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<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
/**
* Twitter Timeline Widget.
*
* Based on Evolution Twitter Timeline
* (https://wordpress.org/extend/plugins/evolution-twitter-timeline/)
* For details on Twitter Timelines see:
* - https://twitter.com/settings/widgets
* - https://dev.twitter.com/docs/embedded-timelines
*
* @package automattic/jetpack
*/
// phpcs:disable Universal.Files.SeparateFunctionsFromOO.Mixed -- TODO: Move classes to appropriately-named class files.
use Automattic\Jetpack\Assets;
use Automattic\Jetpack\Redirect;
/**
* Register the widget for use in Appearance -> Widgets
*/
function jetpack_twitter_timeline_widget_init() {
register_widget( 'Jetpack_Twitter_Timeline_Widget' );
}
add_action( 'widgets_init', 'jetpack_twitter_timeline_widget_init' );
/**
* Widget class.
*/
class Jetpack_Twitter_Timeline_Widget extends WP_Widget {
/**
* Register widget with WordPress.
*/
public function __construct() {
parent::__construct(
'twitter_timeline',
/** This filter is documented in modules/widgets/facebook-likebox.php */
apply_filters( 'jetpack_widget_name', esc_html__( 'Twitter Timeline', 'jetpack' ) ),
array(
'classname' => 'widget_twitter_timeline',
'description' => __( 'Display an official Twitter Embedded Timeline widget.', 'jetpack' ),
'customize_selective_refresh' => true,
)
);
if ( is_active_widget( false, false, $this->id_base ) || is_active_widget( false, false, 'monster' ) || is_customize_preview() ) {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
}
add_action( 'admin_enqueue_scripts', array( $this, 'admin_scripts' ) );
add_filter( 'widget_types_to_hide_from_legacy_widget_block', array( $this, 'hide_widget_in_block_editor' ) );
}
/**
* Remove the "Twitter Timeline" widget from the Legacy Widget block
*
* @param array $widget_types List of widgets that are currently removed from the Legacy Widget block.
* @return array $widget_types New list of widgets that will be removed.
*/
public function hide_widget_in_block_editor( $widget_types ) {
$widget_types[] = 'twitter_timeline';
return $widget_types;
}
/**
* Enqueue scripts.
*/
public function enqueue_scripts() {
if ( ! class_exists( 'Jetpack_AMP_Support' ) || ! Jetpack_AMP_Support::is_amp_request() ) {
wp_enqueue_script( 'jetpack-twitter-timeline' );
}
}
/**
* Enqueue script to improve admin UI
*
* @param string $hook Page hook.
*/
public function admin_scripts( $hook ) {
// This is still 'widgets.php' when managing widgets via the Customizer.
if ( 'widgets.php' === $hook ) {
wp_enqueue_script(
'twitter-timeline-admin',
Assets::get_file_url_for_environment(
'_inc/build/widgets/twitter-timeline-admin.min.js',
'modules/widgets/twitter-timeline-admin.js'
),
array( 'jquery' ),
JETPACK__VERSION,
true
);
}
}
/**
* Front-end display of widget.
*
* @see WP_Widget::widget()
*
* @param array $args Widget arguments.
* @param array $instance Saved values from database.
*/
public function widget( $args, $instance ) {
$output = '';
// Twitter deprecated `data-widget-id` on 2018-05-25,
// with cease support deadline on 2018-07-27.
