/*
* Copyright (C) 2014 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.net.Uri;
import android.os.Bundle;
import java.lang.String;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.concurrent.CopyOnWriteArrayList;
/**
* Represents an ongoing phone call that the in-call app should present to the user.
*
* {@hide}
*/
@SystemApi
public final class Call {
/**
* The state of a {@code Call} when newly created.
*/
public static final int STATE_NEW = 0;
/**
* The state of an outgoing {@code Call} when dialing the remote number, but not yet connected.
*/
public static final int STATE_DIALING = 1;
/**
* The state of an incoming {@code Call} when ringing locally, but not yet connected.
*/
public static final int STATE_RINGING = 2;
/**
* The state of a {@code Call} when in a holding state.
*/
public static final int STATE_HOLDING = 3;
/**
* The state of a {@code Call} when actively supporting conversation.
*/
public static final int STATE_ACTIVE = 4;
/**
* The state of a {@code Call} when no further voice or other communication is being
* transmitted, the remote side has been or will inevitably be informed that the {@code Call}
* is no longer active, and the local data transport has or inevitably will release resources
* associated with this {@code Call}.
*/
public static final int STATE_DISCONNECTED = 7;
/**
* The state of an outgoing {@code Call}, but waiting for user input before proceeding.
*/
public static final int STATE_PRE_DIAL_WAIT = 8;
/**
* The initial state of an outgoing {@code Call}.
* Common transitions are to {@link #STATE_DIALING} state for a successful call or
* {@link #STATE_DISCONNECTED} if it failed.
*/
public static final int STATE_CONNECTING = 9;
/**
* The state of a {@code Call} when the user has initiated a disconnection of the call, but the
* call has not yet been disconnected by the underlying {@code ConnectionService}. The next
* state of the call is (potentially) {@link #STATE_DISCONNECTED}.
*/
public static final int STATE_DISCONNECTING = 10;
/**
* The key to retrieve the optional {@code PhoneAccount}s Telecom can bundle with its Call
* extras. Used to pass the phone accounts to display on the front end to the user in order to
* select phone accounts to (for example) place a call.
*
* @hide
*/
public static final String AVAILABLE_PHONE_ACCOUNTS = "selectPhoneAccountAccounts";
public static class Details {
/** Call can currently be put on hold or unheld. */
public static final int CAPABILITY_HOLD = 0x00000001;
/** Call supports the hold feature. */
public static final int CAPABILITY_SUPPORT_HOLD = 0x00000002;
/**
* Calls within a conference can be merged. A {@link ConnectionService} has the option to
* add a {@link Conference} call before the child {@link Connection}s are merged. This is how
* CDMA-based {@link Connection}s are implemented. For these unmerged {@link Conference}s, this
* capability allows a merge button to be shown while the conference call is in the foreground
* of the in-call UI.
*
* This is only intended for use by a {@link Conference}.
*/
public static final int CAPABILITY_MERGE_CONFERENCE = 0x00000004;
/**
* Calls within a conference can be swapped between foreground and background.
* See {@link #CAPABILITY_MERGE_CONFERENCE} for additional information.
*
* This is only intended for use by a {@link Conference}.
*/
public static final int CAPABILITY_SWAP_CONFERENCE = 0x00000008;
/**
* @hide
*/
public static final int CAPABILITY_UNUSED = 0x00000010;
/** Call supports responding via text option. */
public static final int CAPABILITY_RESPOND_VIA_TEXT = 0x00000020;
/** Call can be muted. */
public static final int CAPABILITY_MUTE = 0x00000040;
/**
* Call supports conference call management. This capability only applies to {@link Conference}
* calls which can have {@link Connection}s as children.
*/
public static final int CAPABILITY_MANAGE_CONFERENCE = 0x00000080;
/**
* Local device supports video telephony.
* @hide
*/
public static final int CAPABILITY_SUPPORTS_VT_LOCAL = 0x00000100;
/**
* Remote device supports video telephony.
* @hide
*/
public static final int CAPABILITY_SUPPORTS_VT_REMOTE = 0x00000200;
/**
* Call is using high definition audio.
* @hide
*/
public static final int CAPABILITY_HIGH_DEF_AUDIO = 0x00000400;
/**
* Call is using voice over WIFI.
* @hide
*/
public static final int CAPABILITY_VoWIFI = 0x00000800;
/**
* Call is able to be separated from its parent {@code Conference}, if any.
