1 /*
   2  * Copyright (c) 2011, 2019, 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 "NSApplicationAWT.h"
  27 
  28 #import <objc/runtime.h>
  29 #import <JavaRuntimeSupport/JavaRuntimeSupport.h>
  30 
  31 #import "PropertiesUtilities.h"
  32 #import "ThreadUtilities.h"
  33 #import "QueuingApplicationDelegate.h"
  34 #import "AWTIconData.h"
  35 
  36 /*
  37  * Declare library specific JNI_Onload entry if static build
  38  */
  39 DEF_STATIC_JNI_OnLoad
  40 
  41 static BOOL sUsingDefaultNIB = YES;
  42 static NSString *SHARED_FRAMEWORK_BUNDLE = @"/System/Library/Frameworks/JavaVM.framework";
  43 static id <NSApplicationDelegate> applicationDelegate = nil;
  44 static QueuingApplicationDelegate * qad = nil;
  45 
  46 // Flag used to indicate to the Plugin2 event synthesis code to do a postEvent instead of sendEvent
  47 BOOL postEventDuringEventSynthesis = NO;
  48 
  49 /**
  50  * Subtypes of NSApplicationDefined, which are used for custom events.
  51  */
  52 enum {
  53     ExecuteBlockEvent = 777, NativeSyncQueueEvent
  54 };
  55 
  56 @implementation NSApplicationAWT
  57 
  58 - (id) init
  59 {
  60     // Headless: NO
  61     // Embedded: NO
  62     // Multiple Calls: NO
  63     //  Caller: +[NSApplication sharedApplication]
  64 
  65 AWT_ASSERT_APPKIT_THREAD;
  66     fApplicationName = nil;
  67     dummyEventTimestamp = 0.0;
  68     seenDummyEventLock = nil;
  69 
  70 
  71     // NSApplication will call _RegisterApplication with the application's bundle, but there may not be one.
  72     // So, we need to call it ourselves to ensure the app is set up properly.
  73     [self registerWithProcessManager];
  74 
  75     return [super init];
  76 }
  77 
  78 - (void)dealloc
  79 {
  80     [[NSUserNotificationCenter defaultUserNotificationCenter] setDelegate:nil];
  81 
  82     [fApplicationName release];
  83     fApplicationName = nil;
  84 
  85     [super dealloc];
  86 }
  87 
  88 - (void)finishLaunching
  89 {
  90 AWT_ASSERT_APPKIT_THREAD;
  91 
  92     JNIEnv *env = [ThreadUtilities getJNIEnv];
  93 
  94     // Get default nib file location
  95     // NOTE: This should learn about the current java.version. Probably best thru
  96     //  the Makefile system's -DFRAMEWORK_VERSION define. Need to be able to pass this
  97     //  thru to PB from the Makefile system and for local builds.
  98     NSString *defaultNibFile = [PropertiesUtilities javaSystemPropertyForKey:@"apple.awt.application.nib" withEnv:env];
  99     if (!defaultNibFile) {
 100         NSBundle *javaBundle = [NSBundle bundleWithPath:SHARED_FRAMEWORK_BUNDLE];
 101         defaultNibFile = [javaBundle pathForResource:@"DefaultApp" ofType:@"nib"];
 102     } else {
 103         sUsingDefaultNIB = NO;
 104     }
 105 
 106     [NSBundle loadNibFile:defaultNibFile externalNameTable: [NSDictionary dictionaryWithObject:self forKey:@"NSOwner"] withZone:nil];
 107 
 108     // Set user defaults to not try to parse application arguments.
 109     NSUserDefaults * defs = [NSUserDefaults standardUserDefaults];
 110     NSDictionary * noOpenDict = [NSDictionary dictionaryWithObject:@"NO" forKey:@"NSTreatUnknownArgumentsAsOpen"];
 111     [defs registerDefaults:noOpenDict];
 112 
 113     // Fix up the dock icon now that we are registered with CAS and the Dock.
 114     [self setDockIconWithEnv:env];
 115 
 116     // If we are using our nib (the default application NIB) we need to put the app name into
 117     // the application menu, which has placeholders for the name.
