MacOSX/VLC_app: Initial import. Big playlist still causes memory and cpu high...

MacOSX/VLC_app: Initial import. Big playlist still causes memory and cpu high load. Interface is ugly. Miss many functionality. But code is light. Supports multiple player. Fullscreen a-la frontrow interface (yet a bit ugly).

extras/MacOSX/VLC_app/English.lproj/MainMenu.nib/classes.nib

@@ -5,14 +5,13 @@
 	<key>IBClasses</key>
 	<array>
 		<dict>
-			<key>CLASS</key>
-			<string>VLCCategoryOutlineView</string>
-			<key>LANGUAGE</key>
-			<string>ObjC</string>
-			<key>SUPERCLASS</key>
-			<string>NSOutlineView</string>
-		</dict>
-		<dict>
+			<key>ACTIONS</key>
+			<dict>
+				<key>detailListItemDoubleClicked</key>
+				<string>id</string>
+				<key>newMainWindow</key>
+				<string>id</string>
+			</dict>
 			<key>CLASS</key>
 			<string>VLCController</string>
 			<key>LANGUAGE</key>
@@ -21,12 +20,18 @@
 			<dict>
 				<key>categoryList</key>
 				<string>id</string>
+				<key>detailItemFetchedStatus</key>
+				<string>id</string>
+				<key>detailItemsCount</key>
+				<string>id</string>
 				<key>detailList</key>
 				<string>id</string>
 				<key>detailSearchField</key>
 				<string>id</string>
-				<key>videoView</key>
+				<key>fillScreenButton</key>
 				<string>id</string>
+				<key>videoView</key>
+				<string>VLCBrowsableVideoView</string>
 			</dict>
 			<key>SUPERCLASS</key>
 			<string>NSObject</string>
@@ -39,6 +44,28 @@
 			<key>SUPERCLASS</key>
 			<string>NSObject</string>
 		</dict>
+		<dict>
+			<key>ACTIONS</key>
+			<dict>
+				<key>moveDown</key>
+				<string>id</string>
+				<key>moveUp</key>
+				<string>id</string>
+			</dict>
+			<key>CLASS</key>
+			<string>VLCBrowsableVideoView</string>
+			<key>LANGUAGE</key>
+			<string>ObjC</string>
+			<key>OUTLETS</key>
+			<dict>
+				<key>selectedObject</key>
+				<string>id</string>
+				<key>target</key>
+				<string>id</string>
+			</dict>
+			<key>SUPERCLASS</key>
+			<string>VLCVideoView</string>
+		</dict>
 		<dict>
 			<key>CLASS</key>
 			<string>VLCVideoView</string>

extras/MacOSX/VLC_app/English.lproj/MainMenu.nib/info.nib

@@ -10,7 +10,7 @@
 	<integer>5</integer>
 	<key>IBOpenObjects</key>
 	<array>
-		<integer>253</integer>
+		<integer>81</integer>
 	</array>
 	<key>IBSystem Version</key>
 	<string>9B18</string>

extras/MacOSX/VLC_app/Info.plist

 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<!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>
@@ -9,7 +9,7 @@
 	<key>CFBundleIconFile</key>
 	<string></string>
 	<key>CFBundleIdentifier</key>
-	<string>com.yourcompany.VLC</string>
+	<string>org.videolan.vlc</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>

extras/MacOSX/VLC_app/Sources/ImageAndTextCell.h

+/*****************************************************************************
+ * ImageAndTextCell.h: Helpful cell to display an image and a text.
+ * Borrowed from Apple's sample code for most part.
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <Cocoa/Cocoa.h>
+
+
+@interface ImageAndTextCell : NSTextFieldCell {
+    NSString *imageKeyPath;
+    id representedObject;
+}
+
+/* Will be set at creation time */
+@property (copy) NSString * imageKeyPath;
+
+/* Will be set through an outlineView delegate. Represent an object that respond
+ * to the imageKeyPath. Text is displayed through the usual super class
+ * @"value" bindings */
+@property (retain) id representedObject;
+
+@end

