/// <summary>
/// Navigates the webview to the application package
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void LoadFromPackage_Click()
{
string url = "ms-appx-web:///html/html_example2.html";
WebViewControl.Navigate(new Uri(url));
rootPage.NotifyUser($"Navigated to {url}", NotifyType.StatusMessage);
}
private void Back_Click(object sender, RoutedEventArgs e)
{
if (WebViewControl.CanGoBack)
{
WebViewControl.GoBack();
}
}
private async void InvokeScript()
{
// Invoke the javascript function called 'doSomething' that is loaded into the WebView.
try
{
string result = await WebViewControl.InvokeScriptAsync("doSomething", null);
rootPage.NotifyUser($"Script returned \"{result}\"", NotifyType.StatusMessage);
}
catch (Exception ex)
{
string errorText = null;
switch (ex.HResult)
{
case unchecked ((int)0x80020006):
errorText = "There is no function called doSomething";
break;
case unchecked ((int)0x80020101):
errorText = "A JavaScript error or exception occured while executing the function doSomething";
break;
case unchecked ((int)0x800a138a):
errorText = "doSomething is not a function";
break;
default:
// Some other error occurred.
errorText = ex.Message;
break;
}
rootPage.NotifyUser(errorText, NotifyType.ErrorMessage);
}
}
private void LoadHTMLContent()
{
// WebViewControl.Navigate(new Uri("ms-appx-web:///html/BasicDirectionalNavigation.html"));
WebViewControl.Navigate(new Uri("http://www.microsoft.com"));
WebViewControl.Focus(FocusState.Programmatic);
}
/// <summary>
/// Handler for the GoForward button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void NavigateForward_Click()
{
if (WebViewControl.CanGoForward)
{
WebViewControl.GoForward();
}
}
public EdgeHtmlWebview(WebviewBridge bridge)
{
this.bridge = bridge ?? throw new ArgumentNullException(nameof(bridge));
var version = Native.GetOsVersion();
supportsInitializeScript = version.MajorVersion >= 10 && version.BuildNumber >= 17763;
var process = new WebViewControlProcess();
var bounds = new global::Windows.Foundation.Rect(Bounds.X, Bounds.Y, Bounds.Width, Bounds.Height);
webview = process.CreateWebViewControlAsync(Handle.ToInt64(), bounds)
.AsTask()
.RunSyncWithPump();
UpdateSize();
if (supportsInitializeScript)
{
string initScript = Resources.GetInitScript("Windows");
webview.AddInitializeScript(initScript);
}
webview.ScriptNotify += Webview_ScriptNotify;
webview.NavigationStarting += Webview_NavigationStarting;
webview.NavigationCompleted += Webview_NavigationCompleted;
Layout += (s, e) => UpdateSize();
}
/// <summary>
/// Captures the WebView into a bitmap.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void CaptureButton_Click()
{
InMemoryRandomAccessStream stream = new InMemoryRandomAccessStream();
await WebViewControl.CapturePreviewToStreamAsync(stream);
// Scale the bitmap to the space available for the thumbnail image,
// preserving aspect ratio.
double thumbnailWidth = ThumbnailImage.Width;
double thumbnailHeight = ThumbnailImage.Height;
double webViewControlWidth = WebViewControl.ActualWidth;
double webViewControlHeight = WebViewControl.ActualHeight;
if (thumbnailWidth == 0 || thumbnailHeight == 0 ||
webViewControlWidth == 0 || webViewControlHeight == 0)
{
// Avoid 0x0 bitmaps, which cause all sorts of problems.
return;
}
double horizontalScale = thumbnailWidth / webViewControlWidth;
double verticalScale = thumbnailHeight / webViewControlHeight;
double scale = Math.Min(horizontalScale, verticalScale);
int width = (int)(webViewControlWidth * scale);
int height = (int)(webViewControlHeight * scale);
BitmapSource thumbnailBitmap = await CreateScaledBitmapFromStreamAsync(width, height, stream);
ThumbnailImage.Source = thumbnailBitmap;
}
/// <summary>
/// Handler for the NavigateBackward button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void NavigateBackward_Click()
{
if (WebViewControl.CanGoBack)
{
WebViewControl.GoBack();
}
}
/// <summary>
/// 在 WebView 的历史记录中向前导航。
/// </summary>
private void ForwardAppBarButton_Click(object sender, RoutedEventArgs e)
{
if (WebViewControl.CanGoForward)
{
WebViewControl.GoForward();
}
}
private void Init()
{
var process = new WebViewControlProcess();
var bounds = new Rect(Bounds.X, Bounds.Y, Bounds.Width, Bounds.Height);
webview = process.CreateWebViewControlAsync(Handle.ToInt64(), bounds)
.AsTask()
.ConfigureAwait(false)
.GetAwaiter()
.GetResult();
UpdateSize();
webview.DefaultBackgroundColor = ParseColor(config.BackgroundColor);
webview.Settings.IsScriptNotifyAllowed = config.EnableScriptInterface;
if (config.EnableScriptInterface)
{
webview.ScriptNotify += Webview_ScriptNotify;
// TODO: needs Win10 1809 - 10.0.17763.0
// webview.AddInitializeScript(initScript);
}
webview.NavigationCompleted += Webview_NavigationCompleted;
