/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
var document = await HtmlPage.GetDocument();
// Get a reference to the top-level <html> element.
var element = await document.GetDocumentElement();
// Process the starting element reference
await ProcessElement(element, 0);
await console.Log(elementTree);
await console.Log($"Hello: {input}");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
var document = await HtmlPage.GetDocument();
var info = await HtmlPage.GetBrowserInformation();
var infoText = $"Name: {info.Name}<br />Browser Version: {info.BrowserVersion}<br />Platform: {info.Platform}<br />Cookies Enabled: {info.CookiesEnabled}<br />User Agent: {info.UserAgent}";
var paragraph = await document.GetElementById("info");
await paragraph.SetProperty("innerHTML", infoText);
await console.Log($"Hello: {input}");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
// Get a reference to the HTML DOM document.
var document = await HtmlPage.GetDocument();
// Get a reference to the body element.
var body = await document.GetElementById("docBody");
// Create a <main> type element
var mainElement = await document.CreateElement("main");
// Append the newly created element to the page DOM
await body.AppendChild(mainElement);
// Get a collection of all the <main> type element in the page and using
// Linq get the first of the collection.
var content = (await document.GetElementsByTagName("main")).First();
// Get a collection of all the <link> elements
var links = await document.QuerySelectorAll("link[rel=\"import\"]");
// Loop through all of the <link> elements found
foreach (var link in links)
{
// Access the contents of the import document by examining the
// import property of the corresponding <link> element
var template = await link.GetProperty <HtmlElement>("import").ContinueWith(
async(t) =>
{
// For all imported contents obtain a reference to the <template>
return(await t.Result?.QuerySelector(".task-template"));
}
).Result;
// Create a clone of the template’s content using the importNode property and
// passing in the content of the template
var clone = await document.Invoke <HtmlElement>("importNode",
await template.GetProperty <HtmlElement>("content"), true);
// Append the newly created cloned template to the content element.
await content.AppendChild(clone);
}
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
var document = await HtmlPage.GetDocument();
var printPDFBtn = await document.GetElementById("print-pdf");
var ipcRenderer = await IpcRenderer.Create();
await printPDFBtn?.AttachEvent("click",
new EventHandler(async(sender, evt) =>
{
await console.Log("clicked");
ipcRenderer.Send("print-to-pdf");
})
);
ipcRenderer.On("wrote-pdf",
new IpcRendererEventListener(async(result) =>
{
var state = result.CallbackState as object[];
var parms = state[1] as object[];
foreach (var parm in parms)
{
await console.Log(parm);
}
var pathLabel = await document.GetElementById("file-path");
await pathLabel.SetProperty("innerHTML", $"Wrote PDF to: {parms[0]}");
}));
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
var document = await HtmlPage.GetDocument();
area = await document.GetElementById("input");
output = await document.GetElementById("output");
spaces = await document.GetElementById("spaced");
emojiPicker = await document.GetElementById("emoji");
length = await document.GetElementById("length");
copy = await document.GetElementById("copy");
await area.AttachEvent("input", updateOutput);
await spaces.AttachEvent("change", updateOutput);
await emojiPicker.AttachEvent("change", updateOutput);
await copy.AttachEvent("click", copyClicked);
await console.Log($"Hello: {input}");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
// Get a reference to the DOM Document
var document = await HtmlPage.GetDocument();
// Get a reference to the "link" element
var link = await document.GetElementById("link");
// Attach an event listener to the "click" event
await link.AttachEvent("click", onMouseClick);
await console.Log($"Hello: {input}");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
var document = await HtmlPage.GetDocument();
var findMe = await document.GetElementById("findMe");
var map = await document.GetElementById("map");
var location = await document.GetElementById("location");
var error = false;
await findMe.AttachEvent(HtmlEventNames.Click,
new EventHandler(
async(sender, evt) => {
error = false;
await location.SetProperty("innerText", "Locating ...");
var geo = await GeoLocationAPI.Instance();
await geo.GetCurrentPosition(
new ScriptObjectCallback <Position>(
async(cr) =>
{
// Obtain our position from the CallbackState
var position = cr.CallbackState as Position;
// Reference the Coordinates class
var coords = position.Coordinates;
// Create our location information string
var posString = $"Your current position is:\nLatitude : {coords.Latitude}\nLongitude : {coords.Longitude}\nMore or less {coords.Accuracy} Meters.";
// Set the location status text
await location.SetProperty("innerText", posString);
// Retrieve the image of the location using the longitude and latitude
// properties of the Coordinates class.
