109 lines
3.5 KiB
Java
109 lines
3.5 KiB
Java
/*
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* Copyright (C) 2016 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.gestures;
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import android.content.Context;
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import android.os.Bundle;
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import androidx.annotation.VisibleForTesting;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import androidx.preference.TwoStatePreference;
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import com.android.settings.R;
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import com.android.settings.core.TogglePreferenceController;
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import com.android.settings.widget.VideoPreference;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnCreate;
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import com.android.settingslib.core.lifecycle.events.OnPause;
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import com.android.settingslib.core.lifecycle.events.OnResume;
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import com.android.settingslib.core.lifecycle.events.OnSaveInstanceState;
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public abstract class GesturePreferenceController extends TogglePreferenceController
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implements Preference.OnPreferenceChangeListener,
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LifecycleObserver, OnResume, OnPause, OnCreate, OnSaveInstanceState {
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@VisibleForTesting
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static final String KEY_VIDEO_PAUSED = "key_video_paused";
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private VideoPreference mVideoPreference;
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@VisibleForTesting
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boolean mVideoPaused;
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public GesturePreferenceController(Context context, String key) {
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super(context, key);
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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if (isAvailable()) {
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mVideoPreference = (VideoPreference) screen.findPreference(getVideoPrefKey());
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}
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}
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@Override
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public void updateState(Preference preference) {
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super.updateState(preference);
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if (preference != null) {
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if (!(preference instanceof TwoStatePreference)) {
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preference.setSummary(getSummary());
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}
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// Different meanings of "Enabled" for the Preference and Controller.
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preference.setEnabled(canHandleClicks());
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}
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}
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@Override
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public CharSequence getSummary() {
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return mContext.getText(
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isChecked() ? R.string.gesture_setting_on : R.string.gesture_setting_off);
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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if (savedInstanceState != null) {
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mVideoPaused = savedInstanceState.getBoolean(KEY_VIDEO_PAUSED, false);
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}
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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outState.putBoolean(KEY_VIDEO_PAUSED, mVideoPaused);
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}
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@Override
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public void onPause() {
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if (mVideoPreference != null) {
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mVideoPaused = mVideoPreference.isVideoPaused();
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mVideoPreference.onViewInvisible();
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}
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}
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@Override
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public void onResume() {
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if (mVideoPreference != null) {
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mVideoPreference.onViewVisible(mVideoPaused);
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}
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}
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protected abstract String getVideoPrefKey();
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protected boolean canHandleClicks() {
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return true;
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}
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}
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