Attempt to fix custom emoji freeze bug

app/src/main/java/com/keylesspalace/tusky/view/CustomEmojiTextView.kt

@@ -0,0 +1,60 @@
+package com.keylesspalace.tusky.view
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.os.Build
+import android.text.Layout
+import android.text.Spannable
+import android.util.AttributeSet
+import android.util.Log
+import androidx.emoji.widget.EmojiAppCompatTextView
+import com.keylesspalace.tusky.R
+import com.keylesspalace.tusky.entity.Emoji
+import com.keylesspalace.tusky.util.EmojiSpan
+import com.keylesspalace.tusky.util.LinkHelper
+import com.keylesspalace.tusky.util.emojify
+
+/*
+ * This is a TextView that changes break strategy to simple
+ * if there is too much custom emojis
+ *
+ * Fixes Android performance bug
+ */
+
+class CustomEmojiTextView
+@JvmOverloads constructor(context:Context,
+                          attrs: AttributeSet? = null,
+                          defStyleAttr: Int = 0
+): EmojiAppCompatTextView(context, attrs, defStyleAttr) {
+    private var oldBreakStrategy = 1 // Layout.BREAK_STRATEGY_HIGH_QUALITY
+
+    @SuppressLint("WrongConstant")
+    override fun setText(text: CharSequence?, type: BufferType?) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            var overridden = false
+
+            // don't change if break strategy already simple
+            if(text is Spannable && breakStrategy != Layout.BREAK_STRATEGY_SIMPLE) {
+                val spans = text.getSpans(0, text.length, EmojiSpan::class.java)
+
+                if (spans.size >= SPAN_LIMIT) {
+                    oldBreakStrategy = breakStrategy
+                    breakStrategy = Layout.BREAK_STRATEGY_SIMPLE
+                    overridden = true
+
+                    Log.d("CustomEmojiTextView", "break strategy overriden!");
+                }
+            }
+
+            if(!overridden)
+                breakStrategy = oldBreakStrategy
+        }
+
+        super.setText(text, type)
+    }
+
+    companion object {
+        const val SPAN_LIMIT = 100 // heuristics
+    }
+}
+

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

@@ -87,13 +87,14 @@
         app:layout_constraintBaseline_toBaselineOf="@id/status_display_name"
         tools:text="13:37" />
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/status_content"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginTop="8dp"
         android:focusable="true"
         android:hyphenationFrequency="full"
+        android:breakStrategy="high_quality"
         android:importantForAccessibility="no"
         android:lineSpacingMultiplier="1.1"
         android:textColor="?android:textColorPrimary"

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

@@ -124,7 +124,7 @@
         app:layout_constrainedHeight="true"
         tools:text="13:37" />
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/status_content_warning_description"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
@@ -159,7 +159,7 @@
         tools:text="@string/status_content_warning_show_more"
         tools:visibility="visible" />
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/status_content"
         android:layout_width="0dp"
         android:layout_height="wrap_content"

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

@@ -46,13 +46,14 @@
                 tools:ignore="ContentDescription" />
         </FrameLayout>
 
-        <androidx.emoji.widget.EmojiTextView
+        <com.keylesspalace.tusky.view.CustomEmojiTextView
             android:id="@+id/content"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:paddingTop="@dimen/chat_message_v_padding"
             android:textColor="@color/textColorPrimary"
             android:textSize="?attr/status_text_large"
+            android:breakStrategy="simple"
             android:paddingStart="@dimen/chat_message_h_padding"
             android:paddingEnd="50dp"
             android:paddingBottom="@dimen/chat_message_v_padding"

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

@@ -14,7 +14,7 @@
         android:orientation="vertical"
         app:layout_constraintGuide_begin="8dp" />
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/statusContentWarningDescription"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
@@ -49,7 +49,7 @@
         tools:text="@string/status_content_warning_show_more"
         tools:visibility="visible" />
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/statusContent"
         android:layout_width="0dp"
         android:layout_height="wrap_content"

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

@@ -131,11 +131,12 @@
         app:layout_constraintTop_toBottomOf="@+id/status_display_name"
         tools:text="Reply to a1batross" />
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/status_content_warning_description"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:hyphenationFrequency="full"
+        android:breakStrategy="high_quality"
         android:importantForAccessibility="no"
         android:lineSpacingMultiplier="1.1"
         android:textColor="?android:textColorPrimary"
@@ -171,13 +172,14 @@
         tools:text="@string/status_content_warning_show_more"
         tools:visibility="visible" />
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/status_content"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:layout_marginTop="8dp"
         android:focusable="true"
         android:hyphenationFrequency="full"
+        android:breakStrategy="high_quality"
         android:importantForAccessibility="no"
         android:lineSpacingMultiplier="1.1"
         android:textColor="?android:textColorPrimary"

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

@@ -95,12 +95,13 @@
         app:layout_constraintTop_toBottomOf="@+id/status_avatar"
         tools:text="Reply to a1batross" />
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/status_content_warning_description"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginTop="8dp"
         android:hyphenationFrequency="full"
+        android:breakStrategy="high_quality"
         android:importantForAccessibility="no"
         android:lineSpacingMultiplier="1.1"
         android:textColor="?android:textColorPrimary"
@@ -129,7 +130,7 @@
         app:layout_constraintTop_toBottomOf="@+id/status_content_warning_description"
         tools:text="@string/status_content_warning_show_more" />
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/status_content"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
@@ -137,6 +138,7 @@
         android:layout_marginBottom="4dp"
         android:focusable="true"
         android:hyphenationFrequency="full"
+        android:breakStrategy="high_quality"
         android:importantForAccessibility="no"
         android:lineSpacingMultiplier="1.1"
         android:textColor="?android:textColorPrimary"

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

@@ -72,13 +72,14 @@
 
     </RelativeLayout>
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/notification_content_warning_description"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_below="@id/status_name_bar"
         android:layout_toEndOf="@id/notification_status_avatar"
         android:hyphenationFrequency="full"
+        android:breakStrategy="high_quality"
         android:lineSpacingMultiplier="1.1"
         android:textColor="?android:textColorTertiary"
         android:textSize="?attr/status_text_medium"
@@ -103,13 +104,14 @@
         style="@style/TuskyButton.Outlined"
         android:textSize="?attr/status_text_medium" />
 
-    <androidx.emoji.widget.EmojiTextView
+    <com.keylesspalace.tusky.view.CustomEmojiTextView
         android:id="@+id/notification_content"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_below="@id/notification_content_warning_button"
         android:layout_toEndOf="@+id/notification_status_avatar"
         android:hyphenationFrequency="full"
+        android:breakStrategy="high_quality"
         android:lineSpacingMultiplier="1.1"
         android:paddingBottom="10dp"
         android:textColor="?android:textColorTertiary"

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

@@ -46,13 +46,14 @@
                 tools:ignore="ContentDescription" />
         </FrameLayout>
 
-        <androidx.emoji.widget.EmojiTextView
+        <com.keylesspalace.tusky.view.CustomEmojiTextView
             android:id="@+id/content"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:paddingTop="@dimen/chat_message_v_padding"
             android:textColor="@color/textColorPrimary"
             android:textSize="?attr/status_text_large"
+            android:breakStrategy="simple"
             android:paddingStart="@dimen/chat_message_h_padding"
             android:paddingEnd="50dp"
             android:paddingBottom="@dimen/chat_message_v_padding"