Add Drive API parser for About/Apps json

chrome/browser/chromeos/gdata/drive_api_parser.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_PARSER_H_
+#define CHROME_BROWSER_CHROMEOS_GDATA_DRIVE_API_PARSER_H_
+
+#include <string>
+#include <vector>
+
+#include "base/compiler_specific.h"
+#include "base/gtest_prod_util.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/scoped_vector.h"
+#include "base/string_piece.h"
+#include "base/time.h"
+#include "googleurl/src/gurl.h"
+
+namespace base {
+class Value;
+template <class StructType>
+class JSONValueConverter;
+
+namespace internal {
+template <class NestedType>
+class RepeatedMessageConverter;
+}  // namespace internal
+}  // namespace base
+
+// TODO(kochi): Rename to namespace drive. http://crbug.com/136371
+namespace gdata {
+
+// About resource represents the account information about the current user.
+// https://developers.google.com/drive/v2/reference/about
+class AboutResource {
+ public:
+  ~AboutResource();
+
+  // Registers the mapping between JSON field names and the members in this
+  // class.
+  static void RegisterJSONConverter(
+      base::JSONValueConverter<AboutResource>* converter);
+
+  // Creates about resource from parsed JSON.
+  static scoped_ptr<AboutResource> CreateFrom(const base::Value& value);
+
+  // Returns root folder ID.
+  const std::string& root_folder_id() const { return root_folder_id_; }
+  // Returns total number of quta bytes.
+  int64 quota_bytes_total() const { return quota_bytes_total_; }
+  // Returns the number of quota bytes used.
+  int64 quota_bytes_used() const { return quota_bytes_used_; }
+  // Returns the largest change ID number.
+  int64 largest_change_id() const { return largest_change_id_; }
+
+ private:
+  friend class DriveAPIParserTest;
+  FRIEND_TEST_ALL_PREFIXES(DriveAPIParserTest, AboutResourceParser);
+  AboutResource();
+
+  // Parses and initializes data members from content of |value|.
+  // Return false if parsing fails.
+  bool Parse(const base::Value& value);
+
+  std::string root_folder_id_;
+  int64 quota_bytes_total_;
+  int64 quota_bytes_used_;
+  int64 largest_change_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(AboutResource);
+};
+
+// DriveAppIcon represents an icon for Drive Application.
+// https://developers.google.com/drive/v2/reference/apps/list
+class DriveAppIcon {
+ public:
+  enum IconCategory {
+    UNKNOWN,         // Uninitialized state
+    DOCUMENT,        // Document icon for various MIME types
+    APPLICATION,     // Application icon for various MIME types
+    SHARED_DOCUMENT, // Icon for documents that are shared from other users.
+  };
+
+  ~DriveAppIcon();
+
+  // Registers the mapping between JSON field names and the members in this
+  // class.
+  static void RegisterJSONConverter(
+      base::JSONValueConverter<DriveAppIcon>* converter);
+
+  // Creates drive app icon instance from parsed JSON.
+  static scoped_ptr<DriveAppIcon> CreateFrom(const base::Value& value);
+
+  // Category of the icon.
+  IconCategory category() const { return category_; }
+
+  // Size in pixels of one side of the icon (icons are always square).
+  const int icon_side_length() const { return icon_side_length_; }
+
+  // Returns URL for this icon.
+  const GURL& icon_url() const { return icon_url_; }
+
+ private:
+  // Parses and initializes data members from content of |value|.
+  // Return false if parsing fails.
+  bool Parse(const base::Value& value);
+
+  // Extracts the icon category from the given string. Returns false and does
+  // not change |result| when |scheme| has an unrecognizable value.
+  static bool GetIconCategory(const base::StringPiece& category,
+                              IconCategory* result);
+
+  friend class base::internal::RepeatedMessageConverter<DriveAppIcon>;
+  friend class AppResource;
+  DriveAppIcon();
+
+  IconCategory category_;
+  int icon_side_length_;
+  GURL icon_url_;
+
+  DISALLOW_COPY_AND_ASSIGN(DriveAppIcon);
+};
+
+// AppResource represents a Drive Application.
+// https://developers.google.com/drive/v2/reference/apps/list
+class AppResource {
+ public:
+  ~AppResource();
+
+  // Registers the mapping between JSON field names and the members in this
+  // class.
+  static void RegisterJSONConverter(
+      base::JSONValueConverter<AppResource>* converter);
+
+  // Creates app resource from parsed JSON.
