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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/160667">160667</a></dd>
<dt>Author</dt> <dd>beidson@apple.com</dd>
<dt>Date</dt> <dd>2013-12-16 15:23:34 -0800 (Mon, 16 Dec 2013)</dd>
</dl>

<h3>Log Message</h3>
<pre>DatabaseProcess: Implement openTransaction()
https://bugs.webkit.org/show_bug.cgi?id=125794

Reviewed by Darin Adler.

This patch hooks up all of the necessary infrastructure to open a uniquely
identified transaction in the DatabaseProcess backing store.

The transaction itself is not yet functional.

Add openTransaction messaging to the WebProcess side:
* WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp:
(WebKit::WebIDBServerConnection::isClosed):
(WebKit::WebIDBServerConnection::getOrEstablishIDBDatabaseMetadata):
(WebKit::WebIDBServerConnection::didGetOrEstablishIDBDatabaseMetadata):
(WebKit::WebIDBServerConnection::openTransaction):
(WebKit::WebIDBServerConnection::didOpenTransaction):
(WebKit::WebIDBServerConnection::deleteObjectStore):
* WebProcess/Databases/IndexedDB/WebIDBServerConnection.h:
* WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in:

Add openTransaction messaging to the DatabaseProcess side:
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp:
(WebKit::DatabaseProcessIDBConnection::openTransaction):
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h:
* DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in:

Add a hashable identifier that represents a connection/transactionID pair:
* DatabaseProcess/IndexedDB/IDBTransactionIdentifier.h: Added.
(WebKit::IDBTransactionIdentifier::IDBTransactionIdentifier):
(WebKit::IDBTransactionIdentifier::isolatedCopy):
(WebKit::IDBTransactionIdentifier::isEmpty):
(WebKit::IDBTransactionIdentifier::hash):
(WebKit::IDBTransactionIdentifier::operator==):
(WebKit::IDBTransactionIdentifier::isHashTableDeletedValue):
(WebKit::IDBTransactionIdentifierHash::hash):
(WebKit::IDBTransactionIdentifierHash::equal):
(WebKit::IDBTransactionIdentifierHashTraits::isEmptyValue):

Allow that identifier to be cross-thread copied:
* Shared/WebCrossThreadCopier.cpp:
(WebCore::::copy):
* Shared/WebCrossThreadCopier.h:

Ask the backing store to open this uniquely identified transaction:
* DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:
(WebKit::UniqueIDBDatabase::openTransaction):
(WebKit::UniqueIDBDatabase::openBackingStoreTransaction):
(WebKit::UniqueIDBDatabase::didOpenBackingStoreTransaction):
* DatabaseProcess/IndexedDB/UniqueIDBDatabase.h:

Add the backing store implementation for opening a transaction:
* DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h:
* DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp:
(WebKit::UniqueIDBDatabaseBackingStoreSQLite::~UniqueIDBDatabaseBackingStoreSQLite):
(WebKit::UniqueIDBDatabaseBackingStoreSQLite::establishTransaction):
* DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h:

Object to represent the backing store transaction itself, to be used in future patches:
* DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.cpp:
(WebKit::SQLiteIDBTransaction::SQLiteIDBTransaction):
* DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.h:
(WebKit::SQLiteIDBTransaction::create):
(WebKit::SQLiteIDBTransaction::identifier):

