Code review

Author: tevincent

app/src/main/java/com/infomaniak/mail/data/cache/mailboxContent/ThreadController.kt

@@ -20,7 +20,6 @@ package com.infomaniak.mail.data.cache.mailboxContent
 import android.content.Context
 import com.infomaniak.mail.data.api.ApiRepository
 import com.infomaniak.mail.data.cache.RealmDatabase
-import com.infomaniak.mail.data.cache.mailboxContent.FolderController.Companion.getFolder
 import com.infomaniak.mail.data.models.Folder
 import com.infomaniak.mail.data.models.Folder.FolderRole
 import com.infomaniak.mail.data.models.message.Message
@@ -115,16 +114,15 @@ class ThreadController @Inject constructor(
             val searchFolder = FolderController.getOrCreateSearchFolder(realm = this)
             remoteThreads.map { remoteThread ->
                 ensureActive()
-                val firstMessageFolderId = remoteThread.messages.single().folderId
-                if (remoteThread.messages.size == 1) {
-                    getFolder(firstMessageFolderId, this@writeBlocking)?.let { folder ->
-                        remoteThread.folderName = folder.getLocalizedName(context)
-                    }
-                }
+
                 remoteThread.isFromSearch = true
 
                 val folderId = if (remoteThread.messages.count() == 1) {
-                    remoteThread.messages.single().folderId
+                    val firstMessageFolderId = remoteThread.messages.single().folderId
+                    FolderController.getFolder(firstMessageFolderId, this@writeBlocking)?.let { folder ->
+                        remoteThread.folderName = folder.getLocalizedName(context)
+                    }
+                    firstMessageFolderId
                 } else {
                     filterFolder!!.id
                 }

app/src/main/java/com/infomaniak/mail/ui/main/folder/ThreadListAdapter.kt

@@ -190,13 +190,13 @@ class ThreadListAdapter @Inject constructor(
     private fun shouldDisplayFolderName(folderName: String) = isFolderNameVisible && folderName.isNotEmpty()
 
     private fun CardviewThreadItemBinding.displayThread(thread: Thread, position: Int) {
-        resetFolderNameVisibility()
-        displayFolderName(thread)
 
         refreshCachedSelectedPosition(thread.uid, position) // If item changed position, update cached position.
         setupThreadDensityDependentUi()
         displayAvatar(thread)
 
+        displayFolderName(thread)
+
         with(thread) {
             expeditor.text = formatRecipientNames(computeDisplayedRecipients())
             mailSubject.text = context.formatSubject(subject)
@@ -236,15 +236,18 @@ class ThreadListAdapter @Inject constructor(
     }
 
     private fun CardviewThreadItemBinding.displayFolderName(thread: Thread) {
+        resetFolderNameVisibility()
+
         val folderNameView = if (localSettings.threadDensity == COMPACT) folderNameCompactMode else folderNameExpandMode
         if (shouldDisplayFolderName(thread.folderName)) {
             folderNameView.isVisible = true
             folderNameView.text = context.postfixWithTag(
                 tag = thread.folderName,
-                tagColor = TagColor(R.color.folderNameBackground, R.color.folderNameTextColor),
+                tagColor = TagColor(R.color.tagBackground, R.color.tagTextColor),
                 ellipsizeConfiguration = SubjectFormatter.EllipsizeConfiguration(
-                    maxWidth = context.resources.getDimension(R.dimen.subjectTagMaxSize).toInt(),
-                    truncateAt = TextUtils.TruncateAt.END
+                    maxWidth = context.resources.getDimension(R.dimen.folderNameTagMaxSize).toInt(),
+                    truncateAt = TextUtils.TruncateAt.END,
+                    tagTextPaint = SubjectFormatter.getTagsPaint(context)
                 ),
             )
         } else {

app/src/main/java/com/infomaniak/mail/ui/main/thread/RoundedBackgroundSpan.kt

@@ -30,17 +30,14 @@ import androidx.core.content.res.ResourcesCompat
 import com.infomaniak.mail.R
 
