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feat(ui): added header and margin for print Emails #10932

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feat(ui): added header and margin for print Emails #10932

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ba74051
feat(ui): Added header and margin for print Emails
saisafe Apr 21, 2026
f1ef705
feat(ui): Regex method to remove hyperlinks.
saisafe Apr 22, 2026
446c5b7
feat(ui): Added sender Email-ID and final null checks
saisafe Apr 22, 2026
7d332f2
fix: codestyle changes
saisafe Apr 25, 2026
ecb390e
seperate class
saisafe Apr 29, 2026
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104 changes: 104 additions & 0 deletions legacy/ui/legacy/src/main/java/com/fsck/k9/ui/messageview/MessagePrinter.kt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,104 @@
package com.fsck.k9.ui.messageview

import android.content.Context
import android.print.PrintAttributes
import android.print.PrintManager
import com.fsck.k9.mail.Address
import com.fsck.k9.mail.Message
import com.fsck.k9.mailstore.MessageViewInfo
import com.fsck.k9.view.MessageWebView
import java.text.SimpleDateFormat
import java.util.Locale

class MessagePrinter(
private val context: Context,
private val appName: String,
private val noSubjectText: String,
) {
fun print(messageViewInfo: MessageViewInfo) {
val printManager = context.getSystemService(Context.PRINT_SERVICE) as? PrintManager ?: return

val subject = messageViewInfo.message.subject ?: noSubjectText
val headerHtml = buildHeaderHtml(messageViewInfo)
val cleanBodyHtml = (messageViewInfo.text ?: "")
.replace(Regex("(?i)<a\\b[^>]*>"), "")
.replace(Regex("(?i)</a>"), "")
val fullHtml = buildFullHtml(headerHtml, cleanBodyHtml)

val printWebView = MessageWebView(context)
printWebView.displayHtmlContentWithInlineAttachments(
htmlText = fullHtml,
attachmentResolver = null,
onPageFinishedListener = {
val jobName = "$appName: $subject"
val printAdapter = printWebView.createPrintDocumentAdapter(jobName)
printManager.print(jobName, printAdapter, PrintAttributes.Builder().build())
},
)
}

private fun buildFullHtml(headerHtml: String, bodyHtml: String): String = """
<html>
<head>
<style>
@page {
margin: 24px;
}
.page-wrapper {
padding: 24px;
font-family: Arial, sans-serif;
color: #000;
}
.page-wrapper > div p {
margin: 4px 0;
}
</style>
</head>
<body>
<div class="page-wrapper">
$headerHtml
$bodyHtml
</div>
</body>
</html>
""".trimIndent()

private fun buildHeaderHtml(messageViewInfo: MessageViewInfo): String {
val message = messageViewInfo.message

val subject = (message.subject ?: noSubjectText)
.replace("<", "&lt;")
.replace(">", "&gt;")

val from = message.from
?.joinToString(", ") { it.toDisplayString() }
?: ""

val to = message.getRecipients(Message.RecipientType.TO)
?.joinToString(", ") { it.toDisplayString() }
?: ""

val date = message.sentDate?.let {
SimpleDateFormat("M/d/yyyy, h:mm a", Locale.getDefault()).format(it)
} ?: ""

return """
<div style="font-size:15px; margin-bottom:16px;">
<p><b>Subject:</b> $subject</p>
<p><b>From:</b> $from</p>
<p><b>Date:</b> $date</p>
<p><b>To:</b> $to</p>
</div>
<hr style="border:none; border-top:1px solid #ccc; margin:12px 0;">
""".trimIndent()
}

private fun Address.toDisplayString(): String {
val name = personal ?: ""
return if (name.isNotBlank() && address.isNotBlank()) {
"$name &lt;$address&gt;"
} else {
address ?: ""
}
}
}
23 changes: 6 additions & 17 deletions legacy/ui/legacy/src/main/java/com/fsck/k9/ui/messageview/MessageViewFragment.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,6 @@ import android.net.Uri
import android.os.Bundle
import android.os.Parcelable
import android.os.SystemClock
import android.print.PrintAttributes
import android.print.PrintManager
import android.view.ContextThemeWrapper
import android.view.LayoutInflater
import android.view.Menu
Expand All @@ -20,7 +18,6 @@ import android.view.MenuItem
import android.view.View
import android.view.ViewGroup
import android.view.inputmethod.InputMethodManager
import android.webkit.WebView
import android.widget.Toast
import androidx.activity.result.ActivityResultLauncher
import androidx.compose.runtime.collectAsState
Expand Down Expand Up @@ -477,20 +474,12 @@ class MessageViewFragment :
}

private fun printMessage() {
val context = context
val webView = view?.findViewById<WebView>(R.id.message_content)
val printManager = context?.getSystemService(Context.PRINT_SERVICE) as? PrintManager
if (context == null || webView == null || printManager == null) return

val subject = mMessageViewInfo?.subject ?: getString(R.string.general_no_subject)
val jobName = appNameProvider.appName + ": " + subject
val printAdapter = webView.createPrintDocumentAdapter(jobName)

printManager.print(
jobName,
printAdapter,
PrintAttributes.Builder().build(),
)
val messageViewInfo = mMessageViewInfo ?: return
MessagePrinter(
context = requireContext(),
appName = appNameProvider.appName,
noSubjectText = getString(R.string.general_no_subject),
).print(messageViewInfo)
}

private fun onShowHeaders() {
Expand Down
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