1 | // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 | // Use of this source code is governed by a BSD-style license that can be |
3 | // found in the LICENSE file. |
4 | |
5 | package org.chromium.android_webview.test; |
6 | |
7 | import android.test.suitebuilder.annotation.MediumTest; |
8 | import org.chromium.android_webview.AwContents; |
9 | import org.chromium.android_webview.AwSettings; |
10 | import org.chromium.base.test.util.Feature; |
11 | import org.chromium.content.browser.test.util.CallbackHelper; |
12 | import org.chromium.ui.gfx.DeviceDisplayInfo; |
13 | |
14 | public class AwTargetDensityDpiTest extends AwTestBase { |
15 | |
16 | @MediumTest |
17 | @Feature({"AndroidWebView"}) |
18 | public void testTargetDensityDpi() throws Throwable { |
19 | final TestAwContentsClient contentClient = new TestAwContentsClient(); |
20 | final AwTestContainerView testContainerView = |
21 | createAwTestContainerViewOnMainSync(contentClient); |
22 | final AwContents awContents = testContainerView.getAwContents(); |
23 | AwSettings settings = getAwSettingsOnUiThread(awContents); |
24 | CallbackHelper onPageFinishedHelper = contentClient.getOnPageFinishedHelper(); |
25 | |
26 | final String pageTemplate = "<html><head>" + |
27 | "<meta name='viewport' content='width=device-width, target-densityDpi=%s' />" + |
28 | "</head><body onload='document.title=document.body.clientWidth'></body></html>"; |
29 | final String pageDeviceDpi = String.format(pageTemplate, "device-dpi"); |
30 | final String pageHighDpi = String.format(pageTemplate, "high-dpi"); |
31 | final String pageDpi100 = String.format(pageTemplate, "100"); |
32 | |
33 | settings.setJavaScriptEnabled(true); |
34 | |
35 | DeviceDisplayInfo deviceInfo = |
36 | DeviceDisplayInfo.create(getInstrumentation().getTargetContext()); |
37 | loadDataSync(awContents, onPageFinishedHelper, pageDeviceDpi, "text/html", false); |
38 | int actualWidth = Integer.parseInt(getTitleOnUiThread(awContents)); |
39 | assertEquals((float)deviceInfo.getDisplayWidth(), (float)actualWidth, 10f); |
40 | |
41 | float displayWidth = (float)(deviceInfo.getDisplayWidth()); |
42 | float deviceDpi = (float)(160f * deviceInfo.getDIPScale()); |
43 | |
44 | loadDataSync(awContents, onPageFinishedHelper, pageHighDpi, "text/html", false); |
45 | actualWidth = Integer.parseInt(getTitleOnUiThread(awContents)); |
46 | assertEquals(displayWidth * (240f / deviceDpi), (float)actualWidth, 10f); |
47 | |
48 | loadDataSync(awContents, onPageFinishedHelper, pageDpi100, "text/html", false); |
49 | actualWidth = Integer.parseInt(getTitleOnUiThread(awContents)); |
50 | assertEquals(displayWidth * (100f / deviceDpi), (float)actualWidth, 10f); |
51 | } |
52 | } |