| 1 | /********************************************************************** |
| 2 | * Copyright (c) 2005, 2013 IBM Corporation, Ericsson |
| 3 | * All rights reserved. This program and the accompanying materials |
| 4 | * are made available under the terms of the Eclipse Public License v1.0 |
| 5 | * which accompanies this distribution, and is available at |
| 6 | * http://www.eclipse.org/legal/epl-v10.html |
| 7 | * |
| 8 | * Contributors: |
| 9 | * IBM - Initial API and implementation |
| 10 | * Bernd Hufmann - Updated for TMF |
| 11 | **********************************************************************/ |
| 12 | |
| 13 | package org.eclipse.linuxtools.tmf.ui.views.uml2sd.core; |
| 14 | |
| 15 | import java.util.Comparator; |
| 16 | |
| 17 | import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp; |
| 18 | import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestamp; |
| 19 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IGC; |
| 20 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.preferences.ISDPreferences; |
| 21 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.preferences.SDViewPref; |
| 22 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.util.SortAsyncForBackward; |
| 23 | import org.eclipse.linuxtools.tmf.ui.views.uml2sd.util.SortAsyncMessageComparator; |
| 24 | |
| 25 | /** |
| 26 | * A AsyncMessage is a asynchronous message which appear at two different event occurrences on each lifeline ends (sender |
| 27 | * and receiver).<br> |
| 28 | * <br> |
| 29 | * <br> |
| 30 | * Usage example: |
| 31 | * |
| 32 | * <pre> |
| 33 | * Frame frame; |
| 34 | * Lifeline lifeLine1; |
| 35 | * Lifeline lifeLine2; |
| 36 | * |
| 37 | * AsyncMessage message = new AsyncMessage(); |
| 38 | * // Create a new event occurrence on each lifeline |
| 39 | * lifeline1.getNewOccurrenceIndex(); |
| 40 | * lifeline2.getNewOccurrenceIndex(); |
| 41 | * // Set the message sender and receiver |
| 42 | * message.setStartLifeline(lifeLine1); |
| 43 | * message.setEndLifline(lifeline2); |
| 44 | * message.setName("Message label"); |
| 45 | * // add the message to the frame |
| 46 | * frame.addMessage(message); |
| 47 | * </pre> |
| 48 | * |
| 49 | * @see Lifeline Lifeline for more event occurence details |
| 50 | * @version 1.0 |
| 51 | * @author sveyrier |
| 52 | * @since 2.0 |
| 53 | */ |
| 54 | public class AsyncMessage extends BaseMessage implements ITimeRange { |
| 55 | |
| 56 | // ------------------------------------------------------------------------ |
| 57 | // Constants |
| 58 | // ------------------------------------------------------------------------ |
| 59 | /** |
| 60 | * The grahNode ID constant |
| 61 | */ |
| 62 | public static final String ASYNC_MESS_TAG = "AsyncMessage"; //$NON-NLS-1$ |
| 63 | |
| 64 | // ------------------------------------------------------------------------ |
| 65 | // Attributes |
| 66 | // ------------------------------------------------------------------------ |
| 67 | /** |
| 68 | * Flag whether message has time information or not. |
| 69 | */ |
| 70 | protected boolean fHasTime = false; |
| 71 | /** |
| 72 | * The time when the message begin |
| 73 | */ |
| 74 | protected ITmfTimestamp fEndTime = new TmfTimestamp(); |
| 75 | /** |
| 76 | * The time when the message end |
| 77 | */ |
| 78 | protected ITmfTimestamp fStartTime = new TmfTimestamp(); |
| 79 | /** |
