1 /* 2 * Copyright (c) 1999, 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 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 import sun.misc.ManagedLocalsThread; 36 37 class WPrintDialogPeer extends WWindowPeer implements DialogPeer { 38 39 static { 40 initIDs(); 41 } 42 43 private WComponentPeer parent; 44 45 private Vector<WWindowPeer> blockedWindows = new Vector<>(); 46 47 WPrintDialogPeer(WPrintDialog target) { 48 super(target); 49 } 50 51 @Override 52 void create(WComponentPeer parent) { 53 this.parent = parent; 54 } 55 56 // fix for CR 6178323: 57 // don't use checkCreation() from WComponentPeer to avoid hwnd check 58 @Override 59 protected void checkCreation() { 60 } 61 62 @Override 63 protected void disposeImpl() { 64 WToolkit.targetDisposedPeer(target, this); 65 } 66 67 private native boolean _show(); 68 69 @Override 70 public void show() { 71 Runnable runnable = () -> { 72 try { 73 ((WPrintDialog)target).setRetVal(_show()); 74 } catch (Exception e) { 75 // No exception should be thrown by native dialog code, 76 // but if it is we need to trap it so the thread does 77 // not hide is called and the thread doesn't hang. 78 } 79 ((WPrintDialog)target).setVisible(false); 80 }; 81 new ManagedLocalsThread(runnable).start(); 82 } 83 84 synchronized void setHWnd(long hwnd) { 85 this.hwnd = hwnd; 86 for (WWindowPeer window : blockedWindows) { 87 if (hwnd != 0) { 88 window.modalDisable((Dialog)target, hwnd); 89 } else { 90 window.modalEnable((Dialog)target); 91 } 92 } 93 } 94 95 synchronized void blockWindow(WWindowPeer window) { 96 blockedWindows.add(window); 97 if (hwnd != 0) { 98 window.modalDisable((Dialog)target, hwnd); 99 } 100 } 101 synchronized void unblockWindow(WWindowPeer window) { 102 blockedWindows.remove(window); 103 if (hwnd != 0) { 104 window.modalEnable((Dialog)target); 105 } 106 } 107 108 @Override 109 public void blockWindows(java.util.List<Window> toBlock) { 110 for (Window w : toBlock) { 111 WWindowPeer wp = AWTAccessor.getComponentAccessor().getPeer(w); 112 if (wp != null) { 113 blockWindow(wp); 114 } 115 } 116 } 117 118 @Override 119 public native void toFront(); 120 @Override 121 public native void toBack(); 122 123 // unused methods. Overridden to disable this functionality as 124 // it requires HWND which is not available for FileDialog 125 @Override 126 void initialize() {} 127 @Override 128 public void updateAlwaysOnTopState() {} 129 @Override 130 public void setResizable(boolean resizable) {} 131 @Override 132 void hide() {} 133 @Override 134 void enable() {} 135 @Override 136 void disable() {} 137 @Override 138 public void reshape(int x, int y, int width, int height) {} 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 }