[Physical Keyboard][A11y Page] Add new Keyboard A11y page

Add new Keyboard A11y page, and controled with flag.
Demo video: b/345399212#comment6

Bug: 345399212
Test: atest SettingsRoboTests
Flag: com.android.settings.keyboard.keyboard_and_touchpad_a11y_new_page_enabled
Change-Id: I4bd45ff16c8abb33e1cf56c377ea86c20195fe26

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

@@ -0,0 +1,75 @@
+/*
+ * 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 android.net.Uri;
+import android.provider.Settings;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.LifecycleObserver;
+
+import com.android.settings.R;
+
+public class KeyboardAccessibilityBounceKeysController extends
+        KeyboardAccessibilityController implements
+        LifecycleObserver {
+    public static final int BOUNCE_KEYS_THRESHOLD = 500;
+
+    public KeyboardAccessibilityBounceKeysController(@NonNull Context context,
+            @NonNull String key) {
+        super(context, key);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return (super.getAvailabilityStatus() == AVAILABLE)
+                && InputSettings.isAccessibilityBounceKeysFeatureEnabled() ? AVAILABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return InputSettings.isAccessibilityBounceKeysEnabled(mContext);
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        InputSettings.setAccessibilityBounceKeysThreshold(mContext,
+                isChecked ? BOUNCE_KEYS_THRESHOLD : 0);
+        return true;
+    }
+
+    @NonNull
+    @Override
+    public CharSequence getSummary() {
+        return mContext.getString(R.string.bounce_keys_summary, BOUNCE_KEYS_THRESHOLD);
+    }
+
+    @Override
+    protected void updateKeyboardAccessibilitySettings() {
+        setChecked(
+                InputSettings.isAccessibilityBounceKeysEnabled(mContext));
+    }
+
+    @Override
+    protected Uri getSettingUri() {
+        return Settings.Secure.getUriFor(
+                Settings.Secure.ACCESSIBILITY_BOUNCE_KEYS);
+    }
+}

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

@@ -0,0 +1,103 @@
+/*
+ * 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 androidx.lifecycle.Lifecycle.Event.ON_PAUSE;
+import static androidx.lifecycle.Lifecycle.Event.ON_RESUME;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Handler;
+import android.os.UserHandle;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.LifecycleObserver;
+import androidx.lifecycle.OnLifecycleEvent;
+import androidx.preference.Preference;
+
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settings.keyboard.Flags;
+
+/**
+ * Abstract class for toggle controllers of Keyboard accessibility related function.
+ */
+public abstract class KeyboardAccessibilityController extends TogglePreferenceController implements
+        LifecycleObserver {
+    private final ContentResolver mContentResolver;
+    private final ContentObserver mContentObserver = new ContentObserver(new Handler(true)) {
+        @Override
+        public void onChange(boolean selfChange, Uri uri) {
+            if (getSettingUri().equals(uri)) {
+                updateKeyboardAccessibilitySettings();
+            }
+        }
+    };
+
+    protected abstract void updateKeyboardAccessibilitySettings();
+
+    protected abstract Uri getSettingUri();
+
+    public KeyboardAccessibilityController(@NonNull Context context,
+            @NonNull String preferenceKey) {
+        super(context, preferenceKey);
+        mContentResolver = context.getContentResolver();
+    }
+
+    @Override
+    public void updateState(@NonNull Preference preference) {
+        super.updateState(preference);
+        refreshSummary(preference);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return Flags.keyboardAndTouchpadA11yNewPageEnabled() ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public int getSliceHighlightMenuRes() {
+        return 0;
+    }
+
+    /** Invoked when the panel is resumed. */
+    @OnLifecycleEvent(ON_RESUME)
+    public void onResume() {
+        registerSettingsObserver();
+    }
+
+    /** Invoked when the panel is paused. */
+    @OnLifecycleEvent(ON_PAUSE)
+    public void onPause() {
+        unregisterSettingsObserver();
+    }
+
+    private void registerSettingsObserver() {
+        unregisterSettingsObserver();
+        mContentResolver.registerContentObserver(
+                getSettingUri(),
+                false,
+                mContentObserver,
+                UserHandle.myUserId());
+        updateKeyboardAccessibilitySettings();
+    }
+
+    private void unregisterSettingsObserver() {
+        mContentResolver.unregisterContentObserver(mContentObserver);
+    }
+}

