feat(Zinnia): init

plugins/Zinnia/build.gradle.kts

@@ -0,0 +1,12 @@
+version = "1.0.0"
+description = "Coloured usernames to be a bit more pleasing on the eyes"
+
+aliucord {
+    // Changelog of your plugin
+    changelog.set("""
+        # 1.0.0
+        * Initial release >w<
+    """.trimIndent())
+
+    excludeFromUpdaterJson.set(false)
+}

plugins/Zinnia/src/main/AndroidManifest.xml

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest package="moe.lava.awoocord.zinnia" />

plugins/Zinnia/src/main/kotlin/moe/lava/awoocord/zinnia/APCA.kt

@@ -0,0 +1,77 @@
+package moe.lava.awoocord.zinnia
+
+import kotlin.math.abs
+import kotlin.math.pow
+
+// https://github.com/Myndex/apca-w3/blob/c012257167d822f91bc417120bdb82e1b854b4a4/src/apca-w3.js
+object APCA {
+    @Suppress("ConstPropertyName")
+    private object SA98G {
+        const val mainTRC = 2.4
+
+        const val sRco = 0.2126729
+        const val sGco = 0.7151522
+        const val sBco = 0.0721750
+
+        const val normBG = 0.56
+        const val normTXT = 0.57
+        const val revTXT = 0.62
+        const val revBG = 0.65
+
+        const val blkThrs = 0.022
+        const val blkClmp = 1.414
+        const val scaleBoW = 1.14
+        const val scaleWoB = 1.14
+        const val loBoWoffset = 0.027
+        const val loWoBoffset = 0.027
+        const val deltaYmin = 0.0005
+        const val loClip = 0.1
+    }
+
+    private fun exp(c: Int) =
+        (c.toDouble() / 255.0).pow(SA98G.mainTRC)
+
+    private fun argbToY(color: Int): Double {
+        val r = (color shr 16) and 0xff
+        val g = (color shr 8) and 0xff
+        val b = color and 0xff
+
+        return SA98G.run {
+            sRco * exp(r) + sGco * exp(g) + sBco * exp(b)
+        }
+    }
+
+    fun contrast(fgC: Int, bgC: Int): Double {
+        var fg = argbToY(fgC)
+        var bg = argbToY(bgC)
+
+        if (fg.coerceAtMost(bg) < 0 || fg.coerceAtLeast(bg) > 1.1)
+            return 0.0
+
+        if (fg <= SA98G.blkThrs)
+            fg += (SA98G.blkThrs - fg).pow(SA98G.blkClmp)
+        if (bg <= SA98G.blkThrs)
+            bg += (SA98G.blkThrs - bg).pow(SA98G.blkClmp)
+
+        if (abs(bg - fg) < SA98G.deltaYmin)
+            return 0.0
+
+        val outputContrast = if (bg > fg) {
+            val sapc = (bg.pow(SA98G.normBG) - fg.pow(SA98G.normTXT)) * SA98G.scaleBoW
+
+            if (sapc < SA98G.loClip)
+                0.0
+            else
+                sapc - SA98G.loBoWoffset
+        } else {
+            val sapc = (bg.pow(SA98G.revBG) - fg.pow(SA98G.revTXT)) * SA98G.scaleWoB
+
+            if (sapc > -SA98G.loClip)
+                0.0
+            else
+                sapc + SA98G.loWoBoffset
+        }
+
+        return outputContrast * 100
+    }
+}

