Fix QS getting stuck in weird animation during recreate

Don't animate on first state change in QS, no reason to animate on
bootup or recreate.

Test: runtest systemui
Change-Id: Ib1ceddd708fdc922224b57dbfe12d2f9a76fcee3
Fixes: 35116271
(cherry picked from commit 2da4619b12a4c65a645534079057e7d2bb0bae21)
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java
index 5be1ec6..a567f6b 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java
@@ -84,8 +84,10 @@
 
     protected void updateIcon(ImageView iv, State state) {
         if (!Objects.equals(state.icon, iv.getTag(R.id.qs_icon_tag))) {
+            boolean shouldAnimate = iv.isShown() && mAnimationEnabled
+                    && iv.getDrawable() != null;
             Drawable d = state.icon != null
-                    ? iv.isShown() && mAnimationEnabled ? state.icon.getDrawable(mContext)
+                    ? shouldAnimate ? state.icon.getDrawable(mContext)
                     : state.icon.getInvisibleDrawable(mContext) : null;
             int padding = state.icon != null ? state.icon.getPadding() : 0;
             if (d != null) {
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java
new file mode 100644
index 0000000..bb4571c
--- /dev/null
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/tileimpl/QSIconViewImplTest.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2017 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.qs.tileimpl;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.graphics.drawable.Drawable;
+import android.testing.AndroidTestingRunner;
+import android.testing.UiThreadTest;
+import android.widget.ImageView;
+
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.plugins.qs.QSTile.Icon;
+import com.android.systemui.plugins.qs.QSTile.State;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidTestingRunner.class)
+@UiThreadTest
+public class QSIconViewImplTest extends SysuiTestCase {
+
+    private QSIconViewImpl mIconView;
+
+    @Before
+    public void setup() {
+        mIconView = new QSIconViewImpl(mContext);
+    }
+
+    @Test
+    public void testNoFirstAnimation() {
+        ImageView iv = mock(ImageView.class);
+        State s = new State();
+        when(iv.isShown()).thenReturn(true);
+
+        // No current icon, only the static drawable should be used.
+        s.icon = mock(Icon.class);
+        when(iv.getDrawable()).thenReturn(null);
+        mIconView.updateIcon(iv, s);
+        verify(s.icon, never()).getDrawable(any());
+        verify(s.icon).getInvisibleDrawable(any());
+
+        // Has icon, should use the standard (animated) form.
+        s.icon = mock(Icon.class);
+        when(iv.getDrawable()).thenReturn(mock(Drawable.class));
+        mIconView.updateIcon(iv, s);
+        verify(s.icon).getDrawable(any());
+        verify(s.icon, never()).getInvisibleDrawable(any());
+    }
+}