SDRuby: When Objective-C and Ruby meet

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MacRuby Ruby + ObjC Friday, February 6, 2009

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COCOA Apple's Objective-C based programming environment for Mac OS X Friday, February 6, 2009

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COCOA • frameworks • APIs • accompanying runtimes Goal: native Mac applications Friday, February 6, 2009

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OBJECTIVE-C 2.0 • reﬂective • object-oriented • garbage collection • 32 and 64-bit support Friday, February 6, 2009

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obj.method parameter RUBY Friday, February 6, 2009

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[obj method:parameter]; OBJECTIVE-C 2.0 Friday, February 6, 2009

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friends = [] RUBY Friday, February 6, 2009

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NSMutableArray *friends = [[NSMutableArray alloc] init]; OBJECTIVE-C 2.0 Friday, February 6, 2009

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COCOA Goal => native Mac applications => ObjC Friday, February 6, 2009

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:emo: Friday, February 6, 2009

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bridge between the Objective-C runtime and MRI RUBYCOCOA Friday, February 6, 2009

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No more ObjC code to write :) RUBYCOCOA Friday, February 6, 2009

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Write cocoa apps in RUBY :) RUBYCOCOA Friday, February 6, 2009

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potentially prohibitive cost :( RUBYCOCOA Friday, February 6, 2009

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conversion cost :( RUBYCOCOA Friday, February 6, 2009

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message forwarding cost :( RUBYCOCOA Friday, February 6, 2009

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MacRuby Friday, February 6, 2009

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APPLE'S OPEN SOURCE PROJECT MacRuby Friday, February 6, 2009

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NOT A BRIDGE MacRuby Friday, February 6, 2009

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BUILT ON TOP OF THE OBJECTIVE-C RUNTIME MacRuby Friday, February 6, 2009

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all classes => Objective-C all methods => Objective-C all objects => Objective-C MacRuby Friday, February 6, 2009

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CoreFoundation MacRuby Friday, February 6, 2009

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native CoreFoundation data types MacRuby Friday, February 6, 2009

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native threads MacRuby Friday, February 6, 2009

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Objective-C Garbage Collector MacRuby Friday, February 6, 2009

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CODE EXAMPLE Friday, February 6, 2009

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$ macirb >> friends = [] => [] >> friends.class => NSMutableArray >> friends << "Juan" => ["Juan"] >> friends << "Denis" => ["Juan", "Denis"] Friday, February 6, 2009

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>> friends << {first_name: "Laurent", last_name: "Sansonetti"} => ["Juan", "Denis", {:first_name=>"Laurent", :last_name=>"Sansonetti"}] >> friends.length => 3 Friday, February 6, 2009

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>> name = "Matt Aimonetti" => "Matt Aimonetti" >> name.uppercaseString => "MATT AIMONETTI" >> name.upcase => "MATT AIMONETTI" Friday, February 6, 2009

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X-CODE ENVIRONMENT Friday, February 6, 2009

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FREE http://developer.apple.com/TOOLS/xcode/ Friday, February 6, 2009

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WELL DOCUMENTED http://developer.apple.com/index.html Friday, February 6, 2009

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WELL DONE Friday, February 6, 2009

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GREAT TOOLS Friday, February 6, 2009

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NEW PROJECT Friday, February 6, 2009

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MacRuby.framework Friday, February 6, 2009

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rb_main.rb Friday, February 6, 2009

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# Loading the Cocoa framework. If you need to load more frameworks, you can # do that here too. framework 'Cocoa' # Loading all the Ruby project files. dir_path = NSBundle.mainBundle.resourcePath.fileSystemRepresentation Dir.entries(dir_path).each do |path| if path != File.basename(__FILE__) and path[-3..-1] == '.rb' require(path) end end # Starting the Cocoa main loop. NSApplicationMain(0, nil) Friday, February 6, 2009

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MainMenu.nib Friday, February 6, 2009

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Friday, February 6, 2009

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V of MVC Friday, February 6, 2009

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PREPARE BINDINGS Friday, February 6, 2009

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C of MVC Friday, February 6, 2009

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class Controller attr_writer :friendsTableView def awakeFromNib end def numberOfRowsInTableView(view) end def tableView(view, objectValueForTableColumn:column, row:index) end def tableView(view, setObjectValue:object, forTableColumn:column, row:index) end def addFriend(sender) end end Friday, February 6, 2009

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class Controller attr_writer :friendsTableView end ivar = outlet Friday, February 6, 2009

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class Controller def awakeFromNib end end called when instantiated by nib Friday, February 6, 2009

