| /* |
| * Copyright (C) 2015 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.tv.settings.system; |
| |
| import android.accessibilityservice.AccessibilityServiceInfo; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.ServiceInfo; |
| import android.os.Bundle; |
| import android.provider.Settings; |
| import android.support.annotation.NonNull; |
| import android.support.v14.preference.SwitchPreference; |
| import android.support.v17.leanback.app.GuidedStepFragment; |
| import android.support.v17.leanback.widget.GuidanceStylist; |
| import android.support.v17.leanback.widget.GuidedAction; |
| import android.support.v17.preference.LeanbackPreferenceFragment; |
| import android.support.v7.preference.CheckBoxPreference; |
| import android.support.v7.preference.Preference; |
| import android.support.v7.preference.PreferenceCategory; |
| import android.support.v7.preference.PreferenceGroup; |
| import android.support.v7.preference.PreferenceScreen; |
| import android.text.TextUtils; |
| import android.view.accessibility.AccessibilityManager; |
| |
| import com.android.settingslib.accessibility.AccessibilityUtils; |
| import com.android.tv.settings.R; |
| |
| import java.util.List; |
| import java.util.Set; |
| |
| public class AccessibilityFragment extends LeanbackPreferenceFragment { |
| private static final String TOGGLE_HIGH_TEXT_CONTRAST_PREFERENCE = |
| "toggle_high_text_contrast_preference"; |
| |
| private PreferenceGroup mServicesPref; |
| |
| public static AccessibilityFragment newInstance() { |
| return new AccessibilityFragment(); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| if (mServicesPref != null) { |
| refreshServices(mServicesPref); |
| } |
| } |
| |
| @Override |
| public void onCreatePreferences(Bundle savedInstanceState, String rootKey) { |
| final Context themedContext = getPreferenceManager().getContext(); |
| final PreferenceScreen screen = |
| getPreferenceManager().createPreferenceScreen(themedContext); |
| screen.setTitle(R.string.system_accessibility); |
| |
| final Preference captionsPreference = new Preference(themedContext); |
| captionsPreference.setTitle(R.string.accessibility_captions); |
| captionsPreference.setIntent(new Intent(Intent.ACTION_MAIN).setComponent( |
| new ComponentName(getActivity(), CaptionSetupActivity.class))); |
| screen.addPreference(captionsPreference); |
| |
| final SwitchPreference highContrastPreference = new SwitchPreference(themedContext); |
| highContrastPreference.setKey(TOGGLE_HIGH_TEXT_CONTRAST_PREFERENCE); |
| highContrastPreference.setPersistent(false); |
| highContrastPreference.setTitle( |
| R.string.accessibility_toggle_high_text_contrast_preference_title); |
| highContrastPreference.setSummary(R.string.experimental_preference); |
| highContrastPreference.setChecked(Settings.Secure.getInt(getContext().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, 0) == 1); |
| screen.addPreference(highContrastPreference); |
| |
| mServicesPref = new PreferenceCategory(themedContext); |
| mServicesPref.setTitle(R.string.system_services); |
| screen.addPreference(mServicesPref); |
| refreshServices(mServicesPref); |
| |
| final Preference ttsPref = new Preference(themedContext); |
| ttsPref.setTitle(R.string.system_accessibility_tts_output); |
| ttsPref.setFragment(TextToSpeechFragment.class.getName()); |
| screen.addPreference(ttsPref); |
| |
| setPreferenceScreen(screen); |
| } |
| |
| @Override |
| public boolean onPreferenceTreeClick(Preference preference) { |
| if (TextUtils.equals(preference.getKey(), TOGGLE_HIGH_TEXT_CONTRAST_PREFERENCE)) { |
| Settings.Secure.putInt(getActivity().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_HIGH_TEXT_CONTRAST_ENABLED, |
| (((SwitchPreference) preference).isChecked() ? 1 : 0)); |
| return true; |
| } else { |
| return super.onPreferenceTreeClick(preference); |
| } |
| } |
| |
| private void refreshServices(PreferenceGroup group) { |
| final List<AccessibilityServiceInfo> installedServiceInfos = AccessibilityManager |
| .getInstance(getActivity()).getInstalledAccessibilityServiceList(); |
| final Set<ComponentName> enabledServices = |
| AccessibilityUtils.getEnabledServicesFromSettings(getActivity()); |
| final boolean accessibilityEnabled = Settings.Secure.getInt( |
| getActivity().getContentResolver(), |
| Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 1; |
| |
| for (final AccessibilityServiceInfo accInfo : installedServiceInfos) { |
| final ServiceInfo serviceInfo = accInfo.getResolveInfo().serviceInfo; |
| final ComponentName componentName = new ComponentName(serviceInfo.packageName, |
| serviceInfo.name); |
| |
| final boolean serviceEnabled = accessibilityEnabled |
| && enabledServices.contains(componentName); |
| |
| final String title = accInfo.getResolveInfo() |
| .loadLabel(getActivity().getPackageManager()).toString(); |
| |
| final String key = "ServicePref:" + componentName.flattenToString(); |
| Preference servicePref = findPreference(key); |
| if (servicePref == null) { |
| servicePref = new Preference(group.getContext()); |
| servicePref.setKey(key); |
| } |
| servicePref.setTitle(title); |
| servicePref.setSummary(serviceEnabled ? R.string.settings_on : R.string.settings_off); |
