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/*
* Copyright (C) 2013 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 android.telecom;
import android.annotation.SystemApi;
import android.os.Bundle;
import android.util.ArrayMap;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.CopyOnWriteArrayList;
/**
* A unified virtual device providing a means of voice (and other) communication on a device.
*
* @hide
* @deprecated Use {@link InCallService} directly instead of using this class.
*/
@SystemApi
@Deprecated
public final class Phone {
public abstract static class Listener {
/**
* Called when the audio state changes.
*
* @param phone The {@code Phone} calling this method.
* @param audioState The new {@link AudioState}.
*
* @deprecated Use {@link #onCallAudioStateChanged(Phone, CallAudioState)} instead.
*/
@Deprecated
public void onAudioStateChanged(Phone phone, AudioState audioState) { }
/**
* Called when the audio state changes.
*
* @param phone The {@code Phone} calling this method.
* @param callAudioState The new {@link CallAudioState}.
*/
public void onCallAudioStateChanged(Phone phone, CallAudioState callAudioState) { }
/**
* Called to bring the in-call screen to the foreground. The in-call experience should
* respond immediately by coming to the foreground to inform the user of the state of
* ongoing {@code Call}s.
*
* @param phone The {@code Phone} calling this method.
* @param showDialpad If true, put up the dialpad when the screen is shown.
*/
public void onBringToForeground(Phone phone, boolean showDialpad) { }
/**
* Called when a {@code Call} has been added to this in-call session. The in-call user
* experience should add necessary state listeners to the specified {@code Call} and
* immediately start to show the user information about the existence
* and nature of this {@code Call}. Subsequent invocations of {@link #getCalls()} will
* include this {@code Call}.
*
* @param phone The {@code Phone} calling this method.
* @param call A newly added {@code Call}.
*/
public void onCallAdded(Phone phone, Call call) { }
/**
* Called when a {@code Call} has been removed from this in-call session. The in-call user
* experience should remove any state listeners from the specified {@code Call} and
* immediately stop displaying any information about this {@code Call}.
* Subsequent invocations of {@link #getCalls()} will no longer include this {@code Call}.
*
* @param phone The {@code Phone} calling this method.
* @param call A newly removed {@code Call}.
*/
public void onCallRemoved(Phone phone, Call call) { }
/**
* Called when the {@code Phone} ability to add more calls changes. If the phone cannot
* support more calls then {@code canAddCall} is set to {@code false}. If it can, then it
* is set to {@code true}.
*
* @param phone The {@code Phone} calling this method.
* @param canAddCall Indicates whether an additional call can be added.
*/
public void onCanAddCallChanged(Phone phone, boolean canAddCall) { }
/**
* Called to silence the ringer if a ringing call exists.
*
* @param phone The {@code Phone} calling this method.
*/
public void onSilenceRinger(Phone phone) { }
}
// A Map allows us to track each Call by its Telecom-specified call ID
private final Map<String, Call> mCallByTelecomCallId = new ArrayMap<>();
// A List allows us to keep the Calls in a stable iteration order so that casually developed
// user interface components do not incur any spurious jank
private final List<Call> mCalls = new CopyOnWriteArrayList<>();
// An unmodifiable view of the above List can be safely shared with subclass implementations
private final List<Call> mUnmodifiableCalls = Collections.unmodifiableList(mCalls);
private final InCallAdapter mInCallAdapter;
private CallAudioState mCallAudioState;
private final List<Listener> mListeners = new CopyOnWriteArrayList<>();
private boolean mCanAddCall = true;
Phone(InCallAdapter adapter) {
mInCallAdapter = adapter;
}
final void internalAddCall(ParcelableCall parcelableCall) {
Call call = new Call(this, parcelableCall.getId(), mInCallAdapter,
parcelableCall.getState());
mCallByTelecomCallId.put(parcelableCall.getId(), call);
mCalls.add(call);
checkCallTree(parcelableCall);
call.internalUpdate(parcelableCall, mCallByTelecomCallId);
fireCallAdded(call);
}
final void internalRemoveCall(Call call) {
mCallByTelecomCallId.remove(call.internalGetCallId());
mCalls.remove(call);
InCallService.VideoCall videoCall = call.getVideoCall();
if (videoCall != null) {
videoCall.destroy();
}
fireCallRemoved(call);
}
final void internalUpdateCall(ParcelableCall parcelableCall) {
Call call = mCallByTelecomCallId.get(parcelableCall.getId());
if (call != null) {
checkCallTree(parcelableCall);
call.internalUpdate(parcelableCall, mCallByTelecomCallId);
}
}
final void internalSetPostDialWait(String telecomId, String remaining) {
Call call = mCallByTelecomCallId.get(telecomId);
if (call != null) {
call.internalSetPostDialWait(remaining);
}
}
final void internalCallAudioStateChanged(CallAudioState callAudioState) {
if (!Objects.equals(mCallAudioState, callAudioState)) {
mCallAudioState = callAudioState;
fireCallAudioStateChanged(callAudioState);
}
}
final Call internalGetCallByTelecomId(String telecomId) {
return mCallByTelecomCallId.get(telecomId);
}
final void internalBringToForeground(boolean showDialpad) {
fireBringToForeground(showDialpad);
}
final void internalSetCanAddCall(boolean canAddCall) {
if (mCanAddCall != canAddCall) {
mCanAddCall = canAddCall;
fireCanAddCallChanged(canAddCall);
}
}
final void internalSilenceRinger() {
fireSilenceRinger();
}
final void internalOnConnectionEvent(String telecomId, String event, Bundle extras) {
Call call = mCallByTelecomCallId.get(telecomId);
if (call != null) {
call.internalOnConnectionEvent(event, extras);
}
}
/**
* Called to destroy the phone and cleanup any lingering calls.
