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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/177090">177090</a></dd>
<dt>Author</dt> <dd>andersca@apple.com</dd>
<dt>Date</dt> <dd>2014-12-10 13:00:09 -0800 (Wed, 10 Dec 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Begin fixing transient local storage handling
https://bugs.webkit.org/show_bug.cgi?id=139503

Reviewed by Sam Weinig.

* UIProcess/Storage/StorageManager.cpp:
(WebKit::StorageManager::createTransientLocalStorageMap):
* UIProcess/Storage/StorageManager.h:
Add empty stub implementation of createTransientLocalStorageMap.

* UIProcess/Storage/StorageManager.messages.in:
Add CreateTransientLocalStorageMap message.

* WebProcess/Storage/StorageAreaMap.cpp:
(WebKit::StorageAreaMap::StorageAreaMap):
If we have a local storage namespace with a non-null top-level origin, create a
transient local storage map.

* WebProcess/Storage/StorageNamespaceImpl.cpp:
(WebKit::StorageNamespaceImpl::createLocalStorageNamespace):
Pass a null top-level origin to the StorageNamespaceImpl constructor.

(WebKit::StorageNamespaceImpl::createTransientLocalStorageNamespace):
Create a new StorageNamespaceImpl, passing the top-level origin to the constructor.

(WebKit::StorageNamespaceImpl::createSessionStorageNamespace):
Pass a null top-level origin to the StorageNamespaceImpl constructor.

(WebKit::StorageNamespaceImpl::StorageNamespaceImpl):
Add a top-level origin parameter.

* WebProcess/Storage/StorageNamespaceImpl.h:
(WebKit::StorageNamespaceImpl::topLevelOrigin):
Add top-level origin member and getter.