| servicePref.setFragment(AccessibilityServiceFragment.class.getName()); |
| AccessibilityServiceFragment.prepareArgs(servicePref.getExtras(), |
| serviceInfo.packageName, |
| serviceInfo.name, |
| accInfo.getSettingsActivityName(), |
| title); |
| group.addPreference(servicePref); |
| } |
| } |
| |
| public static class AccessibilityServiceFragment extends LeanbackPreferenceFragment { |
| private static final String ARG_PACKAGE_NAME = "packageName"; |
| private static final String ARG_SERVICE_NAME = "serviceName"; |
| private static final String ARG_SETTINGS_ACTIVITY_NAME = "settingsActivityName"; |
| private static final String ARG_LABEL = "label"; |
| |
| private CheckBoxPreference mEnablePref; |
| |
| public static void prepareArgs(@NonNull Bundle args, String packageName, String serviceName, |
| String activityName, String label) { |
| args.putString(ARG_PACKAGE_NAME, packageName); |
| args.putString(ARG_SERVICE_NAME, serviceName); |
| args.putString(ARG_SETTINGS_ACTIVITY_NAME, activityName); |
| args.putString(ARG_LABEL, label); |
| } |
| |
| @Override |
| public void onCreatePreferences(Bundle savedInstanceState, String rootKey) { |
| final Context themedContext = getPreferenceManager().getContext(); |
| final PreferenceScreen screen = |
| getPreferenceManager().createPreferenceScreen(themedContext); |
| screen.setTitle(getArguments().getString(ARG_LABEL)); |
| |
| mEnablePref = new CheckBoxPreference(themedContext); |
| mEnablePref.setTitle(R.string.system_accessibility_status); |
| mEnablePref.setFragment(EnableDisableConfirmationFragment.class.getName()); |
| screen.addPreference(mEnablePref); |
| |
| final Preference settingsPref = new Preference(themedContext); |
| settingsPref.setTitle(R.string.system_accessibility_config); |
| final String activityName = getArguments().getString(ARG_SETTINGS_ACTIVITY_NAME); |
| if (!TextUtils.isEmpty(activityName)) { |
| final String packageName = getArguments().getString(ARG_PACKAGE_NAME); |
| settingsPref.setIntent(new Intent(Intent.ACTION_MAIN) |
| .setComponent(new ComponentName(packageName, activityName))); |
| } else { |
| settingsPref.setEnabled(false); |
| } |
| screen.addPreference(settingsPref); |
| |
| setPreferenceScreen(screen); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| |
| final String packageName = getArguments().getString(ARG_PACKAGE_NAME); |
| final String serviceName = getArguments().getString(ARG_SERVICE_NAME); |
| |
| final ComponentName serviceComponent = new ComponentName(packageName, serviceName); |
| final Set<ComponentName> enabledServices = |
| AccessibilityUtils.getEnabledServicesFromSettings(getActivity()); |
| final boolean enabled = enabledServices.contains(serviceComponent); |
| |
| mEnablePref.setChecked(enabled); |
| EnableDisableConfirmationFragment.prepareArgs(mEnablePref.getExtras(), |
| new ComponentName(packageName, serviceName), |
| getArguments().getString(ARG_LABEL), !enabled); |
| } |
| |
| public static class EnableDisableConfirmationFragment extends GuidedStepFragment { |
| private static final String ARG_LABEL = "label"; |
| private static final String ARG_COMPONENT = "component"; |
| private static final String ARG_ENABLING = "enabling"; |
| |
| public static void prepareArgs(@NonNull Bundle args, ComponentName cn, String label, |
| boolean enabling) { |
| args.putParcelable(ARG_COMPONENT, cn); |
| args.putString(ARG_LABEL, label); |
| args.putBoolean(ARG_ENABLING, enabling); |
| } |
| |
| @NonNull |
| @Override |
| public GuidanceStylist.Guidance onCreateGuidance(Bundle savedInstanceState) { |
| final String label = getArguments().getString(ARG_LABEL); |
| if (getArguments().getBoolean(ARG_ENABLING)) { |
| return new GuidanceStylist.Guidance( |
| getString(R.string.system_accessibility_service_on_confirm_title, |
| label), |
| getString(R.string.system_accessibility_service_on_confirm_desc, |
| label), |
| null, |
| getActivity().getDrawable(R.drawable.ic_accessibility_new_132dp) |
| ); |
| } else { |
| return new GuidanceStylist.Guidance( |
| getString(R.string.system_accessibility_service_off_confirm_title, |
| label), |
| getString(R.string.system_accessibility_service_off_confirm_desc, |
| label), |
| null, |
| getActivity().getDrawable(R.drawable.ic_accessibility_new_132dp) |
| ); |
| } |
| } |
| |
| @Override |
| public void onCreateActions(@NonNull List<GuidedAction> actions, |
| Bundle savedInstanceState) { |
| final Context context = getActivity(); |
| actions.add(new GuidedAction.Builder(context) |
| .clickAction(GuidedAction.ACTION_ID_OK).build()); |
| actions.add(new GuidedAction.Builder(context) |
| .clickAction(GuidedAction.ACTION_ID_CANCEL).build()); |
| } |
| |
| @Override |
| public void onGuidedActionClicked(GuidedAction action) { |
| if (action.getId() == GuidedAction.ACTION_ID_OK) { |
| final ComponentName component = getArguments().getParcelable(ARG_COMPONENT); |
| AccessibilityUtils.setAccessibilityServiceState(getActivity(), |
| component, getArguments().getBoolean(ARG_ENABLING)); |
| getFragmentManager().popBackStack(); |
| } else if (action.getId() == GuidedAction.ACTION_ID_CANCEL) { |
| getFragmentManager().popBackStack(); |
| } else { |
| super.onGuidedActionClicked(action); |
| } |
| } |
| } |
| } |
| } |