2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3 * Copyright (C) 2006 Graham Dennis. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of Apple Inc. ("Apple") nor the names of
15 * its contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #import <Cocoa/Cocoa.h>
31 #import "WebKitNightlyEnablerSparkle.h"
33 static void enableWebKitNightlyBehaviour() __attribute__ ((constructor));
35 static NSString *WKNERunState = @"WKNERunState";
36 static NSString *WKNEShouldMonitorShutdowns = @"WKNEShouldMonitorShutdowns";
44 static char *webKitAppPath;
45 static bool extensionBundlesWereLoaded = NO;
46 static NSSet *extensionPaths = nil;
48 static int32_t systemVersion()
50 static SInt32 version = 0;
52 Gestalt(gestaltSystemVersion, &version);
58 static void myBundleDidLoad(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo)
60 NSBundle *bundle = (NSBundle *)object;
61 NSString *bundlePath = [[bundle bundlePath] stringByAbbreviatingWithTildeInPath];
62 NSString *bundleFileName = [bundlePath lastPathComponent];
64 // Explicitly ignore SIMBL.bundle, as its only purpose is to load extensions
65 // on a per-application basis. It's presence indicates a user has application
66 // extensions, but not that any will be loaded into Safari
67 if ([bundleFileName isEqualToString:@"SIMBL.bundle"])
70 // If the bundle lives inside a known extension path, flag it as an extension
71 NSEnumerator *e = [extensionPaths objectEnumerator];
73 while ((path = [e nextObject])) {
74 if ([bundlePath length] < [path length])
77 if ([[bundlePath substringToIndex:[path length]] isEqualToString:path]) {
78 NSLog(@"Extension detected: %@", bundlePath);
79 extensionBundlesWereLoaded = YES;
85 static void myApplicationWillFinishLaunching(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo)
87 CFNotificationCenterRemoveObserver(CFNotificationCenterGetLocalCenter(), &myApplicationWillFinishLaunching, NULL, NULL);
88 CFNotificationCenterRemoveObserver(CFNotificationCenterGetLocalCenter(), &myBundleDidLoad, NULL, NULL);
89 [extensionPaths release];
92 NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
93 [userDefaults setInteger:RunStateRunning forKey:WKNERunState];
94 [userDefaults synchronize];
96 if (extensionBundlesWereLoaded)
97 NSRunInformationalAlertPanel(@"Safari extensions detected",
98 @"Safari extensions were detected on your system. Extensions are incompatible with nightly builds of WebKit, and may cause crashes or incorrect behavior. Please disable them if you experience such behavior.", @"Continue",
104 static void myApplicationWillTerminate(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo)
106 NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
107 [userDefaults setInteger:RunStateShutDown forKey:WKNERunState];
108 [userDefaults synchronize];
111 NSBundle *webKitLauncherBundle()
113 NSString *executablePath = [NSString stringWithUTF8String:webKitAppPath];
114 NSRange appLocation = [executablePath rangeOfString:@".app/" options:NSBackwardsSearch];
115 NSString *appPath = [executablePath substringToIndex:appLocation.location + appLocation.length];
116 return [NSBundle bundleWithPath:appPath];
119 extern char **_CFGetProcessPath() __attribute__((weak));
120 extern OSStatus _RegisterApplication(CFDictionaryRef additionalAppInfoRef, ProcessSerialNumber* myPSN) __attribute__((weak));
122 static void poseAsWebKitApp()
124 webKitAppPath = strdup(getenv("WebKitAppPath"));
128 unsetenv("WebKitAppPath");
130 // Set up the main bundle early so it points at Safari.app
131 CFBundleGetMainBundle();
133 if (systemVersion() < 0x1060) {
134 if (!_CFGetProcessPath)
137 // Fiddle with CoreFoundation to have it pick up the executable path as being within WebKit.app
138 char **processPath = _CFGetProcessPath();
140 setenv("CFProcessPath", webKitAppPath, 1);
142 unsetenv("CFProcessPath");
144 if (!_RegisterApplication)
147 // Register the application with LaunchServices, passing a customized registration dictionary that
148 // uses the WebKit launcher as the application bundle.
149 NSBundle *bundle = webKitLauncherBundle();
150 NSMutableDictionary *checkInDictionary = [[bundle infoDictionary] mutableCopy];
151 [checkInDictionary setObject:[bundle bundlePath] forKey:@"LSBundlePath"];
152 [checkInDictionary setObject:[checkInDictionary objectForKey:(NSString *)kCFBundleNameKey] forKey:@"LSDisplayName"];
153 _RegisterApplication((CFDictionaryRef)checkInDictionary, 0);
154 [checkInDictionary release];
158 static BOOL insideSafari4OnTigerTrampoline()
160 // If we're not on Tiger then we can't be in the trampoline state.
