public void Start()
{
lock (_lock)
{
if (IsDownloading)
{
return;
}
if (_downloadQueue == null)
{
_downloadQueue = new OfflineDownloadQueue();
_downloadQueue.DownloadCompleted += OfflineDownload_Completed;
_downloadQueue.ContentDownloadCompleted += OfflineContentDownload_Completed;
}
if (App.Settings.OfflineContentManager.DownloadQueue.Count > 0)
{
DisableIdleDetection();
IsDownloading = true;
_downloadQueue.SetDownloadContents(App.Settings.OfflineContentManager.DownloadQueue);
_downloadQueue.StartDownload(App.WebSession.CreateWebClient(), null);
}
}
}
protected override void OnNavigatedTo(System.Windows.Navigation.NavigationEventArgs e)
{
PageHelper.InitAdControl(AdGrid);
var parameters = NavigationContext.QueryString;
String _url = null;
String _type = null;
String _name = null;
if (parameters.ContainsKey("Type"))
{
_type = parameters["Type"].ToLower();
}
if (parameters.ContainsKey("Url"))
{
_url = parameters["Url"].ToLower();
}
if (parameters.ContainsKey("Name"))
{
_name = parameters["Name"].ToLower();
}
else
{
_name = "离线内容";
}
if (State.ContainsKey("DownloadCompleted"))
{
_downloadCompleted = (bool)State["DownloadCompleted"];
}
MitbbsOfflineContentType contentType = MitbbsOfflineContentType.Unknown;
if (_downloader == null)
{
if (_type == "home")
{
contentType = MitbbsOfflineContentType.Home;
}
else if (_type == "userhome")
{
contentType = MitbbsOfflineContentType.UserHome;
}
else if (_type == "board")
{
contentType = MitbbsOfflineContentType.Board;
}
else if (_type == "clubboard")
{
contentType = MitbbsOfflineContentType.ClubBoard;
}
else if (_type == "topic")
{
contentType = MitbbsOfflineContentType.Topic;
}
else if (_type == "clubtopic")
{
contentType = MitbbsOfflineContentType.ClubTopic;
}
if (_url != null && !App.Settings.OfflineContentManager.AddContentToQueue(_url, _name, contentType))
{
MessageBox.Show("无法识别离线内容的类型", "无法添加离线内容到下载队列", MessageBoxButton.OK);
NavigationService.GoBack();
return;
}
else
{
if (_url != null)
{
App.Settings.SaveToStorage();
MessageBoxResult result = MessageBox.Show("现在开始下载下载队列中的所有内容吗？如果选择关闭，你可以之后在离线内容页面里选择继续下载队列中的项目。", "离线内容已成功添加至队列", MessageBoxButton.OKCancel);
if (result == MessageBoxResult.Cancel)
{
_downloadCompleted = true;
NavigationService.GoBack();
}
}
_downloader = new OfflineDownloadQueue();
}
}
else if (_downloader.IsDownloading)
{
DisableIdleDetection();
}
if (_downloader != null && !_downloadCompleted && !_downloader.IsDownloading)
{
StartDownload();
}
UpdateButtonStates();
}
private void OfflineContentDownload_Completed(object sender, OfflineDownloadQueue.DownloadQueueContentCompletedEventArgs e)
{
if (e.Success)
{
App.Settings.OfflineContentManager.MoveQueuedContentToIndex(e.Content);
App.Settings.SaveToStorage();
}
}
private void OfflineContentDownload_Completed(object sender, OfflineDownloadQueue.DownloadQueueContentCompletedEventArgs e)
{
if (e.Success)
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(
() =>
{
App.Settings.OfflineContentManager.MoveQueuedContentToIndex(e.Content);
App.Settings.SaveToStorage();
}
);
}
else
{
if (AppUtil.AppInfo.IsNetworkConnected())
{
e.Content.Failed = true;
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(
() =>
{
App.Settings.OfflineContentManager.MoveQueuedContentToIndex(e.Content);
App.Settings.SaveToStorage();
}
);
}
else
{
e.Content.Failed = false;
}
}
}