// CONSTRUCTOR
public ChannelAPI(CollabrifyClient c, LoadCompletedEventHandler del = null)
{
Debug.WriteLine(LOG_TAG + ": building ChannelAPI.");
mChannelClosed = true;
client = c;
// Builds the browser object
try
{
browser = new WebBrowser();
browser.IsScriptEnabled = true;
browser.ScriptNotify += ScriptCallback;
browser.LoadCompleted += delegate { };
if (del != null)
{
browser.LoadCompleted += del;
}
}
catch (Exception ex)
{
Debug.WriteLine(LOG_TAG + ": " + ex.Source);
Debug.WriteLine("\t" + ex.Message);
}
string html = null;
using (var s = Assembly.GetExecutingAssembly().GetManifestResourceStream("Collabrify_wp8.Resources.home.html"))
using (var r = new StreamReader(s))
html = r.ReadToEnd();
browser.NavigateToString(html);
} // CONSTRUCTOR
public Task LogoutAsync(Uri logoutUri)
{
var frame = new Frame();
var tcs = new TaskCompletionSource <bool>();
LoadCompletedEventHandler loadCompletedHandler = null;
NavigationFailedEventHandler failedHandler = null;
Action unsubscribe = () =>
{
// ReSharper disable AccessToModifiedClosure
frame.LoadCompleted -= loadCompletedHandler;
frame.NavigationFailed -= failedHandler;
// ReSharper restore AccessToModifiedClosure
};
loadCompletedHandler =
(sender, e) =>
{
unsubscribe();
tcs.SetResult(true);
};
failedHandler =
(sender, e) =>
{
unsubscribe();
tcs.SetException(e.Exception);
};
frame.LoadCompleted += loadCompletedHandler;
frame.NavigationFailed += failedHandler;
frame.Navigate(logoutUri);
return(tcs.Task);
}
/// <summary>
/// Navigates to the given source URI and waits for the loading to complete or fail.
/// </summary>
public static async Task NavigateAsync(this WebView webView, Uri source)
{
var tcs = new TaskCompletionSource <object>();
// Need to set it to null so that the compiler does not
// complain about use of unassigned local variable.
WebViewNavigationFailedEventHandler nfeh = null;
LoadCompletedEventHandler lceh = null;
//webView.NavigationFailed
//webView.LoadCompleted
nfeh = (s, e) =>
{
webView.NavigationFailed -= nfeh;
webView.LoadCompleted -= lceh;
tcs.SetResult(null);
};
lceh = (s, e) =>
{
webView.NavigationFailed -= nfeh;
webView.LoadCompleted -= lceh;
tcs.SetResult(null);
};
webView.NavigationFailed += nfeh;
webView.LoadCompleted += lceh;
webView.Navigate(source);
await tcs.Task;
}
// CONSTRUCTOR
public ChannelAPI(CollabrifyClient c, LoadCompletedEventHandler del = null)
{
Debug.WriteLine(LOG_TAG + ": building ChannelAPI.");
mChannelClosed = true;
client = c;
// Builds the browser object
try
{
browser = new WebBrowser();
browser.IsScriptEnabled = true;
browser.ScriptNotify += ScriptCallback;
browser.LoadCompleted += delegate { };
if(del != null) browser.LoadCompleted += del;
}
catch( Exception ex)
{
Debug.WriteLine(LOG_TAG + ": " + ex.Source);
Debug.WriteLine("\t" + ex.Message);
}
string html = null;
using (var s = Assembly.GetExecutingAssembly().GetManifestResourceStream("Collabrify_wp8.Resources.home.html"))
using (var r = new StreamReader(s))
html = r.ReadToEnd();
browser.NavigateToString(html);
}
public ScriptInvoker(WebBrowser browser, string methodName, Object[] args)
{
this.browser = browser;
this.methodName = methodName;
this.args = args;
this.handler = new LoadCompletedEventHandler(browser_LoadCompleted);
this.browser.LoadCompleted += handler;
}
/// <summary>
/// Extends BeginInvoke so that when a state object is not needed, null does not need to be passed.
