1 files changed, 21 insertions, 1 deletions
diff --git a/java/com/android/incallui/videotech/ims/ImsVideoTech.java b/java/com/android/incallui/videotech/ims/ImsVideoTech.java
index a6cef7b81..3d73e4e7d 100644
--- a/java/com/android/incallui/videotech/ims/ImsVideoTech.java
+++ b/java/com/android/incallui/videotech/ims/ImsVideoTech.java
@@ -19,6 +19,7 @@ package com.android.incallui.videotech.ims;
 import android.content.Context;
 import android.os.Build;
 import android.support.annotation.Nullable;
+import android.support.annotation.VisibleForTesting;
 import android.telecom.Call;
 import android.telecom.Call.Details;
 import android.telecom.VideoProfile;
@@ -40,7 +41,8 @@ public class ImsVideoTech implements VideoTech {
   private @SessionModificationState int sessionModificationState =
       SessionModificationState.NO_REQUEST;
   private int previousVideoState = VideoProfile.STATE_AUDIO_ONLY;
-  private boolean paused = false;
+
+  @VisibleForTesting boolean paused = false;
 
   public ImsVideoTech(LoggingBindings logger, VideoTechListener listener, Call call) {
     this.logger = logger;
@@ -247,6 +249,24 @@ public class ImsVideoTech implements VideoTech {
     call.getVideoCall().setDeviceOrientation(rotation);
   }
 
+  /**
+   * Called when we receive an rx_pause from the IMS stack. Update our state so we know we are
+   * currently paused. This is important in the cases where we swap calls since pause() and
+   * unpause() are not called.
+   */
+  void onPausedEvent() {
+    paused = true;
+  }
+
+  /**
+   * Called when we receive an rx_resume from the IMS stack. Update our state so we know we are
+   * currently not paused. This is important in the cases where we swap calls since pause() and
+   * unpause() are not called.
+   */
+  void onResumedEvent() {
+    paused = false;
+  }
+
   private boolean canPause() {
     return call.getDetails().can(Details.CAPABILITY_CAN_PAUSE_VIDEO)
         && call.getState() == Call.STATE_ACTIVE