From 32e2f9757864759a9198abb9cb523f9b58291174 Mon Sep 17 00:00:00 2001
From: Wenyu Zhang <zhangwenyu@google.com>
Date: Tue, 7 Jan 2025 00:53:16 +0000
Subject: [PATCH] a11y: Initialize skeleton for autoclick indicator related
 settings

Screenshot: http://screen/5wWt8Tvr9K3fuoi.png

Change-Id: Iaf07e738d64e0e22caf7571a7529cccbf3079f87
Bug: b/383901288
Test: ToggleAutoclickCursorAreaSizeControllerTest
Flag: com.android.server.accessibility.enable_autoclick_indicator
---
 res/values/strings.xml                        |   6 +
 res/xml/accessibility_autoclick_settings.xml  |   9 ++
 ...ggleAutoclickCursorAreaSizeController.java | 101 +++++++++++++++++
 ...AutoclickCursorAreaSizeControllerTest.java | 103 ++++++++++++++++++
 4 files changed, 219 insertions(+)
 create mode 100644 src/com/android/settings/accessibility/ToggleAutoclickCursorAreaSizeController.java
 create mode 100644 tests/robotests/src/com/android/settings/accessibility/ToggleAutoclickCursorAreaSizeControllerTest.java

diff --git a/res/values/strings.xml b/res/values/strings.xml
index 4d843fb85cf..9eed075ab8a 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -5584,6 +5584,12 @@
     <string name="accessibility_autoclick_longer_desc">Longer</string>
     <!-- Description for the seekbar that adjust auto click time. [CHAR_LIMIT=NONE] -->
     <string name="accessibility_autoclick_seekbar_desc">Auto click time</string>
+    <!-- Title for the seekbar that adjust auto click cursor area size. [CHAR_LIMIT=NONE] -->
+    <!-- TODO(b/383901288): Update string to translatable once approved by UXW. -->
+    <string name="autoclick_cursor_area_size_title" translatable="false">Cursor area size</string>
+    <!-- Summary for the seekbar that adjust auto click cursor area size. [CHAR_LIMIT=NONE] -->
+    <!-- TODO(b/383901288): Update string to translatable once approved by UXW. -->
+    <string name="autoclick_cursor_area_size_summary" translatable="false">Adjust the autoclick ring indicator area size</string>
     <!-- Title for preference screen for configuring vibrations. [CHAR LIMIT=NONE] -->
     <string name="accessibility_vibration_settings_title">Vibration &amp; haptics</string>
     <!-- Summary for preference screen for configuring vibrations. [CHAR LIMIT=NONE] -->
diff --git a/res/xml/accessibility_autoclick_settings.xml b/res/xml/accessibility_autoclick_settings.xml
index 3a1bcd3aa05..72371f3e993 100644
--- a/res/xml/accessibility_autoclick_settings.xml
+++ b/res/xml/accessibility_autoclick_settings.xml
@@ -76,6 +76,15 @@
         settings:searchable="false"
         settings:controller="com.android.settings.accessibility.ToggleAutoclickCustomSeekbarController"/>
 
