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// Copyright (c) 2013 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.
#include "chrome/browser/extensions/api/signed_in_devices/signed_in_devices_api.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/scoped_vector.h"
#include "base/values.h"
#include "chrome/browser/extensions/api/signed_in_devices/id_mapping_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sync/profile_sync_service.h"
#include "chrome/browser/sync/profile_sync_service_factory.h"
#include "chrome/common/extensions/api/signed_in_devices.h"
#include "components/sync_driver/device_info_tracker.h"
#include "components/sync_driver/local_device_info_provider.h"
#include "extensions/browser/extension_prefs.h"
using base::DictionaryValue;
using sync_driver::DeviceInfo;
using sync_driver::DeviceInfoTracker;
using sync_driver::LocalDeviceInfoProvider;
namespace extensions {
static const char kPrefStringForIdMapping[] = "id_mapping_dictioanry";
// Gets the dictionary that stores the id mapping. The dictionary is stored
// in the |ExtensionPrefs|.
const base::DictionaryValue* GetIdMappingDictionary(
ExtensionPrefs* extension_prefs,
const std::string& extension_id) {
const base::DictionaryValue* out_value = NULL;
if (!extension_prefs->ReadPrefAsDictionary(
extension_id,
kPrefStringForIdMapping,
&out_value) || out_value == NULL) {
// Looks like this is the first call to get the dictionary. Let us create
// a dictionary and set it in to |extension_prefs|.
scoped_ptr<base::DictionaryValue> dictionary(new base::DictionaryValue());
out_value = dictionary.get();
extension_prefs->UpdateExtensionPref(
extension_id,
kPrefStringForIdMapping,
dictionary.release());
}
return out_value;
}
// Helper routine to get all signed in devices. The helper takes in
// the pointers for |DeviceInfoTracker| and |Extensionprefs|. This
// makes it easier to test by passing mock values for these pointers.
ScopedVector<DeviceInfo> GetAllSignedInDevices(
const std::string& extension_id,
DeviceInfoTracker* device_tracker,
ExtensionPrefs* extension_prefs) {
DCHECK(device_tracker);
ScopedVector<DeviceInfo> devices = device_tracker->GetAllDeviceInfo();
const base::DictionaryValue* mapping_dictionary = GetIdMappingDictionary(
extension_prefs,
extension_id);
CHECK(mapping_dictionary);
// |mapping_dictionary| is const. So make an editable copy.
scoped_ptr<base::DictionaryValue> editable_mapping_dictionary(
mapping_dictionary->DeepCopy());
CreateMappingForUnmappedDevices(&(devices.get()),
editable_mapping_dictionary.get());
// Write into |ExtensionPrefs| which will get persisted in disk.
extension_prefs->UpdateExtensionPref(extension_id,
kPrefStringForIdMapping,
editable_mapping_dictionary.release());
return devices.Pass();
}
ScopedVector<DeviceInfo> GetAllSignedInDevices(
const std::string& extension_id,
Profile* profile) {
// Get the device tracker and extension prefs pointers
// and call the helper.
DeviceInfoTracker* device_tracker =
ProfileSyncServiceFactory::GetForProfile(profile)->GetDeviceInfoTracker();
if (device_tracker == NULL) {
// Devices are not sync'ing.
return ScopedVector<DeviceInfo>().Pass();
}
ExtensionPrefs* extension_prefs = ExtensionPrefs::Get(profile);
return GetAllSignedInDevices(extension_id, device_tracker, extension_prefs);
}
scoped_ptr<DeviceInfo> GetLocalDeviceInfo(const std::string& extension_id,
Profile* profile) {
ProfileSyncService* pss = ProfileSyncServiceFactory::GetForProfile(profile);
if (!pss) {
return scoped_ptr<DeviceInfo>();
}
LocalDeviceInfoProvider* local_device = pss->GetLocalDeviceInfoProvider();
DCHECK(local_device);
std::string guid = local_device->GetLocalSyncCacheGUID();
scoped_ptr<DeviceInfo> device = GetDeviceInfoForClientId(guid,
extension_id,
profile);
return device.Pass();
}
bool SignedInDevicesGetFunction::RunSync() {
scoped_ptr<api::signed_in_devices::Get::Params> params(
api::signed_in_devices::Get::Params::Create(*args_));
EXTENSION_FUNCTION_VALIDATE(params.get());
bool is_local = params->is_local.get() ? *params->is_local : false;
if (is_local) {
scoped_ptr<DeviceInfo> device =
GetLocalDeviceInfo(extension_id(), GetProfile());
base::ListValue* result = new base::ListValue();
if (device.get()) {
result->Append(device->ToValue());
}
SetResult(result);
return true;
}
ScopedVector<DeviceInfo> devices =
GetAllSignedInDevices(extension_id(), GetProfile());
scoped_ptr<base::ListValue> result(new base::ListValue());
for (ScopedVector<DeviceInfo>::const_iterator it = devices.begin();
it != devices.end();
++it) {
result->Append((*it)->ToValue());
}
SetResult(result.release());
return true;
}
} // namespace extensions
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