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

@@ -0,0 +1,64 @@
+/*
+ * 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 android.net.Uri;
+import android.provider.Settings;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.LifecycleObserver;
+
+public class KeyboardAccessibilityMouseKeysController extends
+        KeyboardAccessibilityController implements
+        LifecycleObserver {
+    public KeyboardAccessibilityMouseKeysController(@NonNull Context context, @NonNull String key) {
+        super(context, key);
+    }
+
+    @Override
+    public boolean isChecked() {
+        return InputSettings.isAccessibilityMouseKeysEnabled(mContext);
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        InputSettings.setAccessibilityMouseKeysEnabled(mContext,
+                isChecked);
+        return true;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return (super.getAvailabilityStatus() == AVAILABLE)
+                && InputSettings.isAccessibilityMouseKeysFeatureFlagEnabled() ? AVAILABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    protected void updateKeyboardAccessibilitySettings() {
+        setChecked(
+                InputSettings.isAccessibilityMouseKeysEnabled(mContext));
+    }
+
+    @Override
+    protected Uri getSettingUri() {
+        return Settings.Secure.getUriFor(
+                Settings.Secure.ACCESSIBILITY_MOUSE_KEYS_ENABLED);
+    }
+}

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

@@ -0,0 +1,74 @@
+/*
+ * 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 android.net.Uri;
+import android.provider.Settings;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.LifecycleObserver;
+
+import com.android.settings.R;
+
+public class KeyboardAccessibilitySlowKeysController extends
+        KeyboardAccessibilityController implements
+        LifecycleObserver {
+    public static final int SLOW_KEYS_THRESHOLD = 500;
+
+    public KeyboardAccessibilitySlowKeysController(@NonNull Context context, @NonNull String key) {
+        super(context, key);
+    }
+
+    @Override
+    public boolean isChecked() {
+        return InputSettings.isAccessibilitySlowKeysEnabled(mContext);
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        InputSettings.setAccessibilitySlowKeysThreshold(mContext,
+                isChecked ? SLOW_KEYS_THRESHOLD : 0);
+        return true;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return (super.getAvailabilityStatus() == AVAILABLE)
+                && InputSettings.isAccessibilitySlowKeysFeatureFlagEnabled() ? AVAILABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @NonNull
+    @Override
+    public CharSequence getSummary() {
+        return mContext.getString(R.string.slow_keys_summary, SLOW_KEYS_THRESHOLD);
+    }
+
+    @Override
+    protected void updateKeyboardAccessibilitySettings() {
+        setChecked(
+                InputSettings.isAccessibilitySlowKeysEnabled(mContext));
+    }
+
+    @Override
+    protected Uri getSettingUri() {
+        return Settings.Secure.getUriFor(
+                Settings.Secure.ACCESSIBILITY_SLOW_KEYS);
+    }
+}

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

@@ -0,0 +1,65 @@
+/*
+ * 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 android.net.Uri;
+import android.provider.Settings;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.LifecycleObserver;
+
+public class KeyboardAccessibilityStickyKeysController extends
+        KeyboardAccessibilityController implements
+        LifecycleObserver {
+    public KeyboardAccessibilityStickyKeysController(@NonNull Context context,
+            @NonNull String key) {
+        super(context, key);
+    }
+
+    @Override
+    public boolean isChecked() {
+        return InputSettings.isAccessibilityStickyKeysEnabled(mContext);
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        InputSettings.setAccessibilityStickyKeysEnabled(mContext,
+                isChecked);
+        return true;
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return (super.getAvailabilityStatus() == AVAILABLE)
+                && InputSettings.isAccessibilitySlowKeysFeatureFlagEnabled() ? AVAILABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    protected void updateKeyboardAccessibilitySettings() {
+        setChecked(
+                InputSettings.isAccessibilityStickyKeysEnabled(mContext));
+    }
+
+    @Override
+    protected Uri getSettingUri() {
+        return Settings.Secure.getUriFor(
+                Settings.Secure.ACCESSIBILITY_STICKY_KEYS);
+    }
+}

src/com/android/settings/inputmethod/PhysicalKeyboardA11yFragment.java

@@ -0,0 +1,113 @@
+/*
+ * 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.android.settings.inputmethod.PhysicalKeyboardFragment.getHardKeyboards;
+
+import android.app.settings.SettingsEnums;
+import android.content.Context;
+import android.hardware.input.InputManager;
+
+import androidx.annotation.NonNull;
+
+import com.android.internal.util.Preconditions;
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.keyboard.Flags;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
+import com.android.settingslib.utils.ThreadUtils;
+
+import java.util.List;
+
+@SearchIndexable
+public class PhysicalKeyboardA11yFragment extends DashboardFragment
+        implements InputManager.InputDeviceListener {
+    private static final String TAG = "KeyboardAndTouchA11yFragment";
+
+    private InputManager mInputManager;
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.PHYSICAL_KEYBOARD_A11Y;
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+        mInputManager = Preconditions.checkNotNull(getActivity()
+                .getSystemService(InputManager.class));
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        finishEarlyIfNeeded();
+        mInputManager.registerInputDeviceListener(this, null);
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        mInputManager.unregisterInputDeviceListener(this);
+    }
+
+    private void finishEarlyIfNeeded() {
+        final Context context = getContext();
+        ThreadUtils.postOnBackgroundThread(() -> {
+            final List<PhysicalKeyboardFragment.HardKeyboardDeviceInfo> newHardKeyboards =
+                    getHardKeyboards(context);
+            if (newHardKeyboards.isEmpty()) {
+                getActivity().finish();
+            }
+        });
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.physical_keyboard_a11y_settings;
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.physical_keyboard_a11y_settings) {
+                @Override
+                protected boolean isPageSearchEnabled(Context context) {
+                    return Flags.keyboardAndTouchpadA11yNewPageEnabled()
+                            && !getHardKeyboards(context).isEmpty();
+                }
+            };
+
+    @Override
+    public void onInputDeviceAdded(int deviceId) {
+        finishEarlyIfNeeded();
+    }
+
+    @Override
+    public void onInputDeviceRemoved(int deviceId) {
+        finishEarlyIfNeeded();
+    }
+
+    @Override
+    public void onInputDeviceChanged(int deviceId) {
+        finishEarlyIfNeeded();
+    }
+}

