Digital Publishing with CSS Regions

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DIGITAL PUBLISHING ON THE WEB CSS Regions, CSS Exclusions and Shapes Razvan Caliman / @razvancaliman

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OVERVIEW Publishing: from print to digital Platform: open web, HTML & CSS Packaging: one idea

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PAPER MAGAZINES Rich design & typography Complex layout Fixed page dimensions

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GOING DIGITAL Devices Interactivity Personal attachment

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THE TOOLS Print publishing tools

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ONE DEVICE

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FILE SIZE

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MORE DEVICES Form-factors x 2 orientations Platforms DPI

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OVERVIEW Platform: open web, HTML & CSS Publishing: from print to digital Packaging: one idea

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HTML & CSS

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ADVANTAGES open format widespread support adaptive web standards

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CSS: WHAT'S MISSING rich layout complex shapes overflow control

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CSS REGIONS

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a r t i c l e { / * c o l l e c t c o n t e n t i n t o a n a m e d f l o w * / f l o w - i n t o : m y F l o w ; } . r e g i o n { / * r e n d e r t h e c o n t e n t f r o m t h e n a m e d f l o w * / f l o w - f r o m : m y F l o w ; }

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AGGREGATE CONTENT a r t i c l e h 1 , a r t i c l e i m g , a r t i c l e p : n t h - c h i l d ( 1 ) { / * c o l l e c t c o n t e n t i n t o a n a m e d f l o w * / f l o w - i n t o : p r e v i e w ; } . r e g i o n { / * r e n d e r t h e c o n t e n t f r o m t h e n a m e d f l o w * / f l o w - f r o m : p r e v i e w ; }

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MARKUP SEPARATION < ! - - c o n t e n t : s e m a n t i c m a r k u p - - > < a r t i c l e > < h 1 > T i t l e < / h 1 > . . . < / a r t i c l e > < ! - - l a y o u t : h e l p e r m a r k u p - - > < d i v c l a s s = " r e g i o n " > < / d i v > < d i v c l a s s = " r e g i o n " > < / d i v > < d i v c l a s s = " r e g i o n " > < / d i v >

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REGIONS ARE ONLY VISUAL CONTAINERS

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REGIONS & JAVASCRIPT

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CSS OBJECT MODEL v a r f l o w s = d o c u m e n t . g e t N a m e d F l o w s ( ) v a r f l o w = f l o w s [ ' m y F l o w ' ] / / G e t t h e n o d e s c o l l e c t e d i n t h e n a m e d f l o w f l o w . g e t C o n t e n t ( ) / / G e t t h e r e g i o n s t h a t r e n d e r t h e c o n t e n t f l o w . g e t R e g i o n s ( )

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DOES IT FIT? v a r f l o w s = d o c u m e n t . g e t N a m e d F l o w s ( ) v a r f l o w = f l o w s [ ' m y F l o w ' ] / / { B o o l e a n } i s t h e r e m o r e c o n t e n t t h a n r e g i o n s ? f l o w . o v e r s e t / / A d d m o r e r e g i o n s i f n e c e s a r y f l o w . a d d E v e n t L i s t e n e r ( ' r e g i o n l a y o u t u p d a t e ' , f u n c t i o n ( ) { i f ( f l o w . o v e r s e t ) { / / a d d m o r e r e g i o n s } } )

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CSS REGIONS STATUS W3C Working Draft - Adobe, Microsoft

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CSS EXCLUSIONS

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SHAPE INSIDE / * w r a p t h e t e x t i n s i d e a c i r c l e * / # c o n t e n t { s h a p e - i n s i d e : c i r c l e ( 5 0 p x , 5 0 p x 5 0 p x ) }

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SHAPE OUTSIDE # c o n t e n t { / * . . . * / } # e x c l u s i o n { s h a p e - o u t s i d e : c i r c l e ( 5 0 p x , 5 0 p x 5 0 p x ) / * t e x t c o n t e n t g o e s a r o u n d b o t h m y s i d e s * / w r a p - f l o w : b o t h ; }

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POLYGON SHAPES / * n o n - r e c t a n g u l a r s h a p e s * / # c o n t e n t { s h a p e - i n s i d e : p o l y g o n ( x 1 , y 1 x 2 , y 2 . . . ) }

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SHAPES FROM SVG < s v g . . . > < c i r c l e i d = " c i r c l e _ s h a p e " c x = " 5 0 % " c y = " 5 0 % " r = " 5 0 % " / > < / s v g > # c o n t e n t { s h a p e - i n s i d e : u r l ( # c i r c l e _ s h a p e ) }

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CSS EXCLUSIONS AND SHAPES W3C Working Draft - Adobe, Microsoft

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OVERVIEW Packaging: one idea Publishing: from print to digital Platform: open web, HTML & CSS

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PLACEHOLDER MARKUP < ! - - c o n t e n t : s e m a n t i c m a r k u p - - > < a r t i c l e > < h 1 > T i t l e < / h 1 > . . . < / a r t i c l e > < ! - - l a y o u t : h e l p e r m a r k u p - - > < d i v c l a s s = " r e g i o n " > < / d i v > < d i v c l a s s = " r e g i o n " > < / d i v > < d i v c l a s s = " r e g i o n " > < / d i v >

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WEB COMPONEN TS & CSS Regions

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SHADOW DOM The < v i d e o > element Read What the Heck is Shadow DOM? 9:56

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COMPONENT < h e a d > < l i n k r e l = " c o m p o n e n t s " h r e f = " m a g a z i n e - c o m p o n e n t . h t m l " > < / h e a d >

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USING IT < a r t i c l e i s = " m a g a z i n e " > < h 1 > T i t l e < / h 1 > . . . < / a r t i c e >

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WEB COMPONENTS Shadow DOM W3C Working Draft - Google Intro to Web Components W3C Working Draft - Google

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+ Web Components

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END @razvancaliman html.adobe.com

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CSS Regions CSS Regions Proposal to W3C Adobe Web Platform blog CSS Regions tutorial CSS Regions on html.adobe.com CSS Exclusions and Shapes CSS Exclusions and Shapes Proposal to W3C CSS Exclusions on html.adobe.com Hans Muller's blog Web Components Introduction to Web Components Web Components slides by Eric Bidelman

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