mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
74 lines
2.0 KiB
JavaScript
74 lines
2.0 KiB
JavaScript
var state = "from_scope";
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var resolvePromiseCallback;
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onfetch = function(event) {
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if (event.request.url.indexOf("lifetime_frame.html") >= 0) {
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event.respondWith(new Response("iframe_lifetime"));
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return;
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}
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if (!event.client) {
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dump("ERROR: no client to post the message to!\n");
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dump("request.url=" + event.request.url + "\n");
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return;
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}
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event.client.postMessage({type: "fetch", state: state});
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if (event.request.url.indexOf("update") >= 0) {
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state = "update";
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} else if (event.request.url.indexOf("wait") >= 0) {
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event.respondWith(new Promise(function(res, rej) {
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if (resolvePromiseCallback) {
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dump("ERROR: service worker was already waiting on a promise.\n");
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}
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resolvePromiseCallback = function() {
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res(new Response("resolve_respondWithPromise"));
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};
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}));
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state = "wait";
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} else if (event.request.url.indexOf("release") >= 0) {
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state = "release";
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resolvePromise();
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}
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}
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function resolvePromise() {
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if (resolvePromiseCallback === undefined || resolvePromiseCallback == null) {
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dump("ERROR: wait promise was not set.\n");
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return;
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}
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resolvePromiseCallback();
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resolvePromiseCallback = null;
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}
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onmessage = function(event) {
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// FIXME(catalinb): we cannot treat these events as extendable
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// yet. Bug 1143717
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event.source.postMessage({type: "message", state: state});
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state = event.data;
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if (event.data === "release") {
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resolvePromise();
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}
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}
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onpush = function(event) {
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// FIXME(catalinb): push message carry no data. So we assume the only
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// push message we get is "wait"
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clients.matchAll().then(function(client) {
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if (client.length == 0) {
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dump("ERROR: no clients to send the response to.\n");
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}
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client[0].postMessage({type: "push", state: state});
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state = "wait";
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event.waitUntil(new Promise(function(res, rej) {
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if (resolvePromiseCallback) {
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dump("ERROR: service worker was already waiting on a promise.\n");
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}
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resolvePromiseCallback = res;
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}));
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});
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}
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