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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 com.android.incallui;
import com.android.contacts.common.CallUtil;
import com.android.contacts.common.testing.NeededForTesting;
import com.android.incallui.CallList.Listener;
import android.content.Context;
import android.hardware.camera2.CameraCharacteristics;
import android.net.Uri;
import android.os.Bundle;
import android.os.Trace;
import android.telecom.DisconnectCause;
import android.telecom.GatewayInfo;
import android.telecom.InCallService.VideoCall;
import android.telecom.PhoneAccountHandle;
import android.telecom.VideoProfile;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
/**
* Describes a single call and its state.
*/
@NeededForTesting
public class Call {
/* Defines different states of this call */
public static class State {
public static final int INVALID = 0;
public static final int NEW = 1; /* The call is new. */
public static final int IDLE = 2; /* The call is idle. Nothing active */
public static final int ACTIVE = 3; /* There is an active call */
public static final int INCOMING = 4; /* A normal incoming phone call */
public static final int CALL_WAITING = 5; /* Incoming call while another is active */
public static final int DIALING = 6; /* An outgoing call during dial phase */
public static final int REDIALING = 7; /* Subsequent dialing attempt after a failure */
public static final int ONHOLD = 8; /* An active phone call placed on hold */
public static final int DISCONNECTING = 9; /* A call is being ended. */
public static final int DISCONNECTED = 10; /* State after a call disconnects */
public static final int CONFERENCED = 11; /* Call part of a conference call */
public static final int SELECT_PHONE_ACCOUNT = 12; /* Waiting for account selection */
public static final int CONNECTING = 13; /* Waiting for Telecomm broadcast to finish */
public static boolean isConnectingOrConnected(int state) {
switch(state) {
case ACTIVE:
case INCOMING:
case CALL_WAITING:
case CONNECTING:
case DIALING:
case REDIALING:
case ONHOLD:
case CONFERENCED:
return true;
default:
}
return false;
}
public static boolean isDialing(int state) {
return state == DIALING || state == REDIALING;
}
public static String toString(int state) {
switch (state) {
case INVALID:
return "INVALID";
case NEW:
return "NEW";
case IDLE:
return "IDLE";
case ACTIVE:
return "ACTIVE";
case INCOMING:
return "INCOMING";
case CALL_WAITING:
return "CALL_WAITING";
case DIALING:
return "DIALING";
case REDIALING:
return "REDIALING";
case ONHOLD:
return "ONHOLD";
case DISCONNECTING:
return "DISCONNECTING";
case DISCONNECTED:
return "DISCONNECTED";
case CONFERENCED:
return "CONFERENCED";
case SELECT_PHONE_ACCOUNT:
return "SELECT_PHONE_ACCOUNT";
case CONNECTING:
return "CONNECTING";
default:
return "UNKNOWN";
}
}
}
/**
* Defines different states of session modify requests, which are used to upgrade to video, or
* downgrade to audio.
*/
public static class SessionModificationState {
public static final int NO_REQUEST = 0;
public static final int WAITING_FOR_RESPONSE = 1;
public static final int REQUEST_FAILED = 2;
public static final int RECEIVED_UPGRADE_TO_VIDEO_REQUEST = 3;
public static final int UPGRADE_TO_VIDEO_REQUEST_TIMED_OUT = 4;
}
public static class VideoSettings {
public static final int CAMERA_DIRECTION_UNKNOWN = -1;
public static final int CAMERA_DIRECTION_FRONT_FACING =
CameraCharacteristics.LENS_FACING_FRONT;
public static final int CAMERA_DIRECTION_BACK_FACING =
CameraCharacteristics.LENS_FACING_BACK;
private int mCameraDirection = CAMERA_DIRECTION_UNKNOWN;
/**
* Sets the camera direction. if camera direction is set to CAMERA_DIRECTION_UNKNOWN,
* the video state of the call should be used to infer the camera direction.
*
* @see {@link CameraCharacteristics#LENS_FACING_FRONT}
* @see {@link CameraCharacteristics#LENS_FACING_BACK}
*/
public void setCameraDir(int cameraDirection) {
if (cameraDirection == CAMERA_DIRECTION_FRONT_FACING
|| cameraDirection == CAMERA_DIRECTION_BACK_FACING) {
mCameraDirection = cameraDirection;
} else {
mCameraDirection = CAMERA_DIRECTION_UNKNOWN;
}
}
/**
* Gets the camera direction. if camera direction is set to CAMERA_DIRECTION_UNKNOWN,
* the video state of the call should be used to infer the camera direction.
