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
27 package sun.lwawt.macosx;
28
29 import java.awt.*;
30 import java.awt.datatransfer.*;
31 import java.awt.dnd.*;
32 import java.awt.event.*;
33 import java.awt.image.*;
34 import java.awt.peer.*;
35
36 import javax.swing.*;
37 import javax.swing.text.*;
38 import javax.accessibility.*;
39
40 import java.util.Map;
41 import java.util.concurrent.Callable;
42
43 import sun.awt.dnd.*;
44 import sun.lwawt.LWComponentPeer;
45 import sun.lwawt.LWWindowPeer;
46 import sun.lwawt.PlatformWindow;
47
48
49 public final class CDragSourceContextPeer extends SunDragSourceContextPeer {
50
51 private static final CDragSourceContextPeer fInstance = new CDragSourceContextPeer(null);
52
53 private Image fDragImage;
54 private CImage fDragCImage;
55 private Point fDragImageOffset;
56
57 private static Component hoveringComponent = null;
58
59 private static double fMaxImageSize = 128.0;
60
61 static {
62 String propValue = java.security.AccessController.doPrivileged(new sun.security.action.GetPropertyAction("apple.awt.dnd.defaultDragImageSize"));
71 }
72
73 private CDragSourceContextPeer(DragGestureEvent dge) {
74 super(dge);
75 }
76
77 public static CDragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException {
78 fInstance.setTrigger(dge);
79
80 return fInstance;
81 }
82
83 // We have to overload this method just to be able to grab the drag image and its offset as shared code doesn't store it:
84 public void startDrag(DragSourceContext dsc, Cursor cursor, Image dragImage, Point dragImageOffset) throws InvalidDnDOperationException {
85 fDragImage = dragImage;
86 fDragImageOffset = dragImageOffset;
87
88 super.startDrag(dsc, cursor, dragImage, dragImageOffset);
89 }
90
91 @SuppressWarnings("deprecation")
92 protected void startDrag(Transferable transferable, long[] formats, Map<Long, DataFlavor> formatMap) {
93 DragGestureEvent trigger = getTrigger();
94 InputEvent triggerEvent = trigger.getTriggerEvent();
95
96 Point dragOrigin = new Point(trigger.getDragOrigin());
97 int extModifiers = (triggerEvent.getModifiers() | triggerEvent.getModifiersEx());
98 long timestamp = triggerEvent.getWhen();
99 int clickCount = ((triggerEvent instanceof MouseEvent) ? (((MouseEvent) triggerEvent).getClickCount()) : 1);
100
101 Component component = trigger.getComponent();
102 // For a lightweight component traverse up the hierarchy to the root
103 Point loc = component.getLocation();
104 Component rootComponent = component;
105 while (!(rootComponent instanceof Window)) {
106 dragOrigin.translate(loc.x, loc.y);
107 rootComponent = rootComponent.getParent();
108 loc = rootComponent.getLocation();
109 }
110
111 // If there isn't any drag image make one of default appearance:
118 if (fDragImage != null) {
119 try {
120 fDragCImage = CImage.getCreator().createFromImageImmediately(fDragImage);
121 } catch(Exception e) {
122 // image creation may fail for any reason
123 throw new InvalidDnDOperationException("Drag image can not be created.");
124 }
125 if (fDragCImage == null) {
126 throw new InvalidDnDOperationException("Drag image is not ready.");
127 }
128
129 dragImageOffset = fDragImageOffset;
130 } else {
131
132 fDragCImage = null;
133 dragImageOffset = new Point(0, 0);
134 }
135
136 try {
137 //It sure will be LWComponentPeer instance as rootComponent is a Window
138 PlatformWindow platformWindow = ((LWComponentPeer)rootComponent.getPeer()).getPlatformWindow();
139 long nativeViewPtr = CPlatformWindow.getNativeViewPtr(platformWindow);
140 if (nativeViewPtr == 0L) throw new InvalidDnDOperationException("Unsupported platform window implementation");
141
142 // Create native dragging source:
143 final long nativeDragSource = createNativeDragSource(component, nativeViewPtr, transferable, triggerEvent,
144 (int) (dragOrigin.getX()), (int) (dragOrigin.getY()), extModifiers,
145 clickCount, timestamp, fDragCImage != null ? fDragCImage.ptr : 0L, dragImageOffset.x, dragImageOffset.y,
146 getDragSourceContext().getSourceActions(), formats, formatMap);
147
148 if (nativeDragSource == 0)
149 throw new InvalidDnDOperationException("");
150
151 setNativeContext(nativeDragSource);
152 }
153
154 catch (Exception e) {
155 throw new InvalidDnDOperationException("failed to create native peer: " + e);
156 }
157
158 SunDropTargetContextPeer.setCurrentJVMLocalSourceTransferable(transferable);
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1 /*
2 * Copyright (c) 2011, 2015, 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
