1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
|
// Copyright 2014 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/storage/sync_value_store_cache.h"
#include <stddef.h>
#include "chrome/browser/extensions/api/storage/sync_storage_backend.h"
#include "chrome/browser/sync/glue/sync_start_util.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/value_store/value_store_factory.h"
#include "extensions/common/api/storage.h"
using content::BrowserThread;
namespace extensions {
namespace {
// Returns the quota limit for sync storage, taken from the schema in
// extensions/common/api/storage.json.
SettingsStorageQuotaEnforcer::Limits GetSyncQuotaLimits() {
SettingsStorageQuotaEnforcer::Limits limits = {
static_cast<size_t>(api::storage::sync::QUOTA_BYTES),
static_cast<size_t>(api::storage::sync::QUOTA_BYTES_PER_ITEM),
static_cast<size_t>(api::storage::sync::MAX_ITEMS)};
return limits;
}
} // namespace
SyncValueStoreCache::SyncValueStoreCache(
const scoped_refptr<ValueStoreFactory>& factory,
const scoped_refptr<SettingsObserverList>& observers,
const base::FilePath& profile_path)
: initialized_(false) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// This post is safe since the destructor can only be invoked from the
// same message loop, and any potential post of a deletion task must come
// after the constructor returns.
BrowserThread::PostTask(
BrowserThread::FILE, FROM_HERE,
base::Bind(&SyncValueStoreCache::InitOnFileThread,
base::Unretained(this),
factory, observers, profile_path));
}
SyncValueStoreCache::~SyncValueStoreCache() {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
}
syncer::SyncableService* SyncValueStoreCache::GetSyncableService(
syncer::ModelType type) const {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
DCHECK(initialized_);
switch (type) {
case syncer::APP_SETTINGS:
return app_backend_.get();
case syncer::EXTENSION_SETTINGS:
return extension_backend_.get();
default:
NOTREACHED();
return NULL;
}
}
void SyncValueStoreCache::RunWithValueStoreForExtension(
const StorageCallback& callback,
scoped_refptr<const Extension> extension) {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
DCHECK(initialized_);
SyncStorageBackend* backend =
extension->is_app() ? app_backend_.get() : extension_backend_.get();
callback.Run(backend->GetStorage(extension->id()));
}
void SyncValueStoreCache::DeleteStorageSoon(const std::string& extension_id) {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
app_backend_->DeleteStorage(extension_id);
extension_backend_->DeleteStorage(extension_id);
}
void SyncValueStoreCache::InitOnFileThread(
const scoped_refptr<ValueStoreFactory>& factory,
const scoped_refptr<SettingsObserverList>& observers,
const base::FilePath& profile_path) {
DCHECK_CURRENTLY_ON(BrowserThread::FILE);
DCHECK(!initialized_);
app_backend_.reset(new SyncStorageBackend(
factory,
GetSyncQuotaLimits(),
observers,
syncer::APP_SETTINGS,
sync_start_util::GetFlareForSyncableService(profile_path)));
extension_backend_.reset(new SyncStorageBackend(
factory,
GetSyncQuotaLimits(),
observers,
syncer::EXTENSION_SETTINGS,
sync_start_util::GetFlareForSyncableService(profile_path)));
initialized_ = true;
}
} // namespace extensions
|
