Move (most of) chrome/browser/drive into components/drive/service.

chrome/browser/drive/drive_api_util.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.
-
-#ifndef CHROME_BROWSER_DRIVE_DRIVE_API_UTIL_H_
-#define CHROME_BROWSER_DRIVE_DRIVE_API_UTIL_H_
-
-#include <string>
-
-#include "base/md5.h"
-#include "base/memory/scoped_ptr.h"
-#include "google_apis/drive/drive_api_error_codes.h"
-#include "google_apis/drive/drive_common_callbacks.h"
-
-class GURL;
-
-namespace base {
-class CancellationFlag;
-class FilePath;
-class Value;
-}  // namespace base
-
-namespace google_apis {
-class ChangeList;
-class ChangeResource;
-class FileList;
-class FileResource;
-class ResourceEntry;
-}  // namespace google_apis
-
-namespace net {
-class IOBuffer;
-}  // namespace net
-
-namespace storage {
-class FileStreamReader;
-}  // namespace storage
-
-namespace drive {
-namespace util {
-
-// Google Apps MIME types:
-const char kGoogleDocumentMimeType[] = "application/vnd.google-apps.document";
-const char kGoogleDrawingMimeType[] = "application/vnd.google-apps.drawing";
-const char kGooglePresentationMimeType[] =
-    "application/vnd.google-apps.presentation";
-const char kGoogleSpreadsheetMimeType[] =
-    "application/vnd.google-apps.spreadsheet";
-const char kGoogleTableMimeType[] = "application/vnd.google-apps.table";
-const char kGoogleFormMimeType[] = "application/vnd.google-apps.form";
-const char kGoogleMapMimeType[] = "application/vnd.google-apps.map";
-const char kDriveFolderMimeType[] = "application/vnd.google-apps.folder";
-
-// Escapes ' to \' in the |str|. This is designed to use for string value of
-// search parameter on Drive API v2.
-// See also: https://developers.google.com/drive/search-parameters
-std::string EscapeQueryStringValue(const std::string& str);
-
-// Parses the query, and builds a search query for Drive API v2.
-// This only supports:
-//   Regular query (e.g. dog => fullText contains 'dog')
-//   Conjunctions
-//     (e.g. dog cat => fullText contains 'dog' and fullText contains 'cat')
-//   Exclusion query (e.g. -cat => not fullText contains 'cat').
-//   Quoted query (e.g. "dog cat" => fullText contains 'dog cat').
-// See also: https://developers.google.com/drive/search-parameters
-std::string TranslateQuery(const std::string& original_query);
-
-// If |resource_id| is in the old resource ID format used by WAPI, converts it
-// into the new format.
-std::string CanonicalizeResourceId(const std::string& resource_id);
-
-// Returns the (base-16 encoded) MD5 digest of the file content at |file_path|,
-// or an empty string if an error is found.
-std::string GetMd5Digest(const base::FilePath& file_path,
-                         const base::CancellationFlag* cancellation_flag);
-
-// Computes the (base-16 encoded) MD5 digest of data extracted from a file
-// stream.
-class FileStreamMd5Digester {
- public:
-  typedef base::Callback<void(const std::string&)> ResultCallback;
-
-  FileStreamMd5Digester();
-  ~FileStreamMd5Digester();
-
-  // Computes an MD5 digest of data read from the given |streamReader|.  The
-  // work occurs asynchronously, and the resulting hash is returned via the
-  // |callback|.  If an error occurs, |callback| is called with an empty string.
-  // Only one stream can be processed at a time by each digester.  Do not call
-  // GetMd5Digest before the results of a previous call have been returned.
-  void GetMd5Digest(scoped_ptr<storage::FileStreamReader> stream_reader,
-                    const ResultCallback& callback);
-
- private:
-  // Kicks off a read of the next chunk from the stream.
-  void ReadNextChunk(const ResultCallback& callback);
-  // Handles the incoming chunk of data from a stream read.
-  void OnChunkRead(const ResultCallback& callback, int bytes_read);
-
-  // Maximum chunk size for read operations.
-  scoped_ptr<storage::FileStreamReader> reader_;
-  scoped_refptr<net::IOBuffer> buffer_;
-  base::MD5Context md5_context_;
-
-  DISALLOW_COPY_AND_ASSIGN(FileStreamMd5Digester);
-};
-
-// Returns preferred file extension for hosted documents which have given mime
-// type.
-std::string GetHostedDocumentExtension(const std::string& mime_type);
-
-// Returns true if the given mime type is corresponding to one of known hosted
-// document types.
-bool IsKnownHostedDocumentMimeType(const std::string& mime_type);
-
-// Returns true if the given file path has an extension corresponding to one of
-// hosted document types.
-bool HasHostedDocumentExtension(const base::FilePath& path);
-
-}  // namespace util
-}  // namespace drive
-
-#endif  // CHROME_BROWSER_DRIVE_DRIVE_API_UTIL_H_