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// Copyright (c) 2009 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/in_process_webkit/storage_area.h"
#include "chrome/browser/in_process_webkit/dom_storage_dispatcher_host.h"
#include "chrome/browser/in_process_webkit/storage_namespace.h"
#include "third_party/WebKit/WebKit/chromium/public/WebStorageArea.h"
#include "third_party/WebKit/WebKit/chromium/public/WebString.h"
#include "third_party/WebKit/WebKit/chromium/public/WebURL.h"
using WebKit::WebStorageArea;
using WebKit::WebURL;
StorageArea::StorageArea(const string16& origin,
int64 id,
StorageNamespace* owner)
: origin_(origin),
id_(id),
owner_(owner) {
DCHECK(owner_);
}
StorageArea::~StorageArea() {
}
unsigned StorageArea::Length() {
CreateWebStorageAreaIfNecessary();
return storage_area_->length();
}
NullableString16 StorageArea::Key(unsigned index) {
CreateWebStorageAreaIfNecessary();
return storage_area_->key(index);
}
NullableString16 StorageArea::GetItem(const string16& key) {
CreateWebStorageAreaIfNecessary();
return storage_area_->getItem(key);
}
void StorageArea::SetItem(const string16& key, const string16& value,
bool* quota_exception) {
CreateWebStorageAreaIfNecessary();
storage_area_->setItem(key, value, WebURL(), *quota_exception);
}
void StorageArea::RemoveItem(const string16& key) {
CreateWebStorageAreaIfNecessary();
storage_area_->removeItem(key, WebURL());
}
void StorageArea::Clear() {
CreateWebStorageAreaIfNecessary();
storage_area_->clear(WebURL());
}
void StorageArea::PurgeMemory() {
storage_area_.reset();
}
void StorageArea::CreateWebStorageAreaIfNecessary() {
if (!storage_area_.get())
storage_area_.reset(owner_->CreateWebStorageArea(origin_));
}
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