YAPC::Brasil 2011 - HTML5, e eu com isso?

YAPC::Brasil - 2011

HTML5 ,

e eu com isso?

“Uma novidade só é conhecida, verdadeiramente,
Marcio Ferreira quando as pessoas certas ouvem falar dela”
@_marcioferreira – Renato Alexandre dos Santos Freitas

Agenda
● it's my life
● HTML4, camada
● insights HTML5
● semântica
● multímidia
● offline – cache, persistência chave/valor
● API js – websockets, web workers, geo, history

my life → 4, camada → insights → semântica → multímidia → offline → API js


+


● HTML Document Representation - Character
sets, character encodings, and entities ● Alignment, font styles, and horizontal rules

Basic HTML data types - Character data, colors, ● Frames - Multi-view presentation of documents
●

lengths, URIs, content types, etc. ● Forms - User-input Forms: Text Fields, Buttons,
Menus, and more
● The global structure of an HTML document - The
HEAD and BODY of a document ● Scripts - Animated Documents and Smart Forms
● Language information and text direction - ● SGML reference information for HTML - Formal
International considerations for text definition of HTML and validation
Document Type Definition
● Text - Paragraphs, Lines, and Phrases ●

● Transitional Document Type Definition
● Lists - Unordered, Ordered, and Definition Lists
● Frameset Document Type Definition
● Tables
● Character entity references in HTML 4
● Links - Hypertext and Media-Independent Links
● Style Sheets - Adding style to HTML documents
● Objects, Images, and Applets


text, multimedia, and hyperlink
goal of making the Web truly World Wide


HTML4
HTML – conteúdo
CSS 1, 2.1 – formatação
Javascript – eventos usuário

my life →4, camada → insights → semântica → multímidia → offline → API js

HTML5
new features are introduced to help Web application
authors, new elements are introduced based on
research into prevailing authoring practices, and
special attention has been given to defining clear
conformance criteria for user agents in an effort to
improve interoperability.

my life →4, camada →insights→ semântica → multímidia → offline → API js

<!DOCTYPE html>

● header
● nav
● section
● article
● aside
● footer
● figcaption
● figure
● hgroup
● mark


<input>

● attributes
● autocomplete

● action

● pattern - regex

● multiple - list

● formnovalidate

● min/max/step

● type
● email

● url

● date/datetime/datetime-local/month/week/time

● range/number


crawler – hoje (baseado em xpath - id, class, position, etc -, se o mesmo mudar...)
$html->findnodes( '//div/p/p[1] | //div/p/font[1] | //div/p/...' ); #sintática

crawler – amanhã (baseado na semantica das tags - não mais id, class, position)
$html->section->article->header; #semântica
$html->section->article->figcaption; #semântica


<video>, <audio>

● autoplay
● controls
● loop
● muted
● preload
● src


cache
<html manifest="myapp.manifest"> onde armazenar se offline
CACHE MANIFEST
CACHE: arquivos que desejo obter cache se offline
index.html

FALLBACK:
page.html fallback-page.html requisição para page.html usa cache de
fallback-page.html

NETWORK: quem não deve se obter cache
*


cache
ApplicationCache
<body onload="updateIndiktor()" ononline="updateIndiktor()" onoffline="updateIndiktor()">

navigator.onLine ? 'online' : 'offline';


persistência chave/valor
● document.cookie morreu
● Web storage
● SessionStorage janela / LocalStorage persiste
– sessionStorage.setItem("evento", "YAPC::Brasil")
– sessionStorage.getItem("evento")
– RemoveItem('evento')
– clear()
– return string!
var edition = { number: 2011 };
sessionStorage.setItem("edition", JSON.stringify(edition) );
var _edition = JSON.parse(sessionStorage.getItem("edition"));


document.cookie

Web storage
SessionStorage janela / LocalStorage persiste
– sessionStorage.setItem("evento", "YAPC::Brasil")
– sessionStorage.getItem("evento")
– RemoveItem('evento')
– clear()
– return string!
var edition = { number: 2011 };
sessionStorage.setItem("edition", JSON.stringify(edition) );
var _edition = JSON.parse(sessionStorage.getItem("edition"));


websocket
Var socket = New WebSocket(host)
Socket.onopen, onmessage, onclose
socket.readyState
Socket.Send
Socket.close


web worker
var worker = new Worker("myscript.js");
worker.onmessage
worker.onerror
worker.postMessage
worker.close


geolocation
navigator.geolocation.getCurrentPosition(showpos)
navigator.geolocation.watchPosition(showpos,erropos)
position.coords.latitude,
position.coords.longitude


history
go, back e forward
history.pushState(data,title[,url])
history.replaceState(data,title[,url])
window.onpopstate

?!@#$%&*

YAPC::Brasil
HTML5,
E eu com isso?

@_marcioferreira

YAPC::Brasil 2011 - HTML5, e eu com isso?

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