65 lines
2.2 KiB
Java
65 lines
2.2 KiB
Java
/*
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* Copyright (c) 2015 RoboSwag (Gavriil Sitnikov, Vsevolod Ivanov)
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*
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* This file is part of RoboSwag library.
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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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*/
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package ru.touchin.roboswag.components.telephony;
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import android.content.Context;
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import android.support.annotation.NonNull;
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import android.telephony.PhoneStateListener;
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import android.telephony.TelephonyManager;
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import rx.Observable;
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import rx.subjects.BehaviorSubject;
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/**
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* Created by Gavriil Sitnikov on 02/11/2015.
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* TODO: fill description
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*/
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public final class IsCallingObserver {
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private static boolean isCallingState(final int state) {
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return state != TelephonyManager.CALL_STATE_IDLE;
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}
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private final BehaviorSubject<Boolean> isCallingSubject = BehaviorSubject.create();
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private final Observable<Boolean> isCallingObservable;
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public IsCallingObserver(@NonNull final Context context) {
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final TelephonyManager phoneStateManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
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phoneStateManager.listen(new PhoneStateListener() {
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@Override
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public void onCallStateChanged(final int state, final String incomingNumber) {
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super.onCallStateChanged(state, incomingNumber);
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isCallingSubject.onNext(isCallingState(state));
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}
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}, PhoneStateListener.LISTEN_CALL_STATE);
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isCallingSubject.onNext(isCallingState(phoneStateManager.getCallState()));
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isCallingObservable = isCallingSubject
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.distinctUntilChanged()
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.replay(1)
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.refCount();
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}
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@NonNull
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public Observable<Boolean> observeIsCalling() {
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return isCallingObservable;
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}
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}
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