Merge "Fix disable/force stop app button incorrect state." into oc-dev

am: 6190c159e8

Change-Id: I3aff38236f1eeb69779a53a1b971f83f69bc752d

src/com/android/settings/applications/LayoutPreference.java

@@ -18,6 +18,7 @@ package com.android.settings.applications;
 
 import android.content.Context;
 import android.content.res.TypedArray;
+import android.support.annotation.VisibleForTesting;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceViewHolder;
 import android.util.AttributeSet;
@@ -31,7 +32,10 @@ import com.android.settings.Utils;
 
 public class LayoutPreference extends Preference {
 
-    private View mRootView;
+    private final View.OnClickListener mClickListener = v -> performClick(v);
+
+    @VisibleForTesting
+    View mRootView;
 
     public LayoutPreference(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -59,7 +63,7 @@ public class LayoutPreference extends Preference {
 
     private void setView(View view) {
         setLayoutResource(R.layout.layout_preference_frame);
-        final ViewGroup allDetails = (ViewGroup) view.findViewById(R.id.all_details);
+        final ViewGroup allDetails = view.findViewById(R.id.all_details);
         if (allDetails != null) {
             Utils.forceCustomPadding(allDetails, true /* additive padding */);
         }
@@ -68,9 +72,14 @@ public class LayoutPreference extends Preference {
     }
 
     @Override
-    public void onBindViewHolder(PreferenceViewHolder view) {
+    public void onBindViewHolder(PreferenceViewHolder holder) {
-        super.onBindViewHolder(view);
+        holder.itemView.setOnClickListener(mClickListener);
-        FrameLayout layout = (FrameLayout) view.itemView;
+
+        final boolean selectable = isSelectable();
+        holder.itemView.setFocusable(selectable);
+        holder.itemView.setClickable(selectable);
+
+        FrameLayout layout = (FrameLayout) holder.itemView;
         layout.removeAllViews();
         ViewGroup parent = (ViewGroup) mRootView.getParent();
         if (parent != null) {

tests/robotests/src/com/android/settings/applications/LayoutPreferenceTest.java

@@ -0,0 +1,90 @@
+/*
+ * 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.settings.applications;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+
+import android.content.Context;
+import android.support.v7.preference.Preference.OnPreferenceClickListener;
+import android.support.v7.preference.PreferenceViewHolder;
+import android.view.LayoutInflater;
+import android.view.View;
+
+import com.android.settings.R;
+import com.android.settings.SettingsRobolectricTestRunner;
+import com.android.settings.TestConfig;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+public class LayoutPreferenceTest {
+
+    private Context mContext;
+    private LayoutPreference mPreference;
+    private View mRootView;
+    private PreferenceViewHolder mHolder;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mPreference = new LayoutPreference(mContext, R.layout.app_action_buttons);
+        mRootView = mPreference.mRootView;
+        mHolder = PreferenceViewHolder.createInstanceForTests(LayoutInflater.from(mContext)
+                .inflate(R.layout.layout_preference_frame, null, false));
+    }
+
+    @Test
+    public void setOnClickListener_shouldAttachToRootView() {
+        final OnPreferenceClickListener listener = mock(OnPreferenceClickListener.class);
+
+        mPreference.setOnPreferenceClickListener(listener);
+        mPreference.onBindViewHolder(mHolder);
+
+        mHolder.itemView.callOnClick();
+
+        verify(listener).onPreferenceClick(mPreference);
+        assertThat(mHolder.itemView.isFocusable()).isTrue();
+        assertThat(mHolder.itemView.isClickable()).isTrue();
+    }
+
+    @Test
+    public void setNonSelectable_viewShouldNotBeSelectable() {
+        mPreference.setSelectable(false);
+        mPreference.onBindViewHolder(mHolder);
+
+        assertThat(mHolder.itemView.isFocusable()).isFalse();
+        assertThat(mHolder.itemView.isClickable()).isFalse();
+    }
+
+    @Test
+    public void disableSomeView_shouldMaintainStateAfterBind() {
+        mPreference.findViewById(R.id.left_button).setEnabled(false);
+        mPreference.findViewById(R.id.right_button).setEnabled(true);
+
+        mPreference.onBindViewHolder(mHolder);
+
+        assertThat(mPreference.findViewById(R.id.left_button).isEnabled()).isFalse();
+        assertThat(mPreference.findViewById(R.id.right_button).isEnabled()).isTrue();
+    }
+}