+  static scoped_ptr<AppResource> CreateFrom(const base::Value& value);
+
+  // Returns application ID, which is 12-digit decimals (e.g. "123456780123").
+  const std::string& id() const { return id_; }
+
+  // Returns application name.
+  const std::string& name() const { return name_; }
+
+  // Returns the name of the type of object this application creates.
+  // This can be any string.  TODO(kochi): figure out how to use this value.
+  const std::string& object_type() const { return object_type_; }
+
+  // Returns whether this application suuports creating new objects.
+  bool supports_create() const { return supports_create_; }
+
+  // Returns whether this application supports importing Google Docs.
+  bool supports_import() const { return supports_import_; }
+
+  // Returns whether this application is installed.
+  bool is_installed() const { return installed_; }
+
+  // Returns whether this application is authorized to access data on the
+  // user's Drive.
+  bool is_authorized() const { return authorized_; }
+
+  // Returns the product URL, e.g. at Chrmoe Web Store.
+  const GURL& product_url() const { return product_url_; }
+
+  // List of primary mime types supported by this WebApp. Primary status should
+  // trigger this WebApp becoming the default handler of file instances that
+  // have these mime types.
+  const ScopedVector<std::string>& primary_mimetypes() const {
+    return primary_mimetypes_;
+  }
+
+  // List of secondary mime types supported by this WebApp. Secondary status
+  // should make this WebApp show up in "Open with..." pop-up menu of the
+  // default action menu for file with matching mime types.
+  const ScopedVector<std::string>& secondary_mimetypes() const {
+    return secondary_mimetypes_;
+  }
+
+  // List of primary file extensions supported by this WebApp. Primary status
+  // should trigger this WebApp becoming the default handler of file instances
+  // that match these extensions.
+  const ScopedVector<std::string>& primary_file_extensions() const {
+    return primary_file_extensions_;
+  }
+
+  // List of secondary file extensions supported by this WebApp. Secondary
+  // status should make this WebApp show up in "Open with..." pop-up menu of the
+  // default action menu for file with matching extensions.
+  const ScopedVector<std::string>& secondary_file_extensions() const {
+    return secondary_file_extensions_;
+  }
+
+  // Returns Icons for this application.  An application can have multiple
+  // icons for different purpose (application, document, shared document)
+  // in several sizes.
+  const ScopedVector<DriveAppIcon>& icons() const {
+    return icons_;
+  }
+
+ private:
+  friend class base::internal::RepeatedMessageConverter<AppResource>;
+  friend class AppList;
+  AppResource();
+
+  // Parses and initializes data members from content of |value|.
+  // Return false if parsing fails.
+  bool Parse(const base::Value& value);
+
+  std::string id_;
+  std::string name_;
+  std::string object_type_;
+  bool supports_create_;
+  bool supports_import_;
+  bool installed_;
+  bool authorized_;
+  GURL product_url_;
+  ScopedVector<std::string> primary_mimetypes_;
+  ScopedVector<std::string> secondary_mimetypes_;
+  ScopedVector<std::string> primary_file_extensions_;
+  ScopedVector<std::string> secondary_file_extensions_;
+  ScopedVector<DriveAppIcon> icons_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppResource);
+};
+
+// AppList represents a list of Drive Applications.
+// https://developers.google.com/drive/v2/reference/apps/list
+class AppList {
+ public:
+  ~AppList();
+
+  // Registers the mapping between JSON field names and the members in this
+  // class.
+  static void RegisterJSONConverter(
+      base::JSONValueConverter<AppList>* converter);
+
+  // Creates app list from parsed JSON.
+  static scoped_ptr<AppList> CreateFrom(const base::Value& value);
+
+  // ETag for this resource.
+  const std::string& etag() const { return etag_; }
+
+  // Returns a vector of applications.
+  const ScopedVector<AppResource>& items() const { return items_; }
+
+ private:
+  friend class DriveAPIParserTest;
+  FRIEND_TEST_ALL_PREFIXES(DriveAPIParserTest, AppListParser);
+  AppList();
+
+  // Parses and initializes data members from content of |value|.
+  // Return false if parsing fails.
+  bool Parse(const base::Value& value);
+
+  std::string etag_;
+  ScopedVector<AppResource> items_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppList);
+};
+
+}  // namespace gdata
+
+#endif  // CHROME_BROWSER_CHROMEOS_GDATA_DRIVE_API_PARSER_H_