Update Task Bar and Split-Screen with new font type.

The change applies new font type to Task Bar and Split-Screen if gsf is enbled.

Bug: b/393610004
Test: Check that the fonts change when gsf is enabled.
Flag: com.android.wm.shell.enable_gsf
Change-Id: I704763dc9aec26aa0a6fe6b95c054c8e563cdc16
diff --git a/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchTaskView.java b/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchTaskView.java
index f80dc90..5f867cd 100644
--- a/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchTaskView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchTaskView.java
@@ -40,6 +40,8 @@
 import com.android.quickstep.util.BorderAnimator;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.recents.model.ThumbnailData;
+import com.android.wm.shell.shared.TypefaceUtils;
+import com.android.wm.shell.shared.TypefaceUtils.FontFamily;
 
 import kotlin.Unit;
 
@@ -108,11 +110,11 @@
 
         TypefaceUtils.setTypeface(
                 mContent.findViewById(R.id.large_text),
-                TypefaceUtils.FONT_FAMILY_HEADLINE_LARGE_EMPHASIZED
+                FontFamily.GSF_HEADLINE_LARGE_EMPHASIZED
         );
         TypefaceUtils.setTypeface(
                 mContent.findViewById(R.id.small_text),
-                TypefaceUtils.FONT_FAMILY_LABEL_LARGE_BASELINE
+                FontFamily.GSF_LABEL_LARGE
         );
 
         Resources resources = mContext.getResources();
diff --git a/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchView.java b/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchView.java
index 336ef48..845e19f 100644
--- a/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchView.java
+++ b/quickstep/src/com/android/launcher3/taskbar/KeyboardQuickSwitchView.java
@@ -58,6 +58,8 @@
 import com.android.quickstep.util.SplitTask;
 import com.android.systemui.shared.recents.model.Task;
 import com.android.systemui.shared.system.InteractionJankMonitorWrapper;
+import com.android.wm.shell.shared.TypefaceUtils;
+import com.android.wm.shell.shared.TypefaceUtils.FontFamily;
 
 import java.util.HashMap;
 import java.util.List;
@@ -189,10 +191,9 @@
             }
         }
 
-
         TypefaceUtils.setTypeface(
                 mNoRecentItemsPane.findViewById(R.id.no_recent_items_text),
-                TypefaceUtils.FONT_FAMILY_LABEL_LARGE_BASELINE);
+                FontFamily.GSF_LABEL_LARGE);
     }
 
     private void registerOnBackInvokedCallback() {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltipController.kt b/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltipController.kt
index 5d1288c..d624413 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltipController.kt
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarEduTooltipController.kt
@@ -52,6 +52,8 @@
 import com.android.launcher3.views.BaseDragLayer
 import com.android.quickstep.util.ContextualSearchInvoker
 import com.android.quickstep.util.LottieAnimationColorUtils
+import com.android.wm.shell.shared.TypefaceUtils
+import com.android.wm.shell.shared.TypefaceUtils.FontFamily
 import java.io.PrintWriter
 
 /** First EDU step for swiping up to show transient Taskbar. */
@@ -164,7 +166,7 @@
         tooltip?.run {
             TypefaceUtils.setTypeface(
                 requireViewById(R.id.taskbar_edu_title),
-                TypefaceUtils.FONT_FAMILY_HEADLINE_SMALL_EMPHASIZED,
+                FontFamily.GSF_HEADLINE_SMALL_EMPHASIZED,
             )
             val swipeAnimation = requireViewById<LottieAnimationView>(R.id.swipe_animation)
             swipeAnimation.supportLightTheme()
@@ -210,19 +212,19 @@
 
             TypefaceUtils.setTypeface(
                 requireViewById(R.id.taskbar_edu_title),
-                TypefaceUtils.FONT_FAMILY_HEADLINE_SMALL_EMPHASIZED,
+                FontFamily.GSF_HEADLINE_SMALL_EMPHASIZED,
             )
             TypefaceUtils.setTypeface(
                 requireViewById(R.id.splitscreen_text),
-                TypefaceUtils.FONT_FAMILY_BODY_MEDIUM_BASELINE,
+                FontFamily.GSF_BODY_MEDIUM,
             )
             TypefaceUtils.setTypeface(
                 requireViewById(R.id.suggestions_text),
-                TypefaceUtils.FONT_FAMILY_BODY_MEDIUM_BASELINE,
+                FontFamily.GSF_BODY_MEDIUM,
             )
             TypefaceUtils.setTypeface(
                 requireViewById(R.id.pinning_text),
-                TypefaceUtils.FONT_FAMILY_BODY_MEDIUM_BASELINE,
+                FontFamily.GSF_BODY_MEDIUM,
             )
 
