Map pointer speed slider on mouse page to control mouse speed

Currently, the pointer slider on the mouse settings page is actually
controlling touchpad pointer speed. Modify this to instead control the
mouse pointer speed.

Bug: 398034722
Test: Manually on device
Flag: com.android.settings.keyboard.keyboard_and_touchpad_a11y_new_page_enabled
Change-Id: I66cec4ef0a758e250bab89c194073eb408402431

res/xml/mouse_settings.xml

@@ -28,11 +28,11 @@
         settings:controller="com.android.settings.inputmethod.MousePointerAccelerationPreferenceController" />
 
     <com.android.settings.widget.SeekBarPreference
-        android:key="trackpad_pointer_speed"
-        android:title="@string/trackpad_pointer_speed"
+        android:key="pointer_speed"
+        android:title="@string/pointer_speed"
         android:order="20"
         android:selectable="false"
-        settings:controller="com.android.settings.inputmethod.TouchpadPointerSpeedPreferenceController"/>
+        settings:controller="com.android.settings.inputmethod.MousePointerSpeedPreferenceController"/>
 
     <SwitchPreferenceCompat
         android:key="mouse_swap_primary_button"

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

@@ -0,0 +1,80 @@
+/*
+ * 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.inputmethod;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.hardware.input.InputSettings;
+
+import androidx.annotation.NonNull;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.core.SliderPreferenceController;
+import com.android.settings.overlay.FeatureFactory;
+import com.android.settings.widget.SeekBarPreference;
+import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
+
+public class MousePointerSpeedPreferenceController extends SliderPreferenceController {
+
+    private final MetricsFeatureProvider mMetricsFeatureProvider;
+
+    public MousePointerSpeedPreferenceController(@NonNull Context context, @NonNull String key) {
+        super(context, key);
+        mMetricsFeatureProvider = FeatureFactory.getFeatureFactory().getMetricsFeatureProvider();
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        SeekBarPreference preference = screen.findPreference(getPreferenceKey());
+        preference.setMax(getMax());
+        preference.setMin(getMin());
+        preference.setProgress(getSliderPosition());
+        updateState(preference);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public boolean setSliderPosition(int position) {
+        if (position < getMin() || position > getMax()) {
+            return false;
+        }
+        InputSettings.setPointerSpeed(mContext, position);
+        mMetricsFeatureProvider.action(
+                mContext, SettingsEnums.ACTION_GESTURE_POINTER_SPEED_CHANGED, position);
+        return true;
+    }
+
+    @Override
+    public int getSliderPosition() {
+        return InputSettings.getPointerSpeed(mContext);
+    }
+
+    @Override
+    public int getMin() {
+        return InputSettings.MIN_POINTER_SPEED;
+    }
+
+    @Override
+    public int getMax() {
+        return InputSettings.MAX_POINTER_SPEED;
+    }
+}

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

@@ -0,0 +1,106 @@
+/*
+ * 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.inputmethod;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.verify;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.hardware.input.InputSettings;
+import android.os.UserHandle;
+import android.provider.Settings;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.FakeFeatureFactory;
+
+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;
+import org.robolectric.annotation.Config;
+
+/** Tests for {@link MousePointerSpeedPreferenceController} */
+@RunWith(RobolectricTestRunner.class)
+@Config(shadows = {
+        com.android.settings.testutils.shadow.ShadowSystemSettings.class,
+})
+public class MousePointerSpeedPreferenceControllerTest {
+    @Rule
+    public MockitoRule rule = MockitoJUnit.rule();
+
+    private static final String PREFERENCE_KEY = "pointer_speed";
+    private static final String SETTING_KEY = Settings.System.POINTER_SPEED;
+
+    private MousePointerSpeedPreferenceController mController;
+    private int mDefaultSpeed;
+    private FakeFeatureFactory mFeatureFactory;
+
+    @Before
+    public void setUp() {
+        Context context = ApplicationProvider.getApplicationContext();
+        mFeatureFactory = FakeFeatureFactory.setupForTest();
+        mController = new MousePointerSpeedPreferenceController(context, PREFERENCE_KEY);
+        mDefaultSpeed = Settings.System.getIntForUser(
+                context.getContentResolver(),
+                SETTING_KEY,
+                InputSettings.DEFAULT_POINTER_SPEED,
+                UserHandle.USER_CURRENT);
+    }
+
+    @Test
+    public void setSliderPosition_speedValue1_shouldReturnTrue() {
+        int inputSpeed = 1;
+
+        boolean result = mController.setSliderPosition(inputSpeed);
+
+        assertThat(result).isTrue();
+        assertThat(mController.getSliderPosition()).isEqualTo(inputSpeed);
+        verify(mFeatureFactory.metricsFeatureProvider).action(
+                any(),
+                eq(SettingsEnums.ACTION_GESTURE_POINTER_SPEED_CHANGED),
+                eq(1));
+    }
+
+    @Test
+    public void setSliderPosition_speedValueOverMaxValue_shouldReturnFalse() {
+        int inputSpeed = InputSettings.MAX_POINTER_SPEED + 1;
+
+        boolean result = mController.setSliderPosition(inputSpeed);
+
+        assertThat(result).isFalse();
+        assertThat(mController.getSliderPosition()).isEqualTo(mDefaultSpeed);
+    }
+
+    @Test
+    public void setSliderPosition_speedValueOverMinValue_shouldReturnFalse() {
+        int inputSpeed = InputSettings.MIN_POINTER_SPEED - 1;
+
+        boolean result = mController.setSliderPosition(inputSpeed);
+
+        assertThat(result).isFalse();
+        assertThat(mController.getSliderPosition()).isEqualTo(mDefaultSpeed);
+    }
+}