<?php
/**
* Upgrader API: Theme_Installer_Skin class
*
* @package WordPress
* @subpackage Upgrader
* @since 4.6.0
*/
/**
* Theme Installer Skin for the WordPress Theme Installer.
*
* @since 2.8.0
* @since 4.6.0 Moved to its own file from wp-admin/includes/class-wp-upgrader-skins.php.
*
* @see WP_Upgrader_Skin
*/
class Theme_Installer_Skin extends WP_Upgrader_Skin {
public $api;
public $type;
public $url;
public $overwrite;
private $is_downgrading = false;
/**
* Constructor.
*
* Sets up the theme installer skin.
*
* @since 2.8.0
*
* @param array $args
*/
public function __construct( $args = array() ) {
$defaults = array(
'type' => 'web',
'url' => '',
'theme' => '',
'nonce' => '',
'title' => '',
'overwrite' => '',
);
$args = wp_parse_args( $args, $defaults );
$this->type = $args['type'];
$this->url = $args['url'];
$this->api = isset( $args['api'] ) ? $args['api'] : array();
$this->overwrite = $args['overwrite'];
parent::__construct( $args );
}
/**
* Performs an action before installing a theme.
*
* @since 2.8.0
*/
public function before() {
if ( ! empty( $this->api ) ) {
$this->upgrader->strings['process_success'] = sprintf(
$this->upgrader->strings['process_success_specific'],
$this->api->name,
$this->api->version
);
}
}
/**
* Hides the `process_failed` error when updating a theme by uploading a zip file.
*
* @since 5.5.0
*
* @param WP_Error $wp_error WP_Error object.
* @return bool True if the error should be hidden, false otherwise.
*/
public function hide_process_failed( $wp_error ) {
if (
'upload' === $this->type &&
'' === $this->overwrite &&
$wp_error->get_error_code() === 'folder_exists'
) {
return true;
}
return false;
}
/**
* Performs an action following a single theme install.
*
* @since 2.8.0
*/
public function after() {
if ( $this->do_overwrite() ) {
return;
}
if ( empty( $this->upgrader->result['destination_name'] ) ) {
return;
}
$theme_info = $this->upgrader->theme_info();
if ( empty( $theme_info ) ) {
return;
}
$name = $theme_info->display( 'Name' );
$stylesheet = $this->upgrader->result['destination_name'];
$template = $theme_info->get_template();
$activate_link = add_query_arg(
array(
'action' => 'activate',
'template' => urlencode( $template ),
'stylesheet' => urlencode( $stylesheet ),
),
admin_url( 'themes.php' )
);
$activate_link = wp_nonce_url( $activate_link, 'switch-theme_' . $stylesheet );
$install_actions = array();
if ( current_user_can( 'edit_theme_options' ) && current_user_can( 'customize' ) && ! $theme_info->is_block_theme() ) {
$customize_url = add_query_arg(
array(
'theme' => urlencode( $stylesheet ),
'return' => urlencode( admin_url( 'web' === $this->type ? 'theme-install.php' : 'themes.php' ) ),
),
admin_url( 'customize.php' )
);
$install_actions['preview'] = sprintf(
'<a href="%s" class="hide-if-no-customize load-customize">' .
'<span aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
esc_url( $customize_url ),
__( 'Live Preview' ),
/* translators: Hidden accessibility text. %s: Theme name. */
sprintf( __( 'Live Preview “%s”' ), $name )
);
}
$install_actions['activate'] = sprintf(
'<a href="%s" class="activatelink">' .
'<span aria-hidden="true">%s</span><span class="screen-reader-text">%s</span></a>',
esc_url( $activate_link ),
_x( 'Activate', 'theme' ),
/* translators: Hidden accessibility text. %s: Theme name. */
sprintf( _x( 'Activate “%s”', 'theme' ), $name )
);
if ( is_network_admin() && current_user_can( 'manage_network_themes' ) ) {
$install_actions['network_enable'] = sprintf(
'<a href="%s" target="_parent">%s</a>',
esc_url( wp_nonce_url( 'themes.php?action=enable&theme=' . urlencode( $stylesheet ), 'enable-theme_' . $stylesheet ) ),
__( 'Network Enable' )
);
}
if ( 'web' === $this->type ) {
$install_actions['themes_page'] = sprintf(
'<a href="%s" target="_parent">%s</a>',
self_admin_url( 'theme-install.php' ),
__( 'Go to Theme Installer' )
);
} elseif ( current_user_can( 'switch_themes' ) || current_user_can( 'edit_theme_options' ) ) {
$install_actions['themes_page'] = sprintf(
'<a href="%s" target="_parent">%s</a>',
self_admin_url( 'themes.php' ),
__( 'Go to Themes page' )
);
}
if ( ! $this->result || is_wp_error( $this->result ) || is_network_admin() || ! current_user_can( 'switch_themes' ) ) {
unset( $install_actions['activate'], $install_actions['preview'] );
} elseif ( get_option( 'template' ) === $stylesheet ) {
unset( $install_actions['activate'] );
}
/**
* Filters the list of action links available following a single theme installation.
*
* @since 2.8.0
*
* @param string[] $install_actions Array of theme action links.
* @param object $api Object containing WordPress.org API theme data.
* @param string $stylesheet Theme directory name.
* @param WP_Theme $theme_info Theme object.
*/
$install_actions = apply_filters( 'install_theme_complete_actions', $install_actions, $this->api, $stylesheet, $theme_info );
if ( ! empty( $install_actions ) ) {
$this->feedback( implode( ' | ', (array) $install_actions ) );
}
}
/**
* Checks if the theme can be overwritten and outputs the HTML for overwriting a theme on upload.
*
* @since 5.5.0
*
* @return bool Whether the theme can be overwritten and HTML was outputted.
*/
private function do_overwrite() {
if ( 'upload' !== $this->type || ! is_wp_error( $this->result ) || 'folder_exists' !== $this->result->get_error_code() ) {
return false;
}
$folder = $this->result->get_error_data( 'folder_exists' );
$folder = rtrim( $folder, '/' );
$current_theme_data = false;
$all_themes = wp_get_themes( array( 'errors' => null ) );
foreach ( $all_themes as $theme ) {
$stylesheet_dir = wp_normalize_path( $theme->get_stylesheet_directory() );
if ( rtrim( $stylesheet_dir, '/' ) !== $folder ) {
continue;
}
$current_theme_data = $theme;
}
$new_theme_data = $this->upgrader->new_theme_data;
if ( ! $current_theme_data || ! $new_theme_data ) {
return false;
}
echo '<h2 class="update-from-upload-heading">' . esc_html__( 'This theme is already installed.' ) . '</h2>';
// Check errors for active theme.
if ( is_wp_error( $current_theme_data->errors() ) ) {
$this->feedback( 'current_theme_has_errors', $current_theme_data->errors()->get_error_message() );
}
$this->is_downgrading = version_compare( $current_theme_data['Version'], $new_theme_data['Version'], '>' );
$is_invalid_parent = false;
if ( ! empty( $new_theme_data['Template'] ) ) {
$is_invalid_parent = ! in_array( $new_theme_data['Template'], array_keys( $all_themes ), true );
}
$rows = array(
'Name' => __( 'Theme name' ),
'Version' => __( 'Version' ),
'Author' => __( 'Author' ),
'RequiresWP' => __( 'Required WordPress version' ),
'RequiresPHP' => __( 'Required PHP version' ),
'Template' => __( 'Parent theme' ),
);
$table = '<table class="update-from-upload-comparison"><tbody>';
$table .= '<tr><th></th><th>' . esc_html_x( 'Installed', 'theme' ) . '</th><th>' . esc_html_x( 'Uploaded', 'theme' ) . '</th></tr>';
$is_same_theme = true; // Let's consider only these rows.
foreach ( $rows as $field => $label ) {
$old_value = $current_theme_data->display( $field, false );
$old_value = $old_value ? (string) $old_value : '-';
$new_value = ! empty( $new_theme_data[ $field ] ) ? (string) $new_theme_data[ $field ] : '-';
if ( $old_value === $new_value && '-' === $new_value && 'Template' === $field ) {
continue;
}
$is_same_theme = $is_same_theme && ( $old_value === $new_value );
$diff_field = ( 'Version' !== $field && $new_value !== $old_value );
$diff_version = ( 'Version' === $field && $this->is_downgrading );
$invalid_parent = false;
if ( 'Template' === $field && $is_invalid_parent ) {
$invalid_parent = true;
$new_value .= ' ' . __( '(not found)' );
}
$table .= '<tr><td class="name-label">' . $label . '</td><td>' . wp_strip_all_tags( $old_value ) . '</td>';
$table .= ( $diff_field || $diff_version || $invalid_parent ) ? '<td class="warning">' : '<td>';
$table .= wp_strip_all_tags( $new_value ) . '</td></tr>';
}
$table .= '</tbody></table>';
/**
* Filters the compare table output for overwriting a theme package on upload.
*
* @since 5.5.0
*
* @param string $table The output table with Name, Version, Author, RequiresWP, and RequiresPHP info.
* @param WP_Theme $current_theme_data Active theme data.
* @param array $new_theme_data Array with uploaded theme data.
*/
echo apply_filters( 'install_theme_overwrite_comparison', $table, $current_theme_data, $new_theme_data );
$install_actions = array();
$can_update = true;
$blocked_message = '<p>' . esc_html__( 'The theme cannot be updated due to the following:' ) . '</p>';
$blocked_message .= '<ul class="ul-disc">';
$requires_php = isset( $new_theme_data['RequiresPHP'] ) ? $new_theme_data['RequiresPHP'] : null;
$requires_wp = isset( $new_theme_data['RequiresWP'] ) ? $new_theme_data['RequiresWP'] : null;
if ( ! is_php_version_compatible( $requires_php ) ) {
$error = sprintf(
/* translators: 1: Current PHP version, 2: Version required by the uploaded theme. */
__( 'The PHP version on your server is %1$s, however the uploaded theme requires %2$s.' ),
PHP_VERSION,
$requires_php
);
$blocked_message .= '<li>' . esc_html( $error ) . '</li>';
$can_update = false;
}
if ( ! is_wp_version_compatible( $requires_wp ) ) {
$error = sprintf(
/* translators: 1: Current WordPress version, 2: Version required by the uploaded theme. */
__( 'Your WordPress version is %1$s, however the uploaded theme requires %2$s.' ),
esc_html( wp_get_wp_version() ),
$requires_wp
);
$blocked_message .= '<li>' . esc_html( $error ) . '</li>';
$can_update = false;
}
$blocked_message .= '</ul>';
if ( $can_update ) {
if ( $this->is_downgrading ) {
$warning = sprintf(
/* translators: %s: Documentation URL. */
__( 'You are uploading an older version of the installed theme. You can continue to install the older version, but be sure to <a href="%s">back up your database and files</a> first.' ),
__( 'https://developer.wordpress.org/advanced-administration/security/backup/' )
);
} else {
$warning = sprintf(
/* translators: %s: Documentation URL. */
__( 'You are updating a theme. Be sure to <a href="%s">back up your database and files</a> first.' ),
__( 'https://developer.wordpress.org/advanced-administration/security/backup/' )
);
}
echo '<p class="update-from-upload-notice">' . $warning . '</p>';
$overwrite = $this->is_downgrading ? 'downgrade-theme' : 'update-theme';
$install_actions['overwrite_theme'] = sprintf(
'<a class="button button-primary update-from-upload-overwrite" href="%s" target="_parent">%s</a>',
wp_nonce_url( add_query_arg( 'overwrite', $overwrite, $this->url ), 'theme-upload' ),
_x( 'Replace installed with uploaded', 'theme' )
);
} else {
echo $blocked_message;
}
$cancel_url = add_query_arg( 'action', 'upload-theme-cancel-overwrite', $this->url );
$install_actions['themes_page'] = sprintf(
'<a class="button" href="%s" target="_parent">%s</a>',
wp_nonce_url( $cancel_url, 'theme-upload-cancel-overwrite' ),
__( 'Cancel and go back' )
);
/**
* Filters the list of action links available following a single theme installation failure
* when overwriting is allowed.
*
* @since 5.5.0
*
* @param string[] $install_actions Array of theme action links.
* @param object $api Object containing WordPress.org API theme data.
* @param array $new_theme_data Array with uploaded theme data.
*/
$install_actions = apply_filters( 'install_theme_overwrite_actions', $install_actions, $this->api, $new_theme_data );
if ( ! empty( $install_actions ) ) {
printf(
'<p class="update-from-upload-expired hidden">%s</p>',
__( 'The uploaded file has expired. Please go back and upload it again.' )
);
echo '<p class="update-from-upload-actions">' . implode( ' ', (array) $install_actions ) . '</p>';
}
return true;
}
}
في جولة حصرية داخل “الغرفة الزرقاء” بقناة BBC العربية، نكشف كواليس واحدة من أكثر غرف الأخبار تطورًا في العالم.
كيف الذكاء اصطناعي يتحكم بالبث دون تدخل بشري، لتقدم تجربة بصرية مذهلة.
الفيديو يستعرض كيف تمزج BBC بين التقنية والاحتراف لتصنع نشرات إخبارية من قلب المستقبل.