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authortoasted-nutbread <toasted-nutbread@users.noreply.github.com>2019-12-01 15:19:21 -0500
committertoasted-nutbread <toasted-nutbread@users.noreply.github.com>2019-12-01 15:19:21 -0500
commita7e4901f728ac3069d9ae6a185b44971178a10a0 (patch)
tree8cfcf107e1cf74e6c44f9ebba8c84749fbfb902c /ext/bg/js/settings.js
parent403b86675d288a8082125475f87f9b1740e3480a (diff)
Move PageExitPrevention to its own file
Diffstat (limited to 'ext/bg/js/settings.js')
-rw-r--r--ext/bg/js/settings.js46
1 files changed, 0 insertions, 46 deletions
diff --git a/ext/bg/js/settings.js b/ext/bg/js/settings.js
index abe6f389..9e9604e2 100644
--- a/ext/bg/js/settings.js
+++ b/ext/bg/js/settings.js
@@ -223,52 +223,6 @@ $(document).ready(() => onReady());
/*
- * Page exit prevention
- */
-
-class PageExitPrevention {
- constructor() {
- }
-
- start() {
- PageExitPrevention._addInstance(this);
- }
-
- end() {
- PageExitPrevention._removeInstance(this);
- }
-
- static _addInstance(instance) {
- const size = PageExitPrevention._instances.size;
- PageExitPrevention._instances.set(instance, true);
- if (size === 0) {
- window.addEventListener('beforeunload', PageExitPrevention._onBeforeUnload);
- }
- }
-
- static _removeInstance(instance) {
- if (
- PageExitPrevention._instances.delete(instance) &&
- PageExitPrevention._instances.size === 0
- ) {
- window.removeEventListener('beforeunload', PageExitPrevention._onBeforeUnload);
- }
- }
-
- static _onBeforeUnload(e) {
- if (PageExitPrevention._instances.size === 0) {
- return;
- }
-
- e.preventDefault();
- e.returnValue = '';
- return '';
- }
-}
-PageExitPrevention._instances = new Map();
-
-
-/*
* Appearance
*/