plugins/Zinnia/src/main/kotlin/moe/lava/awoocord/zinnia/Zinnia.kt

@@ -0,0 +1,173 @@
+package moe.lava.awoocord.zinnia
+
+import android.content.Context
+import android.graphics.Color
+import android.graphics.drawable.GradientDrawable
+import android.view.View
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.graphics.ColorUtils
+import com.aliucord.annotations.AliucordPlugin
+import com.aliucord.entities.Plugin
+import com.aliucord.patcher.*
+import com.aliucord.utils.DimenUtils.dp
+import com.aliucord.utils.ViewUtils.findViewById
+import com.aliucord.utils.accessField
+import com.discord.databinding.WidgetChannelMembersListItemUserBinding
+import com.discord.stores.StoreStream
+import com.discord.widgets.channels.memberlist.adapter.ChannelMembersListAdapter
+import com.discord.widgets.channels.memberlist.adapter.ChannelMembersListViewHolderMember
+import com.discord.widgets.chat.list.adapter.WidgetChatListAdapterItemMessage
+import com.discord.widgets.chat.list.entries.ChatListEntry
+import com.discord.widgets.chat.list.entries.MessageEntry
+import kotlin.math.abs
+
+private val ChannelMembersListViewHolderMember.binding
+        by accessField<WidgetChannelMembersListItemUserBinding>()
+
+data class Colours(
+    val fgP: Int,
+    val bgP: Int,
+    val fgO: Int,
+    val bgO: Int,
+)
+
+@AliucordPlugin
+class Zinnia : Plugin() {
+    companion object { const val NAME = "RoleBlocks" }
+
+    private val localSettings = ZinniaSettings
+
+    init {
+        settingsTab = SettingsTab(ZinniaSettings.Page::class.java, SettingsTab.Type.PAGE)
+    }
+
+    override fun start(context: Context) {
+        patchMemberList()
+        patchMessageAuthor()
+    }
+
+    override fun stop(context: Context) { patcher.unpatchAll() }
+
+    private fun configureOn(view: TextView, colour: Int?) {
+        when (localSettings.mode) {
+            Mode.Block -> configureBlock(view, colour ?: Color.BLACK)
+            Mode.RoleDot -> configureRoleDot(view, colour ?: Color.BLACK)
+        }
+    }
+
+    private fun configureRoleDot(view: TextView, colour: Int) { }
+
+    private fun configureBlock(view: TextView, colourP: Int) {
+        val isLight = StoreStream.getUserSettingsSystem().theme == "light"
+        var colour = colourP
+        val bcol = GradientDrawable()
+        bcol.cornerRadius = 4.dp.toFloat()
+        view.background = bcol
+
+        if (colour == Color.BLACK) {
+            if (localSettings.blockAlsoDefault) {
+                colour = if (isLight && !localSettings.blockInverted) Color.WHITE else Color.BLACK
+            } else {
+                view.background = null
+                view.setPadding(0, 0, 0, 0)
+                return
+            }
+        }
+        view.setPadding(4.dp, 0, 4.dp, 0)
+
+        val (preferred, other) = if (isLight) {
+            Color.WHITE to Color.BLACK
+        } else {
+            Color.BLACK to Color.WHITE
+        }
+
+        val colours = if (!localSettings.blockInverted) {
+            Colours(
+                fgP = preferred,
+                fgO = other,
+                bgP = colour,
+                bgO = colour,
+            )
+        } else {
+            Colours(
+                fgP = colour,
+                fgO = colour,
+                bgP = preferred,
+                bgO = other,
+            )
+        }
+
+        val usePreferred = when (localSettings.blockMode) {
+            BlockMode.ApcaOnly -> isApca(colours)
+            BlockMode.WcagOnly -> isWcag(colours)
+            BlockMode.ApcaLightWcagDark -> if (isLight) isApca(colours) else isWcag(colours)
+            BlockMode.WcagLightApcaDark -> if (isLight) isWcag(colours) else isApca(colours)
+        }
+
+        if (usePreferred) {
+            view.setTextColor(colours.fgP)
+            bcol.setColor(colours.bgP)
+        } else {
+            view.setTextColor(colours.fgO)
+            bcol.setColor(colours.bgO)
+        }
+    }
+
+    private fun isApca(c: Colours): Boolean {
+        val cPref = abs(APCA.contrast(c.fgP, c.bgP))
+        val cOth = abs(APCA.contrast(c.fgO, c.bgO))
+        return cPref > localSettings.blockApcaThreshold || cPref > cOth
+    }
+
+    private fun isWcag(c: Colours): Boolean {
+        val cPref = ColorUtils.calculateContrast(c.fgP, c.bgP)
+        val cOth = ColorUtils.calculateContrast(c.fgO, c.bgO)
+        return cPref > localSettings.blockWcagThreshold || cPref > cOth
+    }
+
+    private fun patchMemberList() {
+        // Patches the method that configures the username in members list
+        patcher.after<ChannelMembersListViewHolderMember>(
+            "bind",
+            ChannelMembersListAdapter.Item.Member::class.java,
+            Function0::class.java,
+        ) { (_, member: ChannelMembersListAdapter.Item.Member) ->
+            val presenceTextView = binding.d
+            val usernameView = binding.f
+            val usernameTextView = usernameView.j.c
+
+            if (presenceTextView.visibility == View.VISIBLE) {
+                usernameView.layoutParams = (usernameView.layoutParams as ConstraintLayout.LayoutParams).apply {
+                    bottomMargin = 2.dp
+                }
+            }
+
+            configureOn(usernameTextView, member.color)
+        }
+    }
+
+    private fun patchMessageAuthor() {
+        // Configures for message author username
+        patcher.after<WidgetChatListAdapterItemMessage>(
+            "onConfigure",
+            Int::class.javaPrimitiveType!!,
+            ChatListEntry::class.java,
+        ) { (_, _: Int, entry: MessageEntry) ->
+            val username = itemView.findViewById<TextView?>("chat_list_adapter_item_text_name")
+                ?: return@after
+            configureOn(username, entry.author?.color)
+        }
+
+        // Configures for reply preview username
+        patcher.after<WidgetChatListAdapterItemMessage>(
+            "configureReplyPreview",
+            MessageEntry::class.java,
+        ) { (_, entry: MessageEntry) ->
+            val referencedAuthor = entry.replyData?.messageEntry?.author
+            val replyUsername = itemView.findViewById<TextView?>("chat_list_adapter_item_text_decorator_reply_name")
+                ?: return@after
+            configureOn(replyUsername, referencedAuthor?.color)
+        }
+    }
+}

