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 @Override public void setTooltip(final String tooltipText) {
87 WebView view = accessor.getView();
88 if (tooltipText != null) {
89 if (tooltip == null) {
90 tooltip = new Tooltip(tooltipText);
91 } else {
92 tooltip.setText(tooltipText);
93 }
94 if (!isTooltipRegistered) {
95 Tooltip.install(view, tooltip);
96 isTooltipRegistered = true;
97 }
98 } else if (isTooltipRegistered) {
99 Tooltip.uninstall(view, tooltip);
100 isTooltipRegistered = false;
101 }
102 }
103
104 @Override public void transferFocus(boolean forward) {
105 NodeHelper.traverse(accessor.getView(), forward ? Direction.NEXT : Direction.PREVIOUS);
106 }
107
108 @Override public WCRectangle getScreenBounds(boolean available) {
109 WebView view = accessor.getView();
110
111 Screen screen = Utils.getScreen(view);
112 if (screen != null) {
113 Rectangle2D r = available
114 ? screen.getVisualBounds()
115 : screen.getBounds();
116 return new WCRectangle(
117 (float)r.getMinX(), (float)r.getMinY(),
118 (float)r.getWidth(), (float)r.getHeight());
119 }
120 return null;
121 }
122
123 @Override public int getScreenDepth() {
124 // no way to determine screen color depth, return a default
125 return 24;
126 }
127
128 @Override public WebView getContainer() {
129 return accessor.getView();
130 }
131
132 @Override public WCPoint screenToWindow(WCPoint ptScreen) {
133 WebView view = accessor.getView();
134 Scene scene = view.getScene();
135 Window window = null;
136
137 if (scene != null &&
138 (window = scene.getWindow()) != null)
139 {
140 Point2D pt = view.sceneToLocal(
141 ptScreen.getX() - window.getX() - scene.getX(),
142 ptScreen.getY() - window.getY() - scene.getY());
143 return new WCPoint((float)pt.getX(), (float)pt.getY());
144 } else {
145 return new WCPoint(0f, 0f);
146 }
147 }
148
149 @Override public WCPoint windowToScreen(WCPoint ptWindow) {
150 WebView view = accessor.getView();
151 Scene scene = view.getScene();
152 Window window = null;
153
154 if (scene != null &&
155 (window = scene.getWindow()) != null)
156 {
157 Point2D pt = view.localToScene(ptWindow.getX(), ptWindow.getY());
158 return new WCPoint((float)(pt.getX() + scene.getX() + window.getX()),
159 (float)(pt.getY() + scene.getY() + window.getY()));
160 } else {
161 return new WCPoint(0f, 0f);
162 }
163 }
164
165 @Override public WCPageBackBuffer createBackBuffer() {
166 if (isBackBufferSupported()) {
167 return WCGraphicsManager.getGraphicsManager().createPageBackBuffer();
168 }
169 return null;
170 }
171
172 @Override public boolean isBackBufferSupported() {
173 return backBufferSupported;
174 }
175
176 @Override public void addMessageToConsole(String message, int lineNumber,
177 String sourceId)
178 {
179 if (consoleListener != null) {
180 try {
181 consoleListener.messageAdded(accessor.getView(), message, lineNumber, sourceId);
182 } catch (Exception e) {
183 e.printStackTrace();
184 }
185 }
186 }
187
188 @Override public void didClearWindowObject(long context,
189 long windowObject)
190 {
191 }
192 }