chrome/android/javatests/src/org/chromium/chrome/browser/OSKOverscrollTest.java - chromium/src - Git at Google

 // Copyright 2016 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.chrome.browser;

 import android.graphics.Rect;
 import android.support.test.filters.MediumTest;
 import android.test.MoreAsserts;

 import org.junit.Assert;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;

 import org.chromium.base.ThreadUtils;
 import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.RetryOnFailure;
 import org.chromium.base.test.util.UrlUtils;
 import org.chromium.chrome.test.ChromeActivityTestRule;
 import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
 import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
 import org.chromium.content.browser.test.util.DOMUtils;
 import org.chromium.content.browser.test.util.JavaScriptUtils;
 import org.chromium.content_public.browser.WebContents;
 import org.chromium.ui.UiUtils;

 import java.util.Locale;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeoutException;
 import java.util.concurrent.atomic.AtomicReference;


 /**
  * Integration test to ensure that OSK resizes only the visual viewport.
  */

 @RunWith(ChromeJUnit4ClassRunner.class)
 @CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE,
         ChromeActivityTestRule.DISABLE_NETWORK_PREDICTION_FLAG})
 public class OSKOverscrollTest {
     @Rule
     public ChromeActivityTestRule<ChromeActivity> mActivityTestRule =
             new ChromeActivityTestRule<>(ChromeActivity.class);

     private static final String FIXED_FOOTER_PAGE = UrlUtils.encodeHtmlDataUri(""
             + "<html>"
             + "<head>"
             + "  <meta name=\"viewport\" "
             + "    content=\"width=device-width, initial-scale=1.0, maximum-scale=1.0\" />"
             + "  <style>"
             + "    body {"
             + "      height:1500px;"
             + "      margin:0px;"
             + "    }"
             + "    #footer {"
             + "      position:fixed;"
             + "      left:0px;"
             + "      bottom:0px;"
             + "      height:50px;"
             + "      width:100%;"
             + "      background:#FFFF00;"
             + "    }"
             + "  </style>"
             + "</head>"
             + "<body>"
             + "  <form method=\"POST\">"
             + "    <input type=\"text\" id=\"fn\"/><br>"
             + "    <div id=\"footer\"></div>"
             + "  </form>"
             + "</body>"
             + "</html>");

     // We convert CSS pixels into device pixels and compare the viewport size before and after the
     // keyboard show. window.innerHeight returns an integer and the actual height is a floating
     // point. Need some buffer for error.
     private static final int ERROR_EPS_PIX = 1;

     private void waitForKeyboard() {
         // Wait until the keyboard is showing.
         CriteriaHelper.pollUiThread(new Criteria("Keyboard was never shown.") {
             @Override
             public boolean isSatisfied() {
                 return UiUtils.isKeyboardShowing(mActivityTestRule.getActivity(),
                         mActivityTestRule.getActivity()
                                 .getCurrentContentViewCore()
                                 .getContainerView());
             }
         });
     }

     private int getViewportHeight(WebContents webContents) {
         try {
             String jsonText = JavaScriptUtils.executeJavaScriptAndWaitForResult(
                     webContents, "window.visualViewport.height");
             MoreAsserts.assertNotEqual(jsonText.trim().toLowerCase(Locale.US), "null");
             return Integer.parseInt(jsonText);
         } catch (Exception ex) {
             Assert.fail(ex.toString());
         }
         return -1;
     }

     private boolean almostEqual(int a, int b) {
         return Math.abs(a - b) <= ERROR_EPS_PIX;
     }

     /**
      * Verify that OSK show only resizes the visual viewport when the ENABLE_OSK_OVERSCROLL flag is
      * set.
      * @throws InterruptedException
      * @throws TimeoutException
      * @throws ExecutionException
      */
     @Test
     @MediumTest
     @CommandLineFlags.Add({ChromeSwitches.ENABLE_OSK_OVERSCROLL})
     @RetryOnFailure
     public void testOnlyVisualViewportResizes()
             throws InterruptedException, TimeoutException, ExecutionException {
         mActivityTestRule.startMainActivityWithURL(FIXED_FOOTER_PAGE);

         final AtomicReference<ContentViewCore> viewCoreRef = new AtomicReference<ContentViewCore>();
         final AtomicReference<WebContents> webContentsRef = new AtomicReference<WebContents>();
         ThreadUtils.runOnUiThreadBlocking(new Runnable() {
             @Override
             public void run() {
                 viewCoreRef.set(mActivityTestRule.getActivity().getCurrentContentViewCore());
                 webContentsRef.set(viewCoreRef.get().getWebContents());
             }
         });

