mirror of https://github.com/YTVanced/VancedMicroG
163 lines
5.9 KiB
Java
163 lines
5.9 KiB
Java
/*
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* Copyright 2013-2016 microG Project Team
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.microg.gms.maps;
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import android.content.Context;
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import android.content.ContextWrapper;
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import android.content.pm.ApplicationInfo;
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import android.graphics.BitmapFactory;
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import android.util.AttributeSet;
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import android.util.Log;
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import com.google.android.gms.R;
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import org.microg.gms.maps.data.SharedTileCache;
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import org.microg.gms.maps.markup.ClearableVectorLayer;
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import org.oscim.android.AndroidAssets;
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import org.oscim.android.MapView;
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import org.oscim.android.canvas.AndroidBitmap;
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import org.oscim.backend.AssetAdapter;
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import org.oscim.layers.marker.ItemizedLayer;
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import org.oscim.layers.marker.MarkerItem;
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import org.oscim.layers.marker.MarkerSymbol;
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import org.oscim.layers.tile.buildings.BuildingLayer;
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import org.oscim.layers.tile.vector.VectorTileLayer;
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import org.oscim.layers.tile.vector.labeling.LabelLayer;
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import org.oscim.map.Layers;
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import org.oscim.theme.VtmThemes;
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import org.oscim.tiling.ITileCache;
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import org.oscim.tiling.source.oscimap4.OSciMap4TileSource;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.Enumeration;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipFile;
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public class BackendMapView extends MapView {
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private static final String TAG = "GmsMapView";
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private static boolean nativeLibLoaded = false;
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private LabelLayer labels;
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private BuildingLayer buildings;
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private ItemizedLayer<MarkerItem> items;
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private ClearableVectorLayer drawables;
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static synchronized Context loadNativeLib(Context context) {
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try {
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if (nativeLibLoaded) return context;
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ApplicationInfo otherAppInfo = context.getPackageManager().getApplicationInfo(context.getApplicationContext().getPackageName(), 0);
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String primaryCpuAbi = (String) ApplicationInfo.class.getField("primaryCpuAbi").get(otherAppInfo);
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if (primaryCpuAbi != null) {
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String path = "lib/" + primaryCpuAbi + "/libvtm-jni.so";
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File cacheFile = new File(context.getApplicationContext().getCacheDir().getAbsolutePath() + "/.gmscore/" + path);
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cacheFile.getParentFile().mkdirs();
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File apkFile = new File(context.getPackageCodePath());
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if (!cacheFile.exists() || cacheFile.lastModified() < apkFile.lastModified()) {
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ZipFile zipFile = new ZipFile(apkFile);
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ZipEntry entry = zipFile.getEntry(path);
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if (entry != null) {
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copyInputStream(zipFile.getInputStream(entry), new FileOutputStream(cacheFile));
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} else {
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Log.d(TAG, "Can't load native library: " + path + " does not exist in " + apkFile);
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Enumeration<? extends ZipEntry> entries = zipFile.entries();
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while (entries.hasMoreElements()) {
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Log.d(TAG, "but: " + entries.nextElement());
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}
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}
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}
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Log.d(TAG, "Loading vtm-jni from " + cacheFile.getPath());
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System.load(cacheFile.getAbsolutePath());
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nativeLibLoaded = true;
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}
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} catch (Exception e) {
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Log.w(TAG, e);
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}
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if (!nativeLibLoaded) {
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Log.d(TAG, "Loading native vtm-jni");
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System.loadLibrary("vtm-jni");
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nativeLibLoaded = true;
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}
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return context;
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}
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private static final void copyInputStream(InputStream in, OutputStream out) throws IOException {
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byte[] buffer = new byte[1024];
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int len;
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while ((len = in.read(buffer)) >= 0)
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out.write(buffer, 0, len);
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in.close();
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out.close();
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}
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@Override
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public void onResume() {
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super.onResume();
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}
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@Override
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public void onPause() {
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super.onPause();
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}
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public BackendMapView(Context context) {
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super(loadNativeLib(context));
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if (context instanceof ContextWrapper) {
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AndroidAssets.init(ApplicationContextWrapper.matchingApplicationContext(((ContextWrapper) context).getBaseContext()));
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}
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initialize();
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}
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public BackendMapView(Context context, AttributeSet attributeSet) {
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super(loadNativeLib(context), attributeSet);
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initialize();
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}
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ItemizedLayer<MarkerItem> items() {
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return items;
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}
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BuildingLayer buildings() {
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return buildings;
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}
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ClearableVectorLayer drawables() {
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return drawables;
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}
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private void initialize() {
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ITileCache cache = new SharedTileCache(getContext());
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cache.setCacheSize(512 * (1 << 10));
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OSciMap4TileSource tileSource = new OSciMap4TileSource();
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tileSource.setCache(cache);
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VectorTileLayer baseLayer = map().setBaseMap(tileSource);
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Layers layers = map().layers();
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layers.add(labels = new LabelLayer(map(), baseLayer));
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layers.add(drawables = new ClearableVectorLayer(map()));
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layers.add(buildings = new BuildingLayer(map(), baseLayer));
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layers.add(items = new ItemizedLayer<MarkerItem>(map(), new MarkerSymbol(
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new AndroidBitmap(BitmapFactory.decodeResource(getContext().getResources(), R.drawable.nop)), 0.5F, 1)));
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map().setTheme(VtmThemes.DEFAULT);
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}
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}
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