chrome/browser/chromeos/drive/file_task_executor.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_FILE_TASK_EXECUTOR_H_
   6 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_TASK_EXECUTOR_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/callback.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "chrome/browser/chromeos/drive/file_errors.h"
  14 #include "chrome/browser/chromeos/file_manager/file_tasks.h"
  15 #include "google_apis/drive/drive_api_error_codes.h"
  16
  17 namespace drive {
  18
  19 class DriveServiceInterface;
  20 class FileSystemInterface;
  21 class ResourceEntry;
  22
  23 // Delegate class for hooking fake instances and behaviors for testing.
  24 class FileTaskExecutorDelegate {
  25  public:
  26   virtual ~FileTaskExecutorDelegate() {}
  27
  28   virtual FileSystemInterface* GetFileSystem() = 0;
  29   virtual DriveServiceInterface* GetDriveService() = 0;
  30   virtual void OpenBrowserWindow(const GURL& open_link) = 0;
  31 };
  32
  33 // This class implements an "executor" class that will execute tasks for
  34 // third party Drive apps that store data in Drive itself.  To do that, it
  35 // needs to find the file resource IDs and pass them to a server-side function
  36 // that will authorize the app to open the given document and return a URL
  37 // for opening the document in that app directly.
  38 class FileTaskExecutor {
  39  public:
  40   // Creates FileTaskExecutor with delegate derived from |profile|. Used in
  41   // product environment.
  42   FileTaskExecutor(Profile* profile, const std::string& app_id);
  43
  44   // Creates FileTaskExecutor with a specific delegate.
  45   FileTaskExecutor(scoped_ptr<FileTaskExecutorDelegate> delegate,
  46                    const std::string& app_id);
  47
  48   // Executes file tasks, runs |done| and deletes |this|.
  49   void Execute(const std::vector<storage::FileSystemURL>& file_urls,
  50                const file_manager::file_tasks::FileTaskFinishedCallback& done);
  51
  52  private:
  53   ~FileTaskExecutor();
  54
  55   void OnFileEntryFetched(FileError error, scoped_ptr<ResourceEntry> entry);
  56   void OnAppAuthorized(const std::string& resource_id,
  57                        google_apis::DriveApiErrorCode error,
  58                        const GURL& open_link);
  59
  60   // Calls |done_| with |success| status and deletes |this|.
  61   void Done(bool success);
  62
  63   scoped_ptr<FileTaskExecutorDelegate> delegate_;
  64   std::string app_id_;
  65   int current_index_;
  66   file_manager::file_tasks::FileTaskFinishedCallback done_;
  67
  68   base::WeakPtrFactory<FileTaskExecutor> weak_ptr_factory_;
  69 };
  70
  71 }  // namespace drive
  72
  73 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_TASK_EXECUTOR_H_