161 if ((systemVersion() & 0xFFF0) != 0x1040)
164 // If we're running Safari < 4.0 then we can't be in the trampoline state.
165 CFBundleRef safariBundle = CFBundleGetMainBundle();
166 CFStringRef safariVersion = CFBundleGetValueForInfoDictionaryKey(safariBundle, CFSTR("CFBundleShortVersionString"));
167 if ([(NSString *)safariVersion intValue] < 4)
170 const char* frameworkPath = getenv("DYLD_FRAMEWORK_PATH");
174 // If the framework search path is empty or otherwise does not contain the Safari
175 // framework's Frameworks directory then we are in the trampoline state.
176 const char safariFrameworkSearchPath[] = "/System/Library/PrivateFrameworks/Safari.framework/Frameworks";
177 return strstr(frameworkPath, safariFrameworkSearchPath) == 0;
180 static void enableWebKitNightlyBehaviour()
182 // If we're inside Safari in its trampoline state, it will very shortly relaunch itself.
183 // We bail out here so that we'll be called again in the freshly-launched Safari process.
184 if (insideSafari4OnTigerTrampoline())
187 NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
189 unsetenv("DYLD_INSERT_LIBRARIES");
192 extensionPaths = [[NSSet alloc] initWithObjects:@"~/Library/InputManagers/", @"/Library/InputManagers/",
193 @"~/Library/Application Support/SIMBL/Plugins/", @"/Library/Application Support/SIMBL/Plugins/",
194 @"~/Library/Application Enhancers/", @"/Library/Application Enhancers/",
197 // As of 2008-11 attempting to load Saft would cause a crash on launch, so prevent it from being loaded.
198 NSArray *disabledInputManagers = [NSArray arrayWithObjects:@"Saft", nil];
200 NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
201 NSDictionary *defaultPrefs = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:RunStateShutDown], WKNERunState,
202 [NSNumber numberWithBool:YES], WKNEShouldMonitorShutdowns,
203 disabledInputManagers, @"NSDisabledInputManagers", nil];
204 [userDefaults registerDefaults:defaultPrefs];
205 if ([userDefaults boolForKey:WKNEShouldMonitorShutdowns]) {
206 WKNERunStates savedState = (WKNERunStates)[userDefaults integerForKey:WKNERunState];
207 if (savedState == RunStateInitializing) {
208 // Use CoreFoundation here as AppKit hasn't been initialized at this stage of Safari's lifetime
209 CFOptionFlags responseFlags;
210 CFUserNotificationDisplayAlert(0, kCFUserNotificationCautionAlertLevel,
212 CFSTR("WebKit failed to open correctly"),
213 CFSTR("WebKit failed to open correctly on your previous attempt. Please disable any Safari extensions that you may have installed. If the problem continues to occur, please file a bug report at http://webkit.org/quality/reporting.html"),
214 CFSTR("Continue"), NULL, NULL, &responseFlags);
216 else if (savedState == RunStateRunning) {
217 NSLog(@"WebKit failed to shut down cleanly. Checking for Safari extensions.");
218 CFNotificationCenterAddObserver(CFNotificationCenterGetLocalCenter(), &myBundleDidLoad,
219 myBundleDidLoad, (CFStringRef) NSBundleDidLoadNotification,
220 NULL, CFNotificationSuspensionBehaviorDeliverImmediately);
223 [userDefaults setInteger:RunStateInitializing forKey:WKNERunState];
224 [userDefaults synchronize];
226 CFNotificationCenterAddObserver(CFNotificationCenterGetLocalCenter(), &myApplicationWillFinishLaunching,
227 myApplicationWillFinishLaunching, (CFStringRef) NSApplicationWillFinishLaunchingNotification,
228 NULL, CFNotificationSuspensionBehaviorDeliverImmediately);
229 CFNotificationCenterAddObserver(CFNotificationCenterGetLocalCenter(), &myApplicationWillTerminate,
230 myApplicationWillTerminate, (CFStringRef) NSApplicationWillTerminateNotification,
231 NULL, CFNotificationSuspensionBehaviorDeliverImmediately);
233 NSLog(@"WebKit %@ initialized.", [webKitLauncherBundle() objectForInfoDictionaryKey:@"CFBundleShortVersionString"]);