var imageURL = $"https://maps.googleapis.com/maps/api/staticmap?center={coords.Latitude},{coords.Longitude}&zoom=13&size=300x300&sensor=false";
// Set the src property of the <image> tag
await map.SetProperty("src", imageURL);
}
),
new ScriptObjectCallback <PositionError>(
async(cr) =>
{
// Obtain the error from CallbackState
var err = cr.CallbackState as PositionError;
// Format a string with the error
var errString = $"ERROR({err.ErrorCode}): {err.Message}";
// If we already have an error then we will want to append
// the error to the already existing error(s) that exist.
if (error)
{
var errorText = await location.GetProperty <string>("innerText");
errString = $"{errorText}\n{errString}";
}
error = true;
// Set the status area text for feedback to the user
await location.SetProperty("innerText", errString);
}
),
new PositionOptions()
{
EnableHighAccuracy = true, Timeout = 5000, MaximumAge = 0
}
);
}
)
);
await console.Log($"Hello: {input}");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
// Since we are executing from the Renderer process we have to use
// dialog remote process.
dialog = await Dialog.Instance();
var page = new HtmlPage();
document = await page.GetDocument();
// Get the HtmlElement with the id of "openFile"
var openFile = await document.GetElementById("openFile");
// Attach a "click" event handler to the openFile HtmlElement
await openFile.AttachEvent("click", new EventHandler(async(sender, evt) =>
{
// Create an OpenDialogOptions reference with custom FileFilters
var openOptions = new OpenDialogOptions()
{
Filters = new FileFilter[]
{
new FileFilter()
{
Name = "text", Extensions = new string[] { "txt" }
},
new FileFilter()
{
Name = "All Files", Extensions = new string[] { "*" }
}
}
};
// Now show the open dialog passing in the options created previously
// and a call back function when a file is selected.
// If a call back function is not specified then the ShowOpenDialog function
// will return an array of the selected file(s) or an empty array if no
// files are selected.
await dialog.ShowOpenDialog(
openOptions,
openFileCallback
);
}
));
// Get the HtmlElement with the id of "saveFile"
var saveFile = await document.GetElementById("saveFile");
// Attach a "click" event handler to the saveFile HtmlElement
await saveFile.AttachEvent("click", new EventHandler(async(sender, evt) =>
{
// Create an OpenDialogOptions reference with custom FileFilters
var saveOptions = new SaveDialogOptions()
{
Filters = new FileFilter[]
{
new FileFilter()
{
Name = "text", Extensions = new string[] { "txt" }
},
new FileFilter()
{
Name = "All Files", Extensions = new string[] { "*" }
}
}
};
// Now show the save dialog passing in the options created previously
// and a call back function to be called when the save button is clicked.
// If a call back function is not specified then the ShowSaveDialog function
// will return a string or an empty string if no file was specified.
await dialog.ShowSaveDialog(
saveOptions,
saveFileCallback
);
}
));
}
catch (Exception exc) { await dialog.ShowErrorBox("There was an error: ", exc.Message); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
var clipboard = await Clipboard.Instance();
await console.Log("Available Formats");
var formats = await clipboard.AvailableFormats();
for (int f = 0; f < formats.Length; f++)
{
await console.Log(formats[f]);
}
// if we have an image format on the clipboard the we need to readit and set the image's
// source element.
