87b73f370e
- Remove VideoState class. - Replace references to VideoState constants with VideoProfile equivalent. - Push VideoState static methods into VideoProfile. Bug: 21573551 Change-Id: I1bca02772b5b7d86643f612824b07faef7618725
636 lines
21 KiB
Java
636 lines
21 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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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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package android.telecom;
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import android.annotation.Nullable;
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import android.annotation.SystemApi;
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import android.os.Bundle;
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import android.telecom.Connection.VideoProvider;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Locale;
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import java.util.Set;
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import java.util.concurrent.CopyOnWriteArrayList;
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import java.util.concurrent.CopyOnWriteArraySet;
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/**
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* Represents a conference call which can contain any number of {@link Connection} objects.
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*/
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public abstract class Conference extends Conferenceable {
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/**
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* Used to indicate that the conference connection time is not specified. If not specified,
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* Telecom will set the connect time.
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*/
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public static final long CONNECT_TIME_NOT_SPECIFIED = 0;
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/** @hide */
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public abstract static class Listener {
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public void onStateChanged(Conference conference, int oldState, int newState) {}
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public void onDisconnected(Conference conference, DisconnectCause disconnectCause) {}
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public void onConnectionAdded(Conference conference, Connection connection) {}
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public void onConnectionRemoved(Conference conference, Connection connection) {}
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public void onConferenceableConnectionsChanged(
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Conference conference, List<Connection> conferenceableConnections) {}
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public void onDestroyed(Conference conference) {}
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public void onConnectionCapabilitiesChanged(
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Conference conference, int connectionCapabilities) {}
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public void onVideoStateChanged(Conference c, int videoState) { }
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public void onVideoProviderChanged(Conference c, Connection.VideoProvider videoProvider) {}
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public void onStatusHintsChanged(Conference conference, StatusHints statusHints) {}
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public void onExtrasChanged(Conference conference, Bundle extras) {}
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}
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private final Set<Listener> mListeners = new CopyOnWriteArraySet<>();
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private final List<Connection> mChildConnections = new CopyOnWriteArrayList<>();
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private final List<Connection> mUnmodifiableChildConnections =
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Collections.unmodifiableList(mChildConnections);
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private final List<Connection> mConferenceableConnections = new ArrayList<>();
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private final List<Connection> mUnmodifiableConferenceableConnections =
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Collections.unmodifiableList(mConferenceableConnections);
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private PhoneAccountHandle mPhoneAccount;
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private CallAudioState mCallAudioState;
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private int mState = Connection.STATE_NEW;
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private DisconnectCause mDisconnectCause;
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private int mConnectionCapabilities;
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private String mDisconnectMessage;
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private long mConnectTimeMillis = CONNECT_TIME_NOT_SPECIFIED;
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private StatusHints mStatusHints;
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private Bundle mExtras;
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private final Connection.Listener mConnectionDeathListener = new Connection.Listener() {
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@Override
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public void onDestroyed(Connection c) {
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if (mConferenceableConnections.remove(c)) {
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fireOnConferenceableConnectionsChanged();
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}
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}
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};
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/**
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* Constructs a new Conference with a mandatory {@link PhoneAccountHandle}
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*
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* @param phoneAccount The {@code PhoneAccountHandle} associated with the conference.
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*/
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public Conference(PhoneAccountHandle phoneAccount) {
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mPhoneAccount = phoneAccount;
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}
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/**
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* Returns the {@link PhoneAccountHandle} the conference call is being placed through.
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*
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* @return A {@code PhoneAccountHandle} object representing the PhoneAccount of the conference.
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*/
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public final PhoneAccountHandle getPhoneAccountHandle() {
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return mPhoneAccount;
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}
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/**
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* Returns the list of connections currently associated with the conference call.
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*
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* @return A list of {@code Connection} objects which represent the children of the conference.
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*/
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public final List<Connection> getConnections() {
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return mUnmodifiableChildConnections;
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}
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/**
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* Gets the state of the conference call. See {@link Connection} for valid values.
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*
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* @return A constant representing the state the conference call is currently in.
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*/
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public final int getState() {
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return mState;
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}
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/**
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* Returns the capabilities of the conference. See {@code CAPABILITY_*} constants in class
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* {@link Connection} for valid values.
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*
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* @return A bitmask of the capabilities of the conference call.
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*/
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public final int getConnectionCapabilities() {
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return mConnectionCapabilities;
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}
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/**
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* Whether the given capabilities support the specified capability.
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*
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* @param capabilities A capability bit field.
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* @param capability The capability to check capabilities for.
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* @return Whether the specified capability is supported.