*
* @see {@link CameraCharacteristics#LENS_FACING_FRONT}
* @see {@link CameraCharacteristics#LENS_FACING_BACK}
*/
public int getCameraDir() {
return mCameraDirection;
}
public String toString() {
return "(CameraDir:" + getCameraDir() + ")";
}
}
private static final String ID_PREFIX = Call.class.getSimpleName() + "_";
private static int sIdCounter = 0;
private android.telecom.Call.Callback mTelecomCallCallback =
new android.telecom.Call.Callback() {
@Override
public void onStateChanged(android.telecom.Call call, int newState) {
Log.d(this, "TelecommCallCallback onStateChanged call=" + call + " newState="
+ newState);
update();
}
@Override
public void onParentChanged(android.telecom.Call call,
android.telecom.Call newParent) {
Log.d(this, "TelecommCallCallback onParentChanged call=" + call + " newParent="
+ newParent);
update();
}
@Override
public void onChildrenChanged(android.telecom.Call call,
List<android.telecom.Call> children) {
update();
}
@Override
public void onDetailsChanged(android.telecom.Call call,
android.telecom.Call.Details details) {
Log.d(this, "TelecommCallCallback onStateChanged call=" + call + " details="
+ details);
update();
}
@Override
public void onCannedTextResponsesLoaded(android.telecom.Call call,
List<String> cannedTextResponses) {
Log.d(this, "TelecommCallCallback onStateChanged call=" + call
+ " cannedTextResponses=" + cannedTextResponses);
update();
}
@Override
public void onPostDialWait(android.telecom.Call call,
String remainingPostDialSequence) {
Log.d(this, "TelecommCallCallback onStateChanged call=" + call
+ " remainingPostDialSequence=" + remainingPostDialSequence);
update();
}
@Override
public void onVideoCallChanged(android.telecom.Call call,
VideoCall videoCall) {
Log.d(this, "TelecommCallCallback onStateChanged call=" + call + " videoCall="
+ videoCall);
update();
}
@Override
public void onCallDestroyed(android.telecom.Call call) {
Log.d(this, "TelecommCallCallback onStateChanged call=" + call);
call.unregisterCallback(mTelecomCallCallback);
}
@Override
public void onConferenceableCallsChanged(android.telecom.Call call,
List<android.telecom.Call> conferenceableCalls) {
update();
}
};
private android.telecom.Call mTelecommCall;
private final String mId;
private int mState = State.INVALID;
private DisconnectCause mDisconnectCause;
private int mSessionModificationState;
private final List<String> mChildCallIds = new ArrayList<>();
private final VideoSettings mVideoSettings = new VideoSettings();
/**
* mModifyToVideoState is used to store requested upgrade / downgrade video state
*/
private int mModifyToVideoState = VideoProfile.VideoState.AUDIO_ONLY;
private InCallVideoCallCallback mVideoCallCallback;
/**
* Used only to create mock calls for testing
*/
@NeededForTesting
Call(int state) {
mTelecommCall = null;
mId = ID_PREFIX + Integer.toString(sIdCounter++);
setState(state);
}
public Call(android.telecom.Call telecommCall) {
mTelecommCall = telecommCall;
mId = ID_PREFIX + Integer.toString(sIdCounter++);
updateFromTelecommCall();
mTelecommCall.registerCallback(mTelecomCallCallback);
}
public android.telecom.Call getTelecommCall() {
return mTelecommCall;
}
/**
* @return video settings of the call, null if the call is not a video call.