if (formats.Length == 1 && formats[0] == "image/png")
{
// Read the clipboard Image
var image = await clipboard.ReadImage();
// If we have the image
if (image != null)
{
// Get access to the DOM
var page = new HtmlPage();
var document = await page.GetDocument();
// Get a reference to the img element
var imageElement = await document.GetElementById("image");
if (imageElement != null)
{
// set the src property to the data string of the image/
await imageElement.SetProperty("src", await image.ToDataURL());
}
}
}
await clipboard.WriteText("Example String copied to clipboard");
await console.Log($"Clipboard text read: {await clipboard.ReadText()}");
await console.Log("Clearing clipboard");
await clipboard.Clear();
await console.Log("Available Formats");
formats = await clipboard.AvailableFormats(ClipboardType.Selection);
for (int f = 0; f < formats.Length; f++)
{
await console.Log(formats[f]);
}
await console.Log("Writing data to the clipboard");
await clipboard.Write(new ClipboardData()
{
Text = "test", HTML = "<b>test</b>"
});
await console.Log("Available Formats");
formats = await clipboard.AvailableFormats(ClipboardType.Selection);
for (int f = 0; f < formats.Length; f++)
{
await console.Log(formats[f]);
}
await console.Log($"Reading Clipboard Text data: {await clipboard.ReadText()}");
await console.Log($"Reading Clipboard HTML data: {await clipboard.ReadHTML()}");
await console.Log($"Reading Clipboard RTF data: {await clipboard.ReadRTF()}");
await console.Log($"Has {await clipboard.Has("<p>selection</p>")}");
await console.Log("Writing bookmark to the clipboard");
await clipboard.WriteBookmark("Electron Homepage", @"https://electron.atom.io");
await console.Log(await clipboard.ReadBookmark());
await console.Log("Available Formats");
formats = await clipboard.AvailableFormats(ClipboardType.Selection);
for (int f = 0; f < formats.Length; f++)
{
await console.Log(formats[f]);
}
await console.Log($"Hello: {input}");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
var document = await HtmlPage.GetDocument();
HtmlElement dragged = null;
// events fired on the draggable target */
await document.AttachEvent(HtmlEventNames.Drag,
new EventHandler <HtmlEventArgs> (
async(sender, evt) =>
{
}
)
);
await document.AttachEvent(HtmlEventNames.DragStart,
new EventHandler <HtmlEventArgs> (
async(sender, evt) =>
{
// store a ref. on the dragged element
dragged = evt.Target as HtmlElement;
// make it half transparent
await dragged.SetStyleAttribute("opacity", ".5");
}
)
);
await document.AttachEvent(HtmlEventNames.DragEnd,
new EventHandler <HtmlEventArgs> (
async(sender, evt) =>
{
// reset the transparency
await evt.Target.SetStyleAttribute("opacity", "");
}
)
);
await document.AttachEvent(HtmlEventNames.DragExit,
new EventHandler <HtmlEventArgs> (
async(sender, evt) =>
{
// reset the transparency
await evt.Target.SetStyleAttribute("opacity", "");
}
)
);
// Events fired on the drop targets
await document.AttachEvent(HtmlEventNames.DragOver,
new EventHandler <HtmlEventArgs> (
async(sender, evt) =>
{
// prevent default to allow drop
evt.PreventDefault();
evt.StopPropagation();
// A DropEffect must be set
evt.DataTransfer.DropEffect = DropEffect.Link;
}
)
);
//Events fired on the drop targets
await document.AttachEvent(HtmlEventNames.DragEnter,
new EventHandler <HtmlEventArgs> (
async(sender, evt) =>
{
// highlight potential drop target when the draggable element enters it
if (await evt.Target.GetCssClass() == "dropzone")
{
await evt.Target.SetStyleAttribute("background", "purple");
}
}
)
);
await document.AttachEvent(HtmlEventNames.DragLeave,
new EventHandler <HtmlEventArgs> (
async(sender, evt) =>
{
// highlight potential drop target when the draggable element enters it
if (await evt.Target.GetCssClass() == "dropzone")
{
await evt.Target.SetStyleAttribute("background", "");
}
}
)
);
await document.AttachEvent(HtmlEventNames.Drop,
new EventHandler <HtmlEventArgs> (
async(sender, evt) =>
{
// prevent default to allow drop
evt.PreventDefault();
evt.StopPropagation();
// move dragged elem to the selected drop target
if (await evt.Target.GetCssClass() == "dropzone")
{
await evt.Target.SetStyleAttribute("background", "");
await dragged.GetParent().ContinueWith(
(t) => { t.Result?.RemoveChild(dragged); }
);
//dragged.parentNode.removeChild( dragged );
await evt.Target.AppendChild(dragged);
}
}
)
);
await console.Log($"Hello: {input}");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
var document = await HtmlPage.GetDocument();
var findMe = await document.GetElementById("findMe");
var map = await document.GetElementById("map");
var location = await document.GetElementById("location");
var error = false;
await findMe.AttachEvent("click",
new EventHandler(
async(sender, evt) => {
error = false;
await location.SetProperty("innerText", "Locating ...");
