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 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
6
7 #include "base/bind.h"
8 #include "base/file_util.h"
9 #include "base/prefs/pref_change_registrar.h"
10 #include "base/prefs/pref_service.h"
11 #include "base/strings/stringprintf.h"
12 #include "base/threading/sequenced_worker_pool.h"
13 #include "chrome/browser/browser_process.h"
14 #include "chrome/browser/chromeos/drive/debug_info_collector.h"
15 #include "chrome/browser/chromeos/drive/download_handler.h"
16 #include "chrome/browser/chromeos/drive/drive_app_registry.h"
17 #include "chrome/browser/chromeos/drive/file_cache.h"
18 #include "chrome/browser/chromeos/drive/file_system.h"
19 #include "chrome/browser/chromeos/drive/file_system_util.h"
20 #include "chrome/browser/chromeos/drive/job_scheduler.h"
21 #include "chrome/browser/chromeos/drive/logging.h"
22 #include "chrome/browser/chromeos/drive/resource_metadata.h"
23 #include "chrome/browser/chromeos/drive/resource_metadata_storage.h"
24 #include "chrome/browser/chromeos/file_manager/path_util.h"
25 #include "chrome/browser/chromeos/profiles/profile_util.h"
26 #include "chrome/browser/download/download_prefs.h"
27 #include "chrome/browser/download/download_service.h"
28 #include "chrome/browser/download/download_service_factory.h"
29 #include "chrome/browser/drive/drive_api_service.h"
30 #include "chrome/browser/drive/drive_api_util.h"
31 #include "chrome/browser/drive/drive_notification_manager.h"
32 #include "chrome/browser/drive/drive_notification_manager_factory.h"
33 #include "chrome/browser/drive/gdata_wapi_service.h"
34 #include "chrome/browser/profiles/profile.h"
35 #include "chrome/browser/signin/profile_oauth2_token_service.h"
36 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
37 #include "chrome/common/chrome_version_info.h"
38 #include "chrome/common/pref_names.h"
39 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
40 #include "content/public/browser/browser_context.h"
41 #include "content/public/browser/browser_thread.h"
42 #include "google_apis/drive/auth_service.h"
43 #include "google_apis/drive/gdata_wapi_url_generator.h"
44 #include "grit/generated_resources.h"
45 #include "ui/base/l10n/l10n_util.h"
46 #include "webkit/browser/fileapi/external_mount_points.h"
47 #include "webkit/common/user_agent/user_agent_util.h"
48
49 using content::BrowserContext;
50 using content::BrowserThread;
51
52 namespace drive {
53 namespace {
54
55 // Name of the directory used to store metadata.
56 const base::FilePath::CharType kMetadataDirectory[] = FILE_PATH_LITERAL("meta");
57
58 // Name of the directory used to store cached files.
59 const base::FilePath::CharType kCacheFileDirectory[] =
60 FILE_PATH_LITERAL("files");
61
62 // Name of the directory used to store temporary files.
63 const base::FilePath::CharType kTemporaryFileDirectory[] =
64 FILE_PATH_LITERAL("tmp");
65
66 // Returns a user agent string used for communicating with the Drive backend,
67 // both WAPI and Drive API. The user agent looks like:
68 //
69 // chromedrive-<VERSION> chrome-cc/none (<OS_CPU_INFO>)
70 // chromedrive-24.0.1274.0 chrome-cc/none (CrOS x86_64 0.4.0)
71 //
72 // TODO(satorux): Move this function to somewhere else: crbug.com/151605
GetDriveUserAgent()73 std::string GetDriveUserAgent() {
74 const char kDriveClientName[] = "chromedrive";
75
76 chrome::VersionInfo version_info;
77 const std::string version = (version_info.is_valid() ?
78 version_info.Version() :
79 std::string("unknown"));
80
81 // This part is <client_name>/<version>.
82 const char kLibraryInfo[] = "chrome-cc/none";
83
84 const std::string os_cpu_info = webkit_glue::BuildOSCpuInfo();
85
86 // Add "gzip" to receive compressed data from the server.
87 // (see https://developers.google.com/drive/performance)
88 return base::StringPrintf("%s-%s %s (%s) (gzip)",
89 kDriveClientName,
90 version.c_str(),
91 kLibraryInfo,
92 os_cpu_info.c_str());
93 }
94
95 // Initializes FileCache and ResourceMetadata.
96 // Must be run on the same task runner used by |cache| and |resource_metadata|.
