WIP: auto play next voice message

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt

@@ -23,6 +23,8 @@ import android.widget.RelativeLayout
 import android.widget.Toast
 import androidx.annotation.DimenRes
 import androidx.appcompat.app.AlertDialog
+import androidx.core.view.children
+import androidx.core.view.get
 import androidx.core.view.isVisible
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
@@ -40,6 +42,7 @@ import kotlinx.android.synthetic.main.view_conversation.view.*
 import kotlinx.android.synthetic.main.view_input_bar.view.*
 import kotlinx.android.synthetic.main.view_input_bar_recording.*
 import kotlinx.android.synthetic.main.view_input_bar_recording.view.*
+import kotlinx.android.synthetic.main.view_visible_message.view.*
 import network.loki.messenger.R
 import nl.komponents.kovenant.ui.failUi
 import nl.komponents.kovenant.ui.successUi
@@ -84,8 +87,7 @@ import org.thoughtcrime.securesms.conversation.v2.input_bar.mentions.MentionCand
 import org.thoughtcrime.securesms.conversation.v2.menus.ConversationActionModeCallback
 import org.thoughtcrime.securesms.conversation.v2.menus.ConversationActionModeCallbackDelegate
 import org.thoughtcrime.securesms.conversation.v2.menus.ConversationMenuHelper
-import org.thoughtcrime.securesms.conversation.v2.messages.VisibleMessageContentViewDelegate
+import org.thoughtcrime.securesms.conversation.v2.messages.*
-import org.thoughtcrime.securesms.conversation.v2.messages.VisibleMessageView
 import org.thoughtcrime.securesms.conversation.v2.search.SearchBottomBar
 import org.thoughtcrime.securesms.conversation.v2.search.SearchViewModel
 import org.thoughtcrime.securesms.conversation.v2.utilities.AttachmentManager
@@ -124,7 +126,7 @@ import kotlin.math.*
 class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDelegate,
         InputBarRecordingViewDelegate, AttachmentManager.AttachmentListener, ActivityDispatcher,
         ConversationActionModeCallbackDelegate, VisibleMessageContentViewDelegate, RecipientModifiedListener,
-        SearchBottomBar.EventListener {
+        SearchBottomBar.EventListener, VoiceMessageViewDelegate {
     private val screenWidth = Resources.getSystem().displayMetrics.widthPixels
     private var linkPreviewViewModel: LinkPreviewViewModel? = null
     private var threadID: Long = -1
@@ -844,6 +846,21 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         conversationRecyclerView.scrollToPosition(lastSeenItemPosition)
     }
 
+    override fun playNextAudioIfPossible(current: Int) {
+        if (current < conversationRecyclerView.childCount) {
+            val nextVisibleMessageView = conversationRecyclerView[current + 1] as? VisibleMessageView
+            nextVisibleMessageView?.let { visibleMessageView ->
+                visibleMessageView.messageContentView.mainContainer.children.forEach { child ->
+                    val nextVoiceMessageView = child as? VoiceMessageView
+                    nextVoiceMessageView?.let { voiceMessageView ->
+                        voiceMessageView.togglePlayback()
+                        return@forEach
+                    }
+                }
+            }
+        }
+    }
+
     override fun sendMessage() {
         if (thread.isContactRecipient && thread.isBlocked) {
             BlockedDialog(thread).show(supportFragmentManager, "Blocked Dialog")

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VisibleMessageContentView.kt

@@ -103,6 +103,7 @@ class VisibleMessageContentView : LinearLayout {
             val voiceMessageView = VoiceMessageView(context)
             voiceMessageView.bind(message, isStartOfMessageCluster, isEndOfMessageCluster)
             mainContainer.addView(voiceMessageView)
+            voiceMessageView.delegate = delegate
             // We have to use onContentClick (rather than a click listener directly on the voice
             // message view) so as to not interfere with all the other gestures.
             onContentClick = { voiceMessageView.togglePlayback() }

app/src/main/java/org/thoughtcrime/securesms/conversation/v2/messages/VoiceMessageView.kt

@@ -25,6 +25,8 @@ class VoiceMessageView : LinearLayout, AudioSlidePlayer.Listener {
     private var duration = 0L
     private var player: AudioSlidePlayer? = null
     private var isPreparing = false
+    var delegate: VisibleMessageContentViewDelegate? = null
+    var index = 0
 
     // region Lifecycle
     constructor(context: Context) : super(context) { initialize() }
@@ -70,6 +72,7 @@ class VoiceMessageView : LinearLayout, AudioSlidePlayer.Listener {
         if (progress == 1.0) {
             togglePlayback()
             handleProgressChanged(0.0)
+            delegate?.playNextAudioIfPossible(index)
         } else {
             handleProgressChanged(progress)
         }
@@ -112,3 +115,8 @@ class VoiceMessageView : LinearLayout, AudioSlidePlayer.Listener {
     }
     // endregion
 }
+
+interface VoiceMessageViewDelegate {
+
+    fun playNextAudioIfPossible(current: Int)
+}