Adds support for Apple's remote (only handles Play/Pause at the moment).

AppleRemote.[mh] is MIT licensed code from Martin Kahr:
http://www.martinkahr.com/source-code

Makefile.am

@@ -348,6 +348,8 @@ VLC-release.app: vlc
 	mkdir -p $(top_builddir)/tmp/modules/audio_output
 	mkdir -p $(top_builddir)/tmp/modules/gui/macosx
 	for i in \
+	    AppleRemote.h \
+	    AppleRemote.m \
 	    about.h \
 	    about.m \
 	    applescript.h \
@@ -486,6 +488,8 @@ VLC.app: vlc
 	mkdir -p $(top_builddir)/tmp/modules/audio_output
 	mkdir -p $(top_builddir)/tmp/modules/gui/macosx
 	for i in \
+	    AppleRemote.h \
+	    AppleRemote.m \
 	    about.h \
 	    about.m \
 	    applescript.h \

modules/gui/macosx/AppleRemote.h

+//
+//  AppleRemote.h
+//  AppleRemote
+//
+//  Created by Martin Kahr on 11.03.06.
+//  Copyright 2006 martinkahr.com. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+#import <mach/mach.h>
+#import <mach/mach_error.h>
+#import <IOKit/IOKitLib.h>
+#import <IOKit/IOCFPlugIn.h>
+#import <IOKit/hid/IOHIDLib.h>
+#import <IOKit/hid/IOHIDKeys.h>
+
+enum AppleRemoteEventIdentifier
+{
+	kRemoteButtonVolume_Plus=0,
+	kRemoteButtonVolume_Minus,
+	kRemoteButtonMenu,
+	kRemoteButtonPlay,
+	kRemoteButtonRight,	
+	kRemoteButtonLeft,	
+	kRemoteButtonRight_Hold,	
+	kRemoteButtonLeft_Hold,
+	kRemoteButtonMenu_Hold,
+	kRemoteButtonPlay_Sleep,
+	kRemoteControl_Switched
+};
+typedef enum AppleRemoteEventIdentifier AppleRemoteEventIdentifier;
+
+/*	Encapsulates usage of the apple remote control
+	This class is implemented as a singleton as there is exactly one remote per machine (until now)
+	The class is not thread safe
+*/
+@interface AppleRemote : NSObject {
+	IOHIDDeviceInterface** hidDeviceInterface;
+	IOHIDQueueInterface**  queue;
+	NSMutableArray*		   allCookies;
+	NSMutableDictionary*   cookieToButtonMapping;
+
+	BOOL openInExclusiveMode;
+	
+	int remoteId;
+
+	IBOutlet id delegate;
+}
+
+- (void) setRemoteId: (int) aValue;
+- (int) remoteId;
+
+- (BOOL) isRemoteAvailable;
+
+- (BOOL) isListeningToRemote;
+- (void) setListeningToRemote: (BOOL) value;
+
+- (BOOL) isOpenInExclusiveMode;
+- (void) setOpenInExclusiveMode: (BOOL) value;
+
+- (void) setDelegate: (id) delegate;
+- (id) delegate;
+
+- (IBAction) startListening: (id) sender;
+- (IBAction) stopListening: (id) sender;
+@end
+
+@interface AppleRemote (Singleton)
+
++ (AppleRemote*) sharedRemote;
+
+@end
+
+/*	Method definitions for the delegate of the AppleRemote class
+*/
+@interface NSObject(NSAppleRemoteDelegate)
+
+- (void) appleRemoteButton: (AppleRemoteEventIdentifier)buttonIdentifier pressedDown: (BOOL) pressedDown;
+
+@end
+
+@interface AppleRemote (PrivateMethods) 
+- (NSDictionary*) cookieToButtonMapping;
+- (IOHIDQueueInterface**) queue;
+- (IOHIDDeviceInterface**) hidDeviceInterface;
+- (void) handleEventWithCookieString: (NSString*) cookieString sumOfValues: (SInt32) sumOfValues; 
+@end
+
+@interface AppleRemote (IOKitMethods) 
+- (io_object_t) findAppleRemoteDevice;
+- (IOHIDDeviceInterface**) createInterfaceForDevice: (io_object_t) hidDevice;
+- (BOOL) initializeCookies;
+- (BOOL) openDevice;
+@end
\ No newline at end of file

modules/gui/macosx/Modules.am

 SOURCES_macosx = \
+	AppleRemote.h \
+	AppleRemote.m \
 	about.h \
 	about.m \
 	applescript.h \

modules/gui/macosx/intf.h

@@ -86,6 +86,7 @@ struct intf_sys_t
 /*****************************************************************************
  * VLCMain interface
  *****************************************************************************/
+@class AppleRemote;
 @interface VLCMain : NSObject
 {
     intf_thread_t *p_intf;      /* The main intf object */
@@ -275,6 +276,8 @@ struct intf_sys_t
     NSSize o_size_with_playlist;
 
     int     i_lastShownVolume;
+
+    AppleRemote * o_remote;
 }
 
 + (VLCMain *)sharedInstance;

modules/gui/macosx/intf.m

@@ -45,6 +45,7 @@
 #include "interaction.h"
 #include "embeddedwindow.h"
 #include "update.h"
+#include "AppleRemote.h"
 
 /*****************************************************************************
  * Local prototypes.
@@ -343,6 +344,10 @@ static VLCMain *_o_sharedMainInstance = nil;
     o_update = [[VLCUpdate alloc] init];
 
     i_lastShownVolume = -1;
+
+    o_remote = [[AppleRemote alloc] init];
+    [o_remote setDelegate: _o_sharedMainInstance];
+    
     return _o_sharedMainInstance;
 }
 
@@ -684,6 +689,33 @@ static VLCMain *_o_sharedMainInstance = nil;
     return( o_str );
 }
 
+/* Listen to the remote in exclusive mode, only when VLC is the active
+   application */
+- (void)applicationDidBecomeActive:(NSNotification *)aNotification
+{
+    [o_remote startListening: self];
+}
+- (void)applicationDidResignActive:(NSNotification *)aNotification
+{
+    [o_remote stopListening: self];
+}
+
+/* Apple Remote callback */
+- (void)appleRemoteButton:(AppleRemoteEventIdentifier)buttonIdentifier
+    pressedDown:(BOOL)pressedDown
+{
+    switch( buttonIdentifier )
+    {
+        case kRemoteButtonPlay:
+            [o_controls play: self];
+            break;
+
+        default:
+            /* Add here whatever you want other buttons to do */
+            break;
+    }
+}
+
 - (char *)delocalizeString:(NSString *)id
 {
     NSData * o_data = [id dataUsingEncoding: NSUTF8StringEncoding