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