Refactor layout of ProcessStatsPreference

- only this preference use AppPreference.setProgress()
- create layout to handle progressbar in this class

Bug: 365506467
Test: atest
Flag: EXEMPT bugfix
Change-Id: Ie0daf4e4fc1736943afe243566392d57c63fe65a

res/layout/preference_process_stats.xml

@@ -0,0 +1,100 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  Copyright (C) 2024 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.
+  -->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:background="?android:attr/selectableItemBackground"
+    android:gravity="center_vertical"
+    android:minHeight="?android:attr/listPreferredItemHeightSmall"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
+
+    <LinearLayout
+        android:id="@+id/icon_frame"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:gravity="start|center_vertical"
+        android:minWidth="@dimen/secondary_app_icon_size"
+        android:orientation="horizontal"
+        android:paddingEnd="16dp"
+        android:paddingTop="4dp"
+        android:paddingBottom="4dp">
+        <ImageView
+            android:id="@android:id/icon"
+            android:layout_width="@dimen/secondary_app_icon_size"
+            android:layout_height="@dimen/secondary_app_icon_size"/>
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:orientation="vertical"
+        android:paddingTop="16dp"
+        android:paddingBottom="16dp">
+
+        <TextView
+            android:id="@android:id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:ellipsize="marquee"
+            android:fadingEdge="horizontal"
+            android:maxLines="2"
+            android:hyphenationFrequency="normalFast"
+            android:lineBreakWordStyle="phrase"
+            android:textAppearance="?android:attr/textAppearanceListItem"/>
+
+        <TextView
+            android:id="@android:id/summary"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textDirection="locale"
+            android:hyphenationFrequency="normalFast"
+            android:lineBreakWordStyle="phrase"
+            android:textAppearance="?android:attr/textAppearanceSmall"
+            android:textColor="?android:attr/textColorSecondary"/>
+
+        <TextView
+            android:id="@+id/appendix"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:ellipsize="end"
+            android:maxLines="1"
+            android:textAppearance="?android:attr/textAppearanceSmall"
+            android:textColor="?android:attr/textColorSecondary"
+            android:visibility="gone"/>
+
+        <ProgressBar
+            android:id="@android:id/progress"
+            style="?android:attr/progressBarStyleHorizontal"
+            android:layout_width="match_parent"
+            android:layout_height="4dp"
+            android:layout_marginTop="4dp"
+            android:max="100"
+            android:visibility="gone"/>
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@android:id/widget_frame"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:gravity="center_vertical|end"
+        android:minWidth="@dimen/two_target_min_width"
+        android:orientation="vertical"/>
+
+</LinearLayout>

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

@@ -21,16 +21,24 @@ import android.content.pm.PackageManager;
 import android.text.TextUtils;
 import android.text.format.Formatter;
 import android.util.Log;
+import android.view.View;
+import android.widget.ProgressBar;
 
+import androidx.preference.PreferenceViewHolder;
+
+import com.android.settings.R;
 import com.android.settingslib.widget.AppPreference;
 
 public class ProcessStatsPreference extends AppPreference {
     static final String TAG = "ProcessStatsPreference";
 
     private ProcStatsPackageEntry mEntry;
+    private int mProgress;
+    private boolean mProgressVisible;
 
     public ProcessStatsPreference(Context context) {
         super(context, null);
+        setLayoutResource(R.layout.preference_process_stats);
     }
 
     public void init(ProcStatsPackageEntry entry, PackageManager pm, double maxMemory,
@@ -56,4 +64,29 @@ public class ProcessStatsPreference extends AppPreference {
     public ProcStatsPackageEntry getEntry() {
         return mEntry;
     }
+
+    /**
+     * Sets the current progress.
+     * @param amount the current progress
+     *
+     * @see ProgressBar#setProgress(int)
+     */
+    public void setProgress(int amount) {
+        mProgress = amount;
+        mProgressVisible = true;
+        notifyChanged();
+    }
+
+    @Override
+    public void onBindViewHolder(PreferenceViewHolder view) {
+        super.onBindViewHolder(view);
+
+        final ProgressBar progress = (ProgressBar) view.findViewById(android.R.id.progress);
+        if (mProgressVisible) {
+            progress.setProgress(mProgress);
+            progress.setVisibility(View.VISIBLE);
+        } else {
+            progress.setVisibility(View.GONE);
+        }
+    }
 }

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

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2024 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 android.content.Context;
+import android.view.View;
+
+import androidx.preference.PreferenceViewHolder;
+
+import com.android.settings.R;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class ProcessStatsPreferenceTest {
+
+    private Context mContext;
+    private View mRootView;
+    private ProcessStatsPreference mPref;
+    private PreferenceViewHolder mHolder;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mRootView = View.inflate(mContext, R.layout.preference_process_stats, null /* parent */);
+        mHolder = PreferenceViewHolder.createInstanceForTests(mRootView);
+        mPref = new ProcessStatsPreference(mContext);
+    }
+
+    @Test
+    public void setProgress_showProgress() {
+        mPref.setProgress(1);
+        mPref.onBindViewHolder(mHolder);
+
+        assertThat(mHolder.findViewById(android.R.id.progress).getVisibility())
+                .isEqualTo(View.VISIBLE);
+    }
+
+    @Test
+    public void foobar_testName() {
+        float iconSize = mContext.getResources().getDimension(
+                com.android.settingslib.widget.theme.R.dimen.secondary_app_icon_size);
+        assertThat(Float.floatToIntBits(iconSize)).isEqualTo(Float.floatToIntBits(32));
+    }
+}