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