1 /*

     2  * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 #import "sun_lwawt_macosx_CDragSourceContextPeer.h"

    27 

    28 #import <JavaNativeFoundation/JavaNativeFoundation.h>

    29 

    30 #import "CDragSource.h"

    31 #import "ThreadUtilities.h"

    32 

    33 

    34 /*

    35  * Class:     sun_lwawt_macosx_CDragSourceContextPeer

    36  * Method:    createNativeDragSource

    37  * Signature: (Ljava/awt/Component;JLjava/awt/datatransfer/Transferable;

    38                Ljava/awt/event/InputEvent;IIIIJIJIII[JLjava/util/Map;)J

    39  */

    40 JNIEXPORT jlong JNICALL Java_sun_lwawt_macosx_CDragSourceContextPeer_createNativeDragSource

    41   (JNIEnv *env, jobject jthis, jobject jcomponent, jlong jnativepeer, jobject jtransferable,

    42    jobject jtrigger, jint jdragposx, jint jdragposy, jint jextmodifiers, jint jclickcount, jlong jtimestamp,

    43    jlong nsdragimageptr, jint jdragimageoffsetx, jint jdragimageoffsety,

    44    jint jsourceactions, jlongArray jformats, jobject jformatmap)

    45 {

    46     id controlObj = (id) jlong_to_ptr(jnativepeer);

    47     __block CDragSource* dragSource = nil;

    48 

    49 JNF_COCOA_ENTER(env);

    50 

    51     // Global references are disposed when the DragSource is removed

    52     jobject gComponent = JNFNewGlobalRef(env, jcomponent);

    53     jobject gDragSourceContextPeer = JNFNewGlobalRef(env, jthis);

    54     jobject gTransferable = JNFNewGlobalRef(env, jtransferable);

    55     jobject gTriggerEvent = JNFNewGlobalRef(env, jtrigger);

    56     jlongArray gFormats = JNFNewGlobalRef(env, jformats);

    57     jobject gFormatMap = JNFNewGlobalRef(env, jformatmap);

    58 

    59     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){

    60         dragSource = [[CDragSource alloc] init:gDragSourceContextPeer

    61                                      component:gComponent

    62                                        control:controlObj

    63                                   transferable:gTransferable

    64                                   triggerEvent:gTriggerEvent

    65                                       dragPosX:jdragposx

    66                                       dragPosY:jdragposy

    67                                      modifiers:jextmodifiers

    68                                     clickCount:jclickcount

    69                                      timeStamp:jtimestamp

    70                                      dragImage:nsdragimageptr

    71                               dragImageOffsetX:jdragimageoffsetx

    72                               dragImageOffsetY:jdragimageoffsety

    73                                  sourceActions:jsourceactions

    74                                        formats:gFormats

    75                                      formatMap:gFormatMap];

    76     }];

    77 JNF_COCOA_EXIT(env);

    78 

    79     return ptr_to_jlong(dragSource);

    80 }

    81 

    82 /*

    83  * Class:     sun_lwawt_macosx_CDragSourceContextPeer

    84  * Method:    doDragging

    85  * Signature: (J)V

    86  */

    87 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CDragSourceContextPeer_doDragging

    88   (JNIEnv *env, jobject jthis, jlong nativeDragSourceVal)

    89 {

    90     AWT_ASSERT_NOT_APPKIT_THREAD;

    91 

    92     CDragSource* dragSource = (CDragSource*) jlong_to_ptr(nativeDragSourceVal);

    93 

    94 JNF_COCOA_ENTER(env);

    95     [dragSource drag];

    96 JNF_COCOA_EXIT(env);

    97 }

    98 

    99 /*

   100  * Class:     sun_lwawt_macosx_CDragSourceContextPeer

   101  * Method:    releaseNativeDragSource

   102  * Signature: (J)V

   103  */

   104 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CDragSourceContextPeer_releaseNativeDragSource

   105   (JNIEnv *env, jobject jthis, jlong nativeDragSourceVal)

   106 {

   107       CDragSource* dragSource = (CDragSource*) jlong_to_ptr(nativeDragSourceVal);

   108 

   109 JNF_COCOA_ENTER(env);

   110     [dragSource removeFromView:env];

   111 JNF_COCOA_EXIT(env);

   112 }