Add preference toggle for mouse pointer acceleration setting

Bug: 384552392
Test: verified on DUT
Flag: com.android.hardware.input.pointer_acceleration
Change-Id: I45de5bdd2456cfb4fab6d1398bdc5d8f7b9efddb

res/values/strings.xml

@@ -4648,6 +4648,10 @@
     <string name="mouse_swap_primary_button">Swap left and right buttons</string>
     <!-- Summary text for the 'Swap buttons' preference switch indicating to users that when this switch is enabled, their left click will behave as though it is the right click (secondary action) and that the right click will be the primary action. [CHAR LIMIT=NONE] -->
     <string name="mouse_swap_primary_button_summary">Use the left mouse button as your right</string>
+    <!-- Title for the 'Cursor acceleration' preference switch, which dynamically adjusts cursor movement based on speed. [CHAR LIMIT=60] -->
+    <string name="mouse_pointer_acceleration">Cursor acceleration</string>
+    <!-- Summary text for the 'Cursor acceleration' preference switch indicating to users that when this switch is enabled, faster movements with your mouse will move the cursor farther. [CHAR LIMIT=NONE] -->
+    <string name="mouse_pointer_acceleration_summary">Faster movements with your mouse will move the cursor farther</string>
     <!-- page title for Mouse key main page. [CHAR LIMIT=NONE] -->
     <string name="mouse_key_main_page_title">Mouse keys for <xliff:g id="keyboard name" example="my keyboard">%s</xliff:g></string>
     <!-- Summary text for Mouse keys directional image. [CHAR LIMIT=NONE] -->

res/xml/mouse_settings.xml

@@ -31,4 +31,10 @@
         android:title="@string/mouse_swap_primary_button"
         android:summary="@string/mouse_swap_primary_button_summary"
         settings:controller="com.android.settings.inputmethod.MouseSwapPrimaryButtonPreferenceController" />
+
+    <SwitchPreferenceCompat
+        android:key="mouse_pointer_acceleration"
+        android:title="@string/mouse_pointer_acceleration"
+        android:summary="@string/mouse_pointer_acceleration_summary"
+        settings:controller="com.android.settings.inputmethod.MousePointerAccelerationPreferenceController" />
 </PreferenceScreen>

src/com/android/settings/inputmethod/MousePointerAccelerationPreferenceController.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 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.inputmethod;
+
+import android.content.Context;
+import android.hardware.input.InputSettings;
+
+import androidx.annotation.NonNull;
+
+import com.android.settings.R;
+import com.android.settings.core.TogglePreferenceController;
+
+public class MousePointerAccelerationPreferenceController extends TogglePreferenceController {
+
+    public MousePointerAccelerationPreferenceController(
+            @NonNull Context context, @NonNull String key) {
+        super(context, key);
+    }
+
+    @Override
+    public boolean isChecked() {
+        return InputSettings.isMousePointerAccelerationEnabled(mContext);
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        InputSettings.setMouseAccelerationEnabled(mContext, isChecked);
+        return true;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        if (!InputSettings.isPointerAccelerationFeatureFlagEnabled()) {
+            return UNSUPPORTED_ON_DEVICE;
+        }
+        return AVAILABLE;
+    }
+
+    @Override
+    public int getSliceHighlightMenuRes() {
+        return R.string.menu_key_system;
+    }
+}

tests/robotests/src/com/android/settings/inputmethod/MousePointerAccelerationPreferenceControllerTest.java

@@ -0,0 +1,122 @@
+/*
+ * Copyright 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.inputmethod;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.hardware.input.InputSettings;
+import android.os.UserHandle;
+import android.platform.test.annotations.DisableFlags;
+import android.platform.test.annotations.EnableFlags;
+import android.platform.test.flag.junit.SetFlagsRule;
+import android.provider.Settings;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.hardware.input.Flags;
+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.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+/** Tests for {@link MousePointerAccelerationPreferenceController} */
+@RunWith(RobolectricTestRunner.class)
+@Config(shadows = {
+        com.android.settings.testutils.shadow.ShadowSystemSettings.class,
+})
+public class MousePointerAccelerationPreferenceControllerTest {
+    @Rule
+    public final SetFlagsRule mSetFlagsRule = new SetFlagsRule();
+
+    private static final String PREFERENCE_KEY = "mouse_pointer_acceleration";
+    private static final String SETTING_KEY = Settings.System.MOUSE_POINTER_ACCELERATION_ENABLED;
+
+    private Context mContext;
+    private MousePointerAccelerationPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mController = new MousePointerAccelerationPreferenceController(
+                mContext, PREFERENCE_KEY);
+    }
+
+    @Test
+    @EnableFlags(Flags.FLAG_POINTER_ACCELERATION)
+    public void getAvailabilityStatus_expected() {
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    @DisableFlags(Flags.FLAG_POINTER_ACCELERATION)
+    public void getAvailabilityStatus_flagIsDisabled_notSupport() {
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    @EnableFlags(Flags.FLAG_POINTER_ACCELERATION)
+    public void setChecked_true_shouldReturnTrue() {
+        mController.setChecked(true);
+
+        boolean isEnabled = InputSettings.isMousePointerAccelerationEnabled(mContext);
+        assertThat(isEnabled).isTrue();
+    }
+
+    @Test
+    @EnableFlags(Flags.FLAG_POINTER_ACCELERATION)
+    public void setChecked_false_shouldReturnFalse() {
+        mController.setChecked(false);
+
+        boolean isEnabled = InputSettings.isMousePointerAccelerationEnabled(mContext);
+        assertThat(isEnabled).isFalse();
+    }
+
+    @Test
+    @EnableFlags(Flags.FLAG_POINTER_ACCELERATION)
+    public void isChecked_providerPutInt1_returnTrue() {
+        Settings.System.putIntForUser(
+                mContext.getContentResolver(),
+                SETTING_KEY,
+                1,
+                UserHandle.USER_CURRENT);
+
+        boolean result = mController.isChecked();
+
+        assertThat(result).isTrue();
+    }
+
+    @Test
+    @EnableFlags(Flags.FLAG_POINTER_ACCELERATION)
+    public void isChecked_providerPutInt0_returnFalse() {
+        Settings.System.putIntForUser(
+                mContext.getContentResolver(),
+                SETTING_KEY,
+                0,
+                UserHandle.USER_CURRENT);
+
+        boolean result = mController.isChecked();
+
+        assertThat(result).isFalse();
+    }
+}