chrome/browser/extensions/path_util.cc

   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 #include "chrome/browser/extensions/path_util.h"
   6
   7 #include "base/path_service.h"
   8 #include "base/strings/sys_string_conversions.h"
   9
  10 #if defined(OS_MACOSX)
  11 #include <CoreFoundation/CoreFoundation.h>
  12 #include "base/mac/foundation_util.h"
  13 #endif
  14
  15 #if defined(OS_CHROMEOS)
  16 #include "chrome/browser/chromeos/file_manager/filesystem_api_util.h"
  17 #endif
  18
  19 namespace extensions {
  20 namespace path_util {
  21
  22 namespace {
  23 #if defined(OS_MACOSX)
  24
  25 // Retrieves the localized display name for the base name of the given path.
  26 // If the path is not localized, this will just return the base name.
  27 std::string GetDisplayBaseName(const base::FilePath& path) {
  28   base::ScopedCFTypeRef<CFURLRef> url(CFURLCreateFromFileSystemRepresentation(
  29       NULL, (const UInt8*)path.value().c_str(), path.value().length(), true));
  30   if (!url)
  31     return path.BaseName().value();
  32
  33   CFStringRef str;
  34   if (LSCopyDisplayNameForURL(url, &str) != noErr)
  35     return path.BaseName().value();
  36
  37   std::string result(base::SysCFStringRefToUTF8(str));
  38   CFRelease(str);
  39   return result;
  40 }
  41
  42 #endif  // defined(OS_MACOSX)
  43
  44 const base::FilePath::CharType kHomeShortcut[] = FILE_PATH_LITERAL("~");
  45
  46 }  // namespace
  47
  48 base::FilePath PrettifyPath(const base::FilePath& source_path) {
  49   base::FilePath home_path;
  50   if (source_path.empty() || !PathService::Get(base::DIR_HOME, &home_path))
  51     return source_path;
  52
  53   base::FilePath display_path = base::FilePath(kHomeShortcut);
  54   if (source_path == home_path)
  55     return display_path;
  56
  57 #if defined(OS_MACOSX)
  58   DCHECK(source_path.IsAbsolute());
  59
  60   // Break down the incoming path into components, and grab the display name
  61   // for every component. This will match app bundles, ".localized" folders,
  62   // and localized subfolders of the user's home directory.
  63   // Don't grab the display name of the first component, i.e., "/", as it'll
  64   // show up as the HDD name.
  65   std::vector<base::FilePath::StringType> components;
  66   source_path.GetComponents(&components);
  67   display_path = base::FilePath(components[0]);
  68   base::FilePath actual_path = display_path;
  69   for (std::vector<base::FilePath::StringType>::iterator i =
  70            components.begin() + 1; i != components.end(); ++i) {
  71     actual_path = actual_path.Append(*i);
  72     if (actual_path == home_path) {
  73       display_path = base::FilePath(kHomeShortcut);
  74       home_path = base::FilePath();
  75       continue;
  76     }
  77     std::string display = GetDisplayBaseName(actual_path);
  78     display_path = display_path.Append(display);
  79   }
  80   DCHECK_EQ(actual_path.value(), source_path.value());
  81   return display_path;
  82 #else  // defined(OS_MACOSX)
  83   if (home_path.AppendRelativePath(source_path, &display_path))
  84     return display_path;
  85   return source_path;
  86 #endif  // defined(OS_MACOSX)
  87 }
  88
  89 }  // namespace path_util
  90 }  // namespace extensions