1 /* 2 * Copyright (C) 2017 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.incallui.videotech.utils; 18 19 import android.support.annotation.IntDef; 20 import java.lang.annotation.Retention; 21 import java.lang.annotation.RetentionPolicy; 22 23 /** 24 * Defines different states of session modify requests, which are used to upgrade to video, or 25 * downgrade to audio. 26 */ 27 @Retention(RetentionPolicy.SOURCE) 28 @IntDef({ 29 SessionModificationState.NO_REQUEST, 30 SessionModificationState.WAITING_FOR_UPGRADE_TO_VIDEO_RESPONSE, 31 SessionModificationState.REQUEST_FAILED, 32 SessionModificationState.RECEIVED_UPGRADE_TO_VIDEO_REQUEST, 33 SessionModificationState.UPGRADE_TO_VIDEO_REQUEST_TIMED_OUT, 34 SessionModificationState.UPGRADE_TO_VIDEO_REQUEST_FAILED, 35 SessionModificationState.REQUEST_REJECTED, 36 SessionModificationState.WAITING_FOR_RESPONSE 37 }) 38 public @interface SessionModificationState { 39 int NO_REQUEST = 0; 40 int WAITING_FOR_UPGRADE_TO_VIDEO_RESPONSE = 1; 41 int REQUEST_FAILED = 2; 42 int RECEIVED_UPGRADE_TO_VIDEO_REQUEST = 3; 43 int UPGRADE_TO_VIDEO_REQUEST_TIMED_OUT = 4; 44 int UPGRADE_TO_VIDEO_REQUEST_FAILED = 5; 45 int REQUEST_REJECTED = 6; 46 int WAITING_FOR_RESPONSE = 7; 47 } 48