* WebProcess/Storage/WebStorageNamespaceProvider.cpp:
(WebKit::WebStorageNamespaceProvider::createTransientLocalStorageNamespace):
Call StorageNamespaceImpl::createTransientLocalStorageNamespace.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2UIProcessStorageStorageManagercpp">trunk/Source/WebKit2/UIProcess/Storage/StorageManager.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessStorageStorageManagerh">trunk/Source/WebKit2/UIProcess/Storage/StorageManager.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessStorageStorageManagermessagesin">trunk/Source/WebKit2/UIProcess/Storage/StorageManager.messages.in</a></li>
<li><a href="#trunkSourceWebKit2WebProcessStorageStorageAreaMapcpp">trunk/Source/WebKit2/WebProcess/Storage/StorageAreaMap.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessStorageStorageNamespaceImplcpp">trunk/Source/WebKit2/WebProcess/Storage/StorageNamespaceImpl.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessStorageStorageNamespaceImplh">trunk/Source/WebKit2/WebProcess/Storage/StorageNamespaceImpl.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessStorageWebStorageNamespaceProvidercpp">trunk/Source/WebKit2/WebProcess/Storage/WebStorageNamespaceProvider.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (177089 => 177090)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-12-10 20:46:15 UTC (rev 177089)
+++ trunk/Source/WebKit2/ChangeLog        2014-12-10 21:00:09 UTC (rev 177090)
</span><span class="lines">@@ -1,5 +1,46 @@
</span><span class="cx"> 2014-12-10  Anders Carlsson  &lt;andersca@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Begin fixing transient local storage handling
+        https://bugs.webkit.org/show_bug.cgi?id=139503
+
+        Reviewed by Sam Weinig.
+
+        * UIProcess/Storage/StorageManager.cpp:
+        (WebKit::StorageManager::createTransientLocalStorageMap):
+        * UIProcess/Storage/StorageManager.h:
+        Add empty stub implementation of createTransientLocalStorageMap.
+
+        * UIProcess/Storage/StorageManager.messages.in:
+        Add CreateTransientLocalStorageMap message.
+
+        * WebProcess/Storage/StorageAreaMap.cpp:
+        (WebKit::StorageAreaMap::StorageAreaMap):
+        If we have a local storage namespace with a non-null top-level origin, create a 
+        transient local storage map.
+
+        * WebProcess/Storage/StorageNamespaceImpl.cpp:
+        (WebKit::StorageNamespaceImpl::createLocalStorageNamespace):
+        Pass a null top-level origin to the StorageNamespaceImpl constructor.
+
+        (WebKit::StorageNamespaceImpl::createTransientLocalStorageNamespace):
+        Create a new StorageNamespaceImpl, passing the top-level origin to the constructor.
+
+        (WebKit::StorageNamespaceImpl::createSessionStorageNamespace):
+        Pass a null top-level origin to the StorageNamespaceImpl constructor.
+
+        (WebKit::StorageNamespaceImpl::StorageNamespaceImpl):
+        Add a top-level origin parameter.
+
+        * WebProcess/Storage/StorageNamespaceImpl.h:
+        (WebKit::StorageNamespaceImpl::topLevelOrigin):
+        Add top-level origin member and getter.
+
+        * WebProcess/Storage/WebStorageNamespaceProvider.cpp:
+        (WebKit::WebStorageNamespaceProvider::createTransientLocalStorageNamespace):
+        Call StorageNamespaceImpl::createTransientLocalStorageNamespace.
+
+2014-12-10  Anders Carlsson  &lt;andersca@apple.com&gt;
+
</ins><span class="cx">         Implement WebStorageNamespaceProvider::createLocalStorageNamespace
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=139498
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessStorageStorageManagercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/Storage/StorageManager.cpp (177089 => 177090)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/Storage/StorageManager.cpp        2014-12-10 20:46:15 UTC (rev 177089)
+++ trunk/Source/WebKit2/UIProcess/Storage/StorageManager.cpp        2014-12-10 21:00:09 UTC (rev 177090)
</span><span class="lines">@@ -494,6 +494,11 @@
</span><span class="cx">     result.iterator-&gt;value = storageArea.release();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void StorageManager::createTransientLocalStorageMap(IPC::Connection* connection, uint64_t storageMapID, uint64_t storageNamespaceID, const SecurityOriginData&amp; topLevelOriginData, const SecurityOriginData&amp; securityOriginData)
