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package com.mapbox.mapboxsdk.testapp.activity.render;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.os.Environment;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.Gravity;
import android.widget.FrameLayout;
import android.widget.ImageView;
import com.google.gson.Gson;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.snapshotter.MapSnapshot;
import com.mapbox.mapboxsdk.snapshotter.MapSnapshotter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class RenderTestActivity extends AppCompatActivity {
private final Map<RenderTestDefinition, Bitmap> renderResultMap = new HashMap<>();
private final List<MapSnapshotter> mapSnapshotterList = new ArrayList<>();
private ImageView imageView;
private OnSnapshotReadyListener onSnapshotReadyListener;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(imageView = new ImageView(RenderTestActivity.this));
imageView.setLayoutParams(new FrameLayout.LayoutParams(512, 512, Gravity.CENTER));
try {
RenderTestDefinition[] renderTestDefinitions = createRenderTestDefinition();
renderTests(renderTestDefinitions);
} catch (IOException exception) {
throw new RuntimeException(exception);
}
}
private RenderTestDefinition[] createRenderTestDefinition() throws IOException {
return new Gson().fromJson(
new InputStreamReader(getAssets().open("render-test.json")),
RenderTestDefinition[].class
);
}
private void renderTests(RenderTestDefinition[] renderTestDefinitions) {
for (RenderTestDefinition renderTestDefinition : renderTestDefinitions) {
renderTest(renderTestDefinition, renderTestDefinitions.length);
}
}
private void renderTest(final RenderTestDefinition renderTestDefinition, final int testSize) {
MapSnapshotter mapSnapshotter = new MapSnapshotter(this, renderTestDefinition.toOptions());
mapSnapshotterList.add(mapSnapshotter);
mapSnapshotter.start(new MapSnapshotter.SnapshotReadyCallback() {
@Override
public void onSnapshotReady(MapSnapshot result) {
Bitmap snapshot = result.getBitmap();
imageView.setImageBitmap(snapshot);
renderResultMap.put(renderTestDefinition, snapshot);
if (renderResultMap.size() == testSize) {
writeResultsToDisk();
onSnapshotReadyListener.onSnapshotReady();
}
}
});
}
private void writeResultsToDisk() {
if (isExternalStorageWritable()) {
try {
File testResultDir = createTestResultRootFolder();
String basePath = testResultDir.getAbsolutePath();
for (Map.Entry<RenderTestDefinition, Bitmap> testResult : renderResultMap.entrySet()) {
String testName = testResult.getKey().getName();
String testDir = createTestDirectory(basePath, testName);
writeTestResultToDisk(testDir, testResult.getValue());
}
} catch (final Exception exception) {
imageView.post(new Runnable() {
@Override
public void run() {
throw new RuntimeException(exception);
}
});
}
}
}
private File createTestResultRootFolder() {
File testResultDir = new File(Environment.getExternalStorageDirectory() + File.separator + "mapbox");
if (testResultDir.exists()) {
// cleanup old files
deleteRecursive(testResultDir);
}
if (!testResultDir.mkdirs()) {
throw new RuntimeException("can't create root test directory");
}
return testResultDir;
}
private void deleteRecursive(File fileOrDirectory) {
if (fileOrDirectory.isDirectory()) {
File[] files = fileOrDirectory.listFiles();
if (files != null) {
for (File file : files) {
deleteRecursive(file);
}
}
}
if (!fileOrDirectory.delete()) {
throw new RuntimeException("can't delete directory");
}
}
private String createTestDirectory(String basePath, String testName) {
File testDir = new File(basePath + "/" + testName);
if (!testDir.exists()) {
if (!testDir.mkdir()) {
throw new RuntimeException("can't create sub directory for " + testName);
}
}
return testDir.getAbsolutePath();
}
private void writeTestResultToDisk(String testPath, Bitmap testResult) throws IOException {
String filePath = testPath + "/actual.png";
FileOutputStream out = new FileOutputStream(filePath);
testResult.compress(Bitmap.CompressFormat.PNG, 100, out);
out.flush();
out.close();
}
@Override
protected void onStop() {
super.onStop();
for (MapSnapshotter snapshotter : mapSnapshotterList) {
snapshotter.cancel();
}
}
private boolean isExternalStorageWritable() {
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
}
public void setOnSnapshotReadyListener(OnSnapshotReadyListener listener) {
this.onSnapshotReadyListener = listener;
}
public interface OnSnapshotReadyListener {
void onSnapshotReady();
}
}
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