New avatar placeholder drawable generator.

res/drawable/profile_picture_view_medium_background.xml

@@ -6,6 +6,4 @@
     <solid  android:color="@color/unimportant" />
 
     <corners android:radius="23dp" />
-
-    <stroke android:width="@dimen/profile_picture_border_thickness" android:color="@color/border" />
 </shape>

res/drawable/profile_picture_view_rss_medium_background.xml

@@ -6,6 +6,4 @@
     <solid  android:color="#353535" />
 
     <corners android:radius="23dp" />
-
-    <stroke android:width="@dimen/profile_picture_border_thickness" android:color="@color/border" />
 </shape>

res/drawable/profile_picture_view_small_background.xml

@@ -6,6 +6,4 @@
     <solid  android:color="@color/unimportant" />
 
     <corners android:radius="18dp" />
-
-    <stroke android:width="@dimen/profile_picture_border_thickness" android:color="@color/border" />
 </shape>

res/layout/activity_home.xml

@@ -34,7 +34,8 @@
                     android:layout_height="@dimen/small_profile_picture_size"
                     android:layout_alignParentLeft="true"
                     android:layout_centerVertical="true"
-                    android:layout_marginLeft="9dp" />
+                    android:layout_marginLeft="9dp"
+                    android:foreground="@drawable/circle_touch_highlight_background"/>
 
                 <TextView
                     android:layout_width="wrap_content"

res/layout/activity_settings.xml

@@ -24,7 +24,8 @@
                 android:id="@+id/profilePictureView"
                 android:layout_width="@dimen/large_profile_picture_size"
                 android:layout_height="@dimen/large_profile_picture_size"
-                android:layout_marginTop="@dimen/medium_spacing" />
+                android:layout_marginTop="@dimen/medium_spacing"
+                android:foreground="@drawable/circle_touch_highlight_background" />
 
             <RelativeLayout
                 android:id="@+id/ctnGroupNameSection"

res/layout/view_profile_picture.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="wrap_content"
-    android:layout_height="wrap_content">
+    android:layout_height="wrap_content"
+    xmlns:app="http://schemas.android.com/apk/res-auto">
 
     <RelativeLayout
         android:id="@+id/doubleModeImageViewContainer"
@@ -19,13 +19,9 @@
                 android:id="@+id/doubleModeImageView1"
                 android:layout_width="match_parent"
                 android:layout_height="match_parent"
+                android:alpha="0.65"
                 android:background="@drawable/profile_picture_view_small_background" />
 
-            <View
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:background="@drawable/profile_picture_view_small_foreground" />
-
         </RelativeLayout>
 
         <RelativeLayout
@@ -40,11 +36,6 @@
                 android:layout_height="match_parent"
                 android:background="@drawable/profile_picture_view_small_background" />
 
-            <View
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:background="@drawable/profile_picture_view_small_foreground" />
-
         </RelativeLayout>
 
     </RelativeLayout>
@@ -60,11 +51,6 @@
             android:layout_height="match_parent"
             android:background="@drawable/profile_picture_view_medium_background" />
 
-        <View
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:background="@drawable/profile_picture_view_medium_foreground" />
-
     </RelativeLayout>
 
     <ImageView
@@ -87,11 +73,6 @@
             android:layout_height="match_parent"
             android:background="@drawable/profile_picture_view_large_background" />
 
-        <View
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:background="@drawable/profile_picture_view_large_foreground" />
-
     </RelativeLayout>
 
 </RelativeLayout>

res/values/colors.xml

@@ -107,4 +107,12 @@
     <color name="default_background_start">#121212</color>
     <color name="default_background_end">#171717</color>
 
+    <array name="user_pic_placeholder_primary">
+        <item>#18da80</item>
+        <item>#ee8917</item>
+        <item>#239edf</item>
+        <item>#c33fe9</item>
+        <item>#83b433</item>
+    </array>
+
 </resources>

src/org/thoughtcrime/securesms/conversation/ConversationItem.java

@@ -804,6 +804,7 @@ public class ConversationItem extends LinearLayout
     bodyBubble.setLayoutParams(layoutParams);
     if (profilePictureView == null) return;
     profilePictureView.setPublicKey(recipient.getAddress().toString());
+    profilePictureView.setDisplayName(recipient.getName());
     profilePictureView.setAdditionalPublicKey(null);
     profilePictureView.setRSSFeed(false);
     profilePictureView.setGlide(glideRequests);