 118     if (sUsingDefaultNIB) {
 119         NSUInteger i, itemCount;
 120         NSMenu *theMainMenu = [NSApp mainMenu];
 121 
 122         // First submenu off the main menu is the application menu.
 123         NSMenuItem *appMenuItem = [theMainMenu itemAtIndex:0];
 124         NSMenu *appMenu = [appMenuItem submenu];
 125         itemCount = [appMenu numberOfItems];
 126 
 127         for (i = 0; i < itemCount; i++) {
 128             NSMenuItem *anItem = [appMenu itemAtIndex:i];
 129             NSString *oldTitle = [anItem title];
 130             [anItem setTitle:[NSString stringWithFormat:oldTitle, fApplicationName]];
 131         }
 132     }
 133 
 134     if (applicationDelegate) {
 135         [self setDelegate:applicationDelegate];
 136     } else {
 137         qad = [QueuingApplicationDelegate sharedDelegate];
 138         [self setDelegate:qad];
 139     }
 140 
 141     [super finishLaunching];
 142 
 143     [[NSUserNotificationCenter defaultUserNotificationCenter] setDelegate:self];
 144 
 145     // inform any interested parties that the AWT has arrived and is pumping
 146     [[NSNotificationCenter defaultCenter] postNotificationName:JNFRunLoopDidStartNotification object:self];
 147 }
 148 
 149 - (BOOL)userNotificationCenter:(NSUserNotificationCenter *)center
 150      shouldPresentNotification:(NSUserNotification *)notification
 151 {
 152     return YES; // We always show notifications to the user
 153 }
 154 
 155 - (void) registerWithProcessManager
 156 {
 157     // Headless: NO
 158     // Embedded: NO
 159     // Multiple Calls: NO
 160     //  Caller: -[NSApplicationAWT init]
 161 
 162 AWT_ASSERT_APPKIT_THREAD;
 163     JNIEnv *env = [ThreadUtilities getJNIEnv];
 164 
 165     char envVar[80];
 166 
 167     // The following environment variable is set from the -Xdock:name param. It should be UTF8.
 168     snprintf(envVar, sizeof(envVar), "APP_NAME_%d", getpid());
 169     char *appName = getenv(envVar);
 170     if (appName != NULL) {
 171         fApplicationName = [NSString stringWithUTF8String:appName];
 172         unsetenv(envVar);
 173     }
 174 
 175     // If it wasn't specified as an argument, see if it was specified as a system property.
 176     if (fApplicationName == nil) {
 177         fApplicationName = [PropertiesUtilities javaSystemPropertyForKey:@"apple.awt.application.name" withEnv:env];
 178     }
 179 
 180     // If we STILL don't have it, the app name is retrieved from an environment variable (set in java.c) It should be UTF8.
 181     if (fApplicationName == nil) {
 182         char mainClassEnvVar[80];
 183         snprintf(mainClassEnvVar, sizeof(mainClassEnvVar), "JAVA_MAIN_CLASS_%d", getpid());
 184         char *mainClass = getenv(mainClassEnvVar);
 185         if (mainClass != NULL) {
 186             fApplicationName = [NSString stringWithUTF8String:mainClass];
 187             unsetenv(mainClassEnvVar);
 188 
 189             NSRange lastPeriod = [fApplicationName rangeOfString:@"." options:NSBackwardsSearch];
 190             if (lastPeriod.location != NSNotFound) {
 191                 fApplicationName = [fApplicationName substringFromIndex:lastPeriod.location + 1];
 192             }
 193         }
 194     }
 195 
 196     // The dock name is nil for double-clickable Java apps (bundled and Web Start apps)
 197     // When that happens get the display name, and if that's not available fall back to
 198     // CFBundleName.
