| /* |
| * 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(); |
| |
| /** |
| * Close the capture session without draining the pending requests. |
| * |
| * <p>This is usually used when switching to offline session mode. Depending |
| * on the client input, some of the pending requests will be flushed and some |
| * will remain for further processing. In either case, the regular drain logic |
| * needs to be skipped.</p> |
| * |
| */ |
| void closeWithoutDraining(); |
| } |