*/
public static final int CAPABILITY_SEPARATE_FROM_CONFERENCE = 0x00001000;
/**
* Call is able to be individually disconnected when in a {@code Conference}.
*/
public static final int CAPABILITY_DISCONNECT_FROM_CONFERENCE = 0x00002000;
/**
* Whether the call is a generic conference, where we do not know the precise state of
* participants in the conference (eg. on CDMA).
*
* @hide
*/
public static final int CAPABILITY_GENERIC_CONFERENCE = 0x00004000;
/**
* Speed up audio setup for MT call.
* @hide
*/
public static final int CAPABILITY_SPEED_UP_MT_AUDIO = 0x00008000;
private final Uri mHandle;
private final int mHandlePresentation;
private final String mCallerDisplayName;
private final int mCallerDisplayNamePresentation;
private final PhoneAccountHandle mAccountHandle;
private final int mCallCapabilities;
private final int mCallProperties;
private final DisconnectCause mDisconnectCause;
private final long mConnectTimeMillis;
private final GatewayInfo mGatewayInfo;
private final int mVideoState;
private final StatusHints mStatusHints;
private final Bundle mExtras;
/**
* Whether the supplied capabilities supports the specified capability.
*
* @param capabilities A bit field of capabilities.
* @param capability The capability to check capabilities for.
* @return Whether the specified capability is supported.
* @hide
*/
public static boolean can(int capabilities, int capability) {
return (capabilities & capability) != 0;
}
/**
* Whether the capabilities of this {@code Details} supports the specified capability.
*
* @param capability The capability to check capabilities for.
* @return Whether the specified capability is supported.
* @hide
*/
public boolean can(int capability) {
return can(mCallCapabilities, capability);
}
/**
* Render a set of capability bits ({@code CAPABILITY_*}) as a human readable string.
*
* @param capabilities A capability bit field.
* @return A human readable string representation.
*/
public static String capabilitiesToString(int capabilities) {
StringBuilder builder = new StringBuilder();
builder.append("[Capabilities:");
if (can(capabilities, CAPABILITY_HOLD)) {
builder.append(" CAPABILITY_HOLD");
}
if (can(capabilities, CAPABILITY_SUPPORT_HOLD)) {
builder.append(" CAPABILITY_SUPPORT_HOLD");
}
if (can(capabilities, CAPABILITY_MERGE_CONFERENCE)) {
builder.append(" CAPABILITY_MERGE_CONFERENCE");
}
if (can(capabilities, CAPABILITY_SWAP_CONFERENCE)) {
builder.append(" CAPABILITY_SWAP_CONFERENCE");
}
if (can(capabilities, CAPABILITY_RESPOND_VIA_TEXT)) {
builder.append(" CAPABILITY_RESPOND_VIA_TEXT");
}
if (can(capabilities, CAPABILITY_MUTE)) {
builder.append(" CAPABILITY_MUTE");
}
if (can(capabilities, CAPABILITY_MANAGE_CONFERENCE)) {
builder.append(" CAPABILITY_MANAGE_CONFERENCE");
}
if (can(capabilities, CAPABILITY_SUPPORTS_VT_LOCAL)) {
builder.append(" CAPABILITY_SUPPORTS_VT_LOCAL");
}
if (can(capabilities, CAPABILITY_SUPPORTS_VT_REMOTE)) {
builder.append(" CAPABILITY_SUPPORTS_VT_REMOTE");
}
if (can(capabilities, CAPABILITY_HIGH_DEF_AUDIO)) {
builder.append(" CAPABILITY_HIGH_DEF_AUDIO");
}
if (can(capabilities, CAPABILITY_VoWIFI)) {
builder.append(" CAPABILITY_VoWIFI");
}
if (can(capabilities, CAPABILITY_GENERIC_CONFERENCE)) {
builder.append(" CAPABILITY_GENERIC_CONFERENCE");
}
if (can(capabilities, CAPABILITY_SPEED_UP_MT_AUDIO)) {
builder.append(" CAPABILITY_SPEED_UP_IMS_MT_AUDIO");
}
builder.append("]");
return builder.toString();
}
/**
* @return The handle (e.g., phone number) to which the {@code Call} is currently
* connected.
*/
public Uri getHandle() {
return mHandle;
}
/**
* @return The presentation requirements for the handle. See
* {@link TelecomManager} for valid values.
