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+//
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+// LaunchAtLoginController.m
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+//
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+// Copyright 2011 Tomáš Znamenáček
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+// Copyright 2010 Ben Clark-Robinson
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+//
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+// Permission is hereby granted, free of charge, to any person obtaining
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+// a copy of this software and associated documentation files (the ‘Software’),
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+// to deal in the Software without restriction, including without limitation
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+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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+// and/or sell copies of the Software, and to permit persons to whom the
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+// Software is furnished to do so, subject to the following conditions:
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+//
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+// The above copyright notice and this permission notice shall be
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+// included in all copies or substantial portions of the Software.
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+//
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+// THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND,
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+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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+// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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+
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+#import "LaunchAtLoginController.h"
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+
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+static NSString *const StartAtLoginKey = @"launchAtLogin";
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+
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+@interface LaunchAtLoginController ()
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+@property(assign) LSSharedFileListRef loginItems;
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+@end
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+
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+@implementation LaunchAtLoginController
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+@synthesize loginItems;
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+
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+#pragma mark Change Observing
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+
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+void sharedFileListDidChange(LSSharedFileListRef inList, void *context)
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+{
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+ LaunchAtLoginController *self = (__bridge id) context;
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+ [self willChangeValueForKey:StartAtLoginKey];
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+ [self didChangeValueForKey:StartAtLoginKey];
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+}
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+
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+#pragma mark Initialization
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+
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+- (id) init
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+{
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+ self = [super init];
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+ if(self) {
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+ loginItems = LSSharedFileListCreate(NULL, kLSSharedFileListSessionLoginItems, NULL);
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+ LSSharedFileListAddObserver(loginItems, CFRunLoopGetMain(),
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+ (CFStringRef)NSDefaultRunLoopMode, sharedFileListDidChange, (__bridge void*)self);
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+ }
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+ return self;
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+}
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+
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+- (void) dealloc
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+{
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+ LSSharedFileListRemoveObserver(loginItems, CFRunLoopGetMain(),
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+ (CFStringRef)NSDefaultRunLoopMode, sharedFileListDidChange, (__bridge void*)self);
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+ CFRelease(loginItems);
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+}
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+
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+#pragma mark Launch List Control
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+
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+- (LSSharedFileListItemRef) findItemWithURL: (NSURL*) wantedURL inFileList: (LSSharedFileListRef) fileList
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+{
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+ if (wantedURL == NULL || fileList == NULL)
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+ return NULL;
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+
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+ NSArray *listSnapshot = (__bridge NSArray*)LSSharedFileListCopySnapshot(fileList, NULL);
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+ for (id itemObject in listSnapshot) {
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+ LSSharedFileListItemRef item = (__bridge LSSharedFileListItemRef) itemObject;
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+ UInt32 resolutionFlags = kLSSharedFileListNoUserInteraction | kLSSharedFileListDoNotMountVolumes;
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+ CFURLRef currentItemURL = NULL;
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+ LSSharedFileListItemResolve(item, resolutionFlags, ¤tItemURL, NULL);
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+ if (currentItemURL && CFEqual(currentItemURL, (__bridge CFTypeRef)wantedURL)) {
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+ CFRelease(currentItemURL);
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+ return item;
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+ }
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+ if (currentItemURL)
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+ CFRelease(currentItemURL);
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+ }
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+
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+ return NULL;
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+}
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+
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+- (BOOL) willLaunchAtLogin: (NSURL*) itemURL
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+{
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+ return !![self findItemWithURL:itemURL inFileList:loginItems];
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+}
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+
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+- (void) setLaunchAtLogin: (BOOL) enabled forURL: (NSURL*) itemURL
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+{
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+ LSSharedFileListItemRef appItem = [self findItemWithURL:itemURL inFileList:loginItems];
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+ if (enabled && !appItem) {
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+ LSSharedFileListInsertItemURL(loginItems, kLSSharedFileListItemBeforeFirst,
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+ NULL, NULL, (__bridge CFURLRef)itemURL, NULL, NULL);
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+ } else if (!enabled && appItem)
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+ LSSharedFileListItemRemove(loginItems, appItem);
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+}
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+
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+#pragma mark Basic Interface
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+
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+- (NSURL*) appURL
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+{
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+ return [NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]];
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+}
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+
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+- (void) setLaunchAtLogin: (BOOL) enabled
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+{
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+ [self willChangeValueForKey:StartAtLoginKey];
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+ [self setLaunchAtLogin:enabled forURL:[self appURL]];
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+ [self didChangeValueForKey:StartAtLoginKey];
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+}
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+
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+- (BOOL) launchAtLogin
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+{
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+ return [self willLaunchAtLogin:[self appURL]];
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+}
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+
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+@end
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Grant Limberg