/*
* Copyright (C) 2015 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 android.hardware.camera2.impl;
/**
* Internal interface for CameraDeviceImpl to CameraCaptureSessionImpl(s) communication
*/
public interface CameraCaptureSessionCore {
/**
* Replace this session with another session.
*
* <p>This is an optimization to avoid unconfiguring and then immediately having to
* reconfigure again.</p>
*
* <p>The semantics are identical to {@link #close}, except that unconfiguring will be skipped.
* </p>
*
* <p>After this call completes, the session will not call any further methods on the camera
* device.</p>
*
* @see CameraCaptureSession#close
*/
void replaceSessionClose();
/**
*
* Create an internal state callback, to be invoked on the mDeviceHandler
*
* <p>It has a few behaviors:
* <ul>
* <li>Convert device state changes into session state changes.
* <li>Keep track of async tasks that the session began (idle, abort).
* </ul>
* </p>
* */
CameraDeviceImpl.StateCallbackKK getDeviceStateCallback();
/**
* Whether currently in mid-abort.
*
* <p>This is used by the implementation to set the capture failure
* reason, in lieu of more accurate error codes from the camera service.
* Unsynchronized to avoid deadlocks between simultaneous session->device,
* device->session calls.</p>
*
*/
boolean isAborting();
}