Android: add onTextLayout listener on the TextView component (#912)

* Android: add `onTextLayout` listener on the TextView component.

This should allow us to use this result for text-based layouts.

* Rename `onTextLayoutChanged` to `onTextLayout` to match Compose `Text` parameter

platforms/android/library-compose/src/main/java/io/element/android/wysiwyg/compose/EditorStyledText.kt

@@ -1,5 +1,6 @@
 package io.element.android.wysiwyg.compose
 
+import android.text.Layout
 import android.text.Spanned
 import android.widget.TextView
 import androidx.compose.runtime.Composable
@@ -34,6 +35,7 @@ fun EditorStyledText(
     resolveMentionDisplay: (text: String, url: String) -> TextDisplay = RichTextEditorDefaults.MentionDisplay,
     resolveRoomMentionDisplay: () -> TextDisplay = RichTextEditorDefaults.RoomMentionDisplay,
     onLinkClickedListener: ((String) -> Unit) = {},
+    onTextLayout: (Layout) -> Unit = {},
     style: RichTextEditorStyle = RichTextEditorDefaults.style(),
 ) {
     val typeface by style.text.rememberTypeface()
@@ -67,6 +69,7 @@ fun EditorStyledText(
                 view.setHtml(text.toString())
             }
             view.onLinkClickedListener = onLinkClickedListener
+            view.onTextLayout = onTextLayout
         }
     )
 }

platforms/android/library/src/main/java/io/element/android/wysiwyg/EditorStyledTextView.kt

@@ -2,8 +2,8 @@ package io.element.android.wysiwyg
 
 import android.content.Context
 import android.graphics.Canvas
+import android.text.Layout
 import android.text.Spanned
-import android.text.style.ClickableSpan
 import android.text.style.URLSpan
 import android.util.AttributeSet
 import android.view.GestureDetector
@@ -21,7 +21,6 @@ import io.element.android.wysiwyg.view.StyleConfig
 import io.element.android.wysiwyg.view.inlinebg.SpanBackgroundHelper
 import io.element.android.wysiwyg.view.inlinebg.SpanBackgroundHelperFactory
 import io.element.android.wysiwyg.view.spans.CustomMentionSpan
-import io.element.android.wysiwyg.view.spans.LinkSpan
 import io.element.android.wysiwyg.view.spans.PillSpan
 import io.element.android.wysiwyg.view.spans.ReuseSourceSpannableFactory
 import uniffi.wysiwyg_composer.MentionDetector
@@ -63,6 +62,8 @@ open class EditorStyledTextView : AppCompatTextView {
 
     var onLinkClickedListener: ((String) -> Unit)? = null
 
+    var onTextLayout: ((Layout) -> Unit)? = null
+
     /**
      * In some contexts, such as screenshot tests, [isInEditMode] is may be forced to be false, when we
      * need it to be true to disable native library loading. With this we can override this behaviour.
@@ -158,6 +159,12 @@ open class EditorStyledTextView : AppCompatTextView {
         htmlConverter?.fromHtmlToSpans(htmlText)?.let { setText(it, BufferType.SPANNABLE) }
     }
 
+    override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec)
+
+        layout?.let { onTextLayout?.invoke(it) }
+    }
+
     override fun onDraw(canvas: Canvas) {
         // need to draw bg first so that text can be on top during super.onDraw()
         if (text is Spanned && layout != null && isInit) {

platforms/android/library/src/main/java/io/element/android/wysiwyg/utils/RustCleanerTask.kt

@@ -1,13 +1,16 @@
 package io.element.android.wysiwyg.utils
 
+import io.element.android.wysiwyg.BuildConfig
 import timber.log.Timber
 import uniffi.wysiwyg_composer.Disposable
 
 internal class RustCleanerTask(
     private val disposable: Disposable,
 ) : Runnable {
     override fun run() {
-        Timber.d("Cleaning up disposable: $disposable")
+        if (BuildConfig.DEBUG) {
+            Timber.d("Cleaning up disposable: $disposable")
+        }
         disposable.destroy()
     }
 }