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src/java.desktop/macosx/native/libawt_lwawt/awt/CDropTarget.m

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 594         }
 595     }
 596 
 597     DLog2(@"[CDropTarget draggingUpdated]: returning %lu\n", (unsigned long) dragOp);
 598 
 599     return dragOp;
 600 }
 601 
 602 - (void)draggingExited:(id<NSDraggingInfo>)sender
 603 {
 604     DLog2(@"[CDropTarget draggingExited]: %@\n", self);
 605 
 606     sCurrentDropTarget = nil;
 607 
 608     JNIEnv* env = [ThreadUtilities getJNIEnv];
 609 
 610     if (sDraggingExited == FALSE && sDraggingError == FALSE) {
 611         JNF_MEMBER_CACHE(handleExitMessageMethod, jc_CDropTargetContextPeer, "handleExitMessage", "(Ljava/awt/Component;J)V");
 612         if (sDraggingError == FALSE) {
 613             DLog3(@"  - dragExit: loc native %f, %f\n", sDraggingLocation.x, sDraggingLocation.y);
 614              // AWT_THREADING Safe (CToolkitThreadBlockedHandler) 
 615             JNFCallVoidMethod(env, fDropTargetContextPeer,
 616                               handleExitMessageMethod, fComponent, ptr_to_jlong(self));
 617         }
 618 
 619         // 5-27-03 Note: [Radar 3270455]
 620         // -draggingExited: can be called both by the AppKit and by -performDragOperation: but shouldn't execute
 621         // twice per drop since cleanup code like that in swing/plaf/basic/BasicDropTargetListener would throw NPEs.
 622         sDraggingExited = TRUE;
 623     }
 624 
 625     DLog(@"[CDropTarget draggingExited]: returning.\n");
 626 }
 627 
 628 - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
 629 {
 630     DLog2(@"[CDropTarget prepareForDragOperation]: %@\n", self);
 631     DLog2(@"[CDropTarget prepareForDragOperation]: returning %@\n", (sDraggingError ? @"NO" : @"YES"));
 632 
 633     return sDraggingError ? NO : YES;
 634 }




 594         }
 595     }
 596 
 597     DLog2(@"[CDropTarget draggingUpdated]: returning %lu\n", (unsigned long) dragOp);
 598 
 599     return dragOp;
 600 }
 601 
 602 - (void)draggingExited:(id<NSDraggingInfo>)sender
 603 {
 604     DLog2(@"[CDropTarget draggingExited]: %@\n", self);
 605 
 606     sCurrentDropTarget = nil;
 607 
 608     JNIEnv* env = [ThreadUtilities getJNIEnv];
 609 
 610     if (sDraggingExited == FALSE && sDraggingError == FALSE) {
 611         JNF_MEMBER_CACHE(handleExitMessageMethod, jc_CDropTargetContextPeer, "handleExitMessage", "(Ljava/awt/Component;J)V");
 612         if (sDraggingError == FALSE) {
 613             DLog3(@"  - dragExit: loc native %f, %f\n", sDraggingLocation.x, sDraggingLocation.y);
 614              // AWT_THREADING Safe (CToolkitThreadBlockedHandler)
 615             JNFCallVoidMethod(env, fDropTargetContextPeer,
 616                               handleExitMessageMethod, fComponent, ptr_to_jlong(self));
 617         }
 618 
 619         // 5-27-03 Note: [Radar 3270455]
 620         // -draggingExited: can be called both by the AppKit and by -performDragOperation: but shouldn't execute
 621         // twice per drop since cleanup code like that in swing/plaf/basic/BasicDropTargetListener would throw NPEs.
 622         sDraggingExited = TRUE;
 623     }
 624 
 625     DLog(@"[CDropTarget draggingExited]: returning.\n");
 626 }
 627 
 628 - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
 629 {
 630     DLog2(@"[CDropTarget prepareForDragOperation]: %@\n", self);
 631     DLog2(@"[CDropTarget prepareForDragOperation]: returning %@\n", (sDraggingError ? @"NO" : @"YES"));
 632 
 633     return sDraggingError ? NO : YES;
 634 }


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