1 files changed, 72 insertions, 0 deletions
diff --git a/app/src/main/java/com/wireguard/android/widget/ToggleSwitch.java b/app/src/main/java/com/wireguard/android/widget/ToggleSwitch.java
new file mode 100644
index 00000000..c8f9ab2d
--- /dev/null
+++ b/app/src/main/java/com/wireguard/android/widget/ToggleSwitch.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2013 The Android Open Source 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.wireguard.android.widget;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.widget.Switch;
+
+public class ToggleSwitch extends Switch {
+    private boolean hasPendingStateChange;
+    private OnBeforeCheckedChangeListener listener;
+
+    public interface OnBeforeCheckedChangeListener {
+        void onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked);
+    }
+
+    public ToggleSwitch(final Context context) {
+        super(context);
+    }
+
+    public ToggleSwitch(final Context context, final AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public ToggleSwitch(final Context context, final AttributeSet attrs, final int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    public ToggleSwitch(final Context context, final AttributeSet attrs, final int defStyleAttr,
+                        final int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+    }
+
+    public void setOnBeforeCheckedChangeListener(final OnBeforeCheckedChangeListener listener) {
+        this.listener = listener;
+    }
+
+    @Override
+    public void setChecked(final boolean checked) {
+        if (listener != null) {
+            if (!isEnabled())
+                return;
+            setEnabled(false);
+            hasPendingStateChange = true;
+            listener.onBeforeCheckedChanged(this, checked);
+        } else {
+            super.setChecked(checked);
+        }
+    }
+
+    public void setCheckedInternal(final boolean checked) {
+        if (hasPendingStateChange) {
+            setEnabled(true);
+            hasPendingStateChange = false;
+        }
+        super.setChecked(checked);
+    }
+}