1 /* 2 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.webkit; 27 28 import com.sun.javafx.scene.control.CustomColorDialog; 29 import javafx.scene.paint.Color; 30 import javafx.scene.web.WebView; 31 32 public final class ColorChooser { 33 /** 34 * Color conversion from double (0.0 to 1.0) to uchar (0 to 255) 35 */ 36 private static final double COLOR_DOUBLE_TO_UCHAR_FACTOR = 255.0; 37 38 /** 39 * Color chooser dialog 40 */ 41 private final CustomColorDialog colorChooserDialog; 42 43 /** 44 * Handle / pointer to native object 45 */ 46 private final long pdata; 47 48 private ColorChooser(WebPage webPage, Color color, long data) { 49 this.pdata = data; 50 51 WebPageClient<WebView> client = webPage.getPageClient(); 52 assert (client != null); 53 colorChooserDialog = new CustomColorDialog(client.getContainer().getScene().getWindow()); 54 colorChooserDialog.setSaveBtnToOk(); 55 colorChooserDialog.setShowUseBtn(false); 56 colorChooserDialog.setShowOpacitySlider(false); 57 58 colorChooserDialog.setOnSave(() -> { 59 twkSetSelectedColor(pdata, 60 (int) Math.round(colorChooserDialog.getCustomColor().getRed() * COLOR_DOUBLE_TO_UCHAR_FACTOR), 61 (int) Math.round(colorChooserDialog.getCustomColor().getGreen() * COLOR_DOUBLE_TO_UCHAR_FACTOR), 62 (int) Math.round(colorChooserDialog.getCustomColor().getBlue() * COLOR_DOUBLE_TO_UCHAR_FACTOR)); 63 }); 64 65 colorChooserDialog.setCurrentColor(color); 66 colorChooserDialog.show(); 67 } 68 69 private static ColorChooser fwkCreateAndShowColorChooser(WebPage webPage, int r, int g, int b, long pdata) { 70 return new ColorChooser(webPage, Color.rgb(r,g,b), pdata); 71 } 72 73 private void fwkShowColorChooser(int r, int g, int b) { 74 colorChooserDialog.setCurrentColor(Color.rgb(r,g,b)); 75 colorChooserDialog.show(); 76 } 77 78 private void fwkHideColorChooser() { 79 colorChooserDialog.hide(); 80 } 81 82 private native void twkSetSelectedColor(long data, int r, int g, int b); 83 }