From 4021284ad681376ab24f7a8d860825073a0e79eb Mon Sep 17 00:00:00 2001
From: Ishan09811 <156402647+Ishan09811@users.noreply.github.com>
Date: Wed, 12 Feb 2025 13:27:37 +0530
Subject: [PATCH 1/3] MaterialToolbar: Implement marquee logic

---
 .../material/appbar/MaterialToolbar.java      | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/lib/java/com/google/android/material/appbar/MaterialToolbar.java b/lib/java/com/google/android/material/appbar/MaterialToolbar.java
index 347c55af0bc..2c60a830346 100644
--- a/lib/java/com/google/android/material/appbar/MaterialToolbar.java
+++ b/lib/java/com/google/android/material/appbar/MaterialToolbar.java
@@ -83,6 +83,7 @@ public class MaterialToolbar extends Toolbar {
   @Nullable private Integer navigationIconTint;
   private boolean titleCentered;
   private boolean subtitleCentered;
+  private boolean titleMarqueeEnabled;
 
   @Nullable private ImageView.ScaleType logoScaleType;
   @Nullable private Boolean logoAdjustViewBounds;
@@ -110,6 +111,7 @@ public MaterialToolbar(@NonNull Context context, @Nullable AttributeSet attrs, i
 
     titleCentered = a.getBoolean(R.styleable.MaterialToolbar_titleCentered, false);
     subtitleCentered = a.getBoolean(R.styleable.MaterialToolbar_subtitleCentered, false);
+    titleMarqueeEnabled = a.getBoolean(R.styleable.MaterialToolbar_titleMarqueeEnabled, false);
 
     final int index = a.getInt(R.styleable.MaterialToolbar_logoScaleType, -1);
     if (index >= 0 && index < LOGO_SCALE_TYPE_ARRAY.length) {
@@ -144,6 +146,7 @@ protected void onLayout(boolean changed, int left, int top, int right, int botto
 
     maybeCenterTitleViews();
     updateLogoImageView();
+    enableMarqueeIfNeeded();
   }
 
   private void maybeCenterTitleViews() {
@@ -228,6 +231,19 @@ private void updateLogoImageView() {
     }
   }
 
+  private void enableMarqueeIfNeeded() {
+      if (!titleMarqueeEnabled) return;
+
+      TextView titleTextView = ToolbarUtils.getTitleTextView(this);
+      if (titleTextView != null) {
+          titleTextView.setEllipsize(android.text.TextUtils.TruncateAt.MARQUEE);
+          titleTextView.setSingleLine(true);
+          titleTextView.setSelected(true);
+          titleTextView.setFocusable(true);
+          titleTextView.setFocusableInTouchMode(true);
+      }
+  }
+
   /**
    * Returns scale type of logo's ImageView
    *
@@ -347,6 +363,24 @@ public boolean isTitleCentered() {
     return titleCentered;
   }
 
+  /**
+   * Sets whether the title text corresponding to the {@link #setTitle(int)} method should be
+   * marquee.
+   */ 
+  public void setTitleMarqueeEnabled(boolean enabled) {
+      this.titleMarqueeEnabled = enabled;
+      requestLayout();
+  }
+
+  /**
+   * Returns whether the title text corresponding to the {@link #setTitle(int)} method is marquee or not.
+   *
+   * @see #setTitleMarqueeEnabled(boolean)
+   */
+  public boolean isTitleMarqueeEnabled() {
+      return titleMarqueeEnabled;
+  }
+
   /**
    * Sets whether the subtitle text corresponding to the {@link #setSubtitle(int)} method should be
    * centered horizontally within the toolbar.

From 234c8261597eff4dbfe40e538f97ced47125d9d9 Mon Sep 17 00:00:00 2001
From: Ishan09811 <156402647+Ishan09811@users.noreply.github.com>
Date: Wed, 12 Feb 2025 13:30:53 +0530
Subject: [PATCH 2/3] public: Add ``titleMarqueeEnabled`` attribute

---
 .../google/android/material/appbar/res-public/values/public.xml  | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/java/com/google/android/material/appbar/res-public/values/public.xml b/lib/java/com/google/android/material/appbar/res-public/values/public.xml
index e2bb35dc985..bf6b05643fc 100644
--- a/lib/java/com/google/android/material/appbar/res-public/values/public.xml
+++ b/lib/java/com/google/android/material/appbar/res-public/values/public.xml
@@ -93,6 +93,7 @@
   <public name="subtitleMaxLines" type="attr"/>
   <public name="titleCentered" type="attr"/>
   <public name="subtitleCentered" type="attr"/>
+  <public name="titleMarqueeEnabled" type="attr"/>
   <public name="titlePositionInterpolator" type="attr"/>
   <public name="logoAdjustViewBounds" type="attr"/>
   <public name="logoScaleType" type="attr"/>

From 9807d04982869bce62548fc518ebc26a40c14df7 Mon Sep 17 00:00:00 2001
From: Ishan09811 <156402647+Ishan09811@users.noreply.github.com>
Date: Mon, 3 Mar 2025 11:45:14 +0530
Subject: [PATCH 3/3] TopAppBar: update docs

---
 docs/components/TopAppBar.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/components/TopAppBar.md b/docs/components/TopAppBar.md
index 7b36fa33703..762c92dc818 100644
--- a/docs/components/TopAppBar.md
+++ b/docs/components/TopAppBar.md
@@ -387,6 +387,7 @@ Element                                                                   | Attr
 **`MaterialToolbar` title typography**                                    | `app:titleTextAppearance`                                                                          | `setTitleTextAppearance`                   | `?attr/textAppearanceTitleLarge`
 **`MaterialToolbar` subtitle typography**                                 | `app:subtitleTextAppearance`                                                                       | `setSubtitleTextAppearance`                | `?attr/textAppearanceTitleMedium`
 **`MaterialToolbar` title centering**                                     | `app:titleCentered`                                                                                | `setTitleCentered`                         | `false`
+**`MaterialToolbar` title marquee**                                     | `app:titleMarqueeEnabled`                                                                                | `setTitleMarqueeEnabled`                         | `false`
 **`MaterialToolbar` subtitle centering**                                  | `app:subtitleCentered`                                                                             | `setSubtitleCentered`                      | `false`
 **`CollapsingToolbarLayout` collapsed title typography**                  | `app:collapsedTitleTextAppearance`                                                                 | `setCollapsedTitleTextAppearance`          | `?attr/textAppearanceTitleLarge`
 **`CollapsingToolbarLayout` expanded title typography**                   | `app:expandedTitleTextAppearance`                                                                  | `setExpandedTitleTextAppearance`           | `?attr/textAppearanceHeadlineSmall` for Medium</br>`?attr/textAppearanceHeadlineMedium` for Large