* WebKit2.xcodeproj/project.pbxproj:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectioncpp">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionmessagesin">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabasecpp">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseBackingStoreh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBsqliteUniqueIDBDatabaseBackingStoreSQLitecpp">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBsqliteUniqueIDBDatabaseBackingStoreSQLiteh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h</a></li>
<li><a href="#trunkSourceWebKit2SharedWebCrossThreadCopiercpp">trunk/Source/WebKit2/Shared/WebCrossThreadCopier.cpp</a></li>
<li><a href="#trunkSourceWebKit2SharedWebCrossThreadCopierh">trunk/Source/WebKit2/Shared/WebCrossThreadCopier.h</a></li>
<li><a href="#trunkSourceWebKit2WebKit2xcodeprojprojectpbxproj">trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj</a></li>
<li><a href="#trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectioncpp">trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectionh">trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectionmessagesin">trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBIDBTransactionIdentifierh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/IDBTransactionIdentifier.h</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBsqliteSQLiteIDBTransactioncpp">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.cpp</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBsqliteSQLiteIDBTransactionh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/ChangeLog        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -1,3 +1,72 @@
</span><ins>+2013-12-16  Brady Eidson  &lt;beidson@apple.com&gt;
+
+        DatabaseProcess: Implement openTransaction()
+        https://bugs.webkit.org/show_bug.cgi?id=125794
+
+        Reviewed by Darin Adler.
+
+        This patch hooks up all of the necessary infrastructure to open a uniquely
+        identified transaction in the DatabaseProcess backing store.
+
+        The transaction itself is not yet functional.
+
+        Add openTransaction messaging to the WebProcess side:
+        * WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp:
+        (WebKit::WebIDBServerConnection::isClosed):
+        (WebKit::WebIDBServerConnection::getOrEstablishIDBDatabaseMetadata):
+        (WebKit::WebIDBServerConnection::didGetOrEstablishIDBDatabaseMetadata):
+        (WebKit::WebIDBServerConnection::openTransaction):
+        (WebKit::WebIDBServerConnection::didOpenTransaction):
+        (WebKit::WebIDBServerConnection::deleteObjectStore):
+        * WebProcess/Databases/IndexedDB/WebIDBServerConnection.h:
+        * WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in:
+
+        Add openTransaction messaging to the DatabaseProcess side:
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp:
+        (WebKit::DatabaseProcessIDBConnection::openTransaction):
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h:
+        * DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in:
+
+        Add a hashable identifier that represents a connection/transactionID pair:
+        * DatabaseProcess/IndexedDB/IDBTransactionIdentifier.h: Added.
+        (WebKit::IDBTransactionIdentifier::IDBTransactionIdentifier):
+        (WebKit::IDBTransactionIdentifier::isolatedCopy):
+        (WebKit::IDBTransactionIdentifier::isEmpty):
+        (WebKit::IDBTransactionIdentifier::hash):
+        (WebKit::IDBTransactionIdentifier::operator==):
+        (WebKit::IDBTransactionIdentifier::isHashTableDeletedValue):
+        (WebKit::IDBTransactionIdentifierHash::hash):
+        (WebKit::IDBTransactionIdentifierHash::equal):
+        (WebKit::IDBTransactionIdentifierHashTraits::isEmptyValue):
+
+        Allow that identifier to be cross-thread copied:
+        * Shared/WebCrossThreadCopier.cpp:
+        (WebCore::::copy):
+        * Shared/WebCrossThreadCopier.h:
+
+        Ask the backing store to open this uniquely identified transaction:
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:
+        (WebKit::UniqueIDBDatabase::openTransaction):
+        (WebKit::UniqueIDBDatabase::openBackingStoreTransaction):
+        (WebKit::UniqueIDBDatabase::didOpenBackingStoreTransaction):
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabase.h:
+
+        Add the backing store implementation for opening a transaction:
