1 /*
2 * Copyright (c) 2010, 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 com.sun.javafx.tk.quantum;
27
28 import com.sun.javafx.embed.HostDragStartListener;
29 import javafx.application.Platform;
30 import javafx.collections.ObservableList;
31 import javafx.event.EventType;
32 import javafx.scene.input.InputMethodEvent;
33 import javafx.scene.input.InputMethodRequests;
34 import javafx.scene.input.InputMethodTextRun;
35 import javafx.scene.input.MouseEvent;
36 import javafx.scene.input.ScrollEvent;
37 import javafx.scene.image.PixelFormat;
38 import java.nio.IntBuffer;
39 import java.security.AccessController;
40 import java.security.PrivilegedAction;
41 import com.sun.javafx.cursor.CursorFrame;
42 import com.sun.javafx.embed.AbstractEvents;
43 import com.sun.javafx.embed.EmbeddedSceneDTInterface;
44 import com.sun.javafx.embed.EmbeddedSceneInterface;
45 import com.sun.javafx.embed.HostInterface;
46 import com.sun.javafx.scene.input.KeyCodeMap;
47 import com.sun.javafx.scene.traversal.Direction;
48 import com.sun.javafx.sg.prism.NGNode;
49 import com.sun.javafx.tk.TKClipboard;
50 import com.sun.javafx.tk.Toolkit;
51 import com.sun.prism.paint.Color;
52 import com.sun.prism.paint.Paint;
53 import com.sun.glass.ui.Pixels;
54 import java.nio.ByteOrder;
55
56 final class EmbeddedScene extends GlassScene implements EmbeddedSceneInterface {
57
58 // TODO: synchronize access to embedder from ET and RT
59 private HostInterface host;
60
61 private UploadingPainter painter;
62 private PaintRenderJob paintRenderJob;
63 private float renderScaleX;
64 private float renderScaleY;
65
66 private final EmbeddedSceneDnD embeddedDnD;
67
68 private volatile IntBuffer texBits;
69 private volatile int texLineStride; // pre-scaled
70 private volatile float texScaleFactorX = 1.0f;
71 private volatile float texScaleFactorY = 1.0f;
72
73 private volatile PixelFormat<?> pixelFormat;
74
75 public EmbeddedScene(HostInterface host, boolean depthBuffer, boolean msaa) {
76 super(depthBuffer, msaa);
77 sceneState = new EmbeddedState(this);
78
79 this.host = host;
80 this.embeddedDnD = new EmbeddedSceneDnD(this);
81
82 PaintCollector collector = PaintCollector.getInstance();
83 painter = new UploadingPainter(this);
84 paintRenderJob = new PaintRenderJob(this, collector.getRendered(), painter);
85
86 int nativeFormat = Pixels.getNativeFormat();
87 ByteOrder byteorder = ByteOrder.nativeOrder();
88
89 if (nativeFormat == Pixels.Format.BYTE_BGRA_PRE &&
90 byteorder == ByteOrder.LITTLE_ENDIAN)
91 {
92 pixelFormat = PixelFormat.getIntArgbPreInstance();
93
94 } else if (nativeFormat == Pixels.Format.BYTE_ARGB &&
95 byteorder == ByteOrder.BIG_ENDIAN)
96 {
97 pixelFormat = PixelFormat.getIntArgbInstance();
98 }
99 assert pixelFormat != null;
100 }
101
102 @Override
103 public void dispose() {
104 assert host != null;
105 QuantumToolkit.runWithRenderLock(() -> {
106 host.setEmbeddedScene(null);
107 host = null;
108 updateSceneState();
109 painter = null;
110 paintRenderJob = null;
111 texBits = null;
112 return null;
113 });
114 super.dispose();
115 }
116
117 @Override
118 void setStage(GlassStage stage) {
119 super.setStage(stage);
120
121 assert host != null; // setStage() is called before dispose()
122 host.setEmbeddedScene(stage != null ? this : null);
123 }
124
125 @Override protected boolean isSynchronous() {
126 return false;