+{
+    // FIXME: Implement this.
+}
+
</ins><span class="cx"> void StorageManager::createSessionStorageMap(IPC::Connection* connection, uint64_t storageMapID, uint64_t storageNamespaceID, const SecurityOriginData&amp; securityOriginData)
</span><span class="cx"> {
</span><span class="cx">     // FIXME: This should be a message check.
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessStorageStorageManagerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/Storage/StorageManager.h (177089 => 177090)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/Storage/StorageManager.h        2014-12-10 20:46:15 UTC (rev 177089)
+++ trunk/Source/WebKit2/UIProcess/Storage/StorageManager.h        2014-12-10 21:00:09 UTC (rev 177090)
</span><span class="lines">@@ -76,6 +76,7 @@
</span><span class="cx"> 
</span><span class="cx">     // Message handlers.
</span><span class="cx">     void createLocalStorageMap(IPC::Connection*, uint64_t storageMapID, uint64_t storageNamespaceID, const SecurityOriginData&amp;);
</span><ins>+    void createTransientLocalStorageMap(IPC::Connection*, uint64_t storageMapID, uint64_t storageNamespaceID, const SecurityOriginData&amp; topLevelOriginData, const SecurityOriginData&amp;);
</ins><span class="cx">     void createSessionStorageMap(IPC::Connection*, uint64_t storageMapID, uint64_t storageNamespaceID, const SecurityOriginData&amp;);
</span><span class="cx">     void destroyStorageMap(IPC::Connection*, uint64_t storageMapID);
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessStorageStorageManagermessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/Storage/StorageManager.messages.in (177089 => 177090)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/Storage/StorageManager.messages.in        2014-12-10 20:46:15 UTC (rev 177089)
+++ trunk/Source/WebKit2/UIProcess/Storage/StorageManager.messages.in        2014-12-10 21:00:09 UTC (rev 177090)
</span><span class="lines">@@ -22,6 +22,7 @@
</span><span class="cx"> 
</span><span class="cx"> messages -&gt; StorageManager {
</span><span class="cx">     CreateLocalStorageMap(uint64_t storageMapID, uint64_t storageNamespaceID, WebKit::SecurityOriginData securityOriginData) WantsConnection
</span><ins>+    CreateTransientLocalStorageMap(uint64_t storageMapID, uint64_t storageNamespaceID, WebKit::SecurityOriginData topLevelSecurityOriginData, WebKit::SecurityOriginData securityOriginData) WantsConnection
</ins><span class="cx">     CreateSessionStorageMap(uint64_t storageMapID, uint64_t storageNamespaceID, WebKit::SecurityOriginData securityOriginData) WantsConnection
</span><span class="cx">     DestroyStorageMap(uint64_t storageMapID) WantsConnection
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessStorageStorageAreaMapcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Storage/StorageAreaMap.cpp (177089 => 177090)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Storage/StorageAreaMap.cpp        2014-12-10 20:46:15 UTC (rev 177089)
+++ trunk/Source/WebKit2/WebProcess/Storage/StorageAreaMap.cpp        2014-12-10 21:00:09 UTC (rev 177090)
</span><span class="lines">@@ -68,10 +68,20 @@
</span><span class="cx">     , m_hasPendingClear(false)
</span><span class="cx">     , m_hasPendingGetValues(false)
</span><span class="cx"> {
</span><del>-    if (m_storageType == LocalStorage)
-        WebProcess::shared().parentProcessConnection()-&gt;send(Messages::StorageManager::CreateLocalStorageMap(m_storageMapID, storageNamespace-&gt;storageNamespaceID(), SecurityOriginData::fromSecurityOrigin(m_securityOrigin.get())), 0);
-    else
</del><ins>+    switch (m_storageType) {
+    case WebCore::LocalStorage:
+        if (SecurityOrigin* topLevelOrigin = storageNamespace-&gt;topLevelOrigin())
+            WebProcess::shared().parentProcessConnection()-&gt;send(Messages::StorageManager::CreateTransientLocalStorageMap(m_storageMapID, storageNamespace-&gt;storageNamespaceID(), SecurityOriginData::fromSecurityOrigin(topLevelOrigin), SecurityOriginData::fromSecurityOrigin(m_securityOrigin.get())), 0);
+        else
+            WebProcess::shared().parentProcessConnection()-&gt;send(Messages::StorageManager::CreateLocalStorageMap(m_storageMapID, storageNamespace-&gt;storageNamespaceID(), SecurityOriginData::fromSecurityOrigin(m_securityOrigin.get())), 0);