extras/MacOSX/VLC_app/Sources/ImageAndTextCell.m

+/*****************************************************************************
+ * ImageAndTextCell.h: Helpful cell to display an image and a text.
+ * Borrowed from Apple's sample code for most part.
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import "ImageAndTextCell.h"
+
+@implementation ImageAndTextCell
+
+@synthesize imageKeyPath;
+@synthesize representedObject;
+
+- (id)init {
+    if (self = [super init]) {
+        [self setLineBreakMode:NSLineBreakByTruncatingTail];
+        [self setSelectable:YES];
+    }
+    return self;
+}
+
+- (void)dealloc {
+    [imageKeyPath release];
+    [super dealloc];
+}
+
+- (id)copyWithZone:(NSZone *)zone {
+    ImageAndTextCell *cell = (ImageAndTextCell *)[super copyWithZone:zone];
+    cell->imageKeyPath = [imageKeyPath copy];
+    cell->representedObject = [representedObject retain];
+    return cell;
+}
+
+- (NSImage *)cellImage
+{
+    return imageKeyPath ? [[self representedObject] valueForKeyPath: imageKeyPath] : nil;
+}
+
+- (void)editWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject event:(NSEvent *)theEvent {
+    NSRect textFrame, imageFrame;
+    NSImage * image = [self cellImage];
+    NSDivideRect (aRect, &imageFrame, &textFrame, 6 + [image size].width, NSMinXEdge);
+    [super editWithFrame: textFrame inView: controlView editor:textObj delegate:anObject event: theEvent];
+}
+
+- (void)selectWithFrame:(NSRect)aRect inView:(NSView *)controlView editor:(NSText *)textObj delegate:(id)anObject start:(NSInteger)selStart length:(NSInteger)selLength {
+    NSRect textFrame, imageFrame;
+    NSImage * image = [self cellImage];
+    NSDivideRect (aRect, &imageFrame, &textFrame, 6 + [image size].width, NSMinXEdge);
+    [super selectWithFrame: textFrame inView: controlView editor:textObj delegate:anObject start:selStart length:selLength];
+}
+
+- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView {
+    NSImage * image = [self cellImage];
+    if (image != nil) {
+        NSRect	imageFrame;
+        NSSize imageSize = [image size];
+        NSDivideRect(cellFrame, &imageFrame, &cellFrame, 6 + imageSize.width, NSMinXEdge);
+        if ([self drawsBackground]) {
+            [[self backgroundColor] set];
+            NSRectFill(imageFrame);
+        }
+        imageFrame.origin.x += 3;
+        imageFrame.size = imageSize;
+
+        if ([controlView isFlipped])
+            imageFrame.origin.y += ceil((cellFrame.size.height + imageFrame.size.height) / 2);
+        else
+            imageFrame.origin.y += ceil((cellFrame.size.height - imageFrame.size.height) / 2);
+
+        [image compositeToPoint:imageFrame.origin operation:NSCompositeSourceOver];
+    }
+    [super drawWithFrame:cellFrame inView:controlView];
+}
+
+- (NSSize)cellSize {
+    NSImage * image = [self cellImage];
+    NSSize cellSize = [super cellSize];
+    cellSize.width += (image ? [image size].width : 0) + 6;
+    return cellSize;
+}
+
+- (NSUInteger)hitTestForEvent:(NSEvent *)event inRect:(NSRect)cellFrame ofView:(NSView *)controlView {
+    NSPoint point = [controlView convertPoint:[event locationInWindow] fromView:nil];
+    NSImage * image = [self cellImage];
+    // If we have an image, we need to see if the user clicked on the image portion.
+    if (image != nil) {
+        // This code closely mimics drawWithFrame:inView:
+        NSSize imageSize = [image size];
+        NSRect imageFrame;
+        NSDivideRect(cellFrame, &imageFrame, &cellFrame, 6 + imageSize.width, NSMinXEdge);
+        
+        imageFrame.origin.x += 3;
+        imageFrame.size = imageSize;
+        // If the point is in the image rect, then it is a content hit
+        if (NSMouseInRect(point, imageFrame, [controlView isFlipped])) {
+            // We consider this just a content area. It is not trackable, nor it it editable text. If it was, we would or in the additional items.
+            // By returning the correct parts, we allow NSTableView to correctly begin an edit when the text portion is clicked on.
+            return NSCellHitContentArea;
+        }        
+    }
+    // At this point, the cellFrame has been modified to exclude the portion for the image. Let the superclass handle the hit testing at this point.
+    return [super hitTestForEvent:event inRect:cellFrame ofView:controlView];    
+}
+
+
+@end

