public void Start(Book.Book book, CollectionSettings collectionSettings, Color backColor)
{
if (_wifiAdvertiser != null)
{
Stop();
}
// This listens for a BloomReader to request a book.
// It requires a firewall hole allowing Bloom to receive messages on _portToListen.
// We initialize it before starting the Advertiser to avoid any chance of a race condition
// where a BloomReader manages to request an advertised book before we start the listener.
_wifiListener = new BloomReaderUDPListener();
_wifiListener.NewMessageReceived += (sender, args) =>
{
var json = Encoding.UTF8.GetString(args.Data);
try
{
dynamic settings = JsonConvert.DeserializeObject(json);
// The property names used here must match the ones in BloomReader, doInBackground method of SendMessage,
// a private class of NewBookListenerService.
var androidIpAddress = (string)settings.deviceAddress;
var androidName = (string)settings.deviceName;
// This prevents the device (or other devices) from queuing up requests while we're busy with this one.
// In effect, the Android is only allowed to request a retry after we've given up this try at sending.
// Of course, there are async effects from network latency. But if we do get another request while
// handling this one, we will ignore it, since StartSendBook checks for a transfer in progress.
_wifiAdvertiser.Paused = true;
StartSendBookOverWiFi(book, androidIpAddress, androidName, backColor);
// Returns immediately. But we don't resume advertisements until the async send completes.
}
// If there's something wrong with the JSON (maybe an obsolete or newer version of reader?)
// just ignore the request.
catch (Exception ex) when(ex is JsonReaderException || ex is JsonSerializationException)
{
_progress.Error(id: "BadBookRequest",
message: "Got a book request we could not process. Possibly the device is running an incompatible version of BloomReader?");
//this is too technical/hard to translate
_progress.ErrorWithoutLocalizing($" Request contains {json}; trying to interpret as JSON we got {ex.Message}");
}
};
var pathHtmlFile = book.GetPathHtmlFile();
_wifiAdvertiser = new WiFiAdvertiser(_progress)
{
BookTitle = BookStorage.SanitizeNameForFileSystem(book.Title), // must be the exact same name as the file we will send if requested
TitleLanguage = collectionSettings.Language1Iso639Code,
BookVersion = Book.Book.MakeVersionCode(File.ReadAllText(pathHtmlFile), pathHtmlFile)
};
AndroidView.CheckBookLayout(book, _progress);
_wifiAdvertiser.Start();
_progress.Message(id: "WifiInstructions1",
message: "On the Android, run Bloom Reader, open the menu and choose 'Receive Books from computer'.");
_progress.Message(id: "WifiInstructions2",
message: "You can do this on as many devices as you like. Make sure each device is connected to the same network as this computer.");
}
public static void Save(Book.Book book, BookServer bookServer, Color backColor, WebSocketProgress progress)
{
var progressWithL10N = progress.WithL10NPrefix("PublishTab.Android.File.Progress.");
using (var dlg = new DialogAdapters.SaveFileDialogAdapter())
{
dlg.DefaultExt = BookCompressor.ExtensionForDeviceBloomBook;
var bloomdFileDescription = LocalizationManager.GetString("PublishTab.Android.bloomdFileFormatLabel", "Bloom Book for Devices", "This is shown in the 'Save' dialog when you save a bloom book in the format that works with the Bloom Reader Android App");
dlg.Filter = $"{bloomdFileDescription}|*{BookCompressor.ExtensionForDeviceBloomBook}";
dlg.FileName = Path.GetFileName(book.FolderPath) + BookCompressor.ExtensionForDeviceBloomBook;
if (!string.IsNullOrWhiteSpace(Settings.Default.BloomDeviceFileExportFolder) &&
Directory.Exists(Settings.Default.BloomDeviceFileExportFolder))
{
dlg.InitialDirectory = Settings.Default.BloomDeviceFileExportFolder;
//(otherwise leave to default save location)
}
if (DialogResult.OK == dlg.ShowDialog())
{
Settings.Default.BloomDeviceFileExportFolder = Path.GetDirectoryName(dlg.FileName);
AndroidView.CheckBookLayout(book, progress);
PublishToAndroidApi.SendBook(book, bookServer, dlg.FileName, null,
progressWithL10N,
(publishedFileName, bookTitle) => progressWithL10N.GetMessageWithParams("Saving", "{0} is a file path", "Saving as {0}", dlg.FileName),
null,
backColor);
PublishToAndroidApi.ReportAnalytics("file", book);
}
}
}
protected override void LoadView(IShellContext shellContext)
{
base.LoadView(shellContext);
var recycler = AndroidView.FindViewById <RecyclerView>(Resource.Id.flyoutcontent_recycler);
recyclerAdapter = new AppShellFlyoutRecyclerAdapter(shellContext, OnElementSelected);
recycler.SetAdapter(recyclerAdapter);
}
protected override TView CreateItem(AndroidContext context, AndroidView <TView> element)
{
var view = (TView)Activator.CreateInstance(typeof(TView), context.Context);
if (context.LayoutParamsFactory != null)
{
// hang on, we need to get the dimensions from the attributes
var dimensions = element.Attributes.GetAttributeOrDefault(View.DimensionsAttribute);
view.LayoutParameters = context.LayoutParamsFactory(dimensions ?? Dimensions.WrapWrap);
}
return(view);
}
/// <summary>
/// Attempt to connect to a device
/// </summary>
/// <param name="book"></param>
public void Connect(Book.Book book, Color backColor)
{
try
{
// Calls to this come from JavaScript, not sure they will always be on the UI thread.