| 80 | * The associated message. |
| 81 | */ |
| 82 | protected AsyncMessageReturn fMessageReturn = null; |
| 83 | |
| 84 | // ------------------------------------------------------------------------ |
| 85 | // Constructors |
| 86 | // ------------------------------------------------------------------------ |
| 87 | /** |
| 88 | * Default constructor |
| 89 | */ |
| 90 | public AsyncMessage() { |
| 91 | fPrefId = ISDPreferences.PREF_ASYNC_MESS; |
| 92 | } |
| 93 | |
| 94 | // ------------------------------------------------------------------------ |
| 95 | // Methods |
| 96 | // ------------------------------------------------------------------------ |
| 97 | /* |
| 98 | * (non-Javadoc) |
| 99 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.BaseMessage#getX() |
| 100 | */ |
| 101 | @Override |
| 102 | public int getX() { |
| 103 | int x = super.getX(true); |
| 104 | int activationWidth = Metrics.EXECUTION_OCCURRENCE_WIDTH / 2; |
| 105 | if ((fStartLifeline != null) && (fEndLifeline != null) && (fStartLifeline.getX() > fEndLifeline.getX())) { |
| 106 | activationWidth = -activationWidth; |
| 107 | } |
| 108 | |
| 109 | if (isMessageStartInActivation(fStartEventOccurrence)) { |
| 110 | x = x + activationWidth; |
| 111 | } |
| 112 | return x; |
| 113 | } |
| 114 | |
| 115 | /* |
| 116 | * (non-Javadoc) |
| 117 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.BaseMessage#getY() |
| 118 | */ |
| 119 | @Override |
| 120 | public int getY() { |
| 121 | if ((fStartLifeline != null) && (fEndLifeline != null)) { |
| 122 | return fEndLifeline.getY() + fEndLifeline.getHeight() + (Metrics.getMessageFontHeigth() + Metrics.getMessagesSpacing()) * fStartEventOccurrence; |
| 123 | } |
| 124 | return super.getY(); |
| 125 | } |
| 126 | |
| 127 | /* |
| 128 | * (non-Javadoc) |
| 129 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.BaseMessage#getWidth() |
| 130 | */ |
| 131 | @Override |
| 132 | public int getWidth() { |
| 133 | int width = super.getWidth(true); |
| 134 | int activationWidth = Metrics.EXECUTION_OCCURRENCE_WIDTH / 2; |
| 135 | if ((fStartLifeline != null) && (fEndLifeline != null) && (fStartLifeline.getX() > fEndLifeline.getX())) { |
| 136 | activationWidth = -activationWidth; |
| 137 | } |
| 138 | |
| 139 | if (isMessageStartInActivation(fStartEventOccurrence)) { |
| 140 | width = width - activationWidth; |
| 141 | } |
| 142 | |
| 143 | if (isMessageEndInActivation(fEndEventOccurrence)) { |
| 144 | width = width - activationWidth; |
| 145 | } |
| 146 | |
| 147 | return width; |
| 148 | } |
| 149 | |
| 150 | /* |
| 151 | * (non-Javadoc) |
| 152 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.BaseMessage#getHeight() |
| 153 | */ |
| 154 | @Override |
| 155 | public int getHeight() { |
| 156 | if ((fStartLifeline != null) && (fEndLifeline != null)) { |
| 157 | return (fEndLifeline.getY() + fEndLifeline.getHeight() + (Metrics.getMessageFontHeigth() + Metrics.getMessagesSpacing()) * fEndEventOccurrence) - getY(); |
| 158 | } |
| 159 | return super.getHeight(); |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Set the message return associated with this message. |
| 164 | * |
| 165 | * @param message the message return to associate |
| 166 | */ |
| 167 | protected void setMessageReturn(AsyncMessageReturn message) { |
| 168 | fMessageReturn = message; |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Set the event occurrence attached to this message for its end lifeline |