extras/MacOSX/VLC_app/Sources/VLCAppAdditions.h

+/*****************************************************************************
+ * VLCAppAdditions.m: Helpful additions to NS* classes
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <Cocoa/Cocoa.h>
+
+@interface NSIndexPath (VLCAppAddition)
+- (NSIndexPath *)indexPathByRemovingFirstIndex;
+- (NSUInteger)lastIndex;
+@end
+
+@interface NSArray (VLCAppAddition)
+- (id)objectAtIndexPath:(NSIndexPath *)path withNodeKeyPath:(NSString *)nodeKeyPath;
+@end
+
+@interface NSView (VLCAppAdditions)
+- (void)moveSubviewsToVisible;
+@end
+
+/* Split view that supports slider animation */
+@interface VLCOneSplitView : NSSplitView
+- (float)sliderPosition;
+- (void)setSliderPosition:(float)newPosition;
+@end
\ No newline at end of file

extras/MacOSX/VLC_app/Sources/VLCAppAdditions.m

+/*****************************************************************************
+ * VLCAppAdditions.m: Helpful additions to NS* classes
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import "VLCAppAdditions.h"
+#import <QuartzCore/QuartzCore.h>
+
+@implementation NSIndexPath (VLCAppAddition)
+- (NSIndexPath *)indexPathByRemovingFirstIndex
+{
+    if( [self length] <= 1 )
+        return [[[NSIndexPath alloc] init] autorelease];
+
+    NSIndexPath * ret;
+    NSUInteger * ints = malloc(sizeof(NSUInteger)*[self length]);
+    if( !ints ) return nil;
+    [self getIndexes:ints];
+
+    ret = [NSIndexPath indexPathWithIndexes:ints+1 length:[self length]-1];
+
+    free(ints);
+    return ret;
+}
+- (NSUInteger)lastIndex
+{
+    if(![self length])
+        return 0;
+    return [self indexAtPosition:[self length]-1];
+}
+@end
+
+@implementation NSArray (VLCAppAddition)
+- (id)objectAtIndexPath:(NSIndexPath *)path withNodeKeyPath:(NSString *)nodeKeyPath
+{
+    if( ![path length] || !nodeKeyPath )
+        return self;
+
+    id object = [self objectAtIndex:[path indexAtPosition:0]];
+    id subarray = [object valueForKeyPath:nodeKeyPath];
+    if([path length] == 1)
+        return subarray ? subarray : object;
+
+    if(!subarray)
+        return object;
+    return [subarray objectAtIndexPath:[path indexPathByRemovingFirstIndex] withNodeKeyPath:nodeKeyPath];
+}
+@end
+
+@implementation NSView (VLCAppAdditions)
+- (void)moveSubviewsToVisible
+{
+    for(NSView * view in [self subviews])
+    {
+        if( ([view autoresizingMask] & NSViewHeightSizable) &&
+            !NSContainsRect([view frame], [self bounds]) )
+        {
+            NSRect newFrame = NSIntersectionRect( [self bounds], [view frame] );
+            if( !NSIsEmptyRect(newFrame) )
+                [view setFrame:NSIntersectionRect( [self bounds], [view frame] )];
+        }
+    }
+}
+@end
+
+/* Split view that supports slider animation */
+@implementation VLCOneSplitView
+- (float)sliderPosition
+{
+    return [[[self subviews] objectAtIndex:0] frame].size.height;
+}
+- (void)setSliderPosition:(float)newPosition
+{
+    [self setPosition:newPosition ofDividerAtIndex:0];
+}
++ (id)defaultAnimationForKey:(NSString *)key
+{
+    if([key isEqualToString:@"sliderPosition"])
+    {
+        return [CABasicAnimation animation];
+    }
+    return [super defaultAnimationForKey: key];
+}
+@end
+

extras/MacOSX/VLC_app/Sources/VLCAppBindings.h

+/*****************************************************************************
+ * VLCAppBindings.m: Helpful addition code related to bindings uses
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <Cocoa/Cocoa.h>
+#import <VLC/VLC.h>
+
+/* We do implement some category functions,
+ * But we don't publicise them, as they should
+ * only be used with bindings. */
+
+@interface VLCMediaDiscoverer (VLCAppBindings)
+@end
+
+@interface VLCMedia (VLCAppBindings)
+@end
+
+@interface VLCMediaPlayer (VLCAppBindings)
+@end

