From a0172ddb2fb331d5207f3b16b7405016ee4205ee Mon Sep 17 00:00:00 2001
From: Alex Hart <alex@signal.org>
Date: Thu, 13 Oct 2022 15:47:33 -0300
Subject: [PATCH] Autoscale story text so all content fits in viewer.

---
 .../securesms/mediasend/v2/text/TextStoryTextWatcher.kt  | 9 +++++++++
 .../thoughtcrime/securesms/sharing/MultiShareArgs.java   | 4 ----
 .../thoughtcrime/securesms/stories/StoryTextPostView.kt  | 6 ------
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/app/src/main/java/org/thoughtcrime/securesms/mediasend/v2/text/TextStoryTextWatcher.kt b/app/src/main/java/org/thoughtcrime/securesms/mediasend/v2/text/TextStoryTextWatcher.kt
index 571c138817..2322dd10d3 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/mediasend/v2/text/TextStoryTextWatcher.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/mediasend/v2/text/TextStoryTextWatcher.kt
@@ -9,6 +9,7 @@ import android.widget.TextView
 import org.signal.core.util.BreakIteratorCompat
 import org.signal.core.util.DimensionUnit
 import org.signal.core.util.EditTextUtil
+import org.thoughtcrime.securesms.util.doOnEachLayout
 
 class TextStoryTextWatcher private constructor(private val textView: TextView) : TextWatcher {
 
@@ -45,6 +46,14 @@ class TextStoryTextWatcher private constructor(private val textView: TextView) :
 
       if (textView is EditText) {
         EditTextUtil.addGraphemeClusterLimitFilter(textView, 700)
+      } else {
+        textView.doOnEachLayout {
+          val contentHeight = textView.height - textView.paddingTop - textView.paddingBottom
+          if (textView.layout != null && textView.layout.height > contentHeight) {
+            val percentShown = contentHeight / textView.layout.height.toFloat()
+            textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, DimensionUnit.DP.toPixels(18f * percentShown))
+          }
+        }
       }
 
       textView.addTextChangedListener(watcher)
diff --git a/app/src/main/java/org/thoughtcrime/securesms/sharing/MultiShareArgs.java b/app/src/main/java/org/thoughtcrime/securesms/sharing/MultiShareArgs.java
index 7caf1f417c..923dbc5191 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/sharing/MultiShareArgs.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/sharing/MultiShareArgs.java
@@ -168,10 +168,6 @@ public final class MultiShareArgs implements Parcelable {
       return false;
     }
 
-    if (!Util.isEmpty(getDraftText()) && getDraftText().split("\n").length > Stories.MAX_TEXT_STORY_LINE_COUNT) {
-      return false;
-    }
-
     if (!Util.isEmpty(getDraftText())) {
       BreakIteratorCompat breakIteratorCompat = BreakIteratorCompat.getInstance();
       breakIteratorCompat.setText(getDraftText());
diff --git a/app/src/main/java/org/thoughtcrime/securesms/stories/StoryTextPostView.kt b/app/src/main/java/org/thoughtcrime/securesms/stories/StoryTextPostView.kt
index 953b42cd73..cda4a9bb08 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/stories/StoryTextPostView.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/stories/StoryTextPostView.kt
@@ -4,11 +4,9 @@ import android.content.Context
 import android.graphics.Typeface
 import android.graphics.drawable.Drawable
 import android.util.AttributeSet
-import android.util.TypedValue
 import android.view.View
 import android.widget.ImageView
 import androidx.annotation.ColorInt
-import androidx.annotation.Px
 import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.graphics.ColorUtils
 import androidx.core.view.doOnNextLayout
@@ -85,10 +83,6 @@ class StoryTextPostView @JvmOverloads constructor(
     textView.text = text
   }
 
-  private fun setTextSize(@Px textSize: Float) {
-    textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, textSize)
-  }
-
   private fun setTextGravity(textAlignment: TextAlignment) {
     textView.gravity = textAlignment.gravity
   }