InitializeMetadata(const base::FilePath & cache_root_directory,internal::ResourceMetadataStorage * metadata_storage,internal::FileCache * cache,internal::ResourceMetadata * resource_metadata,const ResourceIdCanonicalizer & id_canonicalizer,const base::FilePath & downloads_directory)97 FileError InitializeMetadata(
98 const base::FilePath& cache_root_directory,
99 internal::ResourceMetadataStorage* metadata_storage,
100 internal::FileCache* cache,
101 internal::ResourceMetadata* resource_metadata,
102 const ResourceIdCanonicalizer& id_canonicalizer,
103 const base::FilePath& downloads_directory) {
104 if (!base::CreateDirectory(cache_root_directory.Append(
105 kMetadataDirectory)) ||
106 !base::CreateDirectory(cache_root_directory.Append(
107 kCacheFileDirectory)) ||
108 !base::CreateDirectory(cache_root_directory.Append(
109 kTemporaryFileDirectory))) {
110 LOG(WARNING) << "Failed to create directories.";
111 return FILE_ERROR_FAILED;
112 }
113
114 // Change permissions of cache file directory to u+rwx,og+x (711) in order to
115 // allow archive files in that directory to be mounted by cros-disks.
116 base::SetPosixFilePermissions(
117 cache_root_directory.Append(kCacheFileDirectory),
118 base::FILE_PERMISSION_USER_MASK |
119 base::FILE_PERMISSION_EXECUTE_BY_GROUP |
120 base::FILE_PERMISSION_EXECUTE_BY_OTHERS);
121
122 internal::ResourceMetadataStorage::UpgradeOldDB(
123 metadata_storage->directory_path(), id_canonicalizer);
124
125 if (!metadata_storage->Initialize()) {
126 LOG(WARNING) << "Failed to initialize the metadata storage.";
127 return FILE_ERROR_FAILED;
128 }
129
130 if (!cache->Initialize()) {
131 LOG(WARNING) << "Failed to initialize the cache.";
132 return FILE_ERROR_FAILED;
133 }
134
135 if (metadata_storage->cache_file_scan_is_needed()) {
136 // Generate unique directory name.
137 const std::string& dest_directory_name = l10n_util::GetStringUTF8(
138 IDS_FILE_BROWSER_RECOVERED_FILES_FROM_GOOGLE_DRIVE_DIRECTORY_NAME);
139 base::FilePath dest_directory = downloads_directory.Append(
140 base::FilePath::FromUTF8Unsafe(dest_directory_name));
141 for (int uniquifier = 1; base::PathExists(dest_directory); ++uniquifier) {
142 dest_directory = downloads_directory.Append(
143 base::FilePath::FromUTF8Unsafe(dest_directory_name))
144 .InsertBeforeExtensionASCII(base::StringPrintf(" (%d)", uniquifier));
145 }
146
147 internal::ResourceMetadataStorage::RecoveredCacheInfoMap
148 recovered_cache_info;
149 metadata_storage->RecoverCacheInfoFromTrashedResourceMap(
150 &recovered_cache_info);
151
152 LOG(WARNING) << "DB could not be opened for some reasons. "
153 << "Recovering cache files to " << dest_directory.value();
154 if (!cache->RecoverFilesFromCacheDirectory(dest_directory,
155 recovered_cache_info)) {
156 LOG(WARNING) << "Failed to recover cache files.";
157 return FILE_ERROR_FAILED;
158 }
159 }
160
161 FileError error = resource_metadata->Initialize();
162 LOG_IF(WARNING, error != FILE_ERROR_OK)
163 << "Failed to initialize resource metadata. " << FileErrorToString(error);
164 return error;
165 }
166
167 } // namespace
168
169 // Observes drive disable Preference's change.
