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CB-5357 Multistage exit app fires events pause->exit->onunload before…
… exiting completely. WP8 only
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purplecabbage committed Jan 14, 2014
1 parent 3b7e4ac commit af726e211f7c797ef6152b8a921d34af2f764119
Showing 1 changed file with 34 additions and 64 deletions.
@@ -77,6 +77,8 @@ public partial class CordovaView : UserControl

private ConfigHandler configHandler;

protected bool IsExiting = false;

private Dictionary<string, IBrowserDecorator> browserDecorators;

public System.Windows.Controls.Grid _LayoutRoot
@@ -214,8 +216,7 @@ void AppClosing(object sender, ClosingEventArgs e)

void AppDeactivated(object sender, DeactivatedEventArgs e)
{
Debug.WriteLine("INFO: AppDeactivated");

Debug.WriteLine("INFO: AppDeactivated because " + e.Reason);
try
{
CordovaBrowser.InvokeScript("eval", new string[] { "cordova.fireDocumentEvent('pause');" });
@@ -246,6 +247,7 @@ void AppActivated(object sender, Microsoft.Phone.Shell.ActivatedEventArgs e)

void CordovaBrowser_Loaded(object sender, RoutedEventArgs e)
{

this.bmHelper.ScrollDisabled = this.DisableBouncyScrolling;

if (DesignerProperties.IsInDesignTool)
@@ -287,67 +289,6 @@ void CordovaBrowser_Loaded(object sender, RoutedEventArgs e)
}
}

/*
* 11/08/12 Ruslan Kokorev
* Copying files to isolated storage is no more required in WP8. WebBrowser control now works with files located in XAP.
*/

//StreamResourceInfo streamInfo = Application.GetResourceStream(new Uri("CordovaSourceDictionary.xml", UriKind.Relative));

//if (streamInfo != null)
//{
// StreamReader sr = new StreamReader(streamInfo.Stream);
// //This will Read Keys Collection for the xml file

// XDocument document = XDocument.Parse(sr.ReadToEnd());

// var files = from results in document.Descendants("FilePath")
// select new
// {
// path = (string)results.Attribute("Value")
// };
// StreamResourceInfo fileResourceStreamInfo;

// using (IsolatedStorageFile appStorage = IsolatedStorageFile.GetUserStoreForApplication())
// {

// foreach (var file in files)
// {
// fileResourceStreamInfo = Application.GetResourceStream(new Uri(file.path, UriKind.Relative));

// if (fileResourceStreamInfo != null)
// {
// using (BinaryReader br = new BinaryReader(fileResourceStreamInfo.Stream))
// {
// byte[] data = br.ReadBytes((int)fileResourceStreamInfo.Stream.Length);

// string strBaseDir = AppRoot + file.path.Substring(0, file.path.LastIndexOf(System.IO.Path.DirectorySeparatorChar));

// if (!appStorage.DirectoryExists(strBaseDir))
// {
// Debug.WriteLine("INFO: Creating Directory :: " + strBaseDir);
// appStorage.CreateDirectory(strBaseDir);
// }

// // This will truncate/overwrite an existing file, or
// using (IsolatedStorageFileStream outFile = appStorage.OpenFile(AppRoot + file.path, FileMode.Create))
// {
// Debug.WriteLine("INFO: Writing data for " + AppRoot + file.path + " and length = " + data.Length);
// using (var writer = new BinaryWriter(outFile))
// {
// writer.Write(data);
// }
// }
// }
// }
// else
// {
// Debug.WriteLine("ERROR: Failed to write file :: " + file.path + " did you forget to add it to the project?");
// }
// }
// }
//}

CordovaBrowser.Navigate(StartPageUri);
IsBrowserInitialized = true;
AttachHardwareButtonHandlers();
@@ -417,15 +358,23 @@ void page_BackKeyPress(object sender, CancelEventArgs e)

void CordovaBrowser_LoadCompleted(object sender, System.Windows.Navigation.NavigationEventArgs e)
{
if (IsExiting)
{
// Special case, we navigate to about:blank when we are about to exit.
IsolatedStorageSettings.ApplicationSettings.Save();
Application.Current.Terminate();
return;
}

Debug.WriteLine("CordovaBrowser_LoadCompleted");
string[] autoloadPlugs = this.configHandler.AutoloadPlugins;
foreach (string plugName in autoloadPlugs)
{
//nativeExecution.ProcessCommand(commandCallParams);
}

// send js code to fire ready event
string nativeReady = "(function(){ cordova.require('cordova/channel').onNativeReady.fire()})();";

try
{
CordovaBrowser.InvokeScript("execScript", new string[] { nativeReady });
@@ -434,6 +383,16 @@ void CordovaBrowser_LoadCompleted(object sender, System.Windows.Navigation.Navig
{
Debug.WriteLine("Error calling js to fire nativeReady event. Did you include cordova.js in your html script tag?");
}
// attach js code to dispatch exitApp
string appExitHandler = "(function(){navigator.app = navigator.app || {}; navigator.app.exitApp= function(){cordova.exec(null,null,'CoreEvents','__exitApp',[]); }})();";
try
{
CordovaBrowser.InvokeScript("execScript", new string[] { appExitHandler });
}
catch (Exception /*ex*/)
{
Debug.WriteLine("Error calling js to add appExit funtion.");
}

if (this.CordovaBrowser.Opacity < 1)
{
@@ -491,6 +450,17 @@ void CordovaBrowser_ScriptNotify(object sender, NotifyEventArgs e)
string arg0 = JsonHelper.Deserialize<string[]>(commandCallParams.Args)[0];
this.OverrideBackButton = (arg0 != null && arg0.Length > 0 && arg0.ToLower() == "true");
break;
case "__exitapp":
Debug.WriteLine("Received exitApp command from javascript, app will now exit.");
CordovaBrowser.InvokeScript("eval", new string[] { "cordova.fireDocumentEvent('pause');" });
CordovaBrowser.InvokeScript("eval", new string[] { "setTimeout(function(){ cordova.fireDocumentEvent('exit'); cordova.exec(null,null,'CoreEvents','__finalexit',[]); },0);" });
break;
case "__finalexit":
IsExiting = true;
// hide the browser to prevent white flashes, since about:blank seems to always be white
CordovaBrowser.Opacity = 0d;
CordovaBrowser.Navigate(new Uri("about:blank", UriKind.Absolute));
break;
}
}
else

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