| 173 | * |
| 174 | * @param occurrence the event occurrence to set |
| 175 | */ |
| 176 | public void setEndOccurrence(int occurrence) { |
| 177 | fEndEventOccurrence = occurrence; |
| 178 | if (getStartLifeline() == null) { |
| 179 | fStartEventOccurrence = occurrence; |
| 180 | } |
| 181 | informFrame(getEndLifeline(), occurrence); |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Informs the given lifeline about the maximum occurrence if applicable. |
| 186 | * |
| 187 | * @param lifeLine |
| 188 | * Concerned lifeline |
| 189 | * @param occurrence |
| 190 | * Occurrence number |
| 191 | */ |
| 192 | protected void informFrame(Lifeline lifeLine, int occurrence) { |
| 193 | if ((lifeLine != null) && (lifeLine.getFrame() != null) && (lifeLine.getFrame().getMaxEventOccurrence() < occurrence)) { |
| 194 | lifeLine.getFrame().setMaxEventOccurrence(occurrence); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Set the event occurrence attached to this message for its start lifeline |
| 200 | * |
| 201 | * @param occurrence the event occurrence to set |
| 202 | */ |
| 203 | public void setStartOccurrence(int occurrence) { |
| 204 | fStartEventOccurrence = occurrence; |
| 205 | if (getEndLifeline() == null) { |
| 206 | fEndEventOccurrence = fStartEventOccurrence; |
| 207 | } |
| 208 | informFrame(getStartLifeline(), occurrence); |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * Set the lifeLine which has sent the message.<br> |
| 213 | * A new EventOccurence will be create on this lifeLine.<br> |
| 214 | * |
| 215 | * @param lifeline the message sender |
| 216 | */ |
| 217 | public void autoSetStartLifeline(Lifeline lifeline) { |
| 218 | lifeline.getNewEventOccurrence(); |
| 219 | setStartLifeline(lifeline); |
| 220 | } |
| 221 | |
| 222 | /** |
| 223 | * Set the lifeLine which has received the message.<br> |
| 224 | * A new EventOccurence will be create on this lifeLine.<br> |
| 225 | * |
| 226 | * @param lifeline the message receiver |
| 227 | */ |
| 228 | public void autoSetEndLifeline(Lifeline lifeline) { |
| 229 | lifeline.getNewEventOccurrence(); |
| 230 | setEndLifeline(lifeline); |
| 231 | } |
| 232 | |
| 233 | /* |
| 234 | * (non-Javadoc) |
| 235 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.BaseMessage#setStartLifeline(org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.Lifeline) |
| 236 | */ |
| 237 | @Override |
| 238 | public void setStartLifeline(Lifeline lifeline) { |
| 239 | super.setStartLifeline(lifeline); |
| 240 | setStartOccurrence(getStartLifeline().getEventOccurrence()); |
| 241 | if (getEndLifeline() == null) { |
| 242 | fEndEventOccurrence = fStartEventOccurrence; |
| 243 | } |
| 244 | } |
| 245 | |
| 246 | /* |
| 247 | * (non-Javadoc) |
| 248 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.BaseMessage#setEndLifeline(org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.Lifeline) |
| 249 | */ |
| 250 | @Override |
| 251 | public void setEndLifeline(Lifeline lifeline) { |
| 252 | super.setEndLifeline(lifeline); |
| 253 | setEventOccurrence(getEndLifeline().getEventOccurrence()); |
| 254 | } |
| 255 | |
| 256 | /** |
| 257 | * Returns true if the point C is on the segment defined with the point A and B |
| 258 | * |
| 259 | * @param xA point A x coordinate |
| 260 | * @param yA point A y coordinate |
