1 files changed, 62 insertions, 0 deletions
diff --git a/src/com/android/launcher3/NetworkConnectionReceiver.java b/src/com/android/launcher3/NetworkConnectionReceiver.java
new file mode 100644
index 000000000..0b49c208d
--- /dev/null
+++ b/src/com/android/launcher3/NetworkConnectionReceiver.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2016 The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.net.ConnectivityManager;
+
+import java.util.HashSet;
+import java.util.Set;
+
+public class NetworkConnectionReceiver extends BroadcastReceiver {
+    public static final String INTENT_ACTION = ConnectivityManager.CONNECTIVITY_ACTION;
+
+    private final Set<NetworkStateChangeListener> mListeners;
+
+    interface NetworkStateChangeListener {
+        void onNetworkConnected();
+        void onNetworkDisconnected();
+    }
+
+    public NetworkConnectionReceiver() {
+        mListeners = new HashSet<NetworkStateChangeListener>();
+    }
+
+    public void registerListener(final NetworkStateChangeListener listener) {
+        mListeners.add(listener);
+    }
+
+    public void deregisterListener(final NetworkStateChangeListener listener) {
+        mListeners.remove(listener);
+    }
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (!intent.getAction().equals(INTENT_ACTION)) return;
+
+        boolean connected = Utilities.isNetworkConnected(context);
+        for (NetworkStateChangeListener listener: mListeners) {
+            if (connected) {
+                listener.onNetworkConnected();
+            } else {
+                listener.onNetworkDisconnected();
+            }
+        }
+    }
+}