source: josm/trunk/src/org/openstreetmap/josm/gui/MapView.java@ 10898

Last change on this file since 10898 was 10898, checked in by Don-vip, 8 years ago

fix #13454 - Memory leak in MapView (patch by Gerd Petermann)
  • Property svn:eol-style set to native
File size: 49.2 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui;
3
4import static org.openstreetmap.josm.tools.I18n.tr;
5
6import java.awt.AlphaComposite;
7import java.awt.Color;
8import java.awt.Dimension;
9import java.awt.Graphics;
10import java.awt.Graphics2D;
11import java.awt.Point;
12import java.awt.Rectangle;
13import java.awt.event.ComponentAdapter;
14import java.awt.event.ComponentEvent;
15import java.awt.event.KeyEvent;
16import java.awt.event.MouseAdapter;
17import java.awt.event.MouseEvent;
18import java.awt.event.MouseMotionListener;
19import java.awt.geom.Area;
20import java.awt.image.BufferedImage;
21import java.beans.PropertyChangeEvent;
22import java.beans.PropertyChangeListener;
23import java.util.ArrayList;
24import java.util.Arrays;
25import java.util.Collection;
26import java.util.Collections;
27import java.util.HashMap;
28import java.util.IdentityHashMap;
29import java.util.LinkedHashSet;
30import java.util.List;
31import java.util.Set;
32import java.util.TreeSet;
33import java.util.concurrent.CopyOnWriteArrayList;
34
35import javax.swing.AbstractButton;
36import javax.swing.JComponent;
37import javax.swing.JPanel;
38
39import org.openstreetmap.josm.Main;
40import org.openstreetmap.josm.actions.mapmode.MapMode;
41import org.openstreetmap.josm.data.Bounds;
42import org.openstreetmap.josm.data.Preferences.PreferenceChangeEvent;
43import org.openstreetmap.josm.data.Preferences.PreferenceChangedListener;
44import org.openstreetmap.josm.data.ProjectionBounds;
45import org.openstreetmap.josm.data.SelectionChangedListener;
46import org.openstreetmap.josm.data.ViewportData;
47import org.openstreetmap.josm.data.coor.EastNorth;
48import org.openstreetmap.josm.data.imagery.ImageryInfo;
49import org.openstreetmap.josm.data.osm.DataSet;
50import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
51import org.openstreetmap.josm.data.osm.visitor.paint.Rendering;
52import org.openstreetmap.josm.data.osm.visitor.paint.relations.MultipolygonCache;
53import org.openstreetmap.josm.gui.MapViewState.MapViewRectangle;
54import org.openstreetmap.josm.gui.datatransfer.OsmTransferHandler;
55import org.openstreetmap.josm.gui.layer.AbstractMapViewPaintable;
56import org.openstreetmap.josm.gui.layer.GpxLayer;
57import org.openstreetmap.josm.gui.layer.ImageryLayer;
58import org.openstreetmap.josm.gui.layer.Layer;
59import org.openstreetmap.josm.gui.layer.LayerManager;
60import org.openstreetmap.josm.gui.layer.LayerManager.LayerAddEvent;
61import org.openstreetmap.josm.gui.layer.LayerManager.LayerOrderChangeEvent;
62import org.openstreetmap.josm.gui.layer.LayerManager.LayerRemoveEvent;
63import org.openstreetmap.josm.gui.layer.MainLayerManager;
64import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeEvent;
65import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeListener;
66import org.openstreetmap.josm.gui.layer.MapViewGraphics;
67import org.openstreetmap.josm.gui.layer.MapViewPaintable;
68import org.openstreetmap.josm.gui.layer.MapViewPaintable.LayerPainter;
69import org.openstreetmap.josm.gui.layer.MapViewPaintable.MapViewEvent;
70import org.openstreetmap.josm.gui.layer.MapViewPaintable.PaintableInvalidationEvent;
71import org.openstreetmap.josm.gui.layer.MapViewPaintable.PaintableInvalidationListener;
72import org.openstreetmap.josm.gui.layer.OsmDataLayer;
73import org.openstreetmap.josm.gui.layer.geoimage.GeoImageLayer;
74import org.openstreetmap.josm.gui.layer.markerlayer.PlayHeadMarker;
75import org.openstreetmap.josm.tools.AudioPlayer;
76import org.openstreetmap.josm.tools.Shortcut;
77import org.openstreetmap.josm.tools.Utils;
78import org.openstreetmap.josm.tools.bugreport.BugReport;
79
80/**
81 * This is a component used in the {@link MapFrame} for browsing the map. It use is to
82 * provide the MapMode's enough capabilities to operate.<br><br>
83 *
84 * {@code MapView} holds meta-data about the data set currently displayed, as scale level,
85 * center point viewed, what scrolling mode or editing mode is selected or with
86 * what projection the map is viewed etc..<br><br>
87 *
88 * {@code MapView} is able to administrate several layers.
89 *
90 * @author imi
91 */
92public class MapView extends NavigatableComponent
93implements PropertyChangeListener, PreferenceChangedListener,
94LayerManager.LayerChangeListener, MainLayerManager.ActiveLayerChangeListener {
95 /**
96 * Interface to notify listeners of a layer change.
97 * <p>
98 * To be removed: end of 2016.
99 * @deprecated Use {@link org.openstreetmap.josm.gui.layer.LayerManager.LayerChangeListener} instead.
100 * @author imi
101 */
102 @Deprecated
103 public interface LayerChangeListener {
104
105 /**
106 * Notifies this listener that the active layer has changed.
107 * @param oldLayer The previous active layer
108 * @param newLayer The new activer layer
109 */
110 void activeLayerChange(Layer oldLayer, Layer newLayer);
111
112 /**
113 * Notifies this listener that a layer has been added.
114 * @param newLayer The new added layer
115 */
116 void layerAdded(Layer newLayer);
117
118 /**
119 * Notifies this listener that a layer has been removed.
120 * @param oldLayer The old removed layer
121 */
122 void layerRemoved(Layer oldLayer);
123 }
124
125 /**
126 * An interface that needs to be implemented in order to listen for changes to the active edit layer.
127 * <p>
128 * To be removed: end of 2016.
129 * @deprecated Use {@link ActiveLayerChangeListener} instead.
130 */
131 @Deprecated
132 @FunctionalInterface
133 public interface EditLayerChangeListener {
134
135 /**
136 * Called after the active edit layer was changed.
