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import { sendWasmModule } from "./helpers.mjs";
// This is done for the window.open() case. For <iframe>s we use the
// <iframe> element's load event instead.
const usp = new URLSearchParams(location.search);
if (usp.has("send-loaded-message")) {
opener.postMessage("loaded", "*");
}
window.onmessage = async (e) => {
// These could come from the parent, opener, or siblings.
if (e.data.constructor === WebAssembly.Module) {
e.source.postMessage("WebAssembly.Module message received", "*");
}
// These could come from the parent or opener.
if (e.data.command === "set document.domain") {
document.domain = e.data.newDocumentDomain;
e.source.postMessage("document.domain is set", "*");
} else if (e.data.command === "get originAgentCluster") {
e.source.postMessage(self.originAgentCluster, "*");
}
// These only come from the parent.
if (e.data.command === "send WASM module") {
const destinationFrameWindow = parent.frames[e.data.indexIntoParentFrameOfDestination];
const whatHappened = await sendWasmModule(destinationFrameWindow);
parent.postMessage(whatHappened, "*");
} else if (e.data.command === "access document") {
const destinationFrameWindow = parent.frames[e.data.indexIntoParentFrameOfDestination];
try {
destinationFrameWindow.document;
parent.postMessage("accessed document successfully", "*");
} catch (e) {
parent.postMessage(e.name, "*");
}
} else if (e.data.command === "access location.href") {
const destinationFrameWindow = parent.frames[e.data.indexIntoParentFrameOfDestination];
try {
destinationFrameWindow.location.href;
parent.postMessage("accessed location.href successfully", "*");
} catch (e) {
parent.postMessage(e.name, "*");
}
} else if (e.data.command === "access frameElement") {
if (frameElement === null) {
parent.postMessage("null", "*");
} else if (frameElement?.constructor?.name === "HTMLIFrameElement") {
parent.postMessage("frameElement accessed successfully", "*");
} else {
parent.postMessage("something wierd happened", "*");
}
}
// We could also receive e.data === "WebAssembly.Module message received",
// but that's handled by await sendWasmModule() above.
};
window.onmessageerror = e => {
e.source.postMessage("messageerror", "*");
};
document.body.textContent = location.href;