elementor / core / base / elements-iteration-actions / assets.php

assets.php in Elementor Website Builder – more than just a page builder 3.10.0-dev1, at core/base/elements-iteration-actions/assets.php

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1	<?php
2	namespace Elementor\Core\Base\Elements_Iteration_Actions;
3
4	use Elementor\Conditions;
5	use Elementor\Element_Base;
6	use Elementor\Plugin;
7
8	if ( ! defined( 'ABSPATH' ) ) {
9	exit; // Exit if accessed directly
10	}
11
12	class Assets extends Base {
13	const ASSETS_META_KEY = '_elementor_page_assets';
14
15	// Default value must be empty.
16	private $page_assets;
17
18	// Default value must be empty.
19	private $saved_page_assets;
20
21	public function element_action( Element_Base $element_data ) {
22	$settings = $element_data->get_active_settings();
23	$controls = $element_data->get_controls();
24
25	$element_assets = $this->get_assets( $settings, $controls );
26
27	if ( $element_assets ) {
28	$this->update_page_assets( $element_assets );
29	}
30	}
31
32	public function is_action_needed() {
33	// No need to evaluate in preview mode, will be made in the saving process.
34	if ( ! $this->is_active_page_assets_mode() ) {
35	return false;
36	}
37
38	$page_assets = $this->get_saved_page_assets();
39
40	// When $page_assets is array it means that the assets registration has already been made at least once.
41	if ( is_array( $page_assets ) ) {
42	return false;
43	}
44
45	return true;
46	}
47
48	public function after_elements_iteration() {
49	// In case that the page assets value is empty, it should still be saved as an empty array as an indication that at lease one iteration has occurred.
50	if ( ! is_array( $this->page_assets ) ) {
51	$this->page_assets = [];
52	}
53
54	$this->get_document_assets();
55
56	// Saving the page assets data.
57	$this->document->update_meta( self::ASSETS_META_KEY, $this->page_assets );
58
59	if ( 'render' === $this->mode && $this->page_assets ) {
60	Plugin::$instance->assets_loader->enable_assets( $this->page_assets );
61	}
62	}
63
64	private function get_saved_page_assets( $force_meta_fetch = false ) {
65	if ( ! is_array( $this->saved_page_assets ) \|\| $force_meta_fetch ) {
66	$this->saved_page_assets = $this->document->get_meta( self::ASSETS_META_KEY );
67	}
68
69	return $this->saved_page_assets;
70	}
71
72	private function update_page_assets( $new_assets ) {
73	if ( ! is_array( $this->page_assets ) ) {
74	$this->page_assets = [];
75	}
76
77	foreach ( $new_assets as $assets_type => $assets_type_data ) {
78	if ( ! isset( $this->page_assets[ $assets_type ] ) ) {
79	$this->page_assets[ $assets_type ] = [];
80	}
81
82	foreach ( $new_assets[ $assets_type ] as $asset_name ) {
83	if ( ! isset( $this->page_assets[ $assets_type ][ $asset_name ] ) ) {
84	$this->page_assets[ $assets_type ][] = $asset_name;
85	}
86	}
87	}
88	}
89
90	private function get_assets( $settings, $controls ) {
91	$assets = [];
92
93	foreach ( $settings as $setting_key => $setting ) {
94	if ( ! isset( $controls[ $setting_key ] ) ) {
95	continue;
96	}
97
98	$control = $controls[ $setting_key ];
99
100	// Enabling assets loading from the registered control fields.
101	if ( ! empty( $control['assets'] ) ) {
102	foreach ( $control['assets'] as $assets_type => $dependencies ) {
103	foreach ( $dependencies as $dependency ) {
104	if ( ! empty( $dependency['conditions'] ) ) {
105	$is_condition_fulfilled = Conditions::check( $dependency['conditions'], $settings );
106
107	if ( ! $is_condition_fulfilled ) {
108	continue;
109	}
110	}
111
112	if ( ! isset( $assets[ $assets_type ] ) ) {
113	$assets[ $assets_type ] = [];
114	}
115
116	$assets[ $assets_type ][] = $dependency['name'];
117	}
118	}
119	}
120
121	// Enabling assets loading from the control object.
122	$control_obj = Plugin::$instance->controls_manager->get_control( $control['type'] );
123
124	$control_conditional_assets = $control_obj::get_assets( $setting );
125
126	if ( $control_conditional_assets ) {
127	foreach ( $control_conditional_assets as $assets_type => $dependencies ) {
128	foreach ( $dependencies as $dependency ) {
129	if ( ! isset( $assets[ $assets_type ] ) ) {
130	$assets[ $assets_type ] = [];
131	}
132
133	$assets[ $assets_type ][] = $dependency;
134	}
135	}
136	}
137	}
138
139	return $assets;
140	}
141
142	private function is_active_page_assets_mode() {
143	$is_optimized_mode = Plugin::$instance->experiments->is_feature_active( 'e_optimized_assets_loading' );
144
145	return ! Plugin::$instance->preview->is_preview_mode() && $is_optimized_mode;
146	}
147
148	private function get_document_assets() {
149	$document_id = $this->document->get_post()->ID;
150
151	// Getting the document instance in order to get the most updated settings.
152	$updated_document = Plugin::$instance->documents->get( $document_id, false );
153
154	$document_settings = $updated_document->get_settings();
155
156	$document_controls = $this->document->get_controls();
157
158	$document_assets = $this->get_assets( $document_settings, $document_controls );
159
160	if ( $document_assets ) {
161	$this->update_page_assets( $document_assets );
162	}
163	}
164
165	public function __construct( $document ) {
166	parent::__construct( $document );
167
168	// No need to enable assets in preview mode, all assets will be loaded by default by the assets loader.
169	if ( ! $this->is_active_page_assets_mode() ) {
170	return;
171	}
172
173	$page_assets = $this->get_saved_page_assets();
174
175	// If $page_assets is not empty then enabling the assets for loading.
176	if ( $page_assets ) {
177	Plugin::$instance->assets_loader->enable_assets( $page_assets );
178	}
179	}
180	}
181