+
+        break;
+
+    case WebCore::SessionStorage:
</ins><span class="cx">         WebProcess::shared().parentProcessConnection()-&gt;send(Messages::StorageManager::CreateSessionStorageMap(m_storageMapID, storageNamespace-&gt;storageNamespaceID(), SecurityOriginData::fromSecurityOrigin(m_securityOrigin.get())), 0);
</span><ins>+        break;
+    }
+
</ins><span class="cx">     WebProcess::shared().addMessageReceiver(Messages::StorageAreaMap::messageReceiverName(), m_storageMapID, *this);
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessStorageStorageNamespaceImplcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Storage/StorageNamespaceImpl.cpp (177089 => 177090)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Storage/StorageNamespaceImpl.cpp        2014-12-10 20:46:15 UTC (rev 177089)
+++ trunk/Source/WebKit2/WebProcess/Storage/StorageNamespaceImpl.cpp        2014-12-10 21:00:09 UTC (rev 177090)
</span><span class="lines">@@ -49,21 +49,26 @@
</span><span class="cx">     return localStorageNamespaceMap;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-PassRefPtr&lt;StorageNamespaceImpl&gt; StorageNamespaceImpl::createLocalStorageNamespace(uint64_t identifier, unsigned quotaInBytes)
</del><ins>+RefPtr&lt;StorageNamespaceImpl&gt; StorageNamespaceImpl::createLocalStorageNamespace(uint64_t identifier, unsigned quotaInBytes)
</ins><span class="cx"> {
</span><span class="cx">     LocalStorageNamespaceMap::AddResult result = localStorageNamespaceMap().add(identifier, nullptr);
</span><span class="cx">     if (!result.isNewEntry)
</span><span class="cx">         return result.iterator-&gt;value;
</span><span class="cx"> 
</span><del>-    RefPtr&lt;StorageNamespaceImpl&gt; localStorageNamespace = adoptRef(new StorageNamespaceImpl(LocalStorage, identifier, quotaInBytes));
</del><ins>+    RefPtr&lt;StorageNamespaceImpl&gt; localStorageNamespace = adoptRef(new StorageNamespaceImpl(LocalStorage, identifier, nullptr, quotaInBytes));
</ins><span class="cx"> 
</span><span class="cx">     result.iterator-&gt;value = localStorageNamespace.get();
</span><span class="cx">     return localStorageNamespace.release();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+RefPtr&lt;StorageNamespaceImpl&gt; StorageNamespaceImpl::createTransientLocalStorageNamespace(uint64_t identifier, WebCore::SecurityOrigin&amp; topLevelOrigin, uint64_t quotaInBytes)
+{
+    return adoptRef(new StorageNamespaceImpl(LocalStorage, identifier, &amp;topLevelOrigin, quotaInBytes));
+}
+
</ins><span class="cx"> PassRefPtr&lt;StorageNamespaceImpl&gt; StorageNamespaceImpl::createSessionStorageNamespace(WebPage* webPage)
</span><span class="cx"> {
</span><del>-    return adoptRef(new StorageNamespaceImpl(SessionStorage, webPage-&gt;pageID(), webPage-&gt;corePage()-&gt;settings().sessionStorageQuota()));
</del><ins>+    return adoptRef(new StorageNamespaceImpl(SessionStorage, webPage-&gt;pageID(), nullptr, webPage-&gt;corePage()-&gt;settings().sessionStorageQuota()));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> PassRefPtr&lt;StorageNamespaceImpl&gt; StorageNamespaceImpl::createLocalStorageNamespace(PageGroup* pageGroup)
</span><span class="lines">@@ -74,9 +79,10 @@
</span><span class="cx">     return createLocalStorageNamespace(pageGroupID, quota);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-StorageNamespaceImpl::StorageNamespaceImpl(WebCore::StorageType storageType, uint64_t storageNamespaceID, unsigned quotaInBytes)
</del><ins>+StorageNamespaceImpl::StorageNamespaceImpl(WebCore::StorageType storageType, uint64_t storageNamespaceID, WebCore::SecurityOrigin* topLevelOrigin, unsigned quotaInBytes)
</ins><span class="cx">     : m_storageType(storageType)
</span><span class="cx">     , m_storageNamespaceID(storageNamespaceID)
</span><ins>+    , m_topLevelOrigin(topLevelOrigin)
</ins><span class="cx">     , m_quotaInBytes(quotaInBytes)
</span><span class="cx"> {
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessStorageStorageNamespaceImplh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Storage/StorageNamespaceImpl.h (177089 => 177090)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Storage/StorageNamespaceImpl.h        2014-12-10 20:46:15 UTC (rev 177089)
