detail: add framework for song details

Add the basic framework for a song detail view.

app/src/main/java/org/oxycblt/auxio/detail/DetailViewModel.kt

@@ -17,9 +17,16 @@
  
 package org.oxycblt.auxio.detail
 
+import android.content.Context
+import android.media.MediaExtractor
+import android.media.MediaFormat
 import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 import org.oxycblt.auxio.R
 import org.oxycblt.auxio.detail.recycler.DiscHeader
 import org.oxycblt.auxio.detail.recycler.SortHeader
@@ -27,11 +34,13 @@ import org.oxycblt.auxio.music.Album
 import org.oxycblt.auxio.music.Artist
 import org.oxycblt.auxio.music.Genre
 import org.oxycblt.auxio.music.MusicStore
+import org.oxycblt.auxio.music.Song
 import org.oxycblt.auxio.settings.SettingsManager
 import org.oxycblt.auxio.ui.Header
 import org.oxycblt.auxio.ui.Item
 import org.oxycblt.auxio.ui.Sort
 import org.oxycblt.auxio.util.logD
+import org.oxycblt.auxio.util.logW
 import org.oxycblt.auxio.util.unlikelyToBeNull
 
 /**
@@ -42,9 +51,15 @@ import org.oxycblt.auxio.util.unlikelyToBeNull
  * @author OxygenCobalt
  */
 class DetailViewModel : ViewModel(), MusicStore.Callback {
+    data class DetailSong(val song: Song, val bitrateKbps: Int?, val sampleRate: Int?)
+
     private val musicStore = MusicStore.getInstance()
     private val settingsManager = SettingsManager.getInstance()
 
+    private val _currentSong = MutableStateFlow<DetailSong?>(null)
+    val currentSong: StateFlow<DetailSong?>
+        get() = _currentSong
+
     private val _currentAlbum = MutableStateFlow<Album?>(null)
     val currentAlbum: StateFlow<Album?>
         get() = _currentAlbum
@@ -88,6 +103,13 @@ class DetailViewModel : ViewModel(), MusicStore.Callback {
             currentGenre.value?.let(::refreshGenreData)
         }
 
+    fun setSongId(context: Context, id: Long) {
+        if (_currentSong.value?.run { song.id } == id) return
+        val library = unlikelyToBeNull(musicStore.library)
+        val song = requireNotNull(library.songs.find { it.id == id }) { "Invalid song id provided" }
+        generateDetailSong(context, song)
+    }
+
     fun setAlbumId(id: Long) {
         if (_currentAlbum.value?.id == id) return
         val library = unlikelyToBeNull(musicStore.library)
@@ -120,6 +142,41 @@ class DetailViewModel : ViewModel(), MusicStore.Callback {
         musicStore.addCallback(this)
     }
 
+    private fun generateDetailSong(context: Context, song: Song) {
+        viewModelScope.launch {
+            _currentSong.value =
+                withContext(Dispatchers.IO) {
+                    val extractor = MediaExtractor()
+
+                    try {
+                        extractor.setDataSource(context, song.uri, emptyMap())
+                    } catch (e: Exception) {
+                        logW("Unable to extract song attributes.")
+                        logW(e.stackTraceToString())
+                        return@withContext DetailSong(song, null, null)
+                    }
+
+                    val format = extractor.getTrackFormat(0)
+
+                    val bitrate =
+                        try {
+                            format.getInteger(MediaFormat.KEY_BIT_RATE) / 1000 // bps -> kbps
+                        } catch (e: Exception) {
+                            null
+                        }
+
+                    val sampleRate =
+                        try {
+                            format.getInteger(MediaFormat.KEY_SAMPLE_RATE)
+                        } catch (e: Exception) {
+                            null
+                        }
+
+                    DetailSong(song, bitrate, sampleRate)
+                }
+        }
+    }
+
     private fun refreshAlbumData(album: Album) {
         logD("Refreshing album data")
         val data = mutableListOf<Item>(album)
@@ -166,6 +223,15 @@ class DetailViewModel : ViewModel(), MusicStore.Callback {
 