extras/MacOSX/VLC_app/Sources/VLCAppBindings.m

+/*****************************************************************************
+ * VLCAppBindings.m: Helpful addition code related to bindings uses
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import "VLCAppBindings.h"
+
+/* This is globally a big hack to ease binding uses */
+
+
+/******************************************************************************
+ * VLCMediaDiscoverer (MasterViewBindings)
+ */
+@implementation VLCMediaDiscoverer (MasterViewBindings)
++(void)initialize
+{
+    [VLCMediaDiscoverer setKeys:[NSArray arrayWithObject:@"running"] triggerChangeNotificationsForDependentKey:@"currentlyFetchingItems"];
+}
+
++ (NSSet *)keyPathsForValuesAffectingValueForKey:(NSString *)key
+{
+    /* Thanks to Julien Robert, we'll have some nice auto triggered KVO event from here */
+    static NSDictionary * dict = nil;
+    if( !dict )
+    {
+        dict = [[NSDictionary dictionaryWithObjectsAndKeys:
+            [NSSet setWithObject:@"discoveredMedia.flatAspect"], @"childrenInMasterViewForDetailView",
+            nil] retain];
+    }
+    return [dict objectForKey: key];
+}
+
+/* General shortcuts */
+- (BOOL)currentlyFetchingItems
+{
+    return [self isRunning];
+}
+- (NSImage *)image
+{
+    static NSImage * sdImage = nil;
+    if( !sdImage )
+        sdImage = [[NSImage imageNamed:@"applications-internet.png"] retain];
+    return sdImage;
+}
+
+/* MasterView specific bindings */
+- (NSArray *)childrenInMasterView
+{
+    return nil;
+}
+- (NSString *)descriptionInMasterView
+{
+    return [self localizedName];
+}
+- (VLCMediaListAspect *)childrenInMasterViewForDetailView
+{
+    return [[self discoveredMedia] flatAspect];
+}
+- (BOOL)editableInMasterView
+{
+    return NO;
+}
+- (BOOL)selectableInMasterView
+{
+    return YES;
+}
+
+/* VideoView specific bindings */
+- (NSArray *)childrenInVideoView
+{
+    return [[[self discoveredMedia] flatAspect] valueForKeyPath:@"media"];
+}
+
+- (NSString *)descriptionInVideoView
+{
+    return [self localizedName];
+}
+- (BOOL)isLeaf
+{
+    return YES;
+}
+
+@end
+
+/******************************************************************************
+ * VLCMedia (VLCAppBindings)
+ */
+@implementation VLCMedia (VLCAppBindings)
+
++ (NSSet *)keyPathsForValuesAffectingValueForKey:(NSString *)key
+{
+    /* Thanks to Julien Robert, we'll have some nice auto triggered KVO event from here */
+    static NSDictionary * dict = nil;
+    if( !dict )
+    {
+        dict = [[NSDictionary dictionaryWithObjectsAndKeys:
+            [NSSet setWithObject:@"subitems.hierarchicalNodeAspect.media"], @"childrenInMasterView",
+            [NSSet setWithObject:@"metaDictionary.title"], @"descriptionInMasterView",
+            [NSSet setWithObject:@"subitems.flatAspect"], @"childrenInMasterViewForDetailView",
+            [NSSet setWithObject:@"metaDictionary.title"], @"descriptionInVideoView",
+            [NSSet setWithObject:@"state"], @"stateAsImage",
+            nil] retain];
+    }
+    return [dict objectForKey: key];
+}
+
+/* MasterView specific bindings */
+- (NSArray *)childrenInMasterView
+{
+    return [[[self subitems] hierarchicalNodeAspect] valueForKeyPath:@"media"];
+}
+- (void)setDescriptionInMasterView:(NSString *)description
+{
+    NSLog(@"unimplemented: meta edition");
+}
+- (NSString *)descriptionInMasterView
+{
+    return [[self metaDictionary] objectForKey:@"title"];
+}
+- (VLCMediaListAspect *)childrenInMasterViewForDetailView
+{
+    return [[self subitems] flatAspect];
+}
+- (BOOL)editableInMasterView
+{
+    return YES;
+}
+- (BOOL)selectableInMasterView
+{
+    return YES;
+}
+- (BOOL)currentlyFetchingItems
+{
+    return NO;
+}
+- (NSImage *)image
+{
+    static NSImage * playlistImage = nil;
+    if( !playlistImage )
+        playlistImage = [[NSImage imageNamed:@"type_playlist.png"] retain];
+    return playlistImage;
+}
+
+/* VideoView specific bindings */
+- (NSArray *)childrenInVideoView
+{
+    return [[[self subitems] flatAspect] valueForKeyPath:@"media"];
+}
+- (NSString *)descriptionInVideoView
+{
+    return [[self metaDictionary] objectForKey:@"title"];
+}
+
+/* DetailList specific bindings */
+- (NSImage *)stateAsImage
+{
+    static NSImage * playing = nil;
+    static NSImage * error = nil;
+
+    if(!playing)
+        playing = [[NSImage imageNamed:@"volume_high.png"] retain];
+    if(!error)
+        error = [[NSImage imageNamed:@"dialog-error.png"] retain];
+
+    if( [self state] == VLCMediaStatePlaying )
+        return playing;
+    else if( [self state] == VLCMediaStateBuffering )
+        return playing;
+    else if( [self state] == VLCMediaStateError )
+        return error;
+
+    return nil;
+}
+@end
+
+@implementation VLCMediaPlayer (VLCAppBindings)
++ (void)initialize
+{
+    [self setKeys:[NSArray arrayWithObjects:@"playing", @"media", nil] triggerChangeNotificationsForDependentKey:@"description"];
+}
+
+- (NSString *)description
+{
+    if([self media])
+        return [self valueForKeyPath:@"media.metaDictionary.title"];
+    else
+        return @"VLC Media Player";
+}
+@end

