| /* |
| * Copyright (C) 2019 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.internal.policy; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.drawable.Drawable; |
| |
| import androidx.test.platform.app.InstrumentationRegistry; |
| |
| import com.android.frameworks.coretests.R; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.util.Arrays; |
| |
| public class DecorViewTest { |
| |
| private Context mContext; |
| private DecorView mDecorView; |
| |
| @Before |
| public void setUp() { |
| mContext = InstrumentationRegistry.getInstrumentation().getContext(); |
| PhoneWindow phoneWindow = new PhoneWindow(mContext); |
| mDecorView = (DecorView) phoneWindow.getDecorView(); |
| } |
| |
| @Test |
| public void setBackgroundDrawableSameAsSetWindowBackground() { |
| Drawable bitmapDrawable = mContext.getResources() |
| .getDrawable(R.drawable.test16x12, mContext.getTheme()); |
| int w = 16; |
| int h = 12; |
| Bitmap expectedBitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); |
| |
| mDecorView.setWindowBackground(bitmapDrawable); |
| Canvas testCanvas = new Canvas(expectedBitmap); |
| mDecorView.draw(testCanvas); |
| testCanvas.release(); |
| |
| Drawable expectedBackground = mDecorView.getBackground(); |
| |
| mDecorView.setBackgroundDrawable(bitmapDrawable); |
| Bitmap resultBitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); |
| Canvas resCanvas = new Canvas(resultBitmap); |
| mDecorView.draw(resCanvas); |
| resCanvas.release(); |
| |
| // Check that the drawable is the same. |
| assertThat(mDecorView.getBackground()).isEqualTo(expectedBackground); |
| assertThat(mDecorView.getBackground()).isEqualTo(bitmapDrawable); |
| |
| // Check that canvas is the same. |
| int[] expPixels = new int[w * h]; |
| int[] resPixels = new int[w * h]; |
| resultBitmap.getPixels(resPixels, 0, w, 0, 0, w, h); |
| expectedBitmap.getPixels(expPixels, 0, w, 0, 0, w, h); |
| assertThat(Arrays.toString(expPixels)).isEqualTo(Arrays.toString(resPixels)); |
| } |
| |
| @Test |
| public void setBackgroundWithNoWindow() { |
| PhoneWindow phoneWindow = new PhoneWindow(mContext); |
| // Set a theme that defines a non-null value for android:background |
| mContext.setTheme(R.style.ViewDefaultBackground); |
| DecorView decorView = (DecorView) phoneWindow.getDecorView(); |
| assertThat(decorView.getBackground()).isNotNull(); |
| } |
| } |