     override fun onLibraryChanged(library: MusicStore.Library?) {
         if (library != null) {
+            // TODO: Add when we have a context
+            //            val song = currentSong.value
+            //            if (song != null) {
+            //                val newSong = library.sanitize(song.song)
+            //                if (newSong != null) {
+            //                    generateDetailSong(newSong)
+            //                }
+            //            }
+
             val album = currentAlbum.value
             if (album != null) {
                 val newAlbum = library.sanitize(album).also { _currentAlbum.value = it }

app/src/main/java/org/oxycblt/auxio/detail/ReadOnlyTextInput.kt

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2022 Auxio Project
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+ 
+package org.oxycblt.auxio.detail
+
+import android.content.Context
+import android.graphics.Color
+import android.graphics.drawable.Drawable
+import android.graphics.drawable.RippleDrawable
+import android.os.Build
+import android.text.method.MovementMethod
+import android.util.AttributeSet
+import android.view.View
+import androidx.annotation.AttrRes
+import androidx.core.graphics.drawable.DrawableCompat.setTint
+import com.google.android.material.shape.MaterialShapeDrawable
+import com.google.android.material.textfield.TextInputEditText
+import org.oxycblt.auxio.R
+import org.oxycblt.auxio.util.getAttrStateListSafe
+
+class ReadOnlyTextInput : TextInputEditText {
+    constructor(context: Context) : super(context)
+
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
+
+    constructor(
+        context: Context,
+        attrs: AttributeSet?,
+        @AttrRes defStyleAttr: Int
+    ) : super(context, attrs, defStyleAttr)
+
+    init {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            focusable = View.FOCUSABLE_AUTO
+        }
+    }
+
+    override fun getFreezesText(): Boolean = false
+
+    override fun getDefaultEditable(): Boolean = false
+
+    override fun getDefaultMovementMethod(): MovementMethod? = null
+}

app/src/main/java/org/oxycblt/auxio/detail/SongDetailDialog.kt

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2022 Auxio Project
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+ 
+package org.oxycblt.auxio.detail
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import androidx.appcompat.app.AlertDialog
+import androidx.core.view.isGone
+import androidx.fragment.app.activityViewModels
+import org.oxycblt.auxio.BuildConfig
+import org.oxycblt.auxio.R
+import org.oxycblt.auxio.databinding.DialogSongDetailBinding
+import org.oxycblt.auxio.music.Song
+import org.oxycblt.auxio.ui.ViewBindingDialogFragment
+import org.oxycblt.auxio.util.launch
+
+class SongDetailDialog : ViewBindingDialogFragment<DialogSongDetailBinding>() {
+    private val detailModel: DetailViewModel by activityViewModels()
+
+    override fun onCreateBinding(inflater: LayoutInflater) =
+        DialogSongDetailBinding.inflate(inflater)
+
+    override fun onConfigDialog(builder: AlertDialog.Builder) {
+        super.onConfigDialog(builder)
+        builder.setTitle(R.string.lbl_props).setPositiveButton(R.string.lbl_ok, null)
+    }
+
+    override fun onBindingCreated(binding: DialogSongDetailBinding, savedInstanceState: Bundle?) {
+        super.onBindingCreated(binding, savedInstanceState)
+        detailModel.setSongId(requireContext(), requireNotNull(arguments).getLong(ARG_ID))
+        launch { detailModel.currentSong.collect(::updateSong) }
+    }
+
+    private fun updateSong(song: DetailViewModel.DetailSong?) {
+        val binding = requireBinding()
+
+        if (song != null) {
+            binding.detailContainer.isGone = false
+            binding.detailFileName.setText(song.song.fileName)
+
+            if (song.bitrateKbps != null) {
+                binding.detailBitrate.setText(getString(R.string.fmt_bitrate, song.bitrateKbps))
+            } else {
+                binding.detailBitrate.setText(R.string.def_bitrate)
+            }
+
+            if (song.sampleRate != null) {
+                binding.detailSampleRate.setText(
+                    getString(R.string.fmt_sample_rate, song.sampleRate))
+            } else {
+                binding.detailSampleRate.setText(R.string.def_sample_rate)
+            }
+        } else {
+            binding.detailContainer.isGone = true
+        }
+    }
+
+    companion object {
+        fun from(song: Song): SongDetailDialog {
+            val instance = SongDetailDialog()
+            instance.arguments = Bundle().apply { putLong(ARG_ID, song.id) }
+            return instance
+        }
+
+        const val TAG = BuildConfig.APPLICATION_ID + ".tag.SONG_DETAILS"
+        private const val ARG_ID = BuildConfig.APPLICATION_ID + ".arg.SONG_ID"
+    }
+}

app/src/main/java/org/oxycblt/auxio/playback/replaygain/ReplayGainAudioProcessor.kt

