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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* 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.icons.preparation;
import android.text.TextUtils;
import org.mozilla.gecko.icons.IconDescriptor;
import org.mozilla.gecko.icons.IconRequest;
import org.mozilla.gecko.icons.IconsHelper;
import org.mozilla.gecko.util.StringUtils;
/**
* Preparer to add the "default/guessed" favicon URL (domain/favicon.ico) to the list of URLs to
* try loading the favicon from.
*
* The default URL will be added with a very low priority so that we will only try to load from this
* URL if all other options failed.
*/
public class AddDefaultIconUrl implements Preparer {
@Override
public void prepare(IconRequest request) {
if (!StringUtils.isHttpOrHttps(request.getPageUrl())) {
return;
}
final String defaultFaviconUrl = IconsHelper.guessDefaultFaviconURL(request.getPageUrl());
if (TextUtils.isEmpty(defaultFaviconUrl)) {
// We couldn't generate a default favicon URL for this URL. Nothing to do here.
return;
}
request.modify()
.icon(IconDescriptor.createGenericIcon(defaultFaviconUrl))
.deferBuild();
}
}
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