plugins/Zinnia/src/main/kotlin/moe/lava/awoocord/zinnia/ZinniaSettings.kt

@@ -0,0 +1,134 @@
+package moe.lava.awoocord.zinnia
+
+import android.view.View
+import android.view.ViewGroup
+import com.aliucord.Utils
+import com.aliucord.api.SettingsAPI
+import com.aliucord.fragments.SettingsPage
+import com.aliucord.settings.delegate
+import com.discord.views.CheckedSetting
+import kotlin.properties.ReadWriteProperty
+import kotlin.reflect.KProperty
+
+enum class Mode {
+    RoleDot,
+    Block,
+}
+
+enum class BlockMode {
+    ApcaLightWcagDark,
+    WcagLightApcaDark,
+    ApcaOnly,
+    WcagOnly,
+}
+
+class SettingsDelegateEnum<T : Enum<T>>(
+    private val defaultValue: T,
+    private val settings: SettingsAPI,
+    private val deserialiser: (String) -> T,
+) : ReadWriteProperty<Any, T> {
+    override fun getValue(thisRef: Any, property: KProperty<*>): T =
+        deserialiser(settings.getString(property.name, defaultValue.name))
+
+    override fun setValue(thisRef: Any, property: KProperty<*>, value: T) =
+        settings.setString(property.name, value.name)
+}
+
+inline fun <reified T : Enum<T>> SettingsAPI.delegateEnum(
+    defaultValue: T
+) = SettingsDelegateEnum(defaultValue, this) { enumValueOf<T>(it) }
+
+private inline fun <T : View> T.addTo(parent: ViewGroup, block: T.() -> Unit = {}) =
+    apply {
+        block()
+        parent.addView(this)
+    }
+
+object ZinniaSettings {
+    private val api = SettingsAPI(Zinnia.NAME)
+
+    var mode by api.delegateEnum(Mode.Block)
+
+    var dotKeepNameColour by api.delegate(false)
+
+    var blockAlsoDefault by api.delegate(true)
+    var blockInverted by api.delegate(false)
+    var blockMode by api.delegateEnum(BlockMode.ApcaLightWcagDark)
+    var blockApcaThreshold by api.delegate(75.0)
+    var blockWcagThreshold by api.delegate(4.5)
+
+    @Suppress("MISSING_DEPENDENCY_CLASS", "MISSING_DEPENDENCY_SUPERCLASS")
+    class Page : SettingsPage() {
+        private lateinit var mRoleDot: CheckedSetting
+        private lateinit var mBlock: CheckedSetting
+
+        override fun onViewBound(view: View) {
+            super.onViewBound(view)
+            setActionBarTitle(Zinnia.NAME)
+            setPadding(0)
+
+            val ctx = requireContext()
+            linearLayout.run {
+                val blockSettings = mutableListOf<CheckedSetting>()
+                val roleDotSettings = mutableListOf<CheckedSetting>()
+
+                /*
+                addHeader(ctx, "Mode")
+
+                mBlock = Utils.createCheckedSetting(
+                    ctx,
+                    CheckedSetting.ViewType.RADIO,
+                    "Block mode",
+                    "Wraps the username in a coloured block",
+                ).addTo(this) {
+                    isChecked = mode == Mode.Block
+                    setOnCheckedListener {
+                        mode = Mode.Block
+                        mRoleDot.isChecked = false
+                    }
+                }
+
+                mRoleDot = Utils.createCheckedSetting(
+                    ctx,
+                    CheckedSetting.ViewType.RADIO,
+                    "Role dot mode",
+                    "Adds a coloured role dot next to the username, similar to how Discord does it in their new accessibility settings",
+                ).addTo(this) {
+                    isChecked = mode == Mode.RoleDot
+                    setOnCheckedListener {
+                        mode = Mode.RoleDot
+                        mBlock.isChecked = false
+                    }
+                }
+                */
+
+                addHeader(ctx, "Block Settings")
+                Utils.createCheckedSetting(
+                    ctx,
+                    CheckedSetting.ViewType.SWITCH,
+                    "Also block up default colours",
+                    "Blocks up usernames that have no role colour",
+                ).addTo(this) {
+                    isChecked = blockAlsoDefault
+                    setOnCheckedListener {
+                        blockAlsoDefault = !blockAlsoDefault
+                    }
+                    blockSettings.add(this)
+                }
+
+                Utils.createCheckedSetting(
+                    ctx,
+                    CheckedSetting.ViewType.SWITCH,
+                    "Invert block colours",
+                    "By default, the role colour is applied as the block background. Turning this setting on instead makes the block black or white, and the text stays coloured.",
+                ).addTo(this) {
+                    isChecked = blockInverted
+                    setOnCheckedListener {
+                        blockInverted = !blockInverted
+                    }
+                    blockSettings.add(this)
+                }
+            }
+        }
+    }
+}