*/
public int getHandlePresentation() {
return mHandlePresentation;
}
/**
* @return The display name for the caller.
*/
public String getCallerDisplayName() {
return mCallerDisplayName;
}
/**
* @return The presentation requirements for the caller display name. See
* {@link TelecomManager} for valid values.
*/
public int getCallerDisplayNamePresentation() {
return mCallerDisplayNamePresentation;
}
/**
* @return The {@code PhoneAccountHandle} whereby the {@code Call} is currently being
* routed.
*/
public PhoneAccountHandle getAccountHandle() {
return mAccountHandle;
}
/**
* @return A bitmask of the capabilities of the {@code Call}, as defined by the various
* {@code CAPABILITY_*} constants in this class.
*/
public int getCallCapabilities() {
return mCallCapabilities;
}
/**
* @return A bitmask of the properties of the {@code Call}, as defined in
* {@link CallProperties}.
*/
public int getCallProperties() {
return mCallProperties;
}
/**
* @return For a {@link #STATE_DISCONNECTED} {@code Call}, the disconnect cause expressed
* by {@link android.telecom.DisconnectCause}.
*/
public DisconnectCause getDisconnectCause() {
return mDisconnectCause;
}
/**
* @return The time the {@code Call} has been connected. This information is updated
* periodically, but user interfaces should not rely on this to display any "call time
* clock".
*/
public long getConnectTimeMillis() {
return mConnectTimeMillis;
}
/**
* @return Information about any calling gateway the {@code Call} may be using.
*/
public GatewayInfo getGatewayInfo() {
return mGatewayInfo;
}
/**
* @return The video state of the {@code Call}.
*/
public int getVideoState() {
return mVideoState;
}
/**
* @return The current {@link android.telecom.StatusHints}, or {@code null} if none
* have been set.
*/
public StatusHints getStatusHints() {
return mStatusHints;
}
/**
* @return A bundle extras to pass with the call
*/
public Bundle getExtras() {
return mExtras;
}
@Override
public boolean equals(Object o) {
if (o instanceof Details) {
Details d = (Details) o;
return
Objects.equals(mHandle, d.mHandle) &&
Objects.equals(mHandlePresentation, d.mHandlePresentation) &&
Objects.equals(mCallerDisplayName, d.mCallerDisplayName) &&
Objects.equals(mCallerDisplayNamePresentation,
d.mCallerDisplayNamePresentation) &&
Objects.equals(mAccountHandle, d.mAccountHandle) &&
Objects.equals(mCallCapabilities, d.mCallCapabilities) &&
Objects.equals(mCallProperties, d.mCallProperties) &&
Objects.equals(mDisconnectCause, d.mDisconnectCause) &&
Objects.equals(mConnectTimeMillis, d.mConnectTimeMillis) &&
Objects.equals(mGatewayInfo, d.mGatewayInfo) &&
Objects.equals(mVideoState, d.mVideoState) &&
Objects.equals(mStatusHints, d.mStatusHints) &&
Objects.equals(mExtras, d.mExtras);
}
return false;
}
@Override
public int hashCode() {
return
Objects.hashCode(mHandle) +
Objects.hashCode(mHandlePresentation) +
Objects.hashCode(mCallerDisplayName) +
Objects.hashCode(mCallerDisplayNamePresentation) +
Objects.hashCode(mAccountHandle) +
Objects.hashCode(mCallCapabilities) +
Objects.hashCode(mCallProperties) +
Objects.hashCode(mDisconnectCause) +
Objects.hashCode(mConnectTimeMillis) +
Objects.hashCode(mGatewayInfo) +
Objects.hashCode(mVideoState) +
Objects.hashCode(mStatusHints) +
Objects.hashCode(mExtras);
}
/** {@hide} */
public Details(
Uri handle,
int handlePresentation,
String callerDisplayName,
int callerDisplayNamePresentation,
PhoneAccountHandle accountHandle,
int capabilities,
int properties,
DisconnectCause disconnectCause,
long connectTimeMillis,
GatewayInfo gatewayInfo,
int videoState,
StatusHints statusHints,
Bundle extras) {
mHandle = handle;
mHandlePresentation = handlePresentation;
mCallerDisplayName = callerDisplayName;
mCallerDisplayNamePresentation = callerDisplayNamePresentation;
mAccountHandle = accountHandle;
mCallCapabilities = capabilities;
mCallProperties = properties;
mDisconnectCause = disconnectCause;
mConnectTimeMillis = connectTimeMillis;
mGatewayInfo = gatewayInfo;
mVideoState = videoState;
mStatusHints = statusHints;
mExtras = extras;
}
}
public static abstract class Listener {
/**
* Invoked when the state of this {@code Call} has changed. See {@link #getState()}.
