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viewport modifier
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| <?php | |
| function smarty_modifier_viewport($content = null) | |
| { | |
| $html = ''; | |
| // no viewport | |
| if(!empty($content)) | |
| $html = '<meta name="viewport" content="' . $content . '" />'; | |
| // TODO: don't forget caching issue | |
| if(isset($_GET['fakepad'])) | |
| { | |
| // no viewport | |
| if(empty($content)) | |
| return '<meta name="viewport" content="width=980" />'; | |
| // width=device-width | |
| if(stripos($content, 'device-width')!==false && stripos($content, 'initial-scale')===false) | |
| return '<meta name="viewport" content="width=768" />'; | |
| // width=device-width, initial-scale=1.0 | |
| if(stripos($content, 'device-width')!==false && stripos($content, 'initial-scale')!==false) | |
| { | |
| $content = explode(',', $content); | |
| $extra_content = array(); | |
| foreach($content as $attr) | |
| if(!preg_match('/(device\-width|initial\-scale)/', $attr)) | |
| $extra_content[] = trim($attr); | |
| $content = implode(',', $extra_content); | |
| if(!empty($content)) | |
| $content .= ','; | |
| $html = <<<HTML | |
| <meta name="viewport" id="viewport" /> | |
| <script> | |
| (function(s, o){ | |
| var pt = (o == 0), | |
| w = pt ? 768 : 1024, | |
| iscale = pt ? 320/w : 480/w; | |
| document.getElementById('viewport').setAttribute('content', '{content}width=' + w + ',initial-scale=' + iscale); | |
| })(screen, window.orientation); | |
| </script> | |
| HTML; | |
| $html = str_replace('{content}', $content, $html); | |
| return $html; | |
| } | |
| } | |
| else | |
| return $html; | |
| } |
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