Macruby& Hotcocoa presentation by Rich Kilmer

MacRuby + HotCocoa by rICH kILMER Golden Gate Ruby Conf

A History of Apple and Ruby MacRuby 2002 2003 2004 2005 2006 2007 2008 2009 OS X 10.5 OS X 10.x OS X 10.2 OS X 10.4 Ruby 1.8.6 Ruby 1.8.7 Ruby 1.6.7 Ruby 1.8.2 RubyGems RubyGems RubyCocoa RubyCocoa Rails Rails 2.2

Apple’s Goals: Make Mac OS X the best platform for Ruby developers

Apple’s Goals: t s e b e h class t Make Ruby a first Cocoa programming language on Mac OS X

Mac OS X Stack User Experience Application Frameworks Graphics and Media Darwin

Mac OS X Stack - Languages User Experience Objective-C Application Frameworks Graphics and Media Darwin C

Bridging Ruby & Objective-C RubyCocoa by by FUJIMOTO Hisakuni (2001) Bundled with Mac OS X 10.5 (stable)

RubyCocoa Hello World require 'osx/cocoa'; include OSX app = NSApplication.sharedApplication win = NSWindow.alloc.initWithContentRect_styleMask_backing_defer( [0, 0, 200, 60], NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask, NSBackingStoreBuffered, false) win.title = 'Hello World' button = NSButton.alloc.initWithFrame(NSZeroRect) win.contentView.addSubview(button) button.bezelStyle = NSRoundedBezelStyle button.title = 'Hello!' button.sizeToFit button.frameOrigin = NSMakePoint((win.contentView.frameSize.width / 2.0) - (button.frameSize.width / 2.0), (win.contentView.frameSize.height / 2.0) - (button.frameSize.height / 2.0)) button_controller = Object.new def button_controller.sayHello(sender) puts quot;Hello World!quot; end button.target = button_controller button.action = 'sayHello:' win.display win.orderFrontRegardless app.run

Problems with RubyCocoa: It’s a bridge Messaging syntax is different Ruby uses green threads Two runtimes, two GCs

Enter MacRuby MacRuby 0.4 Objective-C 2.0 Ruby 1.9 Core Garbage Standard Runtime YARV Parser Foundation Collector Library Garbage Built-ins Collector Every Ruby class is an Objective-C class Every Ruby object is an Objective-C object Every Ruby method is an Objective-C method

MacRuby Hello World framework ‘Cocoa’ app = NSApplication.sharedApplication win = NSWindow.alloc.initWithContentRect([0, 0, 200, 60], styleMask:NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask, backing:NSBackingStoreBuffered, defer:false) win.title = 'Hello World' button = NSButton.alloc.initWithFrame(NSZeroRect) win.contentView.addSubview(button) button.bezelStyle = NSRoundedBezelStyle button.title = 'Hello!' button.sizeToFit button.frameOrigin = NSMakePoint((win.contentView.frameSize.width / 2.0) - (button.frameSize.width / 2.0), (win.contentView.frameSize.height / 2.0) - (button.frameSize.height / 2.0)) button_controller = Object.new def button_controller.sayHello(sender) puts quot;Hello World!quot; end button.target = button_controller button.action = 'sayHello:' win.display win.orderFrontRegardless app.run

Enter HotCocoa HotCocoa is an idiomatic Ruby API that simplifies the configuration and wiring together of ObjC/Cocoa classes

MacRuby Hello World framework ‘Cocoa’ app = NSApplication.sharedApplication win = NSWindow.alloc.initWithContentRect([0, 0, 200, 60], styleMask:NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask, backing:NSBackingStoreBuffered, defer:false) win.title = 'Hello World' button = NSButton.alloc.initWithFrame(NSZeroRect) win.contentView.addSubview(button) button.bezelStyle = NSRoundedBezelStyle button.title = 'Hello!' button.sizeToFit button.frameOrigin = NSMakePoint((win.contentView.frameSize.width / 2.0) - (button.frameSize.width / 2.0), (win.contentView.frameSize.height / 2.0) - (button.frameSize.height / 2.0)) button_controller = Object.new def button_controller.sayHello(sender) puts quot;Hello World!quot; end button.target = button_controller button.action = 'sayHello:' win.display win.orderFrontRegardless app.run

HotCocoa Hello World require ‘hotcocoa’; include HotCocoa app = NSApplication.sharedApplication win = NSWindow.alloc.initWithContentRect([0, 0, 200, 60], styleMask:NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask, backing:NSBackingStoreBuffered, defer:false) win.title = 'Hello World' button = NSButton.alloc.initWithFrame(NSZeroRect) win.contentView.addSubview(button) button.bezelStyle = NSRoundedBezelStyle button.title = 'Hello!' button.sizeToFit button.frameOrigin = NSMakePoint((win.contentView.frameSize.width / 2.0) - (button.frameSize.width / 2.0), (win.contentView.frameSize.height / 2.0) - (button.frameSize.height / 2.0)) button_controller = Object.new def button_controller.sayHello(sender) puts quot;Hello World!quot; end button.target = button_controller button.action = 'sayHello:' win.display win.orderFrontRegardless app.run

HotCocoa Hello World require ‘hotcocoa’; include HotCocoa app = NSApplication.sharedApplication win = window :title => ‘hello world’, :frame => [0, 0, 200, 60] button = NSButton.alloc.initWithFrame(NSZeroRect) win.contentView.addSubview(button) button.bezelStyle = NSRoundedBezelStyle button.title = 'Hello!' button.sizeToFit button.frameOrigin = NSMakePoint((win.contentView.frameSize.width / 2.0) - (button.frameSize.width / 2.0), (win.contentView.frameSize.height / 2.0) - (button.frameSize.height / 2.0)) button_controller = Object.new def button_controller.sayHello(sender) puts quot;Hello World!quot; end button.target = button_controller button.action = 'sayHello:' win.display win.orderFrontRegardless app.run

HotCocoa Hello World require ‘hotcocoa’; include HotCocoa app = NSApplication.sharedApplication win = window :title => ‘hello world’, :frame => [0, 0, 200, 60] b = button :title => ‘Hello!’, :layout => {:align => :center} win << b button_controller = Object.new def button_controller.sayHello(sender) puts quot;Hello World!quot; end button.target = button_controller button.action = 'sayHello:' win.display win.orderFrontRegardless app.run

HotCocoa Hello World require ‘hotcocoa’; include HotCocoa app = NSApplication.sharedApplication win = window :title => ‘hello world’, :frame => [0, 0, 200, 60] b = button :title => ‘Hello!’, :layout => {:align => :center} win << b b.on_action { puts “Hello World!” } win.display win.orderFrontRegardless app.run

HotCocoa Hello World require ‘hotcocoa’; include HotCocoa application do win = window :title => ‘hello world’, :frame => [0, 0, 200, 60] b = button :title => ‘Hello!’, :layout => {:align => :center} win << b b.on_action { puts “Hello World!” } end

hotcocoa Command HotCocoa Library

hotcocoa <app> Rakefile config build.yml lib menu.rb lib application.rb resources HotCocoa.icns

MacRuby Experimental MacRuby 0.5 LLVM Objective-C 2.0 Ruby 1.9 Garbage Standard JIT Runtime YARV Parser Collector Library Disk/Socket Core Garbage AOT Built-ins IO Foundation Collector Numerous optimizations (speed!) No libffi for external calls, new bridgesupport Passing many RubySpecs already! Will implement fully concurrent threading

www.macruby.org @macruby by rICH kILMER Golden Gate Ruby Conf

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