if ( isset( $instance['type'] ) && 'widget-id' === $instance['type'] ) {
if ( current_user_can( 'edit_theme_options' ) ) {
$output .= $args['before_widget']
. $args['before_title'] . esc_html__( 'Twitter Timeline', 'jetpack' ) . $args['after_title']
. '<p>' . esc_html__( "The Twitter Timeline widget can't display tweets based on searches or hashtags. To display a simple list of tweets instead, change the Widget ID to a Twitter username. Otherwise, delete this widget.", 'jetpack' ) . '</p>'
. '<p>' . esc_html__( '(Only administrators will see this message.)', 'jetpack' ) . '</p>'
. $args['after_widget'];
}
echo $output; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
return;
}
$instance['lang'] = substr( strtoupper( get_locale() ), 0, 2 );
$output .= $args['before_widget'];
$title = isset( $instance['title'] ) ? $instance['title'] : '';
/** This filter is documented in core/src/wp-includes/default-widgets.php */
$title = apply_filters( 'widget_title', $title );
if ( ! empty( $title ) ) {
$output .= $args['before_title'] . $title . $args['after_title'];
}
$possible_data_attribs = array(
'width',
'height',
'theme',
'border-color',
'tweet-limit',
'lang',
);
$data_attrs = '';
foreach ( $possible_data_attribs as $att ) {
if ( ! empty( $instance[ $att ] ) && ! is_array( $instance[ $att ] ) ) {
$data_attrs .= ' data-' . esc_attr( $att ) . '="' . esc_attr( $instance[ $att ] ) . '"';
}
}
/** This filter is documented in modules/shortcodes/tweet.php */
$partner = apply_filters( 'jetpack_twitter_partner_id', 'jetpack' );
if ( ! empty( $partner ) ) {
$data_attrs .= ' data-partner="' . esc_attr( $partner ) . '"';
}
/**
* Allow the activation of Do Not Track for the Twitter Timeline Widget.
*
* @see https://developer.twitter.com/en/docs/twitter-for-websites/timelines/guides/parameter-reference.html
*
* @module widgets
*
* @since 6.9.0
*
* @param bool false Should the Twitter Timeline use the DNT attribute? Default to false.
*/
$dnt = apply_filters( 'jetpack_twitter_timeline_default_dnt', false );
if ( true === $dnt ) {
$data_attrs .= ' data-dnt="true"';
}
if ( ! empty( $instance['chrome'] ) && is_array( $instance['chrome'] ) ) {
$data_attrs .= ' data-chrome="' . esc_attr( implode( ' ', $instance['chrome'] ) ) . '"';
}
$timeline_placeholder = __( 'My Tweets', 'jetpack' );
/**
* Filter the Timeline placeholder text.
*
* @module widgets
*
* @since 3.4.0
*
* @param string $timeline_placeholder Timeline placeholder text.
*/
$timeline_placeholder = apply_filters( 'jetpack_twitter_timeline_placeholder', $timeline_placeholder );
$type = ( isset( $instance['type'] ) ? $instance['type'] : '' );
$widget_id = ( isset( $instance['widget-id'] ) ? $instance['widget-id'] : '' );
if ( class_exists( 'Jetpack_AMP_Support' ) && Jetpack_AMP_Support::is_amp_request() ) {
$width = ! empty( $instance['width'] ) ? $instance['width'] : 600;
$height = ! empty( $instance['height'] ) ? $instance['height'] : 480;
$output .= '<amp-twitter' . $data_attrs . ' layout="responsive" data-timeline-source-type="profile" data-timeline-screen-name="' . esc_attr( $widget_id ) . '" width="' . absint( $width ) . '" height="' . absint( $height ) . '">'; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
$output .= esc_html( $timeline_placeholder ) . '</amp-twitter>';
echo $output . $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
return;
}
// Start tag output
// This tag is transformed into the widget markup by Twitter's
// widgets.js code.
$output .= '<a class="twitter-timeline"' . $data_attrs; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
switch ( $type ) {
case 'profile':
$output .= ' href="https://twitter.com/' . esc_attr( $widget_id ) . '"';
break;
case 'widget-id':
default:
$output .= ' data-widget-id="' . esc_attr( $widget_id ) . '"';
break;
}
$output .= ' href="https://twitter.com/' . esc_attr( $widget_id ) . '"';
// End tag output.
$output .= '>';
$output .= esc_html( $timeline_placeholder ) . '</a>';
// End tag output.
echo $output . $args['after_widget']; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
/** This action is documented in modules/widgets/gravatar-profile.php */
do_action( 'jetpack_stats_extra', 'widget_view', 'twitter_timeline' );
}
/**
* Sanitize widget form values as they are saved.
*
* @see WP_Widget::update()
*
* @param array $new_instance Values just sent to be saved.
* @param array $old_instance Previously saved values from database.
*
* @return array Updated safe values to be saved.
