Add a cursor preference to Accessibility Settings

Bug: 240194047

Test: atest SoftwareCursorPreferencesControllerTest and
SoftwareCursorTogglerPreferenceControllerTest

Change-Id: I97e226d8d8c0bcdfd0e2612e86b81987480063d1

src/com/android/settings/accessibility/CursorPreferenceFragment.java

@@ -0,0 +1,49 @@
+/*
+ * 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 android.app.settings.SettingsEnums;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
+
+/** Settings fragment containing software cursor preferences. */
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
+public final class CursorPreferenceFragment extends DashboardFragment {
+
+    private static final String TAG = "CursorPreferenceFragment";
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.accessibility_cursor_settings;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.ACCESSIBILITY_TOGGLE_SOFTWARE_CURSOR;
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.accessibility_cursor_settings);
+}

src/com/android/settings/accessibility/SoftwareCursorPreferenceController.java

@@ -0,0 +1,40 @@
+/*
+ * 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 android.content.Context;
+import android.util.FeatureFlagUtils;
+
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * Preference controller for the software cursor feature.
+ */
+public class SoftwareCursorPreferenceController extends BasePreferenceController {
+
+    public SoftwareCursorPreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        // Hide the Software Cursor preference if the feature flag is not enabled.
+        return FeatureFlagUtils.isEnabled(mContext,
+                FeatureFlagUtils.SETTINGS_ACCESSIBILITY_SIMPLE_CURSOR) ? AVAILABLE
+                : CONDITIONALLY_UNAVAILABLE;
+    }
+}

src/com/android/settings/accessibility/SoftwareCursorTogglePreferenceController.java

@@ -0,0 +1,83 @@
+/*
+ * 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 android.content.ContentResolver;
+import android.content.Context;
+import android.provider.Settings;
+import android.widget.Switch;
+
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settings.widget.SettingsMainSwitchPreference;
+import com.android.settingslib.widget.OnMainSwitchChangeListener;
+
+/** Preference controller for toggling software cursor. */
+public class SoftwareCursorTogglePreferenceController extends TogglePreferenceController
+        implements OnMainSwitchChangeListener {
+
+    private final ContentResolver mContentResolver;
+
+    public SoftwareCursorTogglePreferenceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mContentResolver = context.getContentResolver();
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return Settings.Secure.getInt(mContentResolver,
+                Settings.Secure.ACCESSIBILITY_SOFTWARE_CURSOR_ENABLED, OFF) == ON;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        Settings.Secure.putInt(mContentResolver,
+                Settings.Secure.ACCESSIBILITY_SOFTWARE_CURSOR_ENABLED, isChecked ? ON : OFF);
+        return true;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+
+        SettingsMainSwitchPreference preference = screen.findPreference(getPreferenceKey());
+        preference.addOnSwitchChangeListener(this);
+        preference.setChecked(isChecked());
+    }
+
+    @Override
+    public int getSliceHighlightMenuRes() {
+        return R.string.menu_key_accessibility;
+    }
+
+    @Override
+    public void onSwitchChanged(Switch switchView, boolean isChecked) {
+        if (isChecked != isChecked()) {
+            setChecked(isChecked);
+        }
+    }
+}