fix(dm): 수신자 선택 라벨 표시를 정리한다

app/src/main/java/kr/co/vividnext/sodalive/v2/main/chat/recipient/DmRecipientPickerActivity.kt

@@ -1,6 +1,10 @@
 package kr.co.vividnext.sodalive.v2.main.chat.recipient
 
+import android.text.SpannableString
+import android.text.Spanned
+import android.text.style.ForegroundColorSpan
 import androidx.activity.viewModels
+import androidx.core.content.ContextCompat
 import androidx.core.view.isVisible
 import androidx.core.widget.doAfterTextChanged
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -45,12 +49,22 @@ class DmRecipientPickerActivity : BaseActivity<ActivityDmRecipientPickerBinding>
         }
         viewModel.recipientStateLiveData.observe(this) { state ->
             adapter.submitItems(state.recipients)
-            binding.tvFollowers.isVisible = state.mode == DmRecipientPickerMode.FOLLOWERS
+            binding.tvFollowers.isVisible = state.mode == DmRecipientPickerMode.FOLLOWERS && state.recipients.isNotEmpty()
             binding.tvSearchResultCount.isVisible = state.mode == DmRecipientPickerMode.SEARCH
-            binding.tvSearchResultCount.text = getString(
+            val searchResultCount = state.searchResultCount.toString()
+            val searchResultText = getString(
                 R.string.dm_recipient_search_result_count,
                 state.searchResultCount
             )
+            binding.tvSearchResultCount.text = SpannableString(searchResultText).apply {
+                val start = searchResultText.lastIndexOf(searchResultCount)
+                setSpan(
+                    ForegroundColorSpan(ContextCompat.getColor(this@DmRecipientPickerActivity, R.color.gray_500)),
+                    start,
+                    start + searchResultCount.length,
+                    Spanned.SPAN_EXCLUSIVE_EXCLUSIVE
+                )
+            }
             binding.tvSearchEmpty.isVisible = state.isSearchEmpty
             binding.rvRecipients.isVisible = !state.isSearchEmpty
             if (state.isError) showToast(getString(R.string.common_error_request))

app/src/main/res/layout/activity_dm_recipient_picker.xml

@@ -60,7 +60,7 @@
 
     <TextView
         android:id="@+id/tv_followers"
-        style="@style/Typography.Body2"
+        style="@style/Typography.Body1"
         android:layout_width="match_parent"
         android:layout_height="40dp"
         android:gravity="center_vertical"
@@ -70,7 +70,7 @@
 
     <TextView
         android:id="@+id/tv_search_result_count"
-        style="@style/Typography.Caption2"
+        style="@style/Typography.Body1"
         android:layout_width="match_parent"
         android:layout_height="40dp"
         android:gravity="center_vertical"

app/src/test/java/kr/co/vividnext/sodalive/v2/main/chat/recipient/DmRecipientPickerSourceTest.kt

@@ -1,5 +1,6 @@
 package kr.co.vividnext.sodalive.v2.main.chat.recipient
 
+import org.junit.Assert.assertEquals
 import org.junit.Assert.assertFalse
 import org.junit.Assert.assertSame
 import org.junit.Assert.assertTrue
@@ -33,6 +34,18 @@ class DmRecipientPickerSourceTest {
         assertTrue(factory.contains("observeOn(AndroidSchedulers.mainThread())"))
     }
 
+    @Test
+    fun `팔로워 라벨은 팔로워 모드이고 표시할 수신자가 있을 때만 보인다`() {
+        val source = source("main/chat/recipient/DmRecipientPickerActivity.kt")
+
+        assertTrue(
+            source.contains(
+                "binding.tvFollowers.isVisible = " +
+                    "state.mode == DmRecipientPickerMode.FOLLOWERS && state.recipients.isNotEmpty()"
+            )
+        )
+    }
+
     @Test
     fun `수신자 선택은 공통 확인 팝업에서만 요청하고 취소는 부작용이 없다`() {
         val source = source("main/chat/recipient/DmRecipientPickerActivity.kt")
@@ -86,6 +99,23 @@ class DmRecipientPickerSourceTest {
         assertSame(content, list.parentNode)
     }
 
+    @Test
+    fun `팔로워와 검색결과 라벨은 같은 문구 크기를 쓰고 검색결과 숫자만 gray500으로 보인다`() {
+        val document = DocumentBuilderFactory.newInstance().newDocumentBuilder()
+            .parse(file("app/src/main/res/layout/activity_dm_recipient_picker.xml"))
+        val followers = requireNotNull(document.findById("tv_followers"))
+        val searchResultCount = requireNotNull(document.findById("tv_search_result_count"))
+        val source = source("main/chat/recipient/DmRecipientPickerActivity.kt")
+
+        assertEquals(followers.attribute("style"), searchResultCount.attribute("style"))
+        assertTrue(
+            source.contains(
+                "ForegroundColorSpan(ContextCompat.getColor(this@DmRecipientPickerActivity, R.color.gray_500))"
+            )
+        )
+        assertTrue(source.contains("state.searchResultCount.toString()"))
+    }
+
     @Test
     fun `새 수신자 문구는 지원 언어 전체에 정의된다`() {
         val names = listOf(
@@ -125,4 +155,7 @@ class DmRecipientPickerSourceTest {
                 value == "@+id/$id" || value == "@id/$id"
             }
     }
+
+    private fun org.w3c.dom.Node.attribute(name: String): String =
+        requireNotNull(attributes?.getNamedItem(name)?.nodeValue) { "missing $name" }
 }