-
Notifications
You must be signed in to change notification settings - Fork 216
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
8280982: [Wayland] [XWayland] java.awt.Robot taking screenshots
Backport-of: 9d7bf5329e5a0393553bca2e3a51ad1125b41b96
- Loading branch information
Showing
106 changed files
with
15,062 additions
and
40 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
191 changes: 191 additions & 0 deletions
191
src/java.desktop/unix/classes/sun/awt/screencast/ScreencastHelper.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,191 @@ | ||
| /* | ||
| * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 only, as | ||
| * published by the Free Software Foundation. Oracle designates this | ||
| * particular file as subject to the "Classpath" exception as provided | ||
| * by Oracle in the LICENSE file that accompanied this code. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| * or visit www.oracle.com if you need additional information or have any | ||
| * questions. | ||
| */ | ||
|
|
||
| package sun.awt.screencast; | ||
|
|
||
| import sun.awt.UNIXToolkit; | ||
| import sun.security.action.GetPropertyAction; | ||
|
|
||
| import java.awt.GraphicsEnvironment; | ||
| import java.awt.Rectangle; | ||
| import java.awt.Toolkit; | ||
| import java.security.AccessController; | ||
| import java.util.Arrays; | ||
| import java.util.List; | ||
| import java.util.Set; | ||
| import java.util.stream.IntStream; | ||
|
|
||
| /** | ||
| * Helper class for grabbing pixels from the screen using the | ||
| * <a href="https://flatpak.github.io/xdg-desktop-portal/#gdbus-org.freedesktop.portal.ScreenCast"> | ||
| * org.freedesktop.portal.ScreenCast API</a> | ||
| */ | ||
|
|
||
| @SuppressWarnings("removal") | ||
| public class ScreencastHelper { | ||
|
|
||
| static final boolean SCREENCAST_DEBUG; | ||
| private static final boolean IS_NATIVE_LOADED; | ||
|
|
||
|
|
||
| private static final int ERROR = -1; | ||
| private static final int DENIED = -11; | ||
| private static final int OUT_OF_BOUNDS = -12; | ||
|
|
||
| private ScreencastHelper() { | ||
| } | ||
|
|
||
| static { | ||
| SCREENCAST_DEBUG = Boolean.parseBoolean( | ||
| AccessController.doPrivileged( | ||
| new GetPropertyAction( | ||
| "awt.robot.screenshotDebug", | ||
| "false" | ||
| ) | ||
| )); | ||
|
|
||
| boolean loadFailed = false; | ||
|
|
||
| if (!(Toolkit.getDefaultToolkit() instanceof UNIXToolkit tk | ||
| && tk.loadGTK()) | ||
| || !loadPipewire(SCREENCAST_DEBUG)) { | ||
|
|
||
| System.err.println( | ||
| "Could not load native libraries for ScreencastHelper" | ||
| ); | ||
|
|
||
| loadFailed = true; | ||
| } | ||
|
|
||
| IS_NATIVE_LOADED = !loadFailed; | ||
| } | ||
|
|
||
| public static boolean isAvailable() { | ||
| return IS_NATIVE_LOADED; | ||
| } | ||
|
|
||
| private static native boolean loadPipewire(boolean screencastDebug); | ||
|
|
||
| private static native int getRGBPixelsImpl( | ||
| int x, int y, int width, int height, | ||
| int[] pixelArray, | ||
| int[] affectedScreensBoundsArray, | ||
| String token | ||
| ); | ||
|
|
||
| private static List<Rectangle> getSystemScreensBounds() { | ||
| return Arrays | ||
| .stream(GraphicsEnvironment | ||
| .getLocalGraphicsEnvironment() | ||
| .getScreenDevices()) | ||
| .map(graphicsDevice -> | ||
| graphicsDevice.getDefaultConfiguration().getBounds() | ||
| ).toList(); | ||
| } | ||
|
|
||
| public static synchronized void getRGBPixels( | ||
| int x, int y, int width, int height, int[] pixelArray | ||
| ) { | ||
| if (!IS_NATIVE_LOADED) return; | ||
|
|
||
| Rectangle captureArea = new Rectangle(x, y, width, height); | ||
|
|
||
| List<Rectangle> affectedScreenBounds = getSystemScreensBounds() | ||
| .stream() | ||
| .filter(captureArea::intersects) | ||
| .toList(); | ||
|
|
||
| if (SCREENCAST_DEBUG) { | ||
| System.out.printf("// getRGBPixels in %s, affectedScreenBounds %s\n", | ||
| captureArea, affectedScreenBounds); | ||
| } | ||
|
|
||
| if (affectedScreenBounds.isEmpty()) { | ||
| if (SCREENCAST_DEBUG) { | ||
| System.out.println("// getRGBPixels - requested area " | ||
| + "outside of any screen"); | ||
| } | ||
| return; | ||
| } | ||
|
|
||
| int retVal; | ||
| Set<TokenItem> tokensForRectangle = | ||
| TokenStorage.getTokens(affectedScreenBounds); | ||
|
|
||
| int[] affectedScreenBoundsArray = affectedScreenBounds | ||
| .stream() | ||
| .filter(captureArea::intersects) | ||
| .flatMapToInt(bounds -> IntStream.of( | ||
| bounds.x, bounds.y, | ||
| bounds.width, bounds.height | ||
| )) | ||
| .toArray(); | ||
|
|
||
| for (TokenItem tokenItem : tokensForRectangle) { | ||
| retVal = getRGBPixelsImpl( | ||
| x, y, width, height, | ||
| pixelArray, | ||
| affectedScreenBoundsArray, | ||
| tokenItem.token | ||
| ); | ||
|
|
||
| if (retVal >= 0) { // we have received a screen data | ||
| return; | ||
| } else if (!checkReturnValue(retVal)) { | ||
| return; | ||
| } // else, try other tokens | ||
| } | ||
|
|
||
| // we do not have a saved token or it did not work, | ||
| // try without the token to show the system's permission request window | ||
| retVal = getRGBPixelsImpl( | ||
| x, y, width, height, | ||
| pixelArray, | ||
| affectedScreenBoundsArray, | ||
| null | ||
| ); | ||
|
|
||
| checkReturnValue(retVal); | ||
| } | ||
|
|
||
| private static boolean checkReturnValue(int retVal) { | ||
| if (retVal == DENIED) { | ||
| // user explicitly denied the capture, no more tries. | ||
| throw new SecurityException( | ||
| "Screen Capture in the selected area was not allowed" | ||
| ); | ||
| } else if (retVal == ERROR) { | ||
| if (SCREENCAST_DEBUG) { | ||
| System.err.println("Screen capture failed."); | ||
| } | ||
| } else if (retVal == OUT_OF_BOUNDS) { | ||
| if (SCREENCAST_DEBUG) { | ||
| System.err.println( | ||
| "Token does not provide access to requested area."); | ||
| } | ||
| } | ||
| return retVal != ERROR; | ||
| } | ||
| } |
Oops, something went wrong.
c915eafThere was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Review
Issues