public ViewTest()
{
InitializeComponent();
var task = new BookIndexViewModel.DownloadTask();
chapter = new Chapter();
chapter.ChapterName = "人类已经不能阻挡我了";
chapter.ChapterUri = new Uri("http://www.83k.com/Html/Book/12/12342/4020652.shtml",
UriKind.Absolute);
task.TaskChapter = chapter;
//DownloadChapter(task);
}
public void PrepareTempDB()
{
using (var db1 = new SmartReaderDataContext("isostore:/SmartReader.sdf"))
{
if (db1.DatabaseExists() == false)
{
db1.CreateDatabase();
}
}
Storage = PhoneStorage.GetPhoneStorageInstance();
TestWebSite = GetFakeWebSite();
TestBook = GetFakeBook(TestWebSite);
TestTextChapter = GetFakeTextChapter(TestBook);
TestImageChapter = GetFakeImageChapter(TestBook);
TestBook.Chapters = new[]{ TestTextChapter, TestImageChapter};
Storage.SaveWebSite(TestWebSite);
Storage.SaveBook(TestBook);
Storage.SaveChapters(TestBook.Chapters);
//CreateFakeArticleImage(chapter);
}
/// <summary>
/// Download single chapter, should be active from the ChapterView Page
/// </summary>
/// <param name="chapter"></param>
/// <param name="callback"></param>
public void DownloadSingleChapter(Chapter chapter, Action callback)
{
var downloader = new HttpContentDownloader();
downloader.Download(chapter.ChapterUri, ar =>
{
try
{
//At this step, we can get the index page in the search engine
var state = (RequestState)ar.AsyncState;
state.stopTimer = true;
var response = (HttpWebResponse)state.Request.EndGetResponse(ar);
response.GetResponseStream();
var parser = new WebSiteBookContentPageParser();
parser.ParsingCompleted += ChapterContentParsingCompleted;
chapter.Downloaded = true;
parser.Parse(response.GetResponseStream(), chapter);
if (callback != null)
{
callback();
}
}
catch (WebException e)
{
//TODO need to recover from exception
ExceptionHandler.HandleException(e);
}
});
}
public void PreviousChapter()
{
if (CurrentChapterIndex - 1 > 0)
{
CurrentChapterIndex--;
CurrentChapter = CurrentBook.Chapters[CurrentChapterIndex];
}
}
public void NextChapter()
{
if (CurrentChapterIndex + 1 < CurrentBook.Chapters.Length)
{
CurrentChapterIndex++;
CurrentChapter = CurrentBook.Chapters[CurrentChapterIndex];
}
}
private void ParseIndexContent ( HtmlNode node )
{
//<a href="3939265.html" title="第一章 大梦初醒 更新时间：2010-03-22 00:17">第一章 大梦初醒</a>
var chapter = new Chapter { LastUpdateTime = DateTime.Now};
chapter.ChapterName = node.InnerText;
if (node.Attributes["href"].Value.ToLower().Contains("http"))
{
chapter.ChapterUri = new Uri(node.Attributes["href"].Value, UriKind.Absolute);
}
else
{
var baseUri = new Uri(book.RootUrl);
chapter.ChapterUri = new Uri(baseUri , node.Attributes["href"].Value); //Take care of the double "//" problem
}
chapter.Book = book;
chapterList.Add(chapter);
}
private ArticleImage CreateFakeArticleImage(Chapter chapter)
{
var image = new ArticleImage();
// image.Chapter = chapter;
var bitMapImage = new BitmapImage();
GifDecoder gd = new GifDecoder();
var img = new ImageTools.ExtendedImage();
gd.Decode(img, Application.GetResourceStream(
new Uri("/SmartReader.Library;component/Resource/8004887.gif", UriKind.Relative)
).Stream);
var png = new PngEncoder();
BitmapImage bitmap = new BitmapImage();
bitmap.CreateOptions = BitmapCreateOptions.None;
using (MemoryStream stream = new MemoryStream())
{
png.Encode(img, stream);
bitmap.SetSource(stream);
}
image.ImageBytes = ConvertToBytes(bitmap);
Storage.SaveArticleImages(new[] { image });
return image;
}
private Chapter CreateFakeChapter(Book book)
{
var chapter = new Chapter();
chapter.Book = book;
chapter.SaveContent1 = "String Content";
chapter.ChapterUri = new Uri("http://www.tszw.net/files/article/html/79/79194/2417331.html", UriKind.Absolute);
chapter.ChapterName = "敌手的面目";
chapter.LastUpdateTime = DateTime.Now;
chapter.IsImageContent = true;
//db.Chapters.InsertOnSubmit(chapter);
Storage.SaveChapters(new Chapter[] { chapter });
return chapter;
}
public void SaveChapter(Chapter chapter)
{
_db.Chapters.Attach(chapter);
_db.SubmitChanges();
}
public IEnumerable<ArticleImage> GetArticleImageByChapter(Chapter currentChapter)
{
var result = from articleImage in _db.ArticleImages
where articleImage.ChapterId == currentChapter.Id orderby articleImage.SequenceId
select articleImage ;
return result;
}
//As for state we need to parse book metadata to here
public object Parse(Stream inputStream, object state)
{
Metadata = state as Chapter;
Book book = null;
bool getIndexPage = false;
if (Metadata == null )
{
book = state as Book;
getIndexPage = true;
}
var content1 = EncodingHelper.FromGBKToUnicode(inputStream);
inputStream.Close();
var doc = new HtmlDocument();
doc.LoadHtml(content1);
var body = hh.GetSingleChildByTypeChain(doc.DocumentNode, new[] {"html", "body"});
if (body == null) body = doc.DocumentNode;
if (getIndexPage && book != null )
{
//GetIndexPageLink(body, book);
GetIndexPageLinkNew(body,book);
return null;
}
CleanHtmlTree(body);
var contentNode = GetContentNode(body);
if (IsContentImage(contentNode))
{
Metadata.IsImageContent = true;
var imageNodes = new List<HtmlNode>();
hh.GetAllImageElementWithFilter(contentNode, imageNodes);
GetImageContents(imageNodes);
}
else
{
var textNodes = new List<HtmlNode>();
hh.GetAllTextElement(contentNode, textNodes);
if (Metadata != null)
{
var content = NormalizeContentNode(textNodes);
if (content.Length > 4000)
{
Metadata.SaveContent1 = content.Substring(0, 4000);
Metadata.SaveContent2 = content.Substring(4000, content.Length - 4000);
}
else
{
Metadata.SaveContent1 = content;
}
}
}
Deployment.Current.Dispatcher.BeginInvoke(() =>
{ Metadata.Downloaded = true; }
);
return Metadata;
}
