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Extract inner helper from AccessibilitySettings to public

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* Need to be used in 'Connected device' page for hearing aid device

Bug: 225117933
Bug: 227172850
Test: make RunSettingsRoboTests ROBOTEST_FILTER=RestrictedPreferenceHelperTest
Change-Id: Icda456aa9c7597dc113775d1359acb0a8430768c
This commit is contained in:
jasonwshsu
2022-03-22 23:03:59 +08:00
parent 906805a591
commit f02c069f3d
4 changed files with 472 additions and 346 deletions
Download Patch File Download Diff File Expand all files Collapse all files

315
src/com/android/settings/accessibility/AccessibilitySettings.java
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@@ -16,21 +16,13 @@
package com.android.settings.accessibility;
import static com.android.settingslib.widget.TwoTargetPreference.ICON_SIZE_MEDIUM;
import android.accessibilityservice.AccessibilityServiceInfo;
import android.accessibilityservice.AccessibilityShortcutInfo;
import android.app.AppOpsManager;
import android.app.admin.DevicePolicyManager;
import android.app.settings.SettingsEnums;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.Handler;
import android.os.UserHandle;
@@ -40,22 +32,17 @@ import android.util.ArrayMap;
import android.view.accessibility.AccessibilityManager;
import androidx.annotation.VisibleForTesting;
import androidx.core.content.ContextCompat;
import androidx.preference.Preference;
import androidx.preference.PreferenceCategory;
import com.android.internal.accessibility.AccessibilityShortcutController;
import com.android.internal.content.PackageMonitor;
import com.android.settings.R;
import com.android.settings.Utils;
import com.android.settings.accessibility.AccessibilityUtil.AccessibilityServiceFragmentType;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
import com.android.settingslib.RestrictedLockUtilsInternal;
import com.android.settingslib.RestrictedPreference;
import com.android.settingslib.accessibility.AccessibilityUtils;
import com.android.settingslib.search.SearchIndexable;
import com.android.settingslib.search.SearchIndexableRaw;
@@ -63,7 +50,6 @@ import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Set;
/** Activity with the accessibility settings. */
@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
@@ -71,9 +57,6 @@ public class AccessibilitySettings extends DashboardFragment {
private static final String TAG = "AccessibilitySettings";
// Index of the first preference in a preference category.
private static final int FIRST_PREFERENCE_IN_CATEGORY_INDEX = -1;
// Preference categories
private static final String CATEGORY_SCREEN_READER = "screen_reader_category";
private static final String CATEGORY_CAPTIONS = "captions_category";
@@ -249,8 +232,7 @@ public class AccessibilitySettings extends DashboardFragment {
* @param serviceEnabled Whether the accessibility service is enabled.
* @return The service summary
*/
@VisibleForTesting
static CharSequence getServiceSummary(Context context, AccessibilityServiceInfo info,
public static CharSequence getServiceSummary(Context context, AccessibilityServiceInfo info,
boolean serviceEnabled) {
if (serviceEnabled && info.crashed) {
return context.getText(R.string.accessibility_summary_state_stopped);
@@ -289,8 +271,7 @@ public class AccessibilitySettings extends DashboardFragment {
* @param serviceEnabled Whether the accessibility service is enabled.
* @return The service description
*/
@VisibleForTesting
static CharSequence getServiceDescription(Context context, AccessibilityServiceInfo info,
public static CharSequence getServiceDescription(Context context, AccessibilityServiceInfo info,
boolean serviceEnabled) {
if (serviceEnabled && info.crashed) {
return context.getText(R.string.accessibility_description_state_stopped);
@@ -506,296 +487,4 @@ public class AccessibilitySettings extends DashboardFragment {
context);
}
};
/**
* This class helps setup RestrictedPreference.