         DOMUtils.waitForNonZeroNodeBounds(webContentsRef.get(), "fn");

         // Get the position of the footer and the viewport height before bringing up the OSK.
         Rect footerPositionBefore = DOMUtils.getNodeBounds(webContentsRef.get(), "footer");
         final int viewportHeightBeforeCss = getViewportHeight(webContentsRef.get());
         final float cssToDevicePixFactor = viewCoreRef.get().getPageScaleFactor()
                 * viewCoreRef.get().getDeviceScaleFactor();

         // Click on the unfocused input element for the first time to focus on it. This brings up
         // the OSK.
         DOMUtils.clickNode(viewCoreRef.get(), "fn");

         waitForKeyboard();

         // Get the position of the footer after bringing up the OSK. This should be the same as the
         // position before because only the visual viewport should have resized.
         Rect footerPositionAfter = DOMUtils.getNodeBounds(webContentsRef.get(), "footer");
         Assert.assertEquals(footerPositionBefore, footerPositionAfter);

         CriteriaHelper.pollInstrumentationThread(new Criteria() {
             @Override
             public boolean isSatisfied() {
                 // Verify that the size of the viewport before the OSK show is equal to the size of
                 // the viewport after the OSK show plus the size of the keyboard.
                 int viewportHeightAfterCss = getViewportHeight(webContentsRef.get());
                 int keyboardHeight = mActivityTestRule.getActivity()
                                              .getActivityTab()
                                              .getSystemWindowInsetBottom();

                 int priorHeight = (int) (viewportHeightBeforeCss * cssToDevicePixFactor);
                 int afterHeightPlusKeyboard =
                         (int) (viewportHeightAfterCss * cssToDevicePixFactor) + keyboardHeight;
                 updateFailureReason("Values [" + priorHeight + "], [" + afterHeightPlusKeyboard
                         + "] did not match within allowed error range [" + ERROR_EPS_PIX + "]");
                 return almostEqual(priorHeight, afterHeightPlusKeyboard);
             }
         });
     }
 }
	// Copyright 2016 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.chrome.browser;

	import android.graphics.Rect;
	import android.support.test.filters.MediumTest;
	import android.test.MoreAsserts;

	import org.junit.Assert;
	import org.junit.Rule;
	import org.junit.Test;
	import org.junit.runner.RunWith;

	import org.chromium.base.ThreadUtils;
	import org.chromium.base.test.util.CommandLineFlags;
	import org.chromium.base.test.util.RetryOnFailure;
	import org.chromium.base.test.util.UrlUtils;
	import org.chromium.chrome.test.ChromeActivityTestRule;
	import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
	import org.chromium.content.browser.ContentViewCore;
	import org.chromium.content.browser.test.util.Criteria;
	import org.chromium.content.browser.test.util.CriteriaHelper;
	import org.chromium.content.browser.test.util.DOMUtils;
	import org.chromium.content.browser.test.util.JavaScriptUtils;
	import org.chromium.content_public.browser.WebContents;
	import org.chromium.ui.UiUtils;

	import java.util.Locale;
	import java.util.concurrent.ExecutionException;
	import java.util.concurrent.TimeoutException;
	import java.util.concurrent.atomic.AtomicReference;


	/**
	* Integration test to ensure that OSK resizes only the visual viewport.
	*/

	@RunWith(ChromeJUnit4ClassRunner.class)
	@CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE,
	ChromeActivityTestRule.DISABLE_NETWORK_PREDICTION_FLAG})
	public class OSKOverscrollTest {
	@Rule
	public ChromeActivityTestRule<ChromeActivity> mActivityTestRule =
	new ChromeActivityTestRule<>(ChromeActivity.class);

	private static final String FIXED_FOOTER_PAGE = UrlUtils.encodeHtmlDataUri(""
	+ "<html>"
	+ "<head>"
	+ " <meta name=\"viewport\" "
	+ " content=\"width=device-width, initial-scale=1.0, maximum-scale=1.0\" />"
	+ " <style>"
	+ " body {"
	+ " height:1500px;"
	+ " margin:0px;"
	+ " }"
	+ " #footer {"
	+ " position:fixed;"
	+ " left:0px;"
	+ " bottom:0px;"
	+ " height:50px;"
	+ " width:100%;"
	+ " background:#FFFF00;"
	+ " }"
	+ " </style>"
	+ "</head>"
	+ "<body>"
	+ " <form method=\"POST\">"
	+ " <input type=\"text\" id=\"fn\"/><br>"
	+ " <div id=\"footer\"></div>"
	+ " </form>"
	+ "</body>"
	+ "</html>");

