81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "dom_storage_area.h"
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#include "dom_storage_context.h"
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#include "dom_storage_namespace.h"
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#include "base/task.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/WebStorageArea.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
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#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
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#include "webkit/glue/webkit_glue.h"
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using WebKit::WebSecurityOrigin;
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using WebKit::WebStorageArea;
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using WebKit::WebString;
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using WebKit::WebURL;
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DOMStorageArea::DOMStorageArea(
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const string16& origin,
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int64 id,
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DOMStorageNamespace* owner)
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: origin_(origin),
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origin_url_(origin),
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id_(id),
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owner_(owner) {
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DCHECK(owner_);
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}
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DOMStorageArea::~DOMStorageArea() {
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}
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unsigned DOMStorageArea::Length() {
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CreateWebStorageAreaIfNecessary();
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return storage_area_->length();
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}
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NullableString16 DOMStorageArea::Key(unsigned index) {
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CreateWebStorageAreaIfNecessary();
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return storage_area_->key(index);
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}
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NullableString16 DOMStorageArea::GetItem(const string16& key) {
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CreateWebStorageAreaIfNecessary();
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return storage_area_->getItem(key);
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}
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NullableString16 DOMStorageArea::SetItem(
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const string16& key, const string16& value,
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WebStorageArea::Result* result) {
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CreateWebStorageAreaIfNecessary();
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WebString old_value;
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storage_area_->setItem(key, value, WebURL(), *result, old_value);
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return old_value;
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}
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NullableString16 DOMStorageArea::RemoveItem(const string16& key) {
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CreateWebStorageAreaIfNecessary();
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WebString old_value;
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storage_area_->removeItem(key, WebURL(), old_value);
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return old_value;
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}
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bool DOMStorageArea::Clear() {
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CreateWebStorageAreaIfNecessary();
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bool somethingCleared;
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storage_area_->clear(WebURL(), somethingCleared);
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return somethingCleared;
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}
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void DOMStorageArea::PurgeMemory() {
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storage_area_.reset();
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}
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void DOMStorageArea::CreateWebStorageAreaIfNecessary() {
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if (!storage_area_.get())
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storage_area_.reset(owner_->CreateWebStorageArea(origin_));
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}
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