*/
@VisibleForTesting
static class RestrictedPreferenceHelper {
private final Context mContext;
private final DevicePolicyManager mDpm;
private final PackageManager mPm;
private final AppOpsManager mAppOps;
RestrictedPreferenceHelper(Context context) {
mContext = context;
mDpm = context.getSystemService(DevicePolicyManager.class);
mPm = context.getPackageManager();
mAppOps = context.getSystemService(AppOpsManager.class);
}
/**
* Creates the list of {@link RestrictedPreference} with the installedServices arguments.
*
* @param installedServices The list of {@link AccessibilityServiceInfo}s of the
* installed accessibility services
* @return The list of {@link RestrictedPreference}
*/
@VisibleForTesting
List<RestrictedPreference> createAccessibilityServicePreferenceList(
List<AccessibilityServiceInfo> installedServices) {
final Set<ComponentName> enabledServices =
AccessibilityUtils.getEnabledServicesFromSettings(mContext);
final List<String> permittedServices = mDpm.getPermittedAccessibilityServices(
UserHandle.myUserId());
final int installedServicesSize = installedServices.size();
final List<RestrictedPreference> preferenceList = new ArrayList<>(
installedServicesSize);
for (int i = 0; i < installedServicesSize; ++i) {
final AccessibilityServiceInfo info = installedServices.get(i);
final ResolveInfo resolveInfo = info.getResolveInfo();
final String packageName = resolveInfo.serviceInfo.packageName;
final ComponentName componentName = new ComponentName(packageName,
resolveInfo.serviceInfo.name);
final String key = componentName.flattenToString();
final CharSequence title = resolveInfo.loadLabel(mPm);
final boolean serviceEnabled = enabledServices.contains(componentName);
final CharSequence summary = getServiceSummary(mContext, info, serviceEnabled);
final String fragment = getAccessibilityServiceFragmentTypeName(info);
Drawable icon = resolveInfo.loadIcon(mPm);
if (resolveInfo.getIconResource() == 0) {
icon = ContextCompat.getDrawable(mContext,
R.drawable.ic_accessibility_generic);
}
final RestrictedPreference preference = createRestrictedPreference(key, title,
summary, icon, fragment, packageName,
resolveInfo.serviceInfo.applicationInfo.uid);
setRestrictedPreferenceEnabled(preference, permittedServices, serviceEnabled);
final String prefKey = preference.getKey();
final int imageRes = info.getAnimatedImageRes();
final CharSequence intro = info.loadIntro(mPm);
final CharSequence description = getServiceDescription(mContext, info,
serviceEnabled);
final String htmlDescription = info.loadHtmlDescription(mPm);
final String settingsClassName = info.getSettingsActivityName();
final String tileServiceClassName = info.getTileServiceName();
putBasicExtras(preference, prefKey, title, intro, description, imageRes,
htmlDescription, componentName);
putServiceExtras(preference, resolveInfo, serviceEnabled);
putSettingsExtras(preference, packageName, settingsClassName);
putTileServiceExtras(preference, packageName, tileServiceClassName);
preferenceList.add(preference);
}
return preferenceList;
}
/**
* Create the list of {@link RestrictedPreference} with the installedShortcuts arguments.
