| Index: content/public/android/javatests/src/org/chromium/content/browser/ContentViewReadbackTest.java
|
| diff --git a/content/public/android/javatests/src/org/chromium/content/browser/ContentViewReadbackTest.java b/content/public/android/javatests/src/org/chromium/content/browser/ContentViewReadbackTest.java
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..79049bff9af696f1ae5d8ad18c8a4d03ddd13ac7
|
| --- /dev/null
|
| +++ b/content/public/android/javatests/src/org/chromium/content/browser/ContentViewReadbackTest.java
|
| @@ -0,0 +1,124 @@
|
| +// Copyright 2014 The Chromium Authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
| +
|
| +package org.chromium.content.browser;
|
| +
|
| +import static org.chromium.base.test.util.ScalableTimeout.scaleTimeout;
|
| +
|
| +import android.graphics.Bitmap;
|
| +import android.graphics.Color;
|
| +import android.graphics.Rect;
|
| +import android.os.SystemClock;
|
| +import android.test.suitebuilder.annotation.SmallTest;
|
| +
|
| +import junit.framework.AssertionFailedError;
|
| +
|
| +import org.chromium.base.ThreadUtils;
|
| +import org.chromium.base.test.util.Feature;
|
| +import org.chromium.base.test.util.UrlUtils;
|
| +import org.chromium.content.browser.ContentReadbackHandler.GetBitmapCallback;
|
| +import org.chromium.content.browser.test.util.Criteria;
|
| +import org.chromium.content.browser.test.util.CriteriaHelper;
|
| +import org.chromium.content_shell_apk.ContentShellTestBase;
|
| +
|
| +import java.util.concurrent.atomic.AtomicBoolean;
|
| +import java.util.concurrent.atomic.AtomicInteger;
|
| +
|
| +/**
|
| + * Tests that we can readback the contents of a ContentView.
|
| + */
|
| +public class ContentViewReadbackTest extends ContentShellTestBase {
|
| +
|
| + private static final int COLOR_THRESHOLD = 8;
|
| + private static final long WAIT_FOR_READBACK_TIMEOUT = scaleTimeout(10000);
|
| +
|
| + @Override
|
| + protected void setUp() throws Exception {
|
| + super.setUp();
|
| + launchContentShellWithUrl(UrlUtils.encodeHtmlDataUri(
|
| + "<html style=\"background: #00f;\"><head><style>body { height: 5000px; }</style>" +
|
| + "</head></html>"));
|
| + assertTrue("Page failed to load", waitForActiveShellToBeDoneLoading());
|
| + }
|
| +
|
| + private static void assertEqualColor(int actual, int expected, int threshold) {
|
| + int deltaR = Math.abs(Color.red(actual) - Color.red(expected));
|
| + int deltaG = Math.abs(Color.green(actual) - Color.green(expected));
|
| + int deltaB = Math.abs(Color.blue(actual) - Color.blue(expected));
|
| + if (deltaR > threshold || deltaG > threshold || deltaB > threshold) {
|
| + throw new AssertionFailedError(
|
| + "Color does not match; expected " + expected + ", got " + actual);
|
| + }
|
| + }
|
| +
|
| + private void assertWaitForYScroll(final int previousYScroll) throws InterruptedException {
|
| + assertTrue(CriteriaHelper.pollForCriteria(new Criteria() {
|
| + @Override
|
| + public boolean isSatisfied() {
|
| + return getContentViewCore().getNativeScrollYForTest() > previousYScroll;
|
| + }
|
| + }));
|
| + }
|
| +
|
| + private void assertWaitForReadback(final AtomicBoolean readbackDone)
|
| + throws InterruptedException {
|
| + assertTrue(CriteriaHelper.pollForCriteria(new Criteria() {
|
| + @Override
|
| + public boolean isSatisfied() {
|
| + return readbackDone.get();
|
| + }
|
| + }, WAIT_FOR_READBACK_TIMEOUT, CriteriaHelper.DEFAULT_POLLING_INTERVAL));
|
| + }
|
| +
|
| + /**
|
| + * Test to make sure the screenshots captured of the ContentView are not blank.
|
| + *
|
| + * @throws InterruptedException
|
| + */
|
| + @SmallTest
|
| + @Feature({"Main"})
|
| + public void testScreenshotIsNotBlank() throws Throwable {
|
| + final AtomicBoolean readbackDone = new AtomicBoolean(false);
|
| + final AtomicInteger color = new AtomicInteger();
|
| +
|
| + // We wait on the fling to make sure that the compositor side has a layer available by the
|
| + // time we reach readback.
|
| + int previousYScroll = getContentViewCore().getNativeScrollYForTest();
|
| + ThreadUtils.runOnUiThreadBlocking(new Runnable() {
|
| + @Override
|
| + public void run() {
|
| + getContentViewCore().flingForTest(SystemClock.uptimeMillis(), 0, 0, 0, -100);
|
| + }
|
| + });
|
| + assertWaitForYScroll(previousYScroll);
|
| +
|
| + runTestOnUiThread(new Runnable() {
|
| + @Override
|
| + public void run() {
|
| + ContentReadbackHandler contentReadbackHandler = new ContentReadbackHandler() {
|
| + @Override
|
| + protected boolean readyForReadback() {
|
| + return true;
|
| + }
|
| + };
|
| +
|
| + GetBitmapCallback callback = new GetBitmapCallback() {
|
| + @Override
|
| + public void onFinishGetBitmap(boolean success, Bitmap bitmap) {
|
| + // Verify a pixel in the center of the screenshot.
|
| + color.set(bitmap.getPixel(bitmap.getWidth() / 2, bitmap.getHeight() / 2));
|
| + readbackDone.set(success);
|
| + }
|
| + };
|
| +
|
| + contentReadbackHandler.initNativeContentReadbackHandler();
|
| + contentReadbackHandler.getContentBitmapAsync(1.0f, new Rect(), getContentViewCore(),
|
| + callback);
|
| + }
|
| + });
|
| + assertWaitForReadback(readbackDone);
|
| +
|
| + assertEqualColor(color.get(), Color.BLUE, COLOR_THRESHOLD);
|
| + }
|
| +}
|
|
|
Chromium Code Reviews
Issue 358513002:
android: Add test for ContentViewCore readback (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master