| /* |
| * 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 android.server.wm; |
| |
| import static android.server.wm.EnsureBarContrastTest.TestActivity.EXTRA_ENSURE_CONTRAST; |
| import static android.server.wm.EnsureBarContrastTest.TestActivity.EXTRA_LIGHT_BARS; |
| import static android.server.wm.EnsureBarContrastTest.TestActivity.backgroundForBar; |
| import static android.view.ViewGroup.LayoutParams.MATCH_PARENT; |
| |
| import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation; |
| |
| import android.app.Activity; |
| import android.content.Intent; |
| import android.graphics.Bitmap; |
| import android.graphics.Color; |
| import android.graphics.Insets; |
| import android.graphics.Rect; |
| import android.graphics.drawable.ColorDrawable; |
| import android.os.Bundle; |
| import android.platform.test.annotations.Presubmit; |
| import android.util.SparseIntArray; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.WindowInsets; |
| |
| import androidx.test.filters.FlakyTest; |
| import androidx.test.rule.ActivityTestRule; |
| |
| import com.android.compatibility.common.util.PollingCheck; |
| |
| import org.hamcrest.CustomTypeSafeMatcher; |
| import org.hamcrest.Description; |
| import org.hamcrest.Matcher; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ErrorCollector; |
| import org.junit.rules.RuleChain; |
| |
| import java.util.function.Supplier; |
| |
| /** |
| * Tests for Window's setEnsureStatusBarContrastWhenTransparent and |
| * setEnsureNavigationBarContrastWhenTransparent. |
| */ |
| @Presubmit |
| public class EnsureBarContrastTest { |
| |
| private final ErrorCollector mErrorCollector = new ErrorCollector(); |
| private final DumpOnFailure mDumper = new DumpOnFailure(); |
| private final ActivityTestRule<TestActivity> mTestActivity = |
| new ActivityTestRule<>(TestActivity.class, false /* initialTouchMode */, |
| false /* launchActivity */); |
| |
| @Rule |
| public final RuleChain mRuleChain = RuleChain |
| .outerRule(mDumper) |
| .around(mErrorCollector) |
| .around(mTestActivity); |
| |
| @Test |
| public void test_ensureContrast_darkBars() { |
| final boolean lightBars = false; |
| runTestEnsureContrast(lightBars); |
| } |
| |
| @Test |
| public void test_ensureContrast_lightBars() { |
| final boolean lightBars = true; |
| runTestEnsureContrast(lightBars); |
| } |
| |
| public void runTestEnsureContrast(boolean lightBars) { |
| TestActivity activity = launchAndWait(mTestActivity, lightBars, true /* ensureContrast */); |
| for (Bar bar : Bar.BARS) { |
| Bitmap bitmap = getOnMainSync(() -> activity.screenshotBar(bar, mDumper)); |
| |
| if (getOnMainSync(() -> activity.barIsTapThrough(bar))) { |
| assertThat(bar.name + "Bar is tap through, therefore must NOT be scrimmed.", bitmap, |
| hasNoScrim(lightBars)); |
| } else { |
| // Bar is NOT tap through, may therefore have a scrim. |
| } |
| assertThat(bar.name + "Bar: Ensure contrast was requested, therefore contrast " + |
| "must be ensured", bitmap, hasContrast(lightBars)); |
| } |
| } |
| |
| @Test |
| public void test_dontEnsureContrast_darkBars() { |
| final boolean lightBars = false; |
| runTestDontEnsureContrast(lightBars); |
| } |
| |
| @Test |
| public void test_dontEnsureContrast_lightBars() { |
| final boolean lightBars = true; |
| runTestDontEnsureContrast(lightBars); |
| } |
| |
| public void runTestDontEnsureContrast(boolean lightBars) { |
| TestActivity activity = launchAndWait(mTestActivity, lightBars, false /* ensureContrast */); |