@@ -226,7 +226,7 @@ class ReplayGainAudioProcessor : BaseAudioProcessor() {
         val buffer = replaceOutputBuffer(size)
 
         if (volume == 1f) {
-            // No need to apply ReplayGain, do a memmove using put instead of
+            // No need to apply ReplayGain, do a mem move using put instead of
             // a for loop (the latter is not efficient)
             buffer.put(inputBuffer.slice())
         } else {

app/src/main/java/org/oxycblt/auxio/playback/system/PlaybackService.kt

@@ -206,6 +206,7 @@ class PlaybackService :
     }
 
     override fun onPlayerError(error: PlaybackException) {
+        // TODO: Replace with no skipping and a notification instead
         // If there's any issue, just go to the next song.
         playbackManager.next()
     }

app/src/main/java/org/oxycblt/auxio/ui/ActionMenu.kt

@@ -26,6 +26,7 @@ import androidx.core.view.children
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.ViewModelProvider
 import org.oxycblt.auxio.R
+import org.oxycblt.auxio.detail.SongDetailDialog
 import org.oxycblt.auxio.music.Album
 import org.oxycblt.auxio.music.Artist
 import org.oxycblt.auxio.music.Genre
@@ -59,7 +60,7 @@ fun Fragment.newMenu(anchor: View, data: Item, flag: Int = ActionMenu.FLAG_NONE)
  * TODO: Add multi-select
  */
 class ActionMenu(
-    activity: AppCompatActivity,
+    private val activity: AppCompatActivity,
     anchor: View,
     private val data: Item,
     private val flag: Int
@@ -180,6 +181,12 @@ class ActionMenu(
                     navModel.exploreNavigateTo(data.artist)
                 }
             }
+            R.id.action_song_detail -> {
+                if (data is Song) {
+                    SongDetailDialog.from(data)
+                        .show(activity.supportFragmentManager, SongDetailDialog.TAG)
+                }
+            }
         }
     }
 

app/src/main/java/org/oxycblt/auxio/util/ContextUtil.kt

@@ -131,6 +131,28 @@ fun Context.getAttrColorSafe(@AttrRes attr: Int): Int {
     return getColorSafe(color)
 }
 
+/**
+ * Convenience method for getting a color attribute safely.
+ * @param attr The color attribute
+ * @return The attribute requested, or black if an error occurred.
+ */
+@ColorInt
+fun Context.getAttrStateListSafe(@AttrRes attr: Int): ColorStateList {
+    // First resolve the attribute into its ID
+    val resolvedAttr = TypedValue()
+    theme.resolveAttribute(attr, resolvedAttr, true)
+
+    // Then convert it to a proper color
+    val color =
+        if (resolvedAttr.resourceId != 0) {
+            resolvedAttr.resourceId
+        } else {
+            resolvedAttr.data
+        }
+
+    return getColorStateListSafe(color)
+}
+
 /**
  * Convenience method for getting a [Drawable] safely.
  * @param drawable The drawable resource

