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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/renderer/renderer_webstoragenamespace_impl.h" | 5 #include "content/renderer/renderer_webstoragenamespace_impl.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "content/renderer/renderer_webstoragearea_impl.h" | 8 #include "content/renderer/renderer_webstoragearea_impl.h" |
| 9 #include "webkit/dom_storage/dom_storage_types.h" | 9 #include "webkit/dom_storage/dom_storage_types.h" |
| 10 | 10 |
| 11 using WebKit::WebStorageArea; | 11 using WebKit::WebStorageArea; |
| 12 using WebKit::WebStorageNamespace; | 12 using WebKit::WebStorageNamespace; |
| 13 using WebKit::WebString; | 13 using WebKit::WebString; |
| 14 | 14 |
| 15 RendererWebStorageNamespaceImpl::RendererWebStorageNamespaceImpl() | 15 RendererWebStorageNamespaceImpl::RendererWebStorageNamespaceImpl() |
| 16 : namespace_id_(dom_storage::kLocalStorageNamespaceId) { | 16 : namespace_id_(dom_storage::kLocalStorageNamespaceId) { |
| 17 } | 17 } |
| 18 | 18 |
| 19 RendererWebStorageNamespaceImpl::RendererWebStorageNamespaceImpl( | 19 RendererWebStorageNamespaceImpl::RendererWebStorageNamespaceImpl( |
| 20 int64 namespace_id) | 20 int64 namespace_id) |
| 21 : namespace_id_(namespace_id) { | 21 : namespace_id_(namespace_id) { |
| 22 DCHECK_NE(dom_storage::kInvalidSessionStorageNamespaceId, namespace_id); | 22 DCHECK_NE(dom_storage::kInvalidSessionStorageNamespaceId, namespace_id); |
| 23 } | 23 } |
| 24 | 24 |
| 25 RendererWebStorageNamespaceImpl::~RendererWebStorageNamespaceImpl() { | 25 RendererWebStorageNamespaceImpl::~RendererWebStorageNamespaceImpl() { |
| 26 } | 26 } |
| 27 | 27 |
| 28 WebStorageArea* RendererWebStorageNamespaceImpl::createStorageArea( | 28 WebStorageArea* RendererWebStorageNamespaceImpl::createStorageArea( |
| 29 const WebString& origin) { | 29 const WebString& origin) { |
| 30 // Ideally, we'd keep a hash map of origin to these objects. Unfortunately | |
| 31 // this doesn't seem practical because there's no good way to ref-count these | |
| 32 // objects, and it'd be unclear who owned them. So, instead, we'll pay the | |
| 33 // price in terms of wasted memory. | |
| 34 return new RendererWebStorageAreaImpl(namespace_id_, origin); | 30 return new RendererWebStorageAreaImpl(namespace_id_, origin); |
| 35 } | 31 } |
| 36 | 32 |
| 37 WebStorageNamespace* RendererWebStorageNamespaceImpl::copy() { | 33 WebStorageNamespace* RendererWebStorageNamespaceImpl::copy() { |
| 38 // By returning NULL, we're telling WebKit to lazily fetch it the next time | 34 // By returning NULL, we're telling WebKit to lazily fetch it the next time |
| 39 // session storage is used. In the WebViewClient::createView, we do the | 35 // session storage is used. In the WebViewClient::createView, we do the |
| 40 // book-keeping necessary to make it a true copy-on-write despite not doing | 36 // book-keeping necessary to make it a true copy-on-write despite not doing |
| 41 // anything here, now. | 37 // anything here, now. |
| 42 return NULL; | 38 return NULL; |
| 43 } | 39 } |
| 44 | 40 |
| 45 void RendererWebStorageNamespaceImpl::close() { | 41 bool RendererWebStorageNamespaceImpl::isSameNamespace( |
| 46 // TOOD(michaeln): remove this deprecated method. | 42 const WebStorageNamespace& other) const { |
| 43 const RendererWebStorageNamespaceImpl* other_impl = |
| 44 static_cast<const RendererWebStorageNamespaceImpl*>(&other); |
| 45 return namespace_id_ == other_impl->namespace_id_; |
| 47 } | 46 } |
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