src/org/thoughtcrime/securesms/loki/activities/HomeActivity.kt

@@ -1,7 +1,6 @@
 package org.thoughtcrime.securesms.loki.activities
 
 import android.app.AlertDialog
-import androidx.lifecycle.Observer
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
@@ -11,10 +10,6 @@ import android.net.Uri
 import android.os.AsyncTask
 import android.os.Bundle
 import android.os.Handler
-import androidx.loader.app.LoaderManager
-import androidx.loader.content.Loader
-import androidx.localbroadcastmanager.content.LocalBroadcastManager
-import androidx.recyclerview.widget.LinearLayoutManager
 import android.text.Spannable
 import android.text.SpannableString
 import android.text.style.ForegroundColorSpan
@@ -22,6 +17,11 @@ import android.util.DisplayMetrics
 import android.view.View
 import android.widget.RelativeLayout
 import android.widget.Toast
+import androidx.lifecycle.Observer
+import androidx.loader.app.LoaderManager
+import androidx.loader.content.Loader
+import androidx.localbroadcastmanager.content.LocalBroadcastManager
+import androidx.recyclerview.widget.LinearLayoutManager
 import kotlinx.android.synthetic.main.activity_home.*
 import network.loki.messenger.R
 import org.thoughtcrime.securesms.ApplicationContext
@@ -42,14 +42,13 @@ import org.thoughtcrime.securesms.loki.views.NewConversationButtonSetViewDelegat
 import org.thoughtcrime.securesms.loki.views.SeedReminderViewDelegate
 import org.thoughtcrime.securesms.mms.GlideApp
 import org.thoughtcrime.securesms.mms.GlideRequests
-import org.thoughtcrime.securesms.util.GroupUtil
 import org.thoughtcrime.securesms.util.TextSecurePreferences
 import org.thoughtcrime.securesms.util.Util
 import org.whispersystems.signalservice.loki.api.fileserver.FileServerAPI
 import org.whispersystems.signalservice.loki.protocol.mentions.MentionsManager
 import org.whispersystems.signalservice.loki.protocol.meta.SessionMetaProtocol
-import org.whispersystems.signalservice.loki.protocol.shelved.multidevice.MultiDeviceProtocol
 import org.whispersystems.signalservice.loki.protocol.sessionmanagement.SessionManagementProtocol
+import org.whispersystems.signalservice.loki.protocol.shelved.multidevice.MultiDeviceProtocol
 import org.whispersystems.signalservice.loki.protocol.shelved.syncmessages.SyncMessagesProtocol
 import org.whispersystems.signalservice.loki.utilities.toHexString
 
@@ -98,6 +97,7 @@ class HomeActivity : PassphraseRequiredActionBarActivity, ConversationClickListe
         // Set up toolbar buttons
         profileButton.glide = glide
         profileButton.publicKey = publicKey
+        profileButton.displayName = TextSecurePreferences.getProfileName(this)
         profileButton.update()
         profileButton.setOnClickListener { openSettings() }
         pathStatusViewContainer.setOnClickListener { showPath() }

src/org/thoughtcrime/securesms/loki/activities/SettingsActivity.kt

@@ -74,14 +74,17 @@ class SettingsActivity : PassphraseRequiredActionBarActivity() {
 
         setContentView(R.layout.activity_settings)
 
+        val origUserDisplayName = DatabaseFactory.getLokiUserDatabase(this).getDisplayName(hexEncodedPublicKey)
+
         glide = GlideApp.with(this)
         profilePictureView.glide = glide
         profilePictureView.publicKey = hexEncodedPublicKey
+        profilePictureView.displayName = displayNameToBeUploaded
         profilePictureView.isLarge = true
         profilePictureView.update()
         profilePictureView.setOnClickListener { showEditProfilePictureUI() }
         ctnGroupNameSection.setOnClickListener { startActionMode(DisplayNameEditActionModeCallback()) }
-        btnGroupNameDisplay.text = DatabaseFactory.getLokiUserDatabase(this).getDisplayName(hexEncodedPublicKey)
+        btnGroupNameDisplay.text = origUserDisplayName
         publicKeyTextView.text = hexEncodedPublicKey
         copyButton.setOnClickListener { copyPublicKey() }
         shareButton.setOnClickListener { sharePublicKey() }