 /**
- * A span to create a rounded background on a text.
- *
- * If radius is set, it generates a rounded background.
- * If radius is null, it generates a circle background.
+ * A span to create a rounded background with the specified radius on a text.
  */
 class RoundedBackgroundSpan(
     private val backgroundColor: Int,
     private val textColor: Int,
     private val textTypeface: Typeface,
     private val fontSize: Float,
-    private val cornerRadius: Float = CORNER_RADIUS
+    private val cornerRadius: Float
 ) : ReplacementSpan(), LineHeightSpan {
 
     override fun getSize(paint: Paint, text: CharSequence?, start: Int, end: Int, fm: FontMetricsInt?): Int {
@@ -102,12 +99,5 @@ class RoundedBackgroundSpan(
         private const val LEFT_MARGIN = 4
         private const val PADDING = 16
         private const val VERTICAL_OFFSET = 4
-        private const val CORNER_RADIUS = 10f
-
-        fun getTagsPaint(context: Context) = TextPaint(Paint.ANTI_ALIAS_FLAG).apply {
-            color = ResourcesCompat.getColor(context.resources, R.color.folderNameTextColor, null)
-            textSize = context.resources.getDimension(R.dimen.externalTagTextSize)
-            typeface = ResourcesCompat.getFont(context, R.font.tag_font)
-        }
     }
 }

app/src/main/java/com/infomaniak/mail/ui/main/thread/SubjectFormatter.kt

@@ -19,8 +19,11 @@ package com.infomaniak.mail.ui.main.thread
 
 import android.content.Context
 import android.content.res.Resources
+import android.graphics.Paint
 import android.text.StaticLayout
+import android.text.TextPaint
 import android.text.TextUtils
+import androidx.core.content.res.ResourcesCompat
 import com.infomaniak.mail.MatomoMail.trackExternalEvent
 import com.infomaniak.mail.R
 import com.infomaniak.mail.data.models.thread.Thread
@@ -31,7 +34,7 @@ import com.infomaniak.mail.utils.extensions.formatSubject
 import com.infomaniak.mail.utils.extensions.postfixWithTag
 import javax.inject.Inject
 import javax.inject.Singleton
-import com.infomaniak.lib.core.R as CoreR
+import com.infomaniak.lib.core.R as RCore
 
 @Singleton
 class SubjectFormatter @Inject constructor(private val context: Context) {
@@ -97,20 +100,20 @@ class SubjectFormatter @Inject constructor(private val context: Context) {
     private fun postFixWithFolder(
         previousContent: CharSequence,
         folderName: String,
-        ellipsizeTag: EllipsizeConfiguration
+        ellipsizeConfiguration: EllipsizeConfiguration
     ) = context.postfixWithTag(
         previousContent,
         folderName,
-        TagColor(R.color.folderNameBackground, R.color.folderNameTextColor),
-        ellipsizeTag
+        TagColor(R.color.tagBackground, R.color.tagTextColor),
+        ellipsizeConfiguration
     )
 
     private fun getFolderName(thread: Thread) = if (thread.messages.size > 1) "" else thread.folderName
 
     private fun getEllipsizeConfiguration(previousContent: CharSequence, tag: String): EllipsizeConfiguration {
-        val paddingsInPixels = (context.resources.getDimension(CoreR.dimen.marginStandard) * 2).toInt()
+        val paddingsInPixels = (context.resources.getDimension(R.dimen.threadHorizontalMargin) * 2).toInt()
         val width = Resources.getSystem().displayMetrics.widthPixels - paddingsInPixels
-        val tagsTextPaint = RoundedBackgroundSpan.getTagsPaint(context)
+        val tagsTextPaint = getTagsPaint(context)
 
         val layoutBeforeAddingTag = StaticLayout.Builder.obtain(
             previousContent,
@@ -120,13 +123,20 @@ class SubjectFormatter @Inject constructor(private val context: Context) {
             width
         ).build()
 
