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package com.mapbox.mapboxsdk.maps;
import android.app.AlertDialog;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.support.annotation.NonNull;
import android.text.Html;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
import android.text.style.URLSpan;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Toast;
import com.mapbox.mapboxsdk.R;
import com.mapbox.mapboxsdk.camera.CameraPosition;
import com.mapbox.mapboxsdk.style.sources.Source;
import com.mapbox.services.android.telemetry.MapboxTelemetry;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Locale;
/**
* Responsible for managing attribution interactions on the map.
* <p>
* When the user clicks the attribution icon, {@link AttributionDialogManager#onClick(View)} will be invoked.
* An attribution dialog will be shown to the user with contents based on the attributions found in the map style.
* Additionally an telemetry option item is shown to configure telemetry settings.
* </p>
*/
class AttributionDialogManager implements View.OnClickListener, DialogInterface.OnClickListener {
private static final String MAP_FEEDBACK_URL = "https://www.mapbox.com/map-feedback";
private static final String MAP_FEEDBACK_LOCATION_FORMAT = MAP_FEEDBACK_URL + "/#/%f/%f/%d";
private final Context context;
private final MapboxMap mapboxMap;
private String[] attributionKeys;
private HashMap<String, String> attributionMap;
AttributionDialogManager(@NonNull Context context, @NonNull MapboxMap mapboxMap) {
this.context = context;
this.mapboxMap = mapboxMap;
}
// Called when someone presses the attribution icon on the map
@Override
public void onClick(View view) {
attributionMap = new AttributionBuilder(context, mapboxMap).build();
showAttributionDialog();
}
private void showAttributionDialog() {
attributionKeys = attributionMap.keySet().toArray(new String[attributionMap.size()]);
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle(R.string.mapbox_attributionsDialogTitle);
builder.setAdapter(new ArrayAdapter<>(context, R.layout.mapbox_attribution_list_item, attributionKeys), this);
builder.show();
}
// Called when someone selects an attribution or telemetry settings from the dialog
@Override
public void onClick(DialogInterface dialog, int which) {
if (isLatestEntry(which)) {
showTelemetryDialog();
} else {
showMapFeedbackWebPage(which);
}
}
private boolean isLatestEntry(int attributionKeyIndex) {
return attributionKeyIndex == attributionKeys.length - 1;
}
private void showTelemetryDialog() {
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle(R.string.mapbox_attributionTelemetryTitle);
builder.setMessage(R.string.mapbox_attributionTelemetryMessage);
builder.setPositiveButton(R.string.mapbox_attributionTelemetryPositive, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
MapboxTelemetry.getInstance().setTelemetryEnabled(true);
dialog.cancel();
}
});
builder.setNeutralButton(R.string.mapbox_attributionTelemetryNeutral, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
showWebPage(context.getResources().getString(R.string.mapbox_telemetryLink));
dialog.cancel();
}
});
builder.setNegativeButton(R.string.mapbox_attributionTelemetryNegative, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
MapboxTelemetry.getInstance().setTelemetryEnabled(false);
dialog.cancel();
}
});
builder.show();
}
private void showMapFeedbackWebPage(int which) {
String url = attributionMap.get(attributionKeys[which]);
if (url.contains(MAP_FEEDBACK_URL)) {
url = buildMapFeedbackMapUrl(mapboxMap.getCameraPosition());
}
showWebPage(url);
}
private String buildMapFeedbackMapUrl(CameraPosition cameraPosition) {
// appends current location to the map feedback url if available
return cameraPosition != null ? String.format(Locale.getDefault(),
MAP_FEEDBACK_LOCATION_FORMAT, cameraPosition.target.getLongitude(), cameraPosition.target.getLatitude(),
(int) cameraPosition.zoom) : MAP_FEEDBACK_URL;
}
private void showWebPage(@NonNull String url) {
try {
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setData(Uri.parse(url));
context.startActivity(intent);
} catch (ActivityNotFoundException exception) {
// explicitly handling if the device hasn't have a web browser installed. #8899
Toast.makeText(context, R.string.mapbox_attributionErrorNoBrowser, Toast.LENGTH_LONG).show();
}
}
private static class AttributionBuilder {
private final HashMap<String, String> map = new LinkedHashMap<>();
private final Context context;
private final MapboxMap mapboxMap;
AttributionBuilder(Context context, MapboxMap mapboxMap) {
this.context = context.getApplicationContext();
this.mapboxMap = mapboxMap;
}
private HashMap<String, String> build() {
for (Source source : mapboxMap.getSources()) {
parseAttribution(source.getAttribution());
}
addTelemetryEntryToAttributionMap();
return map;
}
private void parseAttribution(String attributionSource) {
if (!TextUtils.isEmpty(attributionSource)) {
SpannableStringBuilder htmlBuilder = (SpannableStringBuilder) Html.fromHtml(attributionSource);
URLSpan[] urlSpans = htmlBuilder.getSpans(0, htmlBuilder.length(), URLSpan.class);
for (URLSpan urlSpan : urlSpans) {
map.put(resolveAnchorValue(htmlBuilder, urlSpan), urlSpan.getURL());
}
}
}
private String resolveAnchorValue(SpannableStringBuilder htmlBuilder, URLSpan urlSpan) {
int start = htmlBuilder.getSpanStart(urlSpan);
int end = htmlBuilder.getSpanEnd(urlSpan);
int length = end - start;
char[] charKey = new char[length];
htmlBuilder.getChars(start, end, charKey, 0);
return String.valueOf(charKey);
}
private void addTelemetryEntryToAttributionMap() {
String telemetryKey = context.getString(R.string.mapbox_telemetrySettings);
String telemetryLink = context.getString(R.string.mapbox_telemetryLink);
map.put(telemetryKey, telemetryLink);
}
}
}
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