extras/MacOSX/VLC_app/Sources/VLCBrowsableVideoView.h

+/*****************************************************************************
+ * VLCBrowsableVideoView.h: VideoView subclasses that allow fullscreen
+ * browsing
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <QuartzCore/QuartzCore.h>
+#import <VLC/VLC.h>
+
+@interface VLCBrowsableVideoView : VLCVideoView {
+    BOOL            menuDisplayed;
+    NSArray *       itemsTree;
+    NSRange         displayedItems;
+    NSInteger       selectedIndex;
+    CALayer *       selectionLayer;
+    CALayer *       backLayer;
+    CALayer *       menuLayer;
+    NSIndexPath *   selectedPath;
+    NSString *      nodeKeyPath;
+    NSString *      contentKeyPath;
+    id              selectedObject;
+
+    /* Actions on non-node items*/
+    id target;
+    SEL action;
+}
+
+/* Binds an nsarray to that property. But don't forget the set the access keys. */
+@property (retain) NSArray * itemsTree;
+@property (copy) NSString * nodeKeyPath;
+@property (copy) NSString * contentKeyPath;
+
+@property (readonly, retain) id selectedObject;
+
+/* Set up a specific action to do, on items that don't have node.
+ * action first argument is the browsableVideoView. You can get the selected object,
+ * with -selectedObject */
+@property (retain) id target;
+@property  SEL action;
+
+- (void)toggleMenu;
+- (void)displayMenu;
+- (void)hideMenu;
+@end

extras/MacOSX/VLC_app/Sources/VLCController.h

+/*****************************************************************************
+ * VLCController.h: VLC.app main controller
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id: VLCController.h 21565 2007-08-29 21:10:20Z pdherbemont $
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <Cocoa/Cocoa.h>
+#import <VLC/VLC.h>
+
+#import "VLCMediaArrayController.h"
+#import "VLCBrowsableVideoView.h"
+
+@class VLCMainWindow;
+
+#define VLCPanic( ex ) __VLCPanic( ex, __FUNCTION__, __FILE__, __LINE__ )
+static inline void __VLCPanic( const char * str, const char * function, const char * file, int line_number )
+{
+    NSRunCriticalAlertPanel( @"Error", [NSString stringWithFormat:@"The following error was encountered: %s (%s:%d %s)", str, file, line_number, function], @"Quit", nil, nil );
+    exit( -1 );
+}
+
+@interface VLCController : NSObject
+{
+    NSMutableArray * arrayOfPlaylists;
+    NSArray * arrayOfMasters;
+    NSArray * arrayOfVideoViewMasters;
+}
+@property (readonly, retain) NSArray * arrayOfMasters;
+@property (readonly, retain) NSArray * arrayOfVideoViewMasters;
+
+- (void)newMainWindow:(id)sender;
+@end

