| 151 | }; |
| 152 | |
| 153 | beforeOpen() { |
| 154 | const { |
| 155 | appElement, |
| 156 | ariaHideApp, |
| 157 | htmlOpenClassName, |
| 158 | bodyOpenClassName, |
| 159 | parentSelector |
| 160 | } = this.props; |
| 161 | |
| 162 | const parentDocument = |
| 163 | (parentSelector && parentSelector().ownerDocument) || document; |
| 164 | |
| 165 | // Add classes. |
| 166 | bodyOpenClassName && classList.add(parentDocument.body, bodyOpenClassName); |
| 167 | |
| 168 | htmlOpenClassName && |
| 169 | classList.add( |
| 170 | parentDocument.getElementsByTagName("html")[0], |
| 171 | htmlOpenClassName |
| 172 | ); |
| 173 | |
| 174 | if (ariaHideApp) { |
| 175 | ariaHiddenInstances += 1; |
| 176 | ariaAppHider.hide(appElement); |
| 177 | } |
| 178 | |
| 179 | portalOpenInstances.register(this); |
| 180 | } |
| 181 | |
| 182 | afterClose = () => { |
| 183 | const { |