author | alexsch |
Mon, 07 Oct 2013 16:13:48 +0400 | |
changeset 20456 | 91f08f6b7871 |
parent 20446 | 2452a42716c8 |
child 23010 | 6dadb192ad81 |
permissions | -rw-r--r-- |
12047 | 1 |
/* |
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* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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//#define DND_DEBUG TRUE |
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#import "CDropTarget.h" |
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#import "AWTView.h" |
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#import "sun_lwawt_macosx_CDropTarget.h" |
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#import "java_awt_dnd_DnDConstants.h" |
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#import <JavaNativeFoundation/JavaNativeFoundation.h> |
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#import <JavaRuntimeSupport/JavaRuntimeSupport.h> |
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#include <objc/objc-runtime.h> |
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#import "CDragSource.h" |
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#import "CDataTransferer.h" |
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#import "DnDUtilities.h" |
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#import "ThreadUtilities.h" |
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static NSInteger sDraggingSequenceNumber = -1; |
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static NSDragOperation sDragOperation; |
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static NSDragOperation sUpdateOperation; |
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static jint sJavaDropOperation; |
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static NSPoint sDraggingLocation; |
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static BOOL sDraggingExited; |
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static BOOL sDraggingError; |
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static NSUInteger sPasteboardItemsCount = 0; |
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static NSArray* sPasteboardTypes = nil; |
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static NSArray* sPasteboardData = nil; |
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static jlongArray sDraggingFormats = nil; |
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static CDropTarget* sCurrentDropTarget; |
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extern JNFClassInfo jc_CDropTargetContextPeer; |
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@implementation CDropTarget |
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+ (CDropTarget *) currentDropTarget { |
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return sCurrentDropTarget; |
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} |
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- (id)init:(jobject)jdropTarget component:(jobject)jcomponent peer:(jobject)jpeer control:(id)control |
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{ |
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self = [super init]; |
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DLog2(@"[CDropTarget init]: %@\n", self); |
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fView = nil; |
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fComponent = nil; |
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fDropTarget = nil; |
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fDropTargetContextPeer = nil; |
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if (control != nil) { |
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JNIEnv *env = [ThreadUtilities getJNIEnvUncached]; |
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fComponent = JNFNewGlobalRef(env, jcomponent); |
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fDropTarget = JNFNewGlobalRef(env, jdropTarget); |
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fView = [((AWTView *) control) retain]; |
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[fView setDropTarget:self]; |
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} else { |
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// This would be an error. |
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[self release]; |
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self = nil; |
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} |
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return self; |
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} |
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// When [CDropTarget init] is called the ControlModel's fView may not have been set up yet. ControlModel |
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// (soon after) calls [CDropTarget controlModelControlValid] on the native event thread, once per CDropTarget, |
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// to let it know it's been set up now. |
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- (void)controlModelControlValid |
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{ |
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// 9-30-02 Note: [Radar 3065621] |
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// List all known pasteboard types here (see AppKit's NSPasteboard.h) |
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// How to register for non-standard data types remains to be determined. |
