From 19c80763c3b009a81bb2bc115b6310eae763fd27 Mon Sep 17 00:00:00 2001
From: Tangem <git@tangem.com>
Date: Mon, 22 Apr 2024 10:57:22 +0300
Subject: [PATCH] Updated on 2026-08-14

---
 .../components/currency/fiaticon/FiatIcon.kt  | 17 +++++++--
 .../CryptoCurrencyToIconStateConverter.kt     | 37 +++++++++++++++----
 .../state/amount/SendAmountStateConverter.kt  |  9 ++++-
 .../presentation/ui/amount/AmountButtons.kt   | 24 ++++++------
 4 files changed, 64 insertions(+), 23 deletions(-)

diff --git a/core/ui/src/main/java/com/tangem/core/ui/components/currency/fiaticon/FiatIcon.kt b/core/ui/src/main/java/com/tangem/core/ui/components/currency/fiaticon/FiatIcon.kt
index 3255b50af7..76d5c9d094 100644
--- a/core/ui/src/main/java/com/tangem/core/ui/components/currency/fiaticon/FiatIcon.kt
+++ b/core/ui/src/main/java/com/tangem/core/ui/components/currency/fiaticon/FiatIcon.kt
@@ -4,11 +4,16 @@ import androidx.annotation.DrawableRes
 import androidx.compose.foundation.Image
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.ColorFilter
+import androidx.compose.ui.graphics.ColorMatrix
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.Dp
 import com.tangem.core.ui.R
 import com.tangem.core.ui.components.currency.DefaultCurrencyIcon
 
+private const val GRAY_SCALE_SATURATION = 0f
+private const val GRAY_SCALE_ALPHA = 0.4f
+
 /**
  * Simple icon from network
  *
@@ -20,16 +25,19 @@ import com.tangem.core.ui.components.currency.DefaultCurrencyIcon
 fun FiatIcon(
     url: String?,
     size: Dp,
+    isGrayscale: Boolean,
     modifier: Modifier = Modifier,
     @DrawableRes fallbackResId: Int = R.drawable.ic_shape_circle,
 ) {
     val iconData: Any = if (url.isNullOrBlank()) fallbackResId else url
+    val alpha = if (isGrayscale) GRAY_SCALE_ALPHA else 1f
+    val colorFilter = if (isGrayscale) GrayscaleColorFilter else null
 
     DefaultCurrencyIcon(
         iconData = iconData,
         size = size,
-        alpha = 1f,
-        colorFilter = null,
+        alpha = alpha,
+        colorFilter = colorFilter,
         errorIcon = {
             Image(
                 painter = painterResource(id = fallbackResId),
@@ -38,4 +46,7 @@ fun FiatIcon(
         },
         modifier = modifier,
     )
-}
\ No newline at end of file
+}
+
+private val GrayscaleColorFilter: ColorFilter
+    get() = ColorFilter.colorMatrix(ColorMatrix().apply { setToSaturation(GRAY_SCALE_SATURATION) })
\ No newline at end of file
diff --git a/core/ui/src/main/java/com/tangem/core/ui/components/currency/tokenicon/converter/CryptoCurrencyToIconStateConverter.kt b/core/ui/src/main/java/com/tangem/core/ui/components/currency/tokenicon/converter/CryptoCurrencyToIconStateConverter.kt
index 19703e82b9..48d6dabf99 100644
--- a/core/ui/src/main/java/com/tangem/core/ui/components/currency/tokenicon/converter/CryptoCurrencyToIconStateConverter.kt
+++ b/core/ui/src/main/java/com/tangem/core/ui/components/currency/tokenicon/converter/CryptoCurrencyToIconStateConverter.kt
@@ -20,6 +20,21 @@ class CryptoCurrencyToIconStateConverter : Converter<CryptoCurrencyStatus, Token
         }
     }
 
+    fun convertWithGrayscale(value: CryptoCurrencyStatus): TokenIconState {
+        return when (val currency = value.currency) {
+            is CryptoCurrency.Coin -> getIconStateForCoin(
+                coin = currency,
+                isUnreachable = value.value.isError,
+                forceGrayscale = true,
+            )
+            is CryptoCurrency.Token -> getIconStateForToken(
+                token = currency,
+                isErrorStatus = value.value.isError,
+                forceGrayscale = true,
+            )
+        }
+    }
+
     fun convert(currency: CryptoCurrency): TokenIconState {
         return when (currency) {
             is CryptoCurrency.Coin -> getIconStateForCoin(currency, isUnreachable = false)
@@ -27,18 +42,26 @@ class CryptoCurrencyToIconStateConverter : Converter<CryptoCurrencyStatus, Token
         }
     }
 
-    private fun getIconStateForCoin(coin: CryptoCurrency.Coin, isUnreachable: Boolean): TokenIconState.CoinIcon {
+    private fun getIconStateForCoin(
+        coin: CryptoCurrency.Coin,
+        isUnreachable: Boolean,
+        forceGrayscale: Boolean = false,
+    ): TokenIconState.CoinIcon {
         return TokenIconState.CoinIcon(
             url = coin.iconUrl,
             fallbackResId = coin.networkIconResId,
-            isGrayscale = coin.network.isTestnet || isUnreachable,
+            isGrayscale = forceGrayscale || coin.network.isTestnet || isUnreachable,
             showCustomBadge = coin.isCustom,
         )
     }
 
