HTML5
unplugged

marc.baechinger@zuehlke.com
Dienstag, 11. Februar 14
The tale of the
evernet
Dienstag, 11. Februar 14
The World Wide Web.
An evernet?

Dienstag, 11. Februar 14
Dienstag, 11. Februar 14
In der freien Natur weitab von
high speed Internet

Dienstag, 11. Februar 14
in Tiefgaragen und
anderen unterirdischen Räumen
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Auf Reisen im Zug...

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Text

...spätestens in Tunnels

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beim Sparen von Roamingkosten

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Dienstag, 11. Februar 14
Offline
Technology
Dienstag, 11. Februar 14
das Web wird sesshaft

Dienstag, 11. Februar 14
resources

app state

data sources

html, css, js,
json, xml,
png, mp3,
mp4

appcache

Dienstag, 11. Februar 14

localStorage

File API

Database API*
appcache

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localStorage

File API

Database API*
Resource caching
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<html manifest="sbb.appcache">

CACHE MANIFEST
index.html
styles.css
app.js
NETWORK:
/service/fahrplan.json

Dienstag, 11. Februar 14
Server

Browser
GET /index.html HTTP/1.1
HTTP/1.1 200 OK
GET /*.* HTTP/1.1
HTTP/1.1 200 OK
GET /sbb.appcache HTTP/1.1
HTTP/1.1 200 OK

Dienstag, 11. Februar 14
Server

Browser
GET /index.html HTTP/1.1
HTTP/1.1 200 OK
GET /*.* HTTP/1.1
HTTP/1.1 200 OK
GET /sbb.appcache HTTP/1.1
HTTP/1.1 200 OK

GET /index.html HTTP/1.1
HTTP/1.1 200 OK

Dienstag, 11. Februar 14
Server

Browser
GET /index.html HTTP/1.1
HTTP/1.1 200 OK
GET /*.* HTTP/1.1
HTTP/1.1 200 OK
GET /sbb.appcache HTTP/1.1
HTTP/1.1 200 OK

GET /index.html HTTP/1.1
HTTP/1.1 200 OK
GET /styles.css HTTP/1.1
HTTP/1.1 200 OK

Dienstag, 11. Februar 14
Server

Browser
GET /index.html HTTP/1.1
HTTP/1.1 200 OK
GET /*.* HTTP/1.1
HTTP/1.1 200 OK
GET /sbb.appcache HTTP/1.1
HTTP/1.1 200 OK

GET /index.html HTTP/1.1
HTTP/1.1 200 OK
GET /styles.css HTTP/1.1
HTTP/1.1 200 OK
GET /app.js HTTP/1.1
HTTP/1.1 200 OK

Dienstag, 11. Februar 14
offline resource cache

64.88%

22 15 12 5.1 10
Mobile
Dienstag, 11. Februar 14

Desktop

WWW
live reload
demo reload
reload
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Application state
Dienstag, 11. Februar 14
localStorage
{
setLastCheckDate: function() {
localStorage.lastCacheCheck = new Date();
console.log(typeof localStorage.lastCacheCheck); // string
},
getLastCheckDate: function () {
if (localStorage.lastCacheCheck) {
return new Date(localStorage.lastCacheCheck);
} else {
return undefined;
}
}
}

Dienstag, 11. Februar 14
localStorage
var storage = {
store: function(name, obj) {
localStorage[name] = JSON.stringify(obj);
},
read: function (name) {
if (localStorage[name]) {
return JSON.parse(localStorage[name]);
} else {
return undefined;
}
}
};

Dienstag, 11. Februar 14
localStorage and sessionStorage

91.85%

22 15 12 5.1 8
Mobile
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Desktop

WWW
Data sources
Dienstag, 11. Februar 14
SQL select
var db = openDatabase("fahrplan", "1.0", "SBB",
50*1024*1024);
db.transaction(function(tx) {
tx.executeSql("SELECT * FROM favorite", [],
! ! ! function success (tx, rs) {
! ! ! ! callback({
! ! ! ! ! connections: rs.rows
! ! ! ! });
! ! ! },
! ! ! function error () {
! ! ! ! console.error(arguments);
! ! ! }
);
});
Dienstag, 11. Februar 14
SQL insert
transaction.executeSql(
! "INSERT INTO favorite(dep, arrival)" +
! "VALUES (?,?)",
! [
! connection.departure,
! connection.arrival
],
! successHandler,
! errorHandler
);
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45.44%

