1/*
2 * Copyright (c) 2011, 2013, 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#import <Cocoa/Cocoa.h>
27
28#import "QueuingApplicationDelegate.h"
29
30@interface NSBundle (EAWTOverrides)
31- (BOOL)_hasEAWTOverride:(NSString *)key;
32@end
33
34
35@implementation NSBundle (EAWTOverrides)
36
37- (BOOL)_hasEAWTOverride:(NSString *)key {
38    return [[[[self objectForInfoDictionaryKey:@"Java"] objectForKey:@"EAWTOverride"] objectForKey:key] boolValue];
39}
40
41@end
42
43@implementation QueuingApplicationDelegate
44
45@synthesize realDelegate;
46@synthesize queue;
47
48+ (QueuingApplicationDelegate*) sharedDelegate
49{
50    static QueuingApplicationDelegate * qad = nil;
51
52    if (!qad) {
53        qad = [QueuingApplicationDelegate new];
54    }
55
56    return qad;
57}
58
59- (id) init
60{
61    self = [super init];
62    if (!self) {
63        return self;
64    }
65
66    self.queue = [NSMutableArray arrayWithCapacity: 0];
67
68    // If the java application has a bundle with an Info.plist file with
69    //  a CFBundleDocumentTypes entry, then it is set up to handle Open Doc
70    //  and Print Doc commands for these files. Therefore java AWT will
71    //  cache Open Doc and Print Doc events that are sent prior to a
72    //  listener being installed by the client java application.
73    NSBundle *bundle = [NSBundle mainBundle];
74    fHandlesDocumentTypes = [bundle objectForInfoDictionaryKey:@"CFBundleDocumentTypes"] != nil || [bundle _hasEAWTOverride:@"DocumentHandler"];
75    fHandlesURLTypes = [bundle objectForInfoDictionaryKey:@"CFBundleURLTypes"] != nil || [bundle _hasEAWTOverride:@"URLHandler"];
76    if (fHandlesURLTypes) {
77        [[NSAppleEventManager sharedAppleEventManager] setEventHandler:self
78                                                           andSelector:@selector(_handleOpenURLEvent:withReplyEvent:)
79                                                         forEventClass:kInternetEventClass
80                                                            andEventID:kAEGetURL];
81    }
82
83    NSNotificationCenter *ctr = [NSNotificationCenter defaultCenter];
84    [ctr addObserver:self selector:@selector(_willFinishLaunching) name:NSApplicationWillFinishLaunchingNotification object:nil];
85    [ctr addObserver:self selector:@selector(_systemWillPowerOff) name:NSWorkspaceWillPowerOffNotification object:nil];
86    [ctr addObserver:self selector:@selector(_appDidActivate) name:NSApplicationDidBecomeActiveNotification object:nil];
87    [ctr addObserver:self selector:@selector(_appDidDeactivate) name:NSApplicationDidResignActiveNotification object:nil];
88    [ctr addObserver:self selector:@selector(_appDidHide) name:NSApplicationDidHideNotification object:nil];
89    [ctr addObserver:self selector:@selector(_appDidUnhide) name:NSApplicationDidUnhideNotification object:nil];
90
91    return self;
92}
93
94- (void)dealloc
95{
96    if (fHandlesURLTypes) {
97        [[NSAppleEventManager sharedAppleEventManager] removeEventHandlerForEventClass: kInternetEventClass andEventID:kAEGetURL];
98    }
99
100    NSNotificationCenter *ctr = [NSNotificationCenter defaultCenter];
101    Class clz = [QueuingApplicationDelegate class];
102    [ctr removeObserver:clz];
103
104    self.queue = nil;
105    self.realDelegate = nil;
106
107    [super dealloc];
108}
109
110
111- (void)_handleOpenURLEvent:(NSAppleEventDescriptor *)openURLEvent withReplyEvent:(NSAppleEventDescriptor *)replyEvent
112{
113    // Make an explicit copy of the passed events as they may be invalidated by the time they're processed
114    NSAppleEventDescriptor *openURLEventCopy = [openURLEvent copy];
115    NSAppleEventDescriptor *replyEventCopy = [replyEvent copy];
116
117    [self.queue addObject:[^(){
118        [self.realDelegate _handleOpenURLEvent:openURLEventCopy withReplyEvent:replyEventCopy];
119        [openURLEventCopy release];
120        [replyEventCopy release];
121    } copy]];
122}
123
124- (void)application:(NSApplication *)theApplication openFiles:(NSArray *)fileNames
125{
126    [self.queue addObject:[^(){
127        [self.realDelegate application:theApplication openFiles:fileNames];
128    } copy]];
129}
130
131- (NSApplicationPrintReply)application:(NSApplication *)application printFiles:(NSArray *)fileNames withSettings:(NSDictionary *)printSettings showPrintPanels:(BOOL)showPrintPanels
132{
133    if (!fHandlesDocumentTypes) {
134        return NSPrintingCancelled;
135    }
136
137    [self.queue addObject:[^(){
138        [self.realDelegate application:application printFiles:fileNames withSettings:printSettings showPrintPanels:showPrintPanels];
139    } copy]];
140
141    // well, a bit premature, but what else can we do?..
142    return NSPrintingSuccess;
143}
144
145- (void)_willFinishLaunching
146{
147    [self.queue addObject:[^(){
148        [[self.realDelegate class] _willFinishLaunching];
149    } copy]];
150}
151
152- (BOOL)applicationShouldHandleReopen:(NSApplication *)theApplication hasVisibleWindows:(BOOL)flag
153{
154    [self.queue addObject:[^(){
155        [self.realDelegate applicationShouldHandleReopen:theApplication hasVisibleWindows:flag];
156    } copy]];
157    return YES;
158}
159
160- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)app
161{
162    [self.queue addObject:[^(){
163        [self.realDelegate applicationShouldTerminate:app];
164    } copy]];
165    return NSTerminateLater;
166}
167
168- (void)_systemWillPowerOff
169{
170    [self.queue addObject:[^(){
171        [[self.realDelegate class] _systemWillPowerOff];
172    } copy]];
173}
174
175- (void)_appDidActivate
176{
177    [self.queue addObject:[^(){
178        [[self.realDelegate class] _appDidActivate];
179    } copy]];
180}
181
182- (void)_appDidDeactivate
183{
184    [self.queue addObject:[^(){
185        [[self.realDelegate class] _appDidDeactivate];
186    } copy]];
187}
188
189- (void)_appDidHide
190{
191    [self.queue addObject:[^(){
192        [[self.realDelegate class] _appDidHide];
193    } copy]];
194}
195
196- (void)_appDidUnhide
197{
198    [self.queue addObject:[^(){
199        [[self.realDelegate class] _appDidUnhide];
200    } copy]];
201}
202
203- (void)processQueuedEventsWithTargetDelegate:(id <NSApplicationDelegate>)delegate
204{
205    self.realDelegate = delegate;
206
207    NSUInteger i;
208    NSUInteger count = [self.queue count];
209
210    for (i = 0; i < count; i++) {
211        void (^event)() = (void (^)())[self.queue objectAtIndex: i];
212        event();
213        [event release];
214    }
215
216    [self.queue removeAllObjects];
217}
218
219@end
220
221