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

chrome/browser/drive/drive_app_registry.h

-// Copyright 2014 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_APP_REGISTRY_H_
-#define CHROME_BROWSER_DRIVE_DRIVE_APP_REGISTRY_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/callback_forward.h"
-#include "base/files/file_path.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "base/threading/thread_checker.h"
-#include "google_apis/drive/drive_api_error_codes.h"
-#include "url/gurl.h"
-
-namespace google_apis {
-class AppList;
-}  // namespace google_apis
-
-namespace drive {
-
-class DriveAppRegistryObserver;
-class DriveServiceInterface;
-
-// Data structure that defines Drive app. See
-// https://chrome.google.com/webstore/category/collection/drive_apps for
-// Drive apps available on the webstore.
-struct DriveAppInfo {
-  typedef std::vector<std::pair<int, GURL> > IconList;
-
-  DriveAppInfo();
-  DriveAppInfo(const std::string& app_id,
-               const std::string& product_id,
-               const IconList& app_icons,
-               const IconList& document_icons,
-               const std::string& app_name,
-               const GURL& create_url,
-               bool is_removable);
-  ~DriveAppInfo();
-
-  // Drive app id.
-  std::string app_id;
-  // Drive app's product id. This is different from app id that is used inside
-  // Drive. Product id is an id for the app in webstore; hence, it can be used
-  // for identifying the same app install as Chrome extension and as Drive app
-  // at the same time.
-  std::string product_id;
-  // Drive application icon URLs for this app, paired with their size (length of
-  // a side in pixels).
-  IconList app_icons;
-  // Drive document icon URLs for this app, paired with their size (length of
-  // a side in pixels).
-  IconList document_icons;
-  // App name.
-  std::string app_name;
-  // URL for opening a new file in the app. Empty if the app does not support
-  // new file creation.
-  GURL create_url;
-  // Returns if UninstallApp() is allowed for the app. Built-in apps have this
-  // field set false.
-  bool is_removable;
-};
-
-// Callback type for UninstallApp().
-typedef base::Callback<void(google_apis::DriveApiErrorCode)> UninstallCallback;
-
-// Keeps the track of installed drive applications in-memory.
-class DriveAppRegistry {
- public:
-  explicit DriveAppRegistry(DriveServiceInterface* scheduler);
-  ~DriveAppRegistry();
-
-  // Returns a list of Drive app information for the |file_extension| with
-  // |mime_type|.
-  void GetAppsForFile(const base::FilePath::StringType& file_extension,
-                      const std::string& mime_type,
-                      std::vector<DriveAppInfo>* apps) const;
-
-  // Returns the list of all Drive apps installed.
-  void GetAppList(std::vector<DriveAppInfo>* apps) const;
-
-  // Uninstalls the app specified by |app_id|. This method sends requests to the
-  // remote server, and returns the result to |callback| asynchronously. When
-  // succeeded, the callback receives HTTP_NO_CONTENT, and error code otherwise.
-  // |callback| must not be null.
-  void UninstallApp(const std::string& app_id,
-                    const UninstallCallback& callback);
-
-  // Checks whether UinstallApp is supported. The feature is available only for
-  // clients with whitelisted API keys (like Official Google Chrome build).
-  static bool IsAppUninstallSupported();
-
-  // Updates this registry by fetching the data from the server.
-  void Update();
-
-  // Updates this registry from the |app_list|.
-  void UpdateFromAppList(const google_apis::AppList& app_list);
-
-  void AddObserver(DriveAppRegistryObserver* observer);
-  void RemoveObserver(DriveAppRegistryObserver* observer);
-
- private:
-  // Part of Update(). Runs upon the completion of fetching the Drive apps
-  // data from the server.
-  void UpdateAfterGetAppList(google_apis::DriveApiErrorCode gdata_error,
-                             scoped_ptr<google_apis::AppList> app_list);
-
-  // Part of UninstallApp(). Receives the response from the server.
-  void OnAppUninstalled(const std::string& app_id,
-                        const UninstallCallback& callback,
-                        google_apis::DriveApiErrorCode error);
-
-  // The class is expected to run on UI thread.
-  base::ThreadChecker thread_checker_;
-
-  // Map of application id to each app's info.
-  std::map<std::string, DriveAppInfo> all_apps_;
-
-  // Defines mapping between file content type selectors (extensions, MIME
-  // types) and corresponding app.
-  typedef std::multimap<std::string, std::string> DriveAppFileSelectorMap;
-  DriveAppFileSelectorMap extension_map_;
-  DriveAppFileSelectorMap mimetype_map_;
-
-  DriveServiceInterface* drive_service_;
-
-  bool is_updating_;
-
-  base::ObserverList<DriveAppRegistryObserver> observers_;
-
-  // Note: This should remain the last member so it'll be destroyed and
-  // invalidate the weak pointers before any other members are destroyed.
-  base::WeakPtrFactory<DriveAppRegistry> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(DriveAppRegistry);
-};
-
-namespace util {
-
-// The preferred icon size, which should usually be used for FindPreferredIcon;
-const int kPreferredIconSize = 16;
-
-// Finds an icon in the list of icons. If unable to find an icon of the exact
-// size requested, returns one with the next larger size. If all icons are
-// smaller than the preferred size, we'll return the largest one available.
-// Icons do not have to be sorted by the icon size. If there are no icons in
-// the list, returns an empty URL.
-GURL FindPreferredIcon(const DriveAppInfo::IconList& icons,
-                       int preferred_size);
-
-}  // namespace util
-
-}  // namespace drive
-
-#endif  // CHROME_BROWSER_DRIVE_DRIVE_APP_REGISTRY_H_