             // Set up layout parameters.
@@ -275,11 +277,11 @@
             allowTouchDismissal = true
             TypefaceUtils.setTypeface(
                 requireViewById(R.id.taskbar_edu_title),
-                TypefaceUtils.FONT_FAMILY_HEADLINE_SMALL_EMPHASIZED,
+                FontFamily.GSF_HEADLINE_SMALL_EMPHASIZED,
             )
             TypefaceUtils.setTypeface(
                 requireViewById(R.id.pinning_text),
-                TypefaceUtils.FONT_FAMILY_BODY_MEDIUM_BASELINE,
+                FontFamily.GSF_BODY_MEDIUM,
             )
 
             val pinningAnim =
@@ -336,9 +338,9 @@
 
             TypefaceUtils.setTypeface(
                 requireViewById(R.id.taskbar_edu_title),
-                TypefaceUtils.FONT_FAMILY_HEADLINE_SMALL_EMPHASIZED,
+                FontFamily.GSF_HEADLINE_SMALL_EMPHASIZED,
             )
-            TypefaceUtils.setTypeface(eduSubtitle, TypefaceUtils.FONT_FAMILY_BODY_SMALL_BASELINE)
+            TypefaceUtils.setTypeface(eduSubtitle, FontFamily.GSF_BODY_SMALL)
 
             showDisclosureText(eduSubtitle)
             updateLayoutParams<BaseDragLayer.LayoutParams> {
diff --git a/quickstep/src/com/android/launcher3/taskbar/TypefaceUtils.kt b/quickstep/src/com/android/launcher3/taskbar/TypefaceUtils.kt
deleted file mode 100644
index e9c62d1..0000000
--- a/quickstep/src/com/android/launcher3/taskbar/TypefaceUtils.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2025 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.launcher3.taskbar
-
-import android.graphics.Typeface
-import android.widget.TextView
-import com.android.launcher3.Flags
-
-/**
- * Helper util class to set pre-defined typefaces to textviews
- *
- * If the typeface font family is already defined here, you can just reuse it directly. Otherwise,
- * please define it here for future use. You do not need to define the font style. If you need
- * anything other than [Typeface.NORMAL], pass it inline when calling [setTypeface]
- */
-class TypefaceUtils {
-
-    companion object {
-        const val FONT_FAMILY_BODY_SMALL_BASELINE = "variable-body-small"
-        const val FONT_FAMILY_BODY_MEDIUM_BASELINE = "variable-body-medium"
-        const val FONT_FAMILY_BODY_LARGE_BASELINE = "variable-body-large"
-        const val FONT_FAMILY_LABEL_LARGE_BASELINE = "variable-label-large"
-        const val FONT_FAMILY_DISPLAY_SMALL_EMPHASIZED = "variable-display-small-emphasized"
-        const val FONT_FAMILY_DISPLAY_MEDIUM_EMPHASIZED = "variable-display-medium-emphasized"
-        const val FONT_FAMILY_HEADLINE_SMALL_EMPHASIZED = "variable-headline-small-emphasized"
-        const val FONT_FAMILY_HEADLINE_LARGE_EMPHASIZED = "variable-headline-large-emphasized"
-
-        @JvmStatic
-        @JvmOverloads
-        fun setTypeface(
-            textView: TextView?,
-            fontFamilyName: String,
-            fontStyle: Int = Typeface.NORMAL,
-        ) {
-            if (!Flags.expressiveThemeInTaskbarAndNavigation()) return
-            textView?.typeface = Typeface.create(fontFamilyName, fontStyle)
-        }
-    }
-}
diff --git a/quickstep/src/com/android/quickstep/interaction/TutorialController.java b/quickstep/src/com/android/quickstep/interaction/TutorialController.java
index 1e61967..5995ca2 100644
--- a/quickstep/src/com/android/quickstep/interaction/TutorialController.java
+++ b/quickstep/src/com/android/quickstep/interaction/TutorialController.java
@@ -56,11 +56,12 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.AnimatorListeners;
-import com.android.launcher3.taskbar.TypefaceUtils;
 import com.android.launcher3.views.ClipIconView;
 import com.android.quickstep.interaction.EdgeBackGestureHandler.BackGestureAttemptCallback;
 import com.android.quickstep.interaction.NavBarGestureHandler.NavBarGestureAttemptCallback;
 import com.android.systemui.shared.system.QuickStepContract;
+import com.android.wm.shell.shared.TypefaceUtils;
+import com.android.wm.shell.shared.TypefaceUtils.FontFamily;
 