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NSArray* dataTypes = [[NSArray alloc] initWithObjects: |
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NSStringPboardType, |
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NSFilenamesPboardType, |
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NSPostScriptPboardType, |
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NSTIFFPboardType, |
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NSRTFPboardType, |
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NSTabularTextPboardType, |
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NSFontPboardType, |
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NSRulerPboardType, |
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NSFileContentsPboardType, |
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NSColorPboardType, |
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NSRTFDPboardType, |
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NSHTMLPboardType, |
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NSURLPboardType, |
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NSPDFPboardType, |
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NSVCardPboardType, |
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NSFilesPromisePboardType, |
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[DnDUtilities javaPboardType], |
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nil]; |
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// Enable dragging events over this object: |
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[fView registerForDraggedTypes:dataTypes]; |
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[dataTypes release]; |
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} |
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- (void)releaseDraggingData |
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{ |
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DLog2(@"[CDropTarget releaseDraggingData]: %@\n", self); |
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// Release any old pasteboard types, data and properties: |
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[sPasteboardTypes release]; |
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sPasteboardTypes = nil; |
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[sPasteboardData release]; |
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sPasteboardData = nil; |
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if (sDraggingFormats != NULL) { |
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JNIEnv *env = [ThreadUtilities getJNIEnv]; |
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JNFDeleteGlobalRef(env, sDraggingFormats); |
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sDraggingFormats = NULL; |
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} |
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sPasteboardItemsCount = 0; |
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sDraggingSequenceNumber = -1; |
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} |
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- (void)removeFromView:(JNIEnv *)env |
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{ |
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DLog2(@"[CDropTarget removeFromView]: %@\n", self); |
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// Remove this dragging destination from the view: |
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[((AWTView *) fView) setDropTarget:nil]; |
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// Clean up JNI refs |
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if (fComponent != NULL) { |
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JNFDeleteGlobalRef(env, fComponent); |
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fComponent = NULL; |
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} |
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if (fDropTarget != NULL) { |
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JNFDeleteGlobalRef(env, fDropTarget); |
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fDropTarget = NULL; |
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} |
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if (fDropTargetContextPeer != NULL) { |
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JNFDeleteGlobalRef(env, fDropTargetContextPeer); |
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fDropTargetContextPeer = NULL; |
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} |
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CFRelease(self); |
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} |
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- (void)dealloc |
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{ |
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DLog2(@"[CDropTarget dealloc]: %@\n", self); |
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if(sCurrentDropTarget == self) { |
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sCurrentDropTarget = nil; |
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} |
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[fView release]; |
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fView = nil; |
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[super dealloc]; |
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} |
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//- (void)finalize { [super finalize]; } |