+    <com.android.settingslib.widget.SliderPreference
+        android:key="accessibility_control_autoclick_cursor_area_size"
+        android:title="@string/autoclick_cursor_area_size_title"
+        android:summary="@string/autoclick_cursor_area_size_summary"
+        settings:seekBarIncrement="20"
+        android:selectable="false"
+        settings:searchable="false"
+        settings:controller="com.android.settings.accessibility.ToggleAutoclickCursorAreaSizeController"/>
+
     <com.android.settings.accessibility.AccessibilityFooterPreference
         android:key="accessibility_autoclick_footer"
         android:title="@string/accessibility_autoclick_description"
diff --git a/src/com/android/settings/accessibility/ToggleAutoclickCursorAreaSizeController.java b/src/com/android/settings/accessibility/ToggleAutoclickCursorAreaSizeController.java
new file mode 100644
index 00000000000..26c0e66c79a
--- /dev/null
+++ b/src/com/android/settings/accessibility/ToggleAutoclickCursorAreaSizeController.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2025 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.accessibility;
+
+import static android.content.Context.MODE_PRIVATE;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+import androidx.annotation.Nullable;
+import androidx.lifecycle.Lifecycle;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.OnLifecycleEvent;
+import androidx.preference.PreferenceScreen;
+
+import com.android.server.accessibility.Flags;
+import com.android.settings.core.SliderPreferenceController;
+
+/** Controller class that controls accessibility autoclick cursor area size settings. */
+public class ToggleAutoclickCursorAreaSizeController extends SliderPreferenceController
+        implements LifecycleObserver, SharedPreferences.OnSharedPreferenceChangeListener {
+
+    public static final String TAG = ToggleAutoclickCursorAreaSizeController.class.getSimpleName();
+
+    private static final int MIN_SIZE = 20;
+    private static final int MAX_SIZE = 100;
+    private static final int DEFAULT_SIZE = 60;
+
+    private final SharedPreferences mSharedPreferences;
+
+    public ToggleAutoclickCursorAreaSizeController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mSharedPreferences = context.getSharedPreferences(context.getPackageName(), MODE_PRIVATE);
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_START)
+    public void onStart() {
+        if (mSharedPreferences != null) {
+            mSharedPreferences.registerOnSharedPreferenceChangeListener(this);
+        }
+    }
+
+    @OnLifecycleEvent(Lifecycle.Event.ON_STOP)
+    public void onStop() {
+        if (mSharedPreferences != null) {
+            mSharedPreferences.unregisterOnSharedPreferenceChangeListener(this);
+        }
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return Flags.enableAutoclickIndicator() ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(
+            SharedPreferences sharedPreferences, @Nullable String key) {
+        // TODO(b/383901288): Update slider.
+    }
+
+    @Override
+    public boolean setSliderPosition(int position) {
+        // TODO(b/383901288): Update settings.
+        return true;
+    }
+
+    @Override
+    public int getSliderPosition() {
+        // TODO(b/383901288): retrieve from settings and fallback to default.
+        return DEFAULT_SIZE;
+    }
+
+    @Override
+    public int getMax() {
+        return MAX_SIZE;
+    }
+
+    @Override
+    public int getMin() {
+        return MIN_SIZE;
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/accessibility/ToggleAutoclickCursorAreaSizeControllerTest.java b/tests/robotests/src/com/android/settings/accessibility/ToggleAutoclickCursorAreaSizeControllerTest.java
new file mode 100644
index 00000000000..b2c5f06263d
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/accessibility/ToggleAutoclickCursorAreaSizeControllerTest.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2025 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.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.mock;
+import static org.mockito.kotlin.VerificationKt.verify;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.platform.test.annotations.DisableFlags;
+import android.platform.test.annotations.EnableFlags;
+import android.platform.test.flag.junit.SetFlagsRule;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.core.BasePreferenceController;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link ToggleAutoclickCursorAreaSizeController}. */
+@RunWith(RobolectricTestRunner.class)
+public class ToggleAutoclickCursorAreaSizeControllerTest {
+
+    private static final String PREFERENCE_KEY = "accessibility_control_autoclick_cursor_area_size";
+    private static final String PACKAGE = "package";
+
+    @Rule public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+    @Rule public final MockitoRule mMockitoRule = MockitoJUnit.rule();
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private ToggleAutoclickCursorAreaSizeController mController;
+
+    @Before
+    public void setUp() {
+        mController = new ToggleAutoclickCursorAreaSizeController(mContext, PREFERENCE_KEY);
+    }
+
+    @Test
+    @EnableFlags(com.android.server.accessibility.Flags.FLAG_ENABLE_AUTOCLICK_INDICATOR)
+    public void getAvailabilityStatus_availableWhenFlagOn() {
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    @DisableFlags(com.android.server.accessibility.Flags.FLAG_ENABLE_AUTOCLICK_INDICATOR)
+    public void getAvailabilityStatus_conditionallyUnavailableWhenFlagOn() {
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void onStart_registerOnSharedPreferenceChangeListener() {
+        final SharedPreferences prefs = mock(SharedPreferences.class);
+        final Context context = mock(Context.class);
+        doReturn(PACKAGE).when(context).getPackageName();
+        doReturn(prefs).when(context).getSharedPreferences(anyString(), anyInt());
+        final ToggleAutoclickCursorAreaSizeController controller =
+                new ToggleAutoclickCursorAreaSizeController(context, PREFERENCE_KEY);
+
+        controller.onStart();
+
+        verify(prefs).registerOnSharedPreferenceChangeListener(controller);
+    }
+
+    @Test
+    public void onStop_unregisterOnSharedPreferenceChangeListener() {
+        final SharedPreferences prefs = mock(SharedPreferences.class);
+        final Context context = mock(Context.class);
+        doReturn(PACKAGE).when(context).getPackageName();
+        doReturn(prefs).when(context).getSharedPreferences(anyString(), anyInt());
+        final ToggleAutoclickCursorAreaSizeController controller =
+                new ToggleAutoclickCursorAreaSizeController(context, PREFERENCE_KEY);
+
+        controller.onStop();
+
+        verify(prefs).unregisterOnSharedPreferenceChangeListener(controller);
+    }
+}