127 }
128
129 @Override public void setRoot(NGNode root) {
130 super.setRoot(root);
131 painter.setRoot(root);
132 }
133
134 @Override
135 public TKClipboard createDragboard(boolean isDragSource) {
136 return embeddedDnD.createDragboard(isDragSource);
137 }
138
139 @Override
140 public void enableInputMethodEvents(boolean enable) {
141 if (QuantumToolkit.verbose) {
142 System.err.println("EmbeddedScene.enableInputMethodEvents " + enable);
143 }
144 }
145
146 @Override
147 public void finishInputMethodComposition() {
148 if (QuantumToolkit.verbose) {
149 System.err.println("EmbeddedScene.finishInputMethodComposition");
150 }
151 }
152
153 @Override
154 public void setPixelScaleFactors(float scalex, float scaley) {
155 renderScaleX = scalex;
156 renderScaleY = scaley;
157 entireSceneNeedsRepaint();
158 }
159
160 public float getRenderScaleX() {
161 return renderScaleX;
162 }
163
164 public float getRenderScaleY() {
165 return renderScaleY;
166 }
167
168 @Override
169 public PixelFormat<?> getPixelFormat() {
170 return pixelFormat;
171 }
172
173 // Called by EmbeddedPainter on the render thread under renderLock
174 void uploadPixels(Pixels pixels) {
175 texBits = (IntBuffer)pixels.getPixels();
176 texLineStride = pixels.getWidthUnsafe();
177 texScaleFactorX = pixels.getScaleXUnsafe();
178 texScaleFactorY = pixels.getScaleYUnsafe();
179 if (host != null) {
180 host.repaint();
181 }
182 }
183
184 // EmbeddedSceneInterface methods
185
186 @Override
187 public void repaint() {
188 Toolkit tk = Toolkit.getToolkit();
189 tk.addRenderJob(paintRenderJob);
190 }
191
192 @Override
193 public boolean traverseOut(Direction dir) {
194 if (dir == Direction.NEXT) {
195 return host.traverseFocusOut(true);
196 } else if (dir == Direction.PREVIOUS) {
197 return host.traverseFocusOut(false);
198 }
199 return false;
200 }
201
202 @Override
203 public void setSize(final int width, final int height) {
204 Platform.runLater(() -> {
205 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
206 if (sceneListener != null) {
207 sceneListener.changedSize(width, height);
208 }
209 return null;
210 }, getAccessControlContext());
211 });
212 }
213
214 /**
215 * @param dest the destination buffer
216 * @param width the logical width of the buffer
217 * @param height the logical height of the buffer
218 * @param scale the scale factor
219 * @return
220 */
221 @Override
222 public boolean getPixels(final IntBuffer dest, final int width, final int height) {
223 return QuantumToolkit.runWithRenderLock(() -> {
224 int scaledWidth = width;
225 int scaledHeight = height;
226
227 // The dest buffer scale factor is expected to match painter.getPixelScaleFactor().
228 if (getRenderScaleX() != texScaleFactorX ||
229 getRenderScaleY() != texScaleFactorY ||
230 texBits == null)
231 {
232 return false;
233 }
234 scaledWidth = Math.round(scaledWidth * texScaleFactorX);
235 scaledHeight = Math.round(scaledHeight * texScaleFactorY);
236
237 dest.rewind();
238 texBits.rewind();
239 if (dest.capacity() != texBits.capacity()) {
240 // Calculate the intersection of the dest & src images.
241 int w = Math.min(scaledWidth, texLineStride);
242 int h = Math.min(scaledHeight, texBits.capacity() / texLineStride);
243
244 // Copy the intersection to the dest.
245 // The backed array of the textureBits may not be available,
246 // so not relying on it.