137 * @param oldLayer The old edit layer
138 * @param newLayer The current (new) edit layer
139 */
140 void editLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer);
141 }
142
143 /**
144 * An invalidation listener that simply calls repaint() for now.
145 * @author Michael Zangl
146 * @since 10271
147 */
148 private class LayerInvalidatedListener implements PaintableInvalidationListener {
149 private boolean ignoreRepaint;
150
151 private final Set<MapViewPaintable> invalidatedLayers = Collections.newSetFromMap(new IdentityHashMap<MapViewPaintable, Boolean>());
152
153 @Override
154 public void paintableInvalidated(PaintableInvalidationEvent event) {
155 invalidate(event.getLayer());
156 }
157
158 public synchronized void invalidate(MapViewPaintable mapViewPaintable) {
159 ignoreRepaint = true;
160 invalidatedLayers.add(mapViewPaintable);
161 repaint();
162 }
163
164 /**
165 * Temporary until all {@link MapViewPaintable}s support this.
166 * @param p The paintable.
167 */
168 public synchronized void addTo(MapViewPaintable p) {
169 if (p instanceof AbstractMapViewPaintable) {
170 ((AbstractMapViewPaintable) p).addInvalidationListener(this);
171 }
172 }
173
174 /**
175 * Temporary until all {@link MapViewPaintable}s support this.
176 * @param p The paintable.
177 */
178 public synchronized void removeFrom(MapViewPaintable p) {
179 if (p instanceof AbstractMapViewPaintable) {
180 ((AbstractMapViewPaintable) p).removeInvalidationListener(this);
181 }
182 invalidatedLayers.remove(p);
183 }
184
185 /**
186 * Attempts to trace repaints that did not originate from this listener. Good to find missed {@link MapView#repaint()}s in code.
187 */
188 protected synchronized void traceRandomRepaint() {
189 if (!ignoreRepaint) {
190 System.err.println("Repaint:");
191 Thread.dumpStack();
192 }
193 ignoreRepaint = false;
194 }
195
196 /**
197 * Retrieves a set of all layers that have been marked as invalid since the last call to this method.
198 * @return The layers
199 */
200 protected synchronized Set<MapViewPaintable> collectInvalidatedLayers() {
201 Set<MapViewPaintable> layers = Collections.newSetFromMap(new IdentityHashMap<MapViewPaintable, Boolean>());
202 layers.addAll(invalidatedLayers);
203 invalidatedLayers.clear();
204 return layers;
205 }
206 }
207
208 /**
209 * This class is an adapter for the old layer change interface.
210 * @author Michael Zangl
211 * @since 10271
212 * @deprecated New implementations should use {@link org.openstreetmap.josm.gui.layer.LayerManager.LayerChangeListener}
213 */
214 @Deprecated
215 protected static class LayerChangeAdapter implements ActiveLayerChangeListener, LayerManager.LayerChangeListener {
216
217 private final LayerChangeListener wrapped;
218 private boolean receiveOneInitialFire;
219
220 public LayerChangeAdapter(LayerChangeListener wrapped) {
221 this.wrapped = wrapped;
222 }
223
224 public LayerChangeAdapter(LayerChangeListener wrapped, boolean initialFire) {
225 this(wrapped);
226 this.receiveOneInitialFire = initialFire;
227 }
228
229 @Override
230 public void layerAdded(LayerAddEvent e) {
231 wrapped.layerAdded(e.getAddedLayer());
232 }
233
234 @Override
235 public void layerRemoving(LayerRemoveEvent e) {
236 wrapped.layerRemoved(e.getRemovedLayer());
237 }
238
239 @Override
240 public void layerOrderChanged(LayerOrderChangeEvent e) {
241 // not in old API
242 }
243
244 @Override
245 public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) {
246 Layer oldActive = receiveOneInitialFire ? null : e.getPreviousActiveLayer();
247 Layer newActive = e.getSource().getActiveLayer();
248 if (oldActive != newActive) {
249 wrapped.activeLayerChange(oldActive, newActive);
250 }
251 receiveOneInitialFire = false;
252 }
253
254 @Override
255 public int hashCode() {
256 final int prime = 31;
257 int result = 1;
258 result = prime * result + ((wrapped == null) ? 0 : wrapped.hashCode());
259 return result;
260 }
261
262 @Override
263 public boolean equals(Object obj) {
264 if (this == obj)
265 return true;
266 if (obj == null)
267 return false;
268 if (getClass() != obj.getClass())
269 return false;
270 LayerChangeAdapter other = (LayerChangeAdapter) obj;
271 if (wrapped == null) {
272 if (other.wrapped != null)
273 return false;
274 } else if (!wrapped.equals(other.wrapped))
275 return false;
276 return true;
277 }
278
279 @Override
280 public String toString() {
281 return "LayerChangeAdapter [wrapped=" + wrapped + ']';
282 }
283 }
284
285 /**
286 * This class is an adapter for the old layer change interface.
287 * @author Michael Zangl
288 * @since 10271
289 * @deprecated New implementations should use {@link org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeListener}
290 */
291 @Deprecated
292 protected static class EditLayerChangeAdapter implements ActiveLayerChangeListener {
293
294 private final EditLayerChangeListener wrapped;
295
296 public EditLayerChangeAdapter(EditLayerChangeListener wrapped) {
297 this.wrapped = wrapped;
298 }
299
300 @Override
301 public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) {
302 OsmDataLayer oldLayer = e.getPreviousEditLayer();
303 OsmDataLayer newLayer = e.getSource().getEditLayer();
304 if (oldLayer != newLayer) {
305 wrapped.editLayerChanged(oldLayer, newLayer);
306 }
307 }
308
309 @Override
310 public int hashCode() {
311 final int prime = 31;
312 int result = 1;
313 result = prime * result + ((wrapped == null) ? 0 : wrapped.hashCode());
314 return result;
315 }
316
317 @Override
318 public boolean equals(Object obj) {
319 if (this == obj)
320 return true;
321 if (obj == null)
322 return false;
323 if (getClass() != obj.getClass())
324 return false;
325 EditLayerChangeAdapter other = (EditLayerChangeAdapter) obj;
326 if (wrapped == null) {
327 if (other.wrapped != null)
328 return false;
329 } else if (!wrapped.equals(other.wrapped))
330 return false;
331 return true;
332 }
333
334 @Override
335 public String toString() {
336 return "EditLayerChangeAdapter [wrapped=" + wrapped + ']';
337 }
338 }
339
340 /**
341 * A layer painter that issues a warning when being called.
