userTypedClear was used for two cases:
1) to keep track of whether we were in the middle of a loadURI call. This use is replaced by inLoadURI, which is
more sane when using e10s (though it's hard to be precise there because we're sending all web navigation calls to
the content process and this introduces a degree of asynchronousness that we just have to live with...).
2) to keep track of whether we were between a network start and a corresponding network stop, and whether the user
typed since the load properly started. This is now tracked on a small object on the browser binding, which has
appropriately named method so we're not just incrementing some magic number but actually understand what
we're saying, and so the information we get out (did the user type since this load started or not?) makes sense.
Note that we're keeping userTypedClear in session store information in order to remain backwards compatible.
It becomes a simple boolean-stored-as-int (1 or 0) that indicates whether we quit/crashed/stopped while a load
was pending, or not.
MozReview-Commit-ID: 5NbmVueocC7
This adds tests for issues brought up in bug 231393, bug 264610, bug 302575 and bug 1129564,
all of which fed into the current implementation of userTypedClear/userTypedValue. I intend
to move us away from userTypedClear, but I'm keen not to regress any of these issues, so
I'm adding automated tests to ensure that doesn't happen.
MozReview-Commit-ID: 1up2MIXzkzG
Bug 1243549 fixed a race condition during SessionFile startup which
could cause calls to SessionFile.write to send messages to the worker
before it was initialized. The fix consisted in waiting until
initialization was complete before proceeding.
As it turns out, there are cases in which we send messages to the
worker without ever attempting to initialize it, so this wait ends up
causing a hang/shutdown.
This patch fixes the issue by making sure that any message sent to the
worker first initializes the worker if it hasn't been initialized
yet. Since initializing the worker requires us reading the session
store files to find out which one is valid, well, we do exactly that.
MozReview-Commit-ID: 1bOgCaF6ahM
Be warned. Do not attemp to change the .js "test" source code in ./js
They are meant to check
- the outdated 0666 octal constant is still parsed correctly,
- the outdated 0666 octal constant raises syntax error flag
in strict mode, etc.
So leave them alone.
While investigating bug 1243549, we encountered several instances of the following error message during each startup:
*************************
A coding exception was thrown and uncaught in a Task.
Full message: TypeError: this.Paths is null
Full stack: Agent.wipe@resource:///modules/sessionstore/SessionWorker.js:296:7
worker.dispatch@resource:///modules/sessionstore/SessionWorker.js:21:24
anonymous/AbstractWorker.prototype.handleMessage@resource://gre/modules/workers/PromiseWorker.js:122:16
@resource:///modules/sessionstore/SessionWorker.js:30:41
*************************
These messages can be explained as follows:
* If sanitization has failed during shutdown, it attempts again to
sanitize during startup. This happens more often than it used to,
because of 1/ startup bug fixes in bug 1089695; 2/ new shutdown bugs
most likely also added by or around bug 1089695.
* Sanitization during startup doesn't wait until Session Restore has
properly started to sanitize the session. So sanitization of Session
Restore file fails. This has probably always been the case, except
we never noticed.
* For some reason I do not understand, it attempts to sanitize several
times.
* I suspect that this can cause problems during startup, as
sanitization and Session Restore race to use/remove the files of
Session Restore.
This patch makes sure that SessionFile.wipe() waits until
initialization of SessionFile is complete before proceeding.