var geo = await GeoLocationAPI.Instance();
await geo.GetCurrentPosition(
new ScriptObjectCallback <GeoPosition>(
async(cr) =>
{
var position = cr.CallbackState as GeoPosition;
var coords = position.Coordinates;
var posString = $"Your current position is:\nLatitude : {coords.Latitude}\nLongitude : {coords.Longitude}\nMore or less {coords.Accuracy} Meters.";
await location.SetProperty("innerText", posString);
var imageURL = $"https://maps.googleapis.com/maps/api/staticmap?center={coords.Latitude},{coords.Longitude}&zoom=13&size=300x300&sensor=false";
await map.SetProperty("src", imageURL);
}
),
new ScriptObjectCallback <PositionError>(
async(cr) =>
{
var err = cr.CallbackState as PositionError;
var errString = $"ERROR({err.ErrorCode}): {err.Message}";
if (error)
{
var errorText = await location.GetProperty <string>("innerText");
errString = $"{errorText}\n{errString}";
}
error = true;
await location.SetProperty("innerText", errString);
}
),
new PositionOptions()
{
EnableHighAccuracy = true, Timeout = 5000, MaximumAge = 0
}
);
}
)
);
await console.Log($"Hello: {input}");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
ipcRenderer = await IpcRenderer.Create();
document = await HtmlPage.GetDocument();
var form = await document.QuerySelector("form");
// Input fields
source = await form.QuerySelector("input[name=\"source\"]");
destination = await form.QuerySelector("input[name=\"destination\"]");
name = await form.QuerySelector("input[name=\"name\"]");
// Buttons
btnSource = await document.GetElementById("chooseSource");
btnDestination = await document.GetElementById("chooseDestination");
btnSubmit = await form.QuerySelector("button[type=\"submit\"]");
// Handle input fields
await source.AttachEvent(HtmlEventNames.Input, updateUI);
await source.AttachEvent(HtmlEventNames.Change, updateUI);
await destination.AttachEvent(HtmlEventNames.Input, updateUI);
await destination.AttachEvent(HtmlEventNames.Change, updateUI);
await name.AttachEvent(HtmlEventNames.Input, updateUI);
// Handle buttons
await btnSource.AttachEvent(HtmlEventNames.Click, handleSource);
await btnDestination.AttachEvent(HtmlEventNames.Click, handleDestination);
// Handle form Submit
await form.AttachEvent(HtmlEventNames.Submit,
async (s, e) => {
e.PreventDefault();
await ToggleUI(true);
// Send off the convert request
await ipcRenderer.Send("submitform",
await source.GetProperty <string>("value"),
await destination.GetProperty <string>("value"),
await name.GetProperty <string>("value")
);
}
);
await ipcRenderer.AddListener("gotMetaData",
new IpcRendererEventListener(
async(result) =>
{
var state = result.CallbackState as object[];
var ipcMainEvent = (IpcRendererEvent)state[0];
var parms = state[1] as object[];
var audio = ScriptObjectHelper.AnonymousObjectToScriptableType <Audio>(parms[0]);
var video = ScriptObjectHelper.AnonymousObjectToScriptableType <Video>(parms[1]);
var duration = TimeSpan.Parse(parms[2].ToString());
await updateInfo(audio, video, duration);
}
)
);
await ipcRenderer.AddListener("completed",
new IpcRendererEventListener(
async(result) =>
{
await ToggleUI(false);
}
)
);
await console.Log($"Hello: {input}");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}
/// <summary>
/// Default entry into managed code.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <object> Invoke(object input)
{
if (console == null)
{
console = await WebSharpJs.NodeJS.Console.Instance();
}
try
{
var document = await HtmlPage.GetDocument();
window = await HtmlPage.GetWindow();
canvas = await document.QuerySelector("canvas");
canvasWidth = await canvas.GetProperty <int>("width");
canvasHeight = await canvas.GetProperty <int>("height");
ctx = await canvas.Invoke <HtmlObject> ("getContext", "2d");
animationCallback = new ScriptObjectCallback(
async(ar) =>
{
await CanvasDraw().ContinueWith(
(t) => { animation = null; }
);
}
);
await CanvasDraw();
await canvas.AttachEvent("click", new EventHandler(
async(sender, e) =>
{
if ((await document.GetProperty <HtmlObject>("pointerLockElement"))?.Handle == canvas.Handle)
{
await document.Invoke <object>("exitPointerLock");
}
else
{
await canvas.Invoke <object>("requestPointerLock");
}
})
);
// Hook pointer lock state change events
await document.AttachEvent("pointerlockchange", new EventHandler(
async(sender, e) =>
{
if ((await document.GetProperty <HtmlObject>("pointerLockElement"))?.Handle == canvas.Handle)
{
await console.Log("The pointer lock status is now locked");
await document.AttachEvent("mousemove", UpdatePosition);
}
else
{
await console.Log("The pointer lock status is now unlocked");
await document.DetachEvent("mousemove", UpdatePosition);
}
})
);
tracker = await document.GetElementById("tracker");
await console.Log($"Hello: {input}");
}
catch (Exception exc) { await console.Log($"extension exception: {exc.Message}"); }
return(null);
}