Web SQL API

22
Mobile
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-

12 5.1
Desktop

-

WWW
Indexed DB API

22 15
Mobile
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17.92%

Desktop

-

10
WWW
Indexed or SQL DB API

~60%

22 15 12 5.1 10
Mobile
Dienstag, 11. Februar 14

Desktop

WWW
Network monitoring
Dienstag, 11. Februar 14
network state
window.addEventListener("offline", function(e) {
$("#network-monitor").removeClass("online");
}, false);
window.addEventListener("online", function(e) {
$("#network-monitor").addClass("online");
}, false);
var search = function (callback) {
if (navigator.onLine) {
$.ajax({success: callback});
} else {
callback(localStorage.lastSearch);
}
}
Dienstag, 11. Februar 14
navigator.connection

navigator.connection.bandwidth
navigator.connection.metered

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navigator.connection.type

Connection.UNKNOWN
Connection.ETHERNET
Connection.WIFI
Connection.CELL_2G
Connection.CELL_3G
Connection.CELL_4G
Connection.NONE
Dienstag, 11. Februar 14
Server availability
// register global ajax handlers
$(document).ajaxSuccess(setOnline);
$(document).ajaxError(setOffline);
// check for backend server availabiliy
var checkServerAvailability = function (callback) {
! $.ajax({
!
url: "data/probe.json",
! ! dataType: "json",
! ! timeout: CONNECTION_TIMEOUT,
! ! complete: callback || function () {}
! });
};
checkServerAvailability();

Dienstag, 11. Februar 14
Platform
integration
Dienstag, 11. Februar 14
WWW

Cordova/
Worklight

Windows RT

Safari iOS

Firefox Aurora

Firefox Android

CEF/App.js/
Brakets shell

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Mobile

OSX Dashboard

standalone

Desktop

Firefox OS
Desktop

Mobile
standalone

standalone

OSX Dashboard

Cordova/
Worklight

Windows RT

Safari iOS

Firefox Aurora

Firefox Android

standalone

WWW

CEF/App.js/
Brakets shell

Dienstag, 11. Februar 14

standalone

Firefox OS
Desktop

Mobile
standalone

Cordova/
Worklight

standalone

OSX Dashboard
Appstore

Windows RT

Safari iOS

Appstore

standalone

WWW

CEF/App.js/
Brakets shell

Appstore

Appstore

Firefox Android

Firefox Aurora
standalone

Dienstag, 11. Februar 14

Appstore

Appstore

Firefox OS

Appstore
Modern Browsers

+
+
+
+
+
Dienstag, 11. Februar 14

Desktop/Tablet/Phone
Simple Deployment
Bookmark, Favorites, Pinned Site/Tabs
Browser Home als Einstiegspunkt
Fullscreen Modus verfügbar
keine Desktop-Integration
Abhängigkeit vom Browser als Platform
Add to Home Screen

Dienstag, 11. Februar 14
Add to Home Screen

Dienstag, 11. Februar 14
Add to Home Screen

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live reload
demo reload
reload
Dienstag, 11. Februar 14
iOS und Android Apps

Dienstag, 11. Februar 14
Chromium
Embedding Framework

+
+
+
Dienstag, 11. Februar 14

Desktop-Integration
Standalone für Win/Mac/Lin
einheitliche HTML/JS-Engine
Installer notwendig
Build- und Konfigurationsskills
Firefox OS/
Marketplace

Dienstag, 11. Februar 14
Dienstag, 11. Februar 14
@marcbaechinger

ks for
tha n
ening
list

Q&A
Browsercoveragedaten: caniuse.com
Dienstag, 11. Februar 14
Backup slides

Dienstag, 11. Februar 14
Wsasx

0.0002%

22 15 12 5.1 8
Mobile
Dienstag, 11. Februar 14

Desktop

WWW
feature testing
Dienstag, 11. Februar 14
Sencha Desktop
Packager

Dienstag, 11. Februar 14
server log
debug:
debug:
debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving
serving
serving

file
file
file
file
file
file
file
file

at:
at:
at:
at:
at:
at:
at:
at:

src/index.html
src/sbb.appcache
src/css/bootstrap.css
src/css/style.css
src/css/bootstrap-responsive.css
src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg

debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving

file
file
file
file
file
file

at:
at:
at:
at:
at:
at:

src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg
src/css/style.css
src/css/bootstrap.css
src/css/bootstrap-responsive.css

debug:
debug:
debug:

serving file at:
serving file at:
serving file at:

Dienstag, 11. Februar 14

src/sbb.appcache
src/sbb.appcache
src/sbb.appcache
server log
debug:
debug:
debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving
serving
serving

file
file
file
file
file
file
file
file

at:
at:
at:
at:
at:
at:
at:
at:

src/index.html
src/sbb.appcache
src/css/bootstrap.css
src/css/style.css
src/css/bootstrap-responsive.css
src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg

debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving

file
file
file
file
file
file

at:
at:
at:
at:
at:
at:

src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg
src/css/style.css
src/css/bootstrap.css
src/css/bootstrap-responsive.css

debug:
debug:
debug:

serving file at:
serving file at:
serving file at:

Dienstag, 11. Februar 14

src/sbb.appcache
src/sbb.appcache
src/sbb.appcache
server log
debug:
debug:
debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving
serving
serving

file
file
file
file
file
file
file
file

at:
at:
at:
at:
at:
at:
at:
at:

src/index.html
src/sbb.appcache
src/css/bootstrap.css
src/css/style.css
src/css/bootstrap-responsive.css
src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg

debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving

file
file
file
file
file
file

at:
at:
at:
at:
at:
at:

src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg
src/css/style.css
src/css/bootstrap.css
src/css/bootstrap-responsive.css

debug:
debug:
debug:

serving file at:
serving file at:
serving file at:

Dienstag, 11. Februar 14

src/sbb.appcache
src/sbb.appcache
src/sbb.appcache

reload
server log
debug:
debug:
debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving
serving
serving

file
file
file
file
file
file
file
file

at:
at:
at:
at:
at:
at:
at:
at:

src/index.html
src/sbb.appcache
src/css/bootstrap.css
src/css/style.css
src/css/bootstrap-responsive.css
src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg

debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving

file
file
file
file
file
file

at:
at:
at:
at:
at:
at:

src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg
src/css/style.css
src/css/bootstrap.css
src/css/bootstrap-responsive.css

debug:
debug:
debug:

serving file at:
serving file at:
serving file at:

Dienstag, 11. Februar 14

src/sbb.appcache
src/sbb.appcache
src/sbb.appcache

reload
server log
debug:
debug:
debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving
serving
serving

file
file
file
file
file
file
file
file

at:
at:
at:
at:
at:
at:
at:
at:

src/index.html
src/sbb.appcache
src/css/bootstrap.css
src/css/style.css
src/css/bootstrap-responsive.css
src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg

debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving

file
file
file
file
file
file

at:
at:
at:
at:
at:
at:

src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg
src/css/style.css
src/css/bootstrap.css
src/css/bootstrap-responsive.css

debug:
debug:
debug:

serving file at:
serving file at:
serving file at:

Dienstag, 11. Februar 14

src/sbb.appcache
src/sbb.appcache
src/sbb.appcache

reload
reload
server log
debug:
debug:
debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving
serving
serving

file
file
file
file
file
file
file
file

at:
at:
at:
at:
at:
at:
at:
at:

src/index.html
src/sbb.appcache
src/css/bootstrap.css
src/css/style.css
src/css/bootstrap-responsive.css
src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg

debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving

file
file
file
file
file
file

at:
at:
at:
at:
at:
at:

src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg
src/css/style.css
src/css/bootstrap.css
src/css/bootstrap-responsive.css

debug:
debug:
debug:

serving file at:
serving file at:
serving file at:

Dienstag, 11. Februar 14

src/sbb.appcache
src/sbb.appcache
src/sbb.appcache

reload
reload
server log
debug:
debug:
debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving
serving
serving

file
file
file
file
file
file
file
file

at:
at:
at:
at:
at:
at:
at:
at:

src/index.html
src/sbb.appcache
src/css/bootstrap.css
src/css/style.css
src/css/bootstrap-responsive.css
src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg

debug:
debug:
debug:
debug:
debug:
debug:

serving
serving
serving
serving
serving
serving

file
file
file
file
file
file

at:
at:
at:
at:
at:
at:

src/lib/jquery-1.8.2.js
src/javascript/main.js
src/img/train.jpg
src/css/style.css
src/css/bootstrap.css
src/css/bootstrap-responsive.css

debug:
debug:
debug:

serving file at:
serving file at:
serving file at:

Dienstag, 11. Februar 14

src/sbb.appcache
src/sbb.appcache
src/sbb.appcache

reload
reload
reload
The HTML(5)
(r)evolution
Dienstag, 11. Februar 14
HTML5 is a conspiracy theory!
• Standardisierung existierender, fortgeschrittener
Browserfeatures

• Öffentlichkeitswirksame Promotion der
Webtechnologie

• Google, Mozilla, Apple, Opera, Microsoft
• die Gunst der x-platform-Problematik nutzend
• von der Webpage zur Webapplication
• mobile is a game changer
Dienstag, 11. Februar 14
JavaScript APIs

JavaScript API werden Web Standards

Dienstag, 11. Februar 14
CSS3 - runde Ecken machen glücklich
•
•
•
•
•

box-sizing
border-radius
opacity
box-shadow, text-shadow
gradients

•

transitions, animations (GPU support)

•

@media queries

•
•
•

simplifizierte DOM-Struktur (tables must die!)
skalierbare, hi-res GUIs (no bitmaps)
Responsive Design

Dienstag, 11. Februar 14
<!DOCTYPE html>

http://www.html5rocks.com
Dienstag, 11. Februar 14
Das Web wurde eine RIA Platform
• Browserkonvergenz auf hohem Niveau
• fortgeschrittener CSS Support
• Offline und Storage features
• Performance- und Reliability-Boost
• Vendor-Kooperation und Ökosystem
• Applikationen statt Websites (shift of mind)
• erprobte MVC-Architekturen
Dienstag, 11. Februar 14

HTML5 unplugged