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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.incallui.videotech.empty;
import android.content.Context;
import android.support.annotation.Nullable;
import com.android.dialer.common.Assert;
import com.android.incallui.video.protocol.VideoCallScreen;
import com.android.incallui.video.protocol.VideoCallScreenDelegate;
import com.android.incallui.videotech.VideoTech;
import com.android.incallui.videotech.utils.SessionModificationState;
/** Default video tech that is always available but doesn't do anything. */
public class EmptyVideoTech implements VideoTech {
@Override
public boolean isAvailable(Context context) {
return false;
}
@Override
public boolean isTransmittingOrReceiving() {
return false;
}
@Override
public boolean isSelfManagedCamera() {
return false;
}
@Override
public boolean shouldUseSurfaceView() {
return false;
}
@Override
public VideoCallScreenDelegate createVideoCallScreenDelegate(
Context context, VideoCallScreen videoCallScreen) {
throw Assert.createUnsupportedOperationFailException();
}
@Override
public void onCallStateChanged(Context context, int newState) {}
@Override
public void onRemovedFromCallList() {}
@Override
public int getSessionModificationState() {
return SessionModificationState.NO_REQUEST;
}
@Override
public void upgradeToVideo() {}
@Override
public void acceptVideoRequest() {}
@Override
public void acceptVideoRequestAsAudio() {}
@Override
public void declineVideoRequest() {}
@Override
public boolean isTransmitting() {
return false;
}
@Override
public void stopTransmission() {}
@Override
public void resumeTransmission() {}
@Override
public void pause() {}
@Override
public void unpause() {}
@Override
public void setCamera(@Nullable String cameraId) {}
@Override
public void setDeviceOrientation(int rotation) {}
}
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