| /* |
| * 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.gestures; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.provider.Settings; |
| import android.support.v7.preference.Preference; |
| import android.support.v7.preference.PreferenceScreen; |
| import android.support.v7.preference.TwoStatePreference; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.settings.R; |
| import com.android.settings.overlay.FeatureFactory; |
| import com.android.settings.search.DatabaseIndexingUtils; |
| import com.android.settings.search.InlineSwitchPayload; |
| import com.android.settings.search.ResultPayload; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| import com.android.settingslib.core.lifecycle.events.OnResume; |
| |
| import static android.provider.Settings.Secure.ASSIST_GESTURE_ENABLED; |
| |
| public class AssistGesturePreferenceController extends GesturePreferenceController |
| implements OnResume { |
| |
| private final int ON = 1; |
| private final int OFF = 0; |
| |
| private static final String PREF_KEY_VIDEO = "gesture_assist_video"; |
| private final String mAssistGesturePrefKey; |
| |
| private final String SECURE_KEY = ASSIST_GESTURE_ENABLED; |
| |
| private final AssistGestureFeatureProvider mFeatureProvider; |
| private boolean mWasAvailable; |
| |
| private PreferenceScreen mScreen; |
| private Preference mPreference; |
| |
| @VisibleForTesting |
| boolean mAssistOnly; |
| |
| public AssistGesturePreferenceController(Context context, Lifecycle lifecycle, String key, |
| boolean assistOnly) { |
| super(context, lifecycle); |
| mFeatureProvider = FeatureFactory.getFactory(context).getAssistGestureFeatureProvider(); |
| mWasAvailable = isAvailable(); |
| mAssistGesturePrefKey = key; |
| mAssistOnly = assistOnly; |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| if (mAssistOnly) { |
| return mFeatureProvider.isSupported(mContext); |
| } else { |
| return mFeatureProvider.isSensorAvailable(mContext); |
| } |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| mScreen = screen; |
| mPreference = screen.findPreference(getPreferenceKey()); |
| if (!mFeatureProvider.isSensorAvailable(mContext)) { |
| removePreference(mScreen, getPreferenceKey()); |
| return; |
| } |
| if (!mFeatureProvider.isSupported(mContext)) { |
| mScreen.removePreference(mPreference); |
| return; |
| } |
| // Call super last or AbstractPreferenceController might remove the preference from the |
| // screen (if !isAvailable()) before we can save a reference to it. |
| super.displayPreference(screen); |
| } |
| |
| @Override |
| public void onResume() { |
| // This check must be done in case the user disables Assistant while still on the settings |
| // page. This check is slightly different than isAvailable() in some cases due to this |
| // setting being in multiple places that require different behavior |
| if (mScreen != null && !mFeatureProvider.isSupported(mContext)) { |
| mScreen.removePreference(mPreference); |
| mWasAvailable = false; |
| return; |
| } |
| if (mWasAvailable != isAvailable()) { |
| // Only update the preference visibility if the availability has changed -- otherwise |
| // the preference may be incorrectly added to screens with collapsed sections. |
| updatePreference(); |
| mWasAvailable = isAvailable(); |
| } |
| } |
| |
| private void updatePreference() { |
| if (mPreference == null) { |
| return; |
| } |
| |
| if (mFeatureProvider.isSupported(mContext)) { |
| if (mScreen.findPreference(getPreferenceKey()) == null) { |
| mScreen.addPreference(mPreference); |
| } |
| } else { |
| mScreen.removePreference(mPreference); |
| } |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| boolean isEnabled = isSwitchPrefEnabled() && mFeatureProvider.isSupported(mContext); |
| |
| if (!mAssistOnly) { |
| boolean assistGestureSilenceEnabled = Settings.Secure.getInt( |
| mContext.getContentResolver(), |
| Settings.Secure.ASSIST_GESTURE_SILENCE_ALERTS_ENABLED, 1) != 0; |
| isEnabled = isEnabled || assistGestureSilenceEnabled; |
| } |
| |
| if (preference != null) { |
| if (preference instanceof TwoStatePreference) { |
| ((TwoStatePreference) preference).setChecked(isSwitchPrefEnabled()); |
| } else { |
| preference.setSummary(isEnabled |
| ? R.string.gesture_setting_on |
| : R.string.gesture_setting_off); |
| } |
| } |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| final boolean enabled = (boolean) newValue; |
| Settings.Secure.putInt(mContext.getContentResolver(), SECURE_KEY, enabled ? ON : OFF); |
| updateState(preference); |
| return true; |
| } |
| |
| @Override |
| protected String getVideoPrefKey() { |
| return PREF_KEY_VIDEO; |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return mAssistGesturePrefKey; |
| } |
| |
| @Override |
| protected boolean isSwitchPrefEnabled() { |
| final int assistGestureEnabled = Settings.Secure.getInt(mContext.getContentResolver(), |
| SECURE_KEY, ON); |
| return assistGestureEnabled != 0; |
| } |
| |
| @Override |
| public ResultPayload getResultPayload() { |
| final Intent intent = DatabaseIndexingUtils.buildSubsettingIntent(mContext, |
| AssistGestureSettings.class.getName(), mAssistGesturePrefKey, |
| mContext.getString(R.string.display_settings)); |
| |
| return new InlineSwitchPayload(SECURE_KEY, ResultPayload.SettingsSource.SECURE, |
| ON /* onValue */, intent, isAvailable(), ON /* defaultValue */); |
| } |
| } |