1 /*
2 * Copyright (c) 2011, 2014, 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 final Accessor accessor;
52
53 static {
54 backBufferSupported = Boolean.valueOf(
55 AccessController.doPrivileged((PrivilegedAction<String>) () -> System.getProperty(
56 "com.sun.webkit.pagebackbuffer", "true")));
57 }
58
59 public WebPageClientImpl(Accessor accessor) {
60 this.accessor = accessor;
61 }
62
63 @Override public void setFocus(boolean focus) {
64 WebView view = accessor.getView();
65 if (view != null && focus) {
66 view.requestFocus();
67 }
68 }
69
70 @Override public void setCursor(long cursorID) {
71 WebView view = accessor.getView();
72 if (view != null) {
73 Object cursor = CursorManager.getCursorManager().getCursor(cursorID);
74 view.setCursor((cursor instanceof Cursor) ? (Cursor) cursor : Cursor.DEFAULT);
75 }
76 }
77
78 private Tooltip tooltip;
79 private boolean isTooltipRegistered = false;
80 @Override public void setTooltip(final String tooltipText) {
81 WebView view = accessor.getView();
82 if (tooltipText != null) {
83 if (tooltip == null) {
84 tooltip = new Tooltip(tooltipText);
85 } else {
86 tooltip.setText(tooltipText);
87 }
88 if (!isTooltipRegistered) {
89 Tooltip.install(view, tooltip);
90 isTooltipRegistered = true;
91 }
92 } else if (isTooltipRegistered) {
93 Tooltip.uninstall(view, tooltip);
94 isTooltipRegistered = false;
95 }
96 }
97
98 @Override public void transferFocus(boolean forward) {
99 accessor.getView().impl_traverse(forward ? Direction.NEXT : Direction.PREVIOUS);
100 }
101
102 @Override public WCRectangle getScreenBounds(boolean available) {
103 WebView view = accessor.getView();
104
105 Screen screen = Utils.getScreen(view);
106 if (screen != null) {
107 Rectangle2D r = available
108 ? screen.getVisualBounds()
109 : screen.getBounds();
110 return new WCRectangle(
111 (float)r.getMinX(), (float)r.getMinY(),
112 (float)r.getWidth(), (float)r.getHeight());
113 }
114 return null;
115 }
116
117 @Override public int getScreenDepth() {
118 // no way to determine screen color depth, return a default
119 return 24;
120 }
121
122 @Override public WebView getContainer() {
123 return accessor.getView();
124 }
125
126 @Override public WCPoint screenToWindow(WCPoint ptScreen) {
127 WebView view = accessor.getView();
128 Scene scene = view.getScene();
129 Window window = null;
130
131 if (scene != null &&
132 (window = scene.getWindow()) != null)
133 {
134 Point2D pt = view.sceneToLocal(
135 ptScreen.getX() - window.getX() - scene.getX(),
136 ptScreen.getY() - window.getY() - scene.getY());
137 return new WCPoint((float)pt.getX(), (float)pt.getY());
138 } else {
139 return new WCPoint(0f, 0f);
140 }
141 }
142
143 @Override public WCPoint windowToScreen(WCPoint ptWindow) {
144 WebView view = accessor.getView();
145 Scene scene = view.getScene();
146 Window window = null;
147
148 if (scene != null &&
149 (window = scene.getWindow()) != null)
150 {
151 Point2D pt = view.localToScene(ptWindow.getX(), ptWindow.getY());
152 return new WCPoint((float)(pt.getX() + scene.getX() + window.getX()),
153 (float)(pt.getY() + scene.getY() + window.getY()));
154 } else {
155 return new WCPoint(0f, 0f);
156 }
157 }
158
159 @Override public WCPageBackBuffer createBackBuffer() {
160 if (isBackBufferSupported()) {
161 return WCGraphicsManager.getGraphicsManager().createPageBackBuffer();
162 }
163 return null;
164 }
165
166 @Override public boolean isBackBufferSupported() {
167 return backBufferSupported;
168 }
169
170 @Override public void addMessageToConsole(String message, int lineNumber,
171 String sourceId)
172 {
173 }
174
175 @Override public void didClearWindowObject(long context,
176 long windowObject)
177 {
178 }
179 }