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.image.VolatileImage;
30
31 import sun.awt.CGraphicsConfig;
32 import sun.lwawt.LWWindowPeer;
33 import sun.lwawt.macosx.event.NSEvent;
34
35 import sun.java2d.SurfaceData;
36 import sun.java2d.opengl.CGLLayer;
37 import sun.java2d.opengl.CGLSurfaceData;
38
39 public class CPlatformView extends CFRetainedResource {
40 private native long nativeCreateView(int x, int y, int width, int height, long windowLayerPtr);
41
42 private LWWindowPeer peer;
43 private SurfaceData surfaceData;
44 private CGLLayer windowLayer;
45 private CPlatformResponder responder;
46
47 public CPlatformView() {
48 super(0, true);
49 }
50
51 public void initialize(LWWindowPeer peer, CPlatformResponder responder) {
52 this.peer = peer;
53 this.responder = responder;
54
55 if (!LWCToolkit.getSunAwtDisableCALayers()) {
56 this.windowLayer = new CGLLayer(peer);
57 }
58 setPtr(nativeCreateView(0, 0, 0, 0, getWindowLayerPtr()));
59 }
60
61 public long getAWTView() {
62 return ptr;
63 }
64
65 public boolean isOpaque() {
66 return !peer.isTranslucent();
67 }
68
69 /*
70 * All coordinates passed to the method should be based on the origin being in the bottom-left corner (standard
71 * Cocoa coordinates).
72 */
73 public void setBounds(int x, int y, int width, int height) {
74 CWrapper.NSView.setFrame(ptr, x, y, width, height);
75 }
76
77 // REMIND: CGLSurfaceData expects top-level's size
78 public Rectangle getBounds() {
79 return peer.getBounds();
80 }
81
82 public Object getDestination() {
83 return peer;
84 }
85
86 public void enterFullScreenMode(final long nsWindowPtr) {
87 CWrapper.NSView.enterFullScreenMode(ptr);
88
89 // REMIND: CGLSurfaceData expects top-level's size
90 // and therefore we need to account insets before
91 // recreating the surface data
92 Insets insets = peer.getInsets();
93
94 Rectangle screenBounds;
95 final long screenPtr = CWrapper.NSWindow.screen(nsWindowPtr);
96 try {
97 screenBounds = CWrapper.NSScreen.frame(screenPtr).getBounds();
98 } finally {
99 CWrapper.NSObject.release(screenPtr);
100 }
101
102 // the move/size notification from the underlying system comes
103 // but it contains a bounds smaller than the whole screen
104 // and therefore we need to create the synthetic notifications
105 peer.notifyReshape(screenBounds.x - insets.left,
106 screenBounds.y - insets.bottom,
107 screenBounds.width + insets.left + insets.right,
108 screenBounds.height + insets.top + insets.bottom);
109 }
110
111 public void exitFullScreenMode() {
112 CWrapper.NSView.exitFullScreenMode(ptr);
113 }
114
115 // ----------------------------------------------------------------------
116 // PAINTING METHODS
117 // ----------------------------------------------------------------------
118
119 public void drawImageOnPeer(VolatileImage xBackBuffer, int x1, int y1, int x2, int y2) {
120 Graphics g = peer.getGraphics();
121 try {
122 g.drawImage(xBackBuffer, x1, y1, x2, y2, x1, y1, x2, y2, null);
123 } finally {
124 g.dispose();
125 }
126 }
127
128 public Image createBackBuffer() {
129 Rectangle r = peer.getBounds();
130 Image im = null;
131 if (!r.isEmpty()) {
132 int transparency = (isOpaque() ? Transparency.OPAQUE : Transparency.TRANSLUCENT);
133 im = peer.getGraphicsConfiguration().createCompatibleImage(r.width, r.height, transparency);
134 }
135 return im;
136 }
137
138 public SurfaceData replaceSurfaceData() {
139 if (!LWCToolkit.getSunAwtDisableCALayers()) {
140 surfaceData = windowLayer.replaceSurfaceData();
141 } else {
142 if (surfaceData == null) {
143 CGraphicsConfig graphicsConfig = (CGraphicsConfig)peer.getGraphicsConfiguration();
144 surfaceData = graphicsConfig.createSurfaceData(this);
145 } else {
146 validateSurface();
147 }
148 }
149 return surfaceData;
150 }
151
152 private void validateSurface() {
153 if (surfaceData != null) {
154 ((CGLSurfaceData)surfaceData).validate();
155 }
156 }
157
158 public GraphicsConfiguration getGraphicsConfiguration() {
159 return peer.getGraphicsConfiguration();
160 }
161
162 public SurfaceData getSurfaceData() {
163 return surfaceData;
164 }
165
166 @Override
167 public void dispose() {
168 if (!LWCToolkit.getSunAwtDisableCALayers()) {
169 windowLayer.dispose();
170 }
171 super.dispose();
172 }
173
174 public long getWindowLayerPtr() {
175 if (!LWCToolkit.getSunAwtDisableCALayers()) {
176 return windowLayer.getPointer();
177 } else {
178 return 0;
179 }
180 }
181
182 // ----------------------------------------------------------------------
183 // NATIVE CALLBACKS
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 }