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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /browser/extensions/webcompat/lib/shim_messaging_helper.js | |
parent | Initial commit. (diff) | |
download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'browser/extensions/webcompat/lib/shim_messaging_helper.js')
-rw-r--r-- | browser/extensions/webcompat/lib/shim_messaging_helper.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/browser/extensions/webcompat/lib/shim_messaging_helper.js b/browser/extensions/webcompat/lib/shim_messaging_helper.js new file mode 100644 index 0000000000..ee109713a5 --- /dev/null +++ b/browser/extensions/webcompat/lib/shim_messaging_helper.js @@ -0,0 +1,65 @@ +/* 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/. */ + +"use strict"; + +/* globals browser */ + +if (!window.Shims) { + window.Shims = new Map(); +} + +if (!window.ShimsHelperReady) { + window.ShimsHelperReady = true; + + browser.runtime.onMessage.addListener(details => { + const { shimId, warning } = details; + if (!shimId) { + return; + } + window.Shims.set(shimId, details); + if (warning) { + console.warn(warning); + } + }); + + async function handleMessage(port, shimId, messageId, message) { + let response; + const shim = window.Shims.get(shimId); + if (shim) { + const { needsShimHelpers, origin } = shim; + if (origin === location.origin) { + if (needsShimHelpers?.includes(message)) { + const msg = { shimId, message }; + try { + response = await browser.runtime.sendMessage(msg); + } catch (_) {} + } + } + } + port.postMessage({ messageId, response }); + } + + window.addEventListener( + "ShimConnects", + e => { + e.stopPropagation(); + e.preventDefault(); + const { port, pendingMessages, shimId } = e.detail; + const shim = window.Shims.get(shimId); + if (!shim) { + return; + } + port.onmessage = ({ data }) => { + handleMessage(port, shimId, data.messageId, data.message); + }; + for (const [messageId, message] of pendingMessages) { + handleMessage(port, shimId, messageId, message); + } + }, + true + ); + + window.dispatchEvent(new CustomEvent("ShimHelperReady")); +} |