From 287c31f3eb81a691849bfad7e306b51f451d6523 Mon Sep 17 00:00:00 2001
From: birdbird <6892457-tzugen@users.noreply.gitlab.com>
Date: Thu, 20 Oct 2022 10:59:28 +0000
Subject: [PATCH] Use Linear layout in Track display

---
 ultrasonic/lint-baseline.xml                  |   2 +-
 .../ultrasonic/adapters/TrackViewBinder.kt    |   5 +
 .../ultrasonic/adapters/TrackViewHolder.kt    |  59 ++++--
 .../src/main/res/layout/list_item_track.xml   | 174 ++++--------------
 .../res/layout/list_item_track_details.xml    | 102 ++++++++++
 5 files changed, 180 insertions(+), 162 deletions(-)
 create mode 100644 ultrasonic/src/main/res/layout/list_item_track_details.xml

diff --git a/ultrasonic/lint-baseline.xml b/ultrasonic/lint-baseline.xml
index 33ca3828..3bd04935 100644
--- a/ultrasonic/lint-baseline.xml
+++ b/ultrasonic/lint-baseline.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<issues format="6" by="lint 7.3.0" type="baseline" client="gradle" dependencies="true" name="AGP (7.3.0)" variant="all" version="7.3.0">
+<issues format="6" by="lint 7.3.1" type="baseline" client="gradle" dependencies="true" name="AGP (7.3.1)" variant="all" version="7.3.1">
 
     <issue
         id="PluralsCandidate"
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/adapters/TrackViewBinder.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/adapters/TrackViewBinder.kt
index bca305aa..f9c96edd 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/adapters/TrackViewBinder.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/adapters/TrackViewBinder.kt
@@ -13,6 +13,7 @@ import org.koin.core.component.KoinComponent
 import org.moire.ultrasonic.R
 import org.moire.ultrasonic.domain.Identifiable
 import org.moire.ultrasonic.domain.Track
+import timber.log.Timber
 
 @Suppress("LongParameterList")
 class TrackViewBinder(
@@ -62,6 +63,8 @@ class TrackViewBinder(
             diffAdapter.isSelected(item.longId)
         )
 
+        Timber.v("Setting listeners")
+
         holder.itemView.setOnLongClickListener {
             if (onContextMenuClick != null) {
                 val popup = createContextMenu(holder.itemView, track)
@@ -114,6 +117,8 @@ class TrackViewBinder(
 
             if (newStatus != holder.check.isChecked) holder.check.isChecked = newStatus
         }
+
+        Timber.v("Setting listeners done")
     }
 
     override fun onViewRecycled(holder: TrackViewHolder) {
diff --git a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/adapters/TrackViewHolder.kt b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/adapters/TrackViewHolder.kt
index 9d69167b..a89f1390 100644
--- a/ultrasonic/src/main/kotlin/org/moire/ultrasonic/adapters/TrackViewHolder.kt
+++ b/ultrasonic/src/main/kotlin/org/moire/ultrasonic/adapters/TrackViewHolder.kt
@@ -7,11 +7,15 @@ import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
 import androidx.core.content.ContextCompat
+import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.lifecycle.MutableLiveData
 import androidx.recyclerview.widget.RecyclerView
 import com.google.android.material.progressindicator.CircularProgressIndicator
 import io.reactivex.rxjava3.disposables.CompositeDisposable
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 import org.koin.core.component.KoinComponent
 import org.moire.ultrasonic.R
 import org.moire.ultrasonic.data.ActiveServerProvider
@@ -31,7 +35,11 @@ const val INDICATOR_THICKNESS_DEFINITE = 10
 /**
  * Used to display songs and videos in a `ListView`.
  */
-class TrackViewHolder(val view: View) : RecyclerView.ViewHolder(view), Checkable, KoinComponent {
+class TrackViewHolder(val view: View) :
+    RecyclerView.ViewHolder(view),
+    Checkable,
+    KoinComponent,
+    CoroutineScope by CoroutineScope(Dispatchers.IO) {
 
     var entry: Track? = null
         private set
@@ -39,7 +47,7 @@ class TrackViewHolder(val view: View) : RecyclerView.ViewHolder(view), Checkable
     var drag: ImageView = view.findViewById(R.id.song_drag)
     var observableChecked = MutableLiveData(false)
 