extras/MacOSX/VLC_app/Sources/VLCController.m

+/*****************************************************************************
+ * VLCController.m: VLC.app main controller
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id: VLCController.m 23286 2007-11-23 21:40:20Z pdherbemont $
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <VLC/VLC.h>
+
+#import "VLCController.h" 
+#import "VLCAppAdditions.h" 
+#import "VLCValueTransformer.h" 
+
+@interface VLCController ()
+@property (readwrite,retain) NSArray * arrayOfMasters;
+@property (readwrite,retain) NSArray * arrayOfVideoViewMasters;
+@end
+
+/******************************************************************************
+ * VLCBrowsableVideoView
+ */
+@implementation VLCController
+@synthesize arrayOfMasters;
+@synthesize arrayOfVideoViewMasters;
+
+- (void)awakeFromNib
+{
+    /***********************************
+     * Register our bindings value transformer
+     */
+    VLCFloat10000FoldTransformer *float100fold;
+    float100fold = [[[VLCFloat10000FoldTransformer alloc] init] autorelease];
+    [NSValueTransformer setValueTransformer:(id)float100fold forName:@"Float10000FoldTransformer"];
+    VLCNonNilAsBoolTransformer *nonNilAsBool;
+    nonNilAsBool = [[[VLCNonNilAsBoolTransformer alloc] init] autorelease];
+    [NSValueTransformer setValueTransformer:(id)nonNilAsBool forName:@"NonNilAsBoolTransformer"];
+
+    /***********************************
+     * arrayOfMasters: MasterView OutlineView content
+     */
+    NSArray * arrayOfMediaDiscoverer = [NSArray arrayWithObjects:
+        [[[VLCMediaDiscoverer alloc] initWithName:@"shoutcasttv"] autorelease],
+        [[[VLCMediaDiscoverer alloc] initWithName:@"shoutcast"] autorelease],
+        [[[VLCMediaDiscoverer alloc] initWithName:@"sap"] autorelease],
+        [[[VLCMediaDiscoverer alloc] initWithName:@"freebox"] autorelease], nil];
+
+    arrayOfPlaylists = [NSMutableArray arrayWithObjects:[VLCMedia mediaAsNodeWithName:@"Default Playlist"], nil];
+
+    NSDictionary * playlists = [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                                [@"Playlists" uppercaseString], @"descriptionInMasterView",
+                                [@"Playlists" uppercaseString], @"descriptionInVideoView",
+                                [NSNumber numberWithBool:NO], @"selectableInMasterView",
+                                arrayOfPlaylists, @"childrenInMasterView",
+                                arrayOfPlaylists, @"childrenInVideoView",
+                                nil];
+
+    self.arrayOfMasters = [NSArray arrayWithObjects:
+                    [NSMutableDictionary dictionaryWithObjectsAndKeys:
+                        [@"Service Discovery" uppercaseString], @"descriptionInMasterView",
+                        [NSNumber numberWithBool:NO], @"selectableInMasterView",
+                        arrayOfMediaDiscoverer, @"childrenInMasterView",
+                        nil],
+                    playlists,
+                    nil];
+    
+
+    /***********************************
+     * videoView setup
+     */
+    self.arrayOfVideoViewMasters = [NSArray arrayWithObjects:
+                    [NSDictionary dictionaryWithObjectsAndKeys:
+                        @"Service Discovery", @"descriptionInVideoView",
+                        arrayOfMediaDiscoverer, @"childrenInVideoView",
+                        nil],
+                    playlists,
+                    nil];
+
+    /* Execution will continue in applicationDidFinishLaunching */
+    [NSApp setDelegate:self];
+}
+
+- (void)applicationDidFinishLaunching:(NSNotification *)notification
+{
+    [self newMainWindow: self];
+}
+
+- (void)newMainWindow:(id)sender
+{
+    if (![NSBundle loadNibNamed:@"MainWindow" owner:self])
+    {
+        NSLog(@"Warning! Could not load MainWindow file.\n");
+    }
+    /* We are done. Should be on screen if Visible at launch time is checked */
+}
+
+- (void)addPlaylist:(id)sender
+{
+    [[arrayOfMasters mutableArrayValueForKey:@"[0].childrenInMasterView"] addObject:[VLCMedia mediaAsNodeWithName:@"Untitled Playlist"]];
+}
+
+@end
+
+@implementation VLCController (ExceptionHandlerDelegating)
+@end

extras/MacOSX/VLC_app/Sources/VLCExceptionHandler.h

+/*****************************************************************************
+ * VLCExceptionHandler.h: VLCExceptionHandler implementation
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id: VLCController.h 21565 2007-08-29 21:10:20Z pdherbemont $
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <Cocoa/Cocoa.h>
+
+
+@interface VLCExceptionHandler : NSObject {
+
+}
+- (void)printStackTrace:(NSException *)e;
+@end