 199     NSBundle *mainBundle = [NSBundle mainBundle];
 200     if (fApplicationName == nil) {
 201         fApplicationName = (NSString *)[mainBundle objectForInfoDictionaryKey:@"CFBundleDisplayName"];
 202 
 203         if (fApplicationName == nil) {
 204             fApplicationName = (NSString *)[mainBundle objectForInfoDictionaryKey:(NSString *)kCFBundleNameKey];
 205 
 206             if (fApplicationName == nil) {
 207                 fApplicationName = (NSString *)[mainBundle objectForInfoDictionaryKey: (NSString *)kCFBundleExecutableKey];
 208 
 209                 if (fApplicationName == nil) {
 210                     // Name of last resort is the last part of the applicatoin name without the .app (consistent with CopyProcessName)
 211                     fApplicationName = [[mainBundle bundlePath] lastPathComponent];
 212 
 213                     if ([fApplicationName hasSuffix:@".app"]) {
 214                         fApplicationName = [fApplicationName stringByDeletingPathExtension];
 215                     }
 216                 }
 217             }
 218         }
 219     }
 220 
 221     // We're all done trying to determine the app name.  Hold on to it.
 222     [fApplicationName retain];
 223 
 224     NSDictionary *registrationOptions = [NSMutableDictionary dictionaryWithObject:fApplicationName forKey:@"JRSAppNameKey"];
 225 
 226     NSString *launcherType = [PropertiesUtilities javaSystemPropertyForKey:@"sun.java.launcher" withEnv:env];
 227     if ([@"SUN_STANDARD" isEqualToString:launcherType]) {
 228         [registrationOptions setValue:[NSNumber numberWithBool:YES] forKey:@"JRSAppIsCommandLineKey"];
 229     }
 230 
 231     NSString *uiElementProp = [PropertiesUtilities javaSystemPropertyForKey:@"apple.awt.UIElement" withEnv:env];
 232     if ([@"true" isCaseInsensitiveLike:uiElementProp]) {
 233         [registrationOptions setValue:[NSNumber numberWithBool:YES] forKey:@"JRSAppIsUIElementKey"];
 234     }
 235 
 236     NSString *backgroundOnlyProp = [PropertiesUtilities javaSystemPropertyForKey:@"apple.awt.BackgroundOnly" withEnv:env];
 237     if ([@"true" isCaseInsensitiveLike:backgroundOnlyProp]) {
 238         [registrationOptions setValue:[NSNumber numberWithBool:YES] forKey:@"JRSAppIsBackgroundOnlyKey"];
 239     }
 240 
 241     // TODO replace with direct call
 242     // [JRSAppKitAWT registerAWTAppWithOptions:registrationOptions];
 243     // and remove below transform/activate/run hack
 244 
 245     id jrsAppKitAWTClass = objc_getClass("JRSAppKitAWT");
 246     SEL registerSel = @selector(registerAWTAppWithOptions:);
 247     if ([jrsAppKitAWTClass respondsToSelector:registerSel]) {
 248         [jrsAppKitAWTClass performSelector:registerSel withObject:registrationOptions];
 249         return;
 250     }
 251 
 252 // HACK BEGIN
 253     // The following is necessary to make the java process behave like a
 254     // proper foreground application...
 255     [JNFRunLoop performOnMainThreadWaiting:NO withBlock:^(){
 256         ProcessSerialNumber psn;
 257         GetCurrentProcess(&psn);
 258         TransformProcessType(&psn, kProcessTransformToForegroundApplication);
 259 
 260         [NSApp activateIgnoringOtherApps:YES];
 261         [NSApp run];
 262     }];
 263 // HACK END
 264 }
 265 
 266 - (void) setDockIconWithEnv:(JNIEnv *)env {
 267     NSString *theIconPath = nil;
 268 
 269     // The following environment variable is set in java.c. It is probably UTF8.
