Merge "Fix padding in QSContainerImpl after re-inflation" into tm-qpr-dev

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

@@ -54,6 +54,7 @@ public class NotificationsQuickSettingsContainer extends ConstraintLayout
     private Consumer<QS> mQSFragmentAttachedListener = qs -> {};
     private QS mQs;
     private View mQSContainer;
+    private int mLastQSPaddingBottom;
 
     @Nullable
     private Consumer<Configuration> mConfigurationChangedListener;
@@ -75,6 +76,10 @@ public class NotificationsQuickSettingsContainer extends ConstraintLayout
         mQs = (QS) fragment;
         mQSFragmentAttachedListener.accept(mQs);
         mQSContainer = mQs.getView().findViewById(R.id.quick_settings_container);
+        // We need to restore the bottom padding as the fragment may have been recreated due to
+        // some special Configuration change, so we apply the last known padding (this will be
+        // correct even if it has changed while the fragment was destroyed and re-created).
+        setQSContainerPaddingBottom(mLastQSPaddingBottom);
     }
 
     @Override
@@ -101,6 +106,7 @@ public class NotificationsQuickSettingsContainer extends ConstraintLayout
     }
 
     public void setQSContainerPaddingBottom(int paddingBottom) {
+        mLastQSPaddingBottom = paddingBottom;
         if (mQSContainer != null) {
             mQSContainer.setPadding(
                     mQSContainer.getPaddingLeft(),

packages/SystemUI/tests/src/com/android/systemui/shade/NotificationsQuickSettingsContainerTest.kt

@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2023 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.systemui.shade
+
+import android.testing.AndroidTestingRunner
+import android.view.View
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.test.filters.SmallTest
+import com.android.systemui.R
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.qs.QSFragment
+import com.android.systemui.util.mockito.whenever
+import com.google.common.truth.Truth.assertThat
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mock
+import org.mockito.MockitoAnnotations
+
+@SmallTest
+@RunWith(AndroidTestingRunner::class)
+class NotificationsQuickSettingsContainerTest : SysuiTestCase() {
+
+    @Mock private lateinit var qsFrame: View
+    @Mock private lateinit var stackScroller: View
+    @Mock private lateinit var keyguardStatusBar: View
+    @Mock private lateinit var qsFragment: QSFragment
+
+    private lateinit var qsView: ViewGroup
+    private lateinit var qsContainer: View
+
+    private lateinit var underTest: NotificationsQuickSettingsContainer
+
+    @Before
+    fun setUp() {
+        MockitoAnnotations.initMocks(this)
+
+        underTest = NotificationsQuickSettingsContainer(context, null)
+
+        setUpViews()
+        underTest.onFinishInflate()
+        underTest.onFragmentViewCreated("QS", qsFragment)
+    }
+
+    @Test
+    fun qsContainerPaddingSetAgainAfterQsRecreated() {
+        val padding = 100
+        underTest.setQSContainerPaddingBottom(padding)
+
+        assertThat(qsContainer.paddingBottom).isEqualTo(padding)
+
+        // We reset the padding before "creating" a new QSFragment
+        qsContainer.setPadding(0, 0, 0, 0)
+        underTest.onFragmentViewCreated("QS", qsFragment)
+
+        assertThat(qsContainer.paddingBottom).isEqualTo(padding)
+    }
+
+    private fun setUpViews() {
+        qsView = FrameLayout(context)
+        qsContainer = View(context)
+        qsContainer.id = R.id.quick_settings_container
+        qsView.addView(qsContainer)
+
+        whenever(qsFrame.findViewById<View>(R.id.qs_frame)).thenReturn(qsFrame)
+        whenever(stackScroller.findViewById<View>(R.id.notification_stack_scroller))
+            .thenReturn(stackScroller)
+        whenever(keyguardStatusBar.findViewById<View>(R.id.keyguard_header))
+            .thenReturn(keyguardStatusBar)
+        whenever(qsFragment.view).thenReturn(qsView)
+
+        val layoutParams = ConstraintLayout.LayoutParams(0, 0)
+        whenever(qsFrame.layoutParams).thenReturn(layoutParams)
+        whenever(stackScroller.layoutParams).thenReturn(layoutParams)
+        whenever(keyguardStatusBar.layoutParams).thenReturn(layoutParams)
+
+        underTest.addView(qsFrame)
+        underTest.addView(stackScroller)
+        underTest.addView(keyguardStatusBar)
+    }
+}