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* @hide
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*/
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public static boolean can(int capabilities, int capability) {
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return (capabilities & capability) != 0;
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}
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/**
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* Whether the capabilities of this {@code Connection} supports the specified capability.
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*
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* @param capability The capability to check capabilities for.
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* @return Whether the specified capability is supported.
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* @hide
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*/
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public boolean can(int capability) {
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return can(mConnectionCapabilities, capability);
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}
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/**
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* Removes the specified capability from the set of capabilities of this {@code Conference}.
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*
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* @param capability The capability to remove from the set.
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* @hide
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*/
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public void removeCapability(int capability) {
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mConnectionCapabilities &= ~capability;
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}
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/**
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* Adds the specified capability to the set of capabilities of this {@code Conference}.
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*
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* @param capability The capability to add to the set.
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* @hide
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*/
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public void addCapability(int capability) {
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mConnectionCapabilities |= capability;
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}
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/**
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* @return The audio state of the conference, describing how its audio is currently
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* being routed by the system. This is {@code null} if this Conference
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* does not directly know about its audio state.
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* @deprecated Use {@link #getCallAudioState()} instead.
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* @hide
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*/
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@Deprecated
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@SystemApi
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public final AudioState getAudioState() {
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return new AudioState(mCallAudioState);
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}
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/**
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* @return The audio state of the conference, describing how its audio is currently
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* being routed by the system. This is {@code null} if this Conference
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* does not directly know about its audio state.
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*/
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public final CallAudioState getCallAudioState() {
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return mCallAudioState;
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}
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/**
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* Returns VideoProvider of the primary call. This can be null.
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*/
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public VideoProvider getVideoProvider() {
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return null;
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}
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/**
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* Returns video state of the primary call.
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*/
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public int getVideoState() {
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return VideoProfile.STATE_AUDIO_ONLY;
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}
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/**
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* Invoked when the Conference and all it's {@link Connection}s should be disconnected.
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*/
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public void onDisconnect() {}
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/**
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* Invoked when the specified {@link Connection} should be separated from the conference call.
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*
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* @param connection The connection to separate.
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*/
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public void onSeparate(Connection connection) {}
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/**
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* Invoked when the specified {@link Connection} should merged with the conference call.
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*
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* @param connection The {@code Connection} to merge.
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*/
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public void onMerge(Connection connection) {}
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/**
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* Invoked when the conference should be put on hold.
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*/
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public void onHold() {}
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/**
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* Invoked when the conference should be moved from hold to active.
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*/
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public void onUnhold() {}
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/**
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* Invoked when the child calls should be merged. Only invoked if the conference contains the
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* capability {@link Connection#CAPABILITY_MERGE_CONFERENCE}.
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*/
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public void onMerge() {}
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/**
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* Invoked when the child calls should be swapped. Only invoked if the conference contains the
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* capability {@link Connection#CAPABILITY_SWAP_CONFERENCE}.
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*/
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public void onSwap() {}
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/**
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* Notifies this conference of a request to play a DTMF tone.
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*
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* @param c A DTMF character.
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*/
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public void onPlayDtmfTone(char c) {}
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/**
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* Notifies this conference of a request to stop any currently playing DTMF tones.
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*/
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public void onStopDtmfTone() {}
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/**
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* Notifies this conference that the {@link #getAudioState()} property has a new value.
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*
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* @param state The new call audio state.
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* @deprecated Use {@link #onCallAudioStateChanged(CallAudioState)} instead.
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* @hide
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*/
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@SystemApi
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@Deprecated
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public void onAudioStateChanged(AudioState state) {}
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/**
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* Notifies this conference that the {@link #getCallAudioState()} property has a new value.
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*
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* @param state The new call audio state.
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*/
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public void onCallAudioStateChanged(CallAudioState state) {}
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/**
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* Notifies this conference that a connection has been added to it.
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*
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* @param connection The newly added connection.
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*/
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public void onConnectionAdded(Connection connection) {}
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/**
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* Sets state to be on hold.
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*/
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public final void setOnHold() {
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setState(Connection.STATE_HOLDING);
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}
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/**
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* Sets state to be dialing.
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*/
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public final void setDialing() {
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setState(Connection.STATE_DIALING);
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}
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/**
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* Sets state to be active.
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*/
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public final void setActive() {
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setState(Connection.STATE_ACTIVE);
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}
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/**
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* Sets state to disconnected.
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*
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* @param disconnectCause The reason for the disconnection, as described by
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* {@link android.telecom.DisconnectCause}.
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*/
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public final void setDisconnected(DisconnectCause disconnectCause) {
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mDisconnectCause = disconnectCause;;
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setState(Connection.STATE_DISCONNECTED);
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for (Listener l : mListeners) {
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l.onDisconnected(this, mDisconnectCause);
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}
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}
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/**
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* @return The {@link DisconnectCause} for this connection.
