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https://github.com/element-hq/element-android
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Timeline : apply color for sender
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commit
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1 changed files with 34 additions and 3 deletions
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@ -18,6 +18,7 @@ package im.vector.riotredesign.features.home.room.detail.timeline.factory
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import android.text.Spannable
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import android.text.SpannableStringBuilder
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import androidx.annotation.ColorRes
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import im.vector.matrix.android.api.permalinks.MatrixLinkify
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import im.vector.matrix.android.api.permalinks.MatrixPermalinkSpan
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import im.vector.matrix.android.api.session.events.model.EventType
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@ -76,14 +77,16 @@ class MessageItemFactory(private val colorProvider: ColorProvider,
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val messageContent: MessageContent = event.root.content.toModel() ?: return null
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val time = timelineDateFormatter.formatMessageHour(date)
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val avatarUrl = roomMember?.avatarUrl
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val memberName = roomMember?.displayName ?: event.root.sender
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val informationData = MessageInformationData(time, avatarUrl, memberName, showInformation)
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val memberName = roomMember?.displayName ?: event.root.sender ?: ""
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val formattedMemberName = span(memberName) {
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textColor = colorProvider.getColor(colorIndexForSender(memberName))
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}
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val informationData = MessageInformationData(time, avatarUrl, formattedMemberName, showInformation)
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return when (messageContent) {
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is MessageEmoteContent -> buildEmoteMessageItem(messageContent, informationData, callback)
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is MessageTextContent -> buildTextMessageItem(event.sendState, messageContent, informationData, callback)
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is MessageImageContent -> buildImageMessageItem(eventId, messageContent, informationData, callback)
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is MessageEmoteContent -> buildEmoteMessageItem(messageContent, informationData, callback)
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is MessageNoticeContent -> buildNoticeMessageItem(messageContent, informationData, callback)
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else -> buildNotHandledMessageItem(messageContent)
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}
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@ -181,4 +184,32 @@ class MessageItemFactory(private val colorProvider: ColorProvider,
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return spannable
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}
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@ColorRes
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private fun colorIndexForSender(sender: String): Int {
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var hash = 0
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var i = 0
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var chr: Char
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if (sender.isEmpty()) {
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return R.color.username_1
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}
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while (i < sender.length) {
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chr = sender[i]
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hash = (hash shl 5) - hash + chr.toInt()
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hash = hash or 0
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i++
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}
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val cI = Math.abs(hash) % 8 + 1
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return when (cI) {
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1 -> R.color.username_1
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2 -> R.color.username_2
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3 -> R.color.username_3
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4 -> R.color.username_4
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5 -> R.color.username_5
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6 -> R.color.username_6
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7 -> R.color.username_7
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else -> R.color.username_8
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}
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}
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}
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