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25 
26 package java.awt.dnd.peer;
27 
28 import java.awt.datatransfer.DataFlavor;
29 import java.awt.datatransfer.Transferable;
30 import java.awt.dnd.DropTarget;
31 import java.awt.dnd.InvalidDnDOperationException;
32 
33 /**
34  * <p>
35  * This interface is exposed by the underlying window system platform to
36  * enable control of platform DnD operations
37  * </p>
38  *
39  * @since 1.2
40  *
41  */
42 
43 public interface DropTargetContextPeer {
44 
45     /**
46      * update the peer's notion of the Target's actions
47      */
48 
setTargetActions(int actions)49     void setTargetActions(int actions);
50 
51     /**
52      * get the current Target actions
53      */
54 
getTargetActions()55     int getTargetActions();
56 
57     /**
58      * get the DropTarget associated with this peer
59      */
60 
getDropTarget()61     DropTarget getDropTarget();
62 
63     /**
64      * get the (remote) DataFlavors from the peer
65      */
66 
getTransferDataFlavors()67     DataFlavor[] getTransferDataFlavors();
68 
69     /**
70      * get an input stream to the remote data
71      */
72 
getTransferable()73     Transferable getTransferable() throws InvalidDnDOperationException;
74 
75     /**
76      * @return if the DragSource Transferable is in the same JVM as the Target
77      */
78 
isTransferableJVMLocal()79     boolean isTransferableJVMLocal();
80 
81     /**
82      * accept the Drag
83      */
84 
acceptDrag(int dragAction)85     void acceptDrag(int dragAction);
86 
87     /**
88      * reject the Drag
89      */
90 
rejectDrag()91     void rejectDrag();
92 
93     /**
94      * accept the Drop
95      */
96 
acceptDrop(int dropAction)97     void acceptDrop(int dropAction);
98 
99     /**
100      * reject the Drop
101      */
102 
rejectDrop()103     void rejectDrop();
104 
105     /**
106      * signal complete
107      */
108 
dropComplete(boolean success)109     void dropComplete(boolean success);
110 
111 }
112