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const FRAME_URL = "http://example.org/";
const METHODS = {
setVisible: {},
getVisible: {},
setActive: {},
getActive: {},
addNextPaintListener: {},
removeNextPaintListener: {},
sendMouseEvent: {},
sendTouchEvent: {},
goBack: {},
goForward: {},
reload: {},
stop: {},
download: {},
purgeHistory: {},
getScreenshot: {},
zoom: {},
getCanGoBack: {},
getCanGoForward: {},
getContentDimensions: {},
setInputMethodActive: {},
findAll: {},
findNext: {},
clearMatch: {},
executeScript: {},
getWebManifest: {},
mute: {},
unmute: {},
getMuted: {},
setVolume: {},
getVolume: {},
};
const ATTRIBUTES = [
"allowedAudioChannels",
];
function once(target, eventName, useCapture = false) {
info("Waiting for event: '" + JSON.stringify(eventName) + "' on " + target + ".");
return new Promise(resolve => {
for (let [add, remove] of [
["addEventListener", "removeEventListener"],
["addMessageListener", "removeMessageListener"],
]) {
if ((add in target) && (remove in target)) {
eventName.forEach(evName => {
target[add](evName, function onEvent(...aArgs) {
info("Got event: '" + evName + "' on " + target + ".");
target[remove](evName, onEvent, useCapture);
resolve(aArgs);
}, useCapture);
});
break;
}
}
});
}
function* loadFrame(attributes = {}) {
let iframe = document.createElement("iframe");
iframe.setAttribute("src", FRAME_URL);
for (let key in attributes) {
iframe.setAttribute(key, attributes[key]);
}
let loaded = once(iframe, [ "load", "mozbrowserloadend" ]);
document.body.appendChild(iframe);
yield loaded;
return iframe;
}
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