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Underlay/Overlay threading

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This commit is contained in:
Alexey Pelykh 2015-02-26 16:12:54 +02:00
parent d25a5a9ba2
commit 1b9455e864
2 changed files with 68 additions and 7 deletions
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73
OsmAnd/src/net/osmand/core/android/TileSourceProxyProvider.java
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@ -6,6 +6,7 @@ import java.io.IOException;
import net.osmand.IndexConstants;
import net.osmand.core.jni.AlphaChannelPresence;
import net.osmand.core.jni.IMapDataProvider;
import net.osmand.core.jni.MapStubStyle;
import net.osmand.core.jni.SWIGTYPE_p_QByteArray;
import net.osmand.core.jni.SwigUtilities;
@ -13,7 +14,9 @@ import net.osmand.core.jni.TileId;
import net.osmand.core.jni.ZoomLevel;
import net.osmand.core.jni.interface_ImageMapLayerProvider;
import net.osmand.map.ITileSource;
import net.osmand.map.MapTileDownloader;
import net.osmand.plus.OsmandApplication;
import net.osmand.plus.resources.AsyncLoadingThread;
import net.osmand.plus.resources.ResourceManager;
public class TileSourceProxyProvider extends interface_ImageMapLayerProvider {
@ -49,14 +52,22 @@ public class TileSourceProxyProvider extends interface_ImageMapLayerProvider {
String tileFilename = rm.calculateTileId(tileSource, tileId.getX(), tileId.getY(),
zoom.swigValue());
if (!rm.tileExistOnFileSystem(tileFilename, tileSource, tileId.getX(), tileId.getY(),
zoom.swigValue())) {
Bitmap loadedBitmap = null;
while (loadedBitmap == null) {
loadedBitmap = rm.getTileImageForMapSync(tileFilename, tileSource,
tileId.getX(), tileId.getY(), zoom.swigValue(), true);
final TileReadyCallback tileReadyCallback = new TileReadyCallback(tileSource,
tileId.getX(), tileId.getY(), zoom.swigValue());
rm.getMapTileDownloader().addDownloaderCallback(tileReadyCallback);
while (rm.getTileImageForMapAsync(tileFilename, tileSource, tileId.getX(), tileId.getY(),
zoom.swigValue(), true) == null) {
synchronized (tileReadyCallback.getSync()) {
if (tileReadyCallback.isReady()) {
break;
}
try {
tileReadyCallback.getSync().wait(250);
} catch (InterruptedException e) {
}
}
}
rm.getMapTileDownloader().removeDownloaderCallback(tileReadyCallback);
image = tileSource.getBytes(tileId.getX(), tileId.getY(), zoom.swigValue(),
app.getAppPath(IndexConstants.TILES_INDEX_DIR).getAbsolutePath());
@ -83,4 +94,54 @@ public class TileSourceProxyProvider extends interface_ImageMapLayerProvider {
public AlphaChannelPresence getAlphaChannelPresence() {
return AlphaChannelPresence.Unknown;
}
@Override
public IMapDataProvider.SourceType getSourceType() {
return IMapDataProvider.SourceType.NetworkDirect;
}
private static class TileReadyCallback implements MapTileDownloader.IMapDownloaderCallback {
private final ITileSource tileSource;
private final int x;
private final int y;
private final int zoom;
private boolean ready = false;
private final Object sync = new Object();
public TileReadyCallback(ITileSource tileSource, int x, int y, int zoom) {
this.tileSource = tileSource;
this.x = x;
this.y = y;
this.zoom = zoom;
}
public boolean isReady() {
return ready;
}
public Object getSync() {
return sync;
}
@Override
public void tileDownloaded(MapTileDownloader.DownloadRequest request) {
if (!(request instanceof AsyncLoadingThread.TileLoadDownloadRequest)) {
return;
}
AsyncLoadingThread.TileLoadDownloadRequest tileLoadRequest =
(AsyncLoadingThread.TileLoadDownloadRequest)request;
if (tileSource != tileLoadRequest.tileSource ||
x != tileLoadRequest.xTile ||
y != tileLoadRequest.yTile ||
zoom != tileLoadRequest.zoom) {
return;
}
synchronized (sync) {
ready = true;
sync.notifyAll();
}
}
}
}

2
OsmAnd/src/net/osmand/plus/resources/AsyncLoadingThread.java
View file

@ -162,7 +162,7 @@ public class AsyncLoadingThread extends Thread {
resourceManger.getMapTileDownloader().requestToDownload(req);
}
protected static class TileLoadDownloadRequest extends DownloadRequest {
public static class TileLoadDownloadRequest extends DownloadRequest {
public final String tileId;
public final File dirWithTiles;