Remove unused qs_peek_height, redundant height method

Seems to be always 0. Removing as I am aiming to refactor calls from NPVC

Bug: 287644451
Test: atest SystemUITests
Change-Id: I295a7421cfdbee5e9fa55cf3f7c231f624f38c07

packages/SystemUI/res/values/dimens.xml

@@ -663,9 +663,6 @@
 
     <dimen name="restricted_padlock_pading">4dp</dimen>
 
-    <!-- How far the expanded QS panel peeks from the header in collapsed state. -->
-    <dimen name="qs_peek_height">0dp</dimen>
-
     <!-- Padding between subtitles and the following text in the QSFooter dialog -->
     <dimen name="qs_footer_dialog_subtitle_padding">20dp</dimen>
 

packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java

@@ -1473,7 +1473,7 @@ public final class NotificationPanelViewController implements ShadeSurface, Dump
                 // so we should not add a padding for them
                 stackScrollerPadding = 0;
             } else {
-                stackScrollerPadding = mQsController.getUnlockedStackScrollerPadding();
+                stackScrollerPadding = mQsController.getHeaderHeight();
             }
         } else {
             stackScrollerPadding = mClockPositionResult.stackScrollerPaddingExpanded;
@@ -1520,7 +1520,7 @@ public final class NotificationPanelViewController implements ShadeSurface, Dump
                 userSwitcherPreferredY,
                 darkAmount, mOverStretchAmount,
                 bypassEnabled,
-                mQsController.getUnlockedStackScrollerPadding(),
+                mQsController.getHeaderHeight(),
                 mQsController.computeExpansionFraction(),
                 mDisplayTopInset,
                 mSplitShadeEnabled,

packages/SystemUI/src/com/android/systemui/shade/QuickSettingsController.java

@@ -233,7 +233,6 @@ public class QuickSettingsController implements Dumpable {
     private int mMaxExpansionHeight;
     /** Expansion fraction of the notification shade */
     private float mShadeExpandedFraction;
-    private int mPeekHeight;
     private float mLastOverscroll;
     private boolean mExpansionFromOverscroll;
     private boolean mExpansionEnabledPolicy = true;
@@ -429,7 +428,6 @@ public class QuickSettingsController implements Dumpable {
         final ViewConfiguration configuration = ViewConfiguration.get(this.mPanelView.getContext());
         mTouchSlop = configuration.getScaledTouchSlop();
         mSlopMultiplier = configuration.getScaledAmbiguousGestureMultiplier();
-        mPeekHeight = mResources.getDimensionPixelSize(R.dimen.qs_peek_height);
         mStatusBarMinHeight = SystemBarUtils.getStatusBarHeight(mPanelView.getContext());
         mScrimCornerRadius = mResources.getDimensionPixelSize(
                 R.dimen.notification_scrim_corner_radius);
@@ -500,12 +498,7 @@ public class QuickSettingsController implements Dumpable {
     }
 
     int getHeaderHeight() {
-        return mQs.getHeader().getHeight();
-    }
-
-    /** Returns the padding of the stackscroller when unlocked */
-    int getUnlockedStackScrollerPadding() {
-        return (mQs != null ? mQs.getHeader().getHeight() : 0) + mPeekHeight;
+        return isQsFragmentCreated() ? mQs.getHeader().getHeight() : 0;
     }
 
     private boolean isRemoteInputActiveWithKeyboardUp() {
@@ -2090,8 +2083,6 @@ public class QuickSettingsController implements Dumpable {
         ipw.println(mMaxExpansionHeight);
         ipw.print("mShadeExpandedFraction=");
         ipw.println(mShadeExpandedFraction);
-        ipw.print("mPeekHeight=");
-        ipw.println(mPeekHeight);
         ipw.print("mLastOverscroll=");
         ipw.println(mLastOverscroll);
         ipw.print("mExpansionFromOverscroll=");