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

@@ -0,0 +1,131 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingTop="@dimen/spacing_medium">
+
+    <androidx.core.widget.NestedScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <LinearLayout
+            android:id="@+id/detail_container"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical"
+            android:paddingStart="@dimen/spacing_mid_large"
+            android:paddingEnd="@dimen/spacing_mid_large"
+            android:visibility="gone"
+            tools:visibility="visible">
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:hint="@string/lbl_file_name"
+                app:expandedHintEnabled="false">
+
+                <org.oxycblt.auxio.detail.ReadOnlyTextInput
+                    android:id="@+id/detail_file_name"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    tools:text="file.mp3" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_medium"
+                android:hint="@string/lbl_relative_path"
+                app:expandedHintEnabled="false">
+
+                <org.oxycblt.auxio.detail.ReadOnlyTextInput
+                    android:id="@+id/detail_relative_path"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    tools:text="/path/to" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_medium"
+                android:hint="@string/lbl_format"
+                app:expandedHintEnabled="false">
+
+                <org.oxycblt.auxio.detail.ReadOnlyTextInput
+                    android:id="@+id/detail_format"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    tools:text="MP3" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_medium"
+                app:expandedHintEnabled="false"
+                android:hint="@string/lbl_size">
+
+                <org.oxycblt.auxio.detail.ReadOnlyTextInput
+                    android:id="@+id/detail_size"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    tools:text="16 MB" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_medium"
+                android:hint="@string/lbl_sort_duration"
+                app:expandedHintEnabled="false">
+
+                <org.oxycblt.auxio.detail.ReadOnlyTextInput
+                    android:id="@+id/detail_duration"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    tools:text="3:20" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_medium"
+                android:hint="@string/lbl_bitrate"
+                app:expandedHintEnabled="false">
+
+                <org.oxycblt.auxio.detail.ReadOnlyTextInput
+                    android:id="@+id/detail_bitrate"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    tools:text="320 kb/s" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/spacing_medium"
+                android:hint="@string/lbl_sample_rate"
+                app:expandedHintEnabled="false">
+
+                <org.oxycblt.auxio.detail.ReadOnlyTextInput
+                    android:id="@+id/detail_sample_rate"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    tools:text="44100 Hz" />
+
+            </com.google.android.material.textfield.TextInputLayout>
+
+        </LinearLayout>
+    </androidx.core.widget.NestedScrollView>
+
+
+</FrameLayout>

app/src/main/res/menu/menu_song_actions.xml

@@ -12,4 +12,7 @@
     <item
         android:id="@+id/action_go_album"
         android:title="@string/lbl_go_album" />
+    <item
+        android:id="@+id/action_song_detail"
+        android:title="@string/lbl_song_detail" />
 </menu>

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

@@ -47,6 +47,15 @@
 
     <string name="lbl_go_artist">Go to artist</string>
     <string name="lbl_go_album">Go to album</string>
+    <string name="lbl_song_detail">View properties</string>
+
+    <string name="lbl_props">File properties</string>
+    <string name="lbl_file_name">File name</string>
+    <string name="lbl_relative_path">Relative path</string>
+    <string name="lbl_format">Format</string>
+    <string name="lbl_size">Size</string>
+    <string name="lbl_bitrate">Bitrate</string>
+    <string name="lbl_sample_rate">Sample rate</string>
 
     <string name="lbl_state_saved">State saved</string>
 
@@ -160,6 +169,8 @@
     <string name="def_date">No Date</string>
     <string name="def_track">No Track Number</string>
     <string name="def_playback">No music playing</string>
+    <string name="def_bitrate">No Bitrate</string>
+    <string name="def_sample_rate">No Sample Rate</string>
     <string name="def_widget_song">Song Name</string>
     <string name="def_widget_artist">Artist Name</string>
 
@@ -187,6 +198,8 @@
 
     <string name="fmt_db_pos">+%.1f dB</string>
     <string name="fmt_db_neg">-%.1f dB</string>
+    <string name="fmt_bitrate">%d KB/s</string>
+    <string name="fmt_sample_rate">%d Hz</string>
 
     <string name="fmt_indexing">Loading your music library… (%1$d/%2$d)</string>
 

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

@@ -33,6 +33,7 @@
         <item name="materialAlertDialogTheme">@style/Theme.Auxio.Dialog</item>
         <item name="sliderStyle">@style/Widget.Auxio.Slider</item>
         <item name="linearProgressIndicatorStyle">@style/Widget.Auxio.LinearProgressIndicator</item>
+        <item name="textInputStyle">@style/Widget.Material3.TextInputLayout.OutlinedBox</item>
 
         <item name="textAppearanceDisplayLarge">@style/TextAppearance.Auxio.DisplayLarge</item>
         <item name="textAppearanceDisplayMedium">@style/TextAppearance.Auxio.DisplayMedium</item>

app/src/main/res/xml/prefs_main.xml

@@ -54,6 +54,7 @@
             app:summary="@string/set_quality_covers_desc"
             app:title="@string/set_quality_covers" />
 
+        <!-- FIXME: Should not be dependent on cover option -->
         <org.oxycblt.auxio.settings.pref.M3SwitchPreference
             app:defaultValue="false"
             app:dependency="KEY_SHOW_COVERS"