-    private var rating: LinearLayout = view.findViewById(R.id.song_five_star)
+    private var rating: LinearLayout = view.findViewById(R.id.song_rating)
     private var fiveStar1: ImageView = view.findViewById(R.id.song_five_star_1)
     private var fiveStar2: ImageView = view.findViewById(R.id.song_five_star_2)
     private var fiveStar3: ImageView = view.findViewById(R.id.song_five_star_3)
@@ -62,12 +70,18 @@ class TrackViewHolder(val view: View) : RecyclerView.ViewHolder(view), Checkable
 
     private var rxBusSubscription: CompositeDisposable? = null
 
+    init {
+        Timber.v("New ViewHolder created")
+    }
+
+    @Suppress("ComplexMethod")
     fun setSong(
         song: Track,
         checkable: Boolean,
         draggable: Boolean,
         isSelected: Boolean = false
     ) {
+        Timber.v("Setting song")
         val useFiveStarRating = Settings.useFiveStarRating
         entry = song
 
@@ -80,21 +94,28 @@ class TrackViewHolder(val view: View) : RecyclerView.ViewHolder(view), Checkable
         if (Settings.shouldShowTrackNumber && song.track != null && song.track!! > 0) {
             track.text = entryDescription.trackNumber
         } else {
-            track.isVisible = false
+            if (!track.isGone) track.isGone = true
         }
 
-        check.isVisible = (checkable && !song.isVideo)
-        initChecked(isSelected)
-        drag.isVisible = draggable
+        val checkValue = (checkable && !song.isVideo)
+        if (check.isVisible != checkValue) check.isVisible = checkValue
+        if (checkValue) initChecked(isSelected)
+        if (drag.isVisible != draggable) drag.isVisible = draggable
 
         if (ActiveServerProvider.isOffline()) {
-            star.isVisible = false
-            rating.isVisible = false
+            star.isGone = true
         } else {
             setupStarButtons(song, useFiveStarRating)
         }
 
-        updateStatus(DownloadService.getDownloadState(song), null)
+        // Instead of blocking the UI thread while looking up the current state,
+        // launch the request in an IO thread and propagate the result through RX
+        launch {
+            val state = DownloadService.getDownloadState(song)
+            RxBus.trackDownloadStatePublisher.onNext(
+                RxBus.TrackDownloadState(song.id, state, null)
+            )
+        }
 
         if (useFiveStarRating) {
             setFiveStars(entry?.userRating ?: 0)
@@ -103,8 +124,8 @@ class TrackViewHolder(val view: View) : RecyclerView.ViewHolder(view), Checkable
         }
 
         if (song.isVideo) {
-            artist.isVisible = false
-            progressIndicator.isVisible = false
+            artist.isGone = true
+            progressIndicator.isGone = true
         }
 
         // Create new Disposable for the new Subscriptions
@@ -117,6 +138,8 @@ class TrackViewHolder(val view: View) : RecyclerView.ViewHolder(view), Checkable
             if (it.id != song.id) return@subscribe
             updateStatus(it.state, it.progress)
         }
+
+        Timber.v("Setting song done")
     }
 
     // This is called when the Holder is recycled and receives a new Song
@@ -145,13 +168,13 @@ class TrackViewHolder(val view: View) : RecyclerView.ViewHolder(view), Checkable
     private fun setupStarButtons(song: Track, useFiveStarRating: Boolean) {
         if (useFiveStarRating) {
             // Hide single star
-            star.visibility = View.INVISIBLE
+            star.isGone = true
+            rating.isVisible = true
             val rating = if (song.userRating == null) 0 else song.userRating!!
             setFiveStars(rating)
         } else {
-            // Hide five stars
-            rating.isVisible = false
-
+            star.isVisible = true
+            rating.isGone = true
             setSingleStar(song.starred)
             star.setOnClickListener {
                 val isStarred = song.starred
@@ -241,7 +264,7 @@ class TrackViewHolder(val view: View) : RecyclerView.ViewHolder(view), Checkable
     }
 
