Convert Media Galleries to use base::File

chrome/browser/media_galleries/fileapi/itunes_file_util.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/media_galleries/fileapi/itunes_file_util.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/bind_helpers.h"
 #include "base/file_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/media_galleries/fileapi/itunes_data_provider.h"
 #include "chrome/browser/media_galleries/fileapi/media_path_filter.h"
 #include "chrome/browser/media_galleries/imported_media_gallery_registry.h"
 #include "content/public/browser/browser_thread.h"
 #include "webkit/browser/fileapi/file_system_operation_context.h"
 #include "webkit/browser/fileapi/file_system_url.h"
 #include "webkit/browser/fileapi/native_file_util.h"
 #include "webkit/common/blob/shareable_file_reference.h"
 #include "webkit/common/fileapi/file_system_util.h"
 
 using fileapi::DirectoryEntry;
 
 namespace itunes {
 
 namespace {
 
-base::PlatformFileError MakeDirectoryFileInfo(
-    base::PlatformFileInfo* file_info) {
-  base::PlatformFileInfo result;
+base::File::Error MakeDirectoryFileInfo(base::File::Info* file_info) {
+  base::File::Info result;
   result.is_directory = true;
   *file_info = result;
-  return base::PLATFORM_FILE_OK;
+  return base::File::FILE_OK;
 }
 
 }  // namespace
 
 const char kITunesLibraryXML[] = "iTunes Music Library.xml";
 const char kITunesMediaDir[] = "iTunes Media";
 const char kITunesMusicDir[] = "Music";
 const char kITunesAutoAddDir[] = "Automatically Add to iTunes";
 
 ITunesFileUtil::ITunesFileUtil(MediaPathFilter* media_path_filter)
@@ skipping 34 matching lines @@
                  weak_factory_.GetWeakPtr(), base::Passed(&context), url,
                  callback));
 }
 
 // Contents of the iTunes media gallery:
 //   /                                                - root directory
 //   /iTunes Music Library.xml                        - library xml file
 //   /iTunes Media/Automatically Add to iTunes        - auto-import directory
 //   /iTunes Media/Music/<Artist>/<Album>/<Track>     - tracks
 //
-base::PlatformFileError ITunesFileUtil::GetFileInfoSync(
+base::File::Error ITunesFileUtil::GetFileInfoSync(
     fileapi::FileSystemOperationContext* context,
     const fileapi::FileSystemURL& url,
-    base::PlatformFileInfo* file_info,
+    base::File::Info* file_info,
     base::FilePath* platform_path) {
   std::vector<std::string> components;
   fileapi::VirtualPath::GetComponentsUTF8Unsafe(url.path(), &components);
 
   if (components.size() == 0)
     return MakeDirectoryFileInfo(file_info);
 
   if (components.size() == 1 && components[0] == kITunesLibraryXML) {
     // We can't just call NativeMediaFileUtil::GetFileInfoSync() here because it
     // uses the MediaPathFilter. At this point, |library_path_| is known good
     // because GetFileInfoWithFreshDataProvider() gates access to this method.
     base::FilePath file_path = GetDataProvider()->library_path();
     if (platform_path)
       *platform_path = file_path;
     return fileapi::NativeFileUtil::GetFileInfo(file_path, file_info);
   }
 
   if (components[0] != kITunesMediaDir)
-    return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+    return base::File::FILE_ERROR_NOT_FOUND;
 
   if (components[1] == kITunesAutoAddDir) {
     if (GetDataProvider()->auto_add_path().empty())
-      return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+      return base::File::FILE_ERROR_NOT_FOUND;
     return NativeMediaFileUtil::GetFileInfoSync(context, url, file_info,
                                                 platform_path);
   }
 
   if (components[1] == kITunesMusicDir) {
     switch (components.size()) {
       case 2:
         return MakeDirectoryFileInfo(file_info);
 
       case 3:
@@ skipping 12 matching lines @@
                                                 components[4]);
          if (!location.empty()) {
           return NativeMediaFileUtil::GetFileInfoSync(context, url, file_info,
                                                       platform_path);
         }
         break;
       }
     }
   }
 