| 261 | * @param xB point B x coordinate |
| 262 | * @param yB point B y coordinate |
| 263 | * @param xC point C x coordinate |
| 264 | * @param yC point C y coordinate |
| 265 | * @return Return true if the point C is on the segment defined with the point A and B, else otherwise |
| 266 | */ |
| 267 | protected boolean isNearSegment(int xA, int yA, int xB, int yB, int xC, int yC) { |
| 268 | if ((xA > xB) && (xC > xA)) { |
| 269 | return false; |
| 270 | } |
| 271 | if ((xA < xB) && (xC > xB)) { |
| 272 | return false; |
| 273 | } |
| 274 | if ((xA < xB) && (xC < xA)) { |
| 275 | return false; |
| 276 | } |
| 277 | if ((xA > xB) && (xC < xB)) { |
| 278 | return false; |
| 279 | } |
| 280 | double distAB = Math.sqrt((xB - xA) * (xB - xA) + (yB - yA) * (yB - yA)); |
| 281 | double scalar = ((xB - xA) * (xC - xA) + (yB - yA) * (yC - yA)) / distAB; |
| 282 | double distAC = Math.sqrt((xC - xA) * (xC - xA) + (yC - yA) * (yC - yA)); |
| 283 | double distToSegment = Math.sqrt(Math.abs(distAC * distAC - scalar * scalar)); |
| 284 | if (distToSegment <= Metrics.MESSAGE_SELECTION_TOLERANCE) { |
| 285 | return true; |
| 286 | } |
| 287 | return false; |
| 288 | } |
| 289 | |
| 290 | /* |
| 291 | * (non-Javadoc) |
| 292 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.BaseMessage#contains(int, int) |
| 293 | */ |
| 294 | @Override |
| 295 | public boolean contains(int x, int y) { |
| 296 | // Is it a self message? |
| 297 | if (fStartLifeline == fEndLifeline) { |
| 298 | return super.contains(x, y); |
| 299 | } |
| 300 | if (isNearSegment(getX(), getY(), getX() + getWidth(), getY() + getHeight(), x, y)) { |
| 301 | return true; |
| 302 | } |
| 303 | int messageMaxWidth = Metrics.swimmingLaneWidth() - Metrics.EXECUTION_OCCURRENCE_WIDTH; |
| 304 | int nameWidth = getName().length() * Metrics.getAverageCharWidth(); |
| 305 | if (getName().length() * Metrics.getAverageCharWidth() > messageMaxWidth) { |
| 306 | if (GraphNode.contains(getX(), getY() - Metrics.MESSAGES_NAME_SPACING - Metrics.getMessageFontHeigth(), messageMaxWidth, Metrics.getMessageFontHeigth(), x, y)) { |
| 307 | return true; |
| 308 | } |
| 309 | } else { |
| 310 | if (GraphNode.contains(getX() + (messageMaxWidth - nameWidth) / 2, getY() + getHeight() / 2 - Metrics.MESSAGES_NAME_SPACING - Metrics.getMessageFontHeigth(), nameWidth, Metrics.getMessageFontHeigth(), x, y)) { |
| 311 | return true; |
| 312 | } |
| 313 | } |
| 314 | return false; |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * Draws the asynchronous message using giving graphical context. |
| 319 | * |
| 320 | * @param context A graphical context to draw in. |
| 321 | */ |
| 322 | protected void drawAsyncMessage(IGC context) { |
| 323 | if (fStartLifeline != null && fEndLifeline != null && fStartLifeline == fEndLifeline && (fStartEventOccurrence != fEndEventOccurrence)) { |
| 324 | int x = getX(); |
| 325 | int y = getY(); |
| 326 | int height = getHeight(); |
| 327 | int tempx = 0; |
| 328 | boolean startInActivation = isMessageStartInActivation(fStartEventOccurrence); |
| 329 | boolean endInActivation = isMessageEndInActivation(fEndEventOccurrence); |
| 330 | |
| 331 | if (endInActivation && !startInActivation) { |
| 332 | tempx = Metrics.EXECUTION_OCCURRENCE_WIDTH / 2; |
| 333 | } |
| 334 | if (startInActivation && !endInActivation) { |
| 335 | tempx = -Metrics.EXECUTION_OCCURRENCE_WIDTH / 2; |