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- (NSInteger) getDraggingSequenceNumber |
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{ |
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return sDraggingSequenceNumber; |
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} |
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// Debugging help: |
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- (void)dumpPasteboard:(NSPasteboard*)pasteboard |
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{ |
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NSArray* pasteboardTypes = [pasteboard types]; |
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NSUInteger pasteboardItemsCount = [pasteboardTypes count]; |
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NSUInteger i; |
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// For each flavor on the pasteboard show the type, its data, and its property if there is one: |
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for (i = 0; i < pasteboardItemsCount; i++) { |
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NSString* pbType = [pasteboardTypes objectAtIndex:i]; |
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CFShow(pbType); |
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NSData* pbData = [pasteboard dataForType:pbType]; |
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CFShow(pbData); |
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if ([pbType hasPrefix:@"CorePasteboardFlavorType"] == NO) { |
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id pbDataProperty = [pasteboard propertyListForType:pbType]; |
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CFShow(pbDataProperty); |
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} |
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} |
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} |
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- (BOOL)copyDraggingTypes:(id<NSDraggingInfo>)sender |
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{ |
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DLog2(@"[CDropTarget copyDraggingTypes]: %@\n", self); |
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JNIEnv* env = [ThreadUtilities getJNIEnv]; |
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// Release any old pasteboard data: |
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[self releaseDraggingData]; |
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NSPasteboard* pb = [sender draggingPasteboard]; |
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sPasteboardTypes = [[pb types] retain]; |
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sPasteboardItemsCount = [sPasteboardTypes count]; |
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if (sPasteboardItemsCount == 0) |
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return FALSE; |
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jlongArray formats = (*env)->NewLongArray(env, sPasteboardItemsCount); |
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if (formats == nil) |
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return FALSE; |
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sDraggingFormats = (jlongArray) JNFNewGlobalRef(env, formats); |
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(*env)->DeleteLocalRef(env, formats); |
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if (sDraggingFormats == nil) |
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return FALSE; |
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jboolean isCopy; |
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jlong* jformats = (*env)->GetLongArrayElements(env, sDraggingFormats, &isCopy); |
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if (jformats == nil) { |
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return FALSE; |
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} |
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// Copy all data formats and properties. In case of properties, if they are nil, we need to use |
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// a special NilProperty since [NSArray addObject] would crash on adding a nil object. |
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DLog2(@"[CDropTarget copyDraggingTypes]: typesCount = %lu\n", (unsigned long) sPasteboardItemsCount); |
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NSUInteger i; |
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for (i = 0; i < sPasteboardItemsCount; i++) { |
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NSString* pbType = [sPasteboardTypes objectAtIndex:i]; |
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DLog3(@"[CDropTarget copyDraggingTypes]: type[%lu] = %@\n", (unsigned long) i, pbType); |
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// 01-10-03 Note: until we need data properties for doing something useful don't copy them. |
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// They're often copies of their flavor's data and copying them for all available pasteboard flavors |
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// (which are often auto-translation of one another) can be a significant time/space hit. |
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// If this is a remote object type (not a pre-defined format) register it with the pasteboard: |
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jformats[i] = indexForFormat(pbType); |