-        val fullString = "$previousContent $tag"
-        val layoutAfterAddingTag = StaticLayout.Builder.obtain(fullString, 0, fullString.length, tagsTextPaint, width).build()
+        // Colors are not used but here, we just need to compute the tag layouts
+        val stringAfterAddingTag = context.postfixWithTag(
+            previousContent,
+            tag,
+            TagColor(RCore.color.black, RCore.color.black)
+        )
+
+        val layoutAfterAddingTag =
+            StaticLayout.Builder.obtain(stringAfterAddingTag, 0, stringAfterAddingTag.length, tagsTextPaint, width).build()
 
         val positionLastChar = layoutBeforeAddingTag.getPrimaryHorizontal(previousContent.length).toInt()
         val linesCountDifferent = layoutAfterAddingTag.lineCount != layoutBeforeAddingTag.lineCount
-        val maxWidth = if (layoutAfterAddingTag.lineCount != layoutBeforeAddingTag.lineCount) width else width - positionLastChar
-        return EllipsizeConfiguration(maxWidth, TextUtils.TruncateAt.MIDDLE, linesCountDifferent)
+        val maxWidth = if (linesCountDifferent) width else width - positionLastChar
+        return EllipsizeConfiguration(maxWidth, TextUtils.TruncateAt.MIDDLE, linesCountDifferent, tagsTextPaint)
     }
 
     data class SubjectData(
@@ -139,6 +149,15 @@ class SubjectFormatter @Inject constructor(private val context: Context) {
     data class EllipsizeConfiguration(
         val maxWidth: Int,
         val truncateAt: TextUtils.TruncateAt = TextUtils.TruncateAt.MIDDLE,
-        val withNewLine: Boolean = false
+        val withNewLine: Boolean = false,
+        val tagTextPaint: TextPaint
     )
+
+    companion object {
+
+        fun getTagsPaint(context: Context) = TextPaint(Paint.ANTI_ALIAS_FLAG).apply {
+            textSize = context.resources.getDimension(R.dimen.tagTextSize)
+            typeface = ResourcesCompat.getFont(context, R.font.tag_font)
+        }
+    }
 }

app/src/main/java/com/infomaniak/mail/utils/extensions/Extensions.kt

@@ -83,6 +83,7 @@ import com.infomaniak.mail.ui.main.folder.ThreadListAdapter
 import com.infomaniak.mail.ui.main.thread.MessageWebViewClient
 import com.infomaniak.mail.ui.main.thread.RoundedBackgroundSpan
 import com.infomaniak.mail.ui.main.thread.SubjectFormatter
+import com.infomaniak.mail.ui.main.thread.SubjectFormatter.Companion.getTagsPaint
 import com.infomaniak.mail.ui.main.thread.ThreadFragment.HeaderState
 import com.infomaniak.mail.utils.*
 import com.infomaniak.mail.utils.Utils
@@ -516,7 +517,7 @@ fun Context.postfixWithTag(
 
     fun getConfiguredTag(): CharSequence {
         return if (ellipsizeConfiguration != null) {
-            val textPaint = RoundedBackgroundSpan.getTagsPaint(this)
+            val textPaint = getTagsPaint(this)
             with(ellipsizeConfiguration) {
                 val tagNameLayout =
                     StaticLayout.Builder.obtain(tag, 0, tag.length, textPaint, maxWidth)
@@ -555,14 +556,14 @@ private fun Spannable.setTagSpan(
     val backgroundColor = context.getColor(backgroundColorRes)
     val textColor = context.getColor(textColorRes)
     val textTypeface = ResourcesCompat.getFont(context, R.font.tag_font)!!
-    val textSize = context.resources.getDimensionPixelSize(R.dimen.externalTagTextSize).toFloat()
+    val textSize = context.resources.getDimensionPixelSize(R.dimen.tagTextSize).toFloat()
     setSpan(
         RoundedBackgroundSpan(
             backgroundColor = backgroundColor,
             textColor = textColor,
             textTypeface = textTypeface,
             fontSize = textSize,
-            cornerRadius = context.resources.getDimension(R.dimen.subjectTagRadius)
+            cornerRadius = context.resources.getDimension(R.dimen.tagRadius)
         ),
         startIndex,
         endIndex,

