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amp-inline-gallery

Experimental
Bento

Description

Displays multiple similar pieces of content along a horizontal axis, with optional pagination dots and thumbnails.

 

Required Scripts

<script async custom-element="amp-inline-gallery" src="https://cdn.ampproject.org/v0/amp-inline-gallery-1.0.js"></script>

Supported Layouts

Usage

The <amp-inline-gallery> component uses an <amp-base-carousel> to display slides. The page must have the required scripts for both components in the document head. Typical usage might look like:

<amp-inline-gallery layout="container">
  <amp-base-carousel
    class="gallery"
    layout="responsive"
    width="3.6"
    height="2"
    snap-align="center"
    loop
    visible-count="1.2"
  >
    <amp-img
      src="/static/inline-examples/images/image1.jpg"
      layout="responsive"
      width="450"
      height="300"
    ></amp-img>
    <amp-img
      src="/static/inline-examples/images/image2.jpg"
      layout="responsive"
      width="450"
      height="300"
    ></amp-img>
    <amp-img
      src="/static/inline-examples/images/image3.jpg"
      layout="responsive"
      width="450"
      height="300"
    ></amp-img>
  </amp-base-carousel>
  <amp-inline-gallery-pagination layout="nodisplay" inset>
  </amp-inline-gallery-pagination>
</amp-inline-gallery>
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The above example shows slides using an aspect ratio of 3:2, with 10% of a slide peeking on either side. An aspect ratio of 3.6:2 is used on the amp-base-carousel to show 1.2 slides at a time.

Standalone use outside valid AMP documents

Bento allows you to use AMP components in non-AMP pages without needing to commit to fully valid AMP. You can take these components and place them in implementations with frameworks and CMSs that don't support AMP. Read more in our guide Use AMP components in non-AMP pages.

To find the standalone version of amp-inline-gallery, see bento-inline-gallery.

Include pagination indicators

The <amp-inline-gallery-pagination> component determines how a pagination idicator should be displayed. By default, no pagination indicator is displayed.

The pagination indicator renders as dots when there are eight or fewer slides in the amp-base-carousel. For nine or more slides, the pagination indicator renders the current slide number and total number of slides, aligned to the right.

The pagination indicator location defaults to underneath the carousel. Adding the inset attribute to the <amp-inline-gallery-pagination> tag will overlay the pagination indicator on the carousel. To use different styles for different screen sizes, use the media attribute:

<amp-inline-gallery layout="container">
  <amp-base-carousel>…</amp-base-carousel>
  <amp-inline-gallery-pagination
    media="(max-width: 599px)"
    layout="nodisplay"
    inset
  >
  </amp-inline-gallery-pagination>
  <amp-inline-gallery-pagination
    media="(min-width: 600px)"
    layout="fixed-height"
    height="24"
  >
  </amp-inline-gallery-pagination>
</amp-inline-gallery>
inset (optional)

Displays the pagination indicator as inset, overlaying the carousel itself. When using inset, you should give the <amp-inline-gallery-pagination> element layout="nodisplay".

The default CSS for an <amp-inline-gallery-pagination> element with inset specifies it at bottom: 0 with respect to its parent element. You may overwrite this to position the element over the carousel if there are other elements, such as <amp-inline-gallery-thumbnails>, directly below it.

common attributes

The <amp-inline-gallery-pagination> element includes common attributes extended to AMP components.

Include thumbnails

The amp-inline-gallery component can display thumbnail preview in addition to, or instead of, the pagination indicators. By default, no thumbnails are shown in the gallery. Keep in mind the following best practices when using thumbnails:

  • Avoid using both pagination indicators and thumbnails with less than eight slides. The indicator dots are redundant in smaller galleries.
  • When using both pagination indicators and thumbnails, inset the pagination indicators to overlap the slides. View the code sample below to see an example.
  • Use the media attribute to show pagination indicators on smaller mobile devices and thumbnails on larger screens.
  • Load lower resolution images at thumbnails by using data-thumbnail-src on your slide elements.

The example below demonstrates a gallery with thumbnails visible at larger resolutions.

<amp-inline-gallery layout="container">
  <!--
    The amp-layout with layout="container" is used to display the pagination on
    top of the carousel instead of the thumbnails. You can also use a div with
    `position: relative;`
  -->
  <amp-layout layout="container">
    <amp-base-carousel
      class="gallery"
      layout="responsive"
      width="3"
      height="2"
      snap-align="center"
      loop
    >
      <amp-img
        class="slide"
        layout="flex-item"
        src="https://picsum.photos/id/779/600/400"
        srcset="https://picsum.photos/id/779/150/100 150w,
                https://picsum.photos/id/779/600/400 600w,
                https://picsum.photos/id/779/1200/800 1200w"
        data-thumbnail-src="https://picsum.photos/id/779/150/100"
      >
      </amp-img>
      <amp-img
        class="slide"
        layout="flex-item"
        src="https://picsum.photos/id/1048/600/400"
        srcset="https://picsum.photos/id/1048/150/100 150w,
                https://picsum.photos/id/1048/600/400 600w,
                https://picsum.photos/id/1048/1200/800 1200w"
        data-thumbnail-src="https://picsum.photos/id/1048/150/100"
      >
      </amp-img>
      <amp-img
        class="slide"
        layout="flex-item"
        src="https://picsum.photos/id/108/600/400"
        srcset="https://picsum.photos/id/108/150/100 150w,
                https://picsum.photos/id/108/600/400 600w,
                https://picsum.photos/id/108/1200/800 1200w"
        data-thumbnail-src="https://picsum.photos/id/108/150/100"
      >
      </amp-img>
      <amp-img
        class="slide"
        layout="flex-item"
        src="https://picsum.photos/id/130/600/400"
        srcset="https://picsum.photos/id/130/150/100 150w,
                https://picsum.photos/id/130/600/400 600w,
                https://picsum.photos/id/130/1200/800 1200w"
        data-thumbnail-src="https://picsum.photos/id/130/150/100"
      >
      </amp-img>
      <amp-img
        class="slide"
        layout="flex-item"
        src="https://picsum.photos/id/14/600/400"
        srcset="https://picsum.photos/id/14/150/100 150w,
                https://picsum.photos/id/14/600/400 600w,
                https://picsum.photos/id/14/1200/800 1200w"
        data-thumbnail-src="https://picsum.photos/id/14/150/100"
      >
      </amp-img>
      <amp-img
        class="slide"
        layout="flex-item"
        src="https://picsum.photos/id/165/600/400"
        srcset="https://picsum.photos/id/165/150/100 150w,
                https://picsum.photos/id/165/600/400 600w,
                https://picsum.photos/id/165/1200/800 1200w"
        data-thumbnail-src="https://picsum.photos/id/165/150/100"
      >
      </amp-img>
      <amp-img
        class="slide"
        layout="flex-item"
        src="https://picsum.photos/id/179/600/400"
        srcset="https://picsum.photos/id/179/150/100 150w,
                https://picsum.photos/id/179/600/400 600w,
                https://picsum.photos/id/179/1200/800 1200w"
        data-thumbnail-src="https://picsum.photos/id/179/150/100"
      >
      </amp-img>
      <amp-img
        class="slide"
        layout="flex-item"
        src="https://picsum.photos/id/392/600/400"
        srcset="https://picsum.photos/id/392/150/100 150w,
                https://picsum.photos/id/392/600/400 600w,
                https://picsum.photos/id/392/1200/800 1200w"
        data-thumbnail-src="https://picsum.photos/id/392/150/100"
      >
      </amp-img>
      <amp-img
        class="slide"
        layout="flex-item"
        src="https://picsum.photos/id/468/600/400"
        srcset="https://picsum.photos/id/468/150/100 150w,
                https://picsum.photos/id/468/600/400 600w,
                https://picsum.photos/id/468/1200/800 1200w"
        data-thumbnail-src="https://picsum.photos/id/468/150/100"
      >
      </amp-img>
    </amp-base-carousel>
    <!--
        If using fewer than 8 slides, consider adding something
        like media="(max-width: 799px)".
      -->
    <amp-inline-gallery-pagination layout="nodisplay" inset>
    </amp-inline-gallery-pagination>
  </amp-layout>
  <amp-inline-gallery-thumbnails
    media="(min-width: 800px)"
    layout="fixed-height"
    height="96"
  >
  </amp-inline-gallery-thumbnails>
</amp-inline-gallery>
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Media Queries

The attributes for <amp-inline-gallery-thumbnails> can be configured to use different options based on a media query.

aspect-ratio (optional)

Specifies the aspect ratio expressed as width / height. The aspect radio defaults to match the slides in <amp-base-carousel>.

loop (optional)

Loops thumbnails. Takes a value of "true" or "false". Defaults to "false".

common attributes

The <amp-inline-gallery-thumbnails> element includes common attributes extended to AMP components.

Attributes

common attributes

This element includes common attributes extended to AMP components.

Version notes

Unlike 0.1, the experimental 1.0 version of amp-inline-gallery includes the following changes:

  • amp-inline-gallery-pagination with inset attribute positions the element with an overwritable bottom: 0.
  • amp-inline-gallery-thumbnails takes data-thumbnail-src from slide elements (children of the amp-base-carousel) instead of srcset.
  • amp-inline-gallery-thumbnails takes aspect-ratio as expressed by width / height instead of two separate attributes, aspect-ratio-width and aspect-ratio-height.
  • amp-inline-gallery-thumbnails configuration for loop defaults to "false".
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