Move two target preference layout from settings to lib

Change-Id: I5eda0cdcc4e8d8bb25f95ee12837d90179ac5c0a
Fix: 36511169
Test: make RunSettingsLibRoboTests

1 files changed, 77 insertions, 0 deletions

diff --git a/packages/SettingsLib/src/com/android/settingslib/TwoTargetPreference.java b/packages/SettingsLib/src/com/android/settingslib/TwoTargetPreference.java
new file mode 100644
index 000000000000..1c161dffced9
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/TwoTargetPreference.java
@@ -0,0 +1,77 @@
+/*
+ * 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.settingslib;
+
+import android.content.Context;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.util.AttributeSet;
+import android.view.View;
+
+public class TwoTargetPreference extends Preference {
+
+    public TwoTargetPreference(Context context, AttributeSet attrs,
+            int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+        init();
+    }
+
+    public TwoTargetPreference(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init();
+    }
+
+    public TwoTargetPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public TwoTargetPreference(Context context) {
+        super(context);
+        init();
+    }
+
+    private void init() {
+        setLayoutResource(R.layout.preference_two_target);
+        final int secondTargetResId = getSecondTargetResId();
+        if (secondTargetResId != 0) {
+            setWidgetLayoutResource(secondTargetResId);
+        }
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder holder) {
+        super.onBindViewHolder(holder);
+        final View divider = holder.findViewById(R.id.two_target_divider);
+        final View widgetFrame = holder.findViewById(android.R.id.widget_frame);
+        final boolean shouldHideSecondTarget = shouldHideSecondTarget();
+        if (divider != null) {
+            divider.setVisibility(shouldHideSecondTarget ? View.GONE : View.VISIBLE);
+        }
+        if (widgetFrame != null) {
+            widgetFrame.setVisibility(shouldHideSecondTarget ? View.GONE : View.VISIBLE);
+        }
+    }
+
+    protected boolean shouldHideSecondTarget() {
+        return getSecondTargetResId() == 0;
+    }
+
+    protected int getSecondTargetResId() {
+        return 0;
+    }
+}