	// We convert CSS pixels into device pixels and compare the viewport size before and after the
	// keyboard show. window.innerHeight returns an integer and the actual height is a floating
	// point. Need some buffer for error.
	private static final int ERROR_EPS_PIX = 1;

	private void waitForKeyboard() {
	// Wait until the keyboard is showing.
	CriteriaHelper.pollUiThread(new Criteria("Keyboard was never shown.") {
	@Override
	public boolean isSatisfied() {
	return UiUtils.isKeyboardShowing(mActivityTestRule.getActivity(),
	mActivityTestRule.getActivity()
	.getCurrentContentViewCore()
	.getContainerView());
	}
	});
	}

	private int getViewportHeight(WebContents webContents) {
	try {
	String jsonText = JavaScriptUtils.executeJavaScriptAndWaitForResult(
	webContents, "window.visualViewport.height");
	MoreAsserts.assertNotEqual(jsonText.trim().toLowerCase(Locale.US), "null");
	return Integer.parseInt(jsonText);
	} catch (Exception ex) {
	Assert.fail(ex.toString());
	}
	return -1;
	}

	private boolean almostEqual(int a, int b) {
	return Math.abs(a - b) <= ERROR_EPS_PIX;
	}

	/**
	* Verify that OSK show only resizes the visual viewport when the ENABLE_OSK_OVERSCROLL flag is
	* set.
	* @throws InterruptedException
	* @throws TimeoutException
	* @throws ExecutionException
	*/
	@Test
	@MediumTest
	@CommandLineFlags.Add({ChromeSwitches.ENABLE_OSK_OVERSCROLL})
	@RetryOnFailure
	public void testOnlyVisualViewportResizes()
	throws InterruptedException, TimeoutException, ExecutionException {
	mActivityTestRule.startMainActivityWithURL(FIXED_FOOTER_PAGE);

	final AtomicReference<ContentViewCore> viewCoreRef = new AtomicReference<ContentViewCore>();
	final AtomicReference<WebContents> webContentsRef = new AtomicReference<WebContents>();
	ThreadUtils.runOnUiThreadBlocking(new Runnable() {
	@Override
	public void run() {
	viewCoreRef.set(mActivityTestRule.getActivity().getCurrentContentViewCore());
	webContentsRef.set(viewCoreRef.get().getWebContents());
	}
	});

	DOMUtils.waitForNonZeroNodeBounds(webContentsRef.get(), "fn");

	// Get the position of the footer and the viewport height before bringing up the OSK.
	Rect footerPositionBefore = DOMUtils.getNodeBounds(webContentsRef.get(), "footer");
	final int viewportHeightBeforeCss = getViewportHeight(webContentsRef.get());
	final float cssToDevicePixFactor = viewCoreRef.get().getPageScaleFactor()
	* viewCoreRef.get().getDeviceScaleFactor();

	// Click on the unfocused input element for the first time to focus on it. This brings up
	// the OSK.
	DOMUtils.clickNode(viewCoreRef.get(), "fn");

	waitForKeyboard();

	// Get the position of the footer after bringing up the OSK. This should be the same as the
	// position before because only the visual viewport should have resized.
	Rect footerPositionAfter = DOMUtils.getNodeBounds(webContentsRef.get(), "footer");
	Assert.assertEquals(footerPositionBefore, footerPositionAfter);

	CriteriaHelper.pollInstrumentationThread(new Criteria() {
	@Override
	public boolean isSatisfied() {
	// Verify that the size of the viewport before the OSK show is equal to the size of
	// the viewport after the OSK show plus the size of the keyboard.
	int viewportHeightAfterCss = getViewportHeight(webContentsRef.get());
	int keyboardHeight = mActivityTestRule.getActivity()
	.getActivityTab()
	.getSystemWindowInsetBottom();

	int priorHeight = (int) (viewportHeightBeforeCss * cssToDevicePixFactor);
	int afterHeightPlusKeyboard =
	(int) (viewportHeightAfterCss * cssToDevicePixFactor) + keyboardHeight;
	updateFailureReason("Values [" + priorHeight + "], [" + afterHeightPlusKeyboard
	+ "] did not match within allowed error range [" + ERROR_EPS_PIX + "]");
	return almostEqual(priorHeight, afterHeightPlusKeyboard);
	}
	});
	}
	}