/// <example>
/// loadcompletedeventhandler.BeginInvoke(sender, e, callback);
/// </example>
/// </summary>
public static IAsyncResult BeginInvoke(this LoadCompletedEventHandler loadcompletedeventhandler, Object sender, NavigationEventArgs e, AsyncCallback callback)
{
if (loadcompletedeventhandler == null)
{
throw new ArgumentNullException("loadcompletedeventhandler");
}
return(loadcompletedeventhandler.BeginInvoke(sender, e, callback, null));
}
public static async Task GoToPageAsync(this WebBrowser browser, string url)
{
var resultGenerator = new TaskCompletionSource <bool>();
LoadCompletedEventHandler loadCompletedEvent = (_, __) => resultGenerator.SetResult(true);
browser.LoadCompleted += loadCompletedEvent;
browser.Navigate(url);
await resultGenerator.Task;
browser.LoadCompleted -= loadCompletedEvent;
}
void NavigateGoogle(string url, string word)
{
LoadCompletedEventHandler e = null;
e = new LoadCompletedEventHandler((o, args) =>
{
webBrowser.LoadCompleted -= e;
webBrowser.InvokeScript("eval", $"document.getElementById('source').innerText='{StringToUnicode( word)}'");
});
webBrowser.LoadCompleted += e;
//webBrowser.Source = new Uri(url);
webBrowser.Navigate(url);
}
public static Task NavigateAsync(this WebBrowser wb, Uri uri)
{
var tcs = new TaskCompletionSource <object>();
LoadCompletedEventHandler completedEvent = null;
completedEvent = (sender, e) =>
{
wb.LoadCompleted -= completedEvent;
tcs.SetResult(null);
};
wb.LoadCompleted += completedEvent;
wb.Navigate(uri);
return(tcs.Task);
}
public static Task NavigateAsync(this WebBrowser browser, Uri uri)
{
var tcs = new TaskCompletionSource <object>();
LoadCompletedEventHandler loadCompleted = null;
loadCompleted = (s, e) =>
{
browser.LoadCompleted -= loadCompleted;
tcs.SetResult(e.WebResponse);
};
browser.LoadCompleted += loadCompleted;
browser.Navigate(uri);
return(tcs.Task);
}
public void NavigateTo(string pageKey, string propertyName, object parameter)
{
if (parameter == null)
{
throw new ArgumentNullException("parameter");
}
lock (pagesByKey)
{
if (!pagesByKey.ContainsKey(pageKey))
{
throw new ArgumentException(string.Format("No such page: {0} ", pageKey), "pageKey");
}
Frame frame = (Frame)GetDescendantFromName(Application.Current.MainWindow, "MainFrame");
if (frame != null)
{
frame.Source = pagesByKey[pageKey];
LoadCompletedEventHandler eventHandler = null;
eventHandler = delegate(object sender, NavigationEventArgs e)
{
Page page = (Page)frame.Content;
PropertyInfo property = page.DataContext.GetType().GetProperty(propertyName);
Type vmType = page.DataContext.GetType();
if (property.PropertyType == parameter.GetType())
{
property.SetValue(Convert.ChangeType(page.DataContext, vmType), Convert.ChangeType(parameter, property.PropertyType), null);
}
frame.LoadCompleted -= eventHandler;
};
frame.LoadCompleted += eventHandler;
}
historic.Add(pageKey);
CurrentPageKey = pageKey;
}
}
/// <summary>
/// Links a <see cref="ParseUser" /> to a Facebook account, allowing you to use Facebook
/// for authentication, and providing access to Facebook data for the user.
///
/// The user will be logged in through Facebook's OAuth web flow, so you must supply a
/// <paramref name="webView"/> that will be navigated to Facebook's authentication pages.
/// </summary>
/// <param name="user">The user to link with Facebook.</param>
/// <param name="webView">A web view that will be used to present the authorization pages
/// to the user.</param>
/// <param name="permissions">A list of Facebook permissions to request.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public static async Task LinkAsync(ParseUser user,
WebBrowser webView,
IEnumerable <string> permissions,
CancellationToken cancellationToken)
{
authProvider.Permissions = permissions;
LoadCompletedEventHandler loadCompleted = (_, e) => authProvider.HandleNavigation(e.Uri);
webView.LoadCompleted += loadCompleted;
Action <Uri> navigate = uri => webView.Navigate(uri);
authProvider.Navigate += navigate;
await user.LinkWithAsync("facebook", cancellationToken);
authProvider.Navigate -= navigate;
webView.LoadCompleted -= loadCompleted;
}
/// <summary>
/// Logs in a <see cref="ParseUser" /> using Facebook for authentication. If a user for the
/// given Facebook credentials does not already exist, a new user will be created.
///
/// The user will be logged in through Facebook's OAuth web flow, so you must supply a
/// <paramref name="webView"/> that will be navigated to Facebook's authentication pages.
