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package com.mapbox.mapboxsdk.maps;
import android.arch.lifecycle.LifecycleOwner;
import android.arch.lifecycle.LiveData;
import android.arch.lifecycle.MutableLiveData;
import android.arch.lifecycle.ViewModel;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import com.mapbox.mapboxsdk.camera.CameraPosition;
import com.mapbox.mapboxsdk.constants.Style;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import timber.log.Timber;
/**
* Internal class used to manage map settings.
*/
public final class MapSettings extends ViewModel {
private CameraPosition lastCameraPosition = CameraPosition.DEFAULT;
private MutableLiveData<Double> maxZoom = new MutableLiveData<>();
private MutableLiveData<Double> minZoom = new MutableLiveData<>();
private MutableLiveData<Boolean> isDebugMode = new MutableLiveData<>();
private MutableLiveData<Boolean> prefetchesTiles = new MutableLiveData<>();
private MutableLiveData<String> styleUrl = new MutableLiveData<>();
private MutableLiveData<String> apiBaseUrl = new MutableLiveData<>();
void initialiseOptions(@NonNull MapboxMapOptions options) {
setLastCameraPosition(options.getCamera());
setMinZoom(options.getMinZoomPreference());
setMaxZoom(options.getMaxZoomPreference());
setDebugMode(options.getDebugActive());
setPrefetchesTiles(options.getPrefetchesTiles());
String apiBaseUrl = options.getApiBaseUrl();
if (!TextUtils.isEmpty(apiBaseUrl)) {
setApiBaseUrl(apiBaseUrl);
}
String style = options.getStyle();
if (!TextUtils.isEmpty(style)) {
setStyleUrl(style);
} else {
setStyleUrl(Style.MAPBOX_STREETS);
}
}
@Nullable
public CameraPosition getLastCameraPosition() {
return lastCameraPosition;
}
public void setLastCameraPosition(@Nullable CameraPosition lastCameraPosition) {
this.lastCameraPosition = lastCameraPosition;
}
public double getMinZoom() {
return minZoom.getValue();
}
public MutableLiveData<Double> getMinZoomObservable() {
return minZoom;
}
public void setMinZoom(double minZoom) {
this.minZoom.setValue(minZoom);
}
public double getMaxZoom() {
return maxZoom.getValue();
}
public MutableLiveData<Double> getMaxZoomObservable() {
return maxZoom;
}
public void setMaxZoom(double maxZoom) {
this.maxZoom.setValue(maxZoom);
}
public MutableLiveData<Boolean> isDebugModeObservable() {
return isDebugMode;
}
public boolean isDebugMode() {
return isDebugMode.getValue();
}
public void setDebugMode(boolean isDebugMode) {
this.isDebugMode.setValue(isDebugMode);
}
public MutableLiveData<Boolean> getPrefetchesTilesObservable() {
return prefetchesTiles;
}
public boolean getPrefetchesTiles() {
return prefetchesTiles.getValue();
}
public void setPrefetchesTiles(boolean prefetchesTiles) {
this.prefetchesTiles.setValue(prefetchesTiles);
}
public MutableLiveData<String> getStyleUrlObservable() {
return styleUrl;
}
public String getStyleUrl() {
return styleUrl.getValue();
}
public void setStyleUrl(String styleUrl) {
if (!TextUtils.isEmpty(styleUrl)) {
this.styleUrl.setValue(styleUrl);
}
}
public MutableLiveData<String> getApiBaseUrlObservable() {
return apiBaseUrl;
}
public void setApiBaseUrl(String apiBaseUrl) {
this.apiBaseUrl.setValue(apiBaseUrl);
}
void onMapDestroy(@NonNull Context context) {
clearObservers((LifecycleOwner) context);
}
private void clearObservers(@NonNull LifecycleOwner lifecycleOwner) {
try {
Field[] fields = this.getClass().getDeclaredFields();
Method method = LiveData.class.getDeclaredMethod("removeObservers", LifecycleOwner.class);
for (Field field : fields) {
Class type = field.getType();
if (type == MutableLiveData.class) {
Object value = field.get(this);
method.invoke(value, lifecycleOwner);
}
}
} catch (NoSuchMethodException ex) {
Timber.e("Unable to clear %s observers, %s.", this.getClass(), ex.getClass().getSimpleName());
ex.printStackTrace();
} catch (IllegalAccessException ex) {
Timber.e("Unable to clear %s observers, %s.", this.getClass(), ex.getClass().getSimpleName());
ex.printStackTrace();
} catch (InvocationTargetException ex) {
Timber.e("Unable to clear %s observers, %s.", this.getClass(), ex.getClass().getSimpleName());
ex.printStackTrace();
}
}
}
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