-  return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+  return base::File::FILE_ERROR_NOT_FOUND;
 }
 
-base::PlatformFileError ITunesFileUtil::ReadDirectorySync(
+base::File::Error ITunesFileUtil::ReadDirectorySync(
     fileapi::FileSystemOperationContext* context,
     const fileapi::FileSystemURL& url,
     EntryList* file_list) {
   DCHECK(file_list->empty());
   std::vector<std::string> components;
   fileapi::VirtualPath::GetComponentsUTF8Unsafe(url.path(), &components);
 
   if (components.size() == 0) {
     base::File::Info xml_info;
     if (!base::GetFileInfo(GetDataProvider()->library_path(), &xml_info))
-      return base::PLATFORM_FILE_ERROR_IO;
+      return base::File::FILE_ERROR_IO;
     file_list->push_back(DirectoryEntry(kITunesLibraryXML,
                                         DirectoryEntry::FILE,
                                         xml_info.size, xml_info.last_modified));
     file_list->push_back(DirectoryEntry(kITunesMediaDir,
                                         DirectoryEntry::DIRECTORY,
                                         0, base::Time()));
-    return base::PLATFORM_FILE_OK;
+    return base::File::FILE_OK;
   }
 
   if (components.size() == 1 && components[0] == kITunesLibraryXML)
-    return base::PLATFORM_FILE_ERROR_NOT_A_DIRECTORY;
+    return base::File::FILE_ERROR_NOT_A_DIRECTORY;
 
   if (components[0] != kITunesMediaDir || components.size() > 5)
-    return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+    return base::File::FILE_ERROR_NOT_FOUND;
 
   if (components.size() == 1) {
     if (!GetDataProvider()->auto_add_path().empty()) {
       file_list->push_back(DirectoryEntry(kITunesAutoAddDir,
                                           DirectoryEntry::DIRECTORY,
                                           0, base::Time()));
     }
     file_list->push_back(DirectoryEntry(kITunesMusicDir,
                                         DirectoryEntry::DIRECTORY,
                                         0, base::Time()));
-    return base::PLATFORM_FILE_OK;
+    return base::File::FILE_OK;
   }
 
   if (components[1] == kITunesAutoAddDir &&
       !GetDataProvider()->auto_add_path().empty()) {
     return NativeMediaFileUtil::ReadDirectorySync(context, url, file_list);
   }
 
   if (components[1] != kITunesMusicDir)
-    return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+    return base::File::FILE_ERROR_NOT_FOUND;
 
   if (components.size() == 2) {
     std::set<ITunesDataProvider::ArtistName> artists =
         GetDataProvider()->GetArtistNames();
     std::set<ITunesDataProvider::ArtistName>::const_iterator it;
     for (it = artists.begin(); it != artists.end(); ++it)
       file_list->push_back(DirectoryEntry(*it, DirectoryEntry::DIRECTORY,
                                           0, base::Time()));
-    return base::PLATFORM_FILE_OK;
+    return base::File::FILE_OK;
   }
 
   if (components.size() == 3) {
     std::set<ITunesDataProvider::AlbumName> albums =
         GetDataProvider()->GetAlbumNames(components[2]);
     if (albums.size() == 0)
-      return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+      return base::File::FILE_ERROR_NOT_FOUND;
     std::set<ITunesDataProvider::AlbumName>::const_iterator it;
     for (it = albums.begin(); it != albums.end(); ++it)
       file_list->push_back(DirectoryEntry(*it, DirectoryEntry::DIRECTORY,
                                           0, base::Time()));
-    return base::PLATFORM_FILE_OK;
+    return base::File::FILE_OK;
   }
 
