Using IO dispatcher to create generated avatar

app/src/main/java/org/linphone/activities/main/chat/viewmodels/ChatRoomViewModel.kt

@@ -27,6 +27,8 @@ import android.view.animation.LinearInterpolator
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.CoroutineScope
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.LinphoneApplication.Companion.corePreferences
 import org.linphone.R
@@ -53,6 +55,7 @@ class ChatRoomViewModel(val chatRoom: ChatRoom) : ViewModel(), ContactDataInterf
     override val securityLevel: MutableLiveData<ChatRoomSecurityLevel> = MutableLiveData<ChatRoomSecurityLevel>()
     override val showGroupChatAvatar: Boolean = chatRoom.hasCapability(ChatRoomCapabilities.Conference.toInt()) &&
         !chatRoom.hasCapability(ChatRoomCapabilities.OneToOne.toInt())
+    override val coroutineScope: CoroutineScope = viewModelScope
 
     val subject = MutableLiveData<String>()
 

app/src/main/java/org/linphone/activities/main/contact/viewmodels/ContactEditorViewModel.kt

@@ -25,8 +25,10 @@ import android.media.ExifInterface
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
 import java.io.ByteArrayOutputStream
 import java.io.IOException
+import kotlinx.coroutines.CoroutineScope
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.LinphoneApplication.Companion.corePreferences
 import org.linphone.activities.main.contact.data.NumberOrAddressEditorData
@@ -50,6 +52,7 @@ class ContactEditorViewModel(val c: Friend?) : ViewModel(), ContactDataInterface
     override val contact: MutableLiveData<Friend> = MutableLiveData<Friend>()
     override val displayName: MutableLiveData<String> = MutableLiveData<String>()
     override val securityLevel: MutableLiveData<ChatRoomSecurityLevel> = MutableLiveData<ChatRoomSecurityLevel>()
+    override val coroutineScope: CoroutineScope = viewModelScope
 
     val firstName = MutableLiveData<String>()
 

app/src/main/java/org/linphone/activities/main/contact/viewmodels/ContactViewModel.kt

@@ -24,6 +24,8 @@ import android.provider.ContactsContract
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.CoroutineScope
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.LinphoneApplication.Companion.corePreferences
 import org.linphone.R
@@ -52,6 +54,7 @@ class ContactViewModel(friend: Friend, async: Boolean = false) : MessageNotifier
     override val contact: MutableLiveData<Friend> = MutableLiveData<Friend>()
     override val displayName: MutableLiveData<String> = MutableLiveData<String>()
     override val securityLevel: MutableLiveData<ChatRoomSecurityLevel> = MutableLiveData<ChatRoomSecurityLevel>()
+    override val coroutineScope: CoroutineScope = viewModelScope
 
     var fullName = ""
 

app/src/main/java/org/linphone/contact/ContactDataInterface.kt

@@ -20,6 +20,8 @@
 package org.linphone.contact
 
 import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.viewModelScope
+import kotlinx.coroutines.CoroutineScope
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.activities.main.viewmodels.MessageNotifierViewModel
 import org.linphone.core.Address
@@ -36,12 +38,15 @@ interface ContactDataInterface {
 
     val showGroupChatAvatar: Boolean
         get() = false
+
+    val coroutineScope: CoroutineScope
 }
 
 open class GenericContactData(private val sipAddress: Address) : ContactDataInterface {
     final override val contact: MutableLiveData<Friend> = MutableLiveData<Friend>()
     final override val displayName: MutableLiveData<String> = MutableLiveData<String>()
     final override val securityLevel: MutableLiveData<ChatRoomSecurityLevel> = MutableLiveData<ChatRoomSecurityLevel>()
+    final override val coroutineScope: CoroutineScope = coreContext.coroutineScope
 
     init {
         securityLevel.value = ChatRoomSecurityLevel.ClearText
@@ -63,6 +68,7 @@ abstract class GenericContactViewModel(private val sipAddress: Address) : Messag
     final override val contact: MutableLiveData<Friend> = MutableLiveData<Friend>()
     final override val displayName: MutableLiveData<String> = MutableLiveData<String>()
     final override val securityLevel: MutableLiveData<ChatRoomSecurityLevel> = MutableLiveData<ChatRoomSecurityLevel>()
+    final override val coroutineScope: CoroutineScope = viewModelScope
 