*
* @param call The {@code Call} invoking this method.
* @param state The new state of the {@code Call}.
*/
public void onStateChanged(Call call, int state) {}
/**
* Invoked when the parent of this {@code Call} has changed. See {@link #getParent()}.
*
* @param call The {@code Call} invoking this method.
* @param parent The new parent of the {@code Call}.
*/
public void onParentChanged(Call call, Call parent) {}
/**
* Invoked when the children of this {@code Call} have changed. See {@link #getChildren()}.
*
* @param call The {@code Call} invoking this method.
* @param children The new children of the {@code Call}.
*/
public void onChildrenChanged(Call call, List children) {}
/**
* Invoked when the details of this {@code Call} have changed. See {@link #getDetails()}.
*
* @param call The {@code Call} invoking this method.
* @param details A {@code Details} object describing the {@code Call}.
*/
public void onDetailsChanged(Call call, Details details) {}
/**
* Invoked when the text messages that can be used as responses to the incoming
* {@code Call} are loaded from the relevant database.
* See {@link #getCannedTextResponses()}.
*
* @param call The {@code Call} invoking this method.
* @param cannedTextResponses The text messages useable as responses.
*/
public void onCannedTextResponsesLoaded(Call call, List cannedTextResponses) {}
/**
* Invoked when the post-dial sequence in the outgoing {@code Call} has reached a pause
* character. This causes the post-dial signals to stop pending user confirmation. An
* implementation should present this choice to the user and invoke
* {@link #postDialContinue(boolean)} when the user makes the choice.
*
* @param call The {@code Call} invoking this method.
* @param remainingPostDialSequence The post-dial characters that remain to be sent.
*/
public void onPostDialWait(Call call, String remainingPostDialSequence) {}
/**
* Invoked when the {@code Call.VideoCall} of the {@code Call} has changed.
*
* @param call The {@code Call} invoking this method.
* @param videoCall The {@code Call.VideoCall} associated with the {@code Call}.
* @hide
*/
public void onVideoCallChanged(Call call, InCallService.VideoCall videoCall) {}
/**
* Invoked when the {@code Call} is destroyed. Clients should refrain from cleaning
* up their UI for the {@code Call} in response to state transitions. Specifically,
* clients should not assume that a {@link #onStateChanged(Call, int)} with a state of
* {@link #STATE_DISCONNECTED} is the final notification the {@code Call} will send. Rather,
* clients should wait for this method to be invoked.
*
* @param call The {@code Call} being destroyed.
*/
public void onCallDestroyed(Call call) {}
/**
* Invoked upon changes to the set of {@code Call}s with which this {@code Call} can be
* conferenced.
*
* @param call The {@code Call} being updated.
* @param conferenceableCalls The {@code Call}s with which this {@code Call} can be
* conferenced.
*/
public void onConferenceableCallsChanged(Call call, List conferenceableCalls) {}
}
private final Phone mPhone;
private final String mTelecomCallId;
private final InCallAdapter mInCallAdapter;
private final List mChildrenIds = new ArrayList<>();
private final List mChildren = new ArrayList<>();
private final List mUnmodifiableChildren = Collections.unmodifiableList(mChildren);
private final List mListeners = new CopyOnWriteArrayList<>();
private final List mConferenceableCalls = new ArrayList<>();
private final List mUnmodifiableConferenceableCalls =
Collections.unmodifiableList(mConferenceableCalls);
private boolean mChildrenCached;
private String mParentId = null;
private int mState;
private List mCannedTextResponses = null;
private String mRemainingPostDialSequence;
private InCallService.VideoCall mVideoCall;
private Details mDetails;
/**
* Obtains the post-dial sequence remaining to be emitted by this {@code Call}, if any.
*
* @return The remaining post-dial sequence, or {@code null} if there is no post-dial sequence
* remaining or this {@code Call} is not in a post-dial state.
*/
public String getRemainingPostDialSequence() {
return mRemainingPostDialSequence;
}
/**
* Instructs this {@link #STATE_RINGING} {@code Call} to answer.
* @param videoState The video state in which to answer the call.