*/
public function update( $new_instance, $old_instance ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
$instance = array();
$instance['title'] = sanitize_text_field( $new_instance['title'] );
$width = (int) $new_instance['width'];
if ( $width ) {
// From publish.twitter.com: 220 <= width <= 1200.
$instance['width'] = min( max( $width, 220 ), 1200 );
} else {
// Set default width value to minimum.
$instance['width'] = 220;
}
$tweet_display = sanitize_text_field( $new_instance['tweet-display'] );
$instance['tweet-display'] = $tweet_display;
/**
* A timeline with a specified limit is expanded to the height of those Tweets.
* The specified height value no longer applies, so reject the height value
* when a valid limit is set: a widget attempting to save both limit 5 and
* height 400 would be saved with just limit 5.
* So if the tweet display option is set to 'dynamic' the limit will be unset and we'll
* take into account the height value.
* If the tweet display option is set to 'fixed' the height will be unset and we'll
* take into account the limit value.
*/
$instance['height'] = '';
$instance['tweet-limit'] = null;
switch ( $tweet_display ) {
case 'dynamic':
$height = (int) $new_instance['height'];
// From publish.twitter.com: height >= 200.
$instance['height'] = max( $height, 200 );
break;
case 'fixed':
$tweet_limit = (int) $new_instance['tweet-limit'];
// From publish.twitter.com: 1 >= tweet-limit >= 20.
$instance['tweet-limit'] = min( max( $tweet_limit, 1 ), 20 );
break;
}
// If they entered something that might be a full URL, try to parse it out.
if ( is_string( $new_instance['widget-id'] ) ) {
if ( preg_match(
'#https?://twitter\.com/settings/widgets/(\d+)#s',
$new_instance['widget-id'],
$matches
) ) {
$new_instance['widget-id'] = $matches[1];
}
}
$instance['widget-id'] = sanitize_text_field( $new_instance['widget-id'] );
$new_border_color = sanitize_hex_color( $new_instance['border-color'] );
if ( ! empty( $new_border_color ) ) {
$instance['border-color'] = $new_border_color;
}
$instance['type'] = 'profile';
$instance['theme'] = 'light';
if ( in_array( $new_instance['theme'], array( 'light', 'dark' ), true ) ) {
$instance['theme'] = $new_instance['theme'];
}
$instance['chrome'] = array();
$chrome_settings = array(
'noheader',
'nofooter',
'noborders',
'transparent',
'noscrollbar',
);
foreach ( $chrome_settings as $chrome ) {
switch ( $chrome ) {
case 'noheader':
case 'nofooter':
case 'noborders':
case 'noscrollbar':
if ( ! isset( $new_instance['chrome'] ) || ! in_array( $chrome, $new_instance['chrome'], true ) ) {
$instance['chrome'][] = $chrome;
}
break;
default:
if ( isset( $new_instance['chrome'] ) && in_array( $chrome, $new_instance['chrome'], true ) ) {
$instance['chrome'][] = $chrome;
}
break;
}
}
return $instance;
}
/**
* Returns a link to the documentation for a feature of this widget on
* Jetpack or WordPress.com.
*
* @param string $hash anchor to potentially append to URL to target specific paragraph in page.
*/
public function get_docs_link( $hash = '' ) {
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
$base_url = 'https://wordpress.com/support/widgets/twitter-timeline-widget/';
} else {
$base_url = esc_url( Redirect::get_url( 'jetpack-support-extra-sidebar-widgets-twitter-timeline-widget' ) );
}
return '<a class="widget-access-link" href="' . $base_url . $hash . '" target="_blank"> Need help?</a>';
}
/**
* Back end widget form.
*
* @see WP_Widget::form()
*
* @param array $instance Previously saved values from database.
*/
public function form( $instance ) {
$defaults = array(
'title' => esc_html__( 'Follow me on Twitter', 'jetpack' ),
'width' => '220',
'height' => '200',
'type' => 'profile',
'widget-id' => '',
'border-color' => '#f0f0f1',
'theme' => 'light',
'chrome' => array(),
'tweet-limit' => 1,
'tweet-display' => 'dynamic',
);
$instance = wp_parse_args( (array) $instance, $defaults );
if ( 'widget-id' === $instance['type'] ) {
$instance['widget-id'] = '';
}
$instance['type'] = 'profile';
/**
* Set the tweet-display option to 'fixed' if height is empty and tweet-limit set
* to ensure backwards compatibility with pre-existing widgets.
