Add the preference controller to control accessibility button preview preference

* Create FloatingMenuLayerDrawable class to handle the preview layer drawable cherry picked from commit 603014760f Bug: 173940869 Test: atest AccessibilityButtonPreviewPreferenceControllerTest FloatingMenuLayerDrawableTest Change-Id: Ia3d030547b377e87c505b2310f559f7f3876ecd5 Merged-In: Ia3d030547b377e87c505b2310f559f7f3876ecd5
2021-02-18 04:01:01 +08:00
parent c72fe39597
commit eb2411db9d
11 changed files with 693 additions and 0 deletions
--- a/tests/robotests/src/com/android/settings/accessibility/FloatingMenuLayerDrawableTest.java
+++ b/tests/robotests/src/com/android/settings/accessibility/FloatingMenuLayerDrawableTest.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2021 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.settings.accessibility;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+
+/** Tests for {@link FloatingMenuLayerDrawable}. */
+@RunWith(RobolectricTestRunner.class)
+public class FloatingMenuLayerDrawableTest {
+
+    private static final int TEST_RES_ID =
+            com.android.internal.R.drawable.ic_accessibility_magnification;
+    private static final int TEST_RES_ID_2 =
+            com.android.internal.R.drawable.ic_accessibility_color_inversion;
+    private final Context mContext = ApplicationProvider.getApplicationContext();
+
+    @Test
+    public void createLayerDrawable_configCorrect() {
+        final Drawable expected1stDrawable = mContext.getDrawable(
+                R.drawable.accessibility_button_preview_base);
+        final Drawable expected2ndDrawable = mContext.getDrawable(TEST_RES_ID);
+
+        final FloatingMenuLayerDrawable actualDrawable =
+                FloatingMenuLayerDrawable.createLayerDrawable(mContext, TEST_RES_ID,
+                        /* opacity= */ 27);
+
+        final Drawable actual1stDrawable = actualDrawable.getDrawable(0);
+        final Drawable actual2ndDrawable = actualDrawable.getDrawable(1);
+        // These are VectorDrawables, so it can use getConstantState() to compare.
+        assertThat(actual1stDrawable.getConstantState()).isEqualTo(
+                expected1stDrawable.getConstantState());
+        assertThat(actual2ndDrawable.getConstantState()).isEqualTo(
+                expected2ndDrawable.getConstantState());
+    }
+
+    @Test
+    public void updateLayerDrawable_expectedFloatingMenuLayerDrawableState() {
+        final FloatingMenuLayerDrawable originalDrawable =
+                FloatingMenuLayerDrawable.createLayerDrawable(mContext, TEST_RES_ID, /* opacity= */
+                        72);
+
+        originalDrawable.updateLayerDrawable(mContext, TEST_RES_ID_2, /* opacity= */ 27);
+
+        assertThat(originalDrawable.getConstantState()).isEqualTo(
+                new FloatingMenuLayerDrawable.FloatingMenuLayerDrawableState(mContext,
+                        TEST_RES_ID_2, /* opacity= */ 27));
+    }
+}