Elide long emails in the wrench and profile menus.

ui/base/text/text_elider.h

 // 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.
 //
 // This file defines utility functions for eliding and formatting UI text.
 
 #ifndef UI_BASE_TEXT_TEXT_ELIDER_H_
 #define UI_BASE_TEXT_TEXT_ELIDER_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/string16.h"
 #include "ui/base/ui_export.h"
 #include "ui/gfx/font.h"
 #include "unicode/coll.h"
 #include "unicode/uchar.h"
 
 class FilePath;
 class GURL;
 
 namespace ui {
 
 UI_EXPORT extern const char kEllipsis[];
+UI_EXPORT extern const size_t kMaxProfileUsernameLength;
+
+// Elides only the username portion of the |email|, if possible, so that the
+// returned email is at most |max_email_length| characters (e.g.
+// longusername@host.com --> longuser...@host.com for |max_email_length| == 20).
+// If the domain name by itself already has more characters than available:
+// it is elided in the middle so that only |max_email_length| / 2 characters
+// remain; the username is then elided following the regular process described
+// above.
+// In any scenario: the string returned will never be longer than
+// |max_email_length| including the inserted ellipses; and the elided strings
+// will have at least one character remaining on either side of the '@'(other
+// than the ellipsis-es).
+// This function assumes |max_email_length| is >= 5.
+UI_EXPORT string16 ElideEmail(const string16& email,
+                              size_t max_email_length);

[gab, 2012/02/28 19:23:01]

I moved this here as ElideEmail is above ElideUrl in the .cc file

 
 // This function takes a GURL object and elides it. It returns a string
 // which composed of parts from subdomain, domain, path, filename and query.
 // A "..." is added automatically at the end if the elided string is bigger
 // than the available pixel width. For available pixel width = 0, empty
 // string is returned. |languages| is a comma separted list of ISO 639
 // language codes and is used to determine what characters are understood
 // by a user. It should come from |prefs::kAcceptLanguages|.
 //
 // Note: in RTL locales, if the URL returned by this function is going to be
@@ skipping 132 matching lines @@
 // Truncates the string to length characters. This breaks the string at
 // the first word break before length, adding the horizontal ellipsis
 // character (unicode character 0x2026) to render ...
 // The supplied string is returned if the string has length characters or
 // less.
 UI_EXPORT string16 TruncateString(const string16& string, size_t length);
 
 }  // namespace ui
 
 #endif  // UI_BASE_TEXT_TEXT_ELIDER_H_