Extract inner helper from AccessibilitySettings to public (f02c069f) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/accessibility/AccessibilitySettings.java

+2 −313

Original line number	Diff line number	Diff line
		@@ -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());
		}
		}
		}
		}

src/com/android/settings/accessibility/RestrictedPreferenceHelper.java

0 → 100644

+337 −0

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tests/robotests/src/com/android/settings/accessibility/AccessibilitySettingsTest.java

+0 −33

Original line number	Diff line number	Diff line
		@@ -87,8 +87,6 @@ public class AccessibilitySettingsTest {
		private static final String PACKAGE_NAME = "com.android.test";
		private static final String CLASS_NAME = PACKAGE_NAME + ".test_a11y_service";
		private static final ComponentName COMPONENT_NAME = new ComponentName(PACKAGE_NAME, CLASS_NAME);
		private static final int ON = 1;
		private static final int OFF = 0;
		private static final String EMPTY_STRING = "";
		private static final String DEFAULT_SUMMARY = "default summary";
		private static final String DEFAULT_DESCRIPTION = "default description";
		@@ -246,37 +244,6 @@ public class AccessibilitySettingsTest {
		assertThat(description).isEqualTo(DEFAULT_DESCRIPTION);
		}

		@Test
		public void createAccessibilityServicePreferenceList_hasOneInfo_containsSameKey() {
		final String key = COMPONENT_NAME.flattenToString();
		final AccessibilitySettings.RestrictedPreferenceHelper helper =
		new AccessibilitySettings.RestrictedPreferenceHelper(mContext);
		final List<AccessibilityServiceInfo> infoList = new ArrayList<>(
		singletonList(mServiceInfo));

		final List<RestrictedPreference> preferenceList =
		helper.createAccessibilityServicePreferenceList(infoList);
		RestrictedPreference preference = preferenceList.get(0);

		assertThat(preference.getKey()).isEqualTo(key);
		}

		@Test
		public void createAccessibilityActivityPreferenceList_hasOneInfo_containsSameKey() {
		final String key = COMPONENT_NAME.flattenToString();
		final AccessibilitySettings.RestrictedPreferenceHelper helper =
		new AccessibilitySettings.RestrictedPreferenceHelper(mContext);
		setMockAccessibilityShortcutInfo(mShortcutInfo);
		final List<AccessibilityShortcutInfo> infoList = new ArrayList<>(
		singletonList(mShortcutInfo));

		final List<RestrictedPreference> preferenceList =
		helper.createAccessibilityActivityPreferenceList(infoList);
		RestrictedPreference preference = preferenceList.get(0);

		assertThat(preference.getKey()).isEqualTo(key);
		}

		@Test
		@Config(shadows = {ShadowFragment.class, ShadowUserManager.class})
		public void onCreate_haveRegisterToSpecificUrisAndActions() {

tests/robotests/src/com/android/settings/accessibility/RestrictedPreferenceHelperTest.java

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