private void Setup()
{
if (!App.Crawler.HasCourse(courseId))
{
ErrorReporting.Log("App.Crawler.HasCourse is false");
SafeGoBack();
return;
}
var course = App.Crawler.GetCourse(courseId);
title.Text = course.Topic.Name;
ErrorReporting.Log(courseId + " = " + course.Topic.Name + " [" + course.Name + "]");
if (pivot.ItemsSource == null)
{
Load(false);
}
else
{
foreach (var lectureSection in pivot.ItemsSource.Cast <LectureSection>())
{
foreach (var lecture in lectureSection.Lectures)
{
lecture.DownloadInfo.RefreshStatus();
}
}
}
}
public static void Init(PhoneApplicationPage page)
{
if (!(page is SettingsPage))
{
var settingsMenuItem = new ApplicationBarMenuItem("Settings");
settingsMenuItem.Click += delegate
{
ErrorReporting.Log("OnSettingsClick");
page.NavigateToSettings();
};
page.ApplicationBar.MenuItems.Add(settingsMenuItem);
}
var aboutButton = new ApplicationBarIconButton(new Uri("/Assets/Icons/dark/appbar.information.png", UriKind.Relative))
{
Text = "About"
};
aboutButton.Click += delegate
{
ErrorReporting.Log("OnAboutClick");
page.NavigationService.Navigate(page.GetUri <AboutPage>());
};
page.ApplicationBar.Buttons.Insert(0, aboutButton);
}
private void OnCourseCatalogClickFromAppBar(object sender, EventArgs e)
{
ErrorReporting.Log("OnCourseCatalogClickFromAppBar");
new WebBrowserTask {
Uri = new Uri("https://www.coursera.org/courses")
}.Show();
}
private void OnCreateAccountClick(object sender, RoutedEventArgs e)
{
ErrorReporting.Log("OnCreateAccountClick");
new WebBrowserTask {
Uri = new Uri("https://accounts.coursera.org/signup")
}.Show();
}
private void OnStationClick(object sender, RoutedEventArgs e)
{
ErrorReporting.Log("OnStationClick");
var dataContext = ((Button)sender).DataContext;
GoToStation(dataContext);
}
private void OnStreamClick(object sender, RoutedEventArgs e)
{
ErrorReporting.Log("OnStreamClick");
var lecture = (Lecture)((Button)sender).DataContext;
ErrorReporting.Log("Lecture = " + lecture.Title + " [" + lecture.Id + "]");
if (videoLazyBlocks.ContainsKey(lecture.Id))
{
ErrorReporting.Log("Already fetching video url");
}
else
{
videoLazyBlocks.Add(lecture.Id, new LazyBlock <string>(
"video location",
null,
lecture.VideoUrl,
_ => false,
new LazyBlockUI <string>(
this,
videoUrl =>
{
ErrorReporting.Log("Launching video from url");
VideoPage.LaunchVideoFromUrl(this, videoUrl);
},
() => false,
null),
false,
null,
_ => videoLazyBlocks.Remove(lecture.Id),
null));
}
}
private void OnPlayOrDownloadOrCancelClick(object sender, RoutedEventArgs e)
{
ErrorReporting.Log("OnPlayOrDownloadOrCancelClick");
var lecture = (Lecture)((Button)sender).DataContext;
ErrorReporting.Log("Lecture = " + lecture.Title + " [" + lecture.Id + "]");
if (videoLazyBlocks.ContainsKey(lecture.Id))
{
ErrorReporting.Log("Already fetching video url");
}
else if (lecture.DownloadInfo.Downloading)
{
ErrorReporting.Log("Cancelling download");
((DownloadInfo)lecture.DownloadInfo).Monitor.RequestCancel();
}
else if (lecture.DownloadInfo.Downloaded)
{
ErrorReporting.Log("Launching downloaded video");
VideoPage.LaunchDownloadedVideo(this, lecture.DownloadInfo);
}
else
{
StartDownload(lecture);
}
}
private void OnCourseClick(object sender, RoutedEventArgs e)
{
ErrorReporting.Log("OnCourseClick");
var course = (Course)((Button)sender).DataContext;
NavigationService.Navigate(new Uri("/CoursePage.xaml?courseId=" + course.Id, UriKind.Relative));
}
private void OnSaveClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnSaveClick");
Settings.Set(Setting.LocationServicesEnabled, enableLocationServices.IsChecked == true);
Settings.Set(Setting.AutoRefresh, autoRefresh.IsChecked == true);
LocationService.Setup();
NavigationService.GoBack();
}
private void OnRefreshClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnRefreshClick");
if (journeyElementsLazyBlock != null)
{
journeyElementsLazyBlock.Refresh();
}
}
private void OnRecentItemRemoveClick(object sender, RoutedEventArgs e)
{
ErrorReporting.Log("OnRecentItemRemoveClick");
var dataContext = (DeparturesAndArrivalsTable)((MenuItem)sender).DataContext;
RecentItems.Remove(dataContext);
RefreshRecentItemsList();
}
private void OnLiveProgressFromArrivalsClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnLiveProgressFromArrivalsClick");
var arrival = (Arrival)((Button)sender).DataContext;
var title = departuresAndArrivalsTable.Match(_ => arrival.Origin, (_, origin) => origin.Name) + " to " + departuresAndArrivalsTable.Station.Name;
LiveProgressPage.SetDetails(title, arrival.Details);
NavigationService.Navigate(this.GetUri <LiveProgressPage>());
}
private void OnLiveProgressFromDeparturesClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnLiveProgressFromDeparturesClick");
var departure = (Departure)((Button)sender).DataContext;
var title = departuresAndArrivalsTable.Station.Name + " to " + departuresAndArrivalsTable.Match(_ => departure.Destination, (_, destination) => destination.Name);
LiveProgressPage.SetDetails(title, departure.Details);
NavigationService.Navigate(this.GetUri <LiveProgressPage>());
}
private void OnOpenInBrowserClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnOpenInBrowserClick");
var course = App.Crawler.GetCourse(courseId);
new WebBrowserTask {
Uri = new Uri(course.HomeLink)
}.Show();
}
private void OnDeleteClick(object sender, RoutedEventArgs e)
{
ErrorReporting.Log("OnDeleteClick");
var lecture = (Lecture)((MenuItem)sender).DataContext;
ErrorReporting.Log("Lecture = " + lecture.Title + " [" + lecture.Id + "]");
lecture.DownloadInfo.DeleteVideo();
}
private void OnPlayClick(object sender, RoutedEventArgs e)
{
ErrorReporting.Log("OnPlayClick");
var downloadInfo = (DownloadInfo)((Button)sender).DataContext;
ErrorReporting.Log("Course = " + downloadInfo.CourseTopicName + " [" + downloadInfo.CourseId + "] Lecture = " + downloadInfo.LectureTitle + " [" + downloadInfo.LectureId + "]");
VideoPage.LaunchDownloadedVideo(this, downloadInfo);
}
private void OnDeleteAllClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnDeleteAllClick");
foreach (var downloadInfo in completed)
{
downloadInfo.DeleteVideo();
}
completed.Clear();
RefreshEmptyMessagesVisibility();
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
courseId = int.Parse(NavigationContext.QueryString["courseId"]);
// settings changed
if (lastEmail != null && lastEmail != Settings.GetString(Setting.Email))
{
ErrorReporting.Log("Settings changed");
pivot.ItemsSource = null;
}
lastEmail = Settings.GetString(Setting.Email);
// app was tombstoned or settings changed
if (App.Crawler == null)
{
ErrorReporting.Log("App.Crawler is null");
var email = Settings.GetString(Setting.Email);
var password = Settings.GetString(Setting.Password);
if ((string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password)))
{
SafeGoBack();
return;
}
App.Crawler = new Crawler(email, password, Cache.GetFiles(), Cache.SaveFile, DownloadInfo.Create);
new LazyBlock <Course[]>(
"courses",
"No courses",
App.Crawler.Courses,
a => a.Length == 0,
new LazyBlockUI <Course[]>(
this,
_ => Setup(),
() => false,
messageTextBlock),
false,
null,
success =>
{
if (!success)
{
ErrorReporting.Log("Failed to get courses");
App.Crawler = null;
SafeGoBack();
}
},
null);
}
else
{
Setup();
}
}
private void OnPinToStartClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnPinToStartClick");
var uri = GetUri(departuresAndArrivalsTable);
if (!IsStationPinnedToStart())
{
ShellTile.Create(GetUri(departuresAndArrivalsTable), GetTileData(), supportsWideTile: true);
}
GetPinToStartButton().IsEnabled = false;
}
private void SafeGoBack()
{
if (NavigationService.CanGoBack)
{
NavigationService.GoBack();
}
else
{
ErrorReporting.Log("Can not go back");
}
}
private void OnRefreshClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnRefreshClick");
if (pivot.SelectedIndex != 1 && departuresLazyBlock != null)
{
departuresLazyBlock.Refresh();
}
if (pivot.SelectedIndex != 0 && arrivalsLazyBlock != null)
{
arrivalsLazyBlock.Refresh();
}
}
private void OnFilterOrClearFilterClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnFilterOrClearFilterClick");
if (departuresAndArrivalsTable.HasDestinationFilter)
{
NavigationService.Navigate(GetUri(departuresAndArrivalsTable.WithoutFilter));
}
else
{
NavigationService.Navigate(MainAndFilterPage.GetUri(this, departuresAndArrivalsTable.Station));
}
}
private void OnLectureNotesClick(object sender, RoutedEventArgs e)
{
