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Code Issues Releases Wiki Activity

Updated error case when attempting to show dialog/toast when nobody is logged in

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This commit is contained in:
Bryan Roe
2019-06-14 10:27:49 -07:00
parent 38aea71c35
commit b9617595ab
3 changed files with 68 additions and 25 deletions
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12
microscript/ILibDuktape_Polyfills.c
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File diff suppressed because one or more lines are too long

22
modules/message-box.js
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@@ -132,8 +132,26 @@ function linux_messageBox()
if (timeout == null) { timeout = 10; }
var ret = new promise(function (res, rej) { this._res = res; this._rej = rej; });
var zenity = '', kdialog = '';
var uid = require('user-sessions').consoleUid();
var xinfo = require('monitor-info').getXInfo(uid);
var uid;
var xinfo;
try
{
uid = require('user-sessions').consoleUid();
xinfo = require('monitor-info').getXInfo(uid);
}
catch(e)
{
uid = 0;
xinfo = require('monitor-info').getXInfo(0);
}
if (xinfo == null)
{
ret._rej('This system cannot display a user dialog box when a user is not logged in');
return (ret);
}
var child = require('child_process').execFile('/bin/sh', ['sh']);
child.stdout.str = '';
child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });

59
modules/toaster.js
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@@ -46,23 +46,36 @@ function Toaster()
retVal.title = title;
retVal.caption = caption;
switch (process.platform) {
switch (process.platform)
{
case 'win32':
{
var GM = require('_GenericMarshal');
var kernel32 = GM.CreateNativeProxy('kernel32.dll');
kernel32.CreateMethod('ProcessIdToSessionId');
var psid = GM.CreateVariable(4);
var consoleUid = require('user-sessions').consoleUid();
if (kernel32.ProcessIdToSessionId(process.pid, psid).Val == 0) {
var consoleUid = 0;
try
{
consoleUid = require('user-sessions').consoleUid();
}
catch (e)
{
retVal._rej('Cannot display user notification when a user is not logged in');
return (retVal);
}
if (kernel32.ProcessIdToSessionId(process.pid, psid).Val == 0)
{
retVal._rej('internal error'); return (retVal);
}
if (consoleUid == psid.toBuffer().readUInt32LE()) {
if (consoleUid == psid.toBuffer().readUInt32LE())
{
// We are running on the physical console
retVal._child = require('ScriptContainer').Create({ processIsolation: true });
}
else {
else
{
// We need so spawn the ScriptContainer into the correct session
retVal._child = require('ScriptContainer').Create({ processIsolation: true, sessionId: consoleUid });
}
@@ -89,32 +102,40 @@ function Toaster()
break;
case 'linux':
{
try {
try
{
retVal.consoleUid = require('user-sessions').consoleUid();
retVal.xinfo = require('monitor-info').getXInfo(retVal.consoleUid);
}
catch (xxe) {
catch (xxe)
{
retVal._rej(xxe);
return (retVal);
}
var util = findPath('zenity');
if (util) {
if (util)
{
// Use ZENITY
retVal.child = require('child_process').execFile(util, ['zenity', '--notification', '--title=' + title, '--text=' + caption, '--timeout=5'], { uid: retVal.consoleUid, env: { XAUTHORITY: retVal.xinfo.xauthority, DISPLAY: retVal.xinfo.display } });
retVal.child.parent = retVal;
retVal.child.stderr.str = '';
retVal.child.stderr.on('data', function (chunk) { this.str += chunk.toString(); this.parent.kill(); });
retVal.child.stdout.on('data', function (chunk) { });
retVal.child.on('exit', function (code) {
if (this.stderr.str.trim() != '') {
if ((util = findPath('notify-send')) && this.stderr.str.split('GLib-CRITICAL').length > 1) {
retVal.child.on('exit', function (code)
{
if (this.stderr.str.trim() != '')
{
if ((util = findPath('notify-send')) && this.stderr.str.split('GLib-CRITICAL').length > 1)
{
// This is a bug in zenity, so we should try notify-send
if (process.env['DISPLAY']) {
if (process.env['DISPLAY'])
{
// DISPLAY is set, so we good to go
this.parent.child = require('child_process').execFile(util, ['notify-send', this.parent.title, this.parent.caption]);
this.parent.child.parent = this.parent;
}
else {
else
{
// We need to find the DISPLAY to use
var username = require('user-sessions').getUsername(consoleUid);
this.parent.child = require('child_process').execFile('/bin/sh', ['sh']);
@@ -126,23 +147,27 @@ function Toaster()
this.parent.child.waitExit();
// NOTIFY-SEND has a bug where timeouts don't work, so the default is 5 seconds
this.parent._timeout = setTimeout(function onFakeDismissed(obj) {
this.parent._timeout = setTimeout(function onFakeDismissed(obj)
{
obj._res('DISMISSED');
}, 10000, this.parent);
}
else {
else
{
// Fake a toast using zenity --info
util = findPath('zenity');
this.parent.child = require('child_process').execFile(util, ['zenity', '--info', '--title=' + this.parent.title, '--text=' + this.parent.caption, '--timeout=5'], { uid: this.parent.consoleUid, env: { XAUTHORITY: this.parent.xinfo.xauthority, DISPLAY: this.parent.xinfo.display } });
this.parent.child.parent = this.parent;
this.parent.child.stderr.on('data', function (chunk) { });
this.parent.child.stdout.on('data', function (chunk) { });
this.parent.child.on('exit', function (code) {
this.parent.child.on('exit', function (code)
{
this.parent._res('DISMISSED');
});
}
}
else {
else
{
this.parent._res('DISMISSED');
}
});