1 /*
2  * Copyright (c) 2013 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.ims;
18 
19 import android.os.Bundle;
20 import android.os.Parcel;
21 import android.os.Parcelable;
22 import android.telecom.VideoProfile;
23 
24 import com.android.internal.telephony.PhoneConstants;
25 
26 /**
27  * Parcelable object to handle IMS call profile.
28  * It is created from GSMA IR.92/IR.94, 3GPP TS 24.229/TS 26.114/TS26.111.
29  * It provides the service and call type, the additional information related to the call.
30  *
31  * @hide
32  */
33 public class ImsCallProfile implements Parcelable {
34     private static final String TAG = "ImsCallProfile";
35 
36     /**
37      * Service types
38      */
39     /**
40      * It is for a special case. It helps that the application can make a call
41      * without IMS connection (not registered).
42      * In the moment of the call initiation, the device try to connect to the IMS network
43      * and initiates the call.
44      */
45     public static final int SERVICE_TYPE_NONE = 0;
46     /**
47      * It is a default type and can be selected when the device is connected to the IMS network.
48      */
49     public static final int SERVICE_TYPE_NORMAL = 1;
50     /**
51      * It is for an emergency call.
52      */
53     public static final int SERVICE_TYPE_EMERGENCY = 2;
54 
55     /**
56      * Call types
57      */
58     /**
59      * IMSPhone to support IR.92 & IR.94 (voice + video upgrade/downgrade)
60      */
61     public static final int CALL_TYPE_VOICE_N_VIDEO = 1;
62     /**
63      * IR.92 (Voice only)
64      */
65     public static final int CALL_TYPE_VOICE = 2;
66     /**
67      * VT to support IR.92 & IR.94 (voice + video upgrade/downgrade)
68      */
69     public static final int CALL_TYPE_VIDEO_N_VOICE = 3;
70     /**
71      * Video Telephony (audio / video two way)
72      */
73     public static final int CALL_TYPE_VT = 4;
74     /**
75      * Video Telephony (audio two way / video TX one way)
76      */
77     public static final int CALL_TYPE_VT_TX = 5;
78     /**
79      * Video Telephony (audio two way / video RX one way)
80      */
81     public static final int CALL_TYPE_VT_RX = 6;
82     /**
83      * Video Telephony (audio two way / video inactive)
84      */
85     public static final int CALL_TYPE_VT_NODIR = 7;
86     /**
87      * VideoShare (video two way)
88      */
89     public static final int CALL_TYPE_VS = 8;
90     /**
91      * VideoShare (video TX one way)
92      */
93     public static final int CALL_TYPE_VS_TX = 9;
94     /**
95      * VideoShare (video RX one way)
96      */
97     public static final int CALL_TYPE_VS_RX = 10;
98 
99     /**
100      * Extra properties for IMS call.
101      */
102     /**
103      * Boolean extra properties - "true" / "false"
104      *  conference : Indicates if the session is for the conference call or not.
105      *  e_call : Indicates if the session is for the emergency call or not.
106      *  vms : Indicates if the session is connected to the voice mail system or not.
107      *  call_mode_changeable : Indicates if the session is able to upgrade/downgrade
108      *      the video during voice call.
109      *  conference_avail : Indicates if the session can be extended to the conference.
110      */
111     public static final String EXTRA_CONFERENCE = "conference";
112     public static final String EXTRA_E_CALL = "e_call";
113     public static final String EXTRA_VMS = "vms";
114     public static final String EXTRA_CALL_MODE_CHANGEABLE = "call_mode_changeable";
115     public static final String EXTRA_CONFERENCE_AVAIL = "conference_avail";
116 
117     // Extra string for internal use only. OEMs should not use
118     // this for packing extras.
119     public static final String EXTRA_OEM_EXTRAS = "OemCallExtras";
120 
121     /**
122      * Integer extra properties
123      *  oir : Rule for originating identity (number) presentation, MO/MT.
