src/content/browser/service_worker/service_worker_cache_quota_client.cc

   1 // Copyright 2014 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 "content/browser/service_worker/service_worker_cache_quota_client.h"
   6
   7 #include "content/browser/service_worker/service_worker_cache_storage_manager.h"
   8 #include "content/public/browser/browser_thread.h"
   9
  10 namespace content {
  11
  12 ServiceWorkerCacheQuotaClient::ServiceWorkerCacheQuotaClient(
  13     base::WeakPtr<ServiceWorkerCacheStorageManager> cache_manager)
  14     : cache_manager_(cache_manager) {
  15 }
  16
  17 ServiceWorkerCacheQuotaClient::~ServiceWorkerCacheQuotaClient() {
  18 }
  19
  20 storage::QuotaClient::ID ServiceWorkerCacheQuotaClient::id() const {
  21   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  22   return kServiceWorkerCache;
  23 }
  24
  25 void ServiceWorkerCacheQuotaClient::OnQuotaManagerDestroyed() {
  26   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  27   delete this;
  28 }
  29
  30 void ServiceWorkerCacheQuotaClient::GetOriginUsage(
  31     const GURL& origin_url,
  32     storage::StorageType type,
  33     const GetUsageCallback& callback) {
  34   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  35
  36   if (!cache_manager_ || !DoesSupport(type)) {
  37     callback.Run(0);
  38     return;
  39   }
  40
  41   cache_manager_->GetOriginUsage(origin_url, callback);
  42 }
  43
  44 void ServiceWorkerCacheQuotaClient::GetOriginsForType(
  45     storage::StorageType type,
  46     const GetOriginsCallback& callback) {
  47   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  48
  49   if (!cache_manager_ || !DoesSupport(type)) {
  50     callback.Run(std::set<GURL>());
  51     return;
  52   }
  53
  54   cache_manager_->GetOrigins(callback);
  55 }
  56
  57 void ServiceWorkerCacheQuotaClient::GetOriginsForHost(
  58     storage::StorageType type,
  59     const std::string& host,
  60     const GetOriginsCallback& callback) {
  61   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  62
  63   if (!cache_manager_ || !DoesSupport(type)) {
  64     callback.Run(std::set<GURL>());
  65     return;
  66   }
  67
  68   cache_manager_->GetOriginsForHost(host, callback);
  69 }
  70
  71 void ServiceWorkerCacheQuotaClient::DeleteOriginData(
  72     const GURL& origin,
  73     storage::StorageType type,
  74     const DeletionCallback& callback) {
  75   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  76
  77   if (!cache_manager_) {
  78     callback.Run(storage::kQuotaErrorAbort);
  79     return;
  80   }
  81
  82   if (!DoesSupport(type)) {
  83     callback.Run(storage::kQuotaStatusOk);
  84     return;
  85   }
  86
  87   cache_manager_->DeleteOriginData(origin, callback);
  88 }
  89
  90 bool ServiceWorkerCacheQuotaClient::DoesSupport(
  91     storage::StorageType type) const {
  92   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  93
  94   return type == storage::kStorageTypeTemporary;
  95 }
  96
  97 }  // namespace content