public override object Suspend( SuspendInformation toSuspend )
{
// Check whether the necessary data to know which file was open is passed.
if ( toSuspend.CommandLine == null )
{
return null;
}
// TODO: Should we distribute taskkill to ensure it being there?
ProcessHelper.SetUp( @"C:\Windows\System32\taskkill.exe", "/pid " + toSuspend.Process.Id, "", true ).Run();
// Extract file name from commandLine which is in format: "... path/to/notepad.exe" C:\Path\To\File\Without Quotes\text file.txt
Match split = Regex.Match( toSuspend.CommandLine, "\"(.*)\" (.*)" );
return split.Groups[ 2 ].Value;
}
public override object Suspend( SuspendInformation toSuspend )
{
var cabinetWindows = new ShellWindows()
.Cast<InternetExplorer>()
// TODO: Is there a safer way to guarantee that it is actually the explorer we expect it to be?
// For some reason, the process CAN be both "Explorer", and "explorer".
.Where( e => Path.GetFileNameWithoutExtension( e.FullName ).IfNotNull( p => p.ToLower() ) == "explorer" )
.ToList();
var suspendedExplorerWindows = new List<ExplorerLocation>();
foreach ( Window window in toSuspend.Windows )
{
// Check whether the window is an explorer cabinet window. (file browser)
InternetExplorer cabinetWindow = cabinetWindows.FirstOrDefault( e =>
{
try
{
return window.Handle.Equals( new IntPtr( e.HWND ) );
}
catch ( COMException )
{
// This exception is thrown when accessing 'HWND' for some windows.
// TODO: Why is this the case, and do we ever need to handle those windows?
return false;
}
} );
if ( cabinetWindow != null )
{
var persistedData = new ExplorerLocation
{
LocationName = cabinetWindow.LocationName,
LocationUrl = cabinetWindow.LocationURL,
Pidl = cabinetWindow.GetPidl()
};
cabinetWindow.Quit();
suspendedExplorerWindows.Add( persistedData );
}
// TODO: Support other explorer windows, e.g. property windows ...
}
return suspendedExplorerWindows;
}
public override object Suspend( SuspendInformation toSuspend )
{
var chromeWindows = toSuspend.Windows
.Select( w => new WindowInfo( w.Handle ) )
// For some reason, Chrome windows can use two separate classes. The same ones are also used for status bars, but status bars never have a title set.
.Where( w => w.GetClassName().EqualsAny( "Chrome_WidgetWin_0", "Chrome_WidgetWin_1" ) && !w.GetTitle().EqualsAny( "", "Chrome App Launcher" ) );
var persisted = new List<ChromePersistedWindow>();
foreach ( var w in chromeWindows )
{
bool hasRetried = false;
while ( true )
{
try
{
// TODO: The window title is passed in order to be able to identify which window needs to be suspended. This title can change dynamically however, so is there a safer way?
string title = w.GetTitle();
const string chromeSuffix = " - Google Chrome";
if ( title.EndsWith( chromeSuffix ) )
{
title = title.Substring( 0, title.Length - chromeSuffix.Length );
}
persisted.Add( _chromeService.Suspend( title ) );
break;
}
catch ( RemotingException )
{
// When a new server has started, and thus the previous pipe connection was closed, the first call results in a 'pipe is closing' exception.
// A second call however can succeed, now that the connection is aware it was closed, and a reconnect is attempted.
if ( hasRetried )
{
break;
}
hasRetried = true;
}
}
}
return persisted;
}
/// <summary> /// Persists the current state of the application, and then suspends it. /// </summary> /// <param name = "toSuspend">Holds information about the process to suspend.</param> /// <returns>The object which holds the persisted data.</returns> public abstract object Suspend( SuspendInformation toSuspend );
/// <summary> /// Persists the current state of the application, and then suspends it. /// </summary> /// <param name = "toSuspend">Holds information about the process to suspend.</param> /// <returns>The object which holds the persisted data.</returns> public abstract object Suspend(SuspendInformation toSuspend);