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package com.mapbox.mapboxsdk.maps;
import android.support.annotation.NonNull;
import java.util.ArrayList;
import java.util.List;
import static com.mapbox.mapboxsdk.maps.MapboxMap.OnCameraIdleListener;
import static com.mapbox.mapboxsdk.maps.MapboxMap.OnCameraMoveCanceledListener;
import static com.mapbox.mapboxsdk.maps.MapboxMap.OnCameraMoveListener;
import static com.mapbox.mapboxsdk.maps.MapboxMap.OnCameraMoveStartedListener;
class CameraChangeDispatcher implements MapboxMap.OnCameraMoveStartedListener, MapboxMap.OnCameraMoveListener,
MapboxMap.OnCameraMoveCanceledListener, OnCameraIdleListener {
private boolean idle = true;
private final List<OnCameraMoveStartedListener> onCameraMoveStartedListenerList = new ArrayList<>();
private final List<OnCameraMoveCanceledListener> onCameraMoveCanceledListenerList = new ArrayList<>();
private final List<OnCameraMoveListener> onCameraMoveListenerList = new ArrayList<>();
private final List<OnCameraIdleListener> onCameraIdleListenerList = new ArrayList<>();
private OnCameraMoveStartedListener onCameraMoveStartedListener;
private OnCameraMoveCanceledListener onCameraMoveCanceledListener;
private OnCameraMoveListener onCameraMoveListener;
private OnCameraIdleListener onCameraIdleListener;
@Deprecated
void setOnCameraMoveStartedListener(OnCameraMoveStartedListener onCameraMoveStartedListener) {
this.onCameraMoveStartedListener = onCameraMoveStartedListener;
}
@Deprecated
void setOnCameraMoveCanceledListener(OnCameraMoveCanceledListener onCameraMoveCanceledListener) {
this.onCameraMoveCanceledListener = onCameraMoveCanceledListener;
}
@Deprecated
void setOnCameraMoveListener(OnCameraMoveListener onCameraMoveListener) {
this.onCameraMoveListener = onCameraMoveListener;
}
@Deprecated
void setOnCameraIdleListener(OnCameraIdleListener onCameraIdleListener) {
this.onCameraIdleListener = onCameraIdleListener;
}
@Override
public void onCameraMoveStarted(int reason) {
if (!idle) {
return;
}
idle = false;
// deprecated API
if (onCameraMoveStartedListener != null) {
onCameraMoveStartedListener.onCameraMoveStarted(reason);
}
// new API
if (!onCameraMoveStartedListenerList.isEmpty()) {
for (OnCameraMoveStartedListener cameraMoveStartedListener : onCameraMoveStartedListenerList) {
cameraMoveStartedListener.onCameraMoveStarted(reason);
}
}
}
@Override
public void onCameraMove() {
// deprecated API
if (onCameraMoveListener != null && !idle) {
onCameraMoveListener.onCameraMove();
}
// new API
if (!onCameraMoveListenerList.isEmpty() && !idle) {
for (OnCameraMoveListener cameraMoveListener : onCameraMoveListenerList) {
cameraMoveListener.onCameraMove();
}
}
}
@Override
public void onCameraMoveCanceled() {
// deprecated API
if (onCameraMoveCanceledListener != null && !idle) {
onCameraMoveCanceledListener.onCameraMoveCanceled();
}
// new API
if (!onCameraMoveCanceledListenerList.isEmpty() && !idle) {
for (OnCameraMoveCanceledListener cameraMoveCanceledListener : onCameraMoveCanceledListenerList) {
cameraMoveCanceledListener.onCameraMoveCanceled();
}
}
}
@Override
public void onCameraIdle() {
if (!idle) {
idle = true;
// deprecated API
if (onCameraIdleListener != null) {
onCameraIdleListener.onCameraIdle();
}
// new API
if (!onCameraIdleListenerList.isEmpty()) {
for (OnCameraIdleListener cameraIdleListener : onCameraIdleListenerList) {
cameraIdleListener.onCameraIdle();
}
}
}
}
void addOnCameraIdleListener(@NonNull OnCameraIdleListener listener) {
onCameraIdleListenerList.add(listener);
}
void removeOnCameraIdleListener(@NonNull OnCameraIdleListener listener) {
if (onCameraIdleListenerList.contains(listener)) {
onCameraIdleListenerList.remove(listener);
}
}
void addOnCameraMoveCancelListener(OnCameraMoveCanceledListener listener) {
onCameraMoveCanceledListenerList.add(listener);
}
void removeOnCameraMoveCancelListener(OnCameraMoveCanceledListener listener) {
if (onCameraMoveCanceledListenerList.contains(listener)) {
onCameraMoveCanceledListenerList.remove(listener);
}
}
void addOnCameraMoveStartedListener(OnCameraMoveStartedListener listener) {
onCameraMoveStartedListenerList.add(listener);
}
void removeOnCameraMoveStartedListener(OnCameraMoveStartedListener listener) {
if (onCameraMoveStartedListenerList.contains(listener)) {
onCameraMoveStartedListenerList.remove(listener);
}
}
void addOnCameraMoveListener(OnCameraMoveListener listener) {
onCameraMoveListenerList.add(listener);
}
void removeOnCameraMoveListener(OnCameraMoveListener listener) {
if (onCameraMoveListenerList.contains(listener)) {
onCameraMoveListenerList.remove(listener);
}
}
}
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