+        * DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h:
+        * DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp:
+        (WebKit::UniqueIDBDatabaseBackingStoreSQLite::~UniqueIDBDatabaseBackingStoreSQLite):
+        (WebKit::UniqueIDBDatabaseBackingStoreSQLite::establishTransaction):
+        * DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h:
+
+        Object to represent the backing store transaction itself, to be used in future patches:
+        * DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.cpp:
+        (WebKit::SQLiteIDBTransaction::SQLiteIDBTransaction):
+        * DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.h:
+        (WebKit::SQLiteIDBTransaction::create):
+        (WebKit::SQLiteIDBTransaction::identifier):
+
+        * WebKit2.xcodeproj/project.pbxproj:
+
</ins><span class="cx"> 2013-12-16  Anders Carlsson  &lt;andersca@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Fix crash when trying to load a null HTML string
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.cpp        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -30,6 +30,7 @@
</span><span class="cx"> 
</span><span class="cx"> #include &quot;DatabaseProcess.h&quot;
</span><span class="cx"> #include &quot;DatabaseToWebProcessConnection.h&quot;
</span><ins>+#include &quot;IDBTransactionIdentifier.h&quot;
</ins><span class="cx"> #include &quot;UniqueIDBDatabase.h&quot;
</span><span class="cx"> #include &quot;WebCoreArgumentCoders.h&quot;
</span><span class="cx"> #include &quot;WebIDBServerConnectionMessages.h&quot;
</span><span class="lines">@@ -72,6 +73,16 @@
</span><span class="cx">     });
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void DatabaseProcessIDBConnection::openTransaction(uint64_t requestID, int64_t transactionID, int64_t)
+{
+    ASSERT(m_uniqueIDBDatabase);
+
+    RefPtr&lt;DatabaseProcessIDBConnection&gt; connection(this);
+    m_uniqueIDBDatabase-&gt;openTransaction(IDBTransactionIdentifier(*this, transactionID), [connection, requestID](bool success) {
+        connection-&gt;send(Messages::WebIDBServerConnection::DidOpenTransaction(requestID, success));
+    });
+}
+
</ins><span class="cx"> CoreIPC::Connection* DatabaseProcessIDBConnection::messageSenderConnection()
</span><span class="cx"> {
</span><span class="cx">     return m_connection-&gt;connection();
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.h        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -63,6 +63,7 @@
</span><span class="cx">     // Message handlers.
</span><span class="cx">     void establishConnection(const String&amp; databaseName, const SecurityOriginData&amp; openingOrigin, const SecurityOriginData&amp; mainFrameOrigin);
</span><span class="cx">     void getOrEstablishIDBDatabaseMetadata(uint64_t requestID);
</span><ins>+    void openTransaction(uint64_t requestID, int64_t transactionID, int64_t transactionMode);
</ins><span class="cx"> 
</span><span class="cx">     Ref&lt;DatabaseToWebProcessConnection&gt; m_connection;
</span><span class="cx">     uint64_t m_serverConnectionIdentifier;
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBDatabaseProcessIDBConnectionmessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/DatabaseProcessIDBConnection.messages.in        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -25,6 +25,7 @@
</span><span class="cx"> messages -&gt; DatabaseProcessIDBConnection LegacyReceiver {
</span><span class="cx">     EstablishConnection(String databaseName, WebKit::SecurityOriginData openingOrigin, WebKit::SecurityOriginData mainFrameOrigin)
</span><span class="cx">     GetOrEstablishIDBDatabaseMetadata(uint64_t requestID)
</span><ins>+    OpenTransaction(uint64_t requestID, int64_t transactionID, int64_t transactionMode)
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBIDBTransactionIdentifierh"></a>
<div class="addfile"><h4>Added: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/IDBTransactionIdentifier.h (0 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/IDBTransactionIdentifier.h                                (rev 0)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/IDBTransactionIdentifier.h        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -0,0 +1,113 @@
</span><ins>+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef IDBTransactionIdentifier_h
+#define IDBTransactionIdentifier_h
+
+#if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+
