| /* |
| * 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(); |
| } |