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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
BrowserWindowTracker: "resource:///modules/BrowserWindowTracker.sys.mjs",
DownloadsCommon: "resource:///modules/DownloadsCommon.sys.mjs",
});
const L10MessageSelectorMap = {
"crashed:open": "file-picker-crashed-open",
"crashed:save-somewhere": "file-picker-crashed-save-somewhere",
"crashed:save-nowhere": "file-picker-crashed-save-nowhere",
"failed:open": "file-picker-failed-open",
"failed:save-somewhere": "file-picker-failed-save-somewhere",
"failed:save-nowhere": "file-picker-failed-save-nowhere",
};
export const FilePickerCrashed = {
async observe(subject, topic, _data) {
const bag = subject.QueryInterface(Ci.nsIPropertyBag2);
const ctx = bag.getPropertyAsInterface("ctx", Ci.nsILoadContext);
const nbox = (() => {
let window = ctx.topChromeWindow;
// If our associated window isn't a browser window (e.g., it's an
// extension window or the History window or the like), just grab the
// topmost browser window.
if (!window?.gBrowser) {
window = lazy.BrowserWindowTracker.getTopWindow();
}
// If there _is_ no topmost browser window... throw an error and hope it
// shows up in logs somewhere?
if (!window) {
const err = new Error(
"file picker crashed, but no browser windows were available to report this"
);
// (for further investigation via the browser console, if that's accessible)
console.error({ err, bag, ctx });
throw err;
}
// This will get the notification-box for the window's currently-shown
// tab, which may or may not be the tab which attempted to spawn a
// file-dialog. This only really matters for delayed-open but instafailing
// save-dialogs; hopefully the filename will presumably be sufficient to
// disambiguate.
return window.gBrowser.getNotificationBox();
})();
const mode = bag.getPropertyAsUint32("mode");
const isCrash = bag.getPropertyAsBool("crash");
const isOpen = mode != Ci.nsIFilePicker.modeSave;
const file = (() => {
if (isOpen) {
return null;
}
try {
return bag.getPropertyAsInterface("file", Ci.nsIFile);
} catch (e) {
// property presumably not present; proceed
}
try {
// This probably isn't user-actionable, but may be useful to developers
const file_error = bag.getPropertyAsUint32("file-error");
console.error(
"Failed to get fallback file location: nsresult 0x" +
file_error.toString(16).padLeft(8, 0)
);
} catch (e) {
// Report this meta-error to the browser console; then continue onward to
// also report the original failure.
console.error(e);
}
return null;
})();
const cause = isCrash ? "crashed" : "failed";
const consequence = isOpen
? "open"
: "save-" + (file ? "somewhere" : "nowhere");
const msgId = L10MessageSelectorMap[cause + ":" + consequence];
const label = {
"l10n-id": msgId,
"l10n-args": file ? { path: file.path } : {},
};
const buttons = [];
/* TODO(rkraesig): add "More Info" button? */
// Offer to show the file's location, if one is provided.
if (file) {
buttons.push({
"l10n-id": "file-picker-crashed-show-in-folder",
callback() {
lazy.DownloadsCommon.showDownloadedFile(file);
},
});
}
const notification = await nbox.appendNotification(
topic,
{
label,
image: "chrome://global/skin/icons/error.svg",
priority: nbox.PRIORITY_CRITICAL_LOW,
},
buttons
);
// Persist the notification until the user removes it.
notification.persistence = -1;
},
};