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
27 package sun.lwawt.macosx;
28
29 import java.awt.AWTKeyStroke;
30 import java.awt.Point;
31 import java.awt.Toolkit;
32
33 import sun.awt.EmbeddedFrame;
34 import sun.lwawt.LWWindowPeer;
35
36 public class CEmbeddedFrame extends EmbeddedFrame {
37
38 private CPlatformResponder responder;
39 private static final Object classLock = new Object();
40 private static volatile CEmbeddedFrame focusedWindow;
41 private boolean parentWindowActive = true;
42
43 public CEmbeddedFrame() {
44 show();
45 }
46
47 public void addNotify() {
48 if (getPeer() == null) {
49 LWCToolkit toolkit = (LWCToolkit)Toolkit.getDefaultToolkit();
50 LWWindowPeer peer = toolkit.createEmbeddedFrame(this);
51 setPeer(peer);
52 responder = new CPlatformResponder(peer, true);
53 }
54 super.addNotify();
55 }
56
57 public void registerAccelerator(AWTKeyStroke stroke) {}
58
59 public void unregisterAccelerator(AWTKeyStroke stroke) {}
60
61 protected long getLayerPtr() {
62 LWWindowPeer peer = (LWWindowPeer)getPeer();
63 return peer.getLayerPtr();
64 }
65
66 // -----------------------------------------------------------------------
67 // SYNTHETIC EVENT DELIVERY
68 // -----------------------------------------------------------------------
69
70 public void handleMouseEvent(int eventType, int modifierFlags, double pluginX,
71 double pluginY, int buttonNumber, int clickCount) {
72 int x = (int)pluginX;
73 int y = (int)pluginY;
74 Point locationOnScreen = getLocationOnScreen();
75 int screenX = locationOnScreen.x + x;
76 int screenY = locationOnScreen.y + y;
77
78 if (eventType == CocoaConstants.NPCocoaEventMouseEntered) {
79 CCursorManager.nativeSetAllowsCursorSetInBackground(true);
80 } else if (eventType == CocoaConstants.NPCocoaEventMouseExited) {
81 CCursorManager.nativeSetAllowsCursorSetInBackground(false);
82 }
83
84 responder.handleMouseEvent(eventType, modifierFlags, buttonNumber,
85 clickCount, x, y, screenX, screenY);
86 }
87
88 public void handleScrollEvent(double pluginX, double pluginY, int modifierFlags,
89 double deltaX, double deltaY, double deltaZ) {
90 int x = (int)pluginX;
91 int y = (int)pluginY;
92
93 responder.handleScrollEvent(x, y, modifierFlags, deltaX, deltaY);
94 }
95
96 public void handleKeyEvent(int eventType, int modifierFlags, String characters,
97 String charsIgnoringMods, boolean isRepeat, short keyCode,
98 boolean needsKeyTyped) {
99 responder.handleKeyEvent(eventType, modifierFlags, charsIgnoringMods, keyCode, needsKeyTyped, isRepeat);
100 }
101
102 public void handleInputEvent(String text) {
103 responder.handleInputEvent(text);
104 }
105
106 // handleFocusEvent is called when the applet becames focused/unfocused.
107 // This method can be called from different threads.
108 public void handleFocusEvent(boolean focused) {
109 synchronized (classLock) {
110 // In some cases an applet may not receive the focus lost event
111 // from the parent window (see 8012330)
112 focusedWindow = (focused) ? this
113 : ((focusedWindow == this) ? null : focusedWindow);
114 }
115 if (focusedWindow == this) {
116 // see bug 8010925
117 // we can't put this to handleWindowFocusEvent because
118 // it won't be invoced if focuse is moved to a html element
119 // on the same page.
120 CClipboard clipboard = (CClipboard) Toolkit.getDefaultToolkit().getSystemClipboard();
121 clipboard.checkPasteboard();
122 }
123 if (parentWindowActive) {
124 responder.handleWindowFocusEvent(focused, null);
125 }
126 }
127
128 /**
129 * When the parent window is activated this method is called for all EmbeddedFrames in it.
130 *
131 * For the CEmbeddedFrame which had focus before the deactivation this method triggers
132 * focus events in the following order:
133 * 1. WINDOW_ACTIVATED for this EmbeddedFrame
134 * 2. WINDOW_GAINED_FOCUS for this EmbeddedFrame
135 * 3. FOCUS_GAINED for the most recent focus owner in this EmbeddedFrame
136 *
137 * The caller must not requestFocus on the EmbeddedFrame together with calling this method.
138 *
139 * @param parentWindowActive true if the window is activated, false otherwise
140 */
141 // handleWindowFocusEvent is called for all applets, when the browser
142 // becomes active/inactive. This event should be filtered out for
143 // non-focused applet. This method can be called from different threads.
144 public void handleWindowFocusEvent(boolean parentWindowActive) {
145 this.parentWindowActive = parentWindowActive;
146 // ignore focus "lost" native request as it may mistakenly
147 // deactivate active window (see 8001161)
148 if (focusedWindow == this && parentWindowActive) {
149 responder.handleWindowFocusEvent(parentWindowActive, null);
150 }
151 }
152
153 public boolean isParentWindowActive() {
154 return parentWindowActive;
155 }
156 }