*/
public void answer(int videoState) {
mInCallAdapter.answerCall(mTelecomCallId, videoState);
}
/**
* Instructs this {@link #STATE_RINGING} {@code Call} to reject.
*
* @param rejectWithMessage Whether to reject with a text message.
* @param textMessage An optional text message with which to respond.
*/
public void reject(boolean rejectWithMessage, String textMessage) {
mInCallAdapter.rejectCall(mTelecomCallId, rejectWithMessage, textMessage);
}
/**
* Instructs this {@code Call} to disconnect.
*/
public void disconnect() {
mInCallAdapter.disconnectCall(mTelecomCallId);
}
/**
* Instructs this {@code Call} to go on hold.
*/
public void hold() {
mInCallAdapter.holdCall(mTelecomCallId);
}
/**
* Instructs this {@link #STATE_HOLDING} call to release from hold.
*/
public void unhold() {
mInCallAdapter.unholdCall(mTelecomCallId);
}
/**
* Instructs this {@code Call} to play a dual-tone multi-frequency signaling (DTMF) tone.
*
* Any other currently playing DTMF tone in the specified call is immediately stopped.
*
* @param digit A character representing the DTMF digit for which to play the tone. This
* value must be one of {@code '0'} through {@code '9'}, {@code '*'} or {@code '#'}.
*/
public void playDtmfTone(char digit) {
mInCallAdapter.playDtmfTone(mTelecomCallId, digit);
}
/**
* Instructs this {@code Call} to stop any dual-tone multi-frequency signaling (DTMF) tone
* currently playing.
*
* DTMF tones are played by calling {@link #playDtmfTone(char)}. If no DTMF tone is
* currently playing, this method will do nothing.
*/
public void stopDtmfTone() {
mInCallAdapter.stopDtmfTone(mTelecomCallId);
}
/**
* Instructs this {@code Call} to continue playing a post-dial DTMF string.
*
* A post-dial DTMF string is a string of digits entered after a phone number, when dialed,
* that are immediately sent as DTMF tones to the recipient as soon as the connection is made.
*
* If the DTMF string contains a {@link TelecomManager#DTMF_CHARACTER_PAUSE} symbol, this
* {@code Call} will temporarily pause playing the tones for a pre-defined period of time.
*
* If the DTMF string contains a {@link TelecomManager#DTMF_CHARACTER_WAIT} symbol, this
* {@code Call} will pause playing the tones and notify listeners via
* {@link Listener#onPostDialWait(Call, String)}. At this point, the in-call app
* should display to the user an indication of this state and an affordance to continue
* the postdial sequence. When the user decides to continue the postdial sequence, the in-call
* app should invoke the {@link #postDialContinue(boolean)} method.
*
* @param proceed Whether or not to continue with the post-dial sequence.
*/
public void postDialContinue(boolean proceed) {
mInCallAdapter.postDialContinue(mTelecomCallId, proceed);
}
/**
* Notifies this {@code Call} that an account has been selected and to proceed with placing
* an outgoing call. Optionally sets this account as the default account.
*/
public void phoneAccountSelected(PhoneAccountHandle accountHandle, boolean setDefault) {
mInCallAdapter.phoneAccountSelected(mTelecomCallId, accountHandle, setDefault);
}
/**
* Instructs this {@code Call} to enter a conference.
*
* @param callToConferenceWith The other call with which to conference.
*/
public void conference(Call callToConferenceWith) {
if (callToConferenceWith != null) {
mInCallAdapter.conference(mTelecomCallId, callToConferenceWith.mTelecomCallId);
}
}
/**
* Instructs this {@code Call} to split from any conference call with which it may be
* connected.
*/
public void splitFromConference() {
mInCallAdapter.splitFromConference(mTelecomCallId);
}
/**
* Merges the calls within this conference. See {@link Details#CAPABILITY_MERGE_CONFERENCE}.
*/
public void mergeConference() {
mInCallAdapter.mergeConference(mTelecomCallId);
}
/**
* Swaps the calls within this conference. See {@link Details#CAPABILITY_SWAP_CONFERENCE}.
*/
public void swapConference() {
mInCallAdapter.swapConference(mTelecomCallId);
}
/**
* Obtains the parent of this {@code Call} in a conference, if any.
*
* @return The parent {@code Call}, or {@code null} if this {@code Call} is not a
* child of any conference {@code Call}s.
