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Removed methods and put them in nsIDragSession.h

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rods%netscape.com 1999-05-07 20:04:43 +00:00
parent 80abf4bfa4
commit c86230119f
1 changed files with 27 additions and 47 deletions
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74
widget/public/nsIDragService.h
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@ -21,8 +21,10 @@
#include "nsISupports.h"
class nsITransferable;
struct nsSize;
class nsIDragSession;
class nsITransferable;
class nsISupportsArray;
class nsIRegion;
// {8B5314BB-DB01-11d2-96CE-0060B0FB9956}
#define NS_IDRAGSERVICE_IID \
@ -39,64 +41,42 @@ class nsIDragService : public nsISupports {
static const nsIID& GetIID() { static nsIID iid = NS_IDRAGSERVICE_IID; return iid; }
/**
* Set the current state of the drag whether it can be dropped or not.
* usually the target "frame" sets this so the native system can render the correct feedback
*
* @param aCanDrop indicates whether it can be dropped here
*/
NS_IMETHOD SetCanDrop (PRBool aCanDrop) = 0;
/**
* Retrieves whether the drag can be dropped at this location
*
* @param aCanDrop indicates whether it can be dropped here
*/
NS_IMETHOD GetCanDrop (PRBool * aCanDrop) = 0;
/**
* Sets the action (copy, move, link, et.c) for the current drag
* Starts a modal drag session with an array of transaferables
*
* @param anAction the current action
* @param an array of transferables to be dragged
*/
NS_IMETHOD SetDragAction (PRUint32 anAction) = 0;
/**
* Gets the action (copy, move, link, et.c) for the current drag
*
* @param anAction the current action
*/
NS_IMETHOD GetDragAction (PRUint32 * anAction) = 0;
NS_IMETHOD InvokeDragSession (nsISupportsArray * anArrayTransferables, nsIRegion * aRegion, PRUint32 aActionType) = 0;
/**
* Sets the current width and height if the drag target area.
* It will contain the current size of the Frame that the drag is currently in
*
* @param aDragTargetSize contains width/height of the current target
*/
NS_IMETHOD SetTargetSize (nsSize aDragTargetSize) = 0;
/**
* Gets the current width and height if the drag target area.
* It will contain the current size of the Frame that the drag is currently in
*
* @param aCanDrop indicates whether it can be dropped here
*/
NS_IMETHOD GetTargetSize (nsSize * aDragTargetSize) = 0;
/**
* Starts a modal drag session.
* Starts a modal drag session with a single transferable
*
* @param aTransferable the transferable to be dragged
*/
NS_IMETHOD StartDragSession (nsITransferable * aTransferable, PRUint32 aActionType) = 0;
NS_IMETHOD InvokeDragSessionSingle (nsITransferable * aTransferable, nsIRegion * aRegion, PRUint32 aActionType) = 0;
/**
* Get data from a Drag->Drop
* Returns the current Drag Session
*
* @param aTransferable the transferable for the data to be put into
* @param aSession the current drag session
*/
NS_IMETHOD GetData (nsITransferable * aTransferable) = 0;
NS_IMETHOD GetCurrentSession (nsIDragSession ** aSession) = 0;
/**
* Tells the Drag Service to start a drag sessiojn, this is called when
* an external drag occurs
*
*/
NS_IMETHOD StartDragSession () = 0;
/**
* Tells the Drag Service to end a drag sessiojn, this is called when
* an external drag occurs
*
*/
NS_IMETHOD EndDragSession () = 0;
};
#endif