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*/
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public final DisconnectCause getDisconnectCause() {
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return mDisconnectCause;
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}
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/**
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* Sets the capabilities of a conference. See {@code CAPABILITY_*} constants of class
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* {@link Connection} for valid values.
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*
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* @param connectionCapabilities A bitmask of the {@code PhoneCapabilities} of the conference call.
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*/
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public final void setConnectionCapabilities(int connectionCapabilities) {
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if (connectionCapabilities != mConnectionCapabilities) {
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mConnectionCapabilities = connectionCapabilities;
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for (Listener l : mListeners) {
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l.onConnectionCapabilitiesChanged(this, mConnectionCapabilities);
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}
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}
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}
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/**
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* Adds the specified connection as a child of this conference.
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*
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* @param connection The connection to add.
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* @return True if the connection was successfully added.
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*/
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public final boolean addConnection(Connection connection) {
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Log.d(this, "Connection=%s, connection=", connection);
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if (connection != null && !mChildConnections.contains(connection)) {
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if (connection.setConference(this)) {
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mChildConnections.add(connection);
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onConnectionAdded(connection);
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for (Listener l : mListeners) {
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l.onConnectionAdded(this, connection);
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}
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return true;
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}
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}
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return false;
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}
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/**
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* Removes the specified connection as a child of this conference.
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*
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* @param connection The connection to remove.
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*/
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public final void removeConnection(Connection connection) {
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Log.d(this, "removing %s from %s", connection, mChildConnections);
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if (connection != null && mChildConnections.remove(connection)) {
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connection.resetConference();
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for (Listener l : mListeners) {
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l.onConnectionRemoved(this, connection);
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}
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}
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}
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/**
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* Sets the connections with which this connection can be conferenced.
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*
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* @param conferenceableConnections The set of connections this connection can conference with.
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*/
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public final void setConferenceableConnections(List<Connection> conferenceableConnections) {
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clearConferenceableList();
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for (Connection c : conferenceableConnections) {
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// If statement checks for duplicates in input. It makes it N^2 but we're dealing with a
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// small amount of items here.
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if (!mConferenceableConnections.contains(c)) {
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c.addConnectionListener(mConnectionDeathListener);
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mConferenceableConnections.add(c);
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}
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}
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fireOnConferenceableConnectionsChanged();
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}
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/**
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* Set the video state for the conference.
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* Valid values: {@link VideoProfile#STATE_AUDIO_ONLY},
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* {@link VideoProfile#STATE_BIDIRECTIONAL},
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* {@link VideoProfile#STATE_TX_ENABLED},
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* {@link VideoProfile#STATE_RX_ENABLED}.
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*
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* @param videoState The new video state.
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*/
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public final void setVideoState(Connection c, int videoState) {
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Log.d(this, "setVideoState Conference: %s Connection: %s VideoState: %s",
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this, c, videoState);
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for (Listener l : mListeners) {
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l.onVideoStateChanged(this, videoState);
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}
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}
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/**
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* Sets the video connection provider.
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*
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* @param videoProvider The video provider.
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*/
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public final void setVideoProvider(Connection c, Connection.VideoProvider videoProvider) {
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Log.d(this, "setVideoProvider Conference: %s Connection: %s VideoState: %s",
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this, c, videoProvider);
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for (Listener l : mListeners) {
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l.onVideoProviderChanged(this, videoProvider);
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}
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}
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private final void fireOnConferenceableConnectionsChanged() {
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for (Listener l : mListeners) {
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l.onConferenceableConnectionsChanged(this, getConferenceableConnections());
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}
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}
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/**
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* Returns the connections with which this connection can be conferenced.
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*/
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public final List<Connection> getConferenceableConnections() {
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return mUnmodifiableConferenceableConnections;
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}
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/**
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* Tears down the conference object and any of its current connections.
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*/
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public final void destroy() {
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Log.d(this, "destroying conference : %s", this);
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// Tear down the children.
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for (Connection connection : mChildConnections) {
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Log.d(this, "removing connection %s", connection);
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removeConnection(connection);
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}
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// If not yet disconnected, set the conference call as disconnected first.
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if (mState != Connection.STATE_DISCONNECTED) {
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Log.d(this, "setting to disconnected");
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setDisconnected(new DisconnectCause(DisconnectCause.LOCAL));
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}
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// ...and notify.
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for (Listener l : mListeners) {
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l.onDestroyed(this);
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}
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}
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/**
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* Add a listener to be notified of a state change.
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*
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* @param listener The new listener.
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* @return This conference.
