| /* |
| * Copyright (C) 2017 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.settings.applications.assist; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.net.Uri; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| import androidx.preference.TwoStatePreference; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.app.AssistUtils; |
| import com.android.settings.core.PreferenceControllerMixin; |
| import com.android.settingslib.core.AbstractPreferenceController; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnPause; |
| import com.android.settingslib.core.lifecycle.events.OnResume; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public class AssistFlashScreenPreferenceController extends AbstractPreferenceController |
| implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener, |
| LifecycleObserver, OnResume, OnPause { |
| |
| private static final String KEY_FLASH = "flash"; |
| |
| private final AssistUtils mAssistUtils; |
| private final SettingObserver mSettingObserver; |
| private PreferenceScreen mScreen; |
| private Preference mPreference; |
| |
| public AssistFlashScreenPreferenceController(Context context, Lifecycle lifecycle) { |
| super(context); |
| mAssistUtils = new AssistUtils(context); |
| mSettingObserver = new SettingObserver(); |
| |
| if (lifecycle != null) { |
| lifecycle.addObserver(this); |
| } |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return getCurrentAssist() != null && allowDisablingAssistDisclosure(); |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY_FLASH; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| mScreen = screen; |
| mPreference = screen.findPreference(getPreferenceKey()); |
| super.displayPreference(screen); |
| } |
| |
| @Override |
| public void onResume() { |
| mSettingObserver.register(mContext.getContentResolver(), true); |
| updatePreference(); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| updatePreference(); |
| } |
| |
| @Override |
| public void onPause() { |
| mSettingObserver.register(mContext.getContentResolver(), false); |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| Settings.Secure.putInt(mContext.getContentResolver(), |
| Settings.Secure.ASSIST_DISCLOSURE_ENABLED, |
| (boolean) newValue ? 1 : 0); |
| return true; |
| } |
| |
| private void updatePreference() { |
| if (mPreference == null || !(mPreference instanceof TwoStatePreference)) { |
| return; |
| } |
| if (isAvailable()) { |
| if (mScreen.findPreference(getPreferenceKey()) == null) { |
| // add it if it's not on scree |
| mScreen.addPreference(mPreference); |
| } |
| } else { |
| mScreen.removePreference(mPreference); |
| } |
| ComponentName assistant = getCurrentAssist(); |
| |
| boolean isContextChecked = AssistContextPreferenceController.isChecked(mContext); |
| |
| mPreference.setEnabled(isContextChecked && isPreInstalledAssistant(assistant)); |
| ((TwoStatePreference) mPreference).setChecked(willShowFlash(assistant)); |
| } |
| |
| @VisibleForTesting |
| boolean willShowFlash(ComponentName assistant) { |
| return AssistUtils.shouldDisclose(mContext, assistant); |
| } |
| |
| @VisibleForTesting |
| boolean isPreInstalledAssistant(ComponentName assistant) { |
| return AssistUtils.isPreinstalledAssistant(mContext, assistant); |
| } |
| |
| @VisibleForTesting |
| boolean allowDisablingAssistDisclosure() { |
| return AssistUtils.allowDisablingAssistDisclosure(mContext); |
| } |
| |
| private ComponentName getCurrentAssist() { |
| return mAssistUtils.getAssistComponentForUser(UserHandle.myUserId()); |
| } |
| |
| class SettingObserver extends AssistSettingObserver { |
| |
| private final Uri URI = |
| Settings.Secure.getUriFor(Settings.Secure.ASSIST_DISCLOSURE_ENABLED); |
| private final Uri CONTEXT_URI = |
| Settings.Secure.getUriFor(Settings.Secure.ASSIST_STRUCTURE_ENABLED); |
| |
| @Override |
| protected List<Uri> getSettingUris() { |
| return Arrays.asList(URI, CONTEXT_URI); |
| } |
| |
| @Override |
| public void onSettingChange() { |
| updatePreference(); |
| } |
| } |
| |
| |
| } |