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fix issue Code52#398 Nightly does not keep scrolling in sync
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,121 +1,137 @@ | ||
| using System; | ||
| using System.Windows; | ||
| using System.Windows.Controls; | ||
| using CefSharp; | ||
|
|
||
| namespace MarkPad.Preview | ||
| { | ||
| public partial class HtmlPreview : UserControl | ||
| { | ||
| public static void Init() | ||
| { | ||
| CefSharp.Settings settings = new CefSharp.Settings(); | ||
| if (CEF.Initialize(settings)) | ||
| { | ||
| CEF.RegisterScheme("theme", new ThemeSchemeHandlerFactory()); | ||
| //CEF.RegisterScheme("test", new SchemeHandlerFactory()); | ||
| //CEF.RegisterJsObject("bound", new BoundObject()); | ||
| } | ||
| } | ||
|
|
||
| public static string BaseDirectory { get; set; } | ||
|
|
||
| #region public string Html | ||
|
|
||
| public static DependencyProperty HtmlProperty = | ||
| DependencyProperty.Register("Html", typeof(string), typeof(HtmlPreview), new PropertyMetadata(" ", HtmlChanged)); | ||
|
|
||
| public string Html | ||
| { | ||
| get { return (string)GetValue(HtmlProperty); } | ||
| set { SetValue(HtmlProperty, value); } | ||
| } | ||
|
|
||
| #endregion public string Html | ||
|
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||
| #region public string FileName | ||
|
|
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| public static readonly DependencyProperty FileNameProperty = | ||
| DependencyProperty.Register("FileName", typeof(string), typeof(HtmlPreview), new PropertyMetadata("", FileNameChanged)); | ||
|
|
||
| public string FileName | ||
| { | ||
| get { return (string)GetValue(FileNameProperty); } | ||
| set { SetValue(FileNameProperty, value); } | ||
| } | ||
|
|
||
| #endregion public string FileName | ||
|
|
||
| #region public double ScrollPercentage | ||
|
|
||
| public static DependencyProperty ScrollPercentageProperty = | ||
| DependencyProperty.Register("ScrollPercentage", typeof(double), typeof(HtmlPreview), new PropertyMetadata(0d, ScrollPercentageChanged)); | ||
|
|
||
| public string ScrollPercentage | ||
| { | ||
| get { return (string)GetValue(ScrollPercentageProperty); } | ||
| set { SetValue(ScrollPercentageProperty, value); } | ||
| } | ||
|
|
||
| #endregion public double ScrollPercentage | ||
|
|
||
| public HtmlPreview() | ||
| { | ||
| InitializeComponent(); | ||
| } | ||
|
|
||
| public void Print() | ||
| { | ||
| if (host.IsBrowserInitialized) | ||
| host.Print(); | ||
| } | ||
|
|
||
| private static void HtmlChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) | ||
| { | ||
| var htmlPreview = (HtmlPreview)d; | ||
| if (htmlPreview.host != null && htmlPreview.host.IsBrowserInitialized) | ||
| htmlPreview.host.LoadHtml((string)e.NewValue); | ||
| } | ||
|
|
||
| private static void FileNameChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) | ||
| { | ||
| var htmlPreview = (HtmlPreview)d; | ||
| if (htmlPreview.host != null && htmlPreview.host.IsBrowserInitialized) | ||
| htmlPreview.host.Title = (string)e.NewValue; | ||
| } | ||
|
|
||
| private static void ScrollPercentageChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) | ||
| { | ||
| var htmlPreview = (HtmlPreview)d; | ||
| if (htmlPreview.host != null && htmlPreview.host.IsBrowserInitialized) | ||
| { | ||
| var javascript = string.Format("window.scrollTo(0,{0} * (document.body.scrollHeight - document.body.clientHeight));", e.NewValue); | ||
| htmlPreview.host.ExecuteScript(javascript); | ||
| } | ||
| } | ||
|
|
||
| public override void OnApplyTemplate() | ||
| { | ||
| base.OnApplyTemplate(); | ||
|
|
||
| host.PropertyChanged += host_PropertyChanged; | ||
| } | ||
|
|
||
| private void host_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e) | ||
| { | ||
| switch (e.PropertyName) | ||
| { | ||
| case "IsBrowserInitialized": | ||
| if (host.IsBrowserInitialized) | ||
| Dispatcher.BeginInvoke((Action)InitializeData); | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| private void InitializeData() | ||
| { | ||
| host.LoadHtml(Html); | ||
| host.Title = FileName; | ||
| } | ||
| } | ||
| using System; | ||
| using System.Windows; | ||
| using System.Windows.Controls; | ||
