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/*
* Copyright (C) 2020 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.ComponentName;
import android.content.Context;
import android.content.SharedPreferences;
import com.android.settings.accessibility.AccessibilityUtil.UserShortcutType;
import java.util.HashSet;
import java.util.Set;
/** Static utility methods relating to {@link PreferredShortcut} */
public final class PreferredShortcuts {
private static final String ACCESSIBILITY_PERF = "accessibility_prefs";
private static final String USER_SHORTCUT_TYPE = "user_shortcut_type";
/**
* Retrieves {@link UserShortcutType} for the given {@code componentName} from
* SharedPreferences.
*
* @param context {@link Context} to access the {@link SharedPreferences}
* @param componentName Name of the service or activity, should be the format of {@link
* ComponentName#flattenToString()}.
* @param defaultType See {@link UserShortcutType}
* @return {@link UserShortcutType}
*/
public static int retrieveUserShortcutType(Context context, String componentName,
int defaultType) {
if (componentName == null) {
return defaultType;
}
// Create a mutable set to modify
final Set<String> info = new HashSet<>(getFromSharedPreferences(context));
info.removeIf(str -> !str.contains(componentName));
if (info.isEmpty()) {
return defaultType;
}
final String str = info.stream().findFirst().get();
final PreferredShortcut shortcut = PreferredShortcut.fromString(str);
return shortcut.getType();
}
/**
* Saves a {@link PreferredShortcut} which containing {@link ComponentName#flattenToString()}
* and {@link UserShortcutType} in SharedPreferences.
*
* @param context {@link Context} to access the {@link SharedPreferences}
* @param shortcut Contains {@link ComponentName#flattenToString()} and {@link UserShortcutType}
*/
public static void saveUserShortcutType(Context context, PreferredShortcut shortcut) {
final String componentName = shortcut.getComponentName();
if (componentName == null) {
return;
}
// Create a mutable set to modify
final Set<String> info = new HashSet<>(getFromSharedPreferences(context));
info.removeIf(str -> str.contains(componentName));
info.add(shortcut.toString());
saveToSharedPreferences(context, info);
}
/**
* Returns a immutable set of {@link PreferredShortcut#toString()} list from
* SharedPreferences.
*/
private static Set<String> getFromSharedPreferences(Context context) {
return getSharedPreferences(context).getStringSet(USER_SHORTCUT_TYPE, Set.of());
}
/** Sets a set of {@link PreferredShortcut#toString()} list into SharedPreferences. */
private static void saveToSharedPreferences(Context context, Set<String> data) {
SharedPreferences.Editor editor = getSharedPreferences(context).edit();
editor.putStringSet(USER_SHORTCUT_TYPE, data).apply();
}
private static SharedPreferences getSharedPreferences(Context context) {
return context.getSharedPreferences(ACCESSIBILITY_PERF, Context.MODE_PRIVATE);
}
private PreferredShortcuts() {}
}
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