*
* @param installedShortcuts The list of {@link AccessibilityShortcutInfo}s of the
* installed accessibility shortcuts
* @return The list of {@link RestrictedPreference}
*/
@VisibleForTesting
List<RestrictedPreference> createAccessibilityActivityPreferenceList(
List<AccessibilityShortcutInfo> installedShortcuts) {
final Set<ComponentName> enabledServices =
AccessibilityUtils.getEnabledServicesFromSettings(mContext);
final List<String> permittedServices = mDpm.getPermittedAccessibilityServices(
UserHandle.myUserId());
final int installedShortcutsSize = installedShortcuts.size();
final List<RestrictedPreference> preferenceList = new ArrayList<>(
installedShortcutsSize);
for (int i = 0; i < installedShortcutsSize; ++i) {
final AccessibilityShortcutInfo info = installedShortcuts.get(i);
final ActivityInfo activityInfo = info.getActivityInfo();
final ComponentName componentName = info.getComponentName();
final String key = componentName.flattenToString();
final CharSequence title = activityInfo.loadLabel(mPm);
final String summary = info.loadSummary(mPm);
final String fragment =
LaunchAccessibilityActivityPreferenceFragment.class.getName();
Drawable icon = activityInfo.loadIcon(mPm);
if (activityInfo.getIconResource() == 0) {
icon = ContextCompat.getDrawable(mContext, R.drawable.ic_accessibility_generic);
}
final RestrictedPreference preference = createRestrictedPreference(key, title,
summary, icon, fragment, componentName.getPackageName(),
activityInfo.applicationInfo.uid);
final boolean serviceEnabled = enabledServices.contains(componentName);
setRestrictedPreferenceEnabled(preference, permittedServices, serviceEnabled);
final String prefKey = preference.getKey();
final CharSequence intro = info.loadIntro(mPm);
final String description = info.loadDescription(mPm);
final int imageRes = info.getAnimatedImageRes();
final String htmlDescription = info.loadHtmlDescription(mPm);
final String settingsClassName = info.getSettingsActivityName();
final String tileServiceClassName = info.getTileServiceName();
putBasicExtras(preference, prefKey, title, intro, description, imageRes,
htmlDescription, componentName);
putSettingsExtras(preference, componentName.getPackageName(), settingsClassName);
putTileServiceExtras(preference, componentName.getPackageName(),
tileServiceClassName);
preferenceList.add(preference);
}
return preferenceList;
}
private String getAccessibilityServiceFragmentTypeName(AccessibilityServiceInfo info) {
// Shorten the name to avoid exceeding 100 characters in one line.
final String volumeShortcutToggleAccessibilityServicePreferenceFragment =
VolumeShortcutToggleAccessibilityServicePreferenceFragment.class.getName();
switch (AccessibilityUtil.getAccessibilityServiceFragmentType(info)) {
case AccessibilityServiceFragmentType.VOLUME_SHORTCUT_TOGGLE:
return volumeShortcutToggleAccessibilityServicePreferenceFragment;
case AccessibilityServiceFragmentType.INVISIBLE_TOGGLE:
return InvisibleToggleAccessibilityServicePreferenceFragment.class.getName();
case AccessibilityServiceFragmentType.TOGGLE:
return ToggleAccessibilityServicePreferenceFragment.class.getName();
default:
// impossible status
throw new AssertionError();
}
}
private RestrictedPreference createRestrictedPreference(String key, CharSequence title,
CharSequence summary, Drawable icon, String fragment, String packageName, int uid) {
final RestrictedPreference preference = new RestrictedPreference(mContext, packageName,
uid);
preference.setKey(key);
preference.setTitle(title);
preference.setSummary(summary);
preference.setIcon(Utils.getAdaptiveIcon(mContext, icon, Color.WHITE));
preference.setFragment(fragment);
preference.setIconSize(ICON_SIZE_MEDIUM);
preference.setPersistent(false); // Disable SharedPreferences.
preference.setOrder(FIRST_PREFERENCE_IN_CATEGORY_INDEX);
return preference;
}
private void setRestrictedPreferenceEnabled(RestrictedPreference preference,
final List<String> permittedServices, boolean serviceEnabled) {
// permittedServices null means all accessibility services are allowed.
boolean serviceAllowed = permittedServices == null || permittedServices.contains(
preference.getPackageName());
boolean appOpsAllowed;
if (serviceAllowed) {
try {
final int mode = mAppOps.noteOpNoThrow(
AppOpsManager.OP_ACCESS_RESTRICTED_SETTINGS,
preference.getUid(), preference.getPackageName());
appOpsAllowed = mode == AppOpsManager.MODE_ALLOWED;
serviceAllowed = appOpsAllowed;
} catch (Exception e) {
// Allow service in case if app ops is not available in testing.
