6ad5848775
Merge for: ag/2148817 Bug: 33701673 Test: make RunSettingsRoboTests Change-Id: Idda6d2f98cb8d2cb91a9a4721b2ef84921f9056a
229 lines
11 KiB
Java
229 lines
11 KiB
Java
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.accessibility;
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import android.accessibilityservice.AccessibilityServiceInfo;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.res.Resources;
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import android.os.Bundle;
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import android.provider.SearchIndexableResource;
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import android.provider.Settings;
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import android.support.v7.preference.Preference;
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import android.text.TextUtils;
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import android.view.View;
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import android.view.accessibility.AccessibilityManager;
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import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
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import com.android.settings.R;
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import com.android.settings.SettingsPreferenceFragment;
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import com.android.settings.core.PreferenceController;
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import com.android.settings.search.BaseSearchIndexProvider;
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import com.android.settings.search.Indexable;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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public final class MagnificationPreferenceFragment extends SettingsPreferenceFragment implements
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Indexable {
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// Settings App preference keys
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private static final String PREFERENCE_TITLE_KEY = "magnification_preference_screen_title";
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private static final String MAGNIFICATION_GESTURES_PREFERENCE_SCREEN_KEY =
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"screen_magnification_gestures_preference_screen";
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private static final String MAGNIFICATION_NAVBAR_PREFERENCE_SCREEN_KEY =
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"screen_magnification_navbar_preference_screen";
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// Pseudo ComponentName used to represent navbar magnification in Settings.Secure.
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private static final String MAGNIFICATION_COMPONENT_ID =
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"com.android.server.accessibility.MagnificationController";
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private Preference mMagnificationGesturesPreference;
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private Preference mMagnificationNavbarPreference;
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private boolean mLaunchedFromSuw = false;
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@Override
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public void onCreatePreferences(Bundle bundle, String s) {
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addPreferencesFromResource(R.xml.accessibility_magnification_settings);
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mMagnificationGesturesPreference = findPreference(
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MAGNIFICATION_GESTURES_PREFERENCE_SCREEN_KEY);
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mMagnificationNavbarPreference = findPreference(MAGNIFICATION_NAVBAR_PREFERENCE_SCREEN_KEY);
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}
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@Override
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public void onViewCreated(View view, Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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final Bundle args = getArguments();
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if ((args != null) && args.containsKey(AccessibilitySettings.EXTRA_LAUNCHED_FROM_SUW)) {
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mLaunchedFromSuw = args.getBoolean(AccessibilitySettings.EXTRA_LAUNCHED_FROM_SUW);
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}
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}
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@Override
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public void onResume() {
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super.onResume();
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getActivity().setTitle(R.string.accessibility_screen_magnification_title);
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updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED,
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mMagnificationGesturesPreference);
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updateFeatureSummary(Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_NAVBAR_ENABLED,
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mMagnificationNavbarPreference);
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}
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@Override
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public int getMetricsCategory() {
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return MetricsEvent.ACCESSIBILITY_SCREEN_MAGNIFICATION_SETTINGS;
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}
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@Override
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public boolean onPreferenceTreeClick(Preference preference) {
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if (mLaunchedFromSuw) {
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// If invoked from SUW, redirect to fragment instrumented for Vision Settings metrics
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preference.setFragment(
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ToggleScreenMagnificationPreferenceFragmentForSetupWizard.class.getName());
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}
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if (mMagnificationGesturesPreference == preference) {
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handleMagnificationGesturesPreferenceScreenClick();
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super.onPreferenceTreeClick(mMagnificationGesturesPreference);
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return true;
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} else if (mMagnificationNavbarPreference == preference) {
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handleMagnificationNavbarPreferenceScreenClick();
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super.onPreferenceTreeClick(mMagnificationNavbarPreference);
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return true;
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}
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return super.onPreferenceTreeClick(preference);
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}
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private void updateFeatureSummary(String prefKey, Preference pref) {
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if (!mLaunchedFromSuw) {
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final boolean enabled = Settings.Secure.getInt(getContentResolver(), prefKey, 0) == 1;
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pref.setSummary(enabled ? R.string.accessibility_feature_state_on
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: R.string.accessibility_feature_state_off);
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} else {
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if (Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED.equals(prefKey)) {
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pref.setSummary(R.string.accessibility_screen_magnification_short_summary);
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} else if (Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_NAVBAR_ENABLED.equals(
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prefKey)) {
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pref.setSummary(R.string.accessibility_screen_magnification_navbar_short_summary);
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}
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}
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}
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private void handleMagnificationGesturesPreferenceScreenClick() {
