/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="__dirname">The directory name of the current module. This the same as the path.dirname() of the __filename.</param>
/// <returns></returns>
public async Task <object> Invoke(string __dirname)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
app = await App.Instance();
// We use app.IsReady instead of listening for the 'ready'event.
// By the time we get here from the main.js module the 'ready' event has
// already fired.
if (await app.IsReady())
{
windowId = await CreateWindow(__dirname);
}
var ipcMain = await IpcMain.Create();
await ipcMain.AddListener("submitform",
new IpcMainEventListener(
async(result) =>
{
var state = result.CallbackState as object[];
var ipcMainEvent = (IpcMainEvent)state[0];
var parms = state[1] as object[];
var engineCompleteHandler = new EventHandler <MediaToolkit.ConversionCompleteEventArgs>(
async(s, e) =>
{
await ipcMainEvent.Sender.Send("completed");
await mainWindow.SetProgressBar(-1,
new ProgressBarOptions()
{
Mode = ProgressBarMode.None
});
}
);
var engineProgressHandler = new EventHandler <MediaToolkit.ConvertProgressEventArgs>(
async(s, e) =>
{
var progress = (float)((float)e.ProcessedDuration.Ticks / e.TotalDuration.Ticks);
await mainWindow.SetProgressBar(progress, new ProgressBarOptions()
{
Mode = ProgressBarMode.Normal
});
}
);
var outputFile = System.IO.Path.Combine(parms[1].ToString(), parms[2].ToString());
try
{
await Task.Run(() =>
Convert.FFMPEGWrapper.Convert(parms[0].ToString(),
outputFile,
engineProgressHandler,
engineCompleteHandler)
);
}
catch (Exception convertExc)
{
var errDialog = await Dialog.Instance();
await errDialog.ShowErrorBox("FFMPeg engine failure", convertExc.Message);
await ipcMainEvent.Sender.Send("completedWithErrors");
}
}
)
);
await ipcMain.AddListener("getMetaData",
new IpcMainEventListener(
async(result) =>
{
var state = result.CallbackState as object[];
var ipcMainEvent = (IpcMainEvent)state[0];
var parms = state[1] as object[];
foreach (var parm in parms)
{
System.Console.WriteLine($"\tparm: {parm}");
}
try
{
var meta = await Convert.FFMPEGWrapper.GetMetaData(parms[0].ToString());
await ipcMainEvent.Sender.Send("gotMetaData", meta.AudioData, meta.VideoData, meta.Duration.ToString());
}
catch (Exception convertExc)
{
var errDialog = await Dialog.Instance();
await errDialog.ShowErrorBox("FFMPeg engine failure", convertExc.Message);
}
}
)
);
await console.Log($"Loading: file://{__dirname}/index.html");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(windowId);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="__dirname">The directory name of the current module. This the same as the path.dirname() of the __filename.</param>
/// <returns></returns>
public async Task <object> Invoke(string __dirname)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
app = await App.Instance();
// We use app.IsReady instead of listening for the 'ready'event.
// By the time we get here from the main.js module the 'ready' event has
// already fired.
if (await app.IsReady())
{
windowId = await CreateWindow(__dirname);
var ipcMain = await IpcMain.Create();
ipcMain.On("print-to-pdf",
new IpcMainEventListener
(
async(result) =>
{
var state = result.CallbackState as object[];
var ipcMainEvent = (IpcMainEvent)state[0];
var parms = state[1] as object[];
var win = await BrowserWindow.FromWebContents(ipcMainEvent.Sender);
System.Console.WriteLine($"Asynchronous message from: {await win.GetTitle()}");
// foreach (var parm in parms)
// System.Console.WriteLine($"\tparm: {parm}");
var contents = await win.GetWebContents();
await contents.PrintToPDF(new PrintToPDFOptions(),
new ScriptObjectCallback <Error, byte[]>(
async(cr) =>
{
await console.Log("callback in Print to Pdf");
var PDFState = cr.CallbackState as object[];
var error = PDFState[0] as Error;
if (error != null)
{
throw new Exception(error.Message);
}
var buffer = PDFState[1] as byte[];
string filename = Path.GetTempFileName() + ".pdf";
File.WriteAllBytes(filename, buffer);
var process = Process.Start(filename);
await ipcMainEvent.Sender.Send("wrote-pdf", filename);
}
)
);
}
)
);
}
await console.Log($"Loading: file://{__dirname}/index.html");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(windowId);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="__dirname">The directory name of the current module. This the same as the path.dirname() of the __filename.</param>
/// <returns></returns>
public async Task <object> Invoke(string __dirname)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
app = await App.Instance();
// We use app.IsReady instead of listening for the 'ready'event.