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
string url = "ms-appx-web:///Htm/About.html";
WebViewControl.Navigate(new Uri(url));
//rootPage.NotifyUser($"Navigated to {url}", NotifyType.StatusMessage);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
webview?.Close();
webview = null !;
}
}
/// <summary>
/// 重写后退按钮按压事件以在 WebView (而不是应用程序)的返回栈中导航。
/// </summary>
private void MainPage_BackPressed(object sender, BackPressedEventArgs e)
{
if (WebViewControl.CanGoBack)
{
WebViewControl.GoBack();
e.Handled = true;
}
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
rootPage = MainPage.Current;
WebViewControl.Navigate(new Uri("http://www.microsoft.com"));
// Register for the share event
DataTransferManager.GetForCurrentView().DataRequested += DataTransferManager_DataRequested;
}
public IWebViewControlImpl MakeControlImpl(WebViewControl owner)
{
var shader = _prototypeManager.Index <ShaderPrototype>("bgra");
var shaderInstance = shader.Instance();
var impl = new ControlImpl(owner, shaderInstance);
_dependencyCollection.InjectDependencies(impl);
return(impl);
}
internal WebViewControlHost(WebViewControl webViewControl)
{
Verify.IsNotNull(webViewControl);
_webViewControl = webViewControl ?? throw new ArgumentNullException(nameof(webViewControl));
Process = _webViewControl.Process;
SubscribeEvents();
SubscribeProcessExited();
}
protected override Control CreateUIElement()
{
_webView = new WebViewControl();
_webView.AddResourceRequestHandler(RequestHandler);
_webView.AddBeforeBrowseHandler(BeforeBrowseHandler);
return(_webView);
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
var url = new Uri("https://www.bing.com/");
if (e.Parameter is string)
{
Uri.TryCreate(e.Parameter.ToString(), UriKind.RelativeOrAbsolute, out url);
}
//var url = new Uri("https://cn.bing.com/images/");images/search?form=EDNTHT&mkt=zh-cn
WebViewControl.Navigate(url);
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
// The 'Host' part of the URI for the ms-local-stream protocol is a combination of the package name
// and an application-defined key, which identifies the specfic resolver.
// Here, we use 'MyTag'.
Uri url = WebViewControl.BuildLocalStreamUri("MyTag", "/default.html");
// The resolver object needs to be passed in to the navigate call.
WebViewControl.NavigateToLocalStreamUri(url, myResolver);
}
private void NavigateToURL(MarkStringContent linkMark)
{
try
{
Uri targetUri = new Uri(linkMark.content);
WebViewControl.Navigate(targetUri);
}
catch (UriFormatException)
{
System.Diagnostics.Debug.WriteLine("Address is invalid, try again.");
}
}
/// <summary>
/// This is the click handler for the "Go" button.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void GoButton_Click()
{
if (!pageIsLoading)
{
NavigateWebview(AddressBox.Text);
}
else
{
WebViewControl.Stop();
pageIsLoading = false;
}
}
/*
* private async void MainPage_DataRequested(DataTransferManager sender, DataRequestedEventArgs e)
* {
* DataRequestDeferral deferral = e.Request.GetDeferral();
* e.Request.Data.Properties.Title = "Golzin";
* Uri www = new Uri("http://viish.co.nf");
* e.Request.Data.SetText("Hello World, Golzin' your score: " + ant_value + "\n download in: " + www);
*
*
* StorageFile image = await GetFileFromBitmap(bmp);
*
* if (image != null)
* {
* List<IStorageItem> storageItems = new List<IStorageItem>();
* storageItems.Add(image);
* e.Request.Data.SetStorageItems(storageItems);
*
* //e.Request.Data.SetBitmap(RandomAccessStreamReference.CreateFromFile(image));
* //e.Request.Data.Properties.Thumbnail = RandomAccessStreamReference.CreateFromFile(image);
* }
* //else
* //{
* // e.Request.Data.SetText(e.Request.Data.Properties.Description);
* //}
*
*
* deferral.Complete();
* }
*
*
*
* private async Task<StorageFile> GetFileFromBitmap(WriteableBitmap writeableBitmp)
* {
* string fileName = "MyImage.png";
*
* //salvar arquivo no cell
* //StorageFolder localFolder = await KnownFolders.PicturesLibrary.CreateFolderAsync("golzin", CreationCollisionOption.ReplaceExisting);
* //StorageFile file = await localFolder.CreateFileAsync(fileName + ".png", CreationCollisionOption.GenerateUniqueName);
*
* StorageFile file = await ApplicationData.Current.LocalFolder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting);//LocalFolder//TemporaryFolder
*
* using (IRandomAccessStream stream = await file.OpenAsync(FileAccessMode.ReadWrite))
* {
* BitmapEncoder encoder = await BitmapEncoder.CreateAsync(BitmapEncoder.PngEncoderId, stream);
* Stream pixelStream = writeableBitmp.PixelBuffer.AsStream();
* byte[] pixels = new byte[pixelStream.Length];
* await pixelStream.ReadAsync(pixels, 0, pixels.Length);
* encoder.SetPixelData(BitmapPixelFormat.Bgra8, BitmapAlphaMode.Ignore,
