Add a cursor preference to Accessibility Settings

Bug: 240194047

Test: atest SoftwareCursorPreferencesControllerTest and
SoftwareCursorTogglerPreferenceControllerTest

Change-Id: I97e226d8d8c0bcdfd0e2612e86b81987480063d1

tests/unit/src/com/android/settings/accessibility/SoftwareCursorPreferenceControllerTest.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2022 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.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.util.FeatureFlagUtils;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+public class SoftwareCursorPreferenceControllerTest {
+
+    private SoftwareCursorPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        mController = new SoftwareCursorPreferenceController(
+                ApplicationProvider.getApplicationContext(), "test_key");
+    }
+
+    @Test
+    public void getAvailabilityStatus_featureFlagEnabled_shouldReturnAvailable() {
+        FeatureFlagUtils.setEnabled(ApplicationProvider.getApplicationContext(),
+                FeatureFlagUtils.SETTINGS_ACCESSIBILITY_SIMPLE_CURSOR, /* enabled= */ true);
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_featureFlagDisabled_shouldReturnUnavailable() {
+        FeatureFlagUtils.setEnabled(ApplicationProvider.getApplicationContext(),
+                FeatureFlagUtils.SETTINGS_ACCESSIBILITY_SIMPLE_CURSOR, /* enabled= */ false);
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+}

tests/unit/src/com/android/settings/accessibility/SoftwareCursorTogglePreferenceControllerTest.java

@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2022 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.android.settings.accessibility.AccessibilityUtil.State.OFF;
+import static com.android.settings.accessibility.AccessibilityUtil.State.ON;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.os.Looper;
+import android.provider.Settings;
+
+import androidx.preference.PreferenceManager;
+import androidx.preference.PreferenceScreen;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.widget.SettingsMainSwitchPreference;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/** Tests for {@link SoftwareCursorTogglePreferenceController}. */
+@RunWith(AndroidJUnit4.class)
+public class SoftwareCursorTogglePreferenceControllerTest {
+
+    private PreferenceScreen mScreen;
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+    private SoftwareCursorTogglePreferenceController mController;
+    private SettingsMainSwitchPreference mSwitchPreference;
+
+    @Before
+    public void setUp() {
+        if (Looper.myLooper() == null) {
+            Looper.prepare();
+        }
+        mController = new SoftwareCursorTogglePreferenceController(mContext,
+                "screen_software_cursor_preference_switch");
+        mSwitchPreference = new SettingsMainSwitchPreference(mContext);
+        mSwitchPreference.setKey(mController.getPreferenceKey());
+        PreferenceManager preferenceManager = new PreferenceManager(mContext);
+        mScreen = preferenceManager.createPreferenceScreen(mContext);
+        mScreen.addPreference(mSwitchPreference);
+    }
+
+    @After
+    public void tearDown() {
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SOFTWARE_CURSOR_ENABLED, OFF);
+    }
+
+    @Test
+    public void getAvailabilityStatus_shouldReturnAvailable() {
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void performClick_cursorEnabled_shouldSetCursorDisabled() {
+        mController.setChecked(true);
+        mController.displayPreference(mScreen);
+
+        mSwitchPreference.performClick();
+
+        assertThat(mSwitchPreference.isChecked()).isFalse();
+        assertThat(isSoftwareCursorEnabled()).isFalse();
+    }
+
+    @Test
+    public void performClick_cursorDisabled_shouldSetCursorEnabled() {
+        mController.setChecked(false);
+        mController.displayPreference(mScreen);
+
+        mSwitchPreference.performClick();
+
+        assertThat(mSwitchPreference.isChecked()).isTrue();
+        assertThat(isSoftwareCursorEnabled()).isTrue();
+    }
+
+    @Test
+    public void setChecked_switchChecked_shouldSetCursorEnabled() {
+        mController.displayPreference(mScreen);
+
+        mController.setChecked(/* isChecked= */ true);
+
+        assertThat(isSoftwareCursorEnabled()).isTrue();
+    }
+
+    @Test
+    public void setChecked_switchUnchecked_shouldSetCursorDisabled() {
+        mController.displayPreference(mScreen);
+
+        mController.setChecked(/* isChecked= */ false);
+
+        assertThat(isSoftwareCursorEnabled()).isFalse();
+    }
+
+    @Test
+    public void onSwitchChanged_switchChecked_shouldSetCursorEnabled() {
+        mController.displayPreference(mScreen);
+
+        mController.onSwitchChanged(/* switchView= */ null, /* isChecked= */ true);
+
+        assertThat(isSoftwareCursorEnabled()).isTrue();
+    }
+
+    @Test
+    public void onSwitchChanged_switchUnchecked_shouldSetCursorDisabled() {
+        mController.displayPreference(mScreen);
+
+        mController.onSwitchChanged(/* switchView= */ null, /* isChecked= */ false);
+
+
+        assertThat(isSoftwareCursorEnabled()).isFalse();
+    }
+
+    private boolean isSoftwareCursorEnabled() {
+        return Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SOFTWARE_CURSOR_ENABLED, OFF) == ON;
+    }
+}