindow);
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theEvent.when = 0;
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theEvent.where = globalMouseLoc;
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theEvent.modifiers = 0;
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// start the drag
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result = ::TrackDrag ( mDragRef, &theEvent, insetDragRegion );
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// clean up after ourselves
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::DisposeRgn ( insetDragRegion );
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::DisposeDrag ( mDragRef );
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return NS_OK;
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return NS_OK;
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} // StartDragSession
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//
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// GetData
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//
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// Pull data out of the OS drag items and stash it into the given transferable
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//
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NS_IMETHODIMP
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nsDragService :: GetData (nsITransferable * aTransferable)
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{
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printf("nsDragService::GetData -- unimplemented on MacOS\n");
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return NS_ERROR_FAILURE;
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}
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//
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// IsDataFlavorSupported
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//
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// Check the OS to see if the given drag flavor is in the list. Oddly returns
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// NS_OK for success and NS_ERROR_FAILURE if flavor is not present.
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//
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NS_IMETHODIMP
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nsDragService :: IsDataFlavorSupported(nsIDataFlavor * aDataFlavor)
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{
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nsresult flavorSupported = NS_ERROR_FAILURE;
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// convert to 4 character MacOS type
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nsAutoString mimeType;
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aDataFlavor->GetMimeType(mimeType);
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FlavorType macFlavor = nsMimeMapperMac::MapMimeTypeToMacOSType(mimeType);
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// search through all drag items looking for something with this flavor
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unsigned short numDragItems = 0;
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::CountDragItems ( mDragRef, &numDragItems );
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for ( int i = 0; i < numDragItems; ++i ) {
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ItemReference currItem;
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OSErr res = ::GetDragItemReferenceNumber ( mDragRef, i, &currItem );
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if ( res != noErr )
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return NS_ERROR_FAILURE;
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FlavorFlags ignored;
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char foundFlavor = ::GetFlavorFlags(mDragRef, currItem, macFlavor, &ignored) == noErr;
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if ( foundFlavor )
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flavorSupported = NS_OK;
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} // for each item in drag
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return flavorSupported;
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} // IsDataFlavorSupported
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@ -1,126 +1,67 @@
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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//
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// Mike Pinkerton
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// Netscape Communications
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//
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// The MacOS native implementation of nsIDragService.
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//
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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 <Drag.h>
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class nsNativeDragTarget;
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//
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// Native MacOS DragService/DragSession implementation
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//
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class nsDragService : public nsBaseDragService
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{
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public:
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nsDragService();
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virtual ~nsDragService();
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//nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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//NS_DECL_ISUPPORTS_INHERITED
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//nsIDragService
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NS_IMETHOD InvokeDragSession (nsISupportsArray * anArrayTransferables, nsIRegion * aRegion, PRUint32 aActionType);
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//NS_IMETHOD InvokeDragSessionSingle (nsITransferable * aTransferable, nsIRegion * aRegion, PRUint32 aActionType);
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//nsIDragSession
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NS_IMETHOD GetData (nsITransferable * aTransferable);
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NS_IMETHOD IsDataFlavorSupported(nsIDataFlavor * aDataFlavor);
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private:
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DragReference mDragRef; // reference to _the_ drag. There can be only one.
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}; // class nsDragService
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#endif // nsDragService_h__
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