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if (jformats[i] == -1 && [pbType hasPrefix:@"JAVA_DATAFLAVOR:application/x-java-remote-object;"]) |
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jformats[i] = registerFormatWithPasteboard(pbType); |
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} |
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(*env)->ReleaseLongArrayElements(env, sDraggingFormats, jformats, JNI_COMMIT); |
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return TRUE; |
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} |
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- (BOOL)copyDraggingData:(id<NSDraggingInfo>)sender |
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{ |
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DLog2(@"[CDropTarget copyDraggingData]: %@\n", self); |
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sPasteboardData = [[NSMutableArray alloc] init]; |
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if (sPasteboardData == nil) |
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return FALSE; |
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// Copy all data items to a safe place since the pasteboard may go away before we'll need them: |
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NSPasteboard* pb = [sender draggingPasteboard]; |
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NSUInteger i; |
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for (i = 0; i < sPasteboardItemsCount; i++) { |
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// Get a type and its data and save the data: |
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NSString* pbType = [sPasteboardTypes objectAtIndex:i]; |
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// 01-10-03 Note: copying only NS-type data (until Java-specified types can make it through the AppKit) |
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// would be a good idea since we can't do anything with those CoreFoundation unknown types anyway. |
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// But I'm worried that it would break something in Fuller so I'm leaving this here as a reminder, |
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// to be evaluated later. |
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//id pbData = [pbType hasPrefix:@"NS"] ? [pb dataForType:pbType] : nil; // Copy only NS-type data! |
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id pbData = [pb dataForType:pbType]; |
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// If the data is null we can't store it in the array - an exception would be thrown. |
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// We use the special object NSNull instead which is kosher. |
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if (pbData == nil) |
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pbData = [NSNull null]; |
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[((NSMutableArray*) sPasteboardData) addObject:pbData]; |
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} |
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return TRUE; |
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} |
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- (NSData*) getDraggingDataForURL:(NSData*)data |
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{ |
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NSData* result = nil; |
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// Convert data into a property list if possible: |
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NSPropertyListFormat propertyListFormat; |
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NSString* errorString = nil; |
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id propertyList = [NSPropertyListSerialization propertyListFromData:data mutabilityOption:NSPropertyListImmutable |
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format:&propertyListFormat errorDescription:&errorString]; |
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310 |
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311 |
// URL types have only a single URL string in an array: |
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312 |
if (propertyList != nil && errorString == nil && [propertyList isKindOfClass:[NSArray class]]) { |
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NSArray* array = (NSArray*) propertyList; |
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if ([array count] > 0) { |
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315 |
NSString* url = (NSString*) [array objectAtIndex:0]; |
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316 |
if (url != nil && [url length] > 0) |
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result = [url dataUsingEncoding:[url fastestEncoding]]; |
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318 |
} |
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} |
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320 |
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return result; |
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} |
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323 |
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- (jobject) copyDraggingDataForFormat:(jlong)format |
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{ |
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326 |