+++ trunk/Source/WebKit2/WebProcess/Storage/StorageNamespaceImpl.h        2014-12-10 21:00:09 UTC (rev 177090)
</span><span class="lines">@@ -38,19 +38,22 @@
</span><span class="cx"> 
</span><span class="cx"> class StorageNamespaceImpl : public WebCore::StorageNamespace {
</span><span class="cx"> public:
</span><del>-    static PassRefPtr&lt;StorageNamespaceImpl&gt; createLocalStorageNamespace(uint64_t identifier, unsigned quotaInBytes);
</del><ins>+    static RefPtr&lt;StorageNamespaceImpl&gt; createLocalStorageNamespace(uint64_t identifier, unsigned quotaInBytes);
+    static RefPtr&lt;StorageNamespaceImpl&gt; createTransientLocalStorageNamespace(uint64_t identifier, WebCore::SecurityOrigin&amp; topLevelOrigin, uint64_t quotaInBytes);
+
</ins><span class="cx">     static PassRefPtr&lt;StorageNamespaceImpl&gt; createSessionStorageNamespace(WebPage*);
</span><span class="cx">     virtual ~StorageNamespaceImpl();
</span><span class="cx"> 
</span><span class="cx">     WebCore::StorageType storageType() const { return m_storageType; }
</span><span class="cx">     uint64_t storageNamespaceID() const { return m_storageNamespaceID; }
</span><ins>+    WebCore::SecurityOrigin* topLevelOrigin() const { return m_topLevelOrigin.get(); }
</ins><span class="cx">     unsigned quotaInBytes() const { return m_quotaInBytes; }
</span><span class="cx"> 
</span><span class="cx">     // FIXME: Remove this deprecated overload.
</span><span class="cx">     static PassRefPtr&lt;StorageNamespaceImpl&gt; createLocalStorageNamespace(WebCore::PageGroup*);
</span><span class="cx"> 
</span><span class="cx"> private:
</span><del>-    explicit StorageNamespaceImpl(WebCore::StorageType, uint64_t storageNamespaceID, unsigned quotaInBytes);
</del><ins>+    explicit StorageNamespaceImpl(WebCore::StorageType, uint64_t storageNamespaceID, WebCore::SecurityOrigin* topLevelOrigin, unsigned quotaInBytes);
</ins><span class="cx"> 
</span><span class="cx">     virtual PassRefPtr&lt;WebCore::StorageArea&gt; storageArea(PassRefPtr&lt;WebCore::SecurityOrigin&gt;) override;
</span><span class="cx">     virtual PassRefPtr&lt;WebCore::StorageNamespace&gt; copy(WebCore::Page*) override;
</span><span class="lines">@@ -60,10 +63,14 @@
</span><span class="cx">     virtual void sync() override;
</span><span class="cx">     virtual void closeIdleLocalStorageDatabases() override;
</span><span class="cx"> 
</span><del>-    WebCore::StorageType m_storageType;
-    uint64_t m_storageNamespaceID;
-    unsigned m_quotaInBytes;
</del><ins>+    const WebCore::StorageType m_storageType;
+    const uint64_t m_storageNamespaceID;
</ins><span class="cx"> 
</span><ins>+    // Only used for transient local storage namespaces.
+    const RefPtr&lt;WebCore::SecurityOrigin&gt; m_topLevelOrigin;
+
+    const unsigned m_quotaInBytes;
+
</ins><span class="cx">     HashMap&lt;RefPtr&lt;WebCore::SecurityOrigin&gt;, RefPtr&lt;StorageAreaMap&gt;&gt; m_storageAreaMaps;
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessStorageWebStorageNamespaceProvidercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Storage/WebStorageNamespaceProvider.cpp (177089 => 177090)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Storage/WebStorageNamespaceProvider.cpp        2014-12-10 20:46:15 UTC (rev 177089)
+++ trunk/Source/WebKit2/WebProcess/Storage/WebStorageNamespaceProvider.cpp        2014-12-10 21:00:09 UTC (rev 177090)
</span><span class="lines">@@ -70,10 +70,9 @@
</span><span class="cx">     return StorageNamespaceImpl::createLocalStorageNamespace(m_identifier, quota);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-RefPtr&lt;WebCore::StorageNamespace&gt; WebStorageNamespaceProvider::createTransientLocalStorageNamespace(WebCore::SecurityOrigin&amp;, unsigned quota)
</del><ins>+RefPtr&lt;WebCore::StorageNamespace&gt; WebStorageNamespaceProvider::createTransientLocalStorageNamespace(WebCore::SecurityOrigin&amp; topLevelOrigin, unsigned quota)
</ins><span class="cx"> {
</span><del>-    // FIXME: Implement.
-    return nullptr;
</del><ins>+    return StorageNamespaceImpl::createTransientLocalStorageNamespace(m_identifier, topLevelOrigin, quota);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> }
</span></span></pre>
</div>
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