Backed out changeset 434a86b48ee0 (bug 1129567) because it wasn't meant to land on trunk.

This commit is contained in:
Ryan VanderMeulen 2015-02-05 10:39:12 -05:00
parent e8e0e0c2b0
commit 5f7e590a4b

View File

@ -14,11 +14,10 @@ const { getAttachEventType, WorkerHost } = require('./content/utils');
const { Class } = require('./core/heritage');
const { Disposable } = require('./core/disposable');
const { WeakReference } = require('./core/reference');
const { Worker } = require('./deprecated/sync-worker');
const { Worker } = require('./content/worker');
const { EventTarget } = require('./event/target');
const { on, emit, once, setListeners } = require('./event/core');
const { on: domOn, removeListener: domOff } = require('./dom/events');
const { pipe } = require('./event/utils');
const { isRegExp, isUndefined } = require('./lang/type');
const { merge } = require('./util/object');
const { windowIterator } = require('./deprecated/window-utils');
@ -114,7 +113,6 @@ const PageMod = Class({
modContract.properties(modelFor),
EventTarget,
Disposable,
WeakReference
],
extends: WorkerHost(workerFor),
setup: function PageMod(options) {
@ -191,6 +189,10 @@ function applyOnExistingDocuments (mod) {
getTabs().forEach(tab => {
// Fake a newly created document
let window = getTabContentWindow(tab);
// on startup with e10s, contentWindow might not exist yet,
// in which case we will get notified by "document-element-inserted".
if (!window || !window.frames)
return;
let uri = getTabURI(tab);
if (has(mod.attachTo, "top") && modMatchesURI(mod, uri))
onContent(mod, window);
@ -213,11 +215,15 @@ function createWorker (mod, window) {
onError: (e) => emit(mod, 'error', e)
});
workers.set(mod, worker);
pipe(worker, mod);
emit(mod, 'attach', worker);
once(worker, 'detach', function detach() {
worker.destroy();
});
worker.on('*', (event, ...args) => {
// worker's "attach" event passes a window as the argument
// page-mod's "attach" event needs a worker
if (event === 'attach')
emit(mod, event, worker)
else
emit(mod, event, ...args);
})
once(worker, 'detach', () => worker.destroy());
}
function onContent (mod, window) {
@ -256,6 +262,20 @@ function onContent (mod, window) {
return;
domOff(window, eventName, onReady, true);
createWorker(mod, window);
// Attaching is asynchronous so if the document is already loaded we will
// miss the pageshow event so send a synthetic one.
if (window.document.readyState == "complete") {
mod.on('attach', worker => {
try {
worker.send('pageshow');
emit(worker, 'pageshow');
}
catch (e) {
// This can fail if an earlier attach listener destroyed the worker
}
});
}
}, true);
}