124      *      {@link ImsCallProfile#OIR_DEFAULT}
125      *      {@link ImsCallProfile#OIR_PRESENTATION_RESTRICTED}
126      *      {@link ImsCallProfile#OIR_PRESENTATION_NOT_RESTRICTED}
127      *  cnap : Rule for calling name presentation
128      *      {@link ImsCallProfile#OIR_DEFAULT}
129      *      {@link ImsCallProfile#OIR_PRESENTATION_RESTRICTED}
130      *      {@link ImsCallProfile#OIR_PRESENTATION_NOT_RESTRICTED}
131      *  dialstring : To identify the Ims call type, MO
132      *      {@link ImsCallProfile#DIALSTRING_NORMAL_CALL}
133      *      {@link ImsCallProfile#DIALSTRING_SS_CONF}
134      *      {@link ImsCallProfile#DIALSTRING_USSD}
135      */
136     public static final String EXTRA_OIR = "oir";
137     public static final String EXTRA_CNAP = "cnap";
138     public static final String EXTRA_DIALSTRING = "dialstring";
139 
140     /**
141      * Values for EXTRA_OIR / EXTRA_CNAP
142      */
143     public static final int OIR_DEFAULT = 0;    // "user subscription default value"
144     public static final int OIR_PRESENTATION_RESTRICTED = 1;
145     public static final int OIR_PRESENTATION_NOT_RESTRICTED = 2;
146     public static final int OIR_PRESENTATION_UNKNOWN = 3;
147     public static final int OIR_PRESENTATION_PAYPHONE = 4;
148 
149     /**
150      * Values for EXTRA_DIALSTRING
151      */
152     // default (normal call)
153     public static final int DIALSTRING_NORMAL = 0;
154     // Call for SIP-based user configuration
155     public static final int DIALSTRING_SS_CONF = 1;
156     // Call for USSD message
157     public static final int DIALSTRING_USSD = 2;
158 
159     /**
160      * Values for causes that restrict call types
161      */
162     // Default cause not restricted at peer and HD is supported
163     public static final int CALL_RESTRICT_CAUSE_NONE = 0;
164     // Service not supported by RAT at peer
165     public static final int CALL_RESTRICT_CAUSE_RAT = 1;
166     // Service Disabled at peer
167     public static final int CALL_RESTRICT_CAUSE_DISABLED = 2;
168     // HD is not supported
169     public static final int CALL_RESTRICT_CAUSE_HD = 3;
170 
171     /**
172      * String extra properties
173      *  oi : Originating identity (number), MT only
174      *  cna : Calling name
175      *  ussd : For network-initiated USSD, MT only
176      *  remote_uri : Connected user identity (it can be used for the conference)
177      */
178     public static final String EXTRA_OI = "oi";
179     public static final String EXTRA_CNA = "cna";
180     public static final String EXTRA_USSD = "ussd";
181     public static final String EXTRA_REMOTE_URI = "remote_uri";
182 
183     public int mServiceType;
184     public int mCallType;
185     public int mRestrictCause = CALL_RESTRICT_CAUSE_NONE;
186     public Bundle mCallExtras;
187     public ImsStreamMediaProfile mMediaProfile;
188 
ImsCallProfile(Parcel in)189     public ImsCallProfile(Parcel in) {
190         readFromParcel(in);
191     }
192 
ImsCallProfile()193     public ImsCallProfile() {
194         mServiceType = SERVICE_TYPE_NORMAL;
195         mCallType = CALL_TYPE_VOICE_N_VIDEO;
196         mCallExtras = new Bundle();
197         mMediaProfile = new ImsStreamMediaProfile();
198     }
199 
ImsCallProfile(int serviceType, int callType)200     public ImsCallProfile(int serviceType, int callType) {
201         mServiceType = serviceType;
202         mCallType = callType;
203         mCallExtras = new Bundle();
204         mMediaProfile = new ImsStreamMediaProfile();
205     }
206 
getCallExtra(String name)207     public String getCallExtra(String name) {
208         return getCallExtra(name, "");
209     }
210 
getCallExtra(String name, String defaultValue)211     public String getCallExtra(String name, String defaultValue) {
212         if (mCallExtras == null) {
213             return defaultValue;
214         }
215 
216         return mCallExtras.getString(name, defaultValue);
217     }
218 
getCallExtraBoolean(String name)219     public boolean getCallExtraBoolean(String name) {
220         return getCallExtraBoolean(name, false);
221     }
222 
getCallExtraBoolean(String name, boolean defaultValue)223     public boolean getCallExtraBoolean(String name, boolean defaultValue) {
224         if (mCallExtras == null) {
225             return defaultValue;
226         }
227 
228         return mCallExtras.getBoolean(name, defaultValue);
229     }
230 
