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using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
namespace Xamarin.Forms.Controls
{
[Preserve (AllMembers = true)]
[Issue (IssueTracker.Bugzilla, 32033, "WebView on Windows does not display local HTML files", PlatformAffected.WinRT)]
public class Bugzilla32033 : TestNavigationPage
{
protected override void Init ()
{
PushAsync(Menu());
}
ContentPage Menu()
{
var page = new ContentPage();
var layout = new StackLayout();
var buttonLocal = new Button() {Text = "Local HTML file"};
buttonLocal.Clicked += (sender, args) => Navigation.PushAsync(LocalUrl());
var buttonHtmlString = new Button() {Text = "HTML string with links/refs to local files"};
buttonHtmlString.Clicked += (sender, args) => Navigation.PushAsync(HtmlString());
var buttonHtmlStringNoHead = new Button() {Text = "HTML string with links/refs to local files (no <head>)"};
buttonHtmlStringNoHead.Clicked += (sender, args) => Navigation.PushAsync(HtmlStringNoHead());
layout.Children.Add(buttonLocal);
layout.Children.Add(buttonHtmlString);
layout.Children.Add(buttonHtmlStringNoHead);
page.Content = layout;
return page;
}
static ContentPage LocalUrl()
{
var page = new ContentPage();
var instructions = new Label
{
Text = @"The WebView below should contain the heading 'Xamarin Forms' and text reading 'This is a local HTML page'. All text should be italicized."
};
var webView = new WebView
{
WidthRequest = 300,
HeightRequest = 500,
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill,
Source = new UrlWebViewSource() { Url = "local.html" }
};
var layout = new StackLayout { Children = { instructions, webView } };
page.Content = layout;
return page;
}
static ContentPage HtmlString()
{
var page = new ContentPage();
var instructions = new Label
{
Text =
@"The WebView below should contain the heading 'Xamarin Forms', display the Xamarin logo, and have a link labeled 'next page'.
Clicking that link should navigate to a page with the heading 'Xamarin Forms' and text reading 'This is a local HTML page'. All text on both pages should be italicized."
};
var webView = new WebView
{
WidthRequest = 300,
HeightRequest = 500,
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill,
Source = new HtmlWebViewSource
{
Html = @"<html>
<head>
<link rel=""stylesheet"" href=""default.css"">
</head>
<body>
<h1>Xamarin.Forms</h1>
<p>The CSS and image are loaded from local files!</p>
<img src='WebImages/XamarinLogo.png'/>
<p><a href=""local.html"">next page</a></p>
</body>
</html>"
}
};
var layout = new StackLayout {HorizontalOptions = LayoutOptions.Fill, VerticalOptions = LayoutOptions.Fill, Children = { instructions, webView } };
page.Content = layout;
return page;
}
// This test verifies that the <base> injection solution works even if the HTML string doesn't explicitly include a <head> section
static ContentPage HtmlStringNoHead()
{
var page = new ContentPage();
var instructions = new Label
{
Text =
@"The WebView below should contain the heading 'Xamarin Forms', display the Xamarin logo, and have a link labeled 'next page'.
Clicking that link should navigate to a page with the heading 'Xamarin Forms' and text reading 'This is a local HTML page'. "
};
var webView = new WebView
{
WidthRequest = 300,
HeightRequest = 500,
HorizontalOptions = LayoutOptions.Fill,
VerticalOptions = LayoutOptions.Fill,
Source = new HtmlWebViewSource
{
Html = @"<html>
<body>
<h1>Xamarin.Forms</h1>
<p>The CSS and image are loaded from local files!</p>
<img src='WebImages/XamarinLogo.png'/>
<p><a href=""local.html"">next page</a></p>
</body>
</html>"
}
};
var layout = new StackLayout {HorizontalOptions = LayoutOptions.Fill, VerticalOptions = LayoutOptions.Fill, Children = { instructions, webView } };
page.Content = layout;
return page;
}
}
}
|