-    private fun getIconStateForToken(token: CryptoCurrency.Token, isErrorStatus: Boolean): TokenIconState {
-        val isGrayscale = token.network.isTestnet || isErrorStatus
-        val background = token.tryGetBackgroundForTokenIcon(isGrayscale)
+    private fun getIconStateForToken(
+        token: CryptoCurrency.Token,
+        isErrorStatus: Boolean,
+        forceGrayscale: Boolean = false,
+    ): TokenIconState {
+        val grayScale = forceGrayscale || token.network.isTestnet || isErrorStatus
+        val background = token.tryGetBackgroundForTokenIcon(grayScale)
         val tint = getTintForTokenIcon(background)
 
         return if (token.isCustom && token.iconUrl == null) {
@@ -46,13 +69,13 @@ class CryptoCurrencyToIconStateConverter : Converter<CryptoCurrencyStatus, Token
                 tint = tint,
                 background = background,
                 networkBadgeIconResId = token.networkIconResId,
-                isGrayscale = isGrayscale,
+                isGrayscale = grayScale,
             )
         } else {
             TokenIconState.TokenIcon(
                 url = token.iconUrl,
                 networkBadgeIconResId = token.networkIconResId,
-                isGrayscale = isGrayscale,
+                isGrayscale = grayScale,
                 fallbackTint = tint,
                 fallbackBackground = background,
                 showCustomBadge = token.isCustom, // `true` for tokens with custom derivation
diff --git a/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/amount/SendAmountStateConverter.kt b/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/amount/SendAmountStateConverter.kt
index 65c85ac2e6..0bae6dc94a 100644
--- a/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/amount/SendAmountStateConverter.kt
+++ b/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/state/amount/SendAmountStateConverter.kt
@@ -31,6 +31,7 @@ internal class SendAmountStateConverter(
         val status = cryptoCurrencyStatusProvider()
         val fiat = formatFiatAmount(status.value.fiatAmount, appCurrency.code, appCurrency.symbol)
         val crypto = formatCryptoAmount(status.value.amount, status.currency.symbol, status.currency.decimals)
+        val noFeeRate = status.value.fiatRate.isNullOrZero()
 
         return SendStates.AmountState(
             walletName = userWallet.name,
@@ -45,7 +46,11 @@ internal class SendAmountStateConverter(
             segmentedButtonConfig = persistentListOf(
                 SendAmountSegmentedButtonsConfig(
                     title = stringReference(status.currency.symbol),
-                    iconState = iconStateConverter.convert(status),
+                    iconState = if (noFeeRate) {
+                        iconStateConverter.convertWithGrayscale(status)
+                    } else {
+                        iconStateConverter.convert(status)
+                    },
                     isFiat = false,
                 ),
                 SendAmountSegmentedButtonsConfig(
@@ -54,7 +59,7 @@ internal class SendAmountStateConverter(
                     isFiat = true,
                 ),
             ),
-            isSegmentedButtonsEnabled = !status.value.fiatRate.isNullOrZero(),
+            isSegmentedButtonsEnabled = !noFeeRate,
         )
     }
 }
\ No newline at end of file
diff --git a/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/ui/amount/AmountButtons.kt b/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/ui/amount/AmountButtons.kt
index 26d41708cc..4e05fe9506 100644
--- a/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/ui/amount/AmountButtons.kt
+++ b/features/send/impl/src/main/java/com/tangem/features/send/impl/presentation/ui/amount/AmountButtons.kt
@@ -51,7 +51,10 @@ internal fun LazyListScope.buttons(
                     },
                     isEnabled = isSegmentedButtonsEnabled,
                 ) {
-                    SendAmountCurrencyButton(it)
+                    SendAmountCurrencyButton(
+                        button = it,
+                        isSegmentedButtonsEnabled = isSegmentedButtonsEnabled,
+                    )
                 }
             } else {
                 SpacerWMax()
@@ -74,7 +77,7 @@ internal fun LazyListScope.buttons(
 }
 
 @Composable
-private fun SendAmountCurrencyButton(button: SendAmountSegmentedButtonsConfig) {
+private fun SendAmountCurrencyButton(button: SendAmountSegmentedButtonsConfig, isSegmentedButtonsEnabled: Boolean) {
     Row(
         modifier = Modifier
             .fillMaxSize()
@@ -88,17 +91,16 @@ private fun SendAmountCurrencyButton(button: SendAmountSegmentedButtonsConfig) {
             FiatIcon(
                 url = button.iconUrl,
                 size = TangemTheme.dimens.size18,
+                isGrayscale = !isSegmentedButtonsEnabled,
                 modifier = Modifier.size(TangemTheme.dimens.size18),
             )
-        } else {
-            button.iconState?.let {
-                TokenIcon(
-                    state = it,
-                    shouldDisplayNetwork = false,
-                    modifier = Modifier
-                        .size(TangemTheme.dimens.size18),
-                )
-            }
+        } else if (button.iconState != null) {
+            TokenIcon(
+                state = button.iconState,
+                shouldDisplayNetwork = false,
+                modifier = Modifier
+                    .size(TangemTheme.dimens.size18),
+            )
         }
         Text(
             text = button.title.resolveReference(),