// Before I added this, I definitely saw race conditions with more than one thread trying
// to figure out what was connected.
lock (this)
{
AndroidView.CheckBookLayout(book, _progress);
if (_connectionHandler != null)
{
// we're in an odd state...should only be able to click the button that calls this
// while stopped.
// Try to really get into the right state in case the user tries again.
_androidDeviceUsbConnection.StopFindingDevice();
return;
}
// Create this while locked...once we have it, can't enter the main logic of this method
// on another thread.
_connectionHandler = new BackgroundWorker();
}
_progress.Message(id: "LookingForDevice",
message: "Looking for an Android device connected by USB cable and set up for MTP...",
comment: "This is a progress message; MTP is an acronym for the system that allows computers to access files on devices.");
_androidDeviceUsbConnection.OneReadyDeviceFound = HandleFoundAReadyDevice;
_androidDeviceUsbConnection.OneReadyDeviceNotFound = HandleFoundOneNonReadyDevice;
// Don't suppress the first message after (re)starting.
_previousDeviceNotFoundReportType = DeviceNotFoundReportType.Unknown;
_connectionHandler.DoWork += (sender, args) => _androidDeviceUsbConnection.ConnectAndSendToOneDevice(book, backColor);
_connectionHandler.RunWorkerCompleted += (sender, args) =>
{
if (args.Error != null)
{
UsbFailConnect(args.Error);
}
_connectionHandler = null; // now OK to try to connect again.
};
_connectionHandler.RunWorkerAsync();
}
catch (Exception e)
{
UsbFailConnect(e);
}
}
/// <summary>
/// Create a <see cref="AndroidView{TView}"/> instance without optional dimensions and id
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="dimensions"></param>
/// <param name="id"></param>
/// <returns></returns>
public static AndroidView <T> View <T>(Dimensions dimensions = default, int?id = default) where T : Android.Views.View
{
var control = new AndroidView <T>();
if (dimensions != default)
{
control.Dimensions(dimensions);
}
if (id.HasValue)
{
control.Id(id.Value);
}
return(control);
}
public void SetDisplayMode(PublishModel.DisplayModes displayMode)
{
// This is only supposed to be active in one mode of PublishView.
