Move chrome/browser/chromeos/drive/resource* (+deps) into components/drive.

chrome/browser/chromeos/drive/file_system_util.cc

 // 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.
 
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/i18n/icu_string_conversions.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
-#include "chrome/browser/chromeos/drive/file_system_core_util.h"
 #include "chrome/browser/chromeos/drive/file_system_interface.h"
 #include "chrome/browser/chromeos/drive/write_on_cache_file.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/profiles/profile_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths_internal.h"
 #include "chromeos/chromeos_constants.h"
 #include "components/drive/drive.pb.h"
 #include "components/drive/drive_pref_names.h"
+#include "components/drive/file_system_core_util.h"
 #include "components/drive/job_list.h"
 #include "components/user_manager/user_manager.h"
 #include "content/public/browser/browser_thread.h"
+#include "net/base/escape.h"
 #include "storage/browser/fileapi/file_system_url.h"
 
 using content::BrowserThread;
 
 namespace drive {
 namespace util {
 
 namespace {
 
 // Returns DriveIntegrationService instance, if Drive is enabled.
@@ skipping 19 matching lines @@
         user_manager::UserManager::IsInitialized()
             ? chromeos::ProfileHelper::Get()->GetUserByProfile(
                   profile->GetOriginalProfile())
             : NULL;
     if (user)
       id = user->username_hash();
   }
   return GetDriveMountPointPathForUserIdHash(id);
 }
 
+base::FilePath GetDriveMountPointPathForUserIdHash(
+    const std::string user_id_hash) {
+  static const base::FilePath::CharType kSpecialMountPointRoot[] =
+      FILE_PATH_LITERAL("/special");
+  static const char kDriveMountPointNameBase[] = "drive";
+  return base::FilePath(kSpecialMountPointRoot)
+      .AppendASCII(net::EscapeQueryParamValue(
+          kDriveMountPointNameBase +
+              (user_id_hash.empty() ? "" : "-" + user_id_hash),
+          false));
+}
+
+bool IsUnderDriveMountPoint(const base::FilePath& path) {
+  return !ExtractDrivePath(path).empty();
+}
+
+base::FilePath ExtractDrivePath(const base::FilePath& path) {
+  std::vector<base::FilePath::StringType> components;
+  path.GetComponents(&components);
+  if (components.size() < 3)
+    return base::FilePath();
+  if (components[0] != FILE_PATH_LITERAL("/"))
+    return base::FilePath();
+  if (components[1] != FILE_PATH_LITERAL("special"))
+    return base::FilePath();
+  static const base::FilePath::CharType kPrefix[] = FILE_PATH_LITERAL("drive");
+  if (components[2].compare(0, arraysize(kPrefix) - 1, kPrefix) != 0)
+    return base::FilePath();
+
+  base::FilePath drive_path = GetDriveGrandRootPath();
+  for (size_t i = 3; i < components.size(); ++i)
+    drive_path = drive_path.Append(components[i]);
+  return drive_path;
+}
+
 FileSystemInterface* GetFileSystemByProfile(Profile* profile) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   DriveIntegrationService* integration_service =
       GetIntegrationServiceByProfile(profile);
   return integration_service ? integration_service->file_system() : NULL;
 }
 
 FileSystemInterface* GetFileSystemByProfileId(void* profile_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
@@ skipping 122 matching lines @@
   const bool disable_sync_over_celluar =
       profile->GetPrefs()->GetBoolean(prefs::kDisableDriveOverCellular);
 
   if (is_connection_cellular && disable_sync_over_celluar)
     return DRIVE_CONNECTED_METERED;
   return DRIVE_CONNECTED;
 }
 
 }  // namespace util
 }  // namespace drive