*/
public Call getParent() {
if (mParentId != null) {
return mPhone.internalGetCallByTelecomId(mParentId);
}
return null;
}
/**
* Obtains the children of this conference {@code Call}, if any.
*
* @return The children of this {@code Call} if this {@code Call} is a conference, or an empty
* {@code List} otherwise.
*/
public List getChildren() {
if (!mChildrenCached) {
mChildrenCached = true;
mChildren.clear();
for(String id : mChildrenIds) {
Call call = mPhone.internalGetCallByTelecomId(id);
if (call == null) {
// At least one child was still not found, so do not save true for "cached"
mChildrenCached = false;
} else {
mChildren.add(call);
}
}
}
return mUnmodifiableChildren;
}
/**
* Returns the list of {@code Call}s with which this {@code Call} is allowed to conference.
*
* @return The list of conferenceable {@code Call}s.
*/
public List getConferenceableCalls() {
return mUnmodifiableConferenceableCalls;
}
/**
* Obtains the state of this {@code Call}.
*
* @return A state value, chosen from the {@code STATE_*} constants.
*/
public int getState() {
return mState;
}
/**
* Obtains a list of canned, pre-configured message responses to present to the user as
* ways of rejecting this {@code Call} using via a text message.
*
* @see #reject(boolean, String)
*
* @return A list of canned text message responses.
*/
public List getCannedTextResponses() {
return mCannedTextResponses;
}
/**
* Obtains an object that can be used to display video from this {@code Call}.
*
* @return An {@code Call.VideoCall}.
* @hide
*/
public InCallService.VideoCall getVideoCall() {
return mVideoCall;
}
/**
* Obtains an object containing call details.
*
* @return A {@link Details} object. Depending on the state of the {@code Call}, the
* result may be {@code null}.
*/
public Details getDetails() {
return mDetails;
}
/**
* Adds a listener to this {@code Call}.
*
* @param listener A {@code Listener}.
*/
public void addListener(Listener listener) {
mListeners.add(listener);
}
/**
* Removes a listener from this {@code Call}.
*
* @param listener A {@code Listener}.
*/
public void removeListener(Listener listener) {
if (listener != null) {
mListeners.remove(listener);
}
}
/** {@hide} */
Call(Phone phone, String telecomCallId, InCallAdapter inCallAdapter) {
mPhone = phone;
mTelecomCallId = telecomCallId;
mInCallAdapter = inCallAdapter;
mState = STATE_NEW;
}
/** {@hide} */
final String internalGetCallId() {
return mTelecomCallId;
}
/** {@hide} */
final void internalUpdate(ParcelableCall parcelableCall, Map callIdMap) {
// First, we update the internal state as far as possible before firing any updates.
Details details = new Details(
parcelableCall.getHandle(),
parcelableCall.getHandlePresentation(),
parcelableCall.getCallerDisplayName(),
parcelableCall.getCallerDisplayNamePresentation(),
parcelableCall.getAccountHandle(),
parcelableCall.getCapabilities(),
parcelableCall.getProperties(),
parcelableCall.getDisconnectCause(),
parcelableCall.getConnectTimeMillis(),
parcelableCall.getGatewayInfo(),
parcelableCall.getVideoState(),
parcelableCall.getStatusHints(),
parcelableCall.getExtras());
boolean detailsChanged = !Objects.equals(mDetails, details);
if (detailsChanged) {
mDetails = details;
}
boolean cannedTextResponsesChanged = false;
if (mCannedTextResponses == null && parcelableCall.getCannedSmsResponses() != null
&& !parcelableCall.getCannedSmsResponses().isEmpty()) {
mCannedTextResponses =
Collections.unmodifiableList(parcelableCall.getCannedSmsResponses());
}
boolean videoCallChanged = !Objects.equals(mVideoCall, parcelableCall.getVideoCall());
if (videoCallChanged) {
mVideoCall = parcelableCall.getVideoCall();
}
int state = stateFromParcelableCallState(parcelableCall.getState());
boolean stateChanged = mState != state;
if (stateChanged) {
mState = state;
}
String parentId = parcelableCall.getParentCallId();
boolean parentChanged = !Objects.equals(mParentId, parentId);
if (parentChanged) {
mParentId = parentId;
}
List childCallIds = parcelableCall.getChildCallIds();
boolean childrenChanged = !Objects.equals(childCallIds, mChildrenIds);
if (childrenChanged) {
mChildrenIds.clear();
mChildrenIds.addAll(parcelableCall.getChildCallIds());
mChildrenCached = false;
}
List conferenceableCallIds = parcelableCall.getConferenceableCallIds();
List conferenceableCalls = new ArrayList(conferenceableCallIds.size());
for (String otherId : conferenceableCallIds) {
if (callIdMap.containsKey(otherId)) {
conferenceableCalls.add(callIdMap.get(otherId));
}
}
if (!Objects.equals(mConferenceableCalls, conferenceableCalls)) {
mConferenceableCalls.clear();
mConferenceableCalls.addAll(conferenceableCalls);
fireConferenceableCallsChanged();
}
// Now we fire updates, ensuring that any client who listens to any of these notifications
// gets the most up-to-date state.
