/// <summary>
/// 加载自定义视图（通常用于在线阅读）
/// </summary>
/// <param name="chapters">目录列表</param>
/// <param name="style">视图样式</param>
/// <param name="details">目录详情列表（其中包含单个章节的内容）</param>
public void LoadCustomView(List <Chapter> chapters, ReaderStyle style, List <ChapterDetail> details = null)
{
if (chapters == null || chapters.Count == 0 || style == null)
{
throw new ArgumentNullException();
}
OpenStarting?.Invoke(this, EventArgs.Empty);
if (_tempSpeechStream != null)
{
_tempSpeechStream.Dispose();
_tempSpeechStream = null;
}
ReaderType = _readerView.ReaderType = ReaderType.Custom;
Chapters = chapters;
ChapterLoaded?.Invoke(this, Chapters);
_readerView.ViewStyle = style;
UpdateBackground(style);
if (details != null)
{
CustomChapterDetailList = details;
}
else
{
CustomChapterDetailList = new List <ChapterDetail>();
}
OpenCompleted?.Invoke(this, EventArgs.Empty);
}
private void UpdateTxtStyle(ReaderStyle inputStyle = null)
{
if (inputStyle != null)
{
ViewStyle = inputStyle;
}
var style = ViewStyle;
foreach (var item in _displayContainer.Children)
{
if (item is RichTextBlock rtb)
{
rtb.FontFamily = new FontFamily(style.FontFamily);
rtb.FontSize = style.FontSize;
rtb.Foreground = new SolidColorBrush(style.Foreground);
rtb.LineHeight = style.LineHeight;
rtb.Margin = style.Padding;
var title = rtb.Blocks.FirstOrDefault();
if (title != null)
{
title.FontSize = style.HeaderFontSize;
title.Margin = style.HeaderMargin;
}
rtb.Blocks.OfType <Paragraph>().Skip(1).ToList().ForEach(p => { p.Margin = new Thickness(0, style.SegmentSpacing / 2.0, 0, style.SegmentSpacing / 2.0); p.TextIndent = style.TextIndent * style.FontSize; });
}
else if (item is RichTextBlockOverflow of)
{
of.Margin = style.Padding;
}
}
}
private void UpdateEpubStyle(ReaderStyle inputStyle = null)
{
if (inputStyle != null)
{
ViewStyle = inputStyle;
}
var style = ViewStyle;
foreach (var item in _displayContainer.Children)
{
if (item is RichTextBlock rtb)
{
rtb.FontFamily = new FontFamily(style.FontFamily);
rtb.FontSize = style.FontSize;
rtb.Foreground = new SolidColorBrush(style.Foreground);
rtb.LineHeight = style.LineHeight;
rtb.Margin = style.Padding;
rtb.Blocks.OfType <Paragraph>().Where(p => p.Inlines.Count > 0 && !(p.Inlines.First() is InlineUIContainer)).ToList().ForEach(p => { p.Margin = new Thickness(0, style.SegmentSpacing / 2.0, 0, style.SegmentSpacing / 2.0); p.TextIndent = style.TextIndent * style.FontSize; });
}
else if (item is RichTextBlockOverflow of)
{
of.Margin = style.Padding;
}
}
}
public void EpubInit(EpubBook book, ReaderStyle style)
{
Book = book;
ViewStyle = style;
helper = new HtmlHelper(book.Resources.Images.ToList(), style);
helper.LinkTapped += (_s, _e) => { LinkTapped?.Invoke(_s, _e); };
helper.ImageTapped += (_s, _e) => { ImageTapped?.Invoke(_s, _e); };
}
/// <summary>
/// 打开书籍文件
/// </summary>
/// <param name="bookFile">书籍文件</param>
/// <param name="style">阅读器样式</param>
/// <param name="chapters">外部导入的目录（通常是前一次生成的目录，以避免重复生成目录），为<c>null</c>或空列表将重新生成目录</param>
/// <returns></returns>
public async Task OpenAsync(StorageFile bookFile, ReaderStyle style, List <Chapter> chapters = null)
{
if (bookFile == null)
{
throw new ArgumentNullException();
}
string extension = Path.GetExtension(bookFile.Path).ToLower();
