Add SensitiveCheckBox

app/src/main/java/com/hippo/widget/SensitiveCheckBox.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2015 Hippo Seven
+ *
+ * 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.hippo.widget;
+
+import android.content.Context;
+import android.support.v7.widget.AppCompatCheckBox;
+import android.util.AttributeSet;
+
+public class SensitiveCheckBox extends AppCompatCheckBox {
+
+    private boolean mFromUser;
+
+    private OnCheckedChangeListener mOnCheckedChangeListener;
+
+    public SensitiveCheckBox(Context context) {
+        super(context);
+    }
+
+    public SensitiveCheckBox(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public SensitiveCheckBox(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+    }
+
+    @Override
+    public boolean performClick() {
+        boolean result;
+
+        mFromUser = true;
+        result = super.performClick();
+        mFromUser = false;
+
+        return result;
+    }
+
+    public void setOnCheckedChangeListener(OnCheckedChangeListener listener) {
+        mOnCheckedChangeListener = listener;
+    }
+
+    @Override
+    public void setChecked(boolean checked) {
+        super.setChecked(checked);
+
+        if (mOnCheckedChangeListener != null) {
+            mOnCheckedChangeListener.onCheckedChanged(this, checked, mFromUser);
+        }
+    }
+
+    /**
+     * Interface definition for a callback to be invoked when the checked state
+     * of a compound button changed.
+     */
+    public interface OnCheckedChangeListener {
+        /**
+         * Called when the checked state of a compound button has changed.
+         *
+         * @param view The sensitive check box view whose state has changed.
+         * @param isChecked  The new checked state of buttonView.
+         * @param fromUser True if the rating change was initiated by a user's
+         *            touch gesture.
+         */
+        void onCheckedChanged(SensitiveCheckBox view, boolean isChecked, boolean fromUser);
+    }
+}