JNIEnv* env = [ThreadUtilities getJNIEnvUncached]; // Join the main thread by requesting uncached environment |
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327 |
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328 |
NSData* data = nil; |
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329 |
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// Convert the Java format (datatransferer int index) to a pasteboard format (NSString): |
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331 |
NSString* pbType = formatForIndex(format); |
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332 |
if ([sPasteboardTypes containsObject:pbType]) { |
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333 |
NSUInteger dataIndex = [sPasteboardTypes indexOfObject:pbType]; |
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334 |
data = [sPasteboardData objectAtIndex:dataIndex]; |
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335 |
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336 |
if ((id) data == [NSNull null]) |
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337 |
data = nil; |
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338 |
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339 |
// format == 8 (CF_URL in CDataTransferer): we need a URL-to-String conversion: |
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340 |
else if ([pbType isEqualToString:@"Apple URL pasteboard type"]) |
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data = [self getDraggingDataForURL:data]; |
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342 |
} |
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343 |
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344 |
// Get NS data: |
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345 |
char* dataBytes = (data != nil) ? (char*) [data bytes] : "Unsupported type"; |
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346 |
NSUInteger dataLength = (data != nil) ? [data length] : sizeof("Unsupported type"); |
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347 |
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348 |
// Create a global byte array: |
|
349 |
jbyteArray lbyteArray = (*env)->NewByteArray(env, dataLength); |
|
350 |
if (lbyteArray == nil) |
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351 |
return nil; |
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352 |
jbyteArray gbyteArray = (jbyteArray) JNFNewGlobalRef(env, lbyteArray); |
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353 |
(*env)->DeleteLocalRef(env, lbyteArray); |
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354 |
if (gbyteArray == nil) |
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355 |
return nil; |
|
356 |
||
357 |
// Get byte array elements: |
|
358 |
jboolean isCopy; |
|
359 |
jbyte* jbytes = (*env)->GetByteArrayElements(env, gbyteArray, &isCopy); |
|
360 |
if (jbytes == nil) |
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361 |
return nil; |
|
362 |
||
363 |
// Copy data to byte array and release elements: |
|
364 |
memcpy(jbytes, dataBytes, dataLength); |
|
365 |
(*env)->ReleaseByteArrayElements(env, gbyteArray, jbytes, JNI_COMMIT); |
|
366 |
||
367 |
// In case of an error make sure to return nil: |
|
368 |
if ((*env)->ExceptionOccurred(env)) { |
|
369 |
(*env)->ExceptionDescribe(env); |
|
370 |
gbyteArray = nil; |
|
371 |
} |
|
372 |
||
373 |
return gbyteArray; |
|
374 |
} |
|
375 |
||
376 |
- (void)safeReleaseDraggingData:(NSNumber *)arg |
|
377 |
{ |
|
378 |
jlong draggingSequenceNumber = [arg longLongValue]; |
|
379 |
||
380 |
// Make sure dragging data is released only if no new drag is under way. If a new drag |
|
381 |
// has been initiated it has released the old dragging data already. This has to be called |
|
382 |
// on the native event thread - otherwise we'd need to start synchronizing. |
|
383 |
if (draggingSequenceNumber == sDraggingSequenceNumber) |
|
384 |
[self releaseDraggingData]; |
|
385 |
} |
|
386 |
||
387 |
- (void)javaDraggingEnded:(jlong)draggingSequenceNumber success:(BOOL)jsuccess action:(jint)jdropaction |
|
388 |
{ |
|
389 |
NSNumber *draggingSequenceNumberID = [NSNumber numberWithLongLong:draggingSequenceNumber]; |
|
390 |
// Report back actual Swing success, not what AppKit thinks |
|
391 |
sDraggingError = !jsuccess; |
|
392 |
sDragOperation = [DnDUtilities mapJavaDragOperationToNS:jdropaction]; |
|
393 |
||
394 |
// Release dragging data if any when Java's AWT event thread is all finished. |
|
395 |
// Make sure dragging data is released on the native event thread. |
|
15985
b9e25a486549
8006634: Unify LWCToolkit.invokeAndWait() and sun.awt.datatransfer.ToolkitThreadBlockedHandler
pchelko
parents:
12416
diff
changeset
|
396 |
[ThreadUtilities performOnMainThread:@selector(safeReleaseDraggingData:) on:self withObject:draggingSequenceNumberID waitUntilDone:NO]; |
12047 | 397 |
} |
398 |
||
399 |
- (jint)currentJavaActions { |
|
400 |
return [DnDUtilities mapNSDragOperationToJava:sUpdateOperation]; |
|
401 |
} |
|
402 |
||
403 |
/******************************** BEGIN NSDraggingDestination Interface ********************************/ |
|
404 |
||
405 |
||
406 |
// Private API to calculate the current Java actions |
|
407 |
- (void) calculateCurrentSourceActions:(jint *)actions dropAction:(jint *)dropAction |
|
408 |
{ |
|
409 |
// Get the raw (unmodified by keys) source actions |
|
410 |
id jrsDrag = objc_lookUpClass("JRSDrag"); |
|
411 |
if (jrsDrag != nil) { |
|
412 |