342 * @author Michael Zangl
343 * @since 10474
344 */
345 private static class WarningLayerPainter implements LayerPainter {
346 boolean warningPrinted;
347 private final Layer layer;
348
349 WarningLayerPainter(Layer layer) {
350 this.layer = layer;
351 }
352
353 @Override
354 public void paint(MapViewGraphics graphics) {
355 if (!warningPrinted) {
356 Main.debug("A layer triggered a repaint while being added: " + layer);
357 warningPrinted = true;
358 }
359 }
360
361 @Override
362 public void detachFromMapView(MapViewEvent event) {
363 // ignored
364 }
365 }
366
367 /**
368 * Removes a layer change listener
369 * <p>
370 * To be removed: end of 2016.
371 *
372 * @param listener the listener. Ignored if null or not registered.
373 * @deprecated You should register the listener on {@link Main#getLayerManager()} instead.
374 */
375 @Deprecated
376 public static void removeLayerChangeListener(LayerChangeListener listener) {
377 LayerChangeAdapter adapter = new LayerChangeAdapter(listener);
378 try {
379 Main.getLayerManager().removeLayerChangeListener(adapter);
380 } catch (IllegalArgumentException e) {
381 // Ignored in old implementation
382 Main.debug(e);
383 }
384 try {
385 Main.getLayerManager().removeActiveLayerChangeListener(adapter);
386 } catch (IllegalArgumentException e) {
387 // Ignored in old implementation
388 Main.debug(e);
389 }
390 }
391
392 /**
393 * Removes an edit layer change listener
394 * <p>
395 * To be removed: end of 2016.
396 *
397 * @param listener the listener. Ignored if null or not registered.
398 * @deprecated You should register the listener on {@link Main#getLayerManager()} instead.
399 */
400 @Deprecated
401 public static void removeEditLayerChangeListener(EditLayerChangeListener listener) {
402 try {
403 Main.getLayerManager().removeActiveLayerChangeListener(new EditLayerChangeAdapter(listener));
404 } catch (IllegalArgumentException e) {
405 // Ignored in old implementation
406 Main.debug(e);
407 }
408 }
409
410 /**
411 * Adds a layer change listener
412 * <p>
413 * To be removed: end of 2016.
414 *
415 * @param listener the listener. Ignored if null or already registered.
416 * @deprecated You should register the listener on {@link Main#getLayerManager()} instead.
417 */
418 @Deprecated
419 public static void addLayerChangeListener(LayerChangeListener listener) {
420 if (fireDeprecatedListenerOnAdd) {
421 Main.warn("Plugin seems to be adding listener during mapFrameInitialized(): " + BugReport.getCallingMethod(2)
422 + ". Layer listeners should be set on plugin load.");
423 }
424 addLayerChangeListener(listener, fireDeprecatedListenerOnAdd);
425 }
426
427 /**
428 * Adds a layer change listener
429 * <p>
430 * To be removed: end of 2016.
431 *
432 * @param listener the listener. Ignored if null or already registered.
433 * @param initialFire fire an active-layer-changed-event right after adding
434 * the listener in case there is a layer present (should be)
435 * @deprecated You should register the listener on {@link Main#getLayerManager()} instead.
436 */
437 @Deprecated
438 public static void addLayerChangeListener(LayerChangeListener listener, boolean initialFire) {
439 if (listener != null) {
440 initialFire = initialFire && (Main.isDisplayingMapView() || fireDeprecatedListenerOnAdd);
441
442 LayerChangeAdapter adapter = new LayerChangeAdapter(listener, initialFire);
443 Main.getLayerManager().addLayerChangeListener(adapter, initialFire);
444 if (initialFire) {
445 Main.getLayerManager().addAndFireActiveLayerChangeListener(adapter);
446 } else {
447 Main.getLayerManager().addActiveLayerChangeListener(adapter);
448 }
449 adapter.receiveOneInitialFire = false;
450 }
451 }
452
453 /**
454 * Adds an edit layer change listener
455 * <p>
456 * To be removed: end of 2016.
457 *
458 * @param listener the listener. Ignored if null or already registered.
459 * @param initialFire fire an edit-layer-changed-event right after adding
460 * the listener in case there is an edit layer present
461 * @deprecated You should register the listener on {@link Main#getLayerManager()} instead.
462 */
463 @Deprecated
464 public static void addEditLayerChangeListener(EditLayerChangeListener listener, boolean initialFire) {
465 if (listener != null) {
466 boolean doFire = initialFire && Main.isDisplayingMapView() && Main.getLayerManager().getEditLayer() != null;
467 if (doFire) {
468 Main.getLayerManager().addAndFireActiveLayerChangeListener(new EditLayerChangeAdapter(listener));
469 } else {
470 Main.getLayerManager().addActiveLayerChangeListener(new EditLayerChangeAdapter(listener));
471 }
472 }
473 }
474
475 /**
476 * Adds an edit layer change listener
477 * <p>
478 * To be removed: end of 2016.
479 *
480 * @param listener the listener. Ignored if null or already registered.
481 * @deprecated You should register the listener on {@link Main#getLayerManager()} instead.
482 */
483 @Deprecated
484 public static void addEditLayerChangeListener(EditLayerChangeListener listener) {
485 addEditLayerChangeListener(listener, false);
486 }
487
488
489 /**
490 * Temporary. To be removed as soon as the {@link LayerChangeListener}s are removed.
491 * <p>
492 * Some plugins add their listeners in {@link Main#setMapFrame(MapFrame)}. This method is now called just after the first layer was added to
493 * the layer manager. So that listener would not receive the addition of the first layer. As long as this field is set, we fake an add call
494 * to that listener when it is added to immitate the old behaviour. You should not access it from anywhere else.
495 */
496 public static boolean fireDeprecatedListenerOnAdd;
497
498 public boolean viewportFollowing;
499
500 /**
501 * A list of all layers currently loaded. If we support multiple map views, this list may be different for each of them.
502 */
503 private final MainLayerManager layerManager;
504
505 /**
506 * The play head marker: there is only one of these so it isn't in any specific layer
507 */
508 public transient PlayHeadMarker playHeadMarker;
509
510 /**
511 * The last event performed by mouse.