Browser.SuppressJavaScriptErrors = false;
if (displayMode != PublishModel.DisplayModes.Upload && _publishControl != null)
{
Controls.Remove(_publishControl);
_publishControl = null;
}
if (displayMode != PublishModel.DisplayModes.EPUB && _epubPreviewControl != null && Controls.Contains(_epubPreviewControl))
{
Controls.Remove(_epubPreviewControl);
}
if (displayMode != PublishModel.DisplayModes.Android && _androidControl != null && Controls.Contains(_androidControl))
{
Controls.Remove(_androidControl);
// disposal of the browser is good but it hides a multitude of sins that we'd rather catch and fix during development. E.g. BL-4901
if (!ApplicationUpdateSupport.IsDevOrAlpha)
{
_androidControl.Dispose();
_androidControl = null;
}
}
if (displayMode != PublishModel.DisplayModes.Upload && displayMode != PublishModel.DisplayModes.EPUB && displayMode != PublishModel.DisplayModes.Android)
{
_pdfViewer.Visible = true;
}
switch (displayMode)
{
case PublishModel.DisplayModes.WaitForUserToChooseSomething:
_printButton.Enabled = _saveButton.Enabled = false;
Cursor = Cursors.Default;
_workingIndicator.Visible = false;
_pdfViewer.Visible = false;
break;
case PublishModel.DisplayModes.Working:
_printButton.Enabled = _saveButton.Enabled = false;
_workingIndicator.Cursor = Cursors.WaitCursor;
Cursor = Cursors.WaitCursor;
_workingIndicator.Visible = true;
_pdfViewer.Visible = false;
break;
case PublishModel.DisplayModes.ShowPdf:
Logger.WriteEvent("Entering Publish PDF Screen");
if (RobustFile.Exists(_model.PdfFilePath))
{
_pdfViewer.Visible = true;
_workingIndicator.Visible = false;
Cursor = Cursors.Default;
_saveButton.Enabled = true;
_printButton.Enabled = _pdfViewer.ShowPdf(_model.PdfFilePath);
}
break;
case PublishModel.DisplayModes.Printing:
_simpleAllPagesRadio.Enabled = false;
_bookletCoverRadio.Enabled = false;
_bookletBodyRadio.Enabled = false;
_printButton.Enabled = _saveButton.Enabled = false;
_workingIndicator.Cursor = Cursors.WaitCursor;
Cursor = Cursors.WaitCursor;
_workingIndicator.Visible = true;
break;
case PublishModel.DisplayModes.ResumeAfterPrint:
_simpleAllPagesRadio.Enabled = true;
_pdfViewer.Visible = true;
_workingIndicator.Visible = false;
Cursor = Cursors.Default;
_saveButton.Enabled = true;
_printButton.Enabled = true;
break;
case PublishModel.DisplayModes.Upload:
{
Logger.WriteEvent("Entering Publish Upload Screen");
_workingIndicator.Visible = false; // If we haven't finished creating the PDF, we will indicate that in the progress window.
_saveButton.Enabled = _printButton.Enabled = false; // Can't print or save in this mode...wouldn't be obvious what would be saved.
_pdfViewer.Visible = false;
Cursor = Cursors.Default;
if (_publishControl == null)
{
SetupPublishControl();
}
break;
}
case PublishModel.DisplayModes.EPUB:
{
Logger.WriteEvent("Entering Publish Epub Screen");
// We may reuse this for the process of generating the ePUB staging files. For now, skip it.
_workingIndicator.Visible = false;
_printButton.Enabled = false; // don't know how to print an ePUB
_pdfViewer.Visible = false;
Cursor = Cursors.WaitCursor;
_epubPreviewControl = ElectronicPublishView.SetupEpubControl(_epubPreviewControl, _isolator, () => _saveButton.Enabled = _model.EpubMaker.ReadyToSave());
_epubPreviewControl.SetBounds(_pdfViewer.Left, _pdfViewer.Top,
_pdfViewer.Width, _pdfViewer.Height);
_epubPreviewControl.Dock = _pdfViewer.Dock;
_epubPreviewControl.Anchor = _pdfViewer.Anchor;
var saveBackGround = _epubPreviewControl.BackColor; // changed to match parent during next statement
Controls.Add(_epubPreviewControl);
_epubPreviewControl.BackColor = saveBackGround; // keep own color.
// Typically this control is dock.fill. It has to be in front of tableLayoutPanel1 (which is Left) for Fill to work.
_epubPreviewControl.BringToFront();
Cursor = Cursors.Default;
// We rather mangled the Readium code in the process of cutting away its own navigation
// and other controls. It produces all kinds of JavaScript errors, but it seems to do
// what we want. So just suppress the toasts for all of them.
Browser.SuppressJavaScriptErrors = true;
break;
}
case PublishModel.DisplayModes.Android:
{
Logger.WriteEvent("Entering Publish Android Screen");
_workingIndicator.Visible = false;
_printButton.Enabled = false;
_pdfViewer.Visible = false;
Cursor = Cursors.WaitCursor;
_androidControl = new AndroidView(_isolator);
_androidControl.SetBounds(_pdfViewer.Left, _pdfViewer.Top,
_pdfViewer.Width, _pdfViewer.Height);
_androidControl.Dock = _pdfViewer.Dock;
_androidControl.Anchor = _pdfViewer.Anchor;
var saveBackGround = _androidControl.BackColor; // changed to match parent during next statement
Controls.Add(_androidControl);
_androidControl.BackColor = saveBackGround; // keep own color.
// Typically this control is dock.fill. It has to be in front of tableLayoutPanel1 (which is Left) for Fill to work.
_androidControl.BringToFront();
Cursor = Cursors.Default;
break;
}
}
UpdateSaveButton();
}