247 int[] linebuf = new int[w];
248 for (int i = 0; i < h; i++) {
249 texBits.position(i * texLineStride);
250 texBits.get(linebuf, 0, w);
251 dest.position(i * scaledWidth);
252 dest.put(linebuf);
253 }
254 return true;
255 }
256 dest.put(texBits);
257 return true;
258 });
259 }
260
261 @Override
262 protected Color getClearColor() {
263 if (fillPaint != null && fillPaint.getType() == Paint.Type.COLOR &&
264 ((Color)fillPaint).getAlpha() == 0f)
265 {
266 return (Color)fillPaint;
267 }
268 return super.getClearColor();
269 }
270
271 @Override
272 public void mouseEvent(final int type, final int button,
273 final boolean primaryBtnDown, final boolean middleBtnDown, final boolean secondaryBtnDown,
274 final int x, final int y, final int xAbs, final int yAbs,
275 final boolean shift, final boolean ctrl, final boolean alt, final boolean meta,
276 final boolean popupTrigger)
277 {
278 Platform.runLater(() -> {
279 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
280 if (sceneListener == null) {
281 return null;
282 }
283 // Click events are generated in Scene, so we don't expect them here
284 assert type != AbstractEvents.MOUSEEVENT_CLICKED;
285 EventType<MouseEvent> eventType = AbstractEvents.mouseIDToFXEventID(type);
286 sceneListener.mouseEvent(eventType, x, y, xAbs, yAbs,
287 AbstractEvents.mouseButtonToFXMouseButton(button),
288 popupTrigger, false, // do we know if it's synthesized? RT-20142
289 shift, ctrl, alt, meta,
290 primaryBtnDown, middleBtnDown, secondaryBtnDown);
291 return null;
292 }, getAccessControlContext());
293 });
294 }
295
296 @Override
297 public void scrollEvent(final int type, final double scrollX, final double scrollY,
298 final double x, final double y,
299 final double xAbs, final double yAbs,
300 final boolean shift, final boolean ctrl, final boolean alt, final boolean meta) {
301 {
302 Platform.runLater(() -> {
303 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
304 if (sceneListener == null) {
305 return null;
306 }
307 sceneListener.scrollEvent(ScrollEvent.SCROLL, scrollX, scrollY, 0, 0, 40.0, 40.0,
308 0, 0, 0, 0, 0,
309 x, y, xAbs, yAbs, shift, ctrl, alt, meta, false, false);
310 return null;
311 }, getAccessControlContext());
312 });
313 }
314 }
315
316 @Override
317 public void inputMethodEvent(final EventType<InputMethodEvent> type,
318 final ObservableList<InputMethodTextRun> composed, final String committed,
319 final int caretPosition) {
320 Platform.runLater(() -> {
321 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
322 if (sceneListener != null) {
323 sceneListener.inputMethodEvent(type, composed, committed, caretPosition);
324 }
325 return null;
326 });
327 });
328 }
329
330 @Override
331 public void menuEvent(final int x, final int y, final int xAbs, final int yAbs, final boolean isKeyboardTrigger) {
332 Platform.runLater(() -> {
333 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
334 if (sceneListener != null) {
335 sceneListener.menuEvent(x, y, xAbs, yAbs, isKeyboardTrigger);
336 }
337 return null;
338 }, getAccessControlContext());
339 });
340 }
341
342 @Override
343 public void keyEvent(final int type, final int key, final char[] ch, final int modifiers) {
344 Platform.runLater(() -> {
345 AccessController.doPrivileged((PrivilegedAction<Void>) () -> {
346 if (sceneListener != null) {
347 boolean shiftDown = (modifiers & AbstractEvents.MODIFIER_SHIFT) != 0;
348 boolean controlDown = (modifiers & AbstractEvents.MODIFIER_CONTROL) != 0;
349 boolean altDown = (modifiers & AbstractEvents.MODIFIER_ALT) != 0;
350 boolean metaDown = (modifiers & AbstractEvents.MODIFIER_META) != 0;
351
352 String str = new String(ch);
353 String text = str; // TODO: this must be a text like "HOME", "F1", or "A"
354 javafx.scene.input.KeyEvent keyEvent = new javafx.scene.input.KeyEvent(
355 AbstractEvents.keyIDToFXEventType(type),
356 str, text,
357 KeyCodeMap.valueOf(key),
358 shiftDown, controlDown, altDown, metaDown);
359 sceneListener.keyEvent(keyEvent);
360 }
361 return null;
362 }, getAccessControlContext());
363 });
364 }
365
366 @Override
367 public void setCursor(final Object cursor) {
368 super.setCursor(cursor);
369 host.setCursor((CursorFrame) cursor);
370 }
371
372 @Override
373 public void setDragStartListener(HostDragStartListener l) {
374 embeddedDnD.setDragStartListener(l);
375 }
376
377 @Override
378 public EmbeddedSceneDTInterface createDropTarget() {
379 return embeddedDnD.createDropTarget();
380 }
381
382 @Override
383 public InputMethodRequests getInputMethodRequests() {
384 return inputMethodRequests;
385 }
386 }