private async Task DownloadAsync()
{
//Try to initialize the source.
DetailedProgress_Box.AppendText("Initalize Mango Source... \n");
Mango_Source my_source = await Mango_Source.Factory.get_new_Async(SourcesList_ComboBox.SelectedItem.ToString(), SourceUrl_Box.Text);
//Source is OK, create downloader
DetailedProgress_Box.AppendText("Initalize Downloader... \n");
Mango_Downloader my_downloader = new Mango_Downloader(my_source, SaveTo_TextBox.Text);
//Everything is good. Start downloading.
DetailedProgress_Box.AppendText("Downloading...\n.\n.\n.\n");
do
{
await my_downloader.DownloadCurrentPageAsync();
DetailedProgress_Box.AppendText(my_downloader.current_filename + " downloaded\n");
int completed = my_downloader.completed_percentage();
progressBar1.Value = completed;
} while (await my_downloader.get_next_page_Async() == true);
//everything is good.
progressBar1.Value = 100;
DetailedProgress_Box.AppendText("Completed!\n");
}
private async void Download_Button_Click(object sender, EventArgs e)
{
/*User Initalize the Download.*/
//Reset the Progress bar.
progressBar1.Value = 0;
try
{
DetailedProgress_Box.AppendText("Checking Source... \n");
if (SourcesList_ComboBox.SelectedItem == null)
{
//User has not choosen the source
DetailedProgress_Box.AppendText("Please choose the source from the Source list!\n");
throw new MangoException("Can't Initialize Mango_Source! Null Source");
}
if (string.IsNullOrEmpty(SourceUrl_Box.Text))
{
//User has not provided the URL
DetailedProgress_Box.AppendText("Please enter the URL to download!");
throw new MangoException("Can't Initalize Mango_Source! Null URL");
}
await DownloadAsync();
}
catch (Exception ex)
{
StringBuilder str = new StringBuilder();
str.AppendFormat("Something is wrong! \n {0} \n Detailed Inner Exception: {1}\n", ex.Message, ex.InnerException);
DetailedProgress_Box.AppendText(str.ToString());
}
}