Begin Notification Center support: notifier helper app; docktileplugi…

…n, support for NSUserNotificationCenterDelegate methods

code/apps/Managed Software Center/MSCDockTilePlugin/DockTilePlugIn.h

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+/*
+
+   File: DockTilePlugIn.h
+ 
+   Copyright 2015 Greg Neagle.
+   Liberally adapted from Apple sample code:
+   https://developer.apple.com/library/mac/samplecode/DockTile/Listings/DockTilePlugIn_DockTilePlugIn_h.html
+ 
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+ 
+   http://www.apache.org/licenses/LICENSE-2.0
+ 
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+*/
+
+#import <Cocoa/Cocoa.h>
+
+@interface DockTilePlugIn : NSObject <NSDockTilePlugIn> {
+    id updateObserver;
+}
+
+@property(retain) id updateObserver;
+@end

code/apps/Managed Software Center/MSCDockTilePlugin/DockTilePlugIn.m

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+/*
+
+   File: DockTilePlugIn.m
+ 
+   Copyright 2015 Greg Neagle.
+   Liberally adapted from Apple sample code:
+   https://developer.apple.com/library/mac/samplecode/DockTile/Listings/DockTilePlugIn_DockTilePlugIn_h.html
+ 
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+ 
+   http://www.apache.org/licenses/LICENSE-2.0
+ 
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+
+*/
+
+#import "DockTilePlugIn.h"
+
+@implementation DockTilePlugIn
+
+@synthesize updateObserver;
+
+static void updateCount(NSDockTile *tile) {
+    CFPreferencesAppSynchronize(CFSTR("ManagedInstalls"));
+    NSInteger count = CFPreferencesGetAppIntegerValue(CFSTR("PendingUpdateCount"), CFSTR("ManagedInstalls"), NULL);
+    if (count) {
+        [tile setBadgeLabel:[NSString stringWithFormat:@"%ld", (long)count]];
+    } else {
+        [tile setBadgeLabel: nil];
+    }
+}
+
+- (void)setDockTile:(NSDockTile *)dockTile {
+    if (dockTile) {
+        // Attach an observer that will update the count in the dock tile whenever it changes
+	    self.updateObserver = [[NSDistributedNotificationCenter defaultCenter] addObserverForName:@"com.googlecode.munki.managedsoftwareupdate.dock.updateschanged" object:nil queue:nil usingBlock:^(NSNotification *notification) {
+	    updateCount(dockTile);	// Note that this block captures (and retains) dockTile for use later. Also note that it does not capture self, which means -dealloc may be called even while the notification is active. Although it's not clear this needs to be supported, this does eliminate a potential source of leaks.
+	}];
+        updateCount(dockTile);	// Make sure count is updated as soon as we are invoked
+    } else {
+        // Strictly speaking this may not be necessary (since the plug-in may be terminated when it's removed from the dock),
+        /// but it's good practice
+        [[NSDistributedNotificationCenter defaultCenter] removeObserver:self.updateObserver];
+	self.updateObserver = nil;
+    }
+}
+
+- (void)dealloc {
+    if (self.updateObserver) {
+	    [[NSDistributedNotificationCenter defaultCenter] removeObserver:self.updateObserver];
+	    self.updateObserver = nil;
+    }
+    [super dealloc];
+}
+
+@end

code/apps/Managed Software Center/MSCDockTilePlugin/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.googlecode.munki.$(PRODUCT_NAME:rfc1034identifier)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2015 The Munki Project. All rights reserved.</string>
+	<key>NSPrincipalClass</key>
+	<string>DockTile</string>
+</dict>
+</plist>