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Bundle extras = mMagnificationGesturesPreference.getExtras();
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populateMagnificationGesturesPreferenceExtras(extras, getContext());
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extras.putBoolean(AccessibilitySettings.EXTRA_LAUNCHED_FROM_SUW, mLaunchedFromSuw);
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}
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private void handleMagnificationNavbarPreferenceScreenClick() {
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Bundle extras = mMagnificationNavbarPreference.getExtras();
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extras.putString(AccessibilitySettings.EXTRA_PREFERENCE_KEY,
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Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_NAVBAR_ENABLED);
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extras.putString(AccessibilitySettings.EXTRA_TITLE, getString(
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R.string.accessibility_screen_magnification_navbar_title));
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extras.putCharSequence(AccessibilitySettings.EXTRA_SUMMARY,
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getActivity().getResources().getText(
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R.string.accessibility_screen_magnification_navbar_summary));
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extras.putBoolean(AccessibilitySettings.EXTRA_CHECKED,
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Settings.Secure.getInt(getContentResolver(),
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Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_NAVBAR_ENABLED, 0)
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== 1);
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extras.putBoolean(AccessibilitySettings.EXTRA_LAUNCHED_FROM_SUW, mLaunchedFromSuw);
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}
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static CharSequence getConfigurationWarningStringForSecureSettingsKey(String key,
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Context context) {
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if (!Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_NAVBAR_ENABLED.equals(key)) {
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return null;
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}
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if (Settings.Secure.getInt(context.getContentResolver(),
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Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_NAVBAR_ENABLED, 0) == 0) {
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return null;
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}
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final AccessibilityManager am = (AccessibilityManager) context.getSystemService(
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Context.ACCESSIBILITY_SERVICE);
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final String assignedId = Settings.Secure.getString(context.getContentResolver(),
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Settings.Secure.ACCESSIBILITY_BUTTON_TARGET_COMPONENT);
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if (!TextUtils.isEmpty(assignedId) && !MAGNIFICATION_COMPONENT_ID.equals(assignedId)) {
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final ComponentName assignedComponentName = ComponentName.unflattenFromString(
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assignedId);
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final List<AccessibilityServiceInfo> activeServices =
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am.getEnabledAccessibilityServiceList(
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AccessibilityServiceInfo.FEEDBACK_ALL_MASK);
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final int serviceCount = activeServices.size();
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for (int i = 0; i < serviceCount; i++) {
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final AccessibilityServiceInfo info = activeServices.get(i);
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if (info.getComponentName().equals(assignedComponentName)) {
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final CharSequence assignedServiceName = info.getResolveInfo().loadLabel(
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context.getPackageManager());
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return context.getString(
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R.string.accessibility_screen_magnification_navbar_configuration_warning,
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assignedServiceName);
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}
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}
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}
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return null;
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}
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static void populateMagnificationGesturesPreferenceExtras(Bundle extras, Context context) {
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extras.putString(AccessibilitySettings.EXTRA_PREFERENCE_KEY,
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Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED);
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extras.putString(AccessibilitySettings.EXTRA_TITLE, context.getString(
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R.string.accessibility_screen_magnification_gestures_title));
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extras.putCharSequence(AccessibilitySettings.EXTRA_SUMMARY, context.getResources().getText(
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R.string.accessibility_screen_magnification_summary));
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extras.putBoolean(AccessibilitySettings.EXTRA_CHECKED,
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Settings.Secure.getInt(context.getContentResolver(),
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Settings.Secure.ACCESSIBILITY_DISPLAY_MAGNIFICATION_ENABLED, 0) == 1);
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extras.putInt(AccessibilitySettings.EXTRA_VIDEO_RAW_RESOURCE_ID,
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R.raw.accessibility_screen_magnification);
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}
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/**
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* @return {@code true} if this fragment should be shown, {@code false} otherwise. This
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* fragment is shown in the case that more than one magnification mode is available.
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*/
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static boolean isApplicable(Resources res) {
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return res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
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}
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public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
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new BaseSearchIndexProvider() {
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@Override
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public List<SearchIndexableResource> getXmlResourcesToIndex(Context context,
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boolean enabled) {
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if (isApplicable(context.getResources())) {
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final SearchIndexableResource sir = new SearchIndexableResource(context);
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sir.xmlResId = R.xml.accessibility_magnification_settings;
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return Arrays.asList(sir);
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} else {
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return Collections.emptyList();
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}
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}
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@Override
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public List<String> getNonIndexableKeys(Context context) {
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List<String> keys = super.getNonIndexableKeys(context);
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keys.add(PREFERENCE_TITLE_KEY);
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return keys;
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}
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};
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}
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