 270     char envVar[80];
 271     snprintf(envVar, sizeof(envVar), "APP_ICON_%d", getpid());
 272     char *appIcon = getenv(envVar);
 273     if (appIcon != NULL) {
 274         theIconPath = [NSString stringWithUTF8String:appIcon];
 275         unsetenv(envVar);
 276     }
 277 
 278     if (theIconPath == nil) {
 279         theIconPath = [PropertiesUtilities javaSystemPropertyForKey:@"apple.awt.application.icon" withEnv:env];
 280     }
 281 
 282     // Use the path specified to get the icon image
 283     NSImage* iconImage = nil;
 284     if (theIconPath != nil) {
 285         iconImage = [[NSImage alloc] initWithContentsOfFile:theIconPath];
 286     }
 287 
 288     // If no icon file was specified or we failed to get the icon image
 289     // and there is no bundle's icon, then use the default icon
 290     if (iconImage == nil) {
 291         NSString* bundleIcon = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleIconFile"];
 292         if (bundleIcon == nil) {
 293             NSData* iconData;
 294             iconData = [[NSData alloc] initWithBytesNoCopy: sAWTIconData length: sizeof(sAWTIconData) freeWhenDone: NO];
 295             iconImage = [[NSImage alloc] initWithData: iconData];
 296             [iconData release];
 297         }
 298     }
 299 
 300     // Set up the dock icon if we have an icon image.
 301     if (iconImage != nil) {
 302         [NSApp setApplicationIconImage:iconImage];
 303         [iconImage release];
 304     }
 305 }
 306 
 307 + (void) runAWTLoopWithApp:(NSApplication*)app {
 308     NSAutoreleasePool *pool = [NSAutoreleasePool new];
 309 
 310     // Make sure that when we run in AWTRunLoopMode we don't exit randomly
 311     [[NSRunLoop currentRunLoop] addPort:[NSPort port] forMode:[JNFRunLoop javaRunLoopMode]];
 312 
 313     do {
 314         @try {
 315             [app run];
 316         } @catch (NSException* e) {
 317             NSLog(@"Apple AWT Startup Exception: %@", [e description]);
 318             NSLog(@"Apple AWT Restarting Native Event Thread");
 319 
 320             [app stop:app];
 321         }
 322     } while (YES);
 323 
 324     [pool drain];
 325 }
 326 
 327 - (BOOL)usingDefaultNib {
 328     return sUsingDefaultNIB;
 329 }
 330 
 331 - (void)orderFrontStandardAboutPanelWithOptions:(NSDictionary *)optionsDictionary {
 332     if (!optionsDictionary) {
 333         optionsDictionary = [NSMutableDictionary dictionaryWithCapacity:2];
 334         [optionsDictionary setValue:[[[[[NSApp mainMenu] itemAtIndex:0] submenu] itemAtIndex:0] title] forKey:@"ApplicationName"];
 335         if (![NSImage imageNamed:@"NSApplicationIcon"]) {
 336             [optionsDictionary setValue:[NSApp applicationIconImage] forKey:@"ApplicationIcon"];
 337         }
 338     }
 339 
 340     [super orderFrontStandardAboutPanelWithOptions:optionsDictionary];
 341 }
 342 
 343 #define DRAGMASK (NSMouseMovedMask | NSLeftMouseDraggedMask | NSRightMouseDownMask | NSRightMouseDraggedMask | NSLeftMouseUpMask | NSRightMouseUpMask | NSFlagsChangedMask | NSKeyDownMask)
 344 
 345 #if defined(MAC_OS_X_VERSION_10_12) && __LP64__
 346    // 10.12 changed `mask` to NSEventMask (unsigned long long) for x86_64 builds.
 347 - (NSEvent *)nextEventMatchingMask:(NSEventMask)mask
 348 #else
 349 - (NSEvent *)nextEventMatchingMask:(NSUInteger)mask
 350 #endif
 351 untilDate:(NSDate *)expiration inMode:(NSString *)mode dequeue:(BOOL)deqFlag {
 352     if (mask == DRAGMASK && [((NSString *)kCFRunLoopDefaultMode) isEqual:mode]) {
 353         postEventDuringEventSynthesis = YES;
 354     }
 355 
 356     NSEvent *event = [super nextEventMatchingMask:mask untilDate:expiration inMode:mode dequeue: deqFlag];
 357     postEventDuringEventSynthesis = NO;
 358 
 359     return event;
 360 }
 361 
 362 // NSTimeInterval has microseconds precision
 363 #define TS_EQUAL(ts1, ts2) (fabs((ts1) - (ts2)) < 1e-6)
 364 
 365 - (void)sendEvent:(NSEvent *)event
 366 {
 367     if ([event type] == NSApplicationDefined
 368             && TS_EQUAL([event timestamp], dummyEventTimestamp)
 369             && (short)[event subtype] == NativeSyncQueueEvent
 370             && [event data1] == NativeSyncQueueEvent
 371             && [event data2] == NativeSyncQueueEvent) {
 372         [seenDummyEventLock lockWhenCondition:NO];
 373         [seenDummyEventLock unlockWithCondition:YES];
 374     } else if ([event type] == NSApplicationDefined
 375                && (short)[event subtype] == ExecuteBlockEvent
 376                && [event data1] != 0 && [event data2] == ExecuteBlockEvent) {
 377         void (^block)() = (void (^)()) [event data1];
 378         block();
 379         [block release];
 380     } else if ([event type] == NSKeyUp && ([event modifierFlags] & NSCommandKeyMask)) {
 381         // Cocoa won't send us key up event when releasing a key while Cmd is down,
 382         // so we have to do it ourselves.
