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/*
* Copyright (C) 2020 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.view;
import android.graphics.Rect;
import android.os.ICancellationSignal;
import android.view.IScrollCaptureCallbacks;
import android.view.Surface;
/**
* A remote connection to a scroll capture target.
*
* {@hide}
*/
interface IScrollCaptureConnection {
/**
* Informs the target that it has been selected for scroll capture.
*
* @param surface used to shuttle image buffers between processes
* @param callbacks a return channel for requests
*
* @return a cancallation signal which is used cancel the start request
*/
ICancellationSignal startCapture(in Surface surface, IScrollCaptureCallbacks callbacks);
/**
* Request the target capture an image within the provided rectangle.
*
* @param surface a return channel for image buffers
* @param signal a cancallation signal which can interrupt the request
*
* @return a cancallation signal which is used cancel the request
*/
ICancellationSignal requestImage(in Rect captureArea);
/**
* Inform the target that capture has ended.
*
* @return a cancallation signal which is used cancel the request
*/
ICancellationSignal endCapture();
/**
* Closes the connection.
*/
oneway void close();
}
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