   if (components.size() == 4) {
     ITunesDataProvider::Album album =
         GetDataProvider()->GetAlbum(components[2], components[3]);
     if (album.size() == 0)
-      return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+      return base::File::FILE_ERROR_NOT_FOUND;
     ITunesDataProvider::Album::const_iterator it;
     for (it = album.begin(); it != album.end(); ++it) {
       base::File::Info file_info;
       if (media_path_filter()->Match(it->second) &&
           base::GetFileInfo(it->second, &file_info)) {
         file_list->push_back(DirectoryEntry(it->first, DirectoryEntry::FILE,
                                             file_info.size,
                                             file_info.last_modified));
       }
     }
-    return base::PLATFORM_FILE_OK;
+    return base::File::FILE_OK;
   }
 
   // At this point, the only choice is one of two errors, but figuring out
   // which one is required.
   DCHECK_EQ(4UL, components.size());
   base::FilePath location;
   location = GetDataProvider()->GetTrackLocation(components[1], components[2],
                                                  components[3]);
   if (!location.empty())
-    return base::PLATFORM_FILE_ERROR_NOT_A_DIRECTORY;
-  return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+    return base::File::FILE_ERROR_NOT_A_DIRECTORY;
+  return base::File::FILE_ERROR_NOT_FOUND;
 }
 
-base::PlatformFileError ITunesFileUtil::DeleteDirectorySync(
+base::File::Error ITunesFileUtil::DeleteDirectorySync(
     fileapi::FileSystemOperationContext* context,
     const fileapi::FileSystemURL& url) {
-  return base::PLATFORM_FILE_ERROR_SECURITY;
+  return base::File::FILE_ERROR_SECURITY;
 }
 
-base::PlatformFileError ITunesFileUtil::DeleteFileSync(
+base::File::Error ITunesFileUtil::DeleteFileSync(
     fileapi::FileSystemOperationContext* context,
     const fileapi::FileSystemURL& url) {
-  return base::PLATFORM_FILE_ERROR_SECURITY;
+  return base::File::FILE_ERROR_SECURITY;
 }
 
-base::PlatformFileError ITunesFileUtil::CreateSnapshotFileSync(
+base::File::Error ITunesFileUtil::CreateSnapshotFileSync(
     fileapi::FileSystemOperationContext* context,
     const fileapi::FileSystemURL& url,
-    base::PlatformFileInfo* file_info,
+    base::File::Info* file_info,
     base::FilePath* platform_path,
     scoped_refptr<webkit_blob::ShareableFileReference>* file_ref) {
   DCHECK(!url.path().IsAbsolute());
   if (url.path() != base::FilePath().AppendASCII(kITunesLibraryXML)) {
     return NativeMediaFileUtil::CreateSnapshotFileSync(context, url, file_info,
                                                        platform_path, file_ref);
   }
 
   // The following code is different than
   // NativeMediaFileUtil::CreateSnapshotFileSync in that it knows that the
   // library xml file is not a directory and it doesn't run mime sniffing on the
   // file. The only way to get here is by way of
   // CreateSnapshotFileWithFreshDataProvider() so the file has already been
   // parsed and deemed valid.
   *file_ref = scoped_refptr<webkit_blob::ShareableFileReference>();
   return GetFileInfoSync(context, url, file_info, platform_path);
 }
 
-base::PlatformFileError ITunesFileUtil::GetLocalFilePath(
+base::File::Error ITunesFileUtil::GetLocalFilePath(
     fileapi::FileSystemOperationContext* context,
     const fileapi::FileSystemURL& url,
     base::FilePath* local_file_path) {
   std::vector<std::string> components;
   fileapi::VirtualPath::GetComponentsUTF8Unsafe(url.path(), &components);
 
   if (components.size() == 1 && components[0] == kITunesLibraryXML) {
     *local_file_path = GetDataProvider()->library_path();
-    return base::PLATFORM_FILE_OK;
+    return base::File::FILE_OK;
   }
 
   if (components.size() >= 2 && components[0] == kITunesMediaDir &&
       components[1] == kITunesAutoAddDir) {
     *local_file_path = GetDataProvider()->auto_add_path();
     if (local_file_path->empty())
-      return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+      return base::File::FILE_ERROR_NOT_FOUND;
 
     for (size_t i = 2; i < components.size(); ++i) {
       *local_file_path = local_file_path->Append(
           base::FilePath::FromUTF8Unsafe(components[i]));
     }
-    return base::PLATFORM_FILE_OK;
+    return base::File::FILE_OK;
   }
 