src/org/thoughtcrime/securesms/loki/todo/AvatarPlaceholderGenerator.kt

@@ -0,0 +1,83 @@
+package org.thoughtcrime.securesms.loki.todo
+
+import android.content.Context
+import android.graphics.*
+import android.graphics.drawable.BitmapDrawable
+import android.text.TextPaint
+import android.text.TextUtils
+import androidx.annotation.ColorInt
+import androidx.core.graphics.ColorUtils
+import network.loki.messenger.R
+import java.util.*
+
+object AvatarPlaceholderGenerator {
+
+    private const val EMPTY_LABEL = "0";
+
+    private val tmpFloatArray = FloatArray(3)
+
+    fun generate(context: Context, pixelSize: Int, hashString: String, displayName: String?): BitmapDrawable {
+        //TODO That should be replaced with a proper hash extraction code.
+        val hash: Long
+        val hexRegex = Regex("^[0-9A-Fa-f]+\$")
+        if (hashString.length >= 12 && hashString.matches(hexRegex)) {
+            hash = hashString.substring(0 until 12).toLong(16)
+        } else {
+            hash = hashString.toLong()
+        }
+
+        // Do not cache color array, it may be different depends on the current theme.
+        val colorArray = context.resources.getIntArray(R.array.user_pic_placeholder_primary)
+        val colorPrimary = colorArray[(hash % colorArray.size).toInt()]
+        val colorSecondary = changeColorHueBy(colorPrimary, 16f)
+
+        val labelText = when {
+            !TextUtils.isEmpty(displayName) -> extractLabel(displayName!!)
+            !TextUtils.isEmpty(hashString) -> extractLabel(hashString)
+            else -> EMPTY_LABEL
+        }
+
+        val bitmap = Bitmap.createBitmap(pixelSize, pixelSize, Bitmap.Config.ARGB_8888)
+        val canvas = Canvas(bitmap)
+
+        // Draw background/frame
+        val paint = Paint()
+        paint.isAntiAlias = true
+        paint.shader = LinearGradient(0f, 0f, 0f, pixelSize.toFloat(),
+                colorPrimary,
+                colorSecondary,
+                Shader.TileMode.REPEAT)
+        canvas.drawCircle(pixelSize.toFloat() / 2, pixelSize.toFloat() / 2, pixelSize.toFloat() / 2, paint)
+
+        // Draw text
+        val textPaint = TextPaint()
+        textPaint.typeface = Typeface.create(Typeface.DEFAULT, Typeface.NORMAL)
+        textPaint.isAntiAlias = true
+        textPaint.textSize = pixelSize * 0.5f
+        textPaint.color = Color.WHITE
+        val areaRect = Rect(0, 0, pixelSize, pixelSize)
+        val textBounds = RectF(areaRect)
+        textBounds.right = textPaint.measureText(labelText)
+        textBounds.bottom = textPaint.descent() - textPaint.ascent()
+        textBounds.left += (areaRect.width() - textBounds.right) * 0.5f
+        textBounds.top += (areaRect.height() - textBounds.bottom) * 0.5f
+        canvas.drawText(labelText, textBounds.left, textBounds.top - textPaint.ascent(), textPaint)
+
+        return BitmapDrawable(context.resources, bitmap)
+    }
+
+    @ColorInt
+    private fun changeColorHueBy(@ColorInt color: Int, hueDelta: Float): Int {
+        val hslColor = tmpFloatArray
+        ColorUtils.colorToHSL(color, hslColor)
+        hslColor[0] = (hslColor[0] + hueDelta) % 360f
+        return ColorUtils.HSLToColor(hslColor)
+    }
+
+    private fun extractLabel(content: String): String {
+        var content = content.trim()
+        if (content.isEmpty()) return EMPTY_LABEL
+
+        return content.first().toString().toUpperCase(Locale.ROOT)
+    }
+}