extras/MacOSX/VLC_app/Sources/VLCExceptionHandler.m

+/*****************************************************************************
+ * VLCExceptionHandler.m: VLCExceptionHandler implementation
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id: VLCController.h 21565 2007-08-29 21:10:20Z pdherbemont $
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import "VLCExceptionHandler.h"
+#import <ExceptionHandling/ExceptionHandling.h>
+
+
+@implementation VLCExceptionHandler
++ (void)initialize
+{
+    [[NSExceptionHandler defaultExceptionHandler] setDelegate:[[VLCExceptionHandler alloc] init]];
+ 
+    [[NSExceptionHandler defaultExceptionHandler] setExceptionHandlingMask:
+                0xffff /* Catch all */ ];
+
+    [[NSExceptionHandler defaultExceptionHandler] setExceptionHangingMask:
+                NSHangOnUncaughtExceptionMask|
+                NSHangOnUncaughtSystemExceptionMask|
+                NSHangOnUncaughtRuntimeErrorMask|
+                NSHangOnTopLevelExceptionMask|
+                NSHangOnOtherExceptionMask];
+}
+
+/* From Apple's guide on exception */
+- (BOOL)exceptionHandler:(NSExceptionHandler *)sender shouldLogException:(NSException *)exception mask:(unsigned int)aMask
+{
+    [self printStackTrace:exception];
+    return YES;
+}
+- (void)printStackTrace:(NSException *)e
+{
+    NSString *stack = [[e userInfo] objectForKey:NSStackTraceKey];
+    if (!stack)
+    {
+        NSLog(@"No stack trace available.");
+        return;
+    }
+
+    NSTask *ls = [[NSTask alloc] init];
+    NSString *pid = [[NSNumber numberWithInt:[[NSProcessInfo processInfo] processIdentifier]] stringValue];
+    NSMutableArray *args = [NSMutableArray arrayWithCapacity:20];
+
+    [args addObject:@"-p"];
+    [args addObject:pid];
+    [args addObjectsFromArray:[stack componentsSeparatedByString:@"  "]];
+    /* Note: function addresses are separated by double spaces, not a single space. */
+
+    [ls setLaunchPath:@"/usr/bin/atos"];
+    [ls setArguments:args];
+    [ls launch];
+    [ls release];
+}
+
+@end

extras/MacOSX/VLC_app/Sources/VLCMainWindow.h

+/*****************************************************************************
+ * VLCMainWindow.h: VLCMainWindow implementation
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id: VLCController.h 21565 2007-08-29 21:10:20Z pdherbemont $
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <Cocoa/Cocoa.h>
+#import "VLCController.h"
+#import "VLCMediaArrayController.h"
+
+@interface VLCMainWindow : NSWindow {
+    /* IB elements */
+    IBOutlet id detailItemFetchedStatus;
+    IBOutlet id detailItemsCount;
+    IBOutlet id detailSearchField;
+
+    IBOutlet NSOutlineView * categoryList;
+    IBOutlet NSTableView * detailList;
+
+    IBOutlet VLCBrowsableVideoView * videoView;
+    IBOutlet id fillScreenButton;
+    IBOutlet id fullScreenButton;
+    IBOutlet NSSlider * mediaReadingProgressSlider;
+    IBOutlet NSTextField * mediaReadingProgressText;
+    IBOutlet NSTextField * mediaDescriptionText;
+
+    IBOutlet id navigatorViewToggleButton;
+    IBOutlet NSSplitView * mainSplitView;
+    IBOutlet NSView * navigatorView;
+    IBOutlet NSView * videoPlayerAndControlView;
+    IBOutlet NSView * controlView;
+
+    IBOutlet NSButton * addPlaylistButton;
+    IBOutlet NSButton * removePlaylistButton;
+
+    VLCMediaPlayer * mediaPlayer;
+    
+    IBOutlet VLCController * controller; /* This is a VLCController binded to the File's Owner of the nib */
+
+    /* Controllers */
+    NSTreeController * treeController;
+    VLCMediaArrayController * mediaArrayController;
+    
+    /* Window state */
+    CGFloat navigatorHeight;
+}
+
+@property BOOL navigatorViewVisible;
+@end

extras/MacOSX/VLC_app/Sources/VLCMediaArrayController.h

+/*****************************************************************************
+ * VLCMediaArrayController.h: NSArrayController subclass specific to media
+ * list.
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import <Cocoa/Cocoa.h>
+#import <VLC/VLC.h>
+
+@interface VLCMediaArrayController : NSArrayController
+{
+    VLCMediaList * contentMediaList;
+}
+
+/* Usually set through a bindings. Contents is provided by the 
+ * super class contentArray bindings. This is useful to
+ * get the media list ability to be read-write. */
+@property (retain) VLCMediaList * contentMediaList;
+
+@end