     private fun showStatusImage(image: Int?) {
-        progressIndicator.isVisible = false
+        progressIndicator.isGone = true
         statusImage.isVisible = true
         if (image != null) {
             statusImage.setImageResource(image)
@@ -251,7 +274,7 @@ class TrackViewHolder(val view: View) : RecyclerView.ViewHolder(view), Checkable
     }
 
     private fun showIndefiniteProgress() {
-        statusImage.isVisible = false
+        statusImage.isGone = true
         progressIndicator.isVisible = true
         progressIndicator.isIndeterminate = true
         progressIndicator.indicatorDirection =
@@ -260,7 +283,7 @@ class TrackViewHolder(val view: View) : RecyclerView.ViewHolder(view), Checkable
     }
 
     private fun showProgress() {
-        statusImage.isVisible = false
+        statusImage.isGone = true
         progressIndicator.isVisible = true
         progressIndicator.isIndeterminate = false
         progressIndicator.indicatorDirection =
diff --git a/ultrasonic/src/main/res/layout/list_item_track.xml b/ultrasonic/src/main/res/layout/list_item_track.xml
index 55ebfb86..ab3cce4b 100644
--- a/ultrasonic/src/main/res/layout/list_item_track.xml
+++ b/ultrasonic/src/main/res/layout/list_item_track.xml
@@ -1,169 +1,45 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:a="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+<!-- DON'T CONVERT TO ConstraintLayout! We have been there and it was slower than LinearLayout :) -->
+<LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     a:id="@+id/song_layout"
     a:layout_width="fill_parent"
-    a:layout_height="wrap_content"
-    a:minHeight="?android:attr/listPreferredItemHeight">
+    a:layout_height="?android:attr/listPreferredItemHeight"
+    a:minHeight="?android:attr/listPreferredItemHeight"
+    a:orientation="horizontal">
 
     <ImageView
         a:id="@+id/song_drag"
-        a:layout_width="wrap_content"
-        a:layout_height="0dp"
+        a:layout_width="38dp"
+        a:layout_height="fill_parent"
         a:background="@android:color/transparent"
         a:focusable="false"
         a:gravity="center_vertical"
         a:importantForAccessibility="no"
-        a:paddingStart="5dip"
-        a:paddingEnd="6dip"
+        a:paddingStart="7dip"
+        a:paddingEnd="4dip"
         a:src="@drawable/ic_drag_vertical"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toStartOf="@+id/song_check"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        a:visibility="gone" />
 
     <CheckedTextView
         a:id="@+id/song_check"
-        a:layout_width="wrap_content"
-        a:layout_height="0dp"
-        a:layout_marginStart="4dp"
+        a:layout_width="38dp"
+        a:layout_height="fill_parent"
         a:checkMark="@drawable/btn_check_custom"
         a:gravity="center_vertical"
         a:paddingEnd="4dip"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toEndOf="@+id/song_drag"
-        app:layout_constraintTop_toTopOf="parent" />
+        a:visibility="gone" />
 