* @see VideoProfile
*/
public VideoSettings getVideoSettings() {
return mVideoSettings;
}
private void update() {
Trace.beginSection("Update");
int oldState = getState();
updateFromTelecommCall();
if (oldState != getState() && getState() == Call.State.DISCONNECTED) {
CallList.getInstance().onDisconnect(this);
} else {
CallList.getInstance().onUpdate(this);
}
Trace.endSection();
}
private void updateFromTelecommCall() {
Log.d(this, "updateFromTelecommCall: " + mTelecommCall.toString());
setState(translateState(mTelecommCall.getState()));
setDisconnectCause(mTelecommCall.getDetails().getDisconnectCause());
if (mTelecommCall.getVideoCall() != null) {
if (mVideoCallCallback == null) {
mVideoCallCallback = new InCallVideoCallCallback(this);
}
mTelecommCall.getVideoCall().registerCallback(mVideoCallCallback);
}
mChildCallIds.clear();
for (int i = 0; i < mTelecommCall.getChildren().size(); i++) {
mChildCallIds.add(
CallList.getInstance().getCallByTelecommCall(
mTelecommCall.getChildren().get(i)).getId());
}
}
private static int translateState(int state) {
switch (state) {
case android.telecom.Call.STATE_NEW:
return Call.State.NEW;
case android.telecom.Call.STATE_CONNECTING:
return Call.State.CONNECTING;
case android.telecom.Call.STATE_SELECT_PHONE_ACCOUNT:
return Call.State.SELECT_PHONE_ACCOUNT;
case android.telecom.Call.STATE_DIALING:
return Call.State.DIALING;
case android.telecom.Call.STATE_RINGING:
return Call.State.INCOMING;
case android.telecom.Call.STATE_ACTIVE:
return Call.State.ACTIVE;
case android.telecom.Call.STATE_HOLDING:
return Call.State.ONHOLD;
case android.telecom.Call.STATE_DISCONNECTED:
return Call.State.DISCONNECTED;
case android.telecom.Call.STATE_DISCONNECTING:
return Call.State.DISCONNECTING;
default:
return Call.State.INVALID;
}
}
public String getId() {
return mId;
}
public String getNumber() {
if (mTelecommCall == null) {
return null;
}
if (mTelecommCall.getDetails().getGatewayInfo() != null) {
return mTelecommCall.getDetails().getGatewayInfo()
.getOriginalAddress().getSchemeSpecificPart();
}
return getHandle() == null ? null : getHandle().getSchemeSpecificPart();
}
public Uri getHandle() {
return mTelecommCall == null ? null : mTelecommCall.getDetails().getHandle();
}
public int getState() {
if (mTelecommCall != null && mTelecommCall.getParent() != null) {
return State.CONFERENCED;
} else {
return mState;
}
}
public void setState(int state) {
mState = state;
}
public int getNumberPresentation() {
return mTelecommCall == null ? null : mTelecommCall.getDetails().getHandlePresentation();
}
public int getCnapNamePresentation() {
return mTelecommCall == null ? null
: mTelecommCall.getDetails().getCallerDisplayNamePresentation();
}
public String getCnapName() {
return mTelecommCall == null ? null
: getTelecommCall().getDetails().getCallerDisplayName();
}
public Bundle getExtras() {
return mTelecommCall == null ? null : mTelecommCall.getDetails().getExtras();
}
/** Returns call disconnect cause, defined by {@link DisconnectCause}. */
public DisconnectCause getDisconnectCause() {
if (mState == State.DISCONNECTED || mState == State.IDLE) {
return mDisconnectCause;
}
return new DisconnectCause(DisconnectCause.UNKNOWN);
}
public void setDisconnectCause(DisconnectCause disconnectCause) {
mDisconnectCause = disconnectCause;
}
/** Returns the possible text message responses. */
public List<String> getCannedSmsResponses() {
return mTelecommCall.getCannedTextResponses();
}
/** Checks if the call supports the given set of capabilities supplied as a bit mask. */
public boolean can(int capabilities) {
int supportedCapabilities = mTelecommCall.getDetails().getCallCapabilities();
if ((capabilities & android.telecom.Call.Details.CAPABILITY_MERGE_CONFERENCE) != 0) {
// We allow you to merge if the capabilities allow it or if it is a call with
// conferenceable calls.
if (mTelecommCall.getConferenceableCalls().isEmpty() &&
((android.telecom.Call.Details.CAPABILITY_MERGE_CONFERENCE
& supportedCapabilities) == 0)) {
// Cannot merge calls if there are no calls to merge with.
