1 /*
2 * Copyright (c) 1999, 2016, 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 sun.awt.windows;
27
28 import java.awt.*;
29 import java.awt.event.FocusEvent.Cause;
30 import java.awt.peer.DialogPeer;
31 import java.awt.peer.ComponentPeer;
32 import java.awt.dnd.DropTarget;
33 import java.util.Vector;
34 import sun.awt.AWTAccessor;
35
36 class WPrintDialogPeer extends WWindowPeer implements DialogPeer {
37
38 static {
39 initIDs();
40 }
41
42 private WComponentPeer parent;
43
44 private Vector<WWindowPeer> blockedWindows = new Vector<>();
45
46 WPrintDialogPeer(WPrintDialog target) {
47 super(target);
48 }
49
50 @Override
51 void create(WComponentPeer parent) {
52 this.parent = parent;
53 }
54
55 // fix for CR 6178323:
56 // don't use checkCreation() from WComponentPeer to avoid hwnd check
57 @Override
58 protected void checkCreation() {
59 }
60
61 @Override
62 protected void disposeImpl() {
63 WToolkit.targetDisposedPeer(target, this);
64 }
65
66 private native boolean _show();
67
68 @Override
69 public void show() {
70 Runnable runnable = () -> {
71 try {
72 ((WPrintDialog)target).setRetVal(_show());
73 } catch (Exception e) {
74 // No exception should be thrown by native dialog code,
75 // but if it is we need to trap it so the thread does
76 // not hide is called and the thread doesn't hang.
77 }
78 ((WPrintDialog)target).setVisible(false);
79 };
80 new Thread(null, runnable, "PrintDialog", 0, false).start();
81 }
82
83 synchronized void setHWnd(long hwnd) {
84 this.hwnd = hwnd;
85 for (WWindowPeer window : blockedWindows) {
86 if (hwnd != 0) {
87 window.modalDisable((Dialog)target, hwnd);
88 } else {
89 window.modalEnable((Dialog)target);
90 }
91 }
92 }
93
94 synchronized void blockWindow(WWindowPeer window) {
95 blockedWindows.add(window);
96 if (hwnd != 0) {
97 window.modalDisable((Dialog)target, hwnd);
98 }
99 }
100 synchronized void unblockWindow(WWindowPeer window) {
101 blockedWindows.remove(window);
102 if (hwnd != 0) {
103 window.modalEnable((Dialog)target);
104 }
105 }
106
107 @Override
108 public void blockWindows(java.util.List<Window> toBlock) {
109 for (Window w : toBlock) {
110 WWindowPeer wp = AWTAccessor.getComponentAccessor().getPeer(w);
111 if (wp != null) {
112 blockWindow(wp);
113 }
114 }
115 }
116
117 @Override
118 public native void toFront();
119 @Override
120 public native void toBack();
121
122 // unused methods. Overridden to disable this functionality as
123 // it requires HWND which is not available for FileDialog
124 @Override
125 void initialize() {}
126 @Override
127 public void updateAlwaysOnTopState() {}
128 @Override
129 public void setResizable(boolean resizable) {}
130 @Override
131 void hide() {}
132 @Override
133 void enable() {}
134 @Override
135 void disable() {}
136 @Override
137 public void reshape(int x, int y, int width, int height) {}
138 @SuppressWarnings("deprecation")
139 public boolean handleEvent(Event e) { return false; }
140 @Override
141 public void setForeground(Color c) {}
142 @Override
143 public void setBackground(Color c) {}
144 @Override
145 public void setFont(Font f) {}
146 @Override
147 public void updateMinimumSize() {}
148 @Override
149 public void updateIconImages() {}
150 public boolean requestFocus(boolean temporary, boolean focusedWindowChangeAllowed) {
151 return false;
152 }
153
154 @Override
155 public boolean requestFocus
156 (Component lightweightChild, boolean temporary,
157 boolean focusedWindowChangeAllowed, long time, Cause cause)
158 {
159
160 return false;
161 }
162
163 @Override
164 public void updateFocusableWindowState() {}
165 @Override
166 void start() {}
167 @Override
168 public void beginValidate() {}
169 @Override
170 public void endValidate() {}
171 void invalidate(int x, int y, int width, int height) {}
172 @Override
173 public void addDropTarget(DropTarget dt) {}
174 @Override
175 public void removeDropTarget(DropTarget dt) {}
176 @Override
177 public void setZOrder(ComponentPeer above) {}
178
179 /**
180 * Initialize JNI field and method ids
181 */
182 private static native void initIDs();
183
184 // The effects are not supported for system dialogs.
185 @Override
186 public void applyShape(sun.java2d.pipe.Region shape) {}
187 @Override
188 public void setOpacity(float opacity) {}
189 @Override
190 public void setOpaque(boolean isOpaque) {}
191 public void updateWindow(java.awt.image.BufferedImage backBuffer) {}
192
193 // the file/print dialogs are native dialogs and
194 // the native system does their own rendering
195 @Override
196 public void createScreenSurface(boolean isResize) {}
197 @Override
198 public void replaceSurfaceData() {}
199 }