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Diffstat (limited to '')
-rw-r--r-- | browser/actors/RFPHelperChild.sys.mjs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/browser/actors/RFPHelperChild.sys.mjs b/browser/actors/RFPHelperChild.sys.mjs new file mode 100644 index 0000000000..14b17bc2db --- /dev/null +++ b/browser/actors/RFPHelperChild.sys.mjs @@ -0,0 +1,25 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs"; + +const kPrefLetterboxing = "privacy.resistFingerprinting.letterboxing"; + +const lazy = {}; + +XPCOMUtils.defineLazyPreferenceGetter( + lazy, + "isLetterboxingEnabled", + kPrefLetterboxing, + false +); + +export class RFPHelperChild extends JSWindowActorChild { + handleEvent(event) { + if (lazy.isLetterboxingEnabled && event.type == "resize") { + this.sendAsyncMessage("Letterboxing:ContentSizeUpdated"); + } + } +} |