512 */
513 public MouseEvent lastMEvent = new MouseEvent(this, 0, 0, 0, 0, 0, 0, false); // In case somebody reads it before first mouse move
514
515 /**
516 * Temporary layers (selection rectangle, etc.) that are never cached and
517 * drawn on top of regular layers.
518 * Access must be synchronized.
519 */
520 private final transient Set<MapViewPaintable> temporaryLayers = new LinkedHashSet<>();
521
522 private transient BufferedImage nonChangedLayersBuffer;
523 private transient BufferedImage offscreenBuffer;
524 // Layers that wasn't changed since last paint
525 private final transient List<Layer> nonChangedLayers = new ArrayList<>();
526 private int lastViewID;
527 private boolean paintPreferencesChanged = true;
528 private Rectangle lastClipBounds = new Rectangle();
529 private transient MapMover mapMover;
530
531 /**
532 * The listener that listens to invalidations of all layers.
533 */
534 private final LayerInvalidatedListener invalidatedListener = new LayerInvalidatedListener();
535
536 /**
537 * This is a map of all Layers that have been added to this view.
538 */
539 private final HashMap<Layer, LayerPainter> registeredLayers = new HashMap<>();
540
541 /**
542 * Constructs a new {@code MapView}.
543 * @param layerManager The layers to display.
544 * @param contentPane Ignored. Main content pane is used.
545 * @param viewportData the initial viewport of the map. Can be null, then
546 * the viewport is derived from the layer data.
547 * @since 10279
548 */
549 public MapView(MainLayerManager layerManager, final JPanel contentPane, final ViewportData viewportData) {
550 this.layerManager = layerManager;
551 initialViewport = viewportData;
552 layerManager.addLayerChangeListener(this, true);
553 layerManager.addActiveLayerChangeListener(this);
554 Main.pref.addPreferenceChangeListener(this);
555
556 addComponentListener(new ComponentAdapter() {
557 @Override
558 public void componentResized(ComponentEvent e) {
559 removeComponentListener(this);
560
561 mapMover = new MapMover(MapView.this, contentPane);
562 }
563 });
564
565 // listend to selection changes to redraw the map
566 DataSet.addSelectionListener(repaintSelectionChangedListener);
567
568 //store the last mouse action
569 this.addMouseMotionListener(new MouseMotionListener() {
570 @Override
571 public void mouseDragged(MouseEvent e) {
572 mouseMoved(e);
573 }
574
575 @Override
576 public void mouseMoved(MouseEvent e) {
577 lastMEvent = e;
578 }
579 });
580 this.addMouseListener(new MouseAdapter() {
581 @Override
582 public void mousePressed(MouseEvent me) {
583 // focus the MapView component when mouse is pressed inside it
584 requestFocus();
585 }
586 });
587
588 if (Shortcut.findShortcut(KeyEvent.VK_TAB, 0) != null) {
589 setFocusTraversalKeysEnabled(false);
590 }
591
592 for (JComponent c : getMapNavigationComponents(this)) {
593 add(c);
594 }
595 setTransferHandler(new OsmTransferHandler());
596 }
597
598 /**
599 * Adds the map navigation components to a
600 * @param forMapView The map view to get the components for.
601 * @return A list containing the correctly positioned map navigation components.
602 */
603 public static List<? extends JComponent> getMapNavigationComponents(MapView forMapView) {
604 MapSlider zoomSlider = new MapSlider(forMapView);
605 Dimension size = zoomSlider.getPreferredSize();
606 zoomSlider.setSize(size);
607 zoomSlider.setLocation(3, 0);
608 zoomSlider.setFocusTraversalKeysEnabled(Shortcut.findShortcut(KeyEvent.VK_TAB, 0) == null);
609
610 MapScaler scaler = new MapScaler(forMapView);
611 scaler.setPreferredLineLength(size.width - 10);
612 scaler.setSize(scaler.getPreferredSize());
613 scaler.setLocation(3, size.height);
614
615 return Arrays.asList(zoomSlider, scaler);
616 }
617
618 // remebered geometry of the component
619 private Dimension oldSize;
620 private Point oldLoc;
621
622 /**
623 * Call this method to keep map position on screen during next repaint
624 */
625 public void rememberLastPositionOnScreen() {
626 oldSize = getSize();
627 oldLoc = getLocationOnScreen();
628 }
629
630 /**
631 * Add a layer to the current MapView.
632 * <p>
633 * To be removed: end of 2016.
634 * @param layer The layer to add
635 * @deprecated Use {@link Main#getLayerManager()}.addLayer() instead.
636 */
637 @Deprecated
638 public void addLayer(Layer layer) {
639 layerManager.addLayer(layer);
640 }
641
642 @Override
643 public void layerAdded(LayerAddEvent e) {
644 try {
645 Layer layer = e.getAddedLayer();
646 registeredLayers.put(layer, new WarningLayerPainter(layer));
647 // Layers may trigger a redraw during this call if they open dialogs.
648 LayerPainter painter = layer.attachToMapView(new MapViewEvent(this, false));
649 if (!registeredLayers.containsKey(layer)) {
650 // The layer may have removed itself during attachToMapView()
651 Main.warn("Layer was removed during attachToMapView()");
652 } else {
653 registeredLayers.put(layer, painter);
654
655 ProjectionBounds viewProjectionBounds = layer.getViewProjectionBounds();
656 if (viewProjectionBounds != null) {
657 scheduleZoomTo(new ViewportData(viewProjectionBounds));
658 }
659
660 layer.addPropertyChangeListener(this);
661 Main.addProjectionChangeListener(layer);
662 invalidatedListener.addTo(layer);
663 AudioPlayer.reset();
664
665 repaint();
666 }
667 } catch (RuntimeException t) {
668 throw BugReport.intercept(t).put("layer", e.getAddedLayer());
669 }
670 }
671
672 /**
673 * Returns current data set. To be removed: end of 2016.
674 * @deprecated Use {@link #getLayerManager()}.getEditDataSet() instead.
675 */
676 @Override
677 @Deprecated
678 protected DataSet getCurrentDataSet() {
679 return layerManager.getEditDataSet();
680 }
681
682 /**
683 * Replies true if the active data layer (edit layer) is drawable.
684 *
685 * @return true if the active data layer (edit layer) is drawable, false otherwise
686 */
687 public boolean isActiveLayerDrawable() {
688 return layerManager.getEditLayer() != null;
689 }
690
691 /**
692 * Replies true if the active data layer (edit layer) is visible.
