1 /*
2 * Copyright (c) 2011, 2016, 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 package sun.lwawt.macosx;
27
28 import java.awt.*;
29 import java.awt.geom.Rectangle2D;
30 import java.util.concurrent.atomic.AtomicBoolean;
31 import java.util.concurrent.atomic.AtomicInteger;
32 import java.util.concurrent.atomic.AtomicReference;
33
34 import sun.awt.CGraphicsConfig;
35 import sun.awt.CGraphicsEnvironment;
36 import sun.lwawt.LWWindowPeer;
37
38 import sun.java2d.SurfaceData;
39 import sun.java2d.opengl.CGLLayer;
40 import sun.java2d.opengl.CGLSurfaceData;
41
42 public class CPlatformView extends CFRetainedResource {
43 private native long nativeCreateView(int x, int y, int width, int height, long windowLayerPtr);
44 private static native void nativeSetAutoResizable(long awtView, boolean toResize);
45 private static native int nativeGetNSViewDisplayID(long awtView);
46 private static native Rectangle2D nativeGetLocationOnScreen(long awtView);
47 private static native boolean nativeIsViewUnderMouse(long ptr);
48
49 private LWWindowPeer peer;
50 private SurfaceData surfaceData;
51 private CGLLayer windowLayer;
52 private CPlatformResponder responder;
53
54 public CPlatformView() {
55 super(0, true);
56 }
57
58 public void initialize(LWWindowPeer peer, CPlatformResponder responder) {
59 initializeBase(peer, responder);
60
61 if (!LWCToolkit.getSunAwtDisableCALayers()) {
62 this.windowLayer = createCGLayer();
63 }
64 setPtr(nativeCreateView(0, 0, 0, 0, getWindowLayerPtr()));
65 }
66
67 public CGLLayer createCGLayer() {
68 return new CGLLayer(peer);
69 }
70
71 protected void initializeBase(LWWindowPeer peer, CPlatformResponder responder) {
72 this.peer = peer;
73 this.responder = responder;
74 }
75
76 public long getAWTView() {
77 return ptr;
78 }
79
80 public boolean isOpaque() {
81 return !peer.isTranslucent();
82 }
83
84 /*
85 * All coordinates passed to the method should be based on the origin being in the bottom-left corner (standard
86 * Cocoa coordinates).
87 */
88 public void setBounds(int x, int y, int width, int height) {
89 execute(ptr->CWrapper.NSView.setFrame(ptr, x, y, width, height));
90 }
91
92 // REMIND: CGLSurfaceData expects top-level's size
93 public Rectangle getBounds() {
94 return peer.getBounds();
95 }
96
97 public Object getDestination() {
98 return peer;
99 }
100
101 public void setToolTip(String msg) {
102 execute(ptr -> CWrapper.NSView.setToolTip(ptr, msg));
103 }
104
105 // ----------------------------------------------------------------------
106 // PAINTING METHODS
107 // ----------------------------------------------------------------------
108 public SurfaceData replaceSurfaceData() {
109 if (!LWCToolkit.getSunAwtDisableCALayers()) {
110 surfaceData = windowLayer.replaceSurfaceData();
111 } else {
112 if (surfaceData == null) {
113 CGraphicsConfig graphicsConfig = (CGraphicsConfig)getGraphicsConfiguration();
114 surfaceData = graphicsConfig.createSurfaceData(this);
115 } else {
116 validateSurface();
117 }
118 }
119 return surfaceData;
120 }
121
122 private void validateSurface() {
123 if (surfaceData != null) {
124 ((CGLSurfaceData)surfaceData).validate();
125 }
126 }
127
128 public GraphicsConfiguration getGraphicsConfiguration() {
129 return peer.getGraphicsConfiguration();
130 }
131
132 public SurfaceData getSurfaceData() {
133 return surfaceData;
134 }
135
136 @Override
137 public void dispose() {
138 if (!LWCToolkit.getSunAwtDisableCALayers()) {
139 windowLayer.dispose();
140 }
141 super.dispose();
142 }
143
144 public long getWindowLayerPtr() {
145 if (!LWCToolkit.getSunAwtDisableCALayers()) {
146 return windowLayer.getPointer();
147 } else {
148 return 0;
149 }
150 }
151
152 public void setAutoResizable(boolean toResize) {
153 execute(ptr -> nativeSetAutoResizable(ptr, toResize));
154 }
155
156 public boolean isUnderMouse() {
157 AtomicBoolean ref = new AtomicBoolean();
158 execute(ptr -> {
159 ref.set(nativeIsViewUnderMouse(ptr));
160 });
161 return ref.get();
162 }
163
164 public GraphicsDevice getGraphicsDevice() {
165 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
166 CGraphicsEnvironment cge = (CGraphicsEnvironment)ge;
167 AtomicInteger ref = new AtomicInteger();
168 execute(ptr -> {
169 ref.set(nativeGetNSViewDisplayID(ptr));
170 });
171 GraphicsDevice gd = cge.getScreenDevice(ref.get());
172 if (gd == null) {
173 // this could possibly happen during device removal
174 // use the default screen device in this case
175 gd = ge.getDefaultScreenDevice();
176 }
177 return gd;
178 }
179
180 public Point getLocationOnScreen() {
181 AtomicReference<Rectangle> ref = new AtomicReference<>();
182 execute(ptr -> {
183 ref.set(nativeGetLocationOnScreen(ptr).getBounds());
184 });
185 Rectangle r = ref.get();
186 if (r != null) {
187 return new Point(r.x, r.y);
188 }
189 return new Point(0, 0);
190 }
191
192 // ----------------------------------------------------------------------
193 // NATIVE CALLBACKS
194 // ----------------------------------------------------------------------
195
196 /*
197 * The callback is called only in the embedded case when the view is
198 * automatically resized by the superview.
199 * In normal mode this method is never called.
200 */
201 private void deliverResize(int x, int y, int w, int h) {
202 peer.notifyReshape(x, y, w, h);
203 }
204
205
206 private void deliverMouseEvent(final NSEvent event) {
207 int x = event.getX();
208 int y = getBounds().height - event.getY();
209 int absX = event.getAbsX();
210 int absY = event.getAbsY();
211
212 if (event.getType() == CocoaConstants.NSScrollWheel) {
213 responder.handleScrollEvent(x, y, absX, absY, event.getModifierFlags(),
214 event.getScrollDeltaX(), event.getScrollDeltaY(),
215 event.getScrollPhase());
216 } else {
217 responder.handleMouseEvent(event.getType(), event.getModifierFlags(), event.getButtonNumber(),
218 event.getClickCount(), x, y,
219 absX, absY);
220 }
221 }
222
223 private void deliverKeyEvent(NSEvent event) {
224 responder.handleKeyEvent(event.getType(), event.getModifierFlags(), event.getCharacters(),
225 event.getCharactersIgnoringModifiers(), event.getKeyCode(), true, false);
226 }
227
228 /**
229 * Called by the native delegate in layer backed view mode or in the simple
230 * NSView mode. See NSView.drawRect().
231 */
232 private void deliverWindowDidExposeEvent() {
233 peer.notifyExpose(peer.getSize());
234 }
235 }