| /* |
| * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #import "sun_lwawt_macosx_CDropTargetContextPeer.h" |
| |
| #import <JavaNativeFoundation/JavaNativeFoundation.h> |
| |
| #import "CDataTransferer.h" |
| #import "CDropTarget.h" |
| #import "DnDUtilities.h" |
| #import "ThreadUtilities.h" |
| |
| JNF_CLASS_CACHE(jc_CDropTargetContextPeer, "sun/lwawt/macosx/CDropTargetContextPeer"); |
| |
| |
| static void TransferFailed(JNIEnv *env, jobject jthis, jlong jdroptarget, jlong jdroptransfer, jlong jformat) { |
| AWT_ASSERT_NOT_APPKIT_THREAD; |
| JNF_MEMBER_CACHE(transferFailedMethod, jc_CDropTargetContextPeer, "transferFailed", "(J)V"); |
| JNFCallVoidMethod(env, jthis, transferFailedMethod, jformat); // AWT_THREADING Safe (!appKit) |
| } |
| |
| static CDropTarget* GetCDropTarget(jlong jdroptarget) { |
| CDropTarget* dropTarget = (CDropTarget*) jlong_to_ptr(jdroptarget); |
| |
| // Make sure the drop target is of the right kind: |
| if ([dropTarget isKindOfClass:[CDropTarget class]]) { |
| return dropTarget; |
| } |
| |
| return nil; |
| } |
| |
| |
| /* |
| * Class: sun_lwawt_macosx_CDropTargetContextPeer |
| * Method: startTransfer |
| * Signature: (JJ)J |
| */ |
| JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CDropTargetContextPeer_startTransfer |
| (JNIEnv *env, jobject jthis, jlong jdroptarget, jlong jformat) |
| { |
| |
| jlong result = (jlong) 0L; |
| |
| // Currently startTransfer and endTransfer are synchronous since [CDropTarget copyDraggingDataForFormat] |
| // works off a data copy and doesn't have to go to the native event thread to get the data. |
| // We can have endTransfer just call startTransfer. |
| |
| JNF_COCOA_ENTER(env); |
| // Get the drop target native object: |
| CDropTarget* dropTarget = GetCDropTarget(jdroptarget); |
| if (dropTarget == nil) { |
| DLog2(@"[CDropTargetContextPeer startTransfer]: GetCDropTarget failed for %d.\n", (NSInteger) jdroptarget); |
| TransferFailed(env, jthis, jdroptarget, (jlong) 0L, jformat); |
| return result; |
| } |
| |
| JNF_MEMBER_CACHE(newDataMethod, jc_CDropTargetContextPeer, "newData", "(J[B)V"); |
| if ((*env)->ExceptionOccurred(env) || !newDataMethod) { |
| DLog2(@"[CDropTargetContextPeer startTransfer]: couldn't get newData method for %d.\n", (NSInteger) jdroptarget); |
| TransferFailed(env, jthis, jdroptarget, (jlong) 0L, jformat); |
| return result; |
| } |
| |
| // Get data from drop target: |
| jobject jdropdata = [dropTarget copyDraggingDataForFormat:jformat]; |
| if (!jdropdata) { |
| DLog2(@"[CDropTargetContextPeer startTransfer]: copyDraggingDataForFormat failed for %d.\n", (NSInteger) jdroptarget); |
| TransferFailed(env, jthis, jdroptarget, (jlong) 0L, jformat); |
| return result; |
| } |
| |
| // Pass the data to drop target: |
| @try { |
| JNFCallVoidMethod(env, jthis, newDataMethod, jformat, jdropdata); // AWT_THREADING Safe (!appKit) |
| } @catch (NSException *ex) { |
| DLog2(@"[CDropTargetContextPeer startTransfer]: exception in newData() for %d.\n", (NSInteger) jdroptarget); |
| JNFDeleteGlobalRef(env, jdropdata); |
| TransferFailed(env, jthis, jdroptarget, (jlong) 0L, jformat); |
| return result; |
| } |
| |
| // if no error return dropTarget's draggingSequence |
| result = [dropTarget getDraggingSequenceNumber]; |
| JNF_COCOA_EXIT(env); |
| |
| return result; |
| } |
| |
| /* |
| * Class: sun_lwawt_macosx_CDropTargetContextPeer |
| * Method: addTransfer |
| * Signature: (JJJ)V |
| */ |
| JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CDropTargetContextPeer_addTransfer |
| (JNIEnv *env, jobject jthis, jlong jdroptarget, jlong jdroptransfer, jlong jformat) |
| { |
| // Currently startTransfer and endTransfer are synchronous since [CDropTarget copyDraggingDataForFormat] |
| // works off a data copy and doesn't have to go to the native event thread to get the data. |
| // We can have endTransfer just call startTransfer. |
| |
| Java_sun_lwawt_macosx_CDropTargetContextPeer_startTransfer(env, jthis, jdroptarget, jformat); |
| |
| return; |
| } |
| |
| /* |
| * Class: sun_lwawt_macosx_CDropTargetContextPeer |
| * Method: dropDone |
| * Signature: (JJZZI)V |
| */ |
| JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CDropTargetContextPeer_dropDone |
| (JNIEnv *env, jobject jthis, jlong jdroptarget, jlong jdroptransfer, jboolean jislocal, jboolean jsuccess, jint jdropaction) |
| { |
| // Get the drop target native object: |
| JNF_COCOA_ENTER(env); |
| CDropTarget* dropTarget = GetCDropTarget(jdroptarget); |
| if (dropTarget == nil) { |
| DLog2(@"[CDropTargetContextPeer dropDone]: GetCDropTarget failed for %d.\n", (NSInteger) jdroptarget); |
| return; |
| } |
| |
| // Notify drop target Java is all done with this dragging sequence: |
| [dropTarget javaDraggingEnded:(jlong)jdroptransfer success:jsuccess action:jdropaction]; |
| JNF_COCOA_EXIT(env); |
| |
| return; |
| } |