Merge "Fix QS DND Radio alignment ONCE AND FOR ALL" into oc-dr1-dev
am: a5e3249b8a

Change-Id: Id4a3373bbb6006a0f31e99e74de4c810b84b3afa
diff --git a/packages/SystemUI/res/layout/zen_mode_condition.xml b/packages/SystemUI/res/layout/zen_mode_condition.xml
index 2b4a0f5..ab52465 100644
--- a/packages/SystemUI/res/layout/zen_mode_condition.xml
+++ b/packages/SystemUI/res/layout/zen_mode_condition.xml
@@ -27,6 +27,8 @@
         android:id="@android:id/content"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
+        android:minHeight="48dp"
+        android:gravity="center_vertical"
         android:layout_centerVertical="true"
         android:orientation="vertical"
         android:layout_toEndOf="@android:id/checkbox"
@@ -79,4 +81,4 @@
         android:tint="?android:attr/textColorPrimary"
         android:src="@drawable/ic_qs_plus" />
 
-</RelativeLayout>
\ No newline at end of file
+</RelativeLayout>
diff --git a/packages/SystemUI/res/layout/zen_mode_panel.xml b/packages/SystemUI/res/layout/zen_mode_panel.xml
index 4261641..5516983 100644
--- a/packages/SystemUI/res/layout/zen_mode_panel.xml
+++ b/packages/SystemUI/res/layout/zen_mode_panel.xml
@@ -93,7 +93,7 @@
 
         </RelativeLayout>
 
-        <LinearLayout
+        <com.android.systemui.volume.ZenRadioLayout
             android:id="@+id/zen_conditions"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
@@ -111,7 +111,7 @@
                 android:layout_width="fill_parent"
                 android:layout_height="fill_parent"
                 android:orientation="vertical"/>
-        </LinearLayout>
+        </com.android.systemui.volume.ZenRadioLayout>
 
         <TextView
             android:id="@+id/zen_alarm_warning"
diff --git a/packages/SystemUI/src/com/android/systemui/volume/ZenRadioLayout.java b/packages/SystemUI/src/com/android/systemui/volume/ZenRadioLayout.java
new file mode 100644
index 0000000..5dbcd8a
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/volume/ZenRadioLayout.java
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2017 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.android.systemui.volume;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+
+/**
+ * Specialized layout for zen mode that allows the radio buttons to reside within
+ * a RadioGroup, but also makes sure that all the heights off the radio buttons align
+ * with the corresponding content in the second child of this view.
+ */
+public class ZenRadioLayout extends LinearLayout {
+
+    public ZenRadioLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    /**
+     * Run 2 measurement passes, 1 that figures out the size of the content, and another
+     * that sets the size of the radio buttons to the heights of the corresponding content.
+     */
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+
+        ViewGroup radioGroup = (ViewGroup) getChildAt(0);
+        ViewGroup radioContent = (ViewGroup) getChildAt(1);
+        int size = radioGroup.getChildCount();
+        if (size != radioContent.getChildCount()) {
+            throw new IllegalStateException("Expected matching children");
+        }
+        boolean hasChanges = false;
+        for (int i = 0; i < size; i++) {
+            View radio = radioGroup.getChildAt(i);
+            View content = radioContent.getChildAt(i);
+            if (radio.getLayoutParams().height != content.getMeasuredHeight()) {
+                hasChanges = true;
+                radio.getLayoutParams().height = content.getMeasuredHeight();
+            }
+        }
+        // Measure again if any heights changed.
+        if (hasChanges) {
+            super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        }
+    }
+}