 import com.airbnb.lottie.LottieAnimationView;
 import com.airbnb.lottie.LottieComposition;
@@ -409,7 +410,7 @@
             if (mTutorialFragment.isAtFinalStep()) {
                 TypefaceUtils.setTypeface(
                         mDoneButton,
-                        TypefaceUtils.FONT_FAMILY_LABEL_LARGE_BASELINE
+                        FontFamily.GSF_LABEL_LARGE
                 );
                 showActionButton();
             }
@@ -517,11 +518,11 @@
         TypefaceUtils.setTypeface(
                 mFeedbackTitleView,
                 mTutorialFragment.isLargeScreen()
-                        ? TypefaceUtils.FONT_FAMILY_DISPLAY_MEDIUM_EMPHASIZED
-                        : TypefaceUtils.FONT_FAMILY_DISPLAY_SMALL_EMPHASIZED);
+                        ? FontFamily.GSF_DISPLAY_MEDIUM_EMPHASIZED
+                        : FontFamily.GSF_DISPLAY_SMALL_EMPHASIZED);
         TypefaceUtils.setTypeface(
                 mFeedbackSubtitleView,
-                TypefaceUtils.FONT_FAMILY_BODY_LARGE_BASELINE
+                FontFamily.GSF_BODY_LARGE
         );
     }
 
diff --git a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
index 4a2be2a..5f08209 100644
--- a/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
+++ b/quickstep/src/com/android/quickstep/views/OverviewActionsView.java
@@ -40,6 +40,8 @@
 import com.android.launcher3.util.NavigationMode;
 import com.android.quickstep.TaskOverlayFactory.OverlayUICallbacks;
 import com.android.quickstep.util.LayoutUtils;
+import com.android.wm.shell.shared.TypefaceUtils;
+import com.android.wm.shell.shared.TypefaceUtils.FontFamily;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -157,6 +159,7 @@
         // Currently, the only grouped task action is "save app pairs".
         mActionButtons = findViewById(R.id.action_buttons);
         mSaveAppPairButton = findViewById(R.id.action_save_app_pair);
+        TypefaceUtils.setTypeface(mSaveAppPairButton, FontFamily.GSF_LABEL_LARGE);
         // Initialize a list to hold alphas for mActionButtons and any group action buttons.
         mMultiValueAlphas[ACTIONS_ALPHAS] = new MultiValueAlpha(mActionButtons, NUM_ALPHAS);
         mMultiValueAlphas[GROUP_ACTIONS_ALPHAS] =
diff --git a/quickstep/src/com/android/quickstep/views/SplitInstructionsView.java b/quickstep/src/com/android/quickstep/views/SplitInstructionsView.java
index 0d80f6a..4cf1eae 100644
--- a/quickstep/src/com/android/quickstep/views/SplitInstructionsView.java
+++ b/quickstep/src/com/android/quickstep/views/SplitInstructionsView.java
@@ -39,10 +39,11 @@
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
 import com.android.launcher3.anim.PendingAnimation;
-import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.statemanager.StateManager;
 import com.android.quickstep.util.AnimUtils;
 import com.android.quickstep.util.SplitSelectStateController;
+import com.android.wm.shell.shared.TypefaceUtils;
+import com.android.wm.shell.shared.TypefaceUtils.FontFamily;
 
 /**
  * A rounded rectangular component containing a single TextView.
@@ -129,6 +130,7 @@
         cancelTextView.setVisibility(VISIBLE);
         cancelTextView.setOnClickListener((v) -> exitSplitSelection());
         instructionTextView.setText(R.string.toast_contextual_split_select_app);
+        TypefaceUtils.setTypeface(instructionTextView, FontFamily.GSF_BODY_MEDIUM);
 
         // After layout, expand touch target of cancel button to meet minimum a11y measurements.
         post(() -> {