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      1 /* Copyright (c) 2014, The Linux Foundation. All rights reserved.
      2  *
      3  * Redistribution and use in source and binary forms, with or without
      4  * modification, are permitted provided that the following conditions are
      5  * met:
      6  *     * Redistributions of source code must retain the above copyright
      7  *       notice, this list of conditions and the following disclaimer.
      8  *     * Redistributions in binary form must reproduce the above
      9  *       copyright notice, this list of conditions and the following
     10  *       disclaimer in the documentation and/or other materials provided
     11  *       with the distribution.
     12  *     * Neither the name of The Linux Foundation nor the names of its
     13  *       contributors may be used to endorse or promote products derived
     14  *       from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 package com.android.incallui;
     30 
     31 import android.telecom.VideoProfile;
     32 
     33 import com.google.common.base.Preconditions;
     34 
     35 public class CallUtils {
     36 
     37     public static boolean isVideoCall(Call call) {
     38         return call != null && isVideoCall(call.getVideoState());
     39     }
     40 
     41     public static boolean isVideoCall(int videoState) {
     42         return VideoProfile.isTransmissionEnabled(videoState)
     43                 || VideoProfile.isReceptionEnabled(videoState);
     44     }
     45 
     46     public static boolean isIncomingVideoCall(Call call) {
     47         if (!CallUtils.isVideoCall(call)) {
     48             return false;
     49         }
     50         final int state = call.getState();
     51         return (state == Call.State.INCOMING) || (state == Call.State.CALL_WAITING);
     52     }
     53 
     54     public static boolean isActiveVideoCall(Call call) {
     55         return CallUtils.isVideoCall(call) && call.getState() == Call.State.ACTIVE;
     56     }
     57 
     58     public static boolean isOutgoingVideoCall(Call call) {
     59         if (!CallUtils.isVideoCall(call)) {
     60             return false;
     61         }
     62         final int state = call.getState();
     63         return Call.State.isDialing(state) || state == Call.State.CONNECTING
     64                 || state == Call.State.SELECT_PHONE_ACCOUNT;
     65     }
     66 
     67     public static boolean isAudioCall(Call call) {
     68         return call != null && VideoProfile.isAudioOnly(call.getVideoState());
     69     }
     70 
     71     // TODO (ims-vt) Check if special handling is needed for CONF calls.
     72     public static boolean canVideoPause(Call call) {
     73         return isVideoCall(call) && call.getState() == Call.State.ACTIVE;
     74     }
     75 
     76     public static VideoProfile makeVideoPauseProfile(Call call) {
     77         Preconditions.checkNotNull(call);
     78         Preconditions.checkState(!VideoProfile.isAudioOnly(call.getVideoState()));
     79         return new VideoProfile(getPausedVideoState(call.getVideoState()));
     80     }
     81 
     82     public static VideoProfile makeVideoUnPauseProfile(Call call) {
     83         Preconditions.checkNotNull(call);
     84         return new VideoProfile(getUnPausedVideoState(call.getVideoState()));
     85     }
     86 
     87     public static int getUnPausedVideoState(int videoState) {
     88         return videoState & (~VideoProfile.STATE_PAUSED);
     89     }
     90 
     91     public static int getPausedVideoState(int videoState) {
     92         return videoState | VideoProfile.STATE_PAUSED;
     93     }
     94 
     95 }
     96