   // Should only get here for files, i.e. the xml file and tracks.
   if (components[0] != kITunesMediaDir || components[1] != kITunesMusicDir||
       components.size() != 5) {
-    return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+    return base::File::FILE_ERROR_NOT_FOUND;
   }
 
   *local_file_path = GetDataProvider()->GetTrackLocation(components[2],
                                                          components[3],
                                                          components[4]);
   if (!local_file_path->empty())
-    return base::PLATFORM_FILE_OK;
+    return base::File::FILE_OK;
 
-  return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+  return base::File::FILE_ERROR_NOT_FOUND;
 }
 
 void ITunesFileUtil::GetFileInfoWithFreshDataProvider(
     scoped_ptr<fileapi::FileSystemOperationContext> context,
     const fileapi::FileSystemURL& url,
     const GetFileInfoCallback& callback,
     bool valid_parse) {
   if (!valid_parse) {
     if (!callback.is_null()) {
       content::BrowserThread::PostTask(
           content::BrowserThread::IO,
           FROM_HERE,
-          base::Bind(callback, base::PLATFORM_FILE_ERROR_IO,
-                     base::PlatformFileInfo()));
+          base::Bind(callback, base::File::FILE_ERROR_IO,
+                     base::File::Info()));
     }
     return;
   }
   NativeMediaFileUtil::GetFileInfoOnTaskRunnerThread(context.Pass(), url,
                                                      callback);
 }
 
 void ITunesFileUtil::ReadDirectoryWithFreshDataProvider(
     scoped_ptr<fileapi::FileSystemOperationContext> context,
     const fileapi::FileSystemURL& url,
     const ReadDirectoryCallback& callback,
     bool valid_parse) {
   if (!valid_parse) {
     if (!callback.is_null()) {
       content::BrowserThread::PostTask(
           content::BrowserThread::IO,
           FROM_HERE,
-          base::Bind(callback, base::PLATFORM_FILE_ERROR_IO, EntryList(),
-                     false));
+          base::Bind(callback, base::File::FILE_ERROR_IO, EntryList(), false));
     }
     return;
   }
   NativeMediaFileUtil::ReadDirectoryOnTaskRunnerThread(context.Pass(), url,
                                                        callback);
 }
 
 void ITunesFileUtil::CreateSnapshotFileWithFreshDataProvider(
     scoped_ptr<fileapi::FileSystemOperationContext> context,
     const fileapi::FileSystemURL& url,
     const CreateSnapshotFileCallback& callback,
     bool valid_parse) {
   if (!valid_parse) {
     if (!callback.is_null()) {
-      base::PlatformFileInfo file_info;
+      base::File::Info file_info;
       base::FilePath platform_path;
       scoped_refptr<webkit_blob::ShareableFileReference> file_ref;
       content::BrowserThread::PostTask(
           content::BrowserThread::IO,
           FROM_HERE,
-          base::Bind(callback, base::PLATFORM_FILE_ERROR_IO, file_info,
+          base::Bind(callback, base::File::FILE_ERROR_IO, file_info,
                      platform_path, file_ref));
     }
     return;
   }
   NativeMediaFileUtil::CreateSnapshotFileOnTaskRunnerThread(context.Pass(), url,
                                                             callback);
 }
 
 ITunesDataProvider* ITunesFileUtil::GetDataProvider() {
   if (!imported_registry_)
     imported_registry_ = ImportedMediaGalleryRegistry::GetInstance();
   return imported_registry_->ITunesDataProvider();
 }
 
 }  // namespace itunes