appOpsAllowed = true;
}
} else {
appOpsAllowed = false;
}
if (serviceAllowed || serviceEnabled) {
preference.setEnabled(true);
} else {
// Disable accessibility service that are not permitted.
final EnforcedAdmin admin =
RestrictedLockUtilsInternal.checkIfAccessibilityServiceDisallowed(
mContext, preference.getPackageName(), UserHandle.myUserId());
if (admin != null) {
preference.setDisabledByAdmin(admin);
} else if (!appOpsAllowed) {
preference.setDisabledByAppOps(true);
} else {
preference.setEnabled(false);
}
}
}
/** Puts the basic extras into {@link RestrictedPreference}'s getExtras(). */
private void putBasicExtras(RestrictedPreference preference, String prefKey,
CharSequence title, CharSequence intro, CharSequence summary, int imageRes,
String htmlDescription, ComponentName componentName) {
final Bundle extras = preference.getExtras();
extras.putString(EXTRA_PREFERENCE_KEY, prefKey);
extras.putCharSequence(EXTRA_TITLE, title);
extras.putCharSequence(EXTRA_INTRO, intro);
extras.putCharSequence(EXTRA_SUMMARY, summary);
extras.putParcelable(EXTRA_COMPONENT_NAME, componentName);
extras.putInt(EXTRA_ANIMATED_IMAGE_RES, imageRes);
extras.putString(AccessibilitySettings.EXTRA_HTML_DESCRIPTION, htmlDescription);
}
/**
* Puts the service extras into {@link RestrictedPreference}'s getExtras().
*
* <p><b>Note:</b> Called by {@link AccessibilityServiceInfo}.</p>
*
* @param preference The preference we are configuring.
* @param resolveInfo The service resolve info.
* @param serviceEnabled Whether the accessibility service is enabled.
*/
private void putServiceExtras(RestrictedPreference preference, ResolveInfo resolveInfo,
Boolean serviceEnabled) {
final Bundle extras = preference.getExtras();
extras.putParcelable(EXTRA_RESOLVE_INFO, resolveInfo);
extras.putBoolean(EXTRA_CHECKED, serviceEnabled);
}
/**
* Puts the settings extras into {@link RestrictedPreference}'s getExtras().
*
* <p><b>Note:</b> Called when settings UI is needed.</p>
*
* @param preference The preference we are configuring.
* @param packageName Package of accessibility feature.
* @param settingsClassName The component name of an activity that allows the user to modify
* the settings for this accessibility feature.
*/
private void putSettingsExtras(RestrictedPreference preference, String packageName,
String settingsClassName) {
final Bundle extras = preference.getExtras();
if (!TextUtils.isEmpty(settingsClassName)) {
extras.putString(EXTRA_SETTINGS_TITLE,
mContext.getText(R.string.accessibility_menu_item_settings).toString());
extras.putString(EXTRA_SETTINGS_COMPONENT_NAME,
new ComponentName(packageName, settingsClassName).flattenToString());
}
}
/**
* Puts the information about a particular application
* {@link android.service.quicksettings.TileService} into {@link RestrictedPreference}'s
* getExtras().
*
* <p><b>Note:</b> Called when a tooltip of
* {@link android.service.quicksettings.TileService} is needed.</p>
*
* @param preference The preference we are configuring.
* @param packageName Package of accessibility feature.
* @param tileServiceClassName The component name of tileService is associated with this
* accessibility feature.
*/
private void putTileServiceExtras(RestrictedPreference preference, String packageName,
String tileServiceClassName) {
final Bundle extras = preference.getExtras();
if (!TextUtils.isEmpty(tileServiceClassName)) {
extras.putString(EXTRA_TILE_SERVICE_COMPONENT_NAME,
new ComponentName(packageName, tileServiceClassName).flattenToString());
}
}
}
}