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