+#include &lt;wtf/HashTraits.h&gt;
+#include &lt;wtf/StringHasher.h&gt;
+
+namespace WebKit {
+
+class DatabaseProcessIDBConnection;
+
+class IDBTransactionIdentifier {
+public:
+    IDBTransactionIdentifier()
+        : m_connection(nullptr)
+        , m_transactionID(0)
+    {
+    }
+
+    IDBTransactionIdentifier(DatabaseProcessIDBConnection&amp; connection, int64_t transactionID)
+        : m_connection(&amp;connection)
+        , m_transactionID(transactionID)
+    {
+    }
+
+    IDBTransactionIdentifier isolatedCopy() const
+    {
+        return *this;
+    }
+
+    bool isEmpty() const
+    {
+        return !m_connection &amp;&amp; !m_transactionID;
+    }
+
+    unsigned hash() const
+    {
+        uint64_t hashCodes[2] = { reinterpret_cast&lt;uint64_t&gt;(m_connection), static_cast&lt;uint64_t&gt;(m_transactionID) };
+        return StringHasher::hashMemory&lt;sizeof(hashCodes)&gt;(hashCodes);
+    }
+
+    bool operator==(const IDBTransactionIdentifier&amp; other) const
+    {
+        return m_connection == other.m_connection &amp;&amp; m_transactionID == other.m_transactionID;
+    }
+
+    IDBTransactionIdentifier(WTF::HashTableDeletedValueType)
+        : m_connection(nullptr)
+        , m_transactionID(-1)
+    {
+    }
+
+    bool isHashTableDeletedValue() const
+    {
+        return !m_connection &amp;&amp; m_transactionID == -1;
+    }
+
+private:
+    // If any members are added that cannot be safely copied across threads, isolatedCopy() must be updated.
+    DatabaseProcessIDBConnection* m_connection;
+    int64_t m_transactionID;
+};
+
+struct IDBTransactionIdentifierHash {
+    static unsigned hash(const IDBTransactionIdentifier&amp; a) { return a.hash(); }
+    static bool equal(const IDBTransactionIdentifier&amp; a, const IDBTransactionIdentifier&amp; b) { return a == b; }
+    static const bool safeToCompareToEmptyOrDeleted = false;
+};
+
+struct IDBTransactionIdentifierHashTraits : WTF::SimpleClassHashTraits&lt;IDBTransactionIdentifier&gt; {
+    static const bool hasIsEmptyValueFunction = true;
+    static bool isEmptyValue(const IDBTransactionIdentifier&amp; info) { return info.isEmpty(); }
+};
+
+} // namespace WebKit
+
+namespace WTF {
+
+template&lt;&gt; struct HashTraits&lt;WebKit::IDBTransactionIdentifier&gt; : WebKit::IDBTransactionIdentifierHashTraits { };
+template&lt;&gt; struct DefaultHash&lt;WebKit::IDBTransactionIdentifier&gt; {
+    typedef WebKit::IDBTransactionIdentifierHash Hash;
+};
+
+} // namespace WTF
+
+#endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+#endif // IDBTransactionIdentifier_h
</ins></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabasecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -196,6 +196,48 @@
</span><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void UniqueIDBDatabase::openTransaction(const IDBTransactionIdentifier&amp; identifier, std::function&lt;void(bool)&gt; successCallback)
+{
+    ASSERT(isMainThread());
+
+    if (!m_acceptingNewRequests) {
+        successCallback(false);
+        return;
+    }
+
+    postDatabaseTask(createAsyncTask(*this, &amp;UniqueIDBDatabase::openBackingStoreTransaction, identifier));
+
+    RefPtr&lt;AsyncRequest&gt; request = AsyncRequestImpl&lt;bool&gt;::create([successCallback](bool success) {
+        successCallback(success);
+    }, [successCallback]() {
+        successCallback(false);
+    });
+
+    m_pendingOpenTransactionRequests.set(identifier, request.release());
+}
+
+void UniqueIDBDatabase::openBackingStoreTransaction(const IDBTransactionIdentifier&amp; identifier)
+{
+    ASSERT(!isMainThread());
+    ASSERT(m_backingStore);
+
+    bool success = m_backingStore-&gt;establishTransaction(identifier);
+
+    postMainThreadTask(createAsyncTask(*this, &amp;UniqueIDBDatabase::didOpenBackingStoreTransaction, identifier, success));
+}
+
+void UniqueIDBDatabase::didOpenBackingStoreTransaction(const IDBTransactionIdentifier&amp; identifier, bool success)
+{
+    ASSERT(isMainThread());
+
+    RefPtr&lt;AsyncRequest&gt; request = m_pendingOpenTransactionRequests.take(identifier);
+
+    if (!request)
+        return;
+
+    request-&gt;completeRequest(success);
+}
+
</ins><span class="cx"> String UniqueIDBDatabase::absoluteDatabaseDirectory() const
</span><span class="cx"> {
</span><span class="cx">     ASSERT(isMainThread());
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.h        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -28,6 +28,7 @@