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class Controller def awakeFromNib @friends = [] @friendsTableView.dataSource = self end end set the NSTableView data source Friday, February 6, 2009

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class Controller def addFriend(sender) end end button action Friday, February 6, 2009

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bind the UI with the Controller Friday, February 6, 2009

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NSTableDataSource informal protocol Friday, February 6, 2009

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def numberOfRowsInTableView(view) end NSTableDataSource protocol Friday, February 6, 2009

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def tableView( view, objectValueForTableColumn:column, row:index ) end NSTableView selector Friday, February 6, 2009

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def tableView(view, setObjectValue:object, forTableColumn:column, row:index) end NSTableView selector Friday, February 6, 2009

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Compile Friday, February 6, 2009

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HOTCOCOA Friday, February 6, 2009

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PURE RUBY SEXINESS Friday, February 6, 2009

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NO X-CODE Friday, February 6, 2009

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RUBY DSL FOR COCOA Friday, February 6, 2009

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$ hotcocoa sdruby Friday, February 6, 2009

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$ hotcocoa sdruby PROJECT SETTINGS Friday, February 6, 2009

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$ hotcocoa sdruby CORE OF THE APP CODE Friday, February 6, 2009

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$ hotcocoa sdruby MENU BAR Friday, February 6, 2009

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$ hotcocoa sdruby RAKE TASKS Friday, February 6, 2009

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$ hotcocoa sdruby APP RESOURCES Friday, February 6, 2009

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RUBY HELPERS def start application :name => "Sdruby" do |app| app.delegate = self window(:frame => [100, 100, 500, 500], :title => "SDRuby") do |win| win << label(:text => "Hello from HotCocoa", :layout => {:start => false}) win.will_close { exit } end end end Friday, February 6, 2009

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NSApplication application :name => "Sdruby" do |app| end Friday, February 6, 2009

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set the delegation application :name => "Sdruby" do |app| app.delegate = self end Friday, February 6, 2009

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set the delegation # file/open def on_open(menu) end # file/new def on_new(menu) end # help menu item def on_help(menu) end # window/zoom def on_zoom(menu) end # window/bring_all_to_front def on_bring_all_to_front(menu) end Friday, February 6, 2009

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NSWindow helper window(:frame => [100, 100, 500, 500], :title => "SDRuby") do |win| end Friday, February 6, 2009

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NSTextField helper label(:text => "Hello from HotCocoa", :layout => {:start => false}) Friday, February 6, 2009

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contentView.addSubview helper win << label(:text => "Hello from HotCocoa") Friday, February 6, 2009

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window callback win.will_close { exit } Friday, February 6, 2009

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$ macrake Friday, February 6, 2009

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USE ANY COCOA FRAMEWORK Friday, February 6, 2009

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WEBKIT Friday, February 6, 2009

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framework 'webkit' Friday, February 6, 2009

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win << web_view( :layout => {:expand => [:width, :height]}, :url => "http://sdruby.com") Friday, February 6, 2009

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Friday, February 6, 2009

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$ macrake deploy Rafﬂe.app Friday, February 6, 2009

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AND MUCH MORE Friday, February 6, 2009

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DEMO APPS Friday, February 6, 2009

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SD RUBY RAFFLE APP Friday, February 6, 2009

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¿What to do with MacRuby? Friday, February 6, 2009

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WEB APP CLIENT Friday, February 6, 2009

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REUSE RUBY CODE Friday, February 6, 2009

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RETHINK DESKTOP APPS Friday, February 6, 2009

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WEBKIT INTEGRATION Friday, February 6, 2009

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¿MacRuby’s future? Friday, February 6, 2009

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MUCH BETTER PERFORMANCE Friday, February 6, 2009

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NEW VM Friday, February 6, 2009

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SOURCE OBFUSCATION Friday, February 6, 2009

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COMPILED CODE Friday, February 6, 2009

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OPTIMIZATIONS BASED ON THE UNDERLYING OS Friday, February 6, 2009

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SOLID & SUPPORTED WAY TO WRITE COCOA APPS Friday, February 6, 2009

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¿MAINSTREAM WAY TO WRITE COCOA APPS? Friday, February 6, 2009

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¿IPHONE OUTPUT? Friday, February 6, 2009

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resources: http://www.macruby.org http://tinyurl.com/macruby-getting-started http://macruby.org/trac/wiki/MacRubyTutorial http://github.com/masterkain/macruby http://tinyurl.com/macruby-hillegass Friday, February 6, 2009

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Props to Rich Kilmer (hotcocoa) & Laurent Sansonetti (MacRuby) Friday, February 6, 2009