693 *
694 * @return true if the active data layer (edit layer) is visible, false otherwise
695 */
696 public boolean isActiveLayerVisible() {
697 OsmDataLayer e = layerManager.getEditLayer();
698 return e != null && e.isVisible();
699 }
700
701 /**
702 * Determines the next active data layer according to the following rules:
703 * <ul>
704 * <li>if there is at least one {@link OsmDataLayer} the first one
705 * becomes active</li>
706 * <li>otherwise, the top most layer of any type becomes active</li>
707 * </ul>
708 * To be removed: end of 2016.
709 * @param layersList lit of layers
710 *
711 * @return the next active data layer
712 * @deprecated now handled by {@link MainLayerManager}
713 */
714 @Deprecated
715 protected Layer determineNextActiveLayer(List<Layer> layersList) {
716 // First look for data layer
717 for (Layer layer:layersList) {
718 if (layer instanceof OsmDataLayer)
719 return layer;
720 }
721
722 // Then any layer
723 if (!layersList.isEmpty())
724 return layersList.get(0);
725
726 // and then give up
727 return null;
728 }
729
730 /**
731 * Remove the layer from the mapview. If the layer was in the list before,
732 * an LayerChange event is fired.
733 * <p>
734 * To be removed: end of 2016.
735 * @param layer The layer to remove
736 * @deprecated Use {@link Main#getLayerManager()}.removeLayer() instead.
737 */
738 @Deprecated
739 public void removeLayer(Layer layer) {
740 layerManager.removeLayer(layer);
741 }
742
743 @Override
744 public void layerRemoving(LayerRemoveEvent e) {
745 Layer layer = e.getRemovedLayer();
746
747 LayerPainter painter = registeredLayers.remove(layer);
748 if (painter == null) {
749 Main.error("The painter for layer " + layer + " was not registered.");
750 return;
751 }
752 painter.detachFromMapView(new MapViewEvent(this, false));
753 Main.removeProjectionChangeListener(layer);
754 layer.removePropertyChangeListener(this);
755 invalidatedListener.removeFrom(layer);
756 layer.destroy();
757 AudioPlayer.reset();
758
759 repaint();
760 }
761
762 private boolean virtualNodesEnabled;
763
764 public void setVirtualNodesEnabled(boolean enabled) {
765 if (virtualNodesEnabled != enabled) {
766 virtualNodesEnabled = enabled;
767 repaint();
768 }
769 }
770
771 /**
772 * Checks if virtual nodes should be drawn. Default is <code>false</code>
773 * @return The virtual nodes property.
774 * @see Rendering#render(DataSet, boolean, Bounds)
775 */
776 public boolean isVirtualNodesEnabled() {
777 return virtualNodesEnabled;
778 }
779
780 /**
781 * Moves the layer to the given new position. No event is fired, but repaints
782 * according to the new Z-Order of the layers.
783 *
784 * @param layer The layer to move
785 * @param pos The new position of the layer
786 */
787 public void moveLayer(Layer layer, int pos) {
788 layerManager.moveLayer(layer, pos);
789 }
790
791 @Override
792 public void layerOrderChanged(LayerOrderChangeEvent e) {
793 AudioPlayer.reset();
794 repaint();
795 }
796
797 /**
798 * Gets the index of the layer in the layer list.
799 * <p>
800 * To be removed: end of 2016.
801 * @param layer The layer to search for.
802 * @return The index in the list.
803 * @throws IllegalArgumentException if that layer does not belong to this view.
804 * @deprecated Access the layer list using {@link Main#getLayerManager()} instead.
805 */
806 @Deprecated
807 public int getLayerPos(Layer layer) {
808 int curLayerPos = layerManager.getLayers().indexOf(layer);
809 if (curLayerPos == -1)
810 throw new IllegalArgumentException(tr("Layer not in list."));
811 return curLayerPos;
812 }
813
814 /**
815 * Creates a list of the visible layers in Z-Order, the layer with the lowest Z-Order
816 * first, layer with the highest Z-Order last.
817 * <p>
818 * The active data layer is pulled above all adjacent data layers.
819 * <p>
820 * To be removed: end of 2016.
821 *
822 * @return a list of the visible in Z-Order, the layer with the lowest Z-Order
823 * first, layer with the highest Z-Order last.
824 * @deprecated Access the layer list using {@link Main#getLayerManager()} instead.
825 */
826 @Deprecated
827 public List<Layer> getVisibleLayersInZOrder() {
828 return layerManager.getVisibleLayersInZOrder();
829 }
830
831 private void paintLayer(Layer layer, Graphics2D g, Bounds box) {
832 try {
833 LayerPainter painter = registeredLayers.get(layer);
834 if (painter == null) {
835 throw new IllegalArgumentException("Cannot paint layer, it is not registered.");
836 }
837 MapViewRectangle clipBounds = getState().getViewArea(g.getClipBounds());
838 MapViewGraphics paintGraphics = new MapViewGraphics(this, g, clipBounds);
839
840 if (layer.getOpacity() < 1) {
841 g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) layer.getOpacity()));
842 }
843 painter.paint(paintGraphics);
844 g.setPaintMode();
845 } catch (RuntimeException t) {
846 BugReport.intercept(t).put("layer", layer).put("bounds", box).warn();
847 }
848 }
849
850 /**
851 * Draw the component.