| 336 | } |
| 337 | |
| 338 | int tempy = Metrics.INTERNAL_MESSAGE_WIDTH / 2; |
| 339 | if (getHeight() <= Metrics.INTERNAL_MESSAGE_WIDTH) { |
| 340 | tempy = getHeight() / 2; |
| 341 | } |
| 342 | |
| 343 | context.drawLine(x, y, x + Metrics.INTERNAL_MESSAGE_WIDTH / 2, y); |
| 344 | context.drawLine(x + Metrics.INTERNAL_MESSAGE_WIDTH, y + tempy, x + Metrics.INTERNAL_MESSAGE_WIDTH, y + height - tempy); |
| 345 | context.drawLine(x + tempx, y + height, x + Metrics.INTERNAL_MESSAGE_WIDTH / 2, y + height); |
| 346 | |
| 347 | Double xt = Double.valueOf(Math.cos(0.75) * 7); |
| 348 | Double yt = Double.valueOf(Math.sin(0.75) * 7); |
| 349 | |
| 350 | context.drawLine(x + xt.intValue() + tempx, y + height + yt.intValue(), x + tempx, y + height); |
| 351 | context.drawArc(x, y, Metrics.INTERNAL_MESSAGE_WIDTH, 2 * tempy, 0, 90); |
| 352 | context.drawArc(x, y + height, Metrics.INTERNAL_MESSAGE_WIDTH, -2 * tempy, 0, -90); |
| 353 | context.drawLine(x + xt.intValue() + tempx, y + height - yt.intValue(), x + tempx, y + height); |
| 354 | |
| 355 | context.drawTextTruncated(getName(), x + Metrics.INTERNAL_MESSAGE_WIDTH + Metrics.INTERNAL_MESSAGE_V_MARGIN, y, Metrics.swimmingLaneWidth() - Metrics.EXECUTION_OCCURRENCE_WIDTH + -Metrics.INTERNAL_MESSAGE_WIDTH, |
| 356 | +Metrics.MESSAGES_NAME_SPACING - Metrics.getMessageFontHeigth(), !isSelected()); |
| 357 | } else { |
| 358 | super.draw(context); |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | /* |
| 363 | * (non-Javadoc) |
| 364 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.BaseMessage#draw(org.eclipse.linuxtools.tmf.ui.views.uml2sd.drawings.IGC) |
| 365 | */ |
| 366 | @Override |
| 367 | public void draw(IGC context) { |
| 368 | if (!isVisible()) { |
| 369 | return; |
| 370 | } |
| 371 | |
| 372 | ISDPreferences pref = SDViewPref.getInstance(); |
| 373 | |
| 374 | // Draw it selected? |
| 375 | if (isSelected() && (fStartLifeline != null && fEndLifeline != null && fStartLifeline == fEndLifeline && (fStartEventOccurrence != fEndEventOccurrence))) { |
| 376 | /* |
| 377 | * Draw it twice First time, bigger inverting selection colors Second time, regular drawing using selection |
| 378 | * colors This create the highlight effect |
| 379 | */ |
| 380 | context.setForeground(pref.getBackGroundColorSelection()); |
| 381 | context.setLineWidth(Metrics.SELECTION_LINE_WIDTH); |
| 382 | drawAsyncMessage(context); |
| 383 | context.setBackground(pref.getBackGroundColorSelection()); |
| 384 | context.setForeground(pref.getForeGroundColorSelection()); |
| 385 | // Second drawing is done after the else |
| 386 | } else { |
| 387 | context.setBackground(pref.getBackGroundColor(fPrefId)); |
| 388 | context.setForeground(pref.getForeGroundColor(fPrefId)); |
| 389 | } |
| 390 | if (hasFocus()) { |
| 391 | context.setDrawTextWithFocusStyle(true); |
| 392 | } |
| 393 | context.setLineWidth(Metrics.NORMAL_LINE_WIDTH); |
| 394 | drawAsyncMessage(context); |
| 395 | if (hasFocus()) { |
| 396 | context.setDrawTextWithFocusStyle(false); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | /** |
| 401 | * Set the time when the message end |
| 402 | * |
| 403 | * @param time the time when the message end |
| 404 | * @since 2.0 |
| 405 | */ |
| 406 | public void setEndTime(ITmfTimestamp time) { |
| 407 | fEndTime = time; |
| 408 | fHasTime = true; |