*/
if ( empty( $instance['height'] ) && isset( $instance['tweet-limit'] ) ) {
$instance['tweet-display'] = 'fixed';
}
?>
<p class="jetpack-twitter-timeline-widget-id-container">
<label for="<?php echo esc_attr( $this->get_field_id( 'widget-id' ) ); ?>">
<?php esc_html_e( 'Twitter username:', 'jetpack' ); ?>
<?php
echo wp_kses(
$this->get_docs_link( '#twitter-username' ),
array(
'a' => array(
'href' => array(),
'rel' => array(),
'target' => array(),
'class' => array(),
),
)
);
?>
</label>
<input
class="widefat"
id="<?php echo esc_attr( $this->get_field_id( 'widget-id' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'widget-id' ) ); ?>"
type="text"
value="<?php echo esc_attr( $instance['widget-id'] ); ?>"
/>
</p>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>">
<?php esc_html_e( 'Title:', 'jetpack' ); ?>
</label>
<input
class="widefat"
id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>"
type="text"
value="<?php echo esc_attr( $instance['title'] ); ?>"
/>
</p>
<p>
<label>
<strong><?php esc_html_e( 'Number of tweets shown:', 'jetpack' ); ?></strong>
</label>
<ul>
<li>
<label>
<input
id="<?php echo esc_attr( $this->get_field_id( 'tweet-display' ) ); ?>-dynamic"
name="<?php echo esc_attr( $this->get_field_name( 'tweet-display' ) ); ?>"
type="radio"
class="jetpack-twitter-timeline-widget-tweet-display-radio"
value="dynamic"
<?php checked( 'dynamic', $instance['tweet-display'] ); ?>
/>
<?php esc_html_e( 'Dynamic', 'jetpack' ); ?>
</label>
</li>
<li>
<label>
<input
id="<?php echo esc_attr( $this->get_field_id( 'tweet-display' ) ); ?>-fixed"
name="<?php echo esc_attr( $this->get_field_name( 'tweet-display' ) ); ?>"
type="radio"
class="jetpack-twitter-timeline-widget-tweet-display-radio"
value="fixed"
<?php checked( 'fixed', $instance['tweet-display'] ); ?>
/>
<?php esc_html_e( 'Fixed', 'jetpack' ); ?>
</label>
</li>
</ul>
</p>
<p class="jetpack-twitter-timeline-widget-height-container" <?php echo ( 'fixed' === $instance['tweet-display'] ) ? ' style="display:none;"' : ''; ?>>
<label for="<?php echo esc_attr( $this->get_field_id( 'height' ) ); ?>">
<?php esc_html_e( 'Height (in pixels; at least 200):', 'jetpack' ); ?>
</label>
<input
class="widefat"
id="<?php echo esc_attr( $this->get_field_id( 'height' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'height' ) ); ?>"
type="number" min="200"
value="<?php echo esc_attr( $instance['height'] ); ?>"
/>
</p>
<p class="jetpack-twitter-timeline-widget-tweet-limit-container" <?php echo ( 'dynamic' === $instance['tweet-display'] ) ? ' style="display:none;"' : ''; ?>>
<label for="<?php echo esc_attr( $this->get_field_id( 'tweet-limit' ) ); ?>">
<?php esc_html_e( 'Number of tweets in the timeline (1 to 20):', 'jetpack' ); ?>
</label>
<input
class="widefat"
id="<?php echo esc_attr( $this->get_field_id( 'tweet-limit' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'tweet-limit' ) ); ?>"
type="number" min="1" max="20"
value="<?php echo esc_attr( $instance['tweet-limit'] ); ?>"
/>
</p>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'width' ) ); ?>">
<?php esc_html_e( 'Maximum width (in pixels; 220 to 1200):', 'jetpack' ); ?>
</label>
<input
class="widefat"
id="<?php echo esc_attr( $this->get_field_id( 'width' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'width' ) ); ?>"
type="number" min="220" max="1200"