| for (Bar bar : Bar.BARS) { |
| Bitmap bitmap = getOnMainSync(() -> activity.screenshotBar(bar, mDumper)); |
| |
| assertThat(bar.name + "Bar: contrast NOT requested, therefore must NOT be scrimmed.", |
| bitmap, hasNoScrim(lightBars)); |
| } |
| } |
| |
| private static Matcher<Bitmap> hasNoScrim(boolean light) { |
| return new CustomTypeSafeMatcher<Bitmap>( |
| "must not have a " + (light ? "light" : "dark") + " scrim") { |
| @Override |
| protected boolean matchesSafely(Bitmap actual) { |
| int mostFrequentColor = getMostFrequentColor(actual); |
| return mostFrequentColor == expectedMostFrequentColor(); |
| } |
| |
| @Override |
| protected void describeMismatchSafely(Bitmap item, Description mismatchDescription) { |
| super.describeMismatchSafely(item, mismatchDescription); |
| mismatchDescription.appendText(" mostFrequentColor: expected #" + |
| Integer.toHexString(expectedMostFrequentColor()) + ", but was #" + |
| Integer.toHexString(getMostFrequentColor(item))); |
| } |
| |
| private int expectedMostFrequentColor() { |
| return backgroundForBar(light); |
| } |
| }; |
| } |
| |
| private static Matcher<Bitmap> hasContrast(boolean light) { |
| return new CustomTypeSafeMatcher<Bitmap>( |
| (light ? "light" : "dark") + " bar must have contrast") { |
| @Override |
| protected boolean matchesSafely(Bitmap actual) { |
| int[] ps = getPixels(actual); |
| int bg = backgroundForBar(light); |
| |
| for (int p : ps) { |
| if (!sameColor(p, bg)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| protected void describeMismatchSafely(Bitmap item, Description mismatchDescription) { |
| super.describeMismatchSafely(item, mismatchDescription); |
| mismatchDescription.appendText(" expected some color different from " + |
| backgroundForBar(light)); |
| } |
| }; |
| } |
| |
| private static int[] getPixels(Bitmap bitmap) { |
| int[] pixels = new int[bitmap.getHeight() * bitmap.getWidth()]; |
| bitmap.getPixels(pixels, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight()); |
| return pixels; |
| } |
| |
| private static int getMostFrequentColor(Bitmap bitmap) { |
| final int[] ps = getPixels(bitmap); |
| final SparseIntArray count = new SparseIntArray(); |
| for (int p : ps) { |
| count.put(p, count.get(p) + 1); |
| } |
| int max = 0; |
| for (int i = 0; i < count.size(); i++) { |
| if (count.valueAt(i) > count.valueAt(max)) { |
| max = i; |
| } |
| } |
| return count.keyAt(max); |
| } |
| |
| private <T> void assertThat(String reason, T actual, Matcher<? super T> matcher) { |
| mErrorCollector.checkThat(reason, actual, matcher); |
| } |
| |
| private <R> R getOnMainSync(Supplier<R> f) { |
| final Object[] result = new Object[1]; |
| runOnMainSync(() -> result[0] = f.get()); |
| //noinspection unchecked |
| return (R) result[0]; |
| } |
| |
| private void runOnMainSync(Runnable runnable) { |
| getInstrumentation().runOnMainSync(runnable); |
| } |
| |
| private <T extends TestActivity> T launchAndWait(ActivityTestRule<T> rule, boolean lightBars, |
| boolean ensureContrast) { |
| final T activity = rule.launchActivity(new Intent() |
| .putExtra(EXTRA_LIGHT_BARS, lightBars) |
| .putExtra(EXTRA_ENSURE_CONTRAST, ensureContrast)); |
| PollingCheck.waitFor(activity::isReady); |
| activity.onEnterAnimationComplete(); |
| return activity; |
| } |
| |
| private static boolean sameColor(int a, int b) { |
| return Math.abs(Color.alpha(a) - Color.alpha(b)) + |