170 class DriveIntegrationService::PreferenceWatcher {
171 public:
PreferenceWatcher(PrefService * pref_service)172 explicit PreferenceWatcher(PrefService* pref_service)
173 : pref_service_(pref_service),
174 integration_service_(NULL),
175 weak_ptr_factory_(this) {
176 DCHECK(pref_service);
177 pref_change_registrar_.Init(pref_service);
178 pref_change_registrar_.Add(
179 prefs::kDisableDrive,
180 base::Bind(&PreferenceWatcher::OnPreferenceChanged,
181 weak_ptr_factory_.GetWeakPtr()));
182 }
183
set_integration_service(DriveIntegrationService * integration_service)184 void set_integration_service(DriveIntegrationService* integration_service) {
185 integration_service_ = integration_service;
186 }
187
188 private:
OnPreferenceChanged()189 void OnPreferenceChanged() {
190 DCHECK(integration_service_);
191 integration_service_->SetEnabled(
192 !pref_service_->GetBoolean(prefs::kDisableDrive));
193 }
194
195 PrefService* pref_service_;
196 PrefChangeRegistrar pref_change_registrar_;
197 DriveIntegrationService* integration_service_;
198
199 base::WeakPtrFactory<PreferenceWatcher> weak_ptr_factory_;
200 DISALLOW_COPY_AND_ASSIGN(PreferenceWatcher);
201 };
202
DriveIntegrationService(Profile * profile,PreferenceWatcher * preference_watcher,DriveServiceInterface * test_drive_service,const base::FilePath & test_cache_root,FileSystemInterface * test_file_system)203 DriveIntegrationService::DriveIntegrationService(
204 Profile* profile,
205 PreferenceWatcher* preference_watcher,
206 DriveServiceInterface* test_drive_service,
207 const base::FilePath& test_cache_root,
208 FileSystemInterface* test_file_system)
209 : profile_(profile),
210 state_(NOT_INITIALIZED),
211 enabled_(false),
212 cache_root_directory_(!test_cache_root.empty() ?
213 test_cache_root : util::GetCacheRootPath(profile)),
214 weak_ptr_factory_(this) {
215 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
216
217 base::SequencedWorkerPool* blocking_pool = BrowserThread::GetBlockingPool();
218 blocking_task_runner_ = blocking_pool->GetSequencedTaskRunner(
219 blocking_pool->GetSequenceToken());
220
221 ProfileOAuth2TokenService* oauth_service =
222 ProfileOAuth2TokenServiceFactory::GetForProfile(profile);
223
224 if (test_drive_service) {
225 drive_service_.reset(test_drive_service);
226 } else if (util::IsDriveV2ApiEnabled()) {
227 drive_service_.reset(new DriveAPIService(
228 oauth_service,
229 g_browser_process->system_request_context(),
230 blocking_task_runner_.get(),
231 GURL(google_apis::DriveApiUrlGenerator::kBaseUrlForProduction),
232 GURL(google_apis::DriveApiUrlGenerator::kBaseDownloadUrlForProduction),
233 GURL(google_apis::GDataWapiUrlGenerator::kBaseUrlForProduction),
234 GetDriveUserAgent()));
235 } else {
236 drive_service_.reset(new GDataWapiService(
237 oauth_service,
238 g_browser_process->system_request_context(),
239 blocking_task_runner_.get(),
240 GURL(google_apis::GDataWapiUrlGenerator::kBaseUrlForProduction),
241 GURL(google_apis::GDataWapiUrlGenerator::kBaseDownloadUrlForProduction),
242 GetDriveUserAgent()));
243 }
244 scheduler_.reset(new JobScheduler(
245 profile_->GetPrefs(),
246 drive_service_.get(),
247 blocking_task_runner_.get()));
248 metadata_storage_.reset(new internal::ResourceMetadataStorage(
249 cache_root_directory_.Append(kMetadataDirectory),
250 blocking_task_runner_.get()));
251 cache_.reset(new internal::FileCache(
252 metadata_storage_.get(),
253 cache_root_directory_.Append(kCacheFileDirectory),
254 blocking_task_runner_.get(),
255 NULL /* free_disk_space_getter */));
256 drive_app_registry_.reset(new DriveAppRegistry(scheduler_.get()));
257
258 resource_metadata_.reset(new internal::ResourceMetadata(
259 metadata_storage_.get(), blocking_task_runner_));
260
261 file_system_.reset(
262 test_file_system ? test_file_system : new FileSystem(
263 profile_->GetPrefs(),
264 cache_.get(),
265 drive_service_.get(),
266 scheduler_.get(),
267 resource_metadata_.get(),
268 blocking_task_runner_.get(),
269 cache_root_directory_.Append(kTemporaryFileDirectory)));
270 download_handler_.reset(new DownloadHandler(file_system()));
271 debug_info_collector_.reset(
272 new DebugInfoCollector(file_system(), cache_.get(),
273 blocking_task_runner_.get()));
274
275 if (preference_watcher) {
276 preference_watcher_.reset(preference_watcher);
277 preference_watcher->set_integration_service(this);
278 }
279
280 SetEnabled(drive::util::IsDriveEnabledForProfile(profile));
281 }
282
~DriveIntegrationService()283 DriveIntegrationService::~DriveIntegrationService() {
284 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
285 }
286
Shutdown()287 void DriveIntegrationService::Shutdown() {
288 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
289
290 weak_ptr_factory_.InvalidateWeakPtrs();
291
292 DriveNotificationManager* drive_notification_manager =
293 DriveNotificationManagerFactory::GetForBrowserContext(profile_);
294 if (drive_notification_manager)
295 drive_notification_manager->RemoveObserver(this);
296
297 RemoveDriveMountPoint();
298 debug_info_collector_.reset();
299 download_handler_.reset();
300 file_system_.reset();
301 drive_app_registry_.reset();
302 scheduler_.reset();
303 drive_service_.reset();
304 }
305
SetEnabled(bool enabled)306 void DriveIntegrationService::SetEnabled(bool enabled) {
307 // If Drive is being disabled, ensure the download destination preference to
308 // be out of Drive. Do this before "Do nothing if not changed." because we
309 // want to run the check for the first SetEnabled() called in the constructor,
310 // which may be a change from false to false.
