src/chrome/browser/sync_file_system/drive_backend/uninstall_app_task.cc

   1 // Copyright 2013 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 #include "chrome/browser/sync_file_system/drive_backend/uninstall_app_task.h"
   6
   7 #include "base/bind.h"
   8 #include "base/location.h"
   9 #include "chrome/browser/drive/drive_api_util.h"
  10 #include "chrome/browser/drive/drive_service_interface.h"
  11 #include "chrome/browser/google_apis/drive_api_parser.h"
  12 #include "chrome/browser/google_apis/gdata_wapi_parser.h"
  13 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_constants.h"
  14 #include "chrome/browser/sync_file_system/drive_backend/metadata_database.h"
  15 #include "chrome/browser/sync_file_system/drive_backend/metadata_database.pb.h"
  16 #include "chrome/browser/sync_file_system/drive_backend/sync_engine_context.h"
  17 #include "chrome/browser/sync_file_system/drive_backend/tracker_set.h"
  18 #include "chrome/browser/sync_file_system/syncable_file_system_util.h"
  19
  20 namespace sync_file_system {
  21 namespace drive_backend {
  22
  23 UninstallAppTask::UninstallAppTask(SyncEngineContext* sync_context,
  24                                    const std::string& app_id,
  25                                    UninstallFlag uninstall_flag)
  26     : sync_context_(sync_context),
  27       app_id_(app_id),
  28       uninstall_flag_(uninstall_flag),
  29       app_root_tracker_id_(0),
  30       weak_ptr_factory_(this) {
  31 }
  32
  33 UninstallAppTask::~UninstallAppTask() {
  34 }
  35
  36 void UninstallAppTask::Run(const SyncStatusCallback& callback) {
  37   if (!metadata_database() || !drive_service()) {
  38     RunSoon(FROM_HERE, base::Bind(callback, SYNC_STATUS_FAILED));
  39     return;
  40   }
  41
  42   if (uninstall_flag_ == RemoteFileSyncService::UNINSTALL_AND_KEEP_REMOTE) {
  43     metadata_database()->UnregisterApp(app_id_, callback);
  44     return;
  45   }
  46   DCHECK_EQ(RemoteFileSyncService::UNINSTALL_AND_PURGE_REMOTE, uninstall_flag_);
  47
  48   int64 sync_root_tracker_id = metadata_database()->GetSyncRootTrackerID();
  49   TrackerSet trackers;
  50   if (!metadata_database()->FindTrackersByParentAndTitle(
  51           sync_root_tracker_id, app_id_, &trackers) ||
  52       !trackers.has_active()) {
  53     RunSoon(FROM_HERE, base::Bind(callback, SYNC_STATUS_OK));
  54     return;
  55   }
  56
  57   FileTracker* app_root_tracker = trackers.active_tracker();
  58   app_root_tracker_id_ = app_root_tracker->tracker_id();
  59   DCHECK(app_root_tracker->has_synced_details());
  60
  61   drive_service()->DeleteResource(
  62       app_root_tracker->file_id(),
  63       std::string(),  // etag
  64       base::Bind(&UninstallAppTask::DidDeleteAppRoot,
  65                  weak_ptr_factory_.GetWeakPtr(),
  66                  callback,
  67                  metadata_database()->GetLargestChangeID()));
  68 }
  69
  70 void UninstallAppTask::DidDeleteAppRoot(const SyncStatusCallback& callback,
  71                                         int64 change_id,
  72                                         google_apis::GDataErrorCode error) {
  73   if (error != google_apis::HTTP_SUCCESS &&
  74       error != google_apis::HTTP_NOT_FOUND) {
  75     callback.Run(SYNC_STATUS_FAILED);
  76     return;
  77   }
  78
  79   metadata_database()->UnregisterApp(app_id_, callback);
  80 }
  81
  82 MetadataDatabase* UninstallAppTask::metadata_database() {
  83   return sync_context_->GetMetadataDatabase();
  84 }
  85
  86 drive::DriveServiceInterface* UninstallAppTask::drive_service() {
  87   return sync_context_->GetDriveService();
  88 }
  89
  90 }  // namespace drive_backend
  91 }  // namespace sync_file_system