protected override void OnBeforeCommandLineProcessing(string processType, CefCommandLine commandLine)
{
Console.WriteLine("OnBeforeCommandLineProcessing: {0} {1}", processType, commandLine);
// TODO: currently on linux platform location of locales and pack files are determined
// incorrectly (relative to main module instead of libcef.so module).
// Once issue http://code.google.com/p/chromiumembedded/issues/detail?id=668 will be resolved
// this code can be removed.
if (CefRuntime.Platform == CefRuntimePlatform.Linux)
{
var path = new Uri(Assembly.GetEntryAssembly().CodeBase).LocalPath;
path = Path.GetDirectoryName(path);
commandLine.AppendSwitch("resources-dir-path", path);
commandLine.AppendSwitch("locales-dir-path", Path.Combine(path, "locales"));
}
}
protected override void OnBeforeChildProcessLaunch(CefCommandLine commandLine)
{
Console.WriteLine("AppendExtraCommandLineSwitches: {0}", commandLine);
Console.WriteLine(" Program == {0}", commandLine.GetProgram());
// .NET in Windows treat assemblies as native images, so no any magic required.
// Mono on any platform usually located far away from entry assembly, so we want prepare command line to call it correctly.
if (Type.GetType("Mono.Runtime") != null)
{
if (!commandLine.HasSwitch("cefglue"))
{
var path = new Uri(Assembly.GetEntryAssembly().CodeBase).LocalPath;
commandLine.SetProgram(path);
var mono = CefRuntime.Platform == CefRuntimePlatform.Linux ? "/usr/bin/mono" : @"C:\Program Files\Mono-2.10.8\bin\monow.exe";
commandLine.PrependArgument(mono);
commandLine.AppendSwitch("cefglue", "w");
}
}
Console.WriteLine(" -> {0}", commandLine);
}
/// <summary>
/// Called before a child process is launched. Will be called on the browser
/// process UI thread when launching a render process and on the browser
/// process IO thread when launching a GPU or plugin process. Provides an
/// opportunity to modify the child process command line. Do not keep a
/// reference to |command_line| outside of this method.
/// </summary>
protected virtual void OnBeforeChildProcessLaunch(CefCommandLine commandLine)
{
}
/// <summary>
/// Provides an opportunity to view and/or modify command-line arguments before
/// processing by CEF and Chromium. The |process_type| value will be empty for
/// the browser process. Do not keep a reference to the CefCommandLine object
/// passed to this method. The CefSettings.command_line_args_disabled value
/// can be used to start with an empty command-line object. Any values
/// specified in CefSettings that equate to command-line arguments will be set
/// before this method is called. Be cautious when using this method to modify
/// command-line arguments for non-browser processes as this may result in
/// undefined behavior including crashes.
/// </summary>
protected virtual void OnBeforeCommandLineProcessing(string processType, CefCommandLine commandLine)
{
}
/// <summary>
/// Launches the process specified via |command_line|. Returns true upon
/// success. Must be called on the browser process TID_PROCESS_LAUNCHER thread.
///
/// Unix-specific notes:
/// - All file descriptors open in the parent process will be closed in the
/// child process except for stdin, stdout, and stderr.
/// - If the first argument on the command line does not contain a slash,
/// PATH will be searched. (See man execvp.)
/// </summary>
public static bool LaunchProcess(CefCommandLine commandLine)
{
if (commandLine == null) throw new ArgumentNullException("commandLine");
return libcef.launch_process(commandLine.ToNative()) != 0;
}
/// <summary>
/// Provides an opportunity to view and/or modify command-line arguments before
/// processing by CEF and Chromium. The |process_type| value will be empty for
/// the browser process. Do not keep a reference to the CefCommandLine object
/// passed to this method. The CefSettings.command_line_args_disabled value
/// can be used to start with an empty command-line object. Any values
/// specified in CefSettings that equate to command-line arguments will be set
/// before this method is called. Be cautious when using this method to modify
/// command-line arguments for non-browser processes as this may result in
/// undefined behavior including crashes.
/// </summary>
protected virtual void OnBeforeCommandLineProcessing(string processType, CefCommandLine commandLine)
{
}
/// <summary>
/// Returns a writable copy of this object.
/// </summary>
public CefCommandLine Copy()
{
return(CefCommandLine.FromNative(cef_command_line_t.copy(_self)));
}
/// <summary>
/// Create a new CefCommandLine instance.
/// </summary>
public static CefCommandLine Create()
{
return(CefCommandLine.FromNative(cef_command_line_t.create()));
}
/// <summary>
/// Called before a child process is launched. Will be called on the browser
/// process UI thread when launching a render process and on the browser
/// process IO thread when launching a GPU or plugin process. Provides an
/// opportunity to modify the child process command line. Do not keep a
/// reference to |command_line| outside of this method.
/// </summary>
protected virtual void OnBeforeChildProcessLaunch(CefCommandLine commandLine)
{
}
