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DTMF dialing support in frameworks/base

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Change-Id: I86695161fab9c4fbd4a021ba69cc61ec5e585adc
This commit is contained in:
Ihab Awad
2014-03-10 15:33:45 -07:00
parent 61d2bec6ce
commit 2f23664b4f
10 changed files with 278 additions and 255 deletions
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111
telecomm/java/android/telecomm/InCallService.java
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@@ -23,6 +23,7 @@ import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import com.android.internal.os.SomeArgs;
import com.android.internal.telecomm.IInCallAdapter;
import com.android.internal.telecomm.IInCallService;
@@ -41,6 +42,10 @@ public abstract class InCallService extends Service {
private static final int MSG_SET_DISCONNECTED = 4;
private static final int MSG_SET_HOLD = 5;
private static final int MSG_ON_AUDIO_STATE_CHANGED = 6;
private static final int MSG_SET_DIALING = 7;
private static final int MSG_SET_RINGING = 8;
private static final int MSG_SET_POST_DIAL = 9;
private static final int MSG_SET_POST_DIAL_WAIT = 10;
/** Default Handler used to consolidate binder method calls onto a single thread. */
private final Handler mHandler = new Handler(Looper.getMainLooper()) {
@@ -57,6 +62,34 @@ public abstract class InCallService extends Service {
case MSG_SET_ACTIVE:
setActive((String) msg.obj);
break;
case MSG_SET_DIALING:
setDialing((String) msg.obj);
break;
case MSG_SET_RINGING:
setRinging((String) msg.obj);
break;
case MSG_SET_POST_DIAL: {
SomeArgs args = (SomeArgs) msg.obj;
try {
String callId = (String) args.arg1;
String remaining = (String) args.arg2;
setPostDial(callId, remaining);
} finally {
args.recycle();
}
break;
}
case MSG_SET_POST_DIAL_WAIT: {
SomeArgs args = (SomeArgs) msg.obj;
try {
String callId = (String) args.arg1;
String remaining = (String) args.arg2;
setPostDialWait(callId, remaining);
} finally {
args.recycle();
}
break;
}
case MSG_SET_DISCONNECTED:
setDisconnected((String) msg.obj, msg.arg1);
break;
@@ -108,6 +141,32 @@ public abstract class InCallService extends Service {
public void onAudioStateChanged(CallAudioState audioState) {
mHandler.obtainMessage(MSG_ON_AUDIO_STATE_CHANGED, audioState).sendToTarget();
}
@Override
public void setDialing(String callId) {
mHandler.obtainMessage(MSG_SET_DIALING, callId).sendToTarget();
}
@Override
public void setRinging(String callId) {
mHandler.obtainMessage(MSG_SET_RINGING, callId).sendToTarget();
}
@Override
public void setPostDial(String callId, String remaining) {
SomeArgs args = SomeArgs.obtain();
args.arg1 = callId;
args.arg2 = remaining;
mHandler.obtainMessage(MSG_SET_POST_DIAL, args).sendToTarget();
}
@Override
public void setPostDialWait(String callId, String remaining) {
SomeArgs args = SomeArgs.obtain();
args.arg1 = callId;
args.arg2 = remaining;
mHandler.obtainMessage(MSG_SET_POST_DIAL_WAIT, args).sendToTarget();
}
}
private final InCallServiceBinder mBinder;
@@ -140,12 +199,35 @@ public abstract class InCallService extends Service {
protected abstract void addCall(CallInfo callInfo);
/**
* Indicates to the in-call app that a call has moved to the {@link CallState#ACTIVE} state.
* Indicates to the in-call app that the specified call is currently connected to another party
* and a communication channel is open between them. Normal transitions are to
* {@link #setDisconnected(String)} when the call is complete.
*
* @param callId The identifier of the call that became active.
* @param callId The identifier of the call changing state.
*/
protected abstract void setActive(String callId);
/**
* Indicates to the in-call app that the specified call is outgoing and in the dialing state.
* Normal transition are to {@link #setActive(String)} if the call was answered,
* {@link #setPostDial(String,String)} if the dialed number includes a post-dial DTMF string, or
* {@link #setDisconnected(String)} if the call was disconnected immediately.
*
* @param callId The identifier of the call changing state.
*/
protected abstract void setDialing(String callId);
/**
* Indicates to the in-call app that the specified call is incoming and the user still has the
* option of answering, rejecting, or doing nothing with the call. This state is usually
* associated with some type of audible ringtone. Normal transitions are to
* {@link #setActive(String)} if the call is answered, or {@link #setDisconnected(String)} if
* the call is not answered or is otherwise disconnected for some reason.
*
* @param callId The identifier of the call changing state.
*/
protected abstract void setRinging(String callId);
/**
* Indicates to the in-call app that a call has been moved to the
* {@link CallState#DISCONNECTED} and the user should be notified.
@@ -170,4 +252,29 @@ public abstract class InCallService extends Service {
* @param audioState The new {@link CallAudioState}.
*/
protected abstract void onAudioStateChanged(CallAudioState audioState);
/**
* Indicates to the in-call app that the specified call is active but in a "post-dial" state
* where Telecomm is now sending some dual-tone multi-frequency signaling (DTMF) tones appended
* to the dialed number. Normal transitions are to {@link #setPostDialWait(String,String)} when
* the post-dial string requires user confirmation to proceed, {@link #setActive(String)} when
* the post-dial tones are completed, or {@link #setDisconnected(String)} if the call is
* disconnected.
*
* @param callId The identifier of the call changing state.
* @param remaining The remaining postdial string to be dialed.
*/
protected abstract void setPostDial(String callId, String remaining);
/**
* Indicates to the in-call app that the specified call was in the
* {@link #setPostDial(String,String)} state but is now waiting for user confirmation before the
* remaining digits can be sent. Normal transitions are to {@link #setPostDial(String,String)}
* when the user asks Telecomm to proceed with the post-dial sequence and the in-call app
* informs Telecomm of this by invoking {@link IInCallAdapter#postDialContinue(String)}.
*
* @param callId The identifier of the call changing state.
* @param remaining The remaining postdial string to be dialed.
*/
protected abstract void setPostDialWait(String callId, String remaining);
}