27 package sun.lwawt.macosx;
28
29 import java.awt.*;
30 import java.awt.datatransfer.*;
31 import java.awt.dnd.*;
32 import java.awt.event.*;
33 import java.awt.image.*;
34
35 import javax.swing.*;
36 import javax.swing.text.*;
37 import javax.accessibility.*;
38
39 import java.util.Map;
40 import java.util.concurrent.Callable;
41
42 import sun.awt.AWTAccessor;
43 import sun.awt.dnd.*;
44 import sun.lwawt.LWComponentPeer;
45 import sun.lwawt.LWWindowPeer;
46 import sun.lwawt.PlatformWindow;
47
48
49 public final class CDragSourceContextPeer extends SunDragSourceContextPeer {
50
51 private static final CDragSourceContextPeer fInstance = new CDragSourceContextPeer(null);
52
53 private Image fDragImage;
54 private CImage fDragCImage;
55 private Point fDragImageOffset;
56
57 private static Component hoveringComponent = null;
58
59 private static double fMaxImageSize = 128.0;
60
61 static {
62 String propValue = java.security.AccessController.doPrivileged(new sun.security.action.GetPropertyAction("apple.awt.dnd.defaultDragImageSize"));
71 }
72
73 private CDragSourceContextPeer(DragGestureEvent dge) {
74 super(dge);
75 }
76
77 public static CDragSourceContextPeer createDragSourceContextPeer(DragGestureEvent dge) throws InvalidDnDOperationException {
78 fInstance.setTrigger(dge);
79
80 return fInstance;
81 }
82
83 // We have to overload this method just to be able to grab the drag image and its offset as shared code doesn't store it:
84 public void startDrag(DragSourceContext dsc, Cursor cursor, Image dragImage, Point dragImageOffset) throws InvalidDnDOperationException {
85 fDragImage = dragImage;
86 fDragImageOffset = dragImageOffset;
87
88 super.startDrag(dsc, cursor, dragImage, dragImageOffset);
89 }
90
91 protected void startDrag(Transferable transferable, long[] formats, Map<Long, DataFlavor> formatMap) {
92 DragGestureEvent trigger = getTrigger();
93 InputEvent triggerEvent = trigger.getTriggerEvent();
94
95 Point dragOrigin = new Point(trigger.getDragOrigin());
96 int extModifiers = (triggerEvent.getModifiers() | triggerEvent.getModifiersEx());
97 long timestamp = triggerEvent.getWhen();
98 int clickCount = ((triggerEvent instanceof MouseEvent) ? (((MouseEvent) triggerEvent).getClickCount()) : 1);
99
100 Component component = trigger.getComponent();
101 // For a lightweight component traverse up the hierarchy to the root
102 Point loc = component.getLocation();
103 Component rootComponent = component;
104 while (!(rootComponent instanceof Window)) {
105 dragOrigin.translate(loc.x, loc.y);
106 rootComponent = rootComponent.getParent();
107 loc = rootComponent.getLocation();
108 }
109
110 // If there isn't any drag image make one of default appearance:
117 if (fDragImage != null) {
118 try {
119 fDragCImage = CImage.getCreator().createFromImageImmediately(fDragImage);
120 } catch(Exception e) {
121 // image creation may fail for any reason
122 throw new InvalidDnDOperationException("Drag image can not be created.");
123 }
124 if (fDragCImage == null) {
125 throw new InvalidDnDOperationException("Drag image is not ready.");
126 }
127
128 dragImageOffset = fDragImageOffset;
129 } else {
130
131 fDragCImage = null;
132 dragImageOffset = new Point(0, 0);
133 }
134
135 try {
136 //It sure will be LWComponentPeer instance as rootComponent is a Window
137 LWComponentPeer<?, ?> peer = AWTAccessor.getComponentAccessor()
138 .getPeer(rootComponent);
139 PlatformWindow platformWindow = peer.getPlatformWindow();
140 long nativeViewPtr = CPlatformWindow.getNativeViewPtr(platformWindow);
141 if (nativeViewPtr == 0L) throw new InvalidDnDOperationException("Unsupported platform window implementation");
142
143 // Create native dragging source:
144 final long nativeDragSource = createNativeDragSource(component, nativeViewPtr, transferable, triggerEvent,
145 (int) (dragOrigin.getX()), (int) (dragOrigin.getY()), extModifiers,
146 clickCount, timestamp, fDragCImage != null ? fDragCImage.ptr : 0L, dragImageOffset.x, dragImageOffset.y,
147 getDragSourceContext().getSourceActions(), formats, formatMap);
148
149 if (nativeDragSource == 0)
150 throw new InvalidDnDOperationException("");
151
152 setNativeContext(nativeDragSource);
153 }
154
155 catch (Exception e) {
156 throw new InvalidDnDOperationException("failed to create native peer: " + e);
157 }
158
159 SunDropTargetContextPeer.setCurrentJVMLocalSourceTransferable(transferable);
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