if (stateChanged) {
fireStateChanged(mState);
}
if (detailsChanged) {
fireDetailsChanged(mDetails);
}
if (cannedTextResponsesChanged) {
fireCannedTextResponsesLoaded(mCannedTextResponses);
}
if (videoCallChanged) {
fireVideoCallChanged(mVideoCall);
}
if (parentChanged) {
fireParentChanged(getParent());
}
if (childrenChanged) {
fireChildrenChanged(getChildren());
}
// If we have transitioned to DISCONNECTED, that means we need to notify clients and
// remove ourselves from the Phone. Note that we do this after completing all state updates
// so a client can cleanly transition all their UI to the state appropriate for a
// DISCONNECTED Call while still relying on the existence of that Call in the Phone's list.
if (mState == STATE_DISCONNECTED) {
fireCallDestroyed();
mPhone.internalRemoveCall(this);
}
}
/** {@hide} */
final void internalSetPostDialWait(String remaining) {
mRemainingPostDialSequence = remaining;
firePostDialWait(mRemainingPostDialSequence);
}
/** {@hide} */
final void internalSetDisconnected() {
if (mState != Call.STATE_DISCONNECTED) {
mState = Call.STATE_DISCONNECTED;
fireStateChanged(mState);
fireCallDestroyed();
mPhone.internalRemoveCall(this);
}
}
private void fireStateChanged(int newState) {
for (Listener listener : mListeners) {
listener.onStateChanged(this, newState);
}
}
private void fireParentChanged(Call newParent) {
for (Listener listener : mListeners) {
listener.onParentChanged(this, newParent);
}
}
private void fireChildrenChanged(List children) {
for (Listener listener : mListeners) {
listener.onChildrenChanged(this, children);
}
}
private void fireDetailsChanged(Details details) {
for (Listener listener : mListeners) {
listener.onDetailsChanged(this, details);
}
}
private void fireCannedTextResponsesLoaded(List cannedTextResponses) {
for (Listener listener : mListeners) {
listener.onCannedTextResponsesLoaded(this, cannedTextResponses);
}
}
private void fireVideoCallChanged(InCallService.VideoCall videoCall) {
for (Listener listener : mListeners) {
listener.onVideoCallChanged(this, videoCall);
}
}
private void firePostDialWait(String remainingPostDialSequence) {
for (Listener listener : mListeners) {
listener.onPostDialWait(this, remainingPostDialSequence);
}
}
private void fireCallDestroyed() {
for (Listener listener : mListeners) {
listener.onCallDestroyed(this);
}
}
private void fireConferenceableCallsChanged() {
for (Listener listener : mListeners) {
listener.onConferenceableCallsChanged(this, mUnmodifiableConferenceableCalls);
}
}
private int stateFromParcelableCallState(int parcelableCallState) {
switch (parcelableCallState) {
case CallState.NEW:
return STATE_NEW;
case CallState.CONNECTING:
return STATE_CONNECTING;
case CallState.PRE_DIAL_WAIT:
return STATE_PRE_DIAL_WAIT;
case CallState.DIALING:
return STATE_DIALING;
case CallState.RINGING:
return STATE_RINGING;
case CallState.ACTIVE:
return STATE_ACTIVE;
case CallState.ON_HOLD:
return STATE_HOLDING;
case CallState.DISCONNECTED:
return STATE_DISCONNECTED;
case CallState.ABORTED:
return STATE_DISCONNECTED;
case CallState.DISCONNECTING:
return STATE_DISCONNECTING;
default:
Log.wtf(this, "Unrecognized CallState %s", parcelableCallState);
return STATE_NEW;
}
}
}