Implement DriveAppRegistry::UninstallApp() and GetAppList().

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 "google_apis/drive/gdata_errorcode.h"
 #include "google_apis/drive/gdata_wapi_parser.h"
 #include "url/gurl.h"
 
 namespace google_apis {
 class AppList;
 }  // namespace google_apis
@@ skipping 22 matching lines @@
   // Drive document icon URLs for this app, paired with their size (length of
   // a side in pixels).
   google_apis::InstalledApp::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;
 };
 
+// Callback type for UninstallApp().
+typedef base::Callback<void(google_apis::GDataErrorCode)> 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.
+  // |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);
 
  private:
   // Part of Update(). Runs upon the completion of fetching the Drive apps
   // data from the server.
   void UpdateAfterGetAppList(google_apis::GDataErrorCode 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::GDataErrorCode error);
+
   // 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_;
@@ skipping 17 matching lines @@
 // 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 google_apis::InstalledApp::IconList& icons,
                        int preferred_size);
 
 }  // namespace util
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_DRIVE_DRIVE_APP_REGISTRY_H_