uninstall_app_task.cc revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
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/sync_file_system/drive_backend/drive_backend_constants.h"
12#include "chrome/browser/sync_file_system/drive_backend/drive_backend_util.h"
13#include "chrome/browser/sync_file_system/drive_backend/metadata_database.h"
14#include "chrome/browser/sync_file_system/drive_backend/metadata_database.pb.h"
15#include "chrome/browser/sync_file_system/drive_backend/sync_engine_context.h"
16#include "chrome/browser/sync_file_system/drive_backend/tracker_set.h"
17#include "chrome/browser/sync_file_system/syncable_file_system_util.h"
18#include "google_apis/drive/drive_api_parser.h"
19#include "google_apis/drive/gdata_wapi_parser.h"
20
21namespace sync_file_system {
22namespace drive_backend {
23
24UninstallAppTask::UninstallAppTask(SyncEngineContext* sync_context,
25                                   const std::string& app_id,
26                                   UninstallFlag uninstall_flag)
27    : sync_context_(sync_context),
28      app_id_(app_id),
29      uninstall_flag_(uninstall_flag),
30      app_root_tracker_id_(0),
31      weak_ptr_factory_(this) {
32}
33
34UninstallAppTask::~UninstallAppTask() {
35}
36
37void UninstallAppTask::Run(const SyncStatusCallback& callback) {
38  if (!IsContextReady()) {
39    RunSoon(FROM_HERE, base::Bind(callback, SYNC_STATUS_FAILED));
40    return;
41  }
42
43  if (uninstall_flag_ == RemoteFileSyncService::UNINSTALL_AND_KEEP_REMOTE) {
44    metadata_database()->UnregisterApp(app_id_, callback);
45    return;
46  }
47  DCHECK_EQ(RemoteFileSyncService::UNINSTALL_AND_PURGE_REMOTE, uninstall_flag_);
48
49  int64 sync_root_tracker_id = metadata_database()->GetSyncRootTrackerID();
50  TrackerSet trackers;
51  if (!metadata_database()->FindTrackersByParentAndTitle(
52          sync_root_tracker_id, app_id_, &trackers) ||
53      !trackers.has_active()) {
54    RunSoon(FROM_HERE, base::Bind(callback, SYNC_STATUS_OK));
55    return;
56  }
57
58  FileTracker* app_root_tracker = trackers.active_tracker();
59  app_root_tracker_id_ = app_root_tracker->tracker_id();
60  DCHECK(app_root_tracker->has_synced_details());
61
62  drive_service()->DeleteResource(
63      app_root_tracker->file_id(),
64      std::string(),  // etag
65      base::Bind(&UninstallAppTask::DidDeleteAppRoot,
66                 weak_ptr_factory_.GetWeakPtr(),
67                 callback,
68                 metadata_database()->GetLargestKnownChangeID()));
69}
70
71void UninstallAppTask::DidDeleteAppRoot(const SyncStatusCallback& callback,
72                                        int64 change_id,
73                                        google_apis::GDataErrorCode error) {
74  SyncStatusCode status = GDataErrorCodeToSyncStatusCode(error);
75  if (status != SYNC_STATUS_OK &&
76      error != google_apis::HTTP_NOT_FOUND) {
77    callback.Run(SYNC_STATUS_FAILED);
78    return;
79  }
80
81  metadata_database()->UnregisterApp(app_id_, callback);
82}
83
84bool UninstallAppTask::IsContextReady() {
85  return sync_context_->GetMetadataDatabase() &&
86      sync_context_->GetDriveService();
87}
88
89MetadataDatabase* UninstallAppTask::metadata_database() {
90  return sync_context_->GetMetadataDatabase();
91}
92
93drive::DriveServiceInterface* UninstallAppTask::drive_service() {
94  set_used_network(true);
95  return sync_context_->GetDriveService();
96}
97
98}  // namespace drive_backend
99}  // namespace sync_file_system
100