| /* |
| * Copyright (C) 2017 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.search; |
| |
| import static com.android.settings.search.InstalledAppResultLoader.getWordDifference; |
| |
| import android.accessibilityservice.AccessibilityServiceInfo; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.ServiceInfo; |
| import android.graphics.drawable.Drawable; |
| import android.support.annotation.VisibleForTesting; |
| import android.support.v4.content.ContextCompat; |
| import android.view.accessibility.AccessibilityManager; |
| |
| import com.android.settings.R; |
| import com.android.settings.accessibility.AccessibilitySettings; |
| import com.android.settings.dashboard.SiteMapManager; |
| import com.android.settings.utils.AsyncLoader; |
| |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| public class AccessibilityServiceResultLoader extends AsyncLoader<Set<? extends SearchResult>> { |
| |
| private static final int NAME_NO_MATCH = -1; |
| |
| private List<String> mBreadcrumb; |
| private SiteMapManager mSiteMapManager; |
| @VisibleForTesting |
| final String mQuery; |
| private final AccessibilityManager mAccessibilityManager; |
| private final PackageManager mPackageManager; |
| |
| |
| public AccessibilityServiceResultLoader(Context context, String query, |
| SiteMapManager mapManager) { |
| super(context); |
| mSiteMapManager = mapManager; |
| mPackageManager = context.getPackageManager(); |
| mAccessibilityManager = |
| (AccessibilityManager) context.getSystemService(Context.ACCESSIBILITY_SERVICE); |
| mQuery = query; |
| } |
| |
| @Override |
| public Set<? extends SearchResult> loadInBackground() { |
| final Set<SearchResult> results = new HashSet<>(); |
| final Context context = getContext(); |
| final List<AccessibilityServiceInfo> services = mAccessibilityManager |
| .getInstalledAccessibilityServiceList(); |
| final String screenTitle = context.getString(R.string.accessibility_settings); |
| for (AccessibilityServiceInfo service : services) { |
| if (service == null) { |
| continue; |
| } |
| final ResolveInfo resolveInfo = service.getResolveInfo(); |
| if (service.getResolveInfo() == null) { |
| continue; |
| } |
| final ServiceInfo serviceInfo = resolveInfo.serviceInfo; |
| final CharSequence title = resolveInfo.loadLabel(mPackageManager); |
| final int wordDiff = getWordDifference(title.toString(), mQuery); |
| if (wordDiff == NAME_NO_MATCH) { |
| continue; |
| } |
| final Drawable icon; |
| if (resolveInfo.getIconResource() == 0) { |
| icon = ContextCompat.getDrawable(context, R.mipmap.ic_accessibility_generic); |
| } else { |
| icon = resolveInfo.loadIcon(mPackageManager); |
| } |
| final String componentName = new ComponentName(serviceInfo.packageName, |
| serviceInfo.name).flattenToString(); |
| final Intent intent = DatabaseIndexingUtils.buildSubsettingIntent(context, |
| AccessibilitySettings.class.getName(), componentName, screenTitle); |
| |
| results.add(new SearchResult.Builder() |
| .setTitle(title) |
| .addBreadcrumbs(getBreadCrumb()) |
| .setPayload(new ResultPayload(intent)) |
| .setRank(wordDiff) |
| .setIcon(icon) |
| .setStableId(Objects.hash(screenTitle, componentName)) |
| .build()); |
| } |
| return results; |
| } |
| |
| private List<String> getBreadCrumb() { |
| if (mBreadcrumb == null || mBreadcrumb.isEmpty()) { |
| final Context context = getContext(); |
| mBreadcrumb = mSiteMapManager.buildBreadCrumb( |
| context, AccessibilitySettings.class.getName(), |
| context.getString(R.string.accessibility_settings)); |
| } |
| return mBreadcrumb; |
| } |
| |
| @Override |
| protected void onDiscardResult(Set<? extends SearchResult> result) { |
| |
| } |
| } |