1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.dream; 18 19 import android.content.Context; 20 import android.widget.Button; 21 22 import androidx.preference.Preference; 23 import androidx.preference.PreferenceScreen; 24 25 import com.android.settings.R; 26 import com.android.settings.core.PreferenceControllerMixin; 27 import com.android.settingslib.core.AbstractPreferenceController; 28 import com.android.settingslib.dream.DreamBackend; 29 import com.android.settingslib.widget.LayoutPreference; 30 31 public class StartNowPreferenceController extends AbstractPreferenceController implements 32 PreferenceControllerMixin { 33 private static final String TAG = "StartNowPreferenceController"; 34 private static final String PREF_KEY = "dream_start_now_button_container"; 35 private final DreamBackend mBackend; 36 StartNowPreferenceController(Context context)37 public StartNowPreferenceController(Context context) { 38 super(context); 39 40 mBackend = DreamBackend.getInstance(context); 41 } 42 43 @Override isAvailable()44 public boolean isAvailable() { 45 return true; 46 } 47 48 @Override getPreferenceKey()49 public String getPreferenceKey() { 50 return PREF_KEY; 51 } 52 53 @Override displayPreference(PreferenceScreen screen)54 public void displayPreference(PreferenceScreen screen) { 55 super.displayPreference(screen); 56 57 LayoutPreference pref = screen.findPreference(getPreferenceKey()); 58 Button startButton = pref.findViewById(R.id.dream_start_now_button); 59 startButton.setOnClickListener(v -> mBackend.startDreaming()); 60 } 61 62 @Override updateState(Preference preference)63 public void updateState(Preference preference) { 64 super.updateState(preference); 65 66 Button startButton = ((LayoutPreference) preference) 67 .findViewById(R.id.dream_start_now_button); 68 startButton.setEnabled(mBackend.getWhenToDreamSetting() != DreamBackend.NEVER); 69 } 70 } 71