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* @hide
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*/
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public final Conference addListener(Listener listener) {
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mListeners.add(listener);
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return this;
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}
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/**
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* Removes the specified listener.
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*
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* @param listener The listener to remove.
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* @return This conference.
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* @hide
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*/
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public final Conference removeListener(Listener listener) {
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mListeners.remove(listener);
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return this;
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}
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/**
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* Retrieves the primary connection associated with the conference. The primary connection is
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* the connection from which the conference will retrieve its current state.
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*
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* @return The primary connection.
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* @hide
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*/
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@SystemApi
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public Connection getPrimaryConnection() {
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if (mUnmodifiableChildConnections == null || mUnmodifiableChildConnections.isEmpty()) {
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return null;
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}
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return mUnmodifiableChildConnections.get(0);
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}
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/**
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* @hide
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* @deprecated Use {@link #setConnectionTime}.
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*/
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@Deprecated
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@SystemApi
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public final void setConnectTimeMillis(long connectTimeMillis) {
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setConnectionTime(connectTimeMillis);
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}
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/**
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* Sets the connection start time of the {@code Conference}.
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*
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* @param connectionTimeMillis The connection time, in milliseconds.
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*/
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public final void setConnectionTime(long connectionTimeMillis) {
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mConnectTimeMillis = connectionTimeMillis;
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}
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/**
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* @hide
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* @deprecated Use {@link #getConnectionTime}.
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*/
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@Deprecated
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@SystemApi
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public final long getConnectTimeMillis() {
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return getConnectionTime();
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}
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/**
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* Retrieves the connection start time of the {@code Conference}, if specified. A value of
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* {@link #CONNECT_TIME_NOT_SPECIFIED} indicates that Telecom should determine the start time
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* of the conference.
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*
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* @return The time at which the {@code Conference} was connected.
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*/
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public final long getConnectionTime() {
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return mConnectTimeMillis;
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}
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/**
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* Inform this Conference that the state of its audio output has been changed externally.
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*
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* @param state The new audio state.
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* @hide
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*/
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final void setCallAudioState(CallAudioState state) {
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Log.d(this, "setCallAudioState %s", state);
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mCallAudioState = state;
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onAudioStateChanged(getAudioState());
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onCallAudioStateChanged(state);
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}
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private void setState(int newState) {
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if (newState != Connection.STATE_ACTIVE &&
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newState != Connection.STATE_HOLDING &&
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newState != Connection.STATE_DISCONNECTED) {
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Log.w(this, "Unsupported state transition for Conference call.",
|
|
Connection.stateToString(newState));
|
|
return;
|
|
}
|
|
|
|
if (mState != newState) {
|
|
int oldState = mState;
|
|
mState = newState;
|
|
for (Listener l : mListeners) {
|
|
l.onStateChanged(this, oldState, newState);
|
|
}
|
|
}
|
|
}
|
|
|
|
private final void clearConferenceableList() {
|
|
for (Connection c : mConferenceableConnections) {
|
|
c.removeConnectionListener(mConnectionDeathListener);
|
|
}
|
|
mConferenceableConnections.clear();
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return String.format(Locale.US,
|
|
"[State: %s,Capabilites: %s, VideoState: %s, VideoProvider: %s, ThisObject %s]",
|
|
Connection.stateToString(mState),
|
|
Call.Details.capabilitiesToString(mConnectionCapabilities),
|
|
getVideoState(),
|
|
getVideoProvider(),
|
|
super.toString());
|
|
}
|
|
|
|
/**
|
|
* Sets the label and icon status to display in the InCall UI.
|
|
*
|
|
* @param statusHints The status label and icon to set.
|
|
*/
|
|
public final void setStatusHints(StatusHints statusHints) {
|
|
mStatusHints = statusHints;
|
|
for (Listener l : mListeners) {
|
|
l.onStatusHintsChanged(this, statusHints);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return The status hints for this conference.
|
|
*/
|
|
public final StatusHints getStatusHints() {
|
|
return mStatusHints;
|
|
}
|
|
|
|
/**
|
|
* Set some extras that can be associated with this {@code Conference}. No assumptions should
|
|
* be made as to how an In-Call UI or service will handle these extras.
|
|
* Keys should be fully qualified (e.g., com.example.MY_EXTRA) to avoid conflicts.
|
|
*
|
|
* @param extras The extras associated with this {@code Connection}.
|
|
*/
|
|
public final void setExtras(@Nullable Bundle extras) {
|
|
mExtras = extras;
|
|
for (Listener l : mListeners) {
|
|
l.onExtrasChanged(this, extras);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return The extras associated with this conference.
|
|
*/
|
|
public final Bundle getExtras() {
|
|
return mExtras;
|
|
}
|
|
}
|