-
-    <TextView
-        a:id="@+id/song_track"
-        a:layout_width="wrap_content"
-        a:layout_height="wrap_content"
-        a:layout_marginTop="8dp"
-        a:paddingEnd="6dip"
-        a:textAppearance="?android:attr/textAppearanceMedium"
-        a:visibility="visible"
-        app:layout_constraintEnd_toStartOf="@+id/song_title"
-        app:layout_constraintStart_toEndOf="@+id/song_check"
-        app:layout_constraintTop_toTopOf="parent"
-        tools:text="Track"
-        tools:visibility="visible" />
-
-    <TextView
-        a:id="@+id/song_title"
-        a:layout_width="0dp"
-        a:layout_height="wrap_content"
-        a:layout_marginTop="8dp"
-        a:drawablePadding="4dip"
-        a:ellipsize="end"
-        a:paddingEnd="4dip"
-        a:singleLine="true"
-        a:textAppearance="?android:attr/textAppearanceMedium"
-        app:layout_constraintEnd_toStartOf="@id/barrier"
-        app:layout_constraintStart_toEndOf="@+id/song_track"
-        app:layout_constraintTop_toTopOf="parent"
-        tools:text="Title" />
-
-    <TextView
-        a:id="@+id/song_artist"
-        a:layout_width="0dp"
-        a:layout_height="wrap_content"
-        a:layout_marginBottom="10dp"
-        a:ellipsize="middle"
-        a:paddingStart="1dip"
-        a:paddingEnd="4dip"
-        a:singleLine="true"
-        a:textAppearance="?android:attr/textAppearanceSmall"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toStartOf="@+id/barrier"
-        app:layout_constraintStart_toEndOf="@+id/song_check"
-        tools:text="Artist" />
-
-    <ImageView
-        a:id="@+id/song_status_image"
-        a:layout_width="25dp"
-        a:layout_height="0dp"
-        a:layout_marginTop="8dp"
-        a:layout_marginEnd="10dip"
-        a:importantForAccessibility="no"
-        app:layout_constraintBottom_toTopOf="@id/song_duration"
-        app:layout_constraintEnd_toEndOf="@id/star_barrier"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <com.google.android.material.progressindicator.CircularProgressIndicator
-        a:id="@+id/song_status_progress"
-        a:layout_width="wrap_content"
-        a:layout_height="0dp"
-        a:layout_marginTop="8dp"
-        a:layout_marginEnd="10dip"
-        a:indeterminate="true"
-        app:indicatorColor="?attr/colorOnSurface"
-        app:indicatorSize="20dp"
-        app:layout_constraintBottom_toTopOf="@id/song_duration"
-        app:layout_constraintEnd_toEndOf="@id/star_barrier"
-        app:layout_constraintTop_toTopOf="parent"
-        app:trackColor="?attr/colorSurfaceVariant" />
-
-    <TextView
-        a:id="@+id/song_duration"
-        a:layout_width="wrap_content"
-        a:layout_height="wrap_content"
-        a:layout_marginBottom="10dp"
-        a:paddingStart="3dip"
-        a:paddingEnd="9dip"
-        a:singleLine="true"
-        a:textAppearance="?android:attr/textAppearanceSmall"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="@id/star_barrier"
-        tools:text="Duration" />
-
-    <androidx.constraintlayout.widget.Barrier
-        a:id="@+id/barrier"
-        a:layout_width="wrap_content"
-        a:layout_height="wrap_content"
-        app:barrierDirection="left"
-        app:constraint_referenced_ids="song_duration"
-        tools:layout_editor_absoluteX="289dp" />
-
-
-    <androidx.constraintlayout.widget.Barrier
-        a:id="@+id/star_barrier"
-        a:layout_width="wrap_content"
-        a:layout_height="wrap_content"
-        app:barrierDirection="left"
-        app:constraint_referenced_ids="song_five_star,song_star"
-        tools:layout_editor_absoluteX="354dp" />
-
-    <ImageView
-        a:id="@+id/song_star"
-        a:layout_width="wrap_content"
-        a:layout_height="0dp"
-        a:background="@android:color/transparent"
-        a:contentDescription="@string/download.menu_star"
-        a:focusable="false"
-        a:gravity="center_vertical"
-        a:importantForAccessibility="no"
-        a:paddingStart="5dip"
-        a:paddingEnd="6dip"
-        a:src="@drawable/ic_star_hollow"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toEndOf="@id/star_barrier"
-        app:layout_constraintTop_toTopOf="parent"
-        tools:visibility="invisible" />
+    <include layout="@layout/list_item_track_details" />
 
     <LinearLayout
-        a:id="@+id/song_five_star"
+        a:id="@+id/song_rating"
         a:layout_width="wrap_content"
-        a:layout_height="0dp"
+        a:layout_height="fill_parent"
         a:layout_gravity="center_vertical"
         a:orientation="horizontal"
-        a:visibility="visible"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toEndOf="@id/star_barrier"
-        app:layout_constraintTop_toTopOf="parent">
+        a:visibility="gone"
+        tools:visibility="visible">
 
