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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <vector> | 5 #include <vector> |
| 6 | 6 |
| 7 #include "app/text_elider.h" | 7 #include "ui/base/text/text_elider.h" |
| 8 |
| 8 #include "base/file_path.h" | 9 #include "base/file_path.h" |
| 9 #include "base/i18n/break_iterator.h" | 10 #include "base/i18n/break_iterator.h" |
| 10 #include "base/i18n/char_iterator.h" | 11 #include "base/i18n/char_iterator.h" |
| 11 #include "base/i18n/rtl.h" | 12 #include "base/i18n/rtl.h" |
| 12 #include "base/string_split.h" | 13 #include "base/string_split.h" |
| 13 #include "base/string_util.h" | 14 #include "base/string_util.h" |
| 14 #include "base/sys_string_conversions.h" | 15 #include "base/sys_string_conversions.h" |
| 15 #include "base/utf_string_conversions.h" | 16 #include "base/utf_string_conversions.h" |
| 16 #include "gfx/font.h" | 17 #include "gfx/font.h" |
| 17 #include "googleurl/src/gurl.h" | 18 #include "googleurl/src/gurl.h" |
| 18 #include "net/base/escape.h" | 19 #include "net/base/escape.h" |
| 19 #include "net/base/net_util.h" | 20 #include "net/base/net_util.h" |
| 20 #include "net/base/registry_controlled_domain.h" | 21 #include "net/base/registry_controlled_domain.h" |
| 21 | 22 |
| 23 namespace ui { |
| 22 | 24 |
| 23 namespace { | 25 namespace { |
| 24 | 26 |
| 25 const char* kEllipsis = "\xE2\x80\xA6"; | 27 const char* kEllipsis = "\xE2\x80\xA6"; |
| 26 | 28 |
| 27 // Cuts |text| to be |length| characters long. If |cut_in_middle| is true, the | 29 // Cuts |text| to be |length| characters long. If |cut_in_middle| is true, the |
| 28 // middle of the string is removed to leave equal-length pieces from the | 30 // middle of the string is removed to leave equal-length pieces from the |
| 29 // beginning and end of the string; otherwise, the end of the string is removed | 31 // beginning and end of the string; otherwise, the end of the string is removed |
| 30 // and only the beginning remains. If |insert_ellipsis| is true, then an | 32 // and only the beginning remains. If |insert_ellipsis| is true, then an |
| 31 // ellipsis character will by inserted at the cut point. | 33 // ellipsis character will by inserted at the cut point. |
| 32 string16 CutString(const string16& text, | 34 string16 CutString(const string16& text, |
| 33 size_t length, | 35 size_t length, |
| 34 bool cut_in_middle, | 36 bool cut_in_middle, |
| 35 bool insert_ellipsis) { | 37 bool insert_ellipsis) { |
| 36 // TODO(tony): This is wrong, it might split the string in the middle of a | 38 // TODO(tony): This is wrong, it might split the string in the middle of a |
| 37 // surrogate pair. | 39 // surrogate pair. |
| 38 const string16 kInsert = insert_ellipsis ? UTF8ToUTF16(kEllipsis) : | 40 const string16 kInsert = insert_ellipsis ? UTF8ToUTF16(kEllipsis) : |
| 39 ASCIIToUTF16(""); | 41 ASCIIToUTF16(""); |
| 40 if (!cut_in_middle) | 42 if (!cut_in_middle) |
| 41 return text.substr(0, length) + kInsert; | 43 return text.substr(0, length) + kInsert; |
| 42 // We put the extra character, if any, before the cut. | 44 // We put the extra character, if any, before the cut. |
| 43 const size_t half_length = length / 2; | 45 const size_t half_length = length / 2; |
| 44 return text.substr(0, length - half_length) + kInsert + | 46 return text.substr(0, length - half_length) + kInsert + |
| 45 text.substr(text.length() - half_length, half_length); | 47 text.substr(text.length() - half_length, half_length); |
| 46 } | 48 } |
| 47 | 49 |
| 48 } // namespace | 50 } // namespace |
| 49 | 51 |
| 50 namespace gfx { | |
| 51 | |
| 52 // This function takes a GURL object and elides it. It returns a string | 52 // This function takes a GURL object and elides it. It returns a string |
| 53 // which composed of parts from subdomain, domain, path, filename and query. | 53 // which composed of parts from subdomain, domain, path, filename and query. |
| 54 // A "..." is added automatically at the end if the elided string is bigger | 54 // A "..." is added automatically at the end if the elided string is bigger |
| 55 // than the available pixel width. For available pixel width = 0, a formatted, | 55 // than the available pixel width. For available pixel width = 0, a formatted, |
| 56 // but un-elided, string is returned. | 56 // but un-elided, string is returned. |
| 57 // | 57 // |
| 58 // TODO(pkasting): http://b/119635 This whole function gets | 58 // TODO(pkasting): http://b/119635 This whole function gets |
| 59 // kerning/ligatures/etc. issues potentially wrong by assuming that the width of | 59 // kerning/ligatures/etc. issues potentially wrong by assuming that the width of |
| 60 // a rendered string is always the sum of the widths of its substrings. Also I | 60 // a rendered string is always the sum of the widths of its substrings. Also I |
| 61 // suspect it could be made simpler. | 61 // suspect it could be made simpler. |
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| 655 namespace gfx { | 655 namespace gfx { |
| 656 | 656 |
| 657 bool ElideRectangleString(const string16& input, size_t max_rows, | 657 bool ElideRectangleString(const string16& input, size_t max_rows, |
| 658 size_t max_cols, string16* output) { | 658 size_t max_cols, string16* output) { |
| 659 RectangleString rect(max_rows, max_cols, output); | 659 RectangleString rect(max_rows, max_cols, output); |
| 660 rect.Init(); | 660 rect.Init(); |
| 661 rect.AddString(input); | 661 rect.AddString(input); |
| 662 return rect.Finalize(); | 662 return rect.Finalize(); |
| 663 } | 663 } |
| 664 | 664 |
| 665 } // namespace gfx | 665 } // namespace ui |
| 666 | |
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