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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/html/capability-delegation/resources/utils.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | testing/web-platform/tests/html/capability-delegation/resources/utils.js | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/capability-delegation/resources/utils.js b/testing/web-platform/tests/html/capability-delegation/resources/utils.js new file mode 100644 index 0000000000..575028763e --- /dev/null +++ b/testing/web-platform/tests/html/capability-delegation/resources/utils.js @@ -0,0 +1,55 @@ +// Returns a Promise that gets resolved with `event.data` when `window` receives from `source` a +// "message" event whose `event.data.type` matches the string `message_data_type`. +function getMessageData(message_data_type, source) { + return new Promise(resolve => { + function waitAndRemove(e) { + if (e.source != source || !e.data || e.data.type != message_data_type) + return; + window.removeEventListener("message", waitAndRemove); + resolve(e.data); + } + window.addEventListener("message", waitAndRemove); + }); +} + +// A helper that simulates user activation on the current frame if `activate` is true, then posts +// `message` to `frame` with the target `origin` and specified `capability` to delegate. This helper +// awaits and returns a Promise fulfilled with the result message sent in reply from `frame`. +// However, if the `postMessage` call fails, the helper returns a Promise rejected with the +// exception. +async function postCapabilityDelegationMessage(frame, message, origin, capability, activate) { + let result_promise = getMessageData("result", frame); + + if (activate) + await test_driver.bless(); + + let postMessageOptions = {targetOrigin: origin}; + if (capability) + postMessageOptions["delegate"] = capability; + try { + frame.postMessage(message, postMessageOptions); + } catch (exception) { + return Promise.reject(exception); + } + + return await result_promise; +} + +// Returns the name of a capability for which `postMessage` delegation is supported by the user +// agent, or undefined if no such capability is found. +async function findOneCapabilitySupportingDelegation() { + const capabilities = ["fullscreen", "payment", "display-capture"]; + + for (let i = 0; i < capabilities.length; i++) { + try { + await postCapabilityDelegationMessage(window, "any_message", "/", capabilities[i], false); + assert_unreached(); + } catch (exception) { + if (exception.name != "NotSupportedError") + return capabilities[i]; + // Ignore all other exceptions to continue searching through the list. + } + }; + + return undefined; +} |