         <ImageView
             a:id="@+id/song_five_star_1"
@@ -223,4 +99,16 @@
 
     </LinearLayout>
 
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+    <ImageView
+        a:id="@+id/song_star"
+        a:layout_width="38dp"
+        a:layout_height="fill_parent"
+        a:background="@android:color/transparent"
+        a:contentDescription="@string/download.menu_star"
+        a:focusable="false"
+        a:gravity="center_vertical"
+        a:paddingEnd="8dip"
+        a:src="@drawable/ic_star_hollow"
+        a:visibility="gone" />
+
+</LinearLayout>
\ No newline at end of file
diff --git a/ultrasonic/src/main/res/layout/list_item_track_details.xml b/ultrasonic/src/main/res/layout/list_item_track_details.xml
new file mode 100644
index 00000000..0c73405b
--- /dev/null
+++ b/ultrasonic/src/main/res/layout/list_item_track_details.xml
@@ -0,0 +1,102 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- DON'T CONVERT TO ConstraintLayout! We have been there and it was slower than LinearLayout :) -->
+<LinearLayout xmlns:a="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    a:layout_width="0dp"
+    a:layout_height="?android:attr/listPreferredItemHeight"
+    a:layout_gravity="center_vertical"
+    a:layout_marginStart="4dp"
+    a:layout_weight="1"
+    a:orientation="vertical"
+    tools:layout_height="?android:attr/listPreferredItemHeight"
+    tools:layout_width="match_parent">
+
+    <LinearLayout
+        a:layout_width="fill_parent"
+        a:layout_height="0dp"
+        a:layout_weight="3"
+        a:orientation="horizontal">
+
+        <TextView
+            a:id="@+id/song_track"
+            a:layout_width="wrap_content"
+            a:layout_height="wrap_content"
+            a:layout_gravity="left|center_vertical"
+            a:paddingEnd="6dip"
+            a:textAppearance="?android:attr/textAppearanceMedium"
+            a:visibility="gone"
+            tools:text="0/1" />
+
+        <TextView
+            a:id="@+id/song_title"
+            a:layout_width="0dp"
+            a:layout_height="wrap_content"
+            a:layout_gravity="bottom|left"
+            a:layout_weight="1"
+            a:drawablePadding="4dip"
+            a:ellipsize="end"
+            a:paddingEnd="4dip"
+            a:singleLine="true"
+            a:textAppearance="?android:attr/textAppearanceMedium"
+            tools:text="Title"
+            tools:ignore="NestedWeights" />
+
+        <ImageView
+            a:id="@+id/song_status_image"
+            a:layout_width="wrap_content"
+            a:layout_height="match_parent"
+            a:layout_marginTop="8dp"
+            a:layout_marginEnd="10dip"
+            a:importantForAccessibility="no"
+            a:visibility="gone" />
+
+        <com.google.android.material.progressindicator.CircularProgressIndicator
+            a:id="@+id/song_status_progress"
+            a:layout_width="wrap_content"
+            a:layout_height="match_parent"
+            a:layout_gravity="bottom|right"
+            a:layout_marginTop="8dp"
+            a:layout_marginEnd="10dip"
+            a:indeterminate="true"
+            a:visibility="gone"
+            app:indicatorColor="?attr/colorOnSurface"
+            app:indicatorSize="20dp"
+            app:trackColor="?attr/colorSurfaceVariant"
+            tools:visibility="visible" />
+    </LinearLayout>
+
+    <LinearLayout
+        a:layout_width="fill_parent"
+        a:layout_height="wrap_content"
+        a:layout_gravity="center_vertical"
+        a:layout_weight="1"
+        a:orientation="horizontal">
+
+        <TextView
+            a:id="@+id/song_artist"
+            a:layout_width="0dip"
+            a:layout_height="wrap_content"
+            a:layout_gravity="top|left"
+            a:layout_weight="1"
+            a:ellipsize="middle"
+            a:paddingStart="1dip"
+            a:paddingEnd="4dip"
+            a:singleLine="true"
+            a:textAppearance="?android:attr/textAppearanceSmall"
+            tools:text="Artist"
+            tools:ignore="NestedWeights" />
+
+        <TextView
+            a:id="@+id/song_duration"
+            a:layout_width="wrap_content"
+            a:layout_height="wrap_content"
+            a:layout_gravity="right|top"
+            a:paddingStart="3dip"
+            a:paddingEnd="9dip"
+            a:singleLine="true"
+            a:textAppearance="?android:attr/textAppearanceSmall"
+            tools:text="00:00" />
+    </LinearLayout>
+
+</LinearLayout>
\ No newline at end of file