Initial version -- added millennium read funcionality

2026-03-09 22:05:28 +01:00
commit 77c2ded482
2770 changed files with 141927 additions and 0 deletions
@@ -0,0 +1,101 @@
+package com.google.maps.android.clustering.algo;
+
+import androidx.collection.LongSparseArray;
+import com.google.maps.android.clustering.Cluster;
+import com.google.maps.android.clustering.ClusterItem;
+import com.google.maps.android.projection.Point;
+import com.google.maps.android.projection.SphericalMercatorProjection;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+/* JADX INFO: loaded from: classes2.dex */
+public class GridBasedAlgorithm<T extends ClusterItem> extends AbstractAlgorithm<T> {
+    private static final int DEFAULT_GRID_SIZE = 100;
+    private int mGridSize = 100;
+    private final Set<T> mItems = Collections.synchronizedSet(new HashSet());
+
+    @Override // com.google.maps.android.clustering.algo.Algorithm
+    public boolean addItem(T t) {
+        return this.mItems.add(t);
+    }
+
+    @Override // com.google.maps.android.clustering.algo.Algorithm
+    public boolean addItems(Collection<T> collection) {
+        return this.mItems.addAll(collection);
+    }
+
+    @Override // com.google.maps.android.clustering.algo.Algorithm
+    public void clearItems() {
+        this.mItems.clear();
+    }
+
+    @Override // com.google.maps.android.clustering.algo.Algorithm
+    public boolean removeItem(T t) {
+        return this.mItems.remove(t);
+    }
+
+    @Override // com.google.maps.android.clustering.algo.Algorithm
+    public boolean removeItems(Collection<T> collection) {
+        return this.mItems.removeAll(collection);
+    }
+
+    @Override // com.google.maps.android.clustering.algo.Algorithm
+    public boolean updateItem(T t) {
+        boolean zRemoveItem;
+        synchronized (this.mItems) {
+            zRemoveItem = removeItem(t);
+            if (zRemoveItem) {
+                zRemoveItem = addItem(t);
+            }
+        }
+        return zRemoveItem;
+    }
+
+    @Override // com.google.maps.android.clustering.algo.Algorithm
+    public void setMaxDistanceBetweenClusteredItems(int i) {
+        this.mGridSize = i;
+    }
+
+    @Override // com.google.maps.android.clustering.algo.Algorithm
+    public int getMaxDistanceBetweenClusteredItems() {
+        return this.mGridSize;
+    }
+
+    @Override // com.google.maps.android.clustering.algo.Algorithm
+    public Set<? extends Cluster<T>> getClusters(float f) {
+        long j;
+        long jCeil = (long) Math.ceil((Math.pow(2.0d, f) * 256.0d) / ((double) this.mGridSize));
+        SphericalMercatorProjection sphericalMercatorProjection = new SphericalMercatorProjection(jCeil);
+        HashSet hashSet = new HashSet();
+        LongSparseArray longSparseArray = new LongSparseArray();
+        synchronized (this.mItems) {
+            for (T t : this.mItems) {
+                Point point = sphericalMercatorProjection.toPoint(t.getPosition());
+                long coord = getCoord(jCeil, point.x, point.y);
+                StaticCluster staticCluster = (StaticCluster) longSparseArray.get(coord);
+                if (staticCluster == null) {
+                    j = jCeil;
+                    staticCluster = new StaticCluster(sphericalMercatorProjection.toLatLng(new com.google.maps.android.geometry.Point(Math.floor(point.x) + 0.5d, Math.floor(point.y) + 0.5d)));
+                    longSparseArray.put(coord, staticCluster);
+                    hashSet.add(staticCluster);
+                } else {
+                    j = jCeil;
+                }
+                staticCluster.add(t);
+                jCeil = j;
+            }
+        }
+        return hashSet;
+    }
+
+    @Override // com.google.maps.android.clustering.algo.Algorithm
+    public Collection<T> getItems() {
+        return this.mItems;
+    }
+
+    private static long getCoord(long j, double d, double d2) {
+        return (long) ((j * Math.floor(d)) + Math.floor(d2));
+    }
+}