311 if (!enabled)
312 AvoidDriveAsDownloadDirecotryPreference();
313
314 // Do nothing if not changed.
315 if (enabled_ == enabled)
316 return;
317
318 if (enabled) {
319 enabled_ = true;
320 switch (state_) {
321 case NOT_INITIALIZED:
322 // If the initialization is not yet done, trigger it.
323 Initialize();
324 return;
325
326 case INITIALIZING:
327 case REMOUNTING:
328 // If the state is INITIALIZING or REMOUNTING, at the end of the
329 // process, it tries to mounting (with re-checking enabled state).
330 // Do nothing for now.
331 return;
332
333 case INITIALIZED:
334 // The integration service is already initialized. Add the mount point.
335 AddDriveMountPoint();
336 return;
337 }
338 NOTREACHED();
339 } else {
340 RemoveDriveMountPoint();
341 enabled_ = false;
342 }
343 }
344
IsMounted() const345 bool DriveIntegrationService::IsMounted() const {
346 // Look up the registered path, and just discard it.
347 // GetRegisteredPath() returns true if the path is available.
348 const base::FilePath& drive_mount_point = util::GetDriveMountPointPath();
349 base::FilePath unused;
350 return BrowserContext::GetMountPoints(profile_)->GetRegisteredPath(
351 drive_mount_point.BaseName().AsUTF8Unsafe(), &unused);
352 }
353
AddObserver(DriveIntegrationServiceObserver * observer)354 void DriveIntegrationService::AddObserver(
355 DriveIntegrationServiceObserver* observer) {
356 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
357 observers_.AddObserver(observer);
358 }
359
RemoveObserver(DriveIntegrationServiceObserver * observer)360 void DriveIntegrationService::RemoveObserver(
361 DriveIntegrationServiceObserver* observer) {
362 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
363 observers_.RemoveObserver(observer);
364 }
365
OnNotificationReceived()366 void DriveIntegrationService::OnNotificationReceived() {
367 file_system_->CheckForUpdates();
368 drive_app_registry_->Update();
369 }
370
OnPushNotificationEnabled(bool enabled)371 void DriveIntegrationService::OnPushNotificationEnabled(bool enabled) {
372 if (enabled)
373 drive_app_registry_->Update();
374
375 const char* status = (enabled ? "enabled" : "disabled");
376 util::Log(logging::LOG_INFO, "Push notification is %s", status);
377 }
378
ClearCacheAndRemountFileSystem(const base::Callback<void (bool)> & callback)379 void DriveIntegrationService::ClearCacheAndRemountFileSystem(
380 const base::Callback<void(bool)>& callback) {
381 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
382 DCHECK(!callback.is_null());
383
384 if (state_ != INITIALIZED) {
385 callback.Run(false);
386 return;
387 }
388
389 RemoveDriveMountPoint();
390
391 state_ = REMOUNTING;
392 // Reloads the Drive app registry.
393 drive_app_registry_->Update();
394 // Reloading the file system clears resource metadata and cache.
395 file_system_->Reload(base::Bind(
396 &DriveIntegrationService::AddBackDriveMountPoint,
397 weak_ptr_factory_.GetWeakPtr(),
398 callback));
399 }
400
AddBackDriveMountPoint(const base::Callback<void (bool)> & callback,FileError error)401 void DriveIntegrationService::AddBackDriveMountPoint(
402 const base::Callback<void(bool)>& callback,
403 FileError error) {
404 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
405 DCHECK(!callback.is_null());
406
407 state_ = error == FILE_ERROR_OK ? INITIALIZED : NOT_INITIALIZED;
408
409 if (error != FILE_ERROR_OK || !enabled_) {
410 // Failed to reload, or Drive was disabled during the reloading.
