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Avoid flashing white when opening debuglog in dark theme.

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This commit is contained in:
Greyson Parrelli
2025-08-15 09:44:53 -04:00
parent 0ed4785935
commit b93937e866
4 changed files with 21 additions and 4 deletions
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7
debuglogs-viewer/lib/src/main/assets/debuglogs-viewer.html
View File

@@ -8,6 +8,13 @@
<head>
<meta charset="UTF-8">
<style>
/* We keep the background transparent to avoid white flashes in dark theme */
html, body {
background: transparent;
margin: 0;
padding: 0;
}
#container { position: absolute; top: 0; bottom: 0; left: 0; right: 0; height: 100%; width: 100%; }
.searchMatches { position: absolute; background-color: rgba(182, 190, 250, 0.4); }

11
debuglogs-viewer/lib/src/main/java/org/signal/debuglogsviewer/DebugLogsViewer.kt
View File

@@ -7,6 +7,7 @@ package org.signal.debuglogsviewer
import android.content.Context
import android.content.res.Configuration
import android.graphics.Color
import android.webkit.ValueCallback
import android.webkit.WebView
import android.webkit.WebViewClient
@@ -28,13 +29,14 @@ object DebugLogsViewer {
webview.isVerticalScrollBarEnabled = false
webview.isHorizontalScrollBarEnabled = false
webview.setBackgroundColor(Color.TRANSPARENT)
webview.background = null
webview.loadUrl("file:///android_asset/debuglogs-viewer.html")
webview.webViewClient = object : WebViewClient() {
override fun onPageFinished(view: WebView?, url: String?) {
// Set dark mode colors if in dark mode
val isDarkMode = (context.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES
if (isDarkMode) {
if (context.isDarkTheme) {
webview.evaluateJavascript("document.body.classList.add('dark');", null)
}
onFinished.run()
@@ -135,6 +137,9 @@ object DebugLogsViewer {
webview.evaluateJavascript("onSearchClose();", null)
}
private val Context.isDarkTheme
get() = (this.resources.configuration.uiMode and Configuration.UI_MODE_NIGHT_MASK) == Configuration.UI_MODE_NIGHT_YES
fun interface LogReader {
/** Returns the next bit of log, containing at most [size] lines (but may be less), or null if there are no logs remaining. */
fun nextChunk(size: Int): String?