diff options
| -rw-r--r-- | dom/webidl/Document.webidl | 3 | ||||
| -rw-r--r-- | modules/libpref/init/all.js | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/dom/webidl/Document.webidl b/dom/webidl/Document.webidl index 0b8c278fe..904b1fb77 100644 --- a/dom/webidl/Document.webidl +++ b/dom/webidl/Document.webidl @@ -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; }; diff --git a/modules/libpref/init/all.js b/modules/libpref/init/all.js index d135f9309..beab06aff 100644 --- a/modules/libpref/init/all.js +++ b/modules/libpref/init/all.js @@ -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); |