| /* |
| * Copyright (C) 2021 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.ContentResolver; |
| import android.content.Context; |
| import android.database.ContentObserver; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.provider.Settings; |
| import android.util.ArrayMap; |
| |
| import androidx.annotation.IntDef; |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.ListPreference; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.R; |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnPause; |
| import com.android.settingslib.core.lifecycle.events.OnResume; |
| |
| import com.google.common.primitives.Ints; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** Preference controller that controls the preferred size in accessibility button page. */ |
| public class FloatingMenuSizePreferenceController extends BasePreferenceController |
| implements Preference.OnPreferenceChangeListener, LifecycleObserver, OnResume, OnPause { |
| |
| private final ContentResolver mContentResolver; |
| @VisibleForTesting |
| final ContentObserver mContentObserver; |
| |
| @VisibleForTesting |
| ListPreference mPreference; |
| |
| private final ArrayMap<String, String> mValueTitleMap = new ArrayMap<>(); |
| private int mDefaultSize; |
| |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({ |
| Size.SMALL, |
| Size.LARGE, |
| }) |
| @VisibleForTesting |
| @interface Size { |
| int SMALL = 0; |
| int LARGE = 1; |
| } |
| |
| public FloatingMenuSizePreferenceController(Context context, String preferenceKey) { |
| super(context, preferenceKey); |
| mContentResolver = context.getContentResolver(); |
| mContentObserver = new ContentObserver(new Handler(Looper.getMainLooper())) { |
| @Override |
| public void onChange(boolean selfChange) { |
| updateAvailabilityStatus(); |
| } |
| }; |
| |
| initValueTitleMap(); |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| return AccessibilityUtil.isFloatingMenuEnabled(mContext) |
| ? AVAILABLE : DISABLED_DEPENDENT_SETTING; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| |
| mPreference = screen.findPreference(getPreferenceKey()); |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| final ListPreference listPreference = (ListPreference) preference; |
| final Integer value = Ints.tryParse((String) newValue); |
| if (value != null) { |
| putAccessibilityFloatingMenuSize(value); |
| updateState(listPreference); |
| } |
| return true; |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| final ListPreference listPreference = (ListPreference) preference; |
| |
| listPreference.setValue(String.valueOf(getAccessibilityFloatingMenuSize(mDefaultSize))); |
| } |
| |
| @Override |
| public void onResume() { |
| mContentResolver.registerContentObserver( |
| Settings.Secure.getUriFor( |
| Settings.Secure.ACCESSIBILITY_BUTTON_MODE), /* notifyForDescendants= */ |
| false, mContentObserver); |
| |
| } |
| |
| @Override |
| public void onPause() { |
| mContentResolver.unregisterContentObserver(mContentObserver); |
| } |
| |
| private void updateAvailabilityStatus() { |
| mPreference.setEnabled(AccessibilityUtil.isFloatingMenuEnabled(mContext)); |
| } |
| |
| private void initValueTitleMap() { |
| if (mValueTitleMap.size() == 0) { |
| final String[] values = mContext.getResources().getStringArray( |
| R.array.accessibility_button_size_selector_values); |
| final String[] titles = mContext.getResources().getStringArray( |
| R.array.accessibility_button_size_selector_titles); |
| final int mapSize = values.length; |
| |
| mDefaultSize = Integer.parseInt(values[0]); |
| for (int i = 0; i < mapSize; i++) { |
| mValueTitleMap.put(values[i], titles[i]); |
| } |
| } |
| } |
| |
| @Size |
| private int getAccessibilityFloatingMenuSize(@Size int defaultValue) { |
| return Settings.Secure.getInt(mContentResolver, |
| Settings.Secure.ACCESSIBILITY_FLOATING_MENU_SIZE, defaultValue); |
| } |
| |
| private void putAccessibilityFloatingMenuSize(@Size int value) { |
| Settings.Secure.putInt(mContentResolver, |
| Settings.Secure.ACCESSIBILITY_FLOATING_MENU_SIZE, value); |
| } |
| } |