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101 lines
3.6 KiB
101 lines
3.6 KiB
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware;
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/** @hide */
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interface ICameraServiceListener
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{
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/**
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* Initial status will be transmitted with onStatusChange immediately
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* after this listener is added to the service listener list.
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*
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* Allowed transitions:
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*
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* (Any) -> NOT_PRESENT
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* NOT_PRESENT -> PRESENT
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* NOT_PRESENT -> ENUMERATING
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* ENUMERATING -> PRESENT
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* PRESENT -> NOT_AVAILABLE
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* NOT_AVAILABLE -> PRESENT
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*
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* A state will never immediately transition back to itself.
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*
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* The enums must match the values in
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* include/hardware/camera_common.h when applicable
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*/
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// Device physically unplugged
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const int STATUS_NOT_PRESENT = 0;
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// Device physically has been plugged in and the camera can be used exclusively
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const int STATUS_PRESENT = 1;
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// Device physically has been plugged in but it will not be connect-able until enumeration is
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// complete
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const int STATUS_ENUMERATING = 2;
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// Camera is in use by another app and cannot be used exclusively
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const int STATUS_NOT_AVAILABLE = -2;
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// Use to initialize variables only
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const int STATUS_UNKNOWN = -1;
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oneway void onStatusChanged(int status, String cameraId);
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/**
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* Notify registered client about status changes for a physical camera backing
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* a logical camera.
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*/
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oneway void onPhysicalCameraStatusChanged(int status, String cameraId, String physicalCameraId);
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/**
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* The torch mode status of a camera.
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*
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* Initial status will be transmitted with onTorchStatusChanged immediately
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* after this listener is added to the service listener list.
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*
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* The enums must match the values in
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* include/hardware/camera_common.h
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*/
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// The camera's torch mode has become not available to use via
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// setTorchMode().
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const int TORCH_STATUS_NOT_AVAILABLE = 0;
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// The camera's torch mode is off and available to be turned on via
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// setTorchMode().
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const int TORCH_STATUS_AVAILABLE_OFF = 1;
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// The camera's torch mode is on and available to be turned off via
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// setTorchMode().
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const int TORCH_STATUS_AVAILABLE_ON = 2;
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// Use to initialize variables only
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const int TORCH_STATUS_UNKNOWN = -1;
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oneway void onTorchStatusChanged(int status, String cameraId);
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/**
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* Notify registered clients about camera access priority changes.
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* Clients which were previously unable to open a certain camera device
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* can retry after receiving this callback.
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*/
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oneway void onCameraAccessPrioritiesChanged();
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/**
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* Notify registered clients about cameras being opened/closed.
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* Only clients with android.permission.CAMERA_OPEN_CLOSE_LISTENER permission
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* will receive such callbacks.
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*/
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oneway void onCameraOpened(String cameraId, String clientPackageId);
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oneway void onCameraClosed(String cameraId);
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}
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