| // Copyright (c) 2012 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 "content/renderer/dom_storage/webstoragearea_impl.h" |
| |
| #include "base/lazy_instance.h" |
| #include "base/metrics/histogram.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/time/time.h" |
| #include "content/common/dom_storage_messages.h" |
| #include "content/renderer/dom_storage/dom_storage_cached_area.h" |
| #include "content/renderer/dom_storage/dom_storage_dispatcher.h" |
| #include "content/renderer/render_thread_impl.h" |
| #include "third_party/WebKit/public/platform/WebURL.h" |
| |
| using WebKit::WebString; |
| using WebKit::WebURL; |
| |
| namespace content { |
| |
| namespace { |
| typedef IDMap<WebStorageAreaImpl> AreaImplMap; |
| base::LazyInstance<AreaImplMap>::Leaky |
| g_all_areas_map = LAZY_INSTANCE_INITIALIZER; |
| |
| DomStorageDispatcher* dispatcher() { |
| return RenderThreadImpl::current()->dom_storage_dispatcher(); |
| } |
| } // namespace |
| |
| // static |
| WebStorageAreaImpl* WebStorageAreaImpl::FromConnectionId(int id) { |
| return g_all_areas_map.Pointer()->Lookup(id); |
| } |
| |
| WebStorageAreaImpl::WebStorageAreaImpl( |
| int64 namespace_id, const GURL& origin) |
| : connection_id_(g_all_areas_map.Pointer()->Add(this)), |
| cached_area_(dispatcher()-> |
| OpenCachedArea(connection_id_, namespace_id, origin)) { |
| } |
| |
| WebStorageAreaImpl::~WebStorageAreaImpl() { |
| g_all_areas_map.Pointer()->Remove(connection_id_); |
| if (dispatcher()) |
| dispatcher()->CloseCachedArea(connection_id_, cached_area_.get()); |
| } |
| |
| unsigned WebStorageAreaImpl::length() { |
| return cached_area_->GetLength(connection_id_); |
| } |
| |
| WebString WebStorageAreaImpl::key(unsigned index) { |
| return cached_area_->GetKey(connection_id_, index); |
| } |
| |
| WebString WebStorageAreaImpl::getItem(const WebString& key) { |
| return cached_area_->GetItem(connection_id_, key); |
| } |
| |
| void WebStorageAreaImpl::setItem( |
| const WebString& key, const WebString& value, const WebURL& page_url, |
| WebStorageArea::Result& result) { |
| if (!cached_area_->SetItem(connection_id_, key, value, page_url)) |
| result = ResultBlockedByQuota; |
| else |
| result = ResultOK; |
| } |
| |
| void WebStorageAreaImpl::removeItem( |
| const WebString& key, const WebURL& page_url) { |
| cached_area_->RemoveItem(connection_id_, key, page_url); |
| } |
| |
| void WebStorageAreaImpl::clear(const WebURL& page_url) { |
| cached_area_->Clear(connection_id_, page_url); |
| } |
| |
| size_t WebStorageAreaImpl::memoryBytesUsedByCache() const { |
| return cached_area_->MemoryBytesUsedByCache(); |
| } |
| |
| } // namespace content |