852 */
853 @Override
854 public void paint(Graphics g) {
855 try {
856 if (!prepareToDraw()) {
857 return;
858 }
859 } catch (RuntimeException e) {
860 BugReport.intercept(e).put("center", () -> getCenter()).warn();
861 return;
862 }
863
864 List<Layer> visibleLayers = layerManager.getVisibleLayersInZOrder();
865
866 int nonChangedLayersCount = 0;
867 Set<MapViewPaintable> invalidated = invalidatedListener.collectInvalidatedLayers();
868 for (Layer l: visibleLayers) {
869 if (l.isChanged() || invalidated.contains(l)) {
870 break;
871 } else {
872 nonChangedLayersCount++;
873 }
874 }
875
876 boolean canUseBuffer;
877
878 synchronized (this) {
879 canUseBuffer = !paintPreferencesChanged;
880 paintPreferencesChanged = false;
881 }
882 canUseBuffer = canUseBuffer && nonChangedLayers.size() <= nonChangedLayersCount &&
883 lastViewID == getViewID() && lastClipBounds.contains(g.getClipBounds());
884 if (canUseBuffer) {
885 for (int i = 0; i < nonChangedLayers.size(); i++) {
886 if (visibleLayers.get(i) != nonChangedLayers.get(i)) {
887 canUseBuffer = false;
888 break;
889 }
890 }
891 }
892
893 if (null == offscreenBuffer || offscreenBuffer.getWidth() != getWidth() || offscreenBuffer.getHeight() != getHeight()) {
894 offscreenBuffer = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_3BYTE_BGR);
895 }
896
897 Graphics2D tempG = offscreenBuffer.createGraphics();
898 tempG.setClip(g.getClip());
899 Bounds box = getLatLonBounds(g.getClipBounds());
900
901 if (!canUseBuffer || nonChangedLayersBuffer == null) {
902 if (null == nonChangedLayersBuffer
903 || nonChangedLayersBuffer.getWidth() != getWidth() || nonChangedLayersBuffer.getHeight() != getHeight()) {
904 nonChangedLayersBuffer = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_3BYTE_BGR);
905 }
906 Graphics2D g2 = nonChangedLayersBuffer.createGraphics();
907 g2.setClip(g.getClip());
908 g2.setColor(PaintColors.getBackgroundColor());
909 g2.fillRect(0, 0, getWidth(), getHeight());
910
911 for (int i = 0; i < nonChangedLayersCount; i++) {
912 paintLayer(visibleLayers.get(i), g2, box);
913 }
914 } else {
915 // Maybe there were more unchanged layers then last time - draw them to buffer
916 if (nonChangedLayers.size() != nonChangedLayersCount) {
917 Graphics2D g2 = nonChangedLayersBuffer.createGraphics();
918 g2.setClip(g.getClip());
919 for (int i = nonChangedLayers.size(); i < nonChangedLayersCount; i++) {
920 paintLayer(visibleLayers.get(i), g2, box);
921 }
922 }
923 }
924
925 nonChangedLayers.clear();
926 for (int i = 0; i < nonChangedLayersCount; i++) {
927 nonChangedLayers.add(visibleLayers.get(i));
928 }
929 lastViewID = getViewID();
930 lastClipBounds = g.getClipBounds();
931
932 tempG.drawImage(nonChangedLayersBuffer, 0, 0, null);
933
934 for (int i = nonChangedLayersCount; i < visibleLayers.size(); i++) {
935 paintLayer(visibleLayers.get(i), tempG, box);
936 }
937
938 try {
939 drawTemporaryLayers(tempG, box);
940 } catch (RuntimeException e) {
941 BugReport.intercept(e).put("temporaryLayers", temporaryLayers).warn();
942 }
943
944 // draw world borders
945 try {
946 drawWorldBorders(tempG);
947 } catch (RuntimeException e) {
948 // getProjection() needs to be inside lambda to catch errors.
949 BugReport.intercept(e).put("bounds", () -> getProjection().getWorldBoundsLatLon()).warn();
950 }
951
952 if (Main.isDisplayingMapView() && Main.map.filterDialog != null) {
953 Main.map.filterDialog.drawOSDText(tempG);
954 }
955
956 if (playHeadMarker != null) {
957 playHeadMarker.paint(tempG, this);
958 }
959
960 try {
961 g.drawImage(offscreenBuffer, 0, 0, null);
962 } catch (ClassCastException e) {
963 // See #11002 and duplicate tickets. On Linux with Java >= 8 Many users face this error here:
964 //
965 // java.lang.ClassCastException: sun.awt.image.BufImgSurfaceData cannot be cast to sun.java2d.xr.XRSurfaceData
966 // at sun.java2d.xr.XRPMBlitLoops.cacheToTmpSurface(XRPMBlitLoops.java:145)
967 // at sun.java2d.xr.XrSwToPMBlit.Blit(XRPMBlitLoops.java:353)
968 // at sun.java2d.pipe.DrawImage.blitSurfaceData(DrawImage.java:959)
969 // at sun.java2d.pipe.DrawImage.renderImageCopy(DrawImage.java:577)
970 // at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:67)
971 // at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java:1014)
972 // at sun.java2d.pipe.ValidatePipe.copyImage(ValidatePipe.java:186)
973 // at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3318)
974 // at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:3296)
975 // at org.openstreetmap.josm.gui.MapView.paint(MapView.java:834)
976 //
977 // It seems to be this JDK bug, but Oracle does not seem to be fixing it:
978 // https://bugs.openjdk.java.net/browse/JDK-7172749
979 //
980 // According to bug reports it can happen for a variety of reasons such as:
981 // - long period of time
982 // - change of screen resolution
983 // - addition/removal of a secondary monitor
984 //
985 // But the application seems to work fine after, so let's just log the error
986 Main.error(e);
987 }
988 super.paint(g);
989 }
990
991 private void drawTemporaryLayers(Graphics2D tempG, Bounds box) {
992 synchronized (temporaryLayers) {
993 for (MapViewPaintable mvp : temporaryLayers) {
994 try {
995 mvp.paint(tempG, this, box);
996 } catch (RuntimeException e) {
997 throw BugReport.intercept(e).put("mvp", mvp);
998 }
999 }
1000 }
1001 }
1002
1003 private void drawWorldBorders(Graphics2D tempG) {
1004 tempG.setColor(Color.WHITE);
1005 Bounds b = getProjection().getWorldBoundsLatLon();
1006
1007 int w = getWidth();
1008 int h = getHeight();
1009
1010 // Work around OpenJDK having problems when drawing out of bounds
1011 final Area border = getState().getArea(b);
1012 // Make the viewport 1px larger in every direction to prevent an
1013 // additional 1px border when zooming in
1014 final Area viewport = new Area(new Rectangle(-1, -1, w + 2, h + 2));
1015 border.intersect(viewport);
1016 tempG.draw(border);
1017 }
1018
1019 /**
1020 * Sets up the viewport to prepare for drawing the view.
1021 * @return <code>true</code> if the view can be drawn, <code>false</code> otherwise.
1022 */
1023 public boolean prepareToDraw() {
1024 updateLocationState();
1025 if (initialViewport != null) {
1026 zoomTo(initialViewport);
1027 initialViewport = null;
1028 }
1029
1030 if (getCenter() == null)
1031 return false; // no data loaded yet.