/// </summary>
/// <param name="webView">A web view that will be used to present the authorization pages
/// to the user.</param>
/// <param name="permissions">A list of Facebook permissions to request.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>The user that was either logged in or created.</returns>
public static async Task <ParseUser> LogInAsync(WebBrowser webView,
IEnumerable <string> permissions,
CancellationToken cancellationToken)
{
authProvider.Permissions = permissions;
LoadCompletedEventHandler loadCompleted = (_, e) => authProvider.HandleNavigation(e.Uri);
webView.LoadCompleted += loadCompleted;
Action <Uri> navigate = uri => webView.Navigate(uri);
authProvider.Navigate += navigate;
var result = await ParseUser.LogInWithAsync("facebook", cancellationToken);
authProvider.Navigate -= navigate;
webView.LoadCompleted -= loadCompleted;
return(result);
}
public void Logout()
{
LoadCompletedEventHandler loadCompleted = null;
loadCompleted = (sender, e) => {
if (facebookLoginBrowser.SaveToString().Contains("logout_form"))
{
FacebookLogo.Visibility = Visibility.Visible;
facebookLoginBrowser.InvokeScript("eval", "document.forms['logout_form'].submit();");
facebookLoginBrowser.Visibility = Visibility.Collapsed;
facebookLoginBrowser.LoadCompleted -= loadCompleted;
AccessToken = null;
}
facebookLoginBrowser.Navigated += FacebookLoginBrowserNavigated;
CloseLoginPage();
};
LoginStatusText.Visibility = Visibility.Collapsed;
facebookLoginBrowser.Navigated -= FacebookLoginBrowserNavigated;
facebookLoginBrowser.LoadCompleted += loadCompleted;
facebookLoginBrowser.Navigate(new Uri("https://www.facebook.com/logout.php"));
}
public void ButtonVis(object sender, LoadCompletedEventHandler e)
{
}
private void PrepareControl()
{
// fix bug #1 in a brutal way
var d = DataContext as ReadArticleViewModel;
if (d != null)
{
d.LoadingIndicator = true;
}
if (StartNavigating != null)
{
StartNavigating(this, new NavigatingEventArgs());
}
Opacity = 0;
LoadCompleted += new LoadCompletedEventHandler((ss, ee) =>
{
Opacity = 1;
});
}
public static UnmanagedEventHandler CreateLoadCompletedEventHandlerDispatcher (LoadCompletedEventHandler handler)
{
return SafeDispatcher( (sender, calldata, closure)
=> handler (NativeDependencyObjectHelper.FromIntPtr (closure),
new NavigationEventArgs ()) );
}
/// <summary>
/// Provides a secure method for setting the LoadCompletedEventHandler property. This dependency property indicates ....
/// </summary>
private static void SetLoadCompletedEventHandler(DependencyObject d, LoadCompletedEventHandler value)
{
d.SetValue(LoadCompletedEventHandlerPropertyKey, value);
}
// Used in XamlTest
//
internal static NavigationWindow CreateNavigationWindow(string filename, string callingAssembly, LoadCompletedEventHandler handler)
{
NavigationWindow navigationWindow;
if (BrowserInteropHelper.IsBrowserHosted)
{
GlobalLog.LogDebug("Browser hosted");
navigationWindow = (NavigationWindow)Application.Current.MainWindow;
}
else
{
GlobalLog.LogDebug("not Browser hosted");
GlobalLog.LogEvidence("Creating a NavigationWindow");
NavigationWindow navwinsw = new NavigationWindow();
navigationWindow = navwinsw;
}
if (handler != null)
{
navigationWindow.LoadCompleted += handler;
}
string strUri = "pack://application:,,,/" + callingAssembly + ";component/" + filename;
GlobalLog.LogEvidence("Navigating to " + strUri);
navigationWindow.Navigate(new Uri(strUri, UriKind.RelativeOrAbsolute));
if (!BrowserInteropHelper.IsBrowserHosted)
{
GlobalLog.LogEvidence("Showing the Window");
navigationWindow.Show();
}
DispatcherHelper.DoEvents(0, DispatcherPriority.Input);
return(navigationWindow);
}