| Math.abs(Color.red(a) - Color.red(b)) + |
| Math.abs(Color.green(a) - Color.green(b)) + |
| Math.abs(Color.blue(a) - Color.blue(b)) < 10; |
| } |
| |
| public static class TestActivity extends Activity { |
| |
| static final String EXTRA_LIGHT_BARS = "extra.light_bars"; |
| static final String EXTRA_ENSURE_CONTRAST = "extra.ensure_contrast"; |
| |
| private boolean mReady = false; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| View view = new View(this); |
| view.setLayoutParams(new ViewGroup.LayoutParams(MATCH_PARENT, MATCH_PARENT)); |
| |
| if (getIntent() != null) { |
| boolean lightBars = getIntent().getBooleanExtra(EXTRA_LIGHT_BARS, false); |
| boolean ensureContrast = getIntent().getBooleanExtra(EXTRA_ENSURE_CONTRAST, false); |
| |
| // Install the decor |
| getWindow().getDecorView(); |
| |
| getWindow().setStatusBarContrastEnforced(ensureContrast); |
| getWindow().setNavigationBarContrastEnforced(ensureContrast); |
| |
| getWindow().setStatusBarColor(Color.TRANSPARENT); |
| getWindow().setNavigationBarColor(Color.TRANSPARENT); |
| getWindow().setBackgroundDrawable(new ColorDrawable(backgroundForBar(lightBars))); |
| |
| view.setSystemUiVisibility(lightBars ? (View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR |
| | View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR) : 0); |
| } |
| setContentView(view); |
| } |
| |
| @Override |
| public void onEnterAnimationComplete() { |
| super.onEnterAnimationComplete(); |
| mReady = true; |
| } |
| |
| public boolean isReady() { |
| return mReady && hasWindowFocus(); |
| } |
| |
| static int backgroundForBar(boolean lightBar) { |
| return lightBar ? Color.BLACK : Color.WHITE; |
| } |
| |
| boolean barIsTapThrough(Bar bar) { |
| final WindowInsets insets = getWindow().getDecorView().getRootWindowInsets(); |
| |
| return bar.getInset(insets.getTappableElementInsets()) |
| < bar.getInset(insets.getSystemWindowInsets()); |
| } |
| |
| Bitmap screenshotBar(Bar bar, DumpOnFailure dumper) { |
| final View dv = getWindow().getDecorView(); |
| final Insets insets = dv.getRootWindowInsets().getSystemWindowInsets(); |
| |
| Rect r = bar.getLocation(insets, |
| new Rect(dv.getLeft(), dv.getTop(), dv.getRight(), dv.getBottom())); |
| |
| Bitmap fullBitmap = getInstrumentation().getUiAutomation().takeScreenshot(); |
| dumper.dumpOnFailure("full" + bar.name, fullBitmap); |
| Bitmap barBitmap = Bitmap.createBitmap(fullBitmap, r.left, r.top, r.width(), |
| r.height()); |
| dumper.dumpOnFailure("bar" + bar.name, barBitmap); |
| return barBitmap; |
| } |
| } |
| |
| abstract static class Bar { |
| |
| static final Bar STATUS = new Bar("Status") { |
| @Override |
| int getInset(Insets insets) { |
| return insets.top; |
| } |
| |
| @Override |
| Rect getLocation(Insets insets, Rect screen) { |
| final Rect r = new Rect(screen); |
| r.bottom = r.top + getInset(insets); |
| return r; |
| } |
| }; |
| |
| static final Bar NAVIGATION = new Bar("Navigation") { |
| @Override |
| int getInset(Insets insets) { |
| return insets.bottom; |
| } |
| |
| @Override |
| Rect getLocation(Insets insets, Rect screen) { |
| final Rect r = new Rect(screen); |
| r.top = r.bottom - getInset(insets); |
| return r; |
| } |
| }; |
| |
| static final Bar[] BARS = {STATUS, NAVIGATION}; |
| |
| final String name; |
| |
| public Bar(String name) { |
| this.name = name; |
| } |
| |
| abstract int getInset(Insets insets); |
| |
| abstract Rect getLocation(Insets insets, Rect screen); |
| } |
| } |