*/
final void destroy() {
for (Call call : mCalls) {
InCallService.VideoCall videoCall = call.getVideoCall();
if (videoCall != null) {
videoCall.destroy();
}
if (call.getState() != Call.STATE_DISCONNECTED) {
call.internalSetDisconnected();
}
}
}
/**
* Adds a listener to this {@code Phone}.
*
* @param listener A {@code Listener} object.
*/
public final void addListener(Listener listener) {
mListeners.add(listener);
}
/**
* Removes a listener from this {@code Phone}.
*
* @param listener A {@code Listener} object.
*/
public final void removeListener(Listener listener) {
if (listener != null) {
mListeners.remove(listener);
}
}
/**
* Obtains the current list of {@code Call}s to be displayed by this in-call experience.
*
* @return A list of the relevant {@code Call}s.
*/
public final List<Call> getCalls() {
return mUnmodifiableCalls;
}
/**
* Returns if the {@code Phone} can support additional calls.
*
* @return Whether the phone supports adding more calls.
*/
public final boolean canAddCall() {
return mCanAddCall;
}
/**
* Sets the microphone mute state. When this request is honored, there will be change to
* the {@link #getAudioState()}.
*
* @param state {@code true} if the microphone should be muted; {@code false} otherwise.
*/
public final void setMuted(boolean state) {
mInCallAdapter.mute(state);
}
/**
* Sets the audio route (speaker, bluetooth, etc...). When this request is honored, there will
* be change to the {@link #getAudioState()}.
*
* @param route The audio route to use.
*/
public final void setAudioRoute(int route) {
mInCallAdapter.setAudioRoute(route);
}
/**
* Turns the proximity sensor on. When this request is made, the proximity sensor will
* become active, and the touch screen and display will be turned off when the user's face
* is detected to be in close proximity to the screen. This operation is a no-op on devices
* that do not have a proximity sensor.
*
* @hide
*/
public final void setProximitySensorOn() {
mInCallAdapter.turnProximitySensorOn();
}
/**
* Turns the proximity sensor off. When this request is made, the proximity sensor will
* become inactive, and no longer affect the touch screen and display. This operation is a
* no-op on devices that do not have a proximity sensor.
*
* @param screenOnImmediately If true, the screen will be turned on immediately if it was
* previously off. Otherwise, the screen will only be turned on after the proximity sensor
* is no longer triggered.
*
* @hide
*/
public final void setProximitySensorOff(boolean screenOnImmediately) {
mInCallAdapter.turnProximitySensorOff(screenOnImmediately);
}
/**
* Obtains the current phone call audio state of the {@code Phone}.
*
* @return An object encapsulating the audio state.
* @deprecated Use {@link #getCallAudioState()} instead.
*/
@Deprecated
public final AudioState getAudioState() {
return new AudioState(mCallAudioState);
}
/**
* Obtains the current phone call audio state of the {@code Phone}.
*
* @return An object encapsulating the audio state.
*/
public final CallAudioState getCallAudioState() {
return mCallAudioState;
}
private void fireCallAdded(Call call) {
for (Listener listener : mListeners) {
listener.onCallAdded(this, call);
}
}
private void fireCallRemoved(Call call) {
for (Listener listener : mListeners) {
listener.onCallRemoved(this, call);
}
}
private void fireCallAudioStateChanged(CallAudioState audioState) {
for (Listener listener : mListeners) {
listener.onCallAudioStateChanged(this, audioState);
listener.onAudioStateChanged(this, new AudioState(audioState));
}
}
private void fireBringToForeground(boolean showDialpad) {
for (Listener listener : mListeners) {
listener.onBringToForeground(this, showDialpad);
}
}
private void fireCanAddCallChanged(boolean canAddCall) {
for (Listener listener : mListeners) {
listener.onCanAddCallChanged(this, canAddCall);
}
}
private void fireSilenceRinger() {
for (Listener listener : mListeners) {
listener.onSilenceRinger(this);
}
}
private void checkCallTree(ParcelableCall parcelableCall) {
if (parcelableCall.getChildCallIds() != null) {
for (int i = 0; i < parcelableCall.getChildCallIds().size(); i++) {
if (!mCallByTelecomCallId.containsKey(parcelableCall.getChildCallIds().get(i))) {
Log.wtf(this, "ParcelableCall %s has nonexistent child %s",
parcelableCall.getId(), parcelableCall.getChildCallIds().get(i));
}
}
}
}
}