411 callback.Run(false);
412 return;
413 }
414
415 AddDriveMountPoint();
416 callback.Run(true);
417 }
418
AddDriveMountPoint()419 void DriveIntegrationService::AddDriveMountPoint() {
420 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
421 DCHECK_EQ(INITIALIZED, state_);
422 DCHECK(enabled_);
423
424 const base::FilePath drive_mount_point = util::GetDriveMountPointPath();
425 fileapi::ExternalMountPoints* mount_points =
426 BrowserContext::GetMountPoints(profile_);
427 DCHECK(mount_points);
428
429 bool success = mount_points->RegisterFileSystem(
430 drive_mount_point.BaseName().AsUTF8Unsafe(),
431 fileapi::kFileSystemTypeDrive,
432 fileapi::FileSystemMountOption(),
433 drive_mount_point);
434
435 if (success) {
436 util::Log(logging::LOG_INFO, "Drive mount point is added");
437 FOR_EACH_OBSERVER(DriveIntegrationServiceObserver, observers_,
438 OnFileSystemMounted());
439 }
440 }
441
RemoveDriveMountPoint()442 void DriveIntegrationService::RemoveDriveMountPoint() {
443 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
444
445 job_list()->CancelAllJobs();
446
447 FOR_EACH_OBSERVER(DriveIntegrationServiceObserver, observers_,
448 OnFileSystemBeingUnmounted());
449
450 fileapi::ExternalMountPoints* mount_points =
451 BrowserContext::GetMountPoints(profile_);
452 DCHECK(mount_points);
453
454 mount_points->RevokeFileSystem(
455 util::GetDriveMountPointPath().BaseName().AsUTF8Unsafe());
456 util::Log(logging::LOG_INFO, "Drive mount point is removed");
457 }
458
Initialize()459 void DriveIntegrationService::Initialize() {
460 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
461 DCHECK_EQ(NOT_INITIALIZED, state_);
462 DCHECK(enabled_);
463
464 state_ = INITIALIZING;
465
466 base::PostTaskAndReplyWithResult(
467 blocking_task_runner_.get(),
468 FROM_HERE,
469 base::Bind(&InitializeMetadata,
470 cache_root_directory_,
471 metadata_storage_.get(),
472 cache_.get(),
473 resource_metadata_.get(),
474 drive_service_->GetResourceIdCanonicalizer(),
475 file_manager::util::GetDownloadsFolderForProfile(profile_)),
476 base::Bind(&DriveIntegrationService::InitializeAfterMetadataInitialized,
477 weak_ptr_factory_.GetWeakPtr()));
478 }
479
InitializeAfterMetadataInitialized(FileError error)480 void DriveIntegrationService::InitializeAfterMetadataInitialized(
481 FileError error) {
482 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
483 DCHECK_EQ(INITIALIZING, state_);
484
485 drive_service_->Initialize(
486 ProfileOAuth2TokenServiceFactory::GetForProfile(profile_)->
487 GetPrimaryAccountId());
488
489 if (error != FILE_ERROR_OK) {
490 LOG(WARNING) << "Failed to initialize: " << FileErrorToString(error);
491
492 // Cannot used Drive. Set the download destination preference out of Drive.
493 AvoidDriveAsDownloadDirecotryPreference();
494
495 // Back to NOT_INITIALIZED state. Then, re-running Initialize() should
496 // work if the error is recoverable manually (such as out of disk space).
497 state_ = NOT_INITIALIZED;
498 return;
499 }
500
501 content::DownloadManager* download_manager =
502 g_browser_process->download_status_updater() ?
503 BrowserContext::GetDownloadManager(profile_) : NULL;
504 download_handler_->Initialize(
505 download_manager,
506 cache_root_directory_.Append(kTemporaryFileDirectory));
507
508 // Register for Google Drive invalidation notifications.
