1 /* 2 * Copyright (C) 2016 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.packageinstaller.permission.ui.handheld; 18 19 import android.content.Context; 20 import android.preference.PreferenceScreen; 21 import android.preference.SwitchPreference; 22 import android.util.AttributeSet; 23 import android.view.View; 24 import android.widget.TextView; 25 26 import com.android.packageinstaller.R; 27 import com.android.settingslib.RestrictedLockUtils; 28 29 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; 30 31 public class RestrictedSwitchPreference extends SwitchPreference { 32 private final Context mContext; 33 private boolean mDisabledByAdmin; 34 private EnforcedAdmin mEnforcedAdmin; 35 private final int mSwitchWidgetResId; 36 RestrictedSwitchPreference(Context context)37 public RestrictedSwitchPreference(Context context) { 38 super(context); 39 mSwitchWidgetResId = getWidgetLayoutResource(); 40 mContext = context; 41 } 42 43 @Override onBindView(View view)44 public void onBindView(View view) { 45 super.onBindView(view); 46 if (mDisabledByAdmin) { 47 view.setEnabled(true); 48 } 49 if (mDisabledByAdmin) { 50 final TextView summaryView = (TextView) view.findViewById(android.R.id.summary); 51 if (summaryView != null) { 52 summaryView.setText( 53 isChecked() ? R.string.enabled_by_admin : R.string.disabled_by_admin); 54 summaryView.setVisibility(View.VISIBLE); 55 } 56 } 57 } 58 59 @Override setEnabled(boolean enabled)60 public void setEnabled(boolean enabled) { 61 if (enabled && mDisabledByAdmin) { 62 setDisabledByAdmin(null); 63 } else { 64 super.setEnabled(enabled); 65 } 66 } 67 setDisabledByAdmin(EnforcedAdmin admin)68 public void setDisabledByAdmin(EnforcedAdmin admin) { 69 final boolean disabled = (admin != null ? true : false); 70 mEnforcedAdmin = admin; 71 if (mDisabledByAdmin != disabled) { 72 mDisabledByAdmin = disabled; 73 setWidgetLayoutResource(disabled ? R.layout.restricted_icon : mSwitchWidgetResId); 74 setEnabled(!disabled); 75 } 76 } 77 78 @Override performClick(PreferenceScreen preferenceScreen)79 public void performClick(PreferenceScreen preferenceScreen) { 80 if (mDisabledByAdmin) { 81 RestrictedLockUtils.sendShowAdminSupportDetailsIntent(mContext, mEnforcedAdmin); 82 } else { 83 super.performClick(preferenceScreen); 84 } 85 } 86 }