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

@@ -238,7 +238,7 @@
                     app:layout_constraintHorizontal_chainStyle="packed"
                     app:layout_constraintStart_toEndOf="@id/mailSubject"
                     app:layout_constraintTop_toTopOf="@id/mailSubject"
-                    tools:background="@color/grey_background"
+                    tools:background="@color/tagBackground"
                     tools:gravity="center"
                     tools:text="Folder name"
                     tools:visibility="visible" />

app/src/main/res/values-night/colors.xml

@@ -88,8 +88,8 @@
     <color name="calendarHeaderBackground">@color/orca</color>
 
     <!-- Thread -->
-    <color name="folderNameTextColor">@color/shark</color>
-    <color name="folderNameBackground">@color/orca</color>
+    <color name="tagTextColor">@color/shark</color>
+    <color name="tagBackground">@color/orca</color>
 
     <!-- Swipe actions -->
     <color name="swipeDelete">@color/redDestructiveAction</color>

app/src/main/res/values/colors.xml

@@ -165,8 +165,8 @@
     <color name="manyAvatarsAdditionalPeopleBackground">@color/iconColorSecondaryText</color>
 
     <!-- Thread -->
-    <color name="folderNameTextColor">@color/elephant</color>
-    <color name="folderNameBackground">@color/polar_bear</color>
+    <color name="tagTextColor">@color/elephant</color>
+    <color name="tagBackground">@color/polar_bear</color>
 
     <!-- Swipe actions -->
     <color name="swipeDelete">@color/redDestructiveAction</color>

app/src/main/res/values/dimens.xml

@@ -38,8 +38,6 @@
     <dimen name="noMailTextViewSize">300dp</dimen>
     <dimen name="searchViewHeight">38dp</dimen>
     <dimen name="smallCornerRadius">6dp</dimen>
-    <dimen name="subjectTagRadius">4dp</dimen>
-    <dimen name="subjectTagMaxSize">150dp</dimen>
     <dimen name="userAvatarSizeLarge">40dp</dimen>
     <dimen name="messageDividerHeight">6dp</dimen>
     <dimen name="smallIconSize">12dp</dimen>
@@ -52,6 +50,7 @@
     <dimen name="textButtonPrimaryHeight">56dp</dimen>
     <dimen name="textButtonPrimaryMediumHeight">40dp</dimen>
     <dimen name="mediumButtonHorizontalMargin">20dp</dimen>
+    <dimen name="threadHorizontalMargin">@dimen/marginStandard</dimen>
 
     <!-- Menu Drawer -->
     <dimen name="decoratedItemViewHeight">48dp</dimen>
@@ -61,12 +60,16 @@
     <dimen name="decoratedItemConstraintMarginStart">@dimen/marginStandardSmall</dimen>
     <dimen name="decoratedItemTextMarginStart">@dimen/marginStandardSmall</dimen>
 
+    <!-- Tag -->
+    <dimen name="tagRadius">4dp</dimen>
+    <dimen name="tagTextSize">12sp</dimen>
+
+    <!-- Search folder name tag -->
+    <dimen name="folderNameTagMaxSize">150dp</dimen>
+
     <!-- Settings -->
     <dimen name="dividerHorizontalPadding">16dp</dimen>
 
-    <!-- External tag -->
-    <dimen name="externalTagTextSize">12sp</dimen>
-
     <!-- AI -->
     <dimen name="scrimOpacity">0.32</dimen>
     <integer name="aiPromptAnimationDuration">300</integer>