Entire Switch bar should be a touch state

- add click listener for toggling the Switch and its text
- add Ripple background to the SwitchBar to make a nice Ripple
when there is a click/touch

See bug #15385724 Entire Switch bar should be a touch state

Change-Id: I26ef77ace596029e9c3e1e17b153b54df4a9110e

res/drawable/switchbar_background.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2014 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.
+-->
+
+<ripple xmlns:android="http://schemas.android.com/apk/res/android"
+                android:tint="?android:attr/colorControlHighlight">
+    <item>
+        <color android:color="@color/switchbar_background_color" />
+    </item>
+</ripple>
+

res/layout/settings_main.xml

@@ -31,7 +31,7 @@
         <com.android.settings.widget.SwitchBar android:id="@+id/switch_bar"
                   android:layout_height="?android:attr/actionBarSize"
                   android:layout_width="match_parent"
-                  android:background="@color/switch_bar_background_color"
+                  android:background="@drawable/switchbar_background"
                   android:theme="@android:style/Theme.Quantum" />
 
         <FrameLayout

res/values/colors.xml

@@ -59,6 +59,6 @@
 
     <color name="actionbar_background_color">#ff263238</color>
     <color name="dashboard_background_color">#ffe1e1e0</color>
-    <color name="switch_bar_background_color">#ff384248</color>
+    <color name="switchbar_background_color">#ff384248</color>
     <color name="switch_accent_color">#ff7fcac3</color>
 </resources>

src/com/android/settings/widget/SwitchBar.java

@@ -20,6 +20,7 @@ import android.content.Context;
 import android.transition.TransitionManager;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.CompoundButton;
@@ -31,7 +32,8 @@ import com.android.settings.R;
 
 import java.util.ArrayList;
 
-public class SwitchBar extends LinearLayout implements CompoundButton.OnCheckedChangeListener {
+public class SwitchBar extends LinearLayout implements CompoundButton.OnCheckedChangeListener,
+        View.OnClickListener {
 
     private ToggleSwitch mSwitch;
     private TextView mTextView;
@@ -82,6 +84,8 @@ public class SwitchBar extends LinearLayout implements CompoundButton.OnCheckedC
         mSwitch.setTrackResource(R.drawable.switch_track);
         mSwitch.setThumbResource(R.drawable.switch_inner);
 
+        setOnClickListener(this);
+
         // Default is hide
         setVisibility(View.GONE);
     }
@@ -105,13 +109,23 @@ public class SwitchBar extends LinearLayout implements CompoundButton.OnCheckedC
     }
 
     @Override
-    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+    public void onClick(View v) {
+        final boolean isChecked = !mSwitch.isChecked();
+        mSwitch.setChecked(isChecked);
+    }
+
+    public void propagateChecked(boolean isChecked) {
         final int count = mSwitchChangeListeners.size();
         for (int n = 0; n < count; n++) {
-            mSwitchChangeListeners.get(n).onSwitchChanged(mSwitch,isChecked);
+            mSwitchChangeListeners.get(n).onSwitchChanged(mSwitch, isChecked);
         }
     }
 
+    @Override
+    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+        propagateChecked(isChecked);
+    }
+
     public void addOnSwitchChangeListener(OnSwitchChangeListener listener) {
         if (mSwitchChangeListeners.contains(listener)) {
             throw new IllegalStateException("Cannot add twice the same OnSwitchChangeListener");