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[android] - derived source attribution (#8630)
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.../MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/AttributionDialogManager.java
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| package com.mapbox.mapboxsdk.maps; | ||
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| import android.content.Context; | ||
| import android.content.DialogInterface; | ||
| import android.content.Intent; | ||
| import android.net.Uri; | ||
| import android.support.annotation.NonNull; | ||
| import android.support.v7.app.AlertDialog; | ||
| 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; | ||
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| 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; | ||
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| import java.util.HashMap; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.Locale; | ||
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| /** | ||
| * 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 { | ||
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| 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"; | ||
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| private final Context context; | ||
| private final MapboxMap mapboxMap; | ||
| private String[] attributionKeys; | ||
| private HashMap<String, String> attributionMap; | ||
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| AttributionDialogManager(@NonNull Context context, @NonNull MapboxMap mapboxMap) { | ||
| this.context = context; | ||
| this.mapboxMap = mapboxMap; | ||
| } | ||
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| // Called when someone presses the attribution icon on the map | ||
| @Override | ||
| public void onClick(View view) { | ||
| attributionMap = new AttributionBuilder(context, mapboxMap).build(); | ||
| showAttributionDialog(); | ||
| } | ||
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| private void showAttributionDialog() { | ||
| attributionKeys = attributionMap.keySet().toArray(new String[attributionMap.size()]); | ||
| AlertDialog.Builder builder = new AlertDialog.Builder(context, R.style.mapbox_AlertDialogStyle); | ||
| builder.setTitle(R.string.mapbox_attributionsDialogTitle); | ||
| builder.setAdapter(new ArrayAdapter<>(context, R.layout.mapbox_attribution_list_item, attributionKeys), this); | ||
| builder.show(); | ||
| } | ||
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| // 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 { | ||
| showAttributionWebPage(which); | ||
| } | ||
| } | ||
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| private boolean isLatestEntry(int attributionKeyIndex) { | ||
| return attributionKeyIndex == attributionKeys.length - 1; | ||
| } | ||
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| private void showTelemetryDialog() { | ||
| AlertDialog.Builder builder = new AlertDialog.Builder(context, R.style.mapbox_AlertDialogStyle); | ||
| 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) { | ||
| String url = context.getResources().getString(R.string.mapbox_telemetryLink); | ||
| Intent intent = new Intent(Intent.ACTION_VIEW); | ||
| intent.setData(Uri.parse(url)); | ||
| context.startActivity(intent); | ||
| 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(); | ||
| } | ||
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| private void showAttributionWebPage(int which) { | ||
| Intent intent = new Intent(Intent.ACTION_VIEW); | ||
| String url = attributionMap.get(attributionKeys[which]); | ||
| if (url.contains(MAP_FEEDBACK_URL)) { | ||
| url = buildMapFeedbackMapUrl(mapboxMap.getCameraPosition()); | ||
| } | ||
| intent.setData(Uri.parse(url)); | ||
| context.startActivity(intent); | ||
| } | ||
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| 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; | ||
| } | ||
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| private static class AttributionBuilder { | ||
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| private final HashMap<String, String> map = new LinkedHashMap<>(); | ||
| private final Context context; | ||
| private final MapboxMap mapboxMap; | ||
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| AttributionBuilder(Context context, MapboxMap mapboxMap) { | ||
| this.context = context.getApplicationContext(); | ||
| this.mapboxMap = mapboxMap; | ||
| } | ||
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| private HashMap<String, String> build() { | ||
| for (Source source : mapboxMap.getSources()) { | ||
| parseAttribution(source.getAttribution()); | ||
| } | ||
| addTelemetryEntryToAttributionMap(); | ||
| return map; | ||
| } | ||
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| 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()); | ||
| } | ||
| } | ||
| } | ||
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| 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); | ||
| } | ||
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| 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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platform/android/MapboxGLAndroidSDK/src/main/res/values/arrays.xml
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