b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
76 lines
2.4 KiB
JavaScript
76 lines
2.4 KiB
JavaScript
/* Extension world: the browser provides origin/tab/frame identity, never Gaia. */
|
|
(() => {
|
|
if (location.port !== '18765') return;
|
|
const win = window.wrappedJSObject;
|
|
console.info('VULPES Android bridge', location.origin);
|
|
let port;
|
|
let reconnect;
|
|
function connect() {
|
|
port = browser.runtime.connect({ name: 'gaia' });
|
|
port.onMessage.addListener(onMessage);
|
|
port.onDisconnect.addListener(onDisconnect);
|
|
}
|
|
const pending = new Map();
|
|
let seq = 0;
|
|
function request(data) {
|
|
return new window.Promise((resolve, reject) => {
|
|
const id = ++seq;
|
|
pending.set(id, { resolve, reject });
|
|
try {
|
|
port.postMessage({ id, request: JSON.parse(JSON.stringify(data)) });
|
|
} catch (error) {
|
|
pending.delete(id);
|
|
reject(new window.Error('VULPES_HOST_CLOSED'));
|
|
}
|
|
});
|
|
}
|
|
function onMessage(message) {
|
|
if (message.event) {
|
|
win.dispatchEvent(
|
|
new window.CustomEvent('vulpes-service-event', { detail: cloneInto(message.event, win) }),
|
|
);
|
|
return;
|
|
}
|
|
const callback = pending.get(message.id);
|
|
if (!callback) return;
|
|
pending.delete(message.id);
|
|
callback.resolve(cloneInto(message.reply, win));
|
|
}
|
|
function onDisconnect() {
|
|
for (const callback of pending.values())
|
|
callback.reject(new window.Error('VULPES_HOST_CLOSED'));
|
|
pending.clear();
|
|
clearTimeout(reconnect);
|
|
reconnect = setTimeout(() => {
|
|
try {
|
|
connect();
|
|
} catch (_) {
|
|
onDisconnect();
|
|
}
|
|
}, 1000);
|
|
}
|
|
connect();
|
|
addEventListener('unload', () => clearTimeout(reconnect));
|
|
exportFunction(request, win.navigator, { defineAs: 'vulpesRequest' });
|
|
const frames = new Map();
|
|
let nextFrame = 0;
|
|
exportFunction(
|
|
(frame, data) => {
|
|
if (frame.ownerDocument !== window.document || frame.localName !== 'iframe')
|
|
throw new window.Error('INVALID_VIEW');
|
|
let id = [...frames].find(([, f]) => f === frame)?.[0];
|
|
if (!id) {
|
|
id = ++nextFrame;
|
|
frames.set(id, frame);
|
|
}
|
|
const params = JSON.parse(JSON.stringify(data));
|
|
params.contextId = id;
|
|
return request({ version: 1, id: 0, method: 'views.request', params });
|
|
},
|
|
win.navigator,
|
|
{ defineAs: 'vulpesFrameRequest', allowCrossOriginArguments: true },
|
|
);
|
|
exportFunction((id) => frames.get(id) || null, win.navigator, {
|
|
defineAs: 'vulpesFrameForContext',
|
|
});
|
|
})();
|