1032
1033 // if the position was remembered, we need to adjust center once before repainting
1034 if (oldLoc != null && oldSize != null) {
1035 Point l1 = getLocationOnScreen();
1036 final EastNorth newCenter = new EastNorth(
1037 getCenter().getX()+ (l1.x-oldLoc.x - (oldSize.width-getWidth())/2.0)*getScale(),
1038 getCenter().getY()+ (oldLoc.y-l1.y + (oldSize.height-getHeight())/2.0)*getScale()
1039 );
1040 oldLoc = null; oldSize = null;
1041 zoomTo(newCenter);
1042 }
1043
1044 return true;
1045 }
1046
1047 /**
1048 * Returns all layers. To be removed: end of 2016.
1049 *
1050 * @return An unmodifiable collection of all layers
1051 * @deprecated Use {@link LayerManager#getLayers()} instead.
1052 */
1053 @Deprecated
1054 public Collection<Layer> getAllLayers() {
1055 return layerManager.getLayers();
1056 }
1057
1058 /**
1059 * Returns all layers as list. To be removed: end of 2016.
1060 *
1061 * @return An unmodifiable ordered list of all layers
1062 * @deprecated Use {@link LayerManager#getLayers()} instead.
1063 */
1064 @Deprecated
1065 public List<Layer> getAllLayersAsList() {
1066 return layerManager.getLayers();
1067 }
1068
1069 /**
1070 * Replies an unmodifiable list of layers of a certain type. To be removed: end of 2016.
1071 *
1072 * Example:
1073 * <pre>
1074 * List&lt;WMSLayer&gt; wmsLayers = getLayersOfType(WMSLayer.class);
1075 * </pre>
1076 *
1077 * @param <T> layer type
1078 *
1079 * @param ofType The layer type.
1080 * @return an unmodifiable list of layers of a certain type.
1081 * @deprecated Use {@link LayerManager#getLayersOfType(Class)} instead.
1082 */
1083 @Deprecated
1084 public <T extends Layer> List<T> getLayersOfType(Class<T> ofType) {
1085 return layerManager.getLayersOfType(ofType);
1086 }
1087
1088 /**
1089 * Replies the number of layers managed by this map view. To be removed: end of 2016.
1090 * <p>
1091 *
1092 * @return the number of layers managed by this map view
1093 * @deprecated Use {@link Main#getLayerManager()}.getLayers().size() instead.
1094 */
1095 @Deprecated
1096 public int getNumLayers() {
1097 return getAllLayers().size();
1098 }
1099
1100 /**
1101 * Replies true if there is at least one layer in this map view
1102 * <p>
1103 *
1104 * @return true if there is at least one layer in this map view
1105 * @deprecated Use !{@link Main#getLayerManager()}.getLayers().isEmpty() instead.
1106 */
1107 @Deprecated
1108 public boolean hasLayers() {
1109 return getNumLayers() > 0;
1110 }
1111
1112 /**
1113 * Sets the active layer to <code>layer</code>. If <code>layer</code> is an instance
1114 * of {@link OsmDataLayer} also sets editLayer to <code>layer</code>.
1115 * <p>
1116 *
1117 * @param layer the layer to be activate; must be one of the layers in the list of layers
1118 * @throws IllegalArgumentException if layer is not in the list of layers
1119 * @deprecated Use !{@link Main#getLayerManager()}.setActiveLayer() instead.
1120 */
1121 @Deprecated
1122 public void setActiveLayer(Layer layer) {
1123 layerManager.setActiveLayer(layer);
1124 }
1125
1126 /**
1127 * Replies the currently active layer
1128 * <p>
1129 *
1130 * @return the currently active layer (may be null)
1131 * @deprecated Use !{@link Main#getLayerManager()}.getActiveLayer() instead.
1132 */
1133 @Deprecated
1134 public Layer getActiveLayer() {
1135 return layerManager.getActiveLayer();
1136 }
1137
1138 @Override
1139 public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) {
1140 if (Main.map != null) {
1141 /* This only makes the buttons look disabled. Disabling the actions as well requires
1142 * the user to re-select the tool after i.e. moving a layer. While testing I found
1143 * that I switch layers and actions at the same time and it was annoying to mind the
1144 * order. This way it works as visual clue for new users */
1145 // FIXME: This does not belong here.
1146 for (final AbstractButton b: Main.map.allMapModeButtons) {
1147 MapMode mode = (MapMode) b.getAction();
1148 final boolean activeLayerSupported = mode.layerIsSupported(layerManager.getActiveLayer());
1149 if (activeLayerSupported) {
1150 Main.registerActionShortcut(mode, mode.getShortcut()); //fix #6876
1151 } else {
1152 Main.unregisterShortcut(mode.getShortcut());
1153 }
1154 b.setEnabled(activeLayerSupported);
1155 }
1156 }
1157 AudioPlayer.reset();
1158 repaint();
1159 }
1160
1161 /**
1162 * Replies the current edit layer, if any
1163 * <p>
1164 *
1165 * @return the current edit layer. May be null.
1166 * @deprecated Use !{@link Main#getLayerManager()}.getEditLayer() instead. To be made private: end of 2016.
1167 */
1168 @Deprecated
1169 public OsmDataLayer getEditLayer() {
1170 return layerManager.getEditLayer();
1171 }
1172
1173 /**
1174 * replies true if the list of layers managed by this map view contain layer
1175 * <p>
1176 *
1177 * @param layer the layer
1178 * @return true if the list of layers managed by this map view contain layer
1179 * @deprecated Use !{@link Main#getLayerManager()}.containsLayer() instead.
1180 */
1181 @Deprecated
1182 public boolean hasLayer(Layer layer) {
1183 return layerManager.containsLayer(layer);
1184 }
1185
1186 /**
1187 * Adds a new temporary layer.
1188 * <p>
1189 * A temporary layer is a layer that is painted above all normal layers. Layers are painted in the order they are added.
1190 *
1191 * @param mvp The layer to paint.
1192 * @return <code>true</code> if the layer was added.
1193 */
1194 public boolean addTemporaryLayer(MapViewPaintable mvp) {
1195 synchronized (temporaryLayers) {
1196 boolean added = temporaryLayers.add(mvp);
1197 if (added) {
1198 invalidatedListener.addTo(mvp);
1199 }
1200 return added;
1201 }
1202 }
1203
1204 /**
1205 * Removes a layer previously added as temporary layer.
1206 * @param mvp The layer to remove.
1207 * @return <code>true</code> if that layer was removed.