| using CefSharp; | ||
|
|
||
| namespace MarkPad.Preview | ||
| { | ||
| public partial class HtmlPreview : UserControl | ||
| { | ||
| public static void Init() | ||
| { | ||
| CefSharp.Settings settings = new CefSharp.Settings(); | ||
| if (CEF.Initialize(settings)) | ||
| { | ||
| CEF.RegisterScheme("theme", new ThemeSchemeHandlerFactory()); | ||
| //CEF.RegisterScheme("test", new SchemeHandlerFactory()); | ||
| //CEF.RegisterJsObject("bound", new BoundObject()); | ||
| } | ||
| } | ||
|
|
||
| public static string BaseDirectory { get; set; } | ||
|
|
||
| #region public string Html | ||
|
|
||
| public static DependencyProperty HtmlProperty = | ||
| DependencyProperty.Register("Html", typeof(string), typeof(HtmlPreview), new PropertyMetadata(" ", HtmlChanged)); | ||
|
|
||
| public string Html | ||
| { | ||
| get { return (string)GetValue(HtmlProperty); } | ||
| set { SetValue(HtmlProperty, value); } | ||
| } | ||
|
|
||
| #endregion public string Html | ||
|
|
||
| #region public string FileName | ||
|
|
||
| public static readonly DependencyProperty FileNameProperty = | ||
| DependencyProperty.Register("FileName", typeof(string), typeof(HtmlPreview), new PropertyMetadata("", FileNameChanged)); | ||
|
|
||
| public string FileName | ||
| { | ||
| get { return (string)GetValue(FileNameProperty); } | ||
| set { SetValue(FileNameProperty, value); } | ||
| } | ||
|
|
||
| #endregion public string FileName | ||
|
|
||
| #region public double ScrollPercentage | ||
|
|
||
| public static DependencyProperty ScrollPercentageProperty = | ||
| DependencyProperty.Register("ScrollPercentage", typeof(double), typeof(HtmlPreview), new PropertyMetadata(0d, ScrollPercentageChanged)); | ||
|
|
||
| public string ScrollPercentage | ||
| { | ||
| get { return (string)GetValue(ScrollPercentageProperty); } | ||
| set { SetValue(ScrollPercentageProperty, value); } | ||
| } | ||
|
|
||
| public double LastScrollPercentage; | ||
|
|
||
| #endregion public double ScrollPercentage | ||
|
|
||
| public HtmlPreview() | ||
| { | ||
| InitializeComponent(); | ||
| } | ||
|
|
||
| public void Print() | ||
| { | ||
| if (host.IsBrowserInitialized) | ||
| host.Print(); | ||
| } | ||
|
|
||
| public void RestoreLastScrollPercentage() | ||
| { | ||
| ExecuteScroll(this, LastScrollPercentage); | ||
| } | ||
|
|
||
| private static void HtmlChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) | ||
| { | ||
| var htmlPreview = (HtmlPreview)d; | ||
| if (htmlPreview.host != null && htmlPreview.host.IsBrowserInitialized) | ||
| { | ||
| htmlPreview.host.LoadHtml((string)e.NewValue); | ||
| htmlPreview.RestoreLastScrollPercentage(); | ||
| } | ||
| } | ||
|
|
||
| private static void FileNameChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) | ||
| { | ||
| var htmlPreview = (HtmlPreview)d; | ||
| if (htmlPreview.host != null && htmlPreview.host.IsBrowserInitialized) | ||
| htmlPreview.host.Title = (string)e.NewValue; | ||
| } | ||
|
|
||
| private static void ExecuteScroll(HtmlPreview htmlPreview, object scrollPercentage) | ||
| { | ||
| var javascript = string.Format("window.scrollTo(0,{0} * (document.body.scrollHeight - document.body.clientHeight));", scrollPercentage); | ||
| htmlPreview.host.ExecuteScript(javascript); | ||
| } | ||
|
|
||
| private static void ScrollPercentageChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) | ||
| { | ||
| var htmlPreview = (HtmlPreview)d; | ||
| if (htmlPreview.host != null && htmlPreview.host.IsBrowserInitialized) | ||
| { | ||
| ExecuteScroll(htmlPreview, e.NewValue); | ||
| htmlPreview.LastScrollPercentage = (double)e.NewValue; | ||
| } | ||
| } | ||
|
|
||
| public override void OnApplyTemplate() | ||
| { | ||
| base.OnApplyTemplate(); | ||
|
|
||
| host.PropertyChanged += host_PropertyChanged; | ||
| } | ||
|
|
||
| private void host_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e) | ||
| { | ||
| switch (e.PropertyName) | ||
| { | ||
| case "IsBrowserInitialized": | ||
| if (host.IsBrowserInitialized) | ||
| Dispatcher.BeginInvoke((Action)InitializeData); | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| private void InitializeData() | ||
| { | ||
| host.LoadHtml(Html); | ||
| host.Title = FileName; | ||
| } | ||
| } | ||
| } |