getCallExtraInt(String name)231     public int getCallExtraInt(String name) {
232         return getCallExtraInt(name, -1);
233     }
234 
getCallExtraInt(String name, int defaultValue)235     public int getCallExtraInt(String name, int defaultValue) {
236         if (mCallExtras == null) {
237             return defaultValue;
238         }
239 
240         return mCallExtras.getInt(name, defaultValue);
241     }
242 
setCallExtra(String name, String value)243     public void setCallExtra(String name, String value) {
244         if (mCallExtras != null) {
245             mCallExtras.putString(name, value);
246         }
247     }
248 
setCallExtraBoolean(String name, boolean value)249     public void setCallExtraBoolean(String name, boolean value) {
250         if (mCallExtras != null) {
251             mCallExtras.putBoolean(name, value);
252         }
253     }
254 
setCallExtraInt(String name, int value)255     public void setCallExtraInt(String name, int value) {
256         if (mCallExtras != null) {
257             mCallExtras.putInt(name, value);
258         }
259     }
260 
updateCallType(ImsCallProfile profile)261     public void updateCallType(ImsCallProfile profile) {
262         mCallType = profile.mCallType;
263     }
264 
updateCallExtras(ImsCallProfile profile)265     public void updateCallExtras(ImsCallProfile profile) {
266         mCallExtras.clear();
267         mCallExtras = (Bundle) profile.mCallExtras.clone();
268     }
269 
270     @Override
toString()271     public String toString() {
272         return "{ serviceType=" + mServiceType +
273                 ", callType=" + mCallType +
274                 ", restrictCause=" + mRestrictCause +
275                 ", mediaProfile=" + mMediaProfile.toString() + " }";
276     }
277 
278     @Override
describeContents()279     public int describeContents() {
280         return 0;
281     }
282 
283     @Override
writeToParcel(Parcel out, int flags)284     public void writeToParcel(Parcel out, int flags) {
285         out.writeInt(mServiceType);
286         out.writeInt(mCallType);
287         out.writeParcelable(mCallExtras, 0);
288         out.writeParcelable(mMediaProfile, 0);
289     }
290 
readFromParcel(Parcel in)291     private void readFromParcel(Parcel in) {
292         mServiceType = in.readInt();
293         mCallType = in.readInt();
294         mCallExtras = in.readParcelable(null);
295         mMediaProfile = in.readParcelable(null);
296     }
297 
298     public static final Creator<ImsCallProfile> CREATOR = new Creator<ImsCallProfile>() {
299         @Override
300         public ImsCallProfile createFromParcel(Parcel in) {
301             return new ImsCallProfile(in);
302         }
303 
304         @Override
305         public ImsCallProfile[] newArray(int size) {
306             return new ImsCallProfile[size];
307         }
308     };
309 
310     /**
311      * Converts from the call types defined in {@link com.android.ims.ImsCallProfile} to the
312      * video state values defined in {@link VideoProfile}.
313      *
314      * @param callType The call type.
315      * @return The video state.
316      */
getVideoStateFromImsCallProfile(ImsCallProfile callProfile)317     public static int getVideoStateFromImsCallProfile(ImsCallProfile callProfile) {
318         int videostate = VideoProfile.STATE_AUDIO_ONLY;
319         switch (callProfile.mCallType) {
320             case CALL_TYPE_VT_TX:
321                 videostate = VideoProfile.STATE_TX_ENABLED;
322                 break;
323             case CALL_TYPE_VT_RX:
324                 videostate = VideoProfile.STATE_RX_ENABLED;
325                 break;
326             case CALL_TYPE_VT:
327                 videostate = VideoProfile.STATE_BIDIRECTIONAL;
328                 break;
329             case CALL_TYPE_VOICE:
330                 videostate = VideoProfile.STATE_AUDIO_ONLY;
331                 break;
332             default:
333                 videostate = VideoProfile.STATE_AUDIO_ONLY;
334                 break;
335         }
336         if (callProfile.isVideoPaused() && !VideoProfile.isAudioOnly(videostate)) {
337             videostate |= VideoProfile.STATE_PAUSED;
338         } else {
339             videostate &= ~VideoProfile.STATE_PAUSED;
340         }
341         return videostate;
342     }
343 
344     /**
345      * Converts from the video state values defined in {@link VideoProfile}
346      * to the call types defined in {@link ImsCallProfile}.
