| 1189 | } |
| 1190 | |
| 1191 | attachEventHandlers() { |
| 1192 | if (this.listenersInstalled) { |
| 1193 | return; |
| 1194 | } |
| 1195 | // passive: false fixes Unable to preventDefault inside passive event |
| 1196 | // listener due to target being treated as passive |
| 1197 | Object.keys(this.documentHandlers).forEach((key) => { |
| 1198 | this.doc.addEventListener(key, this.documentHandlers[key], { passive: false }); |
| 1199 | }); |
| 1200 | |
| 1201 | Object.keys(this.windowHandlers).forEach((key) => { |
| 1202 | window.addEventListener(key, this.windowHandlers[key], { passive: false }); |
| 1203 | }); |
| 1204 | this.listenersInstalled = true; |
| 1205 | } |
| 1206 | |
| 1207 | removeEventHandlers() { |
| 1208 | if (!this.listenersInstalled) { |