 383         [[self keyWindow] sendEvent:event];
 384     } else {
 385         [super sendEvent:event];
 386     }
 387 }
 388 
 389 /*
 390  * Posts the block to the AppKit event queue which will be executed
 391  * on the main AppKit loop.
 392  * While running nested loops this event will be ignored.
 393  */
 394 - (void)postRunnableEvent:(void (^)())block
 395 {
 396     void (^copy)() = [block copy];
 397     NSInteger encode = (NSInteger) copy;
 398     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 399     NSEvent* event = [NSEvent otherEventWithType: NSApplicationDefined
 400                                         location: NSMakePoint(0,0)
 401                                    modifierFlags: 0
 402                                        timestamp: 0
 403                                     windowNumber: 0
 404                                          context: nil
 405                                          subtype: ExecuteBlockEvent
 406                                            data1: encode
 407                                            data2: ExecuteBlockEvent];
 408 
 409     [NSApp postEvent: event atStart: NO];
 410     [pool drain];
 411 }
 412 
 413 - (void)postDummyEvent:(bool)useCocoa {
 414     seenDummyEventLock = [[NSConditionLock alloc] initWithCondition:NO];
 415     dummyEventTimestamp = [NSProcessInfo processInfo].systemUptime;
 416 
 417     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 418     NSEvent* event = [NSEvent otherEventWithType: NSApplicationDefined
 419                                         location: NSMakePoint(0,0)
 420                                    modifierFlags: 0
 421                                        timestamp: dummyEventTimestamp
 422                                     windowNumber: 0
 423                                          context: nil
 424                                          subtype: NativeSyncQueueEvent
 425                                            data1: NativeSyncQueueEvent
 426                                            data2: NativeSyncQueueEvent];
 427     if (useCocoa) {
 428         [NSApp postEvent:event atStart:NO];
 429     } else {
 430         ProcessSerialNumber psn;
 431         GetCurrentProcess(&psn);
 432         CGEventPostToPSN(&psn, [event CGEvent]);
 433     }
 434     [pool drain];
 435 }
 436 
 437 - (void)waitForDummyEvent:(double)timeout {
 438     bool unlock = true;
 439     if (timeout >= 0) {
 440         double sec = timeout / 1000;
 441         unlock = [seenDummyEventLock lockWhenCondition:YES
 442                                beforeDate:[NSDate dateWithTimeIntervalSinceNow:sec]];
 443     } else {
 444         [seenDummyEventLock lockWhenCondition:YES];
 445     }
 446     if (unlock) {
 447         [seenDummyEventLock unlock];
 448     }
 449     [seenDummyEventLock release];
 450 
 451     seenDummyEventLock = nil;
 452 }
 453 
 454 @end
 455 
 456 
 457 void OSXAPP_SetApplicationDelegate(id <NSApplicationDelegate> newdelegate)
 458 {
 459 AWT_ASSERT_APPKIT_THREAD;
 460     applicationDelegate = newdelegate;
 461 
 462     if (NSApp != nil) {
 463         [NSApp setDelegate: applicationDelegate];
 464 
 465         if (applicationDelegate && qad) {
 466             [qad processQueuedEventsWithTargetDelegate: applicationDelegate];
 467             qad = nil;
 468         }
 469     }
 470 }