NSDragOperation rawDragActions = (NSDragOperation) [jrsDrag performSelector:@selector(currentAllowableActions)]; |
|
413 |
if (rawDragActions != NSDragOperationNone) { |
|
414 |
// Both actions and dropAction default to the rawActions |
|
415 |
*actions = [DnDUtilities mapNSDragOperationMaskToJava:rawDragActions]; |
|
416 |
*dropAction = *actions; |
|
417 |
||
418 |
// Get the current key modifiers. |
|
419 |
NSUInteger dragModifiers = (NSUInteger) [jrsDrag performSelector:@selector(currentModifiers)]; |
|
420 |
// Either the drop action is narrowed as per Java rules (MOVE, COPY, LINK, NONE) or by the drag modifiers |
|
421 |
if (dragModifiers) { |
|
422 |
// Get the user selected operation based on the drag modifiers, then return the intersection |
|
423 |
NSDragOperation currentOp = [DnDUtilities nsDragOperationForModifiers:dragModifiers]; |
|
424 |
NSDragOperation allowedOp = rawDragActions & currentOp; |
|
425 |
||
426 |
*dropAction = [DnDUtilities mapNSDragOperationToJava:allowedOp]; |
|
427 |
} |
|
428 |
} |
|
429 |
} |
|
430 |
*dropAction = [DnDUtilities narrowJavaDropActions:*dropAction]; |
|
431 |
} |
|
432 |
||
433 |
- (NSDragOperation)draggingEntered:(id<NSDraggingInfo>)sender |
|
434 |
{ |
|
435 |
DLog2(@"[CDropTarget draggingEntered]: %@\n", self); |
|
436 |
||
437 |
sCurrentDropTarget = self; |
|
438 |
||
439 |
JNIEnv* env = [ThreadUtilities getJNIEnv]; |
|
440 |
NSInteger draggingSequenceNumber = [sender draggingSequenceNumber]; |
|
441 |
||
442 |
// Set the initial drag operation return value: |
|
443 |
NSDragOperation dragOp = NSDragOperationNone; |
|
444 |
sJavaDropOperation = java_awt_dnd_DnDConstants_ACTION_NONE; |
|
445 |
||
446 |
// We could probably special-case some stuff if drag and drop objects match: |
|
447 |
//if ([sender dragSource] == fView) |
|
448 |
||
449 |
if (draggingSequenceNumber != sDraggingSequenceNumber) { |
|
450 |
sDraggingSequenceNumber = draggingSequenceNumber; |
|
451 |
sDraggingError = FALSE; |
|
452 |
||
453 |
// Delete any drop target context peer left over from a previous drag: |
|
454 |
if (fDropTargetContextPeer != NULL) { |
|
455 |
JNFDeleteGlobalRef(env, fDropTargetContextPeer); |
|
456 |
fDropTargetContextPeer = NULL; |
|
457 |
} |
|
458 |
||
459 |
// Look up the CDropTargetContextPeer class: |
|
460 |
JNF_STATIC_MEMBER_CACHE(getDropTargetContextPeerMethod, jc_CDropTargetContextPeer, "getDropTargetContextPeer", "()Lsun/lwawt/macosx/CDropTargetContextPeer;"); |
|
461 |
if (sDraggingError == FALSE) { |
|
462 |
// Create a new drop target context peer: |
|
463 |
jobject dropTargetContextPeer = JNFCallStaticObjectMethod(env, getDropTargetContextPeerMethod); |
|
464 |
||
465 |
if (dropTargetContextPeer != nil) { |
|
466 |
fDropTargetContextPeer = JNFNewGlobalRef(env, dropTargetContextPeer); |
|
467 |
(*env)->DeleteLocalRef(env, dropTargetContextPeer); |
|
468 |
} |
|
469 |
} |
|
470 |
||
471 |
// Get dragging types (dragging data is only copied if dropped): |
|
472 |
if (sDraggingError == FALSE && [self copyDraggingTypes:sender] == FALSE) |
|
473 |
sDraggingError = TRUE; |
|
474 |
} |
|
475 |
||
476 |
if (sDraggingError == FALSE) { |
|
477 |
sDraggingExited = FALSE; |
|
478 |
sDraggingLocation = [sender draggingLocation]; |
|
479 |
NSPoint javaLocation = [fView convertPoint:sDraggingLocation fromView:nil]; |
|
20446
2452a42716c8
8024163: [macosx] NullPointerException at javax.swing.TransferHandler$DropHandler.handleDrag since jdk8b93, 7u40b28
pchelko
parents:
16710
diff
changeset
|
480 |
javaLocation.y = fView.window.frame.size.height - javaLocation.y; |
2452a42716c8
8024163: [macosx] NullPointerException at javax.swing.TransferHandler$DropHandler.handleDrag since jdk8b93, 7u40b28
pchelko
parents:
16710
diff
changeset
|
481 |
|
12047 | 482 |
DLog5(@"+ dragEnter: loc native %f, %f, java %f, %f\n", sDraggingLocation.x, sDraggingLocation.y, javaLocation.x, javaLocation.y); |
483 |
||
484 |
////////// BEGIN Calculate the current drag actions ////////// |
|
485 |
jint actions = java_awt_dnd_DnDConstants_ACTION_NONE; |
|
486 |
jint dropAction = actions; |
|
487 |
||
488 |
[self calculateCurrentSourceActions:&actions dropAction:&dropAction]; |
|
489 |
||
490 |
sJavaDropOperation = dropAction; |
|
491 |
////////// END Calculate the current drag actions ////////// |
|
492 |
||
493 |
jlongArray formats = sDraggingFormats; |
|
494 |
||
495 |
JNF_MEMBER_CACHE(handleEnterMessageMethod, jc_CDropTargetContextPeer, "handleEnterMessage", "(Ljava/awt/Component;IIII[JJ)I"); |
|
496 |
if (sDraggingError == FALSE) { |
|
497 |
// Double-casting self gets rid of 'different size' compiler warning: |
|
16710 | 498 |
// AWT_THREADING Safe (CToolkitThreadBlockedHandler) |
499 |
actions = JNFCallIntMethod(env, fDropTargetContextPeer, handleEnterMessageMethod, |
|
500 |
fComponent, (jint) javaLocation.x, (jint) javaLocation.y, |
|
501 |
dropAction, actions, formats, ptr_to_jlong(self)); |
|
12047 | 502 |
} |
503 |
||
504 |
if (sDraggingError == FALSE) { |
|
505 |
// Initialize drag operation: |
|
506 |
sDragOperation = NSDragOperationNone; |
|
507 |
||
508 |
// Map Java actions back to NSDragOperation. |
|
509 |
// 1-6-03 Note: if the entry point of this CDropTarget isn't covered by a droppable component |
|
510 |
// (as can be the case with lightweight children) we must not return NSDragOperationNone |
|
511 |
// since that would prevent dropping into any of the contained drop targets. |
|
512 |
// Unfortunately there is no easy way to test this so we just test actions and override them |