509 DriveNotificationManager* drive_notification_manager =
510 DriveNotificationManagerFactory::GetForBrowserContext(profile_);
511 if (drive_notification_manager) {
512 drive_notification_manager->AddObserver(this);
513 const bool registered =
514 drive_notification_manager->push_notification_registered();
515 const char* status = (registered ? "registered" : "not registered");
516 util::Log(logging::LOG_INFO, "Push notification is %s", status);
517
518 if (drive_notification_manager->push_notification_enabled())
519 drive_app_registry_->Update();
520 }
521
522 state_ = INITIALIZED;
523
524 // Mount only when the drive is enabled. Initialize is triggered by
525 // SetEnabled(true), but there is a change to disable it again during
526 // the metadata initialization, so we need to look this up again here.
527 if (enabled_)
528 AddDriveMountPoint();
529 }
530
AvoidDriveAsDownloadDirecotryPreference()531 void DriveIntegrationService::AvoidDriveAsDownloadDirecotryPreference() {
532 PrefService* pref_service = profile_->GetPrefs();
533 if (util::IsUnderDriveMountPoint(
534 pref_service->GetFilePath(prefs::kDownloadDefaultDirectory))) {
535 pref_service->SetFilePath(
536 prefs::kDownloadDefaultDirectory,
537 file_manager::util::GetDownloadsFolderForProfile(profile_));
538 }
539 }
540
541 //===================== DriveIntegrationServiceFactory =======================
542
543 // static
GetForProfile(Profile * profile)544 DriveIntegrationService* DriveIntegrationServiceFactory::GetForProfile(
545 Profile* profile) {
546 return GetForProfileRegardlessOfStates(profile);
547 }
548
549 // static
550 DriveIntegrationService*
GetForProfileRegardlessOfStates(Profile * profile)551 DriveIntegrationServiceFactory::GetForProfileRegardlessOfStates(
552 Profile* profile) {
553 return static_cast<DriveIntegrationService*>(
554 GetInstance()->GetServiceForBrowserContext(profile, true));
555 }
556
557 // static
FindForProfile(Profile * profile)558 DriveIntegrationService* DriveIntegrationServiceFactory::FindForProfile(
559 Profile* profile) {
560 return FindForProfileRegardlessOfStates(profile);
561 }
562
563 // static
564 DriveIntegrationService*
FindForProfileRegardlessOfStates(Profile * profile)565 DriveIntegrationServiceFactory::FindForProfileRegardlessOfStates(
566 Profile* profile) {
567 return static_cast<DriveIntegrationService*>(
568 GetInstance()->GetServiceForBrowserContext(profile, false));
569 }
570
571 // static
GetInstance()572 DriveIntegrationServiceFactory* DriveIntegrationServiceFactory::GetInstance() {
573 return Singleton<DriveIntegrationServiceFactory>::get();
574 }
575
576 // static
SetFactoryForTest(const FactoryCallback & factory_for_test)577 void DriveIntegrationServiceFactory::SetFactoryForTest(
578 const FactoryCallback& factory_for_test) {
579 GetInstance()->factory_for_test_ = factory_for_test;
580 }
581
DriveIntegrationServiceFactory()582 DriveIntegrationServiceFactory::DriveIntegrationServiceFactory()
583 : BrowserContextKeyedServiceFactory(
584 "DriveIntegrationService",
585 BrowserContextDependencyManager::GetInstance()) {
586 DependsOn(ProfileOAuth2TokenServiceFactory::GetInstance());
587 DependsOn(DriveNotificationManagerFactory::GetInstance());
588 DependsOn(DownloadServiceFactory::GetInstance());
589 }
590
~DriveIntegrationServiceFactory()591 DriveIntegrationServiceFactory::~DriveIntegrationServiceFactory() {
592 }
593
594 BrowserContextKeyedService*
BuildServiceInstanceFor(content::BrowserContext * context) const595 DriveIntegrationServiceFactory::BuildServiceInstanceFor(
596 content::BrowserContext* context) const {
597 Profile* profile = Profile::FromBrowserContext(context);
598
599 DriveIntegrationService* service = NULL;
600 if (factory_for_test_.is_null()) {
601 DriveIntegrationService::PreferenceWatcher* preference_watcher = NULL;
602 if (chromeos::IsProfileAssociatedWithGaiaAccount(profile)) {
603 // Drive File System can be enabled.
604 preference_watcher =
605 new DriveIntegrationService::PreferenceWatcher(profile->GetPrefs());
606 }
607
608 service = new DriveIntegrationService(profile, preference_watcher,
609 NULL, base::FilePath(), NULL);
610 } else {
611 service = factory_for_test_.Run(profile);
612 }
613
614 return service;
615 }
616
617 } // namespace drive
618