if (extension != ".epub" && extension != ".txt")
{
throw new NotSupportedException("File type not support (Currently only support txt and epub file)");
}
OpenStarting?.Invoke(this, EventArgs.Empty);
if (_tempSpeechStream != null)
{
_tempSpeechStream.Dispose();
_tempSpeechStream = null;
}
bool hasExternalChapters = chapters != null && chapters.Count > 0;
if (hasExternalChapters)
{
Chapters = chapters;
ChapterLoaded?.Invoke(this, Chapters);
}
_readerView.ViewStyle = style;
UpdateBackground(style);
if (extension.ToLower() == ".txt")
{
ReaderType = _readerView.ReaderType = ReaderType.Txt;
_readerView.SetVirtualMode(true);
if (!hasExternalChapters)
{
Chapters = await GetTxtChapters(bookFile);
ChapterLoaded?.Invoke(this, Chapters);
}
_txtContent = await GetTxtContent(bookFile);
}
else
{
_readerView.SetVirtualMode(false);
ReaderType = _readerView.ReaderType = ReaderType.Epub;
_epubContent = await EpubReader.Read(bookFile, Encoding.Default);
if (!hasExternalChapters)
{
Chapters = GetEpubChapters(_epubContent);
ChapterLoaded?.Invoke(this, Chapters);
}
_readerView.EpubInit(_epubContent, style);
}
OpenCompleted?.Invoke(this, EventArgs.Empty);
}
public override void UpdateStyle(ReaderStyle style = null)
{
if (ReaderType == ReaderType.Epub)
{
UpdateEpubStyle(style);
}
else
{
UpdateTxtStyle(style);
}
}
/// <summary>
/// 更新阅读器样式（视图与样式需匹配，比如阅读Txt时需传入TxtViewStyle）
/// </summary>
/// <param name="style">阅读器样式</param>
public void UpdateStyle(ReaderStyle style)
{
if ((ReaderType == Enums.ReaderType.Txt && !(style is TxtViewStyle)) ||
(ReaderType == Enums.ReaderType.Epub && !(style is EpubViewStyle)))
{
throw new ArgumentException("The format of the view and style must match");
}
var view = _mainPresenter.Content as ReaderViewBase;
if (view != null)
{
view.UpdateStyle(style);
}
}
public override void UpdateStyle(ReaderStyle inputStyle = null)
{
if (inputStyle != null)
{
ViewStyle = inputStyle;
}
var style = ViewStyle as TxtViewStyle;
if (style.IsAcrylicBackground)
{
var opacity = Convert.ToInt32(style.Background.A) / 255.0;
var tempBackground = style.Background;
tempBackground.A = 255;
var acrylic = new AcrylicBrush()
{
TintColor = tempBackground,
TintOpacity = opacity,
FallbackColor = style.Background,
BackgroundSource = AcrylicBackgroundSource.HostBackdrop
};
Background = acrylic;
}
else
{
Background = new SolidColorBrush(style.Background);
}
foreach (var item in _displayContainer.Children)
{
if (item is RichTextBlock rtb)
{
rtb.FontFamily = new FontFamily(style.FontFamily);
rtb.FontSize = style.FontSize;
rtb.Foreground = new SolidColorBrush(style.Foreground);
rtb.LineHeight = style.LineHeight;
rtb.Margin = style.Padding;
var title = rtb.Blocks.FirstOrDefault();
if (title != null)
{
title.FontSize = style.HeaderFontSize;
title.Margin = style.HeaderMargin;
}
}
else if (item is RichTextBlockOverflow of)
{
of.Margin = style.Padding;
}
}
}
/// <summary>
/// 更新阅读器背景
/// </summary>
/// <param name="style">阅读器样式</param>
public void UpdateBackground(ReaderStyle style)
{
if (style.IsAcrylicBackground)
{
var opacity = Convert.ToInt32(style.Background.A) / 255.0;
var tempBackground = style.Background;
tempBackground.A = 255;
var acrylic = new AcrylicBrush()
{
TintColor = tempBackground,
