切换地图的逻辑修改

libraries/mogo-map-api/src/main/java/com/mogo/map/location/IMogoLocationClient.java

@@ -6,7 +6,7 @@ package com.mogo.map.location;
  * <p>
  * 定位接口
  */
-public interface IMogoLocationClient {
+public interface IMogoLocationClient extends IMogoLocationListenerRegister {
 
     /**
      * 开始定位
@@ -25,20 +25,6 @@ public interface IMogoLocationClient {
      */
     void stop();
 
-    /**
-     * 注册定位回调
-     *
-     * @param listener
-     */
-    void addLocationListener( IMogoLocationListener listener );
-
-    /**
-     * 注销定位回调
-     *
-     * @param listener
-     */
-    void removeLocationListener( IMogoLocationListener listener );
-
     /**
      * 返回上一次有效定位
      *

libraries/mogo-map-api/src/main/java/com/mogo/map/location/IMogoLocationListenerRegister.java

@@ -0,0 +1,24 @@
+package com.mogo.map.location;
+
+/**
+ * @author congtaowang
+ * @since 2019-12-24
+ * <p>
+ * 地图监听注册管理
+ */
+public interface IMogoLocationListenerRegister {
+
+    /**
+     * 注册定位回调
+     *
+     * @param listener
+     */
+    void addLocationListener( IMogoLocationListener listener );
+
+    /**
+     * 注销定位回调
+     *
+     * @param listener
+     */
+    void removeLocationListener( IMogoLocationListener listener );
+}

libraries/mogo-map-api/src/main/java/com/mogo/map/location/MogoLocationListenerRegister.java

@@ -0,0 +1,75 @@
+package com.mogo.map.location;
+
+import java.sql.ClientInfoStatus;
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ * @author congtaowang
+ * @since 2019-12-24
+ * <p>
+ * 地图监听注册管理
+ */
+public class MogoLocationListenerRegister implements IMogoLocationListenerRegister {
+
+    private static volatile MogoLocationListenerRegister sInstance;
+
+    private MogoLocationListenerRegister() {
+    }
+
+    public static MogoLocationListenerRegister getInstance() {
+        if ( sInstance == null ) {
+            synchronized ( MogoLocationListenerRegister.class ) {
+                if ( sInstance == null ) {
+                    sInstance = new MogoLocationListenerRegister();
+                }
+            }
+        }
+        return sInstance;
+    }
+
+    public synchronized void release() {
+        sInstance = null;
+    }
+
+    private Object readResolve() {
+        // 阻止反序列化，必须实现 Serializable 接口
+        return sInstance;
+    }
+
+    private Set< IMogoLocationListener > sListeners = new HashSet<>( 10 );
+
+    /**
+     * 注册定位回调
+     *
+     * @param listener
+     */
+    @Override
+    public void addLocationListener( IMogoLocationListener listener ) {
+        if ( listener == null ) {
+            return;
+        }
+        synchronized ( sListeners ) {
+            sListeners.add( listener );
+        }
+    }
+
+    /**
+     * 注销定位回调
+     *
+     * @param listener
+     */
+    @Override
+    public void removeLocationListener( IMogoLocationListener listener ) {
+        if ( listener == null ) {
+            return;
+        }
+        synchronized ( sListeners ) {
+            sListeners.remove( listener );
+        }
+    }
+
+    public Set< IMogoLocationListener > getListeners() {
+        return sListeners;
+    }
+}