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// Copyright (c) 2011 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/browser/in_process_webkit/dom_storage_area.h"
#include "base/task.h"
#include "content/browser/in_process_webkit/dom_storage_context.h"
#include "content/browser/in_process_webkit/dom_storage_namespace.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageArea.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
#include "webkit/glue/webkit_glue.h"
using WebKit::WebSecurityOrigin;
using WebKit::WebStorageArea;
using WebKit::WebString;
using WebKit::WebURL;
DOMStorageArea::DOMStorageArea(
const string16& origin,
int64 id,
DOMStorageNamespace* owner)
: origin_(origin),
origin_url_(origin),
id_(id),
owner_(owner) {
DCHECK(owner_);
}
DOMStorageArea::~DOMStorageArea() {
}
unsigned DOMStorageArea::Length() {
CreateWebStorageAreaIfNecessary();
return storage_area_->length();
}
NullableString16 DOMStorageArea::Key(unsigned index) {
CreateWebStorageAreaIfNecessary();
return storage_area_->key(index);
}
NullableString16 DOMStorageArea::GetItem(const string16& key) {
CreateWebStorageAreaIfNecessary();
return storage_area_->getItem(key);
}
NullableString16 DOMStorageArea::SetItem(
const string16& key, const string16& value,
WebStorageArea::Result* result) {
CreateWebStorageAreaIfNecessary();
WebString old_value;
storage_area_->setItem(key, value, WebURL(), *result, old_value);
return old_value;
}
NullableString16 DOMStorageArea::RemoveItem(const string16& key) {
CreateWebStorageAreaIfNecessary();
WebString old_value;
storage_area_->removeItem(key, WebURL(), old_value);
return old_value;
}
bool DOMStorageArea::Clear() {
CreateWebStorageAreaIfNecessary();
bool somethingCleared;
storage_area_->clear(WebURL(), somethingCleared);
return somethingCleared;
}
void DOMStorageArea::PurgeMemory() {
storage_area_.reset();
}
void DOMStorageArea::CreateWebStorageAreaIfNecessary() {
if (!storage_area_.get())
storage_area_.reset(owner_->CreateWebStorageArea(origin_));
}
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