1208 */
1209 public boolean removeTemporaryLayer(MapViewPaintable mvp) {
1210 synchronized (temporaryLayers) {
1211 boolean removed = temporaryLayers.remove(mvp);
1212 if (removed) {
1213 invalidatedListener.removeFrom(mvp);
1214 }
1215 return removed;
1216 }
1217 }
1218
1219 /**
1220 * Gets a list of temporary layers.
1221 * @return The layers in the order they are added.
1222 */
1223 public List<MapViewPaintable> getTemporaryLayers() {
1224 synchronized (temporaryLayers) {
1225 return Collections.unmodifiableList(new ArrayList<>(temporaryLayers));
1226 }
1227 }
1228
1229 @Override
1230 public void propertyChange(PropertyChangeEvent evt) {
1231 if (evt.getPropertyName().equals(Layer.VISIBLE_PROP)) {
1232 repaint();
1233 } else if (evt.getPropertyName().equals(Layer.OPACITY_PROP) ||
1234 evt.getPropertyName().equals(Layer.FILTER_STATE_PROP)) {
1235 Layer l = (Layer) evt.getSource();
1236 if (l.isVisible()) {
1237 invalidatedListener.invalidate(l);
1238 }
1239 }
1240 }
1241
1242 /**
1243 * Sets the title of the JOSM main window, adding a star if there are dirty layers.
1244 * @see Main#parent
1245 * @deprecated Replaced by {@link MainFrame#refreshTitle()}. The {@link MainFrame} should handle this by itself.
1246 */
1247 @Deprecated
1248 protected void refreshTitle() {
1249 if (Main.parent != null) {
1250 ((MainFrame) Main.parent).refreshTitle();
1251 }
1252 }
1253
1254 @Override
1255 public void preferenceChanged(PreferenceChangeEvent e) {
1256 synchronized (this) {
1257 paintPreferencesChanged = true;
1258 }
1259 }
1260
1261 private final transient SelectionChangedListener repaintSelectionChangedListener = newSelection -> repaint();
1262
1263 /**
1264 * Destroy this map view panel. Should be called once when it is not needed any more.
1265 */
1266 public void destroy() {
1267 layerManager.removeLayerChangeListener(this, true);
1268 layerManager.removeActiveLayerChangeListener(this);
1269 Main.pref.removePreferenceChangeListener(this);
1270 DataSet.removeSelectionListener(repaintSelectionChangedListener);
1271 MultipolygonCache.getInstance().clear(this);
1272 if (mapMover != null) {
1273 mapMover.destroy();
1274 }
1275 nonChangedLayers.clear();
1276 synchronized (temporaryLayers) {
1277 temporaryLayers.clear();
1278 }
1279 nonChangedLayersBuffer = null;
1280 offscreenBuffer = null;
1281 }
1282
1283 /**
1284 * Get a string representation of all layers suitable for the {@code source} changeset tag.
1285 * @return A String of sources separated by ';'
1286 */
1287 public String getLayerInformationForSourceTag() {
1288 final Set<String> layerInfo = new TreeSet<>();
1289 if (!layerManager.getLayersOfType(GpxLayer.class).isEmpty()) {
1290 // no i18n for international values
1291 layerInfo.add("survey");
1292 }
1293 for (final GeoImageLayer i : layerManager.getLayersOfType(GeoImageLayer.class)) {
1294 if (i.isVisible()) {
1295 layerInfo.add(i.getName());
1296 }
1297 }
1298 for (final ImageryLayer i : layerManager.getLayersOfType(ImageryLayer.class)) {
1299 if (i.isVisible()) {
1300 layerInfo.add(ImageryInfo.ImageryType.BING.equals(i.getInfo().getImageryType()) ? "Bing" : i.getName());
1301 }
1302 }
1303 return Utils.join("; ", layerInfo);
1304 }
1305
1306 /**
1307 * This is a listener that gets informed whenever repaint is called for this MapView.
1308 * <p>
1309 * This is the only safe method to find changes to the map view, since many components call MapView.repaint() directly.
1310 * @author Michael Zangl
1311 * @since 10600 (functional interface)
1312 */
1313 @FunctionalInterface
1314 public interface RepaintListener {
1315 /**
1316 * Called when any repaint method is called (using default arguments if required).
1317 * @param tm see {@link JComponent#repaint(long, int, int, int, int)}
1318 * @param x see {@link JComponent#repaint(long, int, int, int, int)}
1319 * @param y see {@link JComponent#repaint(long, int, int, int, int)}
1320 * @param width see {@link JComponent#repaint(long, int, int, int, int)}
1321 * @param height see {@link JComponent#repaint(long, int, int, int, int)}
1322 */
1323 void repaint(long tm, int x, int y, int width, int height);
1324 }
1325
1326 private final transient CopyOnWriteArrayList<RepaintListener> repaintListeners = new CopyOnWriteArrayList<>();
1327
1328 /**
1329 * Adds a listener that gets informed whenever repaint() is called for this class.
1330 * @param l The listener.
1331 */
1332 public void addRepaintListener(RepaintListener l) {
1333 repaintListeners.add(l);
1334 }
1335
1336 /**
1337 * Removes a registered repaint listener.
1338 * @param l The listener.
1339 */
1340 public void removeRepaintListener(RepaintListener l) {
1341 repaintListeners.remove(l);
1342 }
1343
1344 @Override
1345 public void repaint(long tm, int x, int y, int width, int height) {
1346 // This is the main repaint method, all other methods are convenience methods and simply call this method.
1347 // This is just an observation, not a must, but seems to be true for all implementations I found so far.
1348 if (repaintListeners != null) {
1349 // Might get called early in super constructor
1350 for (RepaintListener l : repaintListeners) {
1351 l.repaint(tm, x, y, width, height);
1352 }
1353 }
1354 super.repaint(tm, x, y, width, height);
1355 }
1356
1357 @Override
1358 public void repaint() {
1359 if (Main.isTraceEnabled()) {
1360 invalidatedListener.traceRandomRepaint();
1361 }
1362 super.repaint();
1363 }
1364
1365 /**
1366 * Returns the layer manager.
1367 * @return the layer manager
1368 * @since 10282
1369 */
1370 public final MainLayerManager getLayerManager() {
1371 return layerManager;
1372 }
1373
1374 /**
1375 * Schedule a zoom to the given position on the next redraw.
1376 * Temporary, may be removed without warning.
1377 * @param viewportData the viewport to zoom to
1378 * @since 10394
1379 */
1380 public void scheduleZoomTo(ViewportData viewportData) {
1381 initialViewport = viewportData;
1382 }
1383}
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