* (uint)writeableBitmp.PixelWidth,
* (uint)writeableBitmp.PixelHeight,
* 96.0,
* 96.0,
* pixels);
* await encoder.FlushAsync();
* }
*
* return file;
* }
*/
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
WebViewControl.Navigate(HomeUri);
StatusBar statusBar = StatusBar.GetForCurrentView();
await statusBar.HideAsync();
//await statusBar.ShowAsync();
HardwareButtons.BackPressed += this.MainPage_BackPressed;
}
private void NavigateWebview()
{
try
{
Uri targetUri = new Uri("http://dev.dentall.site:8085/#/appointment");
WebViewControl.Navigate(targetUri);
}
catch (UriFormatException ex)
{
// Bad address
}
}
/// <summary>
/// Helper to perform the navigation in webview
/// </summary>
/// <param name="url"></param>
private void NavigateWebview(string url)
{
try
{
Uri targetUri = new Uri(url);
WebViewControl.Navigate(targetUri);
}
catch (UriFormatException ex)
{
// Bad address
AppendLog($"Address is invalid, try again. Error: {ex.Message}.");
}
}
private void MainPage_BackRequested(object sender, BackRequestedEventArgs e)
{
if (WebViewControl.CanGoBack)
{
WebViewControl.GoBack();
e.Handled = true;
}
else
{
App.Current.Exit();
e.Handled = true;
}
}
private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
{
if (WebViewControl.CanGoBack) // Check if the back stack is not zero
{
WebViewControl.GoBack(); // Navigate one back in the back stack
}
else
{
//If back stack cannot go back for web content, then navigate away from the XAML page hosting the WebView
Frame rootFrame = Window.Current.Content as Frame;
rootFrame?.GoBack();
}
}
private async void WebViewControl_LoadCompleted(object sender, NavigationEventArgs e)
{
// var result = await GetKeywordsAS.Autosuggest();
StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///Helpers/WebviewScript.js"));
if (file != null)
{
string js = await FileIO.ReadTextAsync(file);
//await GetContentFromFile(file);
//eval函数大家都知道，就是执行一段字符串
await WebViewControl.InvokeScriptAsync("eval", new string[] { js });
}
}
/// <summary>
/// Raised when the user initiates a Share operation.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
async void DataTransferManager_DataRequested(DataTransferManager sender, DataRequestedEventArgs args)
{
DataRequest request = args.Request;
// We are going to use an async API to talk to the webview, so get a deferral to give
// us time to generate the results.
DataRequestDeferral deferral = request.GetDeferral();
DataPackage dp = await WebViewControl.CaptureSelectedContentToDataPackageAsync();
// Determine whether there was any selected content.
bool hasSelection = false;
try
{
hasSelection = (dp != null) && (dp.GetView().AvailableFormats.Count > 0);
}
catch (Exception ex)
{
switch (ex.HResult)
{
case unchecked ((int)0x80070490):
// Mobile does not generate a data package with AvailableFormats
// and results in an exception. Sorry. Handle the case by acting as
// if we had no selected content.
hasSelection = false;
break;
default:
// All other exceptions are unexpected. Let them propagate.
throw;
}
}
if (hasSelection)
{
// Webview has a selection, so we'll share its data package.
dp.Properties.Title = "WebView sample selected content";
}
else
{
// No selection, so we'll share the url of the webview.
dp = new DataPackage();
dp.SetWebLink(WebViewControl.Source);
dp.Properties.Title = "WebView sample page";
}
dp.Properties.Description = WebViewControl.Source.ToString();
request.Data = dp;
deferral.Complete();
}
/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached.
/// This parameter is typically used to configure the page.</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
if (e.NavigationMode == NavigationMode.Back)
{
if (localSettings.Values["NightScoutURL"] != null)
{
NightScoutURL = localSettings.Values["NightScoutURL"].ToString();
}
}
if (NightScoutURL != null)
{
WebViewControl.Navigate(new Uri(NightScoutURL));
HardwareButtons.BackPressed += this.MainPage_BackPressed;
}
}
/// <summary>
/// Navigates the webview to the local state directory
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void LoadFromLocalState_Click()
{
// Create a file in a subdirectory.
// The ms-appdata protocol isolates top-level subdirectories from each other.
StorageFolder stateFolder = await ApplicationData.Current.LocalFolder.CreateFolderAsync("NavigateToState", CreationCollisionOption.OpenIfExists);
StorageFile htmlFile = await StorageFile.GetFileFromApplicationUriAsync(new Uri($"ms-appx:///html/html_example2.html"));
await htmlFile.CopyAsync(stateFolder, "test.html", NameCollisionOption.ReplaceExisting);
string url = "ms-appdata:///local/NavigateToState/test.html";
WebViewControl.Navigate(new Uri(url));
rootPage.NotifyUser($"Navigated to {url}", NotifyType.StatusMessage);
}
