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package org.terst.feedreader.ui
import android.content.Context
import android.view.View
import android.webkit.WebResourceRequest
import android.webkit.WebView
import android.webkit.WebViewClient
/**
* Shared factory for the read-only, dark-themed article WebView used by both the
* per-article ReaderScreen and LinkReaderScreen (for links tapped inside an article).
* JS is always off -- extracted/feed HTML never needs it, and this keeps articles
* from running arbitrary scripts. Link taps are intercepted rather than left to
* WebView's default behavior (handing off to the system browser) so following a
* link stays inside the app's own reader/extraction pipeline.
*/
fun newReaderWebView(context: Context, onOpenLink: (String) -> Unit): WebView =
WebView(context).apply {
settings.javaScriptEnabled = false
overScrollMode = View.OVER_SCROLL_NEVER
isVerticalScrollBarEnabled = false
isHorizontalScrollBarEnabled = false
webViewClient = object : WebViewClient() {
override fun shouldOverrideUrlLoading(view: WebView, request: WebResourceRequest): Boolean {
onOpenLink(request.url.toString())
return true
}
}
}
// Hardcoded dark palette, not @media (prefers-color-scheme) -- the app itself always
// forces dark colorScheme() regardless of system setting (see MainActivity), so reader
// content should match rather than following a system light/dark the app itself ignores.
fun wrapReaderHtml(bodyContent: String): String = """
<html><head><meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body { font-family: sans-serif; font-size: 18px; line-height: 1.5; padding: 16px;
background-color: #121212; color: #e1e1e1; }
a { color: #8ab4f8; }
img { max-width: 100%; height: auto; }
svg { max-width: 100%; }
/* A decorative icon (section badge, share glyph, etc.) that slipped through
extraction relies on the source site's own stylesheet for its real display
size (commonly Tailwind classes like "h-5 w-5") -- which we don't load here.
An <svg> with no explicit width/height falls back to the browser's default
(much larger than any inline icon is meant to be, confirmed live: Ars
Technica's per-article section-badge icon rendering "giant"). One WITH
explicit width/height was deliberately sized by the page itself, so leave
those alone -- just cap the ones that would otherwise size themselves. */
svg:not([width]):not([height]) { max-width: 32px; max-height: 32px; }
</style></head>
<body>$bodyContent</body></html>
""".trimIndent()
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