Cleanup: separate WAPI and Drive API code in gdata_documents_service.

chrome/browser/chromeos/gdata/drive_api_service.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_CHROMEOS_GDATA_DRIVE_API_SERVICE_H_
+#define CHROME_BROWSER_CHROMEOS_GDATA_DRIVE_API_SERVICE_H_
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "chrome/browser/chromeos/gdata/documents_service_interface.h"
+#include "chrome/browser/chromeos/gdata/gdata_operations.h"
+#include "chrome/browser/chromeos/gdata/gdata_auth_service.h"
+#include "chrome/browser/chromeos/gdata/gdata_errorcode.h"
+
+class FilePath;
+class GURL;
+class Profile;
+
+namespace gdata {
+
+class GDataOperationRunner;
+
+// This class provides documents feed service calls for Drive V2 API.
+// Details of API call are abstracted in each operation class and this class
+// works as a thin wrapper for the API.
+class DriveAPIService : public DocumentsServiceInterface {
+ public:
+  // Instance is usually created by GDataSystemServiceFactory and owned by
+  // GDataFileSystem.
+  DriveAPIService();
+  virtual ~DriveAPIService();
+
+  // DocumentsServiceInterface Overrides
+  virtual void Initialize(Profile* profile) OVERRIDE;
+  virtual GDataOperationRegistry* operation_registry() const OVERRIDE;
+  virtual void CancelAll() OVERRIDE;
+  virtual void Authenticate(const AuthStatusCallback& callback) OVERRIDE;
+  virtual bool HasAccessToken() const OVERRIDE;
+  virtual bool HasRefreshToken() const OVERRIDE;
+  virtual void GetDocuments(const GURL& feed_url,
+                            int64 start_changestamp,
+                            const std::string& search_query,
+                            const std::string& directory_resource_id,
+                            const GetDataCallback& callback) OVERRIDE;
+  virtual void GetDocumentEntry(const std::string& resource_id,
+                                const GetDataCallback& callback) OVERRIDE;
+
+  virtual void GetAccountMetadata(const GetDataCallback& callback) OVERRIDE;
+  virtual void GetApplicationInfo(const GetDataCallback& callback) OVERRIDE;
+  virtual void DeleteDocument(const GURL& document_url,
+                              const EntryActionCallback& callback) OVERRIDE;
+  virtual void DownloadDocument(
+      const FilePath& virtual_path,
+      const FilePath& local_cache_path,
+      const GURL& content_url,
+      DocumentExportFormat format,
+      const DownloadActionCallback& callback) OVERRIDE;
+  virtual void DownloadFile(
+      const FilePath& virtual_path,
+      const FilePath& local_cache_path,
+      const GURL& content_url,
+      const DownloadActionCallback& download_action_callback,
+      const GetContentCallback& get_content_callback) OVERRIDE;
+  virtual void CopyDocument(const std::string& resource_id,
+                            const FilePath::StringType& new_name,
+                            const GetDataCallback& callback) OVERRIDE;
+  virtual void RenameResource(const GURL& document_url,
+                              const FilePath::StringType& new_name,
+                              const EntryActionCallback& callback) OVERRIDE;
+  virtual void AddResourceToDirectory(
+      const GURL& parent_content_url,
+      const GURL& resource_url,
+      const EntryActionCallback& callback) OVERRIDE;
+  virtual void RemoveResourceFromDirectory(
+      const GURL& parent_content_url,
+      const GURL& resource_url,
+      const std::string& resource_id,
+      const EntryActionCallback& callback) OVERRIDE;
+  virtual void CreateDirectory(const GURL& parent_content_url,
+                               const FilePath::StringType& directory_name,
+                               const GetDataCallback& callback) OVERRIDE;
+  virtual void InitiateUpload(const InitiateUploadParams& params,
+                              const InitiateUploadCallback& callback) OVERRIDE;
+  virtual void ResumeUpload(const ResumeUploadParams& params,
+                            const ResumeUploadCallback& callback) OVERRIDE;
+  virtual void AuthorizeApp(const GURL& resource_url,
+                            const std::string& app_id,
+                            const GetDataCallback& callback) OVERRIDE;
+
+ private:
+  // Fetches a changelist from |url| with |start_changestamp|, using Drive V2
+  // API. If this URL is empty the call will use the default URL. Specify |url|
+  // when pagenated request should be issued.
+  // |start_changestamp| specifies the starting point of change list or 0 if
+  // all changes are necessary.
+  // Upon completion, invokes |callback| with results on calling thread.
+  virtual void GetChangelist(const GURL& url,
+                             int64 start_changestamp,
+                             const GetDataCallback& callback);
+
+  // Fetches a filelist from |url| with |search_query|, using Drive V2 API. If
+  // this URL is empty the call will use the default URL. Specify |url| when
+  // pagenated request should be issued.
+  // |search_query| specifies query string, whose syntax is described at
+  // https://developers.google.com/drive/search-parameters
+  virtual void GetFilelist(const GURL& url,
+                           const std::string& search_query,
+                           const GetDataCallback& callback);
+
+  Profile* profile_;
+  scoped_ptr<GDataOperationRunner> runner_;
+
+  DISALLOW_COPY_AND_ASSIGN(DriveAPIService);
+};
+
+}  // namespace gdata
+
+#endif  // CHROME_BROWSER_CHROMEOS_GDATA_DRIVE_API_SERVICE_H_