347      *
348      * @param videoState The video state.
349      * @return The call type.
350      */
getCallTypeFromVideoState(int videoState)351     public static int getCallTypeFromVideoState(int videoState) {
352         boolean videoTx = isVideoStateSet(videoState, VideoProfile.STATE_TX_ENABLED);
353         boolean videoRx = isVideoStateSet(videoState, VideoProfile.STATE_RX_ENABLED);
354         boolean isPaused = isVideoStateSet(videoState, VideoProfile.STATE_PAUSED);
355         if (isPaused) {
356             return ImsCallProfile.CALL_TYPE_VT_NODIR;
357         } else if (videoTx && !videoRx) {
358             return ImsCallProfile.CALL_TYPE_VT_TX;
359         } else if (!videoTx && videoRx) {
360             return ImsCallProfile.CALL_TYPE_VT_RX;
361         } else if (videoTx && videoRx) {
362             return ImsCallProfile.CALL_TYPE_VT;
363         }
364         return ImsCallProfile.CALL_TYPE_VOICE;
365     }
366 
367     /**
368      * Translate presentation value to OIR value
369      * @param presentation
370      * @return OIR valuse
371      */
presentationToOIR(int presentation)372     public static int presentationToOIR(int presentation) {
373         switch (presentation) {
374             case PhoneConstants.PRESENTATION_RESTRICTED:
375                 return ImsCallProfile.OIR_PRESENTATION_RESTRICTED;
376             case PhoneConstants.PRESENTATION_ALLOWED:
377                 return ImsCallProfile.OIR_PRESENTATION_NOT_RESTRICTED;
378             case PhoneConstants.PRESENTATION_PAYPHONE:
379                 return ImsCallProfile.OIR_PRESENTATION_PAYPHONE;
380             case PhoneConstants.PRESENTATION_UNKNOWN:
381                 return ImsCallProfile.OIR_PRESENTATION_UNKNOWN;
382             default:
383                 return ImsCallProfile.OIR_DEFAULT;
384         }
385     }
386 
387     /**
388      * Translate OIR value to presentation value
389      * @param oir value
390      * @return presentation value
391      */
OIRToPresentation(int oir)392     public static int OIRToPresentation(int oir) {
393         switch(oir) {
394             case ImsCallProfile.OIR_PRESENTATION_RESTRICTED:
395                 return PhoneConstants.PRESENTATION_RESTRICTED;
396             case ImsCallProfile.OIR_PRESENTATION_NOT_RESTRICTED:
397                 return PhoneConstants.PRESENTATION_ALLOWED;
398             case ImsCallProfile.OIR_PRESENTATION_PAYPHONE:
399                 return PhoneConstants.PRESENTATION_PAYPHONE;
400             case ImsCallProfile.OIR_PRESENTATION_UNKNOWN:
401                 return PhoneConstants.PRESENTATION_UNKNOWN;
402             default:
403                 return PhoneConstants.PRESENTATION_UNKNOWN;
404         }
405     }
406 
407     /**
408      * Checks if video call is paused
409      * @return true if call is video paused
410      */
isVideoPaused()411     public boolean isVideoPaused() {
412         return mMediaProfile.mVideoDirection == ImsStreamMediaProfile.DIRECTION_INACTIVE;
413     }
414 
415     /**
416      * Determines if a video state is set in a video state bit-mask.
417      *
418      * @param videoState The video state bit mask.
419      * @param videoStateToCheck The particular video state to check.
420      * @return True if the video state is set in the bit-mask.
421      */
isVideoStateSet(int videoState, int videoStateToCheck)422     private static boolean isVideoStateSet(int videoState, int videoStateToCheck) {
423         return (videoState & videoStateToCheck) == videoStateToCheck;
424     }
425 }
426