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; 18 19 import android.content.Context; 20 import android.support.annotation.NonNull; 21 import android.support.annotation.Nullable; 22 import android.telecom.PhoneAccountHandle; 23 import com.android.dialer.logging.DialerImpression; 24 import com.android.incallui.video.protocol.VideoCallScreen; 25 import com.android.incallui.video.protocol.VideoCallScreenDelegate; 26 import com.android.incallui.videotech.utils.SessionModificationState; 27 28 /** Video calling interface. */ 29 public interface VideoTech { 30 isAvailable(Context context, PhoneAccountHandle phoneAccountHandle)31 boolean isAvailable(Context context, PhoneAccountHandle phoneAccountHandle); 32 isTransmittingOrReceiving()33 boolean isTransmittingOrReceiving(); 34 35 /** 36 * Determines if the answer video UI should open the camera directly instead of letting the video 37 * tech manage the camera. 38 */ isSelfManagedCamera()39 boolean isSelfManagedCamera(); 40 shouldUseSurfaceView()41 boolean shouldUseSurfaceView(); 42 43 /** 44 * Returns true if the video is paused. This is different than if the video stream has been turned 45 * off. 46 * 47 * <p>See {@link #isTransmitting()} 48 */ isPaused()49 boolean isPaused(); 50 createVideoCallScreenDelegate( Context context, VideoCallScreen videoCallScreen)51 VideoCallScreenDelegate createVideoCallScreenDelegate( 52 Context context, VideoCallScreen videoCallScreen); 53 onCallStateChanged(Context context, int newState, PhoneAccountHandle phoneAccountHandle)54 void onCallStateChanged(Context context, int newState, PhoneAccountHandle phoneAccountHandle); 55 onRemovedFromCallList()56 void onRemovedFromCallList(); 57 58 @SessionModificationState getSessionModificationState()59 int getSessionModificationState(); 60 upgradeToVideo(@onNull Context context)61 void upgradeToVideo(@NonNull Context context); 62 acceptVideoRequest(@onNull Context context)63 void acceptVideoRequest(@NonNull Context context); 64 acceptVideoRequestAsAudio()65 void acceptVideoRequestAsAudio(); 66 declineVideoRequest()67 void declineVideoRequest(); 68 isTransmitting()69 boolean isTransmitting(); 70 stopTransmission()71 void stopTransmission(); 72 resumeTransmission(@onNull Context context)73 void resumeTransmission(@NonNull Context context); 74 pause()75 void pause(); 76 unpause()77 void unpause(); 78 setCamera(@ullable String cameraId)79 void setCamera(@Nullable String cameraId); 80 setDeviceOrientation(int rotation)81 void setDeviceOrientation(int rotation); 82 83 /** 84 * Called on {@code VideoTechManager.savedTech} when it's first selected and it will always be 85 * used. 86 */ becomePrimary()87 void becomePrimary(); 88 getVideoTechType()89 com.android.dialer.logging.VideoTech.Type getVideoTechType(); 90 91 /** Listener for video call events. */ 92 interface VideoTechListener { 93 onVideoTechStateChanged()94 void onVideoTechStateChanged(); 95 onSessionModificationStateChanged()96 void onSessionModificationStateChanged(); 97 onCameraDimensionsChanged(int width, int height)98 void onCameraDimensionsChanged(int width, int height); 99 onPeerDimensionsChanged(int width, int height)100 void onPeerDimensionsChanged(int width, int height); 101 onVideoUpgradeRequestReceived()102 void onVideoUpgradeRequestReceived(); 103 onUpgradedToVideo(boolean switchToSpeaker)104 void onUpgradedToVideo(boolean switchToSpeaker); 105 onImpressionLoggingNeeded(DialerImpression.Type impressionType)106 void onImpressionLoggingNeeded(DialerImpression.Type impressionType); 107 } 108 } 109