TintOpacity = opacity,
FallbackColor = style.Background,
BackgroundSource = AcrylicBackgroundSource.HostBackdrop
};
_rootGrid.Background = acrylic;
_readerView.Background = acrylic;
}
else
{
_rootGrid.Background = _readerView.Background = new SolidColorBrush(style.Background);
}
}
public virtual void UpdateStyle(ReaderStyle style = null)
{
}
/// <summary>
/// 打开书籍文件
/// </summary>
/// <param name="bookFile">书籍文件</param>
/// <param name="style">阅读器样式</param>
/// <returns></returns>
public async Task OpenAsync(StorageFile bookFile, ReaderStyle style)
{
if (bookFile == null)
{
throw new ArgumentNullException();
}
string extension = Path.GetExtension(bookFile.Path).ToLower();
if (extension != ".epub" && extension != ".txt")
{
throw new NotSupportedException("File type not support (Currently only support txt and epub file)");
}
OpenStarting?.Invoke(this, EventArgs.Empty);
if (extension == ".txt")
{
if (!(style is TxtViewStyle))
{
throw new ArgumentException("Open txt file need TxtViewStyle argument");
}
ReaderType = Enums.ReaderType.Txt;
Chapters = await GetTxtChapters(bookFile);
ChapterLoaded?.Invoke(this, Chapters);
if (_mainPresenter.Content == null || !(_mainPresenter.Content is TxtView))
{
if (_txtView == null)
{
_txtView = new TxtView();
_txtView.PrevPageSelected += OnPrevPageSelected;
_txtView.NextPageSelected += OnNextPageSelected;
_txtView.LoadingStatusChanged += OnLoad;
_txtView.ProgressChanged += OnProgressChanged;
_txtView.TouchHolding += OnTouchHolding;
_txtView.TouchTapped += (_s, _e) => { TouchTapped?.Invoke(_s, _e); };
_txtView.Loaded += (_s, _e) =>
{
_txtView.SingleColumnMaxWidth = SingleColumnMaxWidth;
_txtView.ReaderFlyout = ReaderFlyout;
ViewLoaded?.Invoke(this, EventArgs.Empty);
};
}
_mainPresenter.Content = _txtView;
}
_txtContent = await GetTxtContent(bookFile);
_txtView.ViewStyle = style as TxtViewStyle;
}
else
{
if (!(style is EpubViewStyle))
{
throw new ArgumentException("Open epub file need EpubViewStyle argument");
}
ReaderType = Enums.ReaderType.Epub;
_epubContent = await EpubReader.Read(bookFile, Encoding.Default);
Chapters = GetEpubChapters(_epubContent);
ChapterLoaded?.Invoke(this, Chapters);
if (_mainPresenter.Content == null || !(_mainPresenter.Content is EpubView))
{
if (_epubView == null)
{
_epubView = new EpubView();
_epubView.PrevPageSelected += OnPrevPageSelected;
_epubView.NextPageSelected += OnNextPageSelected;
_epubView.LoadingStatusChanged += OnLoad;
_epubView.ProgressChanged += OnProgressChanged;
_epubView.TouchHolding += OnTouchHolding;
_epubView.TouchTapped += (_s, _e) => { TouchTapped?.Invoke(_s, _e); };
_epubView.Loaded += (_s, _e) =>
{
_epubView.SingleColumnMaxWidth = SingleColumnMaxWidth;
_epubView.ReaderFlyout = ReaderFlyout;
ViewLoaded?.Invoke(this, EventArgs.Empty);
};
_epubView.LinkTapped += (_s, _e) => { LinkTapped?.Invoke(this, _e); };
_epubView.ImageTapped += (_s, _e) => { ImageTapped?.Invoke(this, _e); };
}
_mainPresenter.Content = _epubView;
}
_epubView.Init(_epubContent, style as EpubViewStyle);
}
OpenCompleted?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// 更新阅读器样式
/// </summary>
/// <param name="style">阅读器样式</param>
public void UpdateStyle(ReaderStyle style)
{
UpdateBackground(style);
_readerView.UpdateStyle(style);
}