     init {
         securityLevel.value = ChatRoomSecurityLevel.ClearText

app/src/main/java/org/linphone/contact/ContactSelectionData.kt

@@ -20,6 +20,7 @@
 package org.linphone.contact
 
 import androidx.lifecycle.MutableLiveData
+import kotlinx.coroutines.CoroutineScope
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.core.*
 import org.linphone.utils.LinphoneUtils
@@ -28,6 +29,7 @@ class ContactSelectionData(private val searchResult: SearchResult) : ContactData
     override val contact: MutableLiveData<Friend> = MutableLiveData<Friend>()
     override val displayName: MutableLiveData<String> = MutableLiveData<String>()
     override val securityLevel: MutableLiveData<ChatRoomSecurityLevel> = MutableLiveData<ChatRoomSecurityLevel>()
+    override val coroutineScope: CoroutineScope = coreContext.coroutineScope
 
     val isDisabled: MutableLiveData<Boolean> by lazy {
         MutableLiveData<Boolean>()

app/src/main/java/org/linphone/core/CoreContext.kt

@@ -118,8 +118,9 @@ class CoreContext(
         MutableLiveData<Event<String>>()
     }
 
+    val coroutineScope = CoroutineScope(Dispatchers.Main + SupervisorJob())
+
     private val loggingService = Factory.instance().loggingService
-    private val coroutineScope = CoroutineScope(Dispatchers.Main + SupervisorJob())
 
     private var overlayX = 0f
     private var overlayY = 0f

app/src/main/java/org/linphone/utils/DataBindingUtils.kt

@@ -42,7 +42,9 @@ import coil.request.CachePolicy
 import coil.request.videoFrameMillis
 import coil.transform.CircleCropTransformation
 import com.google.android.material.switchmaterial.SwitchMaterial
+import kotlinx.coroutines.*
 import org.linphone.BR
+import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.LinphoneApplication.Companion.corePreferences
 import org.linphone.R
 import org.linphone.activities.GenericActivity
@@ -320,7 +322,7 @@ fun loadImageWithCoil(imageView: ImageView, path: String?) {
     }
 }
 
-private fun loadContactPictureWithCoil(
+private suspend fun loadContactPictureWithCoil(
     imageView: ImageView,
     contact: ContactDataInterface?,
     useThumbnail: Boolean,
@@ -329,76 +331,100 @@ private fun loadContactPictureWithCoil(
     color: Int = 0,
     textColor: Int = 0
 ) {
-    if (contact != null) {
-        val context = imageView.context
-        val displayName = contact.contact.value?.name ?: contact.displayName.value.orEmpty()
-        val source = contact.contact.value?.getPictureUri(useThumbnail)
-        imageView.load(source) {
-            transformations(CircleCropTransformation())
-            error(
-                if (contact.showGroupChatAvatar) {
-                    val bg = AppCompatResources.getDrawable(context, R.drawable.generated_avatar_bg)
-                    imageView.background = bg
-                    AppCompatResources.getDrawable(context, R.drawable.icon_multiple_contacts_avatar)
-                } else if (displayName.isEmpty() || AppUtils.getInitials(displayName) == "+") {
-                    val bg = AppCompatResources.getDrawable(context, R.drawable.generated_avatar_bg)
-                    imageView.background = bg
-                    AppCompatResources.getDrawable(context, R.drawable.icon_single_contact_avatar)
-                } else {
-                    val builder = ContactAvatarGenerator(context)
-                    builder.setLabel(displayName)
-                    if (size > 0) {
-                        builder.setAvatarSize(AppUtils.getDimension(size).toInt())
-                    }
-                    if (textSize > 0) {
-                        builder.setTextSize(AppUtils.getDimension(textSize))
-                    }
-                    if (color > 0) {
-                        builder.setBackgroundColorAttribute(color)
-                    }
-                    if (textColor > 0) {
-                        builder.setTextColorResource(textColor)
-                    }
-                    builder.build()
+    coroutineScope {
+        withContext(Dispatchers.IO) {
+            if (contact != null) {
+                val context = imageView.context
+                val displayName = contact.contact.value?.name ?: contact.displayName.value.orEmpty()
+                val source = contact.contact.value?.getPictureUri(useThumbnail)
+                imageView.load(source) {
+                    transformations(CircleCropTransformation())
+                    error(
+                        if (contact.showGroupChatAvatar) {
+                            val bg = AppCompatResources.getDrawable(context, R.drawable.generated_avatar_bg)
+                            imageView.background = bg
+                            AppCompatResources.getDrawable(context, R.drawable.icon_multiple_contacts_avatar)
+                        } else if (displayName.isEmpty() || AppUtils.getInitials(displayName) == "+") {
+                            val bg = AppCompatResources.getDrawable(context, R.drawable.generated_avatar_bg)
+                            imageView.background = bg
+                            AppCompatResources.getDrawable(context, R.drawable.icon_single_contact_avatar)
+                        } else {
+                            val builder = ContactAvatarGenerator(context)
+                            builder.setLabel(displayName)
+                            if (size > 0) {
+                                builder.setAvatarSize(AppUtils.getDimension(size).toInt())
+                            }
+                            if (textSize > 0) {
+                                builder.setTextSize(AppUtils.getDimension(textSize))
+                            }
+                            if (color > 0) {
+                                builder.setBackgroundColorAttribute(color)
+                            }
+                            if (textColor > 0) {
+                                builder.setTextColorResource(textColor)
+                            }
+                            builder.build()
+                        }
+                    )
                 }
-            )
+            } else {
+                val bg = AppCompatResources.getDrawable(imageView.context, R.drawable.generated_avatar_bg)
+                imageView.background = bg
+                imageView.load(R.drawable.icon_single_contact_avatar)
+            }
         }
-    } else {
-        val bg = AppCompatResources.getDrawable(imageView.context, R.drawable.generated_avatar_bg)
-        imageView.background = bg
-        imageView.load(R.drawable.icon_single_contact_avatar)
     }
 }
 
