/// <summary>
/// Create a AutoJSContext using the SafeJSContext.
/// If context is IntPtr.Zero use the SafeJSContext
/// (but SafeJSContext doesn't contain a Global object then try the BackstageJSContext instead)
/// </summary>
/// <param name="context"></param>
public AutoJSContext(IntPtr context)
{
// We can't just use nsIXPConnect::GetSafeJSContext(); because its marked as [noxpcom, nostdcall]
// TODO: Enhance IDL compiler to not generate methods for noxpcom, nostdcall tagged methods.
if (context == IntPtr.Zero)
{
context = GlobalJSContextHolder.SafeJSContext;
}
IntPtr globalObject = GetGlobalFromContext(context);
if (globalObject == IntPtr.Zero && context == GlobalJSContextHolder.SafeJSContext)
{
context = GlobalJSContextHolder.BackstageJSContext;
globalObject = GetGlobalFromContext(context);
}
if (globalObject == IntPtr.Zero)
{
throw new InvalidOperationException("JSContext don't store their default compartment object on the cx.");
}
_defaultCompartment = new JSAutoCompartment(context, globalObject);
_cx = context;
}
public void Dispose()
{
if (_defaultCompartment != null)
{
_defaultCompartment.Dispose();
}
_defaultCompartment = null;
GC.SuppressFinalize(this);
}
public void Dispose()
{
#if DEBUG
if (_contextStack.Peek() != this)
{
throw new Exception("Missing dispose.");
}
#endif
_contextStack.Pop();
if (_defaultCompartment != null)
{
_defaultCompartment.Dispose();
}
_defaultCompartment = null;
GC.SuppressFinalize(this);
}
public void Dispose()
{
if (_compartmentStack != null)
{
while (_compartmentStack.Count > 0)
{
_compartmentStack.Pop().Dispose();
}
_compartmentStack = null;
}
if (_defaultCompartment != null)
{
_defaultCompartment.Dispose();
}
_defaultCompartment = null;
GC.SuppressFinalize(this);
}
public AutoJSContext(nsIDOMWindow window)
{
var context = SafeJSContext;
var go = (nsIGlobalObject)window;
using (var xpc = new ComPtr <nsIGlobalObject>(go, false))
{
int slot = xpc.GetSlotOfComMethod(new Func <IntPtr>(go.GetGlobalJSObject));
var getGlobalJSObject = xpc.GetComMethod <GetGlobalJSObject>(Xpcom.IsLinux ? 3 : slot);
_globalJSObject = getGlobalJSObject(go);
if (_globalJSObject == IntPtr.Zero)
{
throw new ArgumentException(
"Window does not have a global JSObject. Purhaps the window doesn't have an initalized document?");
}
_contextToGlobalDictionary[context] = _globalJSObject;
_defaultCompartment = new JSAutoCompartment(SafeJSContext, _globalJSObject);
_cx = context;
_window = window;
}
}
/// <summary>
/// Create a AutoJSContext using the SafeJSContext.
/// If context is IntPtr.Zero use the SafeJSContext
/// </summary>
/// <param name="context"></param>
public AutoJSContext(IntPtr context)
{
// We can't just use nsIXPConnect::GetSafeJSContext(); because its marked as [noxpcom, nostdcall]
if (context == IntPtr.Zero)
{
context = GlobalJSContextHolder.SafeJSContext;
}
IntPtr globalObject = SpiderMonkey.CurrentGlobalOrNull(context);
if (globalObject == IntPtr.Zero)
{
globalObject = SpiderMonkey.DefaultObjectForContextOrNull(context);
if (globalObject == IntPtr.Zero)
{
throw new InvalidOperationException("JSContext don't store their default compartment object on the cx.");
}
_defaultCompartment = new JSAutoCompartment(context, globalObject);
}
_cx = context;
}
/// <summary>
/// Create a AutoJSContext using the SafeJSContext.