ErrorReporting.Log("OnLectureNotesClick");
var lecture = (Lecture)((Button)sender).DataContext;
ErrorReporting.Log("Lecture = " + lecture.Title + " [" + lecture.Id + "]");
new WebBrowserTask {
Uri = new Uri(lecture.LectureNotesUrl)
}.Show();
}
private void OnCancelAllClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnCancelAllClick");
foreach (var downloadInfo in inProgress)
{
// might be null if it was just completed, but hasn't been removed from the list yet
if (downloadInfo.Monitor != null)
{
downloadInfo.Monitor.RequestCancel();
}
}
inProgress.Clear();
RefreshEmptyMessagesVisibility();
}
private void Load(bool refresh)
{
if (lecturesLazyBlock != null)
{
lecturesLazyBlock.Cancel();
lecturesLazyBlock = null;
}
var course = App.Crawler.GetCourse(courseId);
if (!course.Active)
{
if (course.HasFinished)
{
messageTextBlock.Text = "Lectures no longer available";
}
else
{
messageTextBlock.Text = "Lectures not available yet";
}
}
else
{
if (refresh)
{
course = App.Crawler.RefreshCourse(course.Id);
}
lecturesLazyBlock = new LazyBlock <LectureSection[]>(
"lectures",
"No lectures available. Make sure you have accepted the honor code.",
course.LectureSections,
a => a.Length == 0,
new LazyBlockUI <LectureSection[]>(
this,
lectureSections => pivot.ItemsSource = lectureSections,
() => pivot.ItemsSource != null,
messageTextBlock),
false,
null,
success =>
{
if (!success)
{
ErrorReporting.Log("Failed to get lectures");
}
},
null);
}
}
private void OnRefreshClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnRefreshClick");
var email = Settings.GetString(Setting.Email);
var password = Settings.GetString(Setting.Password);
if (string.IsNullOrEmpty(email) || string.IsNullOrEmpty(password))
{
this.NavigateToSettings();
}
else
{
LoadCourses(email, password, true);
}
}
private void OnSaveClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnSaveClick");
if (email.Text != Settings.GetString(Setting.Email))
{
Cache.DeleteAllFiles();
App.Crawler = null;
}
else if (password.Password != Settings.GetString(Setting.Password))
{
App.Crawler = null;
}
Settings.Set(Setting.Email, email.Text);
Settings.Set(Setting.Password, password.Password);
Settings.Set(Setting.RunUnderLockScreen, runUnderLockScreen.IsChecked == true);
EnableOrDisableLockScreen();
NavigationService.GoBack();
}
private void OnDownloadAllClick(object sender, EventArgs e)
{
ErrorReporting.Log("OnDownloadAllClick");
if (pivot.SelectedIndex != -1 && pivot.ItemsSource != null)
{
var lectureSections = (LectureSection[])pivot.ItemsSource;
if (pivot.SelectedIndex < lectureSections.Length)
{
foreach (var lecture in lectureSections[pivot.SelectedIndex].Lectures)
{
if (!videoLazyBlocks.ContainsKey(lecture.Id) && !lecture.DownloadInfo.Downloading && !lecture.DownloadInfo.Downloaded)
{
StartDownload(lecture);
}
}
}
}
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
if (journeyElementsLazyAsync == null)
{
ErrorReporting.Log("journeyElementsLazyAsync is null");
if (NavigationService.CanGoBack)
{
NavigationService.GoBack();
}
else
{
ErrorReporting.Log("Can not go back");
}
return;
}
if (journeyElementsLazyBlock != null)
{
if (journeyElements.ItemsSource == null)
{
journeyElementsLazyBlock.Refresh();
}
}
else
{
title.Text = trainTitle;
if (title.Text.Length > 40)
{
title.Text = title.Text.Replace(" to ", "\nto ");
}
journeyElementsLazyBlock = new LazyBlock <JourneyElement[]>(
"live progress",
"No information available",
journeyElementsLazyAsync,
items => items.Length == 0,
new LazyBlockUI <JourneyElement>(this, journeyElements, journeyElementsMessageTextBlock, journeyElementsLastUpdatedTextBlock),
Settings.GetBool(Setting.AutoRefresh),
null,
null,
null);
}
}
private void OnSendTextMessage(object sender, RoutedEventArgs e)
{
ErrorReporting.Log("OnSendTextMessage");
var departure = (Departure)((MenuItem)sender).DataContext;
var body =
"I'm taking the "
+ departure.Due
+ " train from "
+ departuresAndArrivalsTable.Station.Name
+ " to "
+ departuresAndArrivalsTable.Match(_ => departure.Destination, (_, destination) => destination.Name);
if (departure.ArrivalIsKnown)
{
body += ". I'll be there at " + departure.Arrival.Value.Value.Expected.Value;
}
new SmsComposeTask {
Body = body
}.Show();
}
