1 /* 2 * Copyright (C) 2021 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; 18 19 import com.android.systemui.dagger.SysUISingleton; 20 21 import java.util.concurrent.atomic.AtomicReference; 22 23 import javax.inject.Inject; 24 25 /** 26 * LongScreenshotData holds on to 1 LongScreenshot reference and 1 TransitionDestination 27 * reference, to facilitate indirect in-process passing. 28 */ 29 @SysUISingleton 30 public class LongScreenshotData { 31 private final AtomicReference<ScrollCaptureController.LongScreenshot> mLongScreenshot; 32 private final AtomicReference<ScreenshotController.TransitionDestination> 33 mTransitionDestinationCallback; 34 35 @Inject LongScreenshotData()36 public LongScreenshotData() { 37 mLongScreenshot = new AtomicReference<>(); 38 mTransitionDestinationCallback = new AtomicReference<>(); 39 } 40 41 /** 42 * Set the holder's stored LongScreenshot. 43 */ setLongScreenshot(ScrollCaptureController.LongScreenshot longScreenshot)44 public void setLongScreenshot(ScrollCaptureController.LongScreenshot longScreenshot) { 45 mLongScreenshot.set(longScreenshot); 46 } 47 48 /** 49 * @return true if the holder has a non-null LongScreenshot. 50 */ hasLongScreenshot()51 public boolean hasLongScreenshot() { 52 return mLongScreenshot.get() != null; 53 } 54 55 /** 56 * Return the current stored LongScreenshot, clear the holder's storage. 57 */ takeLongScreenshot()58 public ScrollCaptureController.LongScreenshot takeLongScreenshot() { 59 return mLongScreenshot.getAndSet(null); 60 } 61 62 /** 63 * Set the holder's TransitionDestination callback. 64 */ setTransitionDestinationCallback( ScreenshotController.TransitionDestination destination)65 public void setTransitionDestinationCallback( 66 ScreenshotController.TransitionDestination destination) { 67 mTransitionDestinationCallback.set(destination); 68 } 69 70 /** 71 * Return the current TransitionDestination callback and clear. 72 */ takeTransitionDestinationCallback()73 public ScreenshotController.TransitionDestination takeTransitionDestinationCallback() { 74 return mTransitionDestinationCallback.getAndSet(null); 75 } 76 } 77