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</span><span class="cx"> 
</span><ins>+#include &quot;IDBTransactionIdentifier.h&quot;
</ins><span class="cx"> #include &quot;UniqueIDBDatabaseIdentifier.h&quot;
</span><span class="cx"> #include &lt;functional&gt;
</span><span class="cx"> #include &lt;wtf/Deque.h&gt;
</span><span class="lines">@@ -64,6 +65,7 @@
</span><span class="cx">     void unregisterConnection(DatabaseProcessIDBConnection&amp;);
</span><span class="cx"> 
</span><span class="cx">     void getOrEstablishIDBDatabaseMetadata(std::function&lt;void(bool, const WebCore::IDBDatabaseMetadata&amp;)&gt; completionCallback);
</span><ins>+    void openTransaction(const IDBTransactionIdentifier&amp;, std::function&lt;void(bool)&gt; successCallback);
</ins><span class="cx"> 
</span><span class="cx"> private:
</span><span class="cx">     UniqueIDBDatabase(const UniqueIDBDatabaseIdentifier&amp;);
</span><span class="lines">@@ -94,14 +96,18 @@
</span><span class="cx">     void performNextDatabaseTask();
</span><span class="cx">     void postMainThreadTask(std::unique_ptr&lt;AsyncTask&gt;);
</span><span class="cx">     void openBackingStoreAndReadMetadata(const UniqueIDBDatabaseIdentifier&amp;, const String&amp; databaseDirectory);
</span><ins>+    void openBackingStoreTransaction(const IDBTransactionIdentifier&amp;);
</ins><span class="cx"> 
</span><span class="cx">     // Callbacks from the database workqueue thread, to be performed on the main thread only
</span><span class="cx">     void performNextMainThreadTask();
</span><span class="cx">     void didOpenBackingStoreAndReadMetadata(const WebCore::IDBDatabaseMetadata&amp;, bool success);
</span><ins>+    void didOpenBackingStoreTransaction(const IDBTransactionIdentifier&amp;, bool success);
</ins><span class="cx"> 
</span><del>-    Deque&lt;RefPtr&lt;AsyncRequest&gt;&gt; m_pendingMetadataRequests;
</del><span class="cx">     bool m_acceptingNewRequests;
</span><span class="cx"> 
</span><ins>+    Deque&lt;RefPtr&lt;AsyncRequest&gt;&gt; m_pendingMetadataRequests;
+    HashMap&lt;IDBTransactionIdentifier, RefPtr&lt;AsyncRequest&gt;&gt; m_pendingOpenTransactionRequests;
+
</ins><span class="cx">     std::unique_ptr&lt;WebCore::IDBDatabaseMetadata&gt; m_metadata;
</span><span class="cx">     bool m_didGetMetadataFromBackingStore;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseBackingStoreh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -36,11 +36,14 @@
</span><span class="cx"> 
</span><span class="cx"> namespace WebKit {
</span><span class="cx"> 
</span><ins>+class IDBTransactionIdentifier;
+
</ins><span class="cx"> class UniqueIDBDatabaseBackingStore : public RefCounted&lt;UniqueIDBDatabaseBackingStore&gt; {
</span><span class="cx"> public:
</span><span class="cx">     virtual ~UniqueIDBDatabaseBackingStore() { }
</span><span class="cx"> 
</span><span class="cx">     virtual std::unique_ptr&lt;WebCore::IDBDatabaseMetadata&gt; getOrEstablishMetadata() = 0;
</span><ins>+    virtual bool establishTransaction(const IDBTransactionIdentifier&amp;) = 0;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBsqliteSQLiteIDBTransactioncppfromrev160665trunkSourceWebKit2SharedWebCrossThreadCopiercpp"></a>
<div class="copfile"><h4>Copied: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.cpp (from rev 160665, trunk/Source/WebKit2/Shared/WebCrossThreadCopier.cpp) (0 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.cpp                                (rev 0)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.cpp        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -0,0 +1,39 @@
</span><ins>+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include &quot;config.h&quot;
+#include &quot;SQLiteIDBTransaction.h&quot;
+
+#if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+
+namespace WebKit {
+
+SQLiteIDBTransaction::SQLiteIDBTransaction(const IDBTransactionIdentifier&amp; identifier)
+    : m_identifier(identifier)
+{
+}
+
+} // namespace WebKit
+
+#endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</ins></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBsqliteSQLiteIDBTransactionhfromrev160665trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseBackingStoreh"></a>