 @BindingAdapter("coilContact")
 fun loadContactPictureWithCoil(imageView: ImageView, contact: ContactDataInterface?) {
-    loadContactPictureWithCoil(imageView, contact, true)
+    val coroutineScope = contact?.coroutineScope ?: coreContext.coroutineScope
+    coroutineScope.launch {
+        withContext(Dispatchers.Main) {
+            loadContactPictureWithCoil(imageView, contact, true)
+        }
+    }
 }
 
 @BindingAdapter("coilContactBig")
 fun loadBigContactPictureWithCoil(imageView: ImageView, contact: ContactDataInterface?) {
-    loadContactPictureWithCoil(
-        imageView, contact, false,
-        R.dimen.contact_avatar_big_size, R.dimen.contact_avatar_text_big_size
-    )
+    val coroutineScope = contact?.coroutineScope ?: coreContext.coroutineScope
+    coroutineScope.launch {
+        withContext(Dispatchers.Main) {
+            loadContactPictureWithCoil(
+                imageView, contact, false,
+                R.dimen.contact_avatar_big_size, R.dimen.contact_avatar_text_big_size
+            )
+        }
+    }
 }
 
 @BindingAdapter("coilVoipContactAlt")
 fun loadVoipContactPictureWithCoilAlt(imageView: ImageView, contact: ContactDataInterface?) {
-    loadContactPictureWithCoil(
-        imageView, contact, false,
-        R.dimen.voip_contact_avatar_max_size, R.dimen.voip_contact_avatar_text_size,
-        R.attr.voipParticipantBackgroundColor, R.color.white_color
-    )
+    val coroutineScope = contact?.coroutineScope ?: coreContext.coroutineScope
+    coroutineScope.launch {
+        withContext(Dispatchers.Main) {
+            loadContactPictureWithCoil(
+                imageView, contact, false,
+                R.dimen.voip_contact_avatar_max_size, R.dimen.voip_contact_avatar_text_size,
+                R.attr.voipParticipantBackgroundColor, R.color.white_color
+            )
+        }
+    }
 }
 
 @BindingAdapter("coilVoipContact")
 fun loadVoipContactPictureWithCoil(imageView: ImageView, contact: ContactDataInterface?) {
-    loadContactPictureWithCoil(
-        imageView, contact, false,
-        R.dimen.voip_contact_avatar_max_size, R.dimen.voip_contact_avatar_text_size,
-        R.attr.voipBackgroundColor, R.color.white_color
-    )
+    val coroutineScope = contact?.coroutineScope ?: coreContext.coroutineScope
+    coroutineScope.launch {
+        withContext(Dispatchers.Main) {
+            loadContactPictureWithCoil(
+                imageView, contact, false,
+                R.dimen.voip_contact_avatar_max_size, R.dimen.voip_contact_avatar_text_size,
+                R.attr.voipBackgroundColor, R.color.white_color
+            )
+        }
+    }
 }
 
 @BindingAdapter("coilGoneIfError")