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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.Point;
import android.graphics.Rect;
import android.view.Surface;
import android.view.IScrollCaptureClient;
/**
* Interface to a controller passed to the {@link IScrollCaptureClient} which provides the client an
* asynchronous callback channel for responses.
*
* {@hide}
*/
interface IScrollCaptureController {
/**
* Scroll capture is available, and a client connect has been returned.
*
* @param client interface to a ScrollCaptureCallback in the window process
* @param scrollAreaInWindow the location of scrolling in global (window) coordinate space
*/
oneway void onClientConnected(in IScrollCaptureClient client, in Rect scrollBounds,
in Point positionInWindow);
/**
* Nothing in the window can be scrolled, scroll capture not offered.
*/
oneway void onClientUnavailable();
/**
* Notifies the system that the client has confirmed the request and is ready to begin providing
* image requests.
*/
oneway void onCaptureStarted();
/**
* Received a response from a capture request.
*/
oneway void onCaptureBufferSent(long frameNumber, in Rect capturedArea);
/**
* Signals that the capture session has completed and the target window may be returned to
* normal interactive use. This may be due to normal shutdown, or after a timeout or other
* unrecoverable state change such as activity lifecycle, window visibility or focus.
*/
oneway void onConnectionClosed();
}
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