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