/**
* Searches the view port on the live map with Strategy.AUTO
*
* @param viewport Area to search
* @param tokens Live map tokens
*/
@NonNull
public static SearchResult searchByViewport(final Viewport viewport, final MapTokens tokens) {
final int speed =
(int) Sensors.getInstance().currentGeo().getSpeed() * 60 * 60 / 1000; // in km/h
LivemapStrategy strategy = Settings.getLiveMapStrategy();
if (strategy == LivemapStrategy.AUTO) {
strategy = speed >= 30 ? LivemapStrategy.FAST : LivemapStrategy.DETAILED;
}
final SearchResult result = searchByViewport(viewport, tokens, strategy);
if (Settings.isDebug()) {
final StringBuilder text =
new StringBuilder(Formatter.SEPARATOR)
.append(strategy.getL10n())
.append(Formatter.SEPARATOR)
.append(Units.getSpeed(speed));
result.setUrl(result.getUrl() + text);
}
return result;
}
/**
* Searches the view port on the live map for caches. The strategy dictates if only live map
* information is used or if an additional searchByCoordinates query is issued.
*
* @param viewport Area to search
* @param tokens Live map tokens
* @param strategy Strategy for data retrieval and parsing, @see Strategy
*/
@NonNull
private static SearchResult searchByViewport(
final Viewport viewport, final MapTokens tokens, final LivemapStrategy strategy) {
Log.d("GCMap.searchByViewport" + viewport.toString());
final SearchResult searchResult = new SearchResult();
if (Settings.isDebug()) {
searchResult.setUrl(viewport.getCenter().format(Format.LAT_LON_DECMINUTE));
}
if (strategy.flags.contains(LivemapStrategy.Flag.LOAD_TILES)) {
final Set<Tile> tiles = Tile.getTilesForViewport(viewport);
if (Settings.isDebug()) {
searchResult.setUrl(
new StringBuilder()
.append(tiles.iterator().next().getZoomLevel())
.append(Formatter.SEPARATOR)
.append(searchResult.getUrl())
.toString());
}
for (final Tile tile : tiles) {
if (!Tile.cache.contains(tile)) {
final Parameters params =
new Parameters(
"x", String.valueOf(tile.getX()),
"y", String.valueOf(tile.getY()),
"z", String.valueOf(tile.getZoomLevel()),
"ep", "1",
"app", "cgeo");
if (tokens != null) {
params.put("k", tokens.getUserSession(), "st", tokens.getSessionToken());
}
if (Settings.isExcludeMyCaches()) { // works only for PM
params.put("hf", "1", "hh", "1"); // hide found, hide hidden
}
// ect: exclude cache type (probably), comma separated list
if (Settings.getCacheType() != CacheType.ALL) {
params.put("ect", getCacheTypeFilter(Settings.getCacheType()));
}
if (tile.getZoomLevel() != 14) {
params.put("_", String.valueOf(System.currentTimeMillis()));
}
// The PNG must be requested first, otherwise the following request would always return
// with 204 - No Content
final Single<Bitmap> bitmapObs =
Tile.requestMapTile(params).onErrorResumeNext(Single.<Bitmap>just(null));
final Single<String> dataObs =
Tile.requestMapInfo(GCConstants.URL_MAP_INFO, params, GCConstants.URL_LIVE_MAP)
.onErrorResumeNext(Single.just(""));
try {
Single.zip(
bitmapObs,
dataObs,
new Func2<Bitmap, String, Void>() {
@Override
public Void call(final Bitmap bitmap, final String data) {
final boolean validBitmap =
bitmap != null
&& bitmap.getWidth() == Tile.TILE_SIZE
&& bitmap.getHeight() == Tile.TILE_SIZE;
if (StringUtils.isEmpty(data)) {
Log.w(
"GCMap.searchByViewport: No data from server for tile ("
+ tile.getX()
+ "/"
+ tile.getY()
+ ")");
} else {
final SearchResult search =
parseMapJSON(data, tile, validBitmap ? bitmap : null, strategy);
if (CollectionUtils.isEmpty(search.getGeocodes())) {
Log.e(
"GCMap.searchByViewport: No cache parsed for viewport " + viewport);
} else {
synchronized (searchResult) {
searchResult.addSearchResult(search);
}
}
synchronized (Tile.cache) {
Tile.cache.add(tile);
}
}
// release native bitmap memory
if (bitmap != null) {
bitmap.recycle();
}
return null;
}
})
.toBlocking()
.value();
} catch (final Exception e) {
Log.e("GCMap.searchByViewPort: connection error");
}
}
}
// Check for vanished found caches
if (tiles.iterator().next().getZoomLevel() >= Tile.ZOOMLEVEL_MIN_PERSONALIZED) {
searchResult.addFilteredGeocodes(
DataStore.getCachedMissingFromSearch(
searchResult,
tiles,
GCConnector.getInstance(),
Tile.ZOOMLEVEL_MIN_PERSONALIZED - 1));
}
}
if (strategy.flags.contains(Flag.SEARCH_NEARBY) && Settings.isGCPremiumMember()) {
final Geopoint center = viewport.getCenter();
if ((lastSearchViewport == null) || !lastSearchViewport.contains(center)) {
// FIXME We don't have a RecaptchaReceiver!?
final SearchResult search =
GCParser.searchByCoords(center, Settings.getCacheType(), false, null);
if (search != null && !search.isEmpty()) {
final Set<String> geocodes = search.getGeocodes();
lastSearchViewport = DataStore.getBounds(geocodes);
searchResult.addGeocodes(geocodes);
}
}
}
return searchResult;
}