| // Copyright (c) 2012 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.util; |
| |
| import org.chromium.net.test.util.TestWebServer; |
| |
| // The purpose of the generator is to provide a sequence of distinct images |
| // to avoid caching side-effects. As we don't need too many images, I've |
| // found it easier to hardcode image samples. It is possible to generate |
| // images on the fly, but it will require hooking up additional packages. |
| public class ImagePageGenerator { |
| |
| public static final String IMAGE_LOADED_STRING = "1"; |
| public static final String IMAGE_NOT_LOADED_STRING = "0"; |
| |
| private final static String[] COLORS = { |
| "AAAAIAAc3j0Ss", "AQABIAEayS9b0", "AgACIAIQ8BmAc", "AwADIAMW5wvJE", |
| "BAAEIAQZNWRTI", "BQAFIAUfInYaQ", "BgAGIAYVG0DB4", "BwAHIAcTDFKIg", |
| "CAAIIAgXCI+Rk", "CQAJIAkRH53Y8", "CgAKIAobJqsDU", "CwALIAsdMblKM", |
| "DAAMIAwS49bQA", "DQANIA0U9MSZY", "DgAOIA4ezfJCw", "DwAPIA8Y2uALo", |
| "D+AQAA/9vaUwc", "D/AQEBANNhzkw" |
| }; |
| |
| private final static String IMAGE_PREFIX = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAAAAAA" + |
| "6fptVAAAAAXNSR0IArs4c6QAAAA1JREFUCB0BAgD9/w"; |
| |
| private final static String IMAGE_SUFFIX = "AAAAASUVORK5CYII="; |
| |
| private int mIndex; |
| private final boolean mAdvance; |
| |
| public ImagePageGenerator(int startIndex, boolean advance) { |
| mIndex = startIndex; |
| mAdvance = advance; |
| } |
| |
| public String getImageSourceNoAdvance() { |
| return IMAGE_PREFIX + COLORS[mIndex] + IMAGE_SUFFIX; |
| } |
| |
| public String getPageTemplateSource(String imageSrc) { |
| return CommonResources.getOnImageLoadedHtml(imageSrc); |
| } |
| |
| public String getPageSource() { |
| String result = |
| getPageTemplateSource("data:image/png;base64," + getImageSourceNoAdvance()); |
| if (mAdvance) mIndex += 2; |
| return result; |
| } |
| |
| public String getPageUrl(TestWebServer webServer) { |
| final String imagePath = "/image_" + mIndex + ".png"; |
| final String pagePath = "/html_image_" + mIndex + ".html"; |
| webServer.setResponseBase64(imagePath, getImageSourceNoAdvance(), |
| CommonResources.getImagePngHeaders(false)); |
| if (mAdvance) mIndex += 2; |
| return webServer.setResponse(pagePath, getPageTemplateSource(imagePath), null); |
| } |
| } |