return false;
}
capabilities &= ~android.telecom.Call.Details.CAPABILITY_MERGE_CONFERENCE;
}
return (capabilities == (capabilities & mTelecommCall.getDetails().getCallCapabilities()));
}
public boolean hasProperty(int property) {
return mTelecommCall.getDetails().hasProperty(property);
}
/** Gets the time when the call first became active. */
public long getConnectTimeMillis() {
return mTelecommCall.getDetails().getConnectTimeMillis();
}
public boolean isConferenceCall() {
return mTelecommCall.getDetails().hasProperty(
android.telecom.Call.Details.PROPERTY_CONFERENCE);
}
public GatewayInfo getGatewayInfo() {
return mTelecommCall == null ? null : mTelecommCall.getDetails().getGatewayInfo();
}
public PhoneAccountHandle getAccountHandle() {
return mTelecommCall == null ? null : mTelecommCall.getDetails().getAccountHandle();
}
public VideoCall getVideoCall() {
return mTelecommCall == null ? null : mTelecommCall.getVideoCall();
}
public List<String> getChildCallIds() {
return mChildCallIds;
}
public String getParentId() {
android.telecom.Call parentCall = mTelecommCall.getParent();
if (parentCall != null) {
return CallList.getInstance().getCallByTelecommCall(parentCall).getId();
}
return null;
}
public int getVideoState() {
return mTelecommCall.getDetails().getVideoState();
}
public boolean isVideoCall(Context context) {
return CallUtil.isVideoEnabled(context) &&
CallUtils.isVideoCall(getVideoState());
}
/**
* This method is called when we request for a video upgrade or downgrade. This handles the
* session modification state RECEIVED_UPGRADE_TO_VIDEO_REQUEST and sets the video state we
* want to upgrade/downgrade to.
*/
public void setSessionModificationTo(int videoState) {
Log.d(this, "setSessionModificationTo - video state= " + videoState);
if (videoState == getVideoState()) {
mSessionModificationState = Call.SessionModificationState.NO_REQUEST;
Log.w(this,"setSessionModificationTo - Clearing session modification state");
} else {
mSessionModificationState =
Call.SessionModificationState.RECEIVED_UPGRADE_TO_VIDEO_REQUEST;
setModifyToVideoState(videoState);
CallList.getInstance().onUpgradeToVideo(this);
}
Log.d(this, "setSessionModificationTo - mSessionModificationState="
+ mSessionModificationState + " video state= " + videoState);
update();
}
/**
* This method is called to handle any other session modification states other than
* RECEIVED_UPGRADE_TO_VIDEO_REQUEST. We set the modification state and reset the video state
* when an upgrade request has been completed or failed.
*/
public void setSessionModificationState(int state) {
if (state == Call.SessionModificationState.RECEIVED_UPGRADE_TO_VIDEO_REQUEST) {
Log.e(this,
"setSessionModificationState not to be called for RECEIVED_UPGRADE_TO_VIDEO_REQUEST");
return;
}
boolean hasChanged = mSessionModificationState != state;
mSessionModificationState = state;
Log.d(this, "setSessionModificationState " + state + " mSessionModificationState="
+ mSessionModificationState);
if (hasChanged) {
update();
}
}
private void setModifyToVideoState(int newVideoState) {
mModifyToVideoState = newVideoState;
}
public int getModifyToVideoState() {
return mModifyToVideoState;
}
public static boolean areSame(Call call1, Call call2) {
if (call1 == null && call2 == null) {
return true;
} else if (call1 == null || call2 == null) {
return false;
}
// otherwise compare call Ids
return call1.getId().equals(call2.getId());
}
public int getSessionModificationState() {
return mSessionModificationState;
}
@Override
public String toString() {
if (mTelecommCall == null) {
// This should happen only in testing since otherwise we would never have a null
// Telecom call.
return String.valueOf(mId);
}
return String.format(Locale.US, "[%s, %s, %s, children:%s, parent:%s, conferenceable:%s, " +
"videoState:%s, mSessionModificationState:%d, VideoSettings:%s]",
mId,
State.toString(getState()),
android.telecom.Call.Details
.capabilitiesToString(mTelecommCall.getDetails().getCallCapabilities()),
mChildCallIds,
getParentId(),
this.mTelecommCall.getConferenceableCalls(),
VideoProfile.VideoState.videoStateToString(
mTelecommCall.getDetails().getVideoState()),
mSessionModificationState,
getVideoSettings());
}
public String toSimpleString() {
return super.toString();
}
}
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