For #27026 - Use the wallpaper adapted text color for the Collections placeholder

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/SessionControlAdapter.kt

@@ -317,6 +317,7 @@ class SessionControlAdapter(
                     view,
                     viewLifecycleOwner,
                     components.core.store,
+                    components.appStore,
                     interactor,
                 )
             OnboardingHeaderViewHolder.LAYOUT_ID -> OnboardingHeaderViewHolder(view)

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/NoCollectionsMessageViewHolder.kt

@@ -5,26 +5,28 @@
 package org.mozilla.fenix.home.sessioncontrol.viewholders
 
 import android.view.View
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.toArgb
 import androidx.core.view.isVisible
 import androidx.lifecycle.LifecycleOwner
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.flow.map
 import mozilla.components.browser.state.selector.normalTabs
 import mozilla.components.browser.state.store.BrowserStore
 import mozilla.components.lib.state.ext.flowScoped
+import mozilla.components.support.ktx.android.content.getColorFromAttr
 import mozilla.components.support.ktx.kotlinx.coroutines.flow.ifChanged
 import org.mozilla.fenix.R
+import org.mozilla.fenix.components.AppStore
 import org.mozilla.fenix.databinding.NoCollectionsMessageBinding
 import org.mozilla.fenix.ext.increaseTapArea
 import org.mozilla.fenix.home.sessioncontrol.CollectionInteractor
 import org.mozilla.fenix.utils.view.ViewHolder
 
-@OptIn(ExperimentalCoroutinesApi::class)
-open class NoCollectionsMessageViewHolder(
+class NoCollectionsMessageViewHolder(
     view: View,
     viewLifecycleOwner: LifecycleOwner,
     store: BrowserStore,
+    appStore: AppStore,
     interactor: CollectionInteractor,
 ) : ViewHolder(view) {
 
@@ -32,7 +34,6 @@ open class NoCollectionsMessageViewHolder(
         val binding = NoCollectionsMessageBinding.bind(view)
 
         binding.addTabsToCollectionsButton.apply {
-
             setOnClickListener {
                 interactor.onAddTabsToCollectionTapped()
             }
@@ -55,6 +56,30 @@ open class NoCollectionsMessageViewHolder(
                     binding.addTabsToCollectionsButton.isVisible = tabs > 0
                 }
         }
+
+        appStore.flowScoped(viewLifecycleOwner) { flow ->
+            flow.map { state -> state.wallpaperState.currentWallpaper.textColor }
+                .ifChanged()
+                .collect { textColor ->
+                    if (textColor == null) {
+                        val context = view.context
+                        binding.noCollectionsHeader.setTextColor(
+                            context.getColorFromAttr(R.attr.textPrimary),
+                        )
+                        binding.noCollectionsDescription.setTextColor(
+                            context.getColorFromAttr(R.attr.textSecondary),
+                        )
+                        binding.removeCollectionPlaceholder.setColorFilter(
+                            context.getColorFromAttr(R.attr.textPrimary),
+                        )
+                    } else {
+                        val color = Color(textColor).toArgb()
+                        binding.noCollectionsHeader.setTextColor(color)
+                        binding.noCollectionsDescription.setTextColor(color)
+                        binding.removeCollectionPlaceholder.setColorFilter(color)
+                    }
+                }
+        }
     }
 
     companion object {

app/src/test/java/org/mozilla/fenix/home/sessioncontrol/viewholders/NoCollectionsMessageViewHolderTest.kt

@@ -18,6 +18,7 @@ import org.junit.Assert.assertTrue
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
+import org.mozilla.fenix.components.AppStore
 import org.mozilla.fenix.databinding.NoCollectionsMessageBinding
 import org.mozilla.fenix.helpers.FenixRobolectricTestRunner
 import org.mozilla.fenix.home.sessioncontrol.CollectionInteractor
@@ -35,10 +36,14 @@ class NoCollectionsMessageViewHolderTest {
     )
     private lateinit var lifecycleOwner: LifecycleOwner
     private lateinit var interactor: CollectionInteractor
+    private lateinit var appStore: AppStore
 
     @Before
     fun setup() {
         binding = NoCollectionsMessageBinding.inflate(LayoutInflater.from(testContext))
+
+        appStore = AppStore()
+
         lifecycleOwner = mockk(relaxed = true)
         interactor = mockk(relaxed = true)
     }
@@ -46,21 +51,27 @@ class NoCollectionsMessageViewHolderTest {
     @Test
     fun `hide add to collection button when there are no tabs open`() {
         val noTabsStore = BrowserStore()
-        NoCollectionsMessageViewHolder(binding.root, lifecycleOwner, noTabsStore, interactor)
+        NoCollectionsMessageViewHolder(
+            binding.root,
+            lifecycleOwner,
+            noTabsStore,
+            appStore,
+            interactor,
+        )
 
         assertFalse(binding.addTabsToCollectionsButton.isVisible)
     }
 
     @Test
     fun `show add to collection button when there are tabs`() {
-        NoCollectionsMessageViewHolder(binding.root, lifecycleOwner, store, interactor)
+        NoCollectionsMessageViewHolder(binding.root, lifecycleOwner, store, appStore, interactor)
 
         assertTrue(binding.addTabsToCollectionsButton.isVisible)
     }
 
     @Test
     fun `call interactor on click`() {
-        NoCollectionsMessageViewHolder(binding.root, lifecycleOwner, store, interactor)
+        NoCollectionsMessageViewHolder(binding.root, lifecycleOwner, store, appStore, interactor)
 
         binding.addTabsToCollectionsButton.performClick()
         verify { interactor.onAddTabsToCollectionTapped() }
@@ -68,7 +79,7 @@ class NoCollectionsMessageViewHolderTest {
 
     @Test
     fun `hide view and change setting on remove placeholder click`() {
-        NoCollectionsMessageViewHolder(binding.root, lifecycleOwner, store, interactor)
+        NoCollectionsMessageViewHolder(binding.root, lifecycleOwner, store, appStore, interactor)
 
         binding.removeCollectionPlaceholder.performClick()
         verify {