public static UnmanagedEventHandler CreateLoadCompletedEventHandlerDispatcher(LoadCompletedEventHandler handler)
{
return(SafeDispatcher((sender, calldata, closure)
=> handler(NativeDependencyObjectHelper.FromIntPtr(closure),
new NavigationEventArgs())));
}
static LoadCompletedEventHandler LastEventHandler = null;//
public void Execute(object parameter)
{
var oldSrc = Container.Source;
Container.Source = null;
Container.LoadCompleted -= LastEventHandler;
OpenFuncParam param = (OpenFuncParam)parameter;
if (param == null)
{
_logHelper.LogError("parameter不是有效的OpenFuncParam类型");
MessageWindow.ShowMsg(MessageType.Error, OperationDesc.OpenFunc, MsgConst.Msg_ViewAppLog);
return;
}
if (string.IsNullOrEmpty(param.PageUri))
{
_logHelper.LogError("PageUri不能为空");
MessageWindow.ShowMsg(MessageType.Error, OperationDesc.OpenFunc, MsgConst.Msg_ViewAppLog);
return;
}
//需要在LoadCompleted事件中，才能获取到绑定到Frame的Page实例
LastEventHandler = (o, e) =>
{
try
{
var page = e.Content as BasePage;
if (page == null)
{
throw new Exception("未找到page，请检查uri是否正确或是否继承BasePage");
}
page.FuncCode = param.FuncCode;
}
catch (Exception ex)
{
_logHelper.LogError("Container(Frame).LoadCompleted事件", ex);
throw new Exception("打开功能菜单错误", ex);
}
};
Container.LoadCompleted += LastEventHandler;
if (oldSrc != null && oldSrc.ToString() == param.PageUri.Trim('/'))
{
//相同uri，不会重新加载，需要实例化对象
//“/Biz.PartyBuilding.YS.Client;component/Learn/PartyLearnPage.xaml”
var strUri = param.PageUri.Trim('/');
var start = strUri.LastIndexOf("/") + 1;
var len = strUri.LastIndexOf(".xaml") - start;
var className = strUri.Substring(start, len);
var assName = strUri.Substring(0, strUri.IndexOf(';'));
try
{
var ass = AppDomain.CurrentDomain.GetAssemblies().Where(a => a.GetName().Name == assName).FirstOrDefault();
Type type = ass.GetTypes().Where(t => t.Name == className).FirstOrDefault();
BasePage page = Activator.CreateInstance(type) as BasePage;
Container.Navigate(page);
}
catch (Exception ex)
{
_logHelper.LogError("OpenFuncCmd.Execute——相同uri Page实例化失败，uri:" + param.PageUri, ex);
throw new Exception("打开功能菜单失败，实例化page失败，请检查uri是否正确");
}
}
else
{
Container.Navigate(PageHelper.GetPageFullUri(param.PageUri));
}
}
public static Task <object> NavigateAsync(this WebBrowser wb, string link, SynchronizationContext SC)
{
if (wb == null)
{
throw new ArgumentNullException("wb");
}
var tcs = new TaskCompletionSource <object>();
LoadCompletedEventHandler handler1 = delegate { };
NavigatedEventHandler handler2 = delegate { };
handler1 = (s, e) =>
{
dynamic activeX = wb.GetType().InvokeMember("ActiveXInstance",
BindingFlags.GetProperty | BindingFlags.Instance | BindingFlags.NonPublic,
null, wb, new object[] { });
activeX.Silent = true;
//if (wb.ReadyState != WebBrowserReadyState.Complete) return;
//if (PageLoaded.Task.IsCompleted) return;
tcs.SetResult(wb.Document);
wb.LoadCompleted -= handler1;
//wb.Navigated -= handler2;
};
handler2 = (s, e) =>
{
dynamic doc = ((WebBrowser)s).Document;
var url = doc.url as string;
if (url != null && url.StartsWith("res://ieframe.dll"))
{
tcs.SetException(new InvalidOperationException("Page load error"));
}
//wb.LoadCompleted -= handler1;
wb.Navigated -= handler2;
};
wb.LoadCompleted += handler1;
wb.Navigated += handler2;
SC.Post(new SendOrPostCallback(o => { wb.Navigate(link); }), link);
return(tcs.Task);
//await Application.Current.Dispatcher.BeginInvoke(new Action(() => { wb.Navigate(link); }));
//wb.Navigate(new Uri(link));
/*
* int TimeElapsed = 0;
* while (tcs.Task.Status != TaskStatus.RanToCompletion)
* {
* await Task.Delay(50);
* TimeElapsed++;
* if (TimeElapsed >= 1000)
* {
* tcs.TrySetResult(true);
* }
* }
*/
//надо ли?
//while (tcs.Task.Status != TaskStatus.RanToCompletion)
//{
// await Task.Delay(50);
//}
//await tcs.Task;
}