extras/MacOSX/VLC_app/Sources/VLCMediaArrayController.m

+/*****************************************************************************
+ * VLCMediaArrayController.m: NSArrayController subclass specific to media
+ * list.
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#import "VLCMediaArrayController.h"
+
+
+@implementation VLCMediaArrayController
+@synthesize contentMediaList;
+@end
+
+/******************************************************************************
+ * VLCMediaArrayController (NSTableViewDataSource)
+ */
+@implementation VLCMediaArrayController (NSTableViewDataSource)
+
+/* Dummy implementation, because that seems to be needed */
+- (int)numberOfRowsInTableView:(NSTableView *)tableView
+{
+    return 0;
+}
+
+- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn
+			row:(int)row
+{
+    return nil;
+}
+
+/* Implement drag and drop */
+- (NSDragOperation)tableView:(NSTableView*)tv validateDrop:(id <NSDraggingInfo>)info 
+				 proposedRow:(int)row proposedDropOperation:(NSTableViewDropOperation)op
+{    
+    return [contentMediaList isReadOnly] ? NSDragOperationNone : NSDragOperationGeneric;
+}
+
+- (BOOL)tableView:(NSTableView *)aTableView acceptDrop:(id <NSDraggingInfo>)info
+			  row:(int)row dropOperation:(NSTableViewDropOperation)operation
+{
+    int i;
+    row = 0;
+    NSArray *droppedItems = [[info draggingPasteboard] propertyListForType:NSFilenamesPboardType];
+    
+    for (i = 0; i < [droppedItems count]; i++)
+    {
+        NSString * filename = [droppedItems objectAtIndex:i];
+		VLCMedia *media = [VLCMedia mediaWithPath:filename];
+        [contentMediaList lock];
+		[contentMediaList insertMedia:media atIndex:[contentMediaList count] > 0 ? [contentMediaList count]-1 : 0];
+        [contentMediaList unlock];
+    }
+    return YES;
+}
+@end

extras/MacOSX/VLC_app/Sources/VLCValueTransformer.h

+/*****************************************************************************
+ * VLCValueTransformer.m: NSValueTransformer subclasses
+ *****************************************************************************
+ * Copyright (C) 2007 Pierre d'Herbemont
+ * Copyright (C) 2007 the VideoLAN team
+ * $Id$
+ *
+ * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+ 
+#import <Cocoa/Cocoa.h>
+
+@interface VLCFloat10000FoldTransformer : NSValueTransformer {
+}
+@end
+
+@interface VLCNonNilAsBoolTransformer : NSValueTransformer {
+}
+@end
+

extras/MacOSX/VLC_app/Sources/VLCValueTransformer.m

+//
+//  VLCValueTransformer.m
+//  VLC
+//
+//  Created by Pierre d'Herbemont on 12/29/07.
+//  Copyright 2007 __MyCompanyName__. All rights reserved.
+//
+
+#import "VLCValueTransformer.h"
+
+
+@implementation VLCFloat10000FoldTransformer
+
++ (Class)transformedValueClass
+{
+    return [NSNumber class];
+}
+
++ (BOOL)allowsReverseTransformation
+{
+    return YES;
+}
+
+- (id)transformedValue:(id)value
+{
+    if( !value ) return nil;
+ 
+    if(![value respondsToSelector: @selector(floatValue)])
+    {
+        [NSException raise: NSInternalInconsistencyException
+                    format: @"Value (%@) does not respond to -floatValue.",
+        [value class]];
+        return nil;
+    }
+ 
+    return [NSNumber numberWithFloat: [value floatValue]*10000.];
+}
+
+- (id)reverseTransformedValue:(id)value
+{
+    if( !value ) return nil;
+ 
+    if(![value respondsToSelector: @selector(floatValue)])
+    {
+        [NSException raise: NSInternalInconsistencyException
+                    format: @"Value (%@) does not respond to -floatValue.",
+        [value class]];
+        return nil;
+    }
+ 
+    return [NSNumber numberWithFloat: [value floatValue]/10000.];
+}
+@end
+
+@implementation VLCNonNilAsBoolTransformer
+
++ (Class)transformedValueClass
+{
+    return [NSObject class];
+}
+
++ (BOOL)allowsReverseTransformation
+{
+    return NO;
+}
+
+- (NSNumber *)transformedValue:(id)value
+{
+    return [NSNumber numberWithBool: !!value];
+}
+
+@end
+