| 409 | if (getStartLifeline() != null && getStartLifeline().getFrame() != null) { |
| 410 | getStartLifeline().getFrame().setHasTimeInfo(true); |
| 411 | } else if (getEndLifeline() != null && getEndLifeline().getFrame() != null) { |
| 412 | getEndLifeline().getFrame().setHasTimeInfo(true); |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * Set the time when the message start |
| 418 | * |
| 419 | * @param time the time when the message start |
| 420 | * @since 2.0 |
| 421 | */ |
| 422 | public void setStartTime(ITmfTimestamp time) { |
| 423 | fStartTime = time; |
| 424 | fHasTime = true; |
| 425 | if (getStartLifeline() != null && getStartLifeline().getFrame() != null) { |
| 426 | getStartLifeline().getFrame().setHasTimeInfo(true); |
| 427 | } else if (getEndLifeline() != null && getEndLifeline().getFrame() != null) { |
| 428 | getEndLifeline().getFrame().setHasTimeInfo(true); |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | /** |
| 433 | * @since 2.0 |
| 434 | */ |
| 435 | @Override |
| 436 | public ITmfTimestamp getEndTime() { |
| 437 | return fEndTime; |
| 438 | } |
| 439 | |
| 440 | /** |
| 441 | * @since 2.0 |
| 442 | */ |
| 443 | @Override |
| 444 | public ITmfTimestamp getStartTime() { |
| 445 | return fStartTime; |
| 446 | } |
| 447 | |
| 448 | @Override |
| 449 | public boolean hasTimeInfo() { |
| 450 | return fHasTime; |
| 451 | } |
| 452 | |
| 453 | /* |
| 454 | * (non-Javadoc) |
| 455 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.BaseMessage#isVisible(int, int, int, int) |
| 456 | */ |
| 457 | @Override |
| 458 | public boolean isVisible(int x, int y, int width, int height) { |
| 459 | int toDrawY = getY(); |
| 460 | int toDrawHeight = getHeight(); |
| 461 | if ((toDrawY > y + height + Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth()) && (toDrawY + toDrawHeight > y + height + Metrics.MESSAGES_NAME_SPACING + Metrics.getMessageFontHeigth())) { |
| 462 | return false; |
| 463 | } |
| 464 | if (toDrawY < y && (toDrawY + toDrawHeight < y)) { |
| 465 | return false; |
| 466 | } |
| 467 | return super.isVisible(x, y, width, height); |
| 468 | } |
| 469 | |
| 470 | /* |
| 471 | * (non-Javadoc) |
| 472 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.GraphNode#getComparator() |
| 473 | */ |
| 474 | @Override |
| 475 | public Comparator<GraphNode> getComparator() { |
| 476 | return new SortAsyncMessageComparator(); |
| 477 | } |
| 478 | |
| 479 | /* |
| 480 | * (non-Javadoc) |
| 481 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.GraphNode#getArrayId() |
| 482 | */ |
| 483 | @Override |
| 484 | public String getArrayId() { |
| 485 | return ASYNC_MESS_TAG; |
| 486 | } |
| 487 | |
| 488 | /* |
| 489 | * (non-Javadoc) |
| 490 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.GraphNode#getBackComparator() |
| 491 | */ |
| 492 | @Override |
| 493 | public Comparator<GraphNode> getBackComparator() { |
| 494 | return new SortAsyncForBackward(); |
| 495 | } |
| 496 | |
| 497 | /* |
| 498 | * (non-Javadoc) |
| 499 | * @see org.eclipse.linuxtools.tmf.ui.views.uml2sd.core.GraphNode#positiveDistanceToPoint(int, int) |
| 500 | */ |
| 501 | @Override |
| 502 | public boolean positiveDistanceToPoint(int x, int y) { |
| 503 | int mY = getY(); |
| 504 | int mH = getHeight(); |
| 505 | if ((mY > y) || (mY + mH > y)) { |
| 506 | return true; |
| 507 | } |
| 508 | return false; |
| 509 | } |
| 510 | } |