| /* |
| * Copyright (C) 2016 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.internal.policy; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.os.Build; |
| import android.os.UserHandle; |
| import android.provider.Settings; |
| |
| /** |
| * A class that manages emergency affordances and enables immediate calling to emergency services |
| */ |
| public class EmergencyAffordanceManager { |
| |
| public static final boolean ENABLED = true; |
| |
| /** |
| * Global setting override with the number to call with the emergency affordance. |
| * @hide |
| */ |
| private static final String EMERGENCY_CALL_NUMBER_SETTING = "emergency_affordance_number"; |
| |
| /** |
| * Global setting, whether the emergency affordance should be shown regardless of device state. |
| * The value is a boolean (1 or 0). |
| * @hide |
| */ |
| private static final String FORCE_EMERGENCY_AFFORDANCE_SETTING = "force_emergency_affordance"; |
| |
| private final Context mContext; |
| |
| public EmergencyAffordanceManager(Context context) { |
| mContext = context; |
| } |
| |
| /** |
| * perform an emergency call. |
| */ |
| public final void performEmergencyCall() { |
| performEmergencyCall(mContext); |
| } |
| |
| private static Uri getPhoneUri(Context context) { |
| String number = context.getResources().getString( |
| com.android.internal.R.string.config_emergency_call_number); |
| if (Build.IS_DEBUGGABLE) { |
| String override = Settings.Global.getString( |
| context.getContentResolver(), EMERGENCY_CALL_NUMBER_SETTING); |
| if (override != null) { |
| number = override; |
| } |
| } |
| return Uri.fromParts("tel", number, null); |
| } |
| |
| private static void performEmergencyCall(Context context) { |
| Intent intent = new Intent(Intent.ACTION_CALL_EMERGENCY); |
| intent.setData(getPhoneUri(context)); |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); |
| context.startActivityAsUser(intent, UserHandle.CURRENT); |
| } |
| |
| /** |
| * @return whether emergency affordance should be active. |
| */ |
| public boolean needsEmergencyAffordance() { |
| if (!ENABLED) { |
| return false; |
| } |
| if (forceShowing()) { |
| return true; |
| } |
| return isEmergencyAffordanceNeeded(); |
| } |
| |
| private boolean isEmergencyAffordanceNeeded() { |
| return Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.EMERGENCY_AFFORDANCE_NEEDED, 0) != 0; |
| } |
| |
| |
| private boolean forceShowing() { |
| return Settings.Global.getInt(mContext.getContentResolver(), |
| FORCE_EMERGENCY_AFFORDANCE_SETTING, 0) != 0; |
| } |
| } |