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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko;
import android.net.Uri;
import android.text.TextUtils;
public class ReaderModeUtils {
private static final String LOGTAG = "ReaderModeUtils";
public static boolean isAboutReader(String url) {
if (url == null)
return false;
return url.startsWith("about:reader");
}
public static String getUrlFromAboutReader(String aboutReaderUrl) {
if (aboutReaderUrl == null)
return null;
String[] urlParts = aboutReaderUrl.split("\\?");
if (urlParts.length < 2)
return null;
String query = urlParts[1];
for (String param : query.split("&")) {
String pair[] = param.split("=");
String key = Uri.decode(pair[0]);
// Key is empty or not "url", discard
if (TextUtils.isEmpty(key) || !key.equals("url"))
continue;
// No value associated with key, discard
if (pair.length < 2)
continue;
String url = Uri.decode(pair[1]);
if (TextUtils.isEmpty(url))
return null;
return url;
}
return null;
}
public static boolean isEnteringReaderMode(String currentUrl, String newUrl) {
if (currentUrl == null || newUrl == null)
return false;
if (!isAboutReader(newUrl))
return false;
String urlFromAboutReader = getUrlFromAboutReader(newUrl);
if (urlFromAboutReader == null)
return false;
return urlFromAboutReader.equals(currentUrl);
}
public static String getAboutReaderForUrl(String url, boolean inReadingList) {
return getAboutReaderForUrl(url, -1, inReadingList);
}
public static String getAboutReaderForUrl(String url, int tabId, boolean inReadingList) {
String aboutReaderUrl = "about:reader?url=" + Uri.encode(url) +
"&readingList=" + (inReadingList ? 1 : 0);
if (tabId >= 0)
aboutReaderUrl += "&tabId=" + tabId;
return aboutReaderUrl;
}
}
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