1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.screenshot.scroll; 18 19 import android.graphics.Rect; 20 21 import com.android.systemui.dagger.SysUISingleton; 22 23 import java.util.concurrent.atomic.AtomicReference; 24 25 import javax.inject.Inject; 26 27 /** 28 * LongScreenshotData holds on to 1 LongScreenshot reference and 1 TransitionDestination 29 * reference, to facilitate indirect in-process passing. 30 */ 31 @SysUISingleton 32 public class LongScreenshotData { 33 private final AtomicReference<ScrollCaptureController.LongScreenshot> mLongScreenshot; 34 private final AtomicReference<TransitionDestination> 35 mTransitionDestinationCallback; 36 37 public interface TransitionDestination { 38 /** 39 * Allows the long screenshot activity to call back with a destination location (the bounds 40 * on screen of the destination for the transitioning view) and a Runnable to be run once 41 * the transition animation is complete. 42 */ setTransitionDestination(Rect transitionDestination, Runnable onTransitionEnd)43 void setTransitionDestination(Rect transitionDestination, Runnable onTransitionEnd); 44 } 45 46 @Inject LongScreenshotData()47 public LongScreenshotData() { 48 mLongScreenshot = new AtomicReference<>(); 49 mTransitionDestinationCallback = new AtomicReference<>(); 50 } 51 52 /** 53 * Set the holder's stored LongScreenshot. 54 */ setLongScreenshot(ScrollCaptureController.LongScreenshot longScreenshot)55 public void setLongScreenshot(ScrollCaptureController.LongScreenshot longScreenshot) { 56 mLongScreenshot.set(longScreenshot); 57 } 58 59 /** 60 * @return true if the holder has a non-null LongScreenshot. 61 */ hasLongScreenshot()62 public boolean hasLongScreenshot() { 63 return mLongScreenshot.get() != null; 64 } 65 66 /** 67 * Return the current stored LongScreenshot, clear the holder's storage. 68 */ takeLongScreenshot()69 public ScrollCaptureController.LongScreenshot takeLongScreenshot() { 70 return mLongScreenshot.getAndSet(null); 71 } 72 73 /** 74 * Set the holder's TransitionDestination callback. 75 */ setTransitionDestinationCallback(TransitionDestination destination)76 public void setTransitionDestinationCallback(TransitionDestination destination) { 77 mTransitionDestinationCallback.set(destination); 78 } 79 80 /** 81 * Return the current TransitionDestination callback and clear. 82 */ takeTransitionDestinationCallback()83 public TransitionDestination takeTransitionDestinationCallback() { 84 return mTransitionDestinationCallback.getAndSet(null); 85 } 86 } 87