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Make the page visibility API pref-controlled.

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This resolves #607.
This commit is contained in:
wolfbeast 2018-07-07 11:24:38 +02:00 • committed by Roy Tam
commit 9949bc6c34
2 changed files with 6 additions and 0 deletions
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3
dom/webidl/Document.webidl
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@ -277,8 +277,11 @@ partial interface Document {
// https://w3c.github.io/page-visibility/#extensions-to-the-document-interface
partial interface Document {
[Pref="dom.visibilityAPI.enabled"]
readonly attribute boolean hidden;
[Pref="dom.visibilityAPI.enabled"]
readonly attribute VisibilityState visibilityState;
[Pref="dom.visibilityAPI.enabled"]
attribute EventHandler onvisibilitychange;
};

3
modules/libpref/init/all.js
View file

@ -155,6 +155,9 @@ pref("dom.select_events.textcontrols.enabled", true);
pref("dom.select_events.textcontrols.enabled", false);
#endif
// Whether or not the document visbility API is enabled
pref("dom.visibilityAPI.enabled", true);
// Whether or not Web Workers are enabled.
pref("dom.workers.enabled", true);