1 // Copyright 2014 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 // This file defines utility functions for eliding URLs. 6 7 #ifndef CHROME_BROWSER_UI_ELIDE_URL_H_ 8 #define CHROME_BROWSER_UI_ELIDE_URL_H_ 9 10 #include <string> 11 12 #include "base/strings/string16.h" 13 14 class GURL; 15 16 namespace gfx { 17 class FontList; 18 } 19 20 // This function takes a GURL object and elides it. It returns a string 21 // which composed of parts from subdomain, domain, path, filename and query. 22 // A "..." is added automatically at the end if the elided string is bigger 23 // than the |available_pixel_width|. For |available_pixel_width| == 0, a 24 // formatted, but un-elided, string is returned. |languages| is a comma 25 // separated list of ISO 639 language codes and is used to determine what 26 // characters are understood by a user. It should come from 27 // |prefs::kAcceptLanguages|. 28 // 29 // Note: in RTL locales, if the URL returned by this function is going to be 30 // displayed in the UI, then it is likely that the string needs to be marked 31 // as an LTR string (using base::i18n::WrapStringWithLTRFormatting()) so that it 32 // is displayed properly in an RTL context. Please refer to 33 // http://crbug.com/6487 for more information. 34 base::string16 ElideUrl(const GURL& url, 35 const gfx::FontList& font_list, 36 float available_pixel_width, 37 const std::string& languages); 38 39 // This function takes a GURL object and elides the host to fit within 40 // the given width. The function will never elide past the TLD+1 point, 41 // but after that, will leading-elide the domain name to fit the width. 42 // Example: http://sub.domain.com ---> "...domain.com", or "...b.domain.com" 43 // depending on the width. 44 base::string16 ElideHost(const GURL& host_url, 45 const gfx::FontList& font_list, 46 float available_pixel_width); 47 48 #endif // CHROME_BROWSER_UI_ELIDE_URL_H_ 49
