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.development; 18 19 import android.content.Context; 20 import android.os.Build; 21 import android.os.SystemProperties; 22 import android.text.TextUtils; 23 24 import androidx.annotation.VisibleForTesting; 25 import androidx.preference.ListPreference; 26 import androidx.preference.Preference; 27 28 import com.android.settings.R; 29 import com.android.settings.core.PreferenceControllerMixin; 30 import com.android.settingslib.development.DeveloperOptionsPreferenceController; 31 import com.android.settingslib.development.SystemPropPoker; 32 33 public class HdcpCheckingPreferenceController extends DeveloperOptionsPreferenceController 34 implements Preference.OnPreferenceChangeListener, PreferenceControllerMixin { 35 36 private static final String HDCP_CHECKING_KEY = "hdcp_checking"; 37 38 @VisibleForTesting 39 static final String HDCP_CHECKING_PROPERTY = "persist.sys.hdcp_checking"; 40 @VisibleForTesting 41 static final String USER_BUILD_TYPE = "user"; 42 43 private final String[] mListValues; 44 private final String[] mListSummaries; 45 HdcpCheckingPreferenceController(Context context)46 public HdcpCheckingPreferenceController(Context context) { 47 super(context); 48 49 mListValues = mContext.getResources().getStringArray(R.array.hdcp_checking_values); 50 mListSummaries = mContext.getResources().getStringArray(R.array.hdcp_checking_summaries); 51 } 52 53 @Override isAvailable()54 public boolean isAvailable() { 55 return !TextUtils.equals(USER_BUILD_TYPE, getBuildType()); 56 } 57 58 @Override getPreferenceKey()59 public String getPreferenceKey() { 60 return HDCP_CHECKING_KEY; 61 } 62 63 @Override onPreferenceChange(Preference preference, Object newValue)64 public boolean onPreferenceChange(Preference preference, Object newValue) { 65 SystemProperties.set(HDCP_CHECKING_PROPERTY, newValue.toString()); 66 updateHdcpValues((ListPreference) mPreference); 67 SystemPropPoker.getInstance().poke(); 68 return true; 69 } 70 71 @Override updateState(Preference preference)72 public void updateState(Preference preference) { 73 updateHdcpValues((ListPreference) mPreference); 74 } 75 updateHdcpValues(ListPreference preference)76 private void updateHdcpValues(ListPreference preference) { 77 final String currentValue = SystemProperties.get(HDCP_CHECKING_PROPERTY); 78 int index = 1; // Defaults to drm-only. Needs to match with R.array.hdcp_checking_values 79 for (int i = 0; i < mListValues.length; i++) { 80 if (TextUtils.equals(currentValue, mListValues[i])) { 81 index = i; 82 break; 83 } 84 } 85 preference.setValue(mListValues[index]); 86 preference.setSummary(mListSummaries[index]); 87 } 88 89 @VisibleForTesting getBuildType()90 public String getBuildType() { 91 return Build.TYPE; 92 } 93 } 94