Waveform fill color attribute for message audio view.

res/layout/conversation_activity_attachment_editor_stub.xml

@@ -41,7 +41,8 @@
                 android:paddingBottom="15dp"
                 app:widgetBackground="?conversation_item_bubble_background"
                 app:foregroundTintColor="?android:colorControlNormal"
-                app:backgroundTintColor="?conversation_item_bubble_background"/>
+                app:backgroundTintColor="?conversation_item_bubble_background"
+                app:waveformFillColor="?conversation_item_audio_seek_bar_color"/>
 
         <org.thoughtcrime.securesms.components.DocumentView
             android:id="@+id/attachment_document"

res/layout/conversation_item_received_audio.xml

@@ -9,4 +9,5 @@
         android:visibility="gone"
         app:foregroundTintColor="?android:colorControlNormal"
         app:backgroundTintColor="?message_received_background_color"
+        app:waveformFillColor="?conversation_item_audio_seek_bar_color"
         tools:visibility="visible"/>

res/layout/conversation_item_sent_audio.xml

@@ -7,4 +7,5 @@
         android:layout_height="wrap_content"
         app:foregroundTintColor="?android:colorControlNormal"
         app:backgroundTintColor="?message_sent_background_color"
+        app:waveformFillColor="?conversation_item_audio_seek_bar_color"
         android:visibility="gone"/>

res/layout/message_audio_view.xml

@@ -78,7 +78,6 @@
                      android:layout_gravity="center_vertical"
                      android:layout_marginStart="4dp"
                      android:layout_marginEnd="4dp"
-                     app:bar_progress_color="?conversation_item_audio_seek_bar_color"
                      app:bar_gravity="center"
                      app:bar_width="4dp"
                      app:bar_corner_radius="2dp"

res/values/attrs.xml

@@ -174,6 +174,7 @@
         <attr name="widgetBackground" format="color"/>
         <attr name="foregroundTintColor" format="color" />
         <attr name="backgroundTintColor" format="color" />
+        <attr name="waveformFillColor" format="reference|color" />
     </declare-styleable>
 
     <declare-styleable name="CircleColorImageView">

src/org/thoughtcrime/securesms/loki/views/MessageAudioView.kt

@@ -117,7 +117,8 @@ class MessageAudioView: FrameLayout, AudioSlidePlayer.Listener {
         if (attrs != null) {
             val typedArray = context.theme.obtainStyledAttributes(attrs, R.styleable.MessageAudioView, 0, 0)
             setTint(typedArray.getColor(R.styleable.MessageAudioView_foregroundTintColor, Color.WHITE),
-                    typedArray.getColor(R.styleable.MessageAudioView_backgroundTintColor, Color.WHITE))
+                    typedArray.getColor(R.styleable.MessageAudioView_backgroundTintColor, Color.WHITE),
+                    typedArray.getColor(R.styleable.MessageAudioView_waveformFillColor, Color.WHITE))
             container.setBackgroundColor(typedArray.getColor(R.styleable.MessageAudioView_widgetBackground, Color.TRANSPARENT))
             typedArray.recycle()
         }
@@ -181,7 +182,7 @@ class MessageAudioView: FrameLayout, AudioSlidePlayer.Listener {
         downloadListener = listener
     }
 
-    fun setTint(@ColorInt foregroundTint: Int, @ColorInt backgroundTint: Int) {
+    fun setTint(@ColorInt foregroundTint: Int, @ColorInt backgroundTint: Int, @ColorInt waveformFill: Int) {
         playButton.backgroundTintList = ColorStateList.valueOf(foregroundTint)
         playButton.imageTintList = ColorStateList.valueOf(backgroundTint)
         pauseButton.backgroundTintList = ColorStateList.valueOf(foregroundTint)
@@ -192,6 +193,7 @@ class MessageAudioView: FrameLayout, AudioSlidePlayer.Listener {
         totalDuration.setTextColor(foregroundTint)
 
         // Seek bar's progress color is set from the XML template. Whereas the background is computed.
+        seekBar.barProgressColor = waveformFill
         seekBar.barBackgroundColor = ColorUtils.blendARGB(foregroundTint, backgroundTint, 0.75f)
     }