// By the time we get here from the main.js module the 'ready' event has
// already fired.
if (await app.IsReady())
{
windowId = await CreateWindow(__dirname);
}
await console.Log($"Loading: file://{__dirname}/index.html");
// Note: Sending a synchronous message from the render process will block
// the whole renderer process, unless you know what you are doing you should never use it.
//
// We will define the synchronous function via a javascript function
// There is a limitation on synchronous messages via the CLR because of the
// event.returnValue will not be set via the CLR.
// If synchronous messaging is desired then a CLR implementation is what
// you want.
var synchronousFunction = await WebSharpJs.WebSharp.CreateJavaScriptFunction(
@"
return function (data, callback) {
const {ipcMain} = require('electron')
ipcMain.on('synchronous-message', (event, arg) => {
console.log(arg) // prints 'ping'
event.returnValue = 'synchronous pong'
});
callback(null, null);
}");
await synchronousFunction(null); // attach our synchronous message listener
IpcMain ipcMain = await IpcMain.Create();
ipcMain.On("asynchronous-message",
new IpcMainEventListener
(
async(result) =>
{
var state = result.CallbackState as object[];
var ipcMainEvent = (IpcMainEvent)state[0];
var parms = state[1] as object[];
System.Console.WriteLine($"Asynchronous message from: {await ipcMainEvent.Sender.GetTitle()}");
foreach (var parm in parms)
{
System.Console.WriteLine($"\tparm: {parm}");
}
await ipcMainEvent.Sender.Send("asynchronous-reply", "asynchronous-pong1", "asynchronous-pong2");
}
)
);
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(windowId);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="__dirname">The directory name of the current module. This the same as the path.dirname() of the __filename.</param>
/// <returns></returns>
public async Task <object> Invoke(string __dirname)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
app = await App.Instance();
// We use app.IsReady instead of listening for the 'ready'event.
// By the time we get here from the main.js module the 'ready' event has
// already fired.
if (await app.IsReady())
{
windowId = await CreateWindow(__dirname);
// var web = await mainWindow.GetWebContents();
// var session = await web.GetSession();
// There are functionality differences between mac and windows. You will need to try
// this to see if it works for you in all scenarios. For instance this works on a Mac,
// at least it does on the ones that were tested, but windows always displays the save dialog.
// await session.On("will-download",
// new ScriptObjectCallback<Event, DownloadItem, WebContents>(
// async (callbackResult) =>
// {
// var cr = new WillDownloadResult(callbackResult);
// await cr.DownloadItem.SetSavePath($"downloads/");
// var fileURL = await cr.DownloadItem.GetURL();
// await console.Log($"Downloading: {fileURL}");
// await HandleDownload(cr, fileURL);
// }
// )
// );
// attach a listener to download the file.
var ipcMain = await IpcMain.Create();
ipcMain.On("download-file",
new IpcMainEventListener
(
async(result) =>
{
var state = result.CallbackState as object[];
var ipcMainEvent = (IpcMainEvent)state[0];
var parms = state[1] as object[];
// foreach (var parm in parms)
// System.Console.WriteLine($"\tparm: {parm}");
// Call the DownloadFile helper method
await DownloadFile(parms[0].ToString());
}
)
);
}
await console.Log($"Loading: file://{__dirname}/index.html");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(windowId);
}