|
513 |
// with GENERIC if necessary. Proper drag operations will be returned by draggingUpdated: which is |
|
514 |
// called right away, taking care of setting the right cursor and snap-back action. |
|
515 |
dragOp = ((actions != java_awt_dnd_DnDConstants_ACTION_NONE) ? |
|
516 |
[DnDUtilities mapJavaDragOperationToNS:dropAction] : NSDragOperationGeneric); |
|
517 |
||
518 |
// Remember the dragOp for no-op'd update messages: |
|
519 |
sUpdateOperation = dragOp; |
|
520 |
} |
|
521 |
} |
|
522 |
||
523 |
// 9-11-02 Note: the native event thread would not handle an exception gracefully: |
|
524 |
//if (sDraggingError == TRUE) |
|
525 |
// [NSException raise:NSGenericException format:@"[CDropTarget draggingEntered] failed."]; |
|
526 |
||
527 |
DLog2(@"[CDropTarget draggingEntered]: returning %lu\n", (unsigned long) dragOp); |
|
528 |
||
529 |
return dragOp; |
|
530 |
} |
|
531 |
||
532 |
- (NSDragOperation)draggingUpdated:(id<NSDraggingInfo>)sender |
|
533 |
{ |
|
534 |
//DLog2(@"[CDropTarget draggingUpdated]: %@\n", self); |
|
535 |
||
536 |
sCurrentDropTarget = self; |
|
537 |
||
538 |
// Set the initial drag operation return value: |
|
539 |
NSDragOperation dragOp = (sDraggingError == FALSE ? sUpdateOperation : NSDragOperationNone); |
|
540 |
||
541 |
// There are two things we would be interested in: |
|
542 |
// a) mouse pointer has moved |
|
543 |
// b) drag actions (key modifiers) have changed |
|
544 |
||
545 |
NSPoint draggingLocation = [sender draggingLocation]; |
|
546 |
JNIEnv* env = [ThreadUtilities getJNIEnv]; |
|
547 |
||
548 |
BOOL notifyJava = FALSE; |
|
549 |
||
550 |
// a) mouse pointer has moved: |
|
551 |
if (NSEqualPoints(draggingLocation, sDraggingLocation) == FALSE) { |
|
552 |
//DLog2(@"[CDropTarget draggingUpdated]: mouse moved, %@\n", self); |
|
553 |
sDraggingLocation = draggingLocation; |
|
554 |
notifyJava = TRUE; |
|
555 |
} |
|
556 |
||
557 |
// b) drag actions (key modifiers) have changed (handleMotionMessage() will do proper notifications): |
|
558 |
////////// BEGIN Calculate the current drag actions ////////// |
|
559 |
jint actions = java_awt_dnd_DnDConstants_ACTION_NONE; |
|
560 |
jint dropAction = actions; |
|
561 |
||
562 |
[self calculateCurrentSourceActions:&actions dropAction:&dropAction]; |
|
563 |
||
564 |
if (sJavaDropOperation != dropAction) { |
|
565 |
sJavaDropOperation = dropAction; |
|
566 |
notifyJava = TRUE; |
|
567 |
} |
|
568 |
////////// END Calculate the current drag actions ////////// |
|
569 |
||
570 |
jint userAction = dropAction; |
|
571 |
||
572 |
// Should we notify Java things have changed? |
|
573 |
if (sDraggingError == FALSE && notifyJava) { |
|
574 |
NSPoint javaLocation = [fView convertPoint:sDraggingLocation fromView:nil]; |
|
20446
2452a42716c8
8024163: [macosx] NullPointerException at javax.swing.TransferHandler$DropHandler.handleDrag since jdk8b93, 7u40b28
pchelko
parents:
16710
diff
changeset
|
575 |
javaLocation.y = fView.window.frame.size.height - javaLocation.y; |
12047 | 576 |
//DLog5(@" : dragMoved: loc native %f, %f, java %f, %f\n", sDraggingLocation.x, sDraggingLocation.y, javaLocation.x, javaLocation.y); |
577 |
||
578 |
jlongArray formats = sDraggingFormats; |
|
579 |
||
580 |
JNF_MEMBER_CACHE(handleMotionMessageMethod, jc_CDropTargetContextPeer, "handleMotionMessage", "(Ljava/awt/Component;IIII[JJ)I"); |
|
581 |
if (sDraggingError == FALSE) { |
|
582 |
DLog3(@" >> posting handleMotionMessage, point %f, %f", javaLocation.x, javaLocation.y); |
|
583 |
userAction = JNFCallIntMethod(env, fDropTargetContextPeer, handleMotionMessageMethod, fComponent, (jint) javaLocation.x, (jint) javaLocation.y, dropAction, actions, formats, ptr_to_jlong(self)); // AWT_THREADING Safe (CToolkitThreadBlockedHandler) |
|
584 |
} |
|
585 |
||
586 |
if (sDraggingError == FALSE) { |
|
587 |
dragOp = [DnDUtilities mapJavaDragOperationToNS:userAction]; |
|
588 |
||
589 |
// Remember the dragOp for no-op'd update messages: |
|
590 |
sUpdateOperation = dragOp; |
|
591 |
} else { |
|
592 |
dragOp = NSDragOperationNone; |
|
593 |
} |
|
594 |
} |
|
595 |
||
596 |
DLog2(@"[CDropTarget draggingUpdated]: returning %lu\n", (unsigned long) dragOp); |
|
597 |
||
598 |
return dragOp; |
|
599 |
} |
|
600 |
||
601 |
- (void)draggingExited:(id<NSDraggingInfo>)sender |
|
602 |
{ |
|
603 |
DLog2(@"[CDropTarget draggingExited]: %@\n", self); |
|
604 |
||
605 |
sCurrentDropTarget = nil; |
|
606 |
||
607 |
JNIEnv* env = [ThreadUtilities getJNIEnv]; |
|
608 |
||
609 |
if (sDraggingExited == FALSE && sDraggingError == FALSE) { |
|
610 |
JNF_MEMBER_CACHE(handleExitMessageMethod, jc_CDropTargetContextPeer, "handleExitMessage", "(Ljava/awt/Component;J)V"); |
|
611 |
if (sDraggingError == FALSE) { |
|
612 |
DLog3(@" - dragExit: loc native %f, %f\n", sDraggingLocation.x, sDraggingLocation.y); |
|
16710 | 613 |
// AWT_THREADING Safe (CToolkitThreadBlockedHandler) |
614 |
JNFCallVoidMethod(env, fDropTargetContextPeer, |
|
615 |
handleExitMessageMethod, fComponent, ptr_to_jlong(self)); |
|
12047 | 616 |
} |
617 |
||
618 |
// 5-27-03 Note: [Radar 3270455] |
|
619 |
// -draggingExited: can be called both by the AppKit and by -performDragOperation: but shouldn't execute |
|
620 |
// twice per drop since cleanup code like that in swing/plaf/basic/BasicDropTargetListener would throw NPEs. |
|
621 |
sDraggingExited = TRUE; |
|
622 |
} |
|
623 |
||
624 |
DLog(@"[CDropTarget draggingExited]: returning.\n"); |
|
625 |
} |
|
626 |
||
627 |
- (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender |
