1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.accessibility; 18 19 import android.accessibilityservice.AccessibilityShortcutInfo; 20 import android.content.ComponentName; 21 import android.content.Context; 22 import android.content.pm.ActivityInfo; 23 import android.content.pm.PackageManager; 24 import android.graphics.Color; 25 import android.graphics.drawable.Drawable; 26 import android.os.Bundle; 27 import android.util.Log; 28 29 import androidx.annotation.NonNull; 30 import androidx.core.content.ContextCompat; 31 32 import com.android.settings.R; 33 import com.android.settings.Utils; 34 import com.android.settings.overlay.FeatureFactory; 35 import com.android.settingslib.RestrictedPreference; 36 import com.android.settingslib.utils.ThreadUtils; 37 38 import com.google.common.util.concurrent.ListenableFuture; 39 40 import java.util.concurrent.ExecutionException; 41 42 /** 43 * Preference item for showing an accessibility activity in a preference list 44 */ 45 public class AccessibilityActivityPreference extends RestrictedPreference { 46 private static final String LOG_TAG = AccessibilityActivityPreference.class.getSimpleName(); 47 // Index of the first preference in a preference category. 48 private static final int FIRST_PREFERENCE_IN_CATEGORY_INDEX = -1; 49 private static final String TARGET_FRAGMENT = 50 LaunchAccessibilityActivityPreferenceFragment.class.getName(); 51 private final AccessibilityShortcutInfo mA11yShortcutInfo; 52 private final PackageManager mPm; 53 private final ComponentName mComponentName; 54 private final CharSequence mLabel; 55 private final ListenableFuture mExtraArgumentsFuture; 56 AccessibilityActivityPreference(Context context, String packageName, int uid, AccessibilityShortcutInfo a11yShortcutInfo)57 public AccessibilityActivityPreference(Context context, String packageName, int uid, 58 AccessibilityShortcutInfo a11yShortcutInfo) { 59 super(context, packageName, uid); 60 mPm = context.getPackageManager(); 61 mA11yShortcutInfo = a11yShortcutInfo; 62 mComponentName = a11yShortcutInfo.getComponentName(); 63 mLabel = a11yShortcutInfo.getActivityInfo().loadLabel(mPm); 64 // setup basic info for a preference 65 setKey(mComponentName.flattenToString()); 66 setTitle(mLabel); 67 setSummary(a11yShortcutInfo.loadSummary(mPm)); 68 setFragment(TARGET_FRAGMENT); 69 setIconSize(ICON_SIZE_MEDIUM); 70 setIconSpaceReserved(true); 71 setPersistent(false); // Disable SharedPreferences. 72 setOrder(FIRST_PREFERENCE_IN_CATEGORY_INDEX); 73 74 // kick off image loading tasks 75 ThreadUtils.postOnBackgroundThread(() -> { 76 final Drawable icon = getA11yActivityIcon(); 77 ThreadUtils.getUiThreadHandler().post(() -> this.setIcon(icon)); 78 }); 79 80 final Bundle extras = getExtras(); 81 extras.putParcelable(AccessibilitySettings.EXTRA_COMPONENT_NAME, mComponentName); 82 83 mExtraArgumentsFuture = ThreadUtils.postOnBackgroundThread(this::setupDataForOpenFragment); 84 } 85 86 @Override performClick()87 public void performClick() { 88 try { 89 mExtraArgumentsFuture.get(); 90 } catch (InterruptedException | ExecutionException e) { 91 Log.e(LOG_TAG, 92 "Unable to finish grabbing necessary arguments to open the fragment: " 93 + "componentName: " + mComponentName); 94 } 95 super.performClick(); 96 } 97 98 /** 99 * Returns the label of the Accessibility Activity 100 */ getLabel()101 public CharSequence getLabel() { 102 return mLabel; 103 } 104 105 @NonNull getComponentName()106 public ComponentName getComponentName() { 107 return mComponentName; 108 } 109 getA11yActivityIcon()110 private Drawable getA11yActivityIcon() { 111 ActivityInfo activityInfo = mA11yShortcutInfo.getActivityInfo(); 112 Drawable serviceIcon; 113 if (activityInfo.getIconResource() == 0) { 114 serviceIcon = ContextCompat.getDrawable(getContext(), 115 R.drawable.ic_accessibility_generic); 116 } else { 117 serviceIcon = activityInfo.loadIcon(mPm); 118 } 119 return Utils.getAdaptiveIcon(getContext(), serviceIcon, Color.WHITE); 120 } 121 setupDataForOpenFragment()122 private void setupDataForOpenFragment() { 123 final String prefKey = getKey(); 124 final int imageRes = mA11yShortcutInfo.getAnimatedImageRes(); 125 final CharSequence intro = mA11yShortcutInfo.loadIntro(mPm); 126 final CharSequence description = mA11yShortcutInfo.loadDescription(mPm); 127 final String htmlDescription = mA11yShortcutInfo.loadHtmlDescription(mPm); 128 final String settingsClassName = mA11yShortcutInfo.getSettingsActivityName(); 129 final String tileServiceClassName = mA11yShortcutInfo.getTileServiceName(); 130 final int pageIdCategory = FeatureFactory.getFeatureFactory() 131 .getAccessibilityPageIdFeatureProvider().getCategory(mComponentName); 132 133 ThreadUtils.getUiThreadHandler().post(() -> { 134 RestrictedPreferenceHelper.putBasicExtras( 135 this, prefKey, getTitle(), intro, description, imageRes, 136 htmlDescription, mComponentName, pageIdCategory); 137 RestrictedPreferenceHelper.putSettingsExtras(this, getPackageName(), settingsClassName); 138 RestrictedPreferenceHelper.putTileServiceExtras( 139 this, getPackageName(), tileServiceClassName); 140 }); 141 } 142 } 143