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

@@ -50,6 +50,7 @@ import com.android.settings.R;
 import com.android.settings.Settings;
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.core.SubSettingLauncher;
+import com.android.settings.keyboard.Flags;
 import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settingslib.search.SearchIndexable;
@@ -74,6 +75,7 @@ public final class PhysicalKeyboardFragment extends SettingsPreferenceFragment
     private static final String ACCESSIBILITY_SLOW_KEYS = "accessibility_slow_keys";
     private static final String ACCESSIBILITY_STICKY_KEYS = "accessibility_sticky_keys";
     private static final String ACCESSIBILITY_MOUSE_KEYS = "accessibility_mouse_keys";
+    private static final String ACCESSIBILITY_PHYSICAL_KEYBOARD_A11Y = "physical_keyboard_a11y";
     private static final String KEYBOARD_SHORTCUTS_HELPER = "keyboard_shortcuts_helper";
     private static final String MODIFIER_KEYS_SETTINGS = "modifier_keys_settings";
     private static final String EXTRA_AUTO_SELECTION = "auto_selection";
@@ -154,21 +156,34 @@ public final class PhysicalKeyboardFragment extends SettingsPreferenceFragment
         }
         boolean isModifierKeySettingsEnabled = FeatureFlagUtils
                 .isEnabled(getContext(), FeatureFlagUtils.SETTINGS_NEW_KEYBOARD_MODIFIER_KEY);
+        boolean isKeyboardAndTouchpadA11yNewPageEnabled =
+                Flags.keyboardAndTouchpadA11yNewPageEnabled();
         if (!isModifierKeySettingsEnabled) {
             mKeyboardAssistanceCategory.removePreference(findPreference(MODIFIER_KEYS_SETTINGS));
         }
-        if (!InputSettings.isAccessibilityBounceKeysFeatureEnabled()) {
+        if (!isKeyboardAndTouchpadA11yNewPageEnabled) {
+            mKeyboardAssistanceCategory.removePreference(
+                    findPreference(ACCESSIBILITY_PHYSICAL_KEYBOARD_A11Y));
+        }
+        if (!InputSettings.isAccessibilityBounceKeysFeatureEnabled()
+                || isKeyboardAndTouchpadA11yNewPageEnabled) {
             mKeyboardA11yCategory.removePreference(mAccessibilityBounceKeys);
         }
-        if (!InputSettings.isAccessibilitySlowKeysFeatureFlagEnabled()) {
+        if (!InputSettings.isAccessibilitySlowKeysFeatureFlagEnabled()
+                || isKeyboardAndTouchpadA11yNewPageEnabled) {
             mKeyboardA11yCategory.removePreference(mAccessibilitySlowKeys);
         }
-        if (!InputSettings.isAccessibilityStickyKeysFeatureEnabled()) {
+        if (!InputSettings.isAccessibilityStickyKeysFeatureEnabled()
+                || isKeyboardAndTouchpadA11yNewPageEnabled) {
             mKeyboardA11yCategory.removePreference(mAccessibilityStickyKeys);
         }
-        if (!InputSettings.isAccessibilityMouseKeysFeatureFlagEnabled()) {
+        if (!InputSettings.isAccessibilityMouseKeysFeatureFlagEnabled()
+                || isKeyboardAndTouchpadA11yNewPageEnabled) {
             mKeyboardA11yCategory.removePreference(mAccessibilityMouseKeys);
         }
+        if (isKeyboardAndTouchpadA11yNewPageEnabled) {
+            mKeyboardA11yCategory.setVisible(false);
+        }
         InputDeviceIdentifier inputDeviceIdentifier = activity.getIntent().getParcelableExtra(
                 KeyboardLayoutPickerFragment.EXTRA_INPUT_DEVICE_IDENTIFIER,
                 InputDeviceIdentifier.class);