<div class="copfile"><h4>Copied: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.h (from rev 160665, trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h) (0 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.h                                (rev 0)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/SQLiteIDBTransaction.h        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -0,0 +1,55 @@
</span><ins>+/*
+ * Copyright (C) 2013 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SQLiteIDBTransaction_h
+#define SQLiteIDBTransaction_h
+
+#if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+
+#include &quot;IDBTransactionIdentifier.h&quot;
+#include &lt;wtf/Noncopyable.h&gt;
+
+namespace WebKit {
+
+class SQLiteIDBTransaction {
+    WTF_MAKE_NONCOPYABLE(SQLiteIDBTransaction);
+public:
+    static std::unique_ptr&lt;SQLiteIDBTransaction&gt; create(const IDBTransactionIdentifier&amp; identifier)
+    {
+        return std::unique_ptr&lt;SQLiteIDBTransaction&gt;(new SQLiteIDBTransaction(identifier));
+    }
+
+    const IDBTransactionIdentifier&amp; identifier() const { return m_identifier; }
+
+private:
+    SQLiteIDBTransaction(const IDBTransactionIdentifier&amp;);
+
+    IDBTransactionIdentifier m_identifier;
+};
+
+} // namespace WebKit
+
+#endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
+#endif // SQLiteIDBTransaction_h
</ins></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBsqliteUniqueIDBDatabaseBackingStoreSQLitecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -28,6 +28,7 @@
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</span><span class="cx"> 
</span><ins>+#include &quot;SQLiteIDBTransaction.h&quot;
</ins><span class="cx"> #include &lt;WebCore/FileSystem.h&gt;
</span><span class="cx"> #include &lt;WebCore/IDBDatabaseMetadata.h&gt;
</span><span class="cx"> #include &lt;WebCore/SQLiteDatabase.h&gt;
</span><span class="lines">@@ -57,6 +58,11 @@
</span><span class="cx">     ASSERT(!isMainThread());
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+UniqueIDBDatabaseBackingStoreSQLite::~UniqueIDBDatabaseBackingStoreSQLite()
+{
+    ASSERT(!isMainThread());
+}
+
</ins><span class="cx"> std::unique_ptr&lt;WebCore::IDBDatabaseMetadata&gt; UniqueIDBDatabaseBackingStoreSQLite::createAndPopulateInitialMetadata()
</span><span class="cx"> {
</span><span class="cx">     ASSERT(!isMainThread());
</span><span class="lines">@@ -187,6 +193,16 @@
</span><span class="cx">     return metadata;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+bool UniqueIDBDatabaseBackingStoreSQLite::establishTransaction(const IDBTransactionIdentifier&amp; identifier)
+{
+    ASSERT(!isMainThread());
+    ASSERT(!m_transactions.contains(identifier));
+
+    m_transactions.add(identifier, SQLiteIDBTransaction::create(identifier));
+
+    return true;
+}
+
</ins><span class="cx"> } // namespace WebKit
</span><span class="cx"> 
</span><span class="cx"> #endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBsqliteUniqueIDBDatabaseBackingStoreSQLiteh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -40,6 +40,8 @@
</span><span class="cx"> 
</span><span class="cx"> namespace WebKit {
</span><span class="cx"> 
</span><ins>+class SQLiteIDBTransaction;
+
</ins><span class="cx"> class UniqueIDBDatabaseBackingStoreSQLite FINAL : public UniqueIDBDatabaseBackingStore {
</span><span class="cx"> public:
</span><span class="cx">     static PassRefPtr&lt;UniqueIDBDatabaseBackingStore&gt; create(const UniqueIDBDatabaseIdentifier&amp; identifier, const String&amp; databaseDirectory)
</span><span class="lines">@@ -47,7 +49,10 @@
</span><span class="cx">         return adoptRef(new UniqueIDBDatabaseBackingStoreSQLite(identifier, databaseDirectory));
</span><span class="cx">     }
</span><span class="cx"> 
</span><ins>+    virtual ~UniqueIDBDatabaseBackingStoreSQLite();
+
</ins><span class="cx">     virtual std::unique_ptr&lt;WebCore::IDBDatabaseMetadata&gt; getOrEstablishMetadata() OVERRIDE;
</span><ins>+    virtual bool establishTransaction(const IDBTransactionIdentifier&amp;) OVERRIDE;
</ins><span class="cx"> 
</span><span class="cx"> private:
</span><span class="cx">     UniqueIDBDatabaseBackingStoreSQLite(const UniqueIDBDatabaseIdentifier&amp;, const String&amp; databaseDirectory);
</span><span class="lines">@@ -60,6 +65,8 @@
</span><span class="cx">     String m_absoluteDatabaseDirectory;
</span><span class="cx"> 
</span><span class="cx">     std::unique_ptr&lt;WebCore::SQLiteDatabase&gt; m_metadataDB;
</span><ins>+
+    HashMap&lt;IDBTransactionIdentifier, std::unique_ptr&lt;SQLