Complex classes like Jetpack_VideoPress often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Jetpack_VideoPress, and based on these observations, apply Extract Interface, too.
1 | <?php |
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6 | class Jetpack_VideoPress { |
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7 | /** @var string */ |
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8 | public $module = 'videopress'; |
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9 | |||
10 | /** @var int */ |
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11 | public $version = 5; |
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12 | |||
13 | /** |
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14 | * Singleton |
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15 | */ |
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16 | public static function init() { |
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25 | |||
26 | /** |
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27 | * Jetpack_VideoPress constructor. |
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28 | * |
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29 | * Sets up the initializer and makes sure that videopress activates and deactivates properly. |
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30 | */ |
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31 | private function __construct() { |
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36 | |||
37 | /** |
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38 | * Fires on init |
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39 | */ |
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40 | public function on_init() { |
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59 | |||
60 | /** |
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61 | * Runs when the VideoPress module is deactivated. |
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62 | */ |
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63 | public function jetpack_module_deactivated() { |
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66 | |||
67 | /** |
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68 | * A can of coke |
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69 | * |
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70 | * Similar to current_user_can, but internal to VideoPress. Returns |
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71 | * true if the given VideoPress capability is allowed by the given user. |
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72 | */ |
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73 | public function can( $cap, $user_id = false ) { |
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98 | |||
99 | /** |
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100 | * Returns true if the provided user is the Jetpack connection owner. |
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101 | */ |
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102 | public function is_connection_owner( $user_id = false ) { |
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111 | |||
112 | /** |
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113 | * Register and enqueue VideoPress admin styles. |
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114 | */ |
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115 | public function enqueue_admin_styles() { |
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119 | |||
120 | /** |
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121 | * Register VideoPress admin scripts. |
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122 | */ |
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123 | public function enqueue_admin_scripts() { |
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173 | |||
174 | /** |
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175 | * An override for the attachment url, which returns back the WPCOM VideoPress processed url. |
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176 | * |
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177 | * This is an action proxy to the videopress_get_attachment_url() utility function. |
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178 | * |
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179 | * @param string $url |
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180 | * @param int $post_id |
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181 | * |
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182 | * @return string |
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183 | */ |
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184 | public function update_attachment_url_for_videopress( $url, $post_id ) { |
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191 | |||
192 | /** |
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193 | * Modify the default plupload config to turn on videopress specific filters. |
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194 | */ |
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195 | public function videopress_pluploder_config( $config ) { |
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208 | |||
209 | |||
210 | /** |
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211 | * Helper function to determine if the media uploader should be overridden. |
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212 | * |
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213 | * The rules are simple, only try to load the script when on the edit post or new post pages. |
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214 | * |
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215 | * @return bool |
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216 | */ |
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217 | protected function should_override_media_uploader() { |
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241 | |||
242 | /** |
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243 | * A work-around / hack to make it possible to go to the media library with the add new box open. |
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244 | * |
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245 | * @return bool |
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246 | */ |
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247 | public function print_in_footer_open_media_add_new() { |
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274 | |||
275 | /** |
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276 | * Makes sure that all video mimes are added in, as multi site installs can remove them. |
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277 | * |
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278 | * @param array $existing_mimes |
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279 | * @return array |
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280 | */ |
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281 | public function add_video_upload_mimes( $existing_mimes = array() ) { |
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294 | |||
295 | /** |
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296 | * Filter designed to get rid of non video mime types. |
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297 | * |
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298 | * @param string $value |
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299 | * @return int |
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300 | */ |
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301 | public function filter_video_mimes( $value ) { |
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304 | |||
305 | /** |
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306 | * @param string $icon |
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307 | * @param string $mime |
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308 | * @param int $post_id |
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309 | * |
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310 | * @return string |
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311 | */ |
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312 | public function wp_mime_type_icon( $icon, $mime, $post_id ) { |
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326 | |||
327 | /** |
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328 | * @param array $extensions |
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329 | * |
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330 | * @return array |
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331 | */ |
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332 | public function add_videopress_extenstion( $extensions ) { |
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337 | } |
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338 | |||
341 |