/// If context is IntPtr.Zero use the SafeJSContext
/// </summary>
/// <param name="context"></param>
public AutoJSContext(IntPtr context)
{
// We can't just use nsIXPConnect::GetSafeJSContext(); because its marked as [noxpcom, nostdcall]
if (context == IntPtr.Zero)
{
context = GlobalJSContextHolder.SafeJSContext;
}
IntPtr globalObject = SpiderMonkey.CurrentGlobalOrNull(context);
if (globalObject == IntPtr.Zero)
{
globalObject = SpiderMonkey.DefaultObjectForContextOrNull(context);
if (globalObject == IntPtr.Zero)
throw new InvalidOperationException("JSContext don't store their default compartment object on the cx.");
_defaultCompartment = new JSAutoCompartment(context, globalObject);
}
_cx = context;
}
public void Dispose()
{
if (_compartmentStack != null)
{
while (_compartmentStack.Count > 0)
_compartmentStack.Pop().Dispose();
_compartmentStack = null;
}
if (_defaultCompartment != null)
_defaultCompartment.Dispose();
_defaultCompartment = null;
GC.SuppressFinalize(this);
}
void Upload_Click(object sender, RoutedEventArgs e)
{
string message;
if (ValidateArduinoSetup(ArduinoPath, Programmers, SelectedProgrammer, ProgrammerPorts, SelectedPort, true, out message))
{
string jsResults;
using (AutoJSContext context = new AutoJSContext(_browser.Window.JSContext))
using (JSAutoCompartment compartment = new JSAutoCompartment(context, (nsISupports)_browser.Window.DomWindow))
{
context.EvaluateScript("(Blockly.Generator.workspaceToCode('Arduino'))", out jsResults);
}
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(_browser.ClientRectangle.Width, _browser.ClientRectangle.Height);
_browser.DrawToBitmap(bmp, _browser.ClientRectangle);
var screenshot = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
bmp.GetHbitmap(),
IntPtr.Zero,
System.Windows.Int32Rect.Empty,
BitmapSizeOptions.FromWidthAndHeight(bmp.Width, bmp.Height));
//The following is like 3 card Monty with threads and contexts, but it does work ;)
var loadingWindow = new UploadingWindow() { Owner = this, WindowStartupLocation = System.Windows.WindowStartupLocation.CenterOwner};
loadingWindow.BlocksImage.Source = screenshot;
IsEnabled = false;
loadingWindow.Loaded += (s, ev) => {
Task.Run(() =>
{
string errorText;
bool result = SendToArduino(true, jsResults, out errorText);
Dispatcher.InvokeAsync(() =>
{
loadingWindow.Close();
IsEnabled = true;
if (result)
{
MessageBox.Show(this, "Success!" ,"Upload Complete!",MessageBoxButton.OK,MessageBoxImage.Information);
}
else
{
MessageBox.Show(this, "There were problems:\n" + errorText ?? "UNKNOWN ERROR","Upload Failed :(", MessageBoxButton.OK,
MessageBoxImage.Error);
}
} );
});
};
loadingWindow.ShowDialog();
}
}
void OpenInIDE_Click(object sender, RoutedEventArgs e)
{
string message;
if (ValidateArduinoSetup(ArduinoPath, Programmers, SelectedProgrammer, ProgrammerPorts, SelectedPort, false, out message))
{
string jsResults;
using (AutoJSContext context = new AutoJSContext(_browser.Window.JSContext))
using (JSAutoCompartment compartment = new JSAutoCompartment(context, (nsISupports)_browser.Window.DomWindow))
{
context.EvaluateScript("(Blockly.Generator.workspaceToCode('Arduino'))", out jsResults);
}
string errorText;
SendToArduino(false, jsResults, out errorText);
}
else
{
MessageBox.Show(message, "There is a problem with your setup");
}
}
void NotifyWebAppisHosted(string webAppVersionString)
{
WebAppVersion = webAppVersionString;
string jsResults;
using (var context = new AutoJSContext(_browser.Window.JSContext))
using (new JSAutoCompartment(context, (nsISupports)_browser.Window.DomWindow))
{
context.EvaluateScript("hostedAppSetup();", out jsResults);
}
//This loads the last saved program. We know at this point that everything should be working in Blockly.
if (!string.IsNullOrWhiteSpace(Settings.Default.SavedProgram))
{
string tempPath = IOPath.Combine(IOPath.GetTempPath(), IOPath.GetRandomFileName());
Directory.CreateDirectory(tempPath);
string tempLoadingFile = IOPath.Combine(tempPath, "temp_blocks.xml");
using (var file = File.OpenWrite(tempLoadingFile))
using (var sw = new StreamWriter(file))
{
sw.Write(Settings.Default.SavedProgram);
}
_tempPathsCreated.Add(tempPath);
string fileUri = "file://" + new FileInfo(tempLoadingFile).FullName;
using (var context = new AutoJSContext(_browser.Window.JSContext))
using (var compartment = new JSAutoCompartment(context, (nsISupports)_browser.Window.DomWindow))
{
string output;
context.EvaluateScript("load_by_url('" + fileUri.Replace("\\", "/") + "');", out output);
}
}
}
void Load_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog dlg = new OpenFileDialog()
{
Filter = "Robot Block Files | *.blocks"
};
if (dlg.ShowDialog(this) ?? false)
{
string tempPath = IOPath.Combine(IOPath.GetTempPath(), IOPath.GetRandomFileName());
Directory.CreateDirectory(tempPath);
string tempLoadingFile = IOPath.Combine(tempPath, "temp_blocks.xml");
File.Copy(dlg.FileName, tempLoadingFile, true);
_tempPathsCreated.Add(tempPath);
string fileUri = "file://" + new FileInfo(tempLoadingFile).FullName;
using (var context = new AutoJSContext(_browser.Window.JSContext))
using (var compartment = new JSAutoCompartment(context, (nsISupports)_browser.Window.DomWindow))
{
string output;
context.EvaluateScript("load_by_url('" + fileUri.Replace("\\", "/") + "');", out output);
}
}
}
