| // Copyright (c) 2013 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.android_webview.test; |
| |
| import android.test.suitebuilder.annotation.MediumTest; |
| import org.chromium.android_webview.AwContents; |
| import org.chromium.android_webview.AwSettings; |
| import org.chromium.base.test.util.Feature; |
| import org.chromium.content.browser.test.util.CallbackHelper; |
| import org.chromium.ui.gfx.DeviceDisplayInfo; |
| |
| public class AwTargetDensityDpiTest extends AwTestBase { |
| |
| @MediumTest |
| @Feature({"AndroidWebView"}) |
| public void testTargetDensityDpi() throws Throwable { |
| final TestAwContentsClient contentClient = new TestAwContentsClient(); |
| final AwTestContainerView testContainerView = |
| createAwTestContainerViewOnMainSync(contentClient); |
| final AwContents awContents = testContainerView.getAwContents(); |
| AwSettings settings = getAwSettingsOnUiThread(awContents); |
| CallbackHelper onPageFinishedHelper = contentClient.getOnPageFinishedHelper(); |
| |
| final String pageTemplate = "<html><head>" + |
| "<meta name='viewport' content='width=device-width, target-densityDpi=%s' />" + |
| "</head><body onload='document.title=document.body.clientWidth'></body></html>"; |
| final String pageDeviceDpi = String.format(pageTemplate, "device-dpi"); |
| final String pageHighDpi = String.format(pageTemplate, "high-dpi"); |
| final String pageDpi100 = String.format(pageTemplate, "100"); |
| |
| settings.setJavaScriptEnabled(true); |
| |
| DeviceDisplayInfo deviceInfo = |
| DeviceDisplayInfo.create(getInstrumentation().getTargetContext()); |
| loadDataSync(awContents, onPageFinishedHelper, pageDeviceDpi, "text/html", false); |
| int actualWidth = Integer.parseInt(getTitleOnUiThread(awContents)); |
| assertEquals((float)deviceInfo.getDisplayWidth(), (float)actualWidth, 10f); |
| |
| float displayWidth = (float)(deviceInfo.getDisplayWidth()); |
| float deviceDpi = (float)(160f * deviceInfo.getDIPScale()); |
| |
| loadDataSync(awContents, onPageFinishedHelper, pageHighDpi, "text/html", false); |
| actualWidth = Integer.parseInt(getTitleOnUiThread(awContents)); |
| assertEquals(displayWidth * (240f / deviceDpi), (float)actualWidth, 10f); |
| |
| loadDataSync(awContents, onPageFinishedHelper, pageDpi100, "text/html", false); |
| actualWidth = Integer.parseInt(getTitleOnUiThread(awContents)); |
| assertEquals(displayWidth * (100f / deviceDpi), (float)actualWidth, 10f); |
| } |
| } |
