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[4.0] Disable lazyloading on images that have no dimensions or added on the first page view #30218

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[4.0] Disable lazyloading on images that have no dimensions or added on the first page view #30218

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bd60393
disable lazyloading on images that have no dimensions or are defenelt…
zero-24 Jul 29, 2020
fb33af9
adding it back for the intro image as discussed with george
zero-24 Jul 29, 2020
9d9a276
Update full_image.php
zero-24 Jul 29, 2020
cbc68d1
add width and height thanks @dgrammatiko
zero-24 Jul 30, 2020
ea3c0d0
Merge branch 'lazyloading_dimensions' of github.com:zero-24/joomla-cm…
zero-24 Jul 30, 2020
25417bf
add px thanks @dgrammatiko
zero-24 Jul 30, 2020
bcd47a1
move ) thanks @Quy
zero-24 Jul 30, 2020
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2 changes: 1 addition & 1 deletion layouts/joomla/content/full_image.php
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@
<?php if (!empty($images->image_fulltext)) : ?>
<?php $imgfloat = empty($images->float_fulltext) ? $params->get('float_fulltext') : $images->float_fulltext; ?>
<figure class="float-<?php echo htmlspecialchars($imgfloat, ENT_COMPAT, 'UTF-8'); ?> item-image">
<img loading="lazy" src="<?php echo htmlspecialchars($images->image_fulltext, ENT_COMPAT, 'UTF-8'); ?>"
<img src="<?php echo htmlspecialchars($images->image_fulltext, ENT_COMPAT, 'UTF-8'); ?>"
alt="<?php echo htmlspecialchars($images->image_fulltext_alt, ENT_COMPAT, 'UTF-8'); ?>"
itemprop="image"/>
<?php if (isset($images->image_fulltext_caption) && $images->image_fulltext_caption !== '') : ?>
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4 changes: 2 additions & 2 deletions layouts/joomla/content/intro_image.php
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Expand Up @@ -20,13 +20,13 @@
<figure class="float-<?php echo htmlspecialchars($imgfloat, ENT_COMPAT, 'UTF-8'); ?> item-image">
<?php if ($params->get('link_titles') && $params->get('access-view')) : ?>
<a href="<?php echo Route::_(RouteHelper::getArticleRoute($displayData->slug, $displayData->catid, $displayData->language)); ?>">
<img loading="lazy" src="<?php echo htmlspecialchars($images->image_intro, ENT_COMPAT, 'UTF-8'); ?>"
<img src="<?php echo htmlspecialchars($images->image_intro, ENT_COMPAT, 'UTF-8'); ?>"
alt="<?php echo htmlspecialchars($images->image_intro_alt, ENT_COMPAT, 'UTF-8'); ?>"
itemprop="thumbnailUrl"
/>
</a>
<?php else : ?>
<img loading="lazy" src="<?php echo htmlspecialchars($images->image_intro, ENT_COMPAT, 'UTF-8'); ?>"
<img src="<?php echo htmlspecialchars($images->image_intro, ENT_COMPAT, 'UTF-8'); ?>"
alt="<?php echo htmlspecialchars($images->image_intro_alt, ENT_COMPAT, 'UTF-8'); ?>"
itemprop="thumbnailUrl"
>
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4 changes: 2 additions & 2 deletions libraries/src/HTML/HTMLHelper.php
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Expand Up @@ -630,8 +630,8 @@ public static function image($file, $alt, $attribs = null, $relative = false, $r
return $file;
}

// Default to lazy you can disable lazyloading by passing $attribs['loading'] = 'eager';
if (!isset($attribs['loading']))
// Default to lazy when the width and height are set you can disable lazyloading by passing $attribs['loading'] = 'eager';
if (!isset($attribs['loading']) && isset($attribs['width']) && isset($attribs['height']))
{
$attribs['loading'] = 'lazy';
}
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8 changes: 6 additions & 2 deletions plugins/content/imagelazyload/imagelazyload.php
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Expand Up @@ -45,8 +45,12 @@ public function onContentPrepare($context, &$row, &$params, $page = 0)

foreach ($matches[0] as $image)
{
// Make sure we have a src but no loading attribute
if (strpos($image, ' src=') !== false && strpos($image, ' loading=') === false)
// Make sure we have a src, width and height but no loading attribute
if (strpos($image, ' src=') !== false
&& strpos($image, ' width=') !== false
&& strpos($image, ' height=') !== false
&& strpos($image, ' loading=') === false
)
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{
$lazyloadImage = str_replace('<img ', '<img loading="lazy" ', $image);
$row->text = str_replace($image, $lazyloadImage, $row->text);
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