1 /*
2 * Copyright (c) 2011, 2015, 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.javafx.webkit;
27
28 import com.sun.javafx.scene.NodeHelper;
29 import java.security.AccessController;
30 import java.security.PrivilegedAction;
31
32 import com.sun.javafx.scene.traversal.Direction;
33 import javafx.geometry.Point2D;
34 import javafx.geometry.Rectangle2D;
35 import javafx.scene.Cursor;
36 import javafx.scene.Scene;
37 import javafx.scene.control.Tooltip;
38 import javafx.scene.web.WebView;
39 import javafx.stage.Screen;
40 import javafx.stage.Window;
41
42 import com.sun.javafx.util.Utils;
43 import com.sun.webkit.CursorManager;
44 import com.sun.webkit.WebPageClient;
45 import com.sun.webkit.graphics.WCGraphicsManager;
46 import com.sun.webkit.graphics.WCPageBackBuffer;
47 import com.sun.webkit.graphics.WCPoint;
48 import com.sun.webkit.graphics.WCRectangle;
49
50 public final class WebPageClientImpl implements WebPageClient<WebView> {
51 private static final boolean backBufferSupported;
52 private static WebConsoleListener consoleListener = null;
53 private final Accessor accessor;
54
55 static {
56 backBufferSupported = Boolean.valueOf(
57 AccessController.doPrivileged((PrivilegedAction<String>) () -> System.getProperty(
58 "com.sun.webkit.pagebackbuffer", "true")));
59 }
60
61 static void setConsoleListener(WebConsoleListener consoleListener) {
62 WebPageClientImpl.consoleListener = consoleListener;
63 }
64
65 public WebPageClientImpl(Accessor accessor) {
66 this.accessor = accessor;
67 }
68
69 @Override public void setFocus(boolean focus) {
70 WebView view = accessor.getView();
71 if (view != null && focus) {
72 view.requestFocus();
73 }
74 }
75
76 @Override public void setCursor(long cursorID) {
77 WebView view = accessor.getView();
78 if (view != null) {
79 Object cursor = CursorManager.getCursorManager().getCursor(cursorID);
80 view.setCursor((cursor instanceof Cursor) ? (Cursor) cursor : Cursor.DEFAULT);
81 }
82 }
83
84 private Tooltip tooltip;
85 private boolean isTooltipRegistered = false;
86 String oldTooltipText = "";
87 @Override public void setTooltip(final String tooltipText) {
88 WebView view = accessor.getView();
89 if (tooltipText != null) {
90 if (tooltip == null) {
91 tooltip = new Tooltip(tooltipText);
92 } else {
93 tooltip.setText(tooltipText);
94 if (!oldTooltipText.equals(tooltipText)) {
95 Tooltip.uninstall(view, tooltip);
96 isTooltipRegistered = false;
97 }
98 }
99 oldTooltipText = tooltipText;
100 if (!isTooltipRegistered) {
101 Tooltip.install(view, tooltip);
102 isTooltipRegistered = true;
103 }
104 } else if (isTooltipRegistered) {
105 Tooltip.uninstall(view, tooltip);
106 isTooltipRegistered = false;
107 }
108 }
109
110 @Override public void transferFocus(boolean forward) {
111 NodeHelper.traverse(accessor.getView(), forward ? Direction.NEXT : Direction.PREVIOUS);
112 }
113
114 @Override public WCRectangle getScreenBounds(boolean available) {
115 WebView view = accessor.getView();
116
117 Screen screen = Utils.getScreen(view);
118 if (screen != null) {
119 Rectangle2D r = available
120 ? screen.getVisualBounds()
121 : screen.getBounds();
122 return new WCRectangle(
123 (float)r.getMinX(), (float)r.getMinY(),
124 (float)r.getWidth(), (float)r.getHeight());
125 }
126 return null;
127 }
128
129 @Override public int getScreenDepth() {
130 // no way to determine screen color depth, return a default
131 return 24;
132 }
133
134 @Override public WebView getContainer() {
135 return accessor.getView();
136 }
137
138 @Override public WCPoint screenToWindow(WCPoint ptScreen) {
139 WebView view = accessor.getView();
140 Scene scene = view.getScene();
141 Window window = null;
142
143 if (scene != null &&
144 (window = scene.getWindow()) != null)
145 {
146 Point2D pt = view.sceneToLocal(
147 ptScreen.getX() - window.getX() - scene.getX(),
148 ptScreen.getY() - window.getY() - scene.getY());
149 return new WCPoint((float)pt.getX(), (float)pt.getY());
150 } else {
151 return new WCPoint(0f, 0f);
152 }
153 }
154
155 @Override public WCPoint windowToScreen(WCPoint ptWindow) {
156 WebView view = accessor.getView();
157 Scene scene = view.getScene();
158 Window window = null;
159
160 if (scene != null &&
161 (window = scene.getWindow()) != null)
162 {
163 Point2D pt = view.localToScene(ptWindow.getX(), ptWindow.getY());
164 return new WCPoint((float)(pt.getX() + scene.getX() + window.getX()),
165 (float)(pt.getY() + scene.getY() + window.getY()));
166 } else {
167 return new WCPoint(0f, 0f);
168 }
169 }
170
171 @Override public WCPageBackBuffer createBackBuffer() {
172 if (isBackBufferSupported()) {
173 return WCGraphicsManager.getGraphicsManager().createPageBackBuffer();
174 }
175 return null;
176 }
177
178 @Override public boolean isBackBufferSupported() {
179 return backBufferSupported;
180 }
181
182 @Override public void addMessageToConsole(String message, int lineNumber,
183 String sourceId)
184 {
185 if (consoleListener != null) {
186 try {
187 consoleListener.messageAdded(accessor.getView(), message, lineNumber, sourceId);
188 } catch (Exception e) {
189 e.printStackTrace();
190 }
191 }
192 }
193
194 @Override public void didClearWindowObject(long context,
195 long windowObject)
196 {
197 }
198 }