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

@@ -2,12 +2,14 @@ package org.thoughtcrime.securesms.loki.views
 
 import android.content.Context
 import android.graphics.Typeface
+import android.text.TextUtils
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
 import android.widget.LinearLayout
 import kotlinx.android.synthetic.main.view_conversation.view.*
 import network.loki.messenger.R
+import org.thoughtcrime.securesms.database.DatabaseFactory
 import org.thoughtcrime.securesms.database.model.ThreadRecord
 import org.thoughtcrime.securesms.loki.utilities.MentionManagerUtilities.populateUserPublicKeyCacheIfNeeded
 import org.thoughtcrime.securesms.loki.utilities.MentionUtilities.highlightMentions
@@ -58,22 +60,29 @@ class ConversationView : LinearLayout {
         if (thread.recipient.isGroupRecipient) {
             if ("Session Public Chat" == thread.recipient.name) {
                 profilePictureView.publicKey = ""
+                profilePictureView.displayName = ""
                 profilePictureView.additionalPublicKey = null
                 profilePictureView.isRSSFeed = true
             } else {
-                val users = MentionsManager.shared.userPublicKeyCache[thread.threadId]?.toMutableList() ?: mutableListOf()
+                val userKeys = MentionsManager.shared.userPublicKeyCache[thread.threadId]?.toMutableList() ?: mutableListOf()
-                users.remove(TextSecurePreferences.getLocalNumber(context))
+                userKeys.remove(TextSecurePreferences.getLocalNumber(context))
                 val masterPublicKey = TextSecurePreferences.getMasterHexEncodedPublicKey(context)
                 if (masterPublicKey != null) {
-                    users.remove(masterPublicKey)
+                    userKeys.remove(masterPublicKey)
                 }
-                val randomUsers = users.sorted() // Sort to provide a level of stability
+
-                profilePictureView.publicKey = randomUsers.getOrNull(0) ?: ""
+                val sortedUserKeys = userKeys.sorted() // Sort to provide a level of stability
-                profilePictureView.additionalPublicKey = randomUsers.getOrNull(1) ?: ""
+                val userKey0 = sortedUserKeys.getOrNull(0) ?: ""
+                val userKey1 = sortedUserKeys.getOrNull(1) ?: ""
+                profilePictureView.publicKey = userKey0
+                profilePictureView.displayName = getUserDisplayName(userKey0)
+                profilePictureView.additionalPublicKey = userKey1
+                profilePictureView.additionalDisplayName = getUserDisplayName(userKey1)
                 profilePictureView.isRSSFeed = thread.recipient.name == "Loki News" || thread.recipient.name == "Session Updates"
             }
         } else {
             profilePictureView.publicKey = thread.recipient.address.toString()
+            profilePictureView.displayName = thread.recipient.name
             profilePictureView.additionalPublicKey = null
             profilePictureView.isRSSFeed = false
         }
@@ -103,5 +112,10 @@ class ConversationView : LinearLayout {
             else -> statusIndicatorImageView.setImageResource(R.drawable.ic_circle_check)
         }
     }
+
+    private fun getUserDisplayName(publicKey: String?): String? {
+        if (TextUtils.isEmpty(publicKey)) return null
+        return DatabaseFactory.getLokiUserDatabase(context).getDisplayName(publicKey!!)
+    }
     // endregion
 }

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

@@ -32,6 +32,7 @@ class MentionCandidateView(context: Context, attrs: AttributeSet?, defStyleAttr:
     private fun update() {
         btnGroupNameDisplay.text = mentionCandidate.displayName
         profilePictureView.publicKey = mentionCandidate.publicKey
+        profilePictureView.displayName = mentionCandidate.displayName
         profilePictureView.additionalPublicKey = null
         profilePictureView.isRSSFeed = false
         profilePictureView.glide = glide!!

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

@@ -1,18 +1,18 @@
 package org.thoughtcrime.securesms.loki.views
 
 import android.content.Context
-import androidx.annotation.DimenRes
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.View
 import android.widget.ImageView
 import android.widget.RelativeLayout
+import androidx.annotation.DimenRes
 import com.bumptech.glide.load.engine.DiskCacheStrategy
 import kotlinx.android.synthetic.main.view_profile_picture.view.*
 import network.loki.messenger.R
 import org.thoughtcrime.securesms.contacts.avatars.ProfileContactPhoto
 import org.thoughtcrime.securesms.database.Address
-import org.thoughtcrime.securesms.loki.todo.JazzIdenticonDrawable
+import org.thoughtcrime.securesms.loki.todo.AvatarPlaceholderGenerator
 import org.thoughtcrime.securesms.mms.GlideRequests
 import org.thoughtcrime.securesms.recipients.Recipient
 import org.thoughtcrime.securesms.util.TextSecurePreferences
@@ -22,7 +22,9 @@ import org.thoughtcrime.securesms.util.TextSecurePreferences
 class ProfilePictureView : RelativeLayout {
     lateinit var glide: GlideRequests
     var publicKey: String? = null
+    var displayName: String? = null
     var additionalPublicKey: String? = null
+    var additionalDisplayName: String? = null
     var isRSSFeed = false
     var isLarge = false
 