|
628 |
{ |
|
629 |
DLog2(@"[CDropTarget prepareForDragOperation]: %@\n", self); |
|
630 |
DLog2(@"[CDropTarget prepareForDragOperation]: returning %@\n", (sDraggingError ? @"NO" : @"YES")); |
|
631 |
||
632 |
return sDraggingError ? NO : YES; |
|
633 |
} |
|
634 |
||
635 |
- (BOOL)performDragOperation:(id<NSDraggingInfo>)sender |
|
636 |
{ |
|
637 |
DLog2(@"[CDropTarget performDragOperation]: %@\n", self); |
|
638 |
||
639 |
sCurrentDropTarget = nil; |
|
640 |
||
641 |
JNIEnv* env = [ThreadUtilities getJNIEnv]; |
|
642 |
||
643 |
// Now copy dragging data: |
|
644 |
if (sDraggingError == FALSE && [self copyDraggingData:sender] == FALSE) |
|
645 |
sDraggingError = TRUE; |
|
646 |
||
647 |
if (sDraggingError == FALSE) { |
|
648 |
sDraggingLocation = [sender draggingLocation]; |
|
649 |
NSPoint javaLocation = [fView convertPoint:sDraggingLocation fromView:nil]; |
|
12416
7f39181f3c6e
7161109: [macosx] JCK AWT interactive test DnDTextDropTest fails on MacOS
kizune
parents:
12047
diff
changeset
|
650 |
// The y coordinate that comes in the NSDraggingInfo seems to be reversed - probably |
7f39181f3c6e
7161109: [macosx] JCK AWT interactive test DnDTextDropTest fails on MacOS
kizune
parents:
12047
diff
changeset
|
651 |
// has to do something with the type of view it comes to. |
7f39181f3c6e
7161109: [macosx] JCK AWT interactive test DnDTextDropTest fails on MacOS
kizune
parents:
12047
diff
changeset
|
652 |
// This is the earliest place where we can correct it. |
7f39181f3c6e
7161109: [macosx] JCK AWT interactive test DnDTextDropTest fails on MacOS
kizune
parents:
12047
diff
changeset
|
653 |
javaLocation.y = fView.window.frame.size.height - javaLocation.y; |
12047 | 654 |
|
655 |
jint actions = [DnDUtilities mapNSDragOperationMaskToJava:[sender draggingSourceOperationMask]]; |
|
656 |
jint dropAction = sJavaDropOperation; |
|
657 |
||
658 |
jlongArray formats = sDraggingFormats; |
|
659 |
||
660 |
JNF_MEMBER_CACHE(handleDropMessageMethod, jc_CDropTargetContextPeer, "handleDropMessage", "(Ljava/awt/Component;IIII[JJ)V"); |
|
661 |
||
662 |
if (sDraggingError == FALSE) { |
|
663 |
JNFCallVoidMethod(env, fDropTargetContextPeer, handleDropMessageMethod, fComponent, (jint) javaLocation.x, (jint) javaLocation.y, dropAction, actions, formats, ptr_to_jlong(self)); // AWT_THREADING Safe (event) |
|
664 |
} |
|
665 |
||
666 |
if (sDraggingError == FALSE) { |
|
667 |
JNF_MEMBER_CACHE(flushEventsMethod, jc_CDropTargetContextPeer, "flushEvents", "(Ljava/awt/Component;)V"); |
|
668 |
if (sDraggingError == FALSE) { |
|
669 |
JNFCallVoidMethod(env, fDropTargetContextPeer, flushEventsMethod, fComponent); // AWT_THREADING Safe (AWTRunLoopMode) |
|
670 |
} |
|
671 |
} |
|
672 |
} else { |
|
673 |
// 8-19-03 Note: [Radar 3368754] |
|
674 |
// draggingExited: is not called after a drop - we must do that here ... but only in case |
|
675 |
// of an error, instead of drop(). Otherwise we get twice the cleanup in shared code. |
|
676 |
[self draggingExited:sender]; |
|
677 |
} |
|
678 |
||
679 |
// TODO:BG |
|
680 |
// [(id)sender _setLastDragDestinationOperation:sDragOperation]; |
|
681 |
||
682 |
||
683 |
DLog2(@"[CDropTarget performDragOperation]: returning %@\n", (sDraggingError ? @"NO" : @"YES")); |
|
684 |
||
685 |
return !sDraggingError; |
|
686 |
} |
|
687 |
||
688 |
- (void)concludeDragOperation:(id<NSDraggingInfo>)sender |
|
689 |
{ |
|
690 |
sCurrentDropTarget = nil; |
|
691 |
||
692 |
DLog2(@"[CDropTarget concludeDragOperation]: %@\n", self); |
|
693 |
DLog(@"[CDropTarget concludeDragOperation]: returning.\n"); |
|
694 |
} |
|
695 |
||
696 |
// 9-11-02 Note: draggingEnded is not yet implemented by the AppKit. |
|
697 |
- (void)draggingEnded:(id<NSDraggingInfo>)sender |
|
698 |
{ |
|
699 |
sCurrentDropTarget = nil; |
|
700 |
||
701 |
DLog2(@"[CDropTarget draggingEnded]: %@\n", self); |
|
702 |
DLog(@"[CDropTarget draggingEnded]: returning.\n"); |
|
703 |
} |
|
704 |
||
705 |
/******************************** END NSDraggingDestination Interface ********************************/ |
|
706 |
||
707 |
@end |
|
708 |
||
709 |
||
710 |
/* |
|
711 |
* Class: sun_lwawt_macosx_CDropTarget |
|
712 |
* Method: createNativeDropTarget |
|
713 |
* Signature: (Ljava/awt/dnd/DropTarget;Ljava/awt/Component;Ljava/awt/peer/ComponentPeer;J)J |
|
714 |
*/ |
|
715 |
JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CDropTarget_createNativeDropTarget |
|
716 |
(JNIEnv *env, jobject jthis, jobject jdroptarget, jobject jcomponent, jobject jpeer, jlong jnativepeer) |
|
717 |
{ |
|
718 |
CDropTarget* dropTarget = nil; |
|
719 |
||
720 |
JNF_COCOA_ENTER(env); |
|
721 |
id controlObj = (id) jlong_to_ptr(jnativepeer); |
|
722 |
dropTarget = [[CDropTarget alloc] init:jdroptarget component:jcomponent peer:jpeer control:controlObj]; |
|
723 |
JNF_COCOA_EXIT(env); |
|
724 |
||
725 |
if (dropTarget) { |
|
726 |
CFRetain(dropTarget); // GC |
|
727 |
[dropTarget release]; |
|
728 |
} |
|
729 |
return ptr_to_jlong(dropTarget); |
|
730 |
} |
|
731 |
||
732 |
/* |
|
733 |
* Class: sun_lwawt_macosx_CDropTarget |
|
734 |
* Method: releaseNativeDropTarget |
|
735 |
* Signature: (J)V |
|
736 |
*/ |
|
737 |
JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CDropTarget_releaseNativeDropTarget |
|
738 |
(JNIEnv *env, jobject jthis, jlong nativeDropTargetVal) |
|
739 |
{ |
|
740 |
id dropTarget = (id)jlong_to_ptr(nativeDropTargetVal); |
|
741 |
||
742 |
JNF_COCOA_ENTER(env); |
|
743 |
[dropTarget removeFromView:env]; |
|
744 |
JNF_COCOA_EXIT(env); |
|
745 |
} |