value="<?php echo esc_attr( $instance['width'] ); ?>"
/>
</p>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'chrome-noheader' ) ); ?>">
<strong><?php esc_html_e( 'Layout options:', 'jetpack' ); ?></strong>
</label>
</p>
<p>
<input
type="checkbox"
<?php checked( false, in_array( 'noheader', $instance['chrome'], true ) ); ?>
id="<?php echo esc_attr( $this->get_field_id( 'chrome-noheader' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'chrome' ) ); ?>[]"
value="noheader"
/>
<label for="<?php echo esc_attr( $this->get_field_id( 'chrome-noheader' ) ); ?>">
<?php esc_html_e( 'Show header', 'jetpack' ); ?>
</label>
<br />
<input
type="checkbox"
<?php checked( false, in_array( 'nofooter', $instance['chrome'], true ) ); ?>
id="<?php echo esc_attr( $this->get_field_id( 'chrome-nofooter' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'chrome' ) ); ?>[]"
value="nofooter"
/>
<label for="<?php echo esc_attr( $this->get_field_id( 'chrome-nofooter' ) ); ?>">
<?php esc_html_e( 'Show footer', 'jetpack' ); ?>
</label>
<br />
<input
type="checkbox"
<?php checked( false, in_array( 'noborders', $instance['chrome'], true ) ); ?>
id="<?php echo esc_attr( $this->get_field_id( 'chrome-noborders' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'chrome' ) ); ?>[]"
value="noborders"
/>
<label for="<?php echo esc_attr( $this->get_field_id( 'chrome-noborders' ) ); ?>">
<?php esc_html_e( 'Show borders', 'jetpack' ); ?>
</label>
<br />
<input
type="checkbox"
<?php checked( false, in_array( 'noscrollbar', $instance['chrome'], true ) ); ?>
id="<?php echo esc_attr( $this->get_field_id( 'chrome-noscrollbar' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'chrome' ) ); ?>[]"
value="noscrollbar"
<?php disabled( 'fixed', $instance['tweet-display'] ); ?>
/>
<label for="<?php echo esc_attr( $this->get_field_id( 'chrome-noscrollbar' ) ); ?>">
<?php esc_html_e( 'Show scrollbar', 'jetpack' ); ?>
</label>
<br />
<input
type="checkbox"
<?php checked( in_array( 'transparent', $instance['chrome'], true ) ); ?>
id="<?php echo esc_attr( $this->get_field_id( 'chrome-transparent' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'chrome' ) ); ?>[]"
value="transparent"
/>
<label for="<?php echo esc_attr( $this->get_field_id( 'chrome-transparent' ) ); ?>">
<?php esc_html_e( 'Transparent background', 'jetpack' ); ?>
</label>
</p>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'border-color' ) ); ?>">
<?php esc_html_e( 'Border color (in hex format):', 'jetpack' ); ?>
</label>
<input
class="widefat"
id="<?php echo esc_attr( $this->get_field_id( 'border-color' ) ); ?>"
name="<?php echo esc_attr( $this->get_field_name( 'border-color' ) ); ?>"
type="text"
value="<?php echo esc_attr( $instance['border-color'] ); ?>"
/>
</p>
<p>
<label for="<?php echo esc_attr( $this->get_field_id( 'theme' ) ); ?>">
<?php esc_html_e( 'Color scheme:', 'jetpack' ); ?>
</label>
<select
name="<?php echo esc_attr( $this->get_field_name( 'theme' ) ); ?>"
id="<?php echo esc_attr( $this->get_field_id( 'theme' ) ); ?>"
class="widefat"
>
<option value="light"<?php selected( $instance['theme'], 'light' ); ?>>
<?php esc_html_e( 'Light', 'jetpack' ); ?>
</option>
<option value="dark"<?php selected( $instance['theme'], 'dark' ); ?>>
<?php esc_html_e( 'Dark', 'jetpack' ); ?>
</option>
</select>
</p>
<?php
}
}