@@ -58,7 +60,30 @@ class ProfilePictureView : RelativeLayout {
         singleModeImageViewContainer.visibility = if (additionalPublicKey == null && !isRSSFeed && !isLarge) View.VISIBLE else View.INVISIBLE
         largeSingleModeImageViewContainer.visibility = if (additionalPublicKey == null && !isRSSFeed && isLarge) View.VISIBLE else View.INVISIBLE
         rssImageView.visibility = if (isRSSFeed) View.VISIBLE else View.INVISIBLE
-        fun setProfilePictureIfNeeded(imageView: ImageView, hexEncodedPublicKey: String, @DimenRes sizeID: Int) {
+
+        setProfilePictureIfNeeded(
+                doubleModeImageView1,
+                publicKey,
+                displayName,
+                R.dimen.small_profile_picture_size)
+        setProfilePictureIfNeeded(
+                doubleModeImageView2,
+                additionalPublicKey ?: "",
+                additionalDisplayName,
+                R.dimen.small_profile_picture_size)
+        setProfilePictureIfNeeded(
+                singleModeImageView,
+                publicKey,
+                displayName,
+                R.dimen.medium_profile_picture_size)
+        setProfilePictureIfNeeded(
+                largeSingleModeImageView,
+                publicKey,
+                displayName,
+                R.dimen.large_profile_picture_size)
+    }
+
+    private fun setProfilePictureIfNeeded(imageView: ImageView, hexEncodedPublicKey: String, displayName: String?, @DimenRes sizeResId: Int) {
         glide.clear(imageView)
         if (hexEncodedPublicKey.isNotEmpty()) {
             val recipient = Recipient.from(context, Address.fromSerialized(hexEncodedPublicKey), false);
@@ -66,20 +91,20 @@ class ProfilePictureView : RelativeLayout {
             if (signalProfilePicture != null && (signalProfilePicture as? ProfileContactPhoto)?.avatarObject != "0" && (signalProfilePicture as? ProfileContactPhoto)?.avatarObject != "") {
                 glide.load(signalProfilePicture).diskCacheStrategy(DiskCacheStrategy.ALL).circleCrop().into(imageView)
             } else {
-                    val size = resources.getDimensionPixelSize(sizeID)
+                val sizePx = resources.getDimensionPixelSize(sizeResId)
                 val masterHexEncodedPublicKey = TextSecurePreferences.getMasterHexEncodedPublicKey(context)
                 val hepk = if (recipient.isLocalNumber && masterHexEncodedPublicKey != null) masterHexEncodedPublicKey else hexEncodedPublicKey
-                    val jazzIcon = JazzIdenticonDrawable(size, size, hepk)
+//                    val jazzIcon = JazzIdenticonDrawable(size, size, hepk)
-                    glide.load(jazzIcon).diskCacheStrategy(DiskCacheStrategy.ALL).circleCrop().into(imageView)
+                glide.load(AvatarPlaceholderGenerator.generate(
+                        context,
+                        sizePx,
+                        hepk,
+                        displayName
+                )).diskCacheStrategy(DiskCacheStrategy.ALL).circleCrop().into(imageView)
             }
         } else {
             imageView.setImageDrawable(null)
         }
     }
-        setProfilePictureIfNeeded(doubleModeImageView1, publicKey, R.dimen.small_profile_picture_size)
-        setProfilePictureIfNeeded(doubleModeImageView2, additionalPublicKey ?: "", R.dimen.small_profile_picture_size)
-        setProfilePictureIfNeeded(singleModeImageView, publicKey, R.dimen.medium_profile_picture_size)
-        setProfilePictureIfNeeded(largeSingleModeImageView, publicKey, R.dimen.large_profile_picture_size)
-    }
     // endregion
 }

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

@@ -51,6 +51,7 @@ class UserView : LinearLayout {
         if (user.isGroupRecipient) {
             if ("Session Public Chat" == user.name || user.address.isRSSFeed) {
                 profilePictureView.publicKey = ""
+                profilePictureView.displayName = null
                 profilePictureView.additionalPublicKey = null
                 profilePictureView.isRSSFeed = true
             } else {
@@ -58,11 +59,13 @@ class UserView : LinearLayout {
                 val users = MentionsManager.shared.userPublicKeyCache[threadID]?.toList() ?: listOf()
                 val randomUsers = users.sorted() // Sort to provide a level of stability
                 profilePictureView.publicKey = randomUsers.getOrNull(0) ?: ""
+                profilePictureView.displayName = null
                 profilePictureView.additionalPublicKey = randomUsers.getOrNull(1) ?: ""
                 profilePictureView.isRSSFeed = false
             }
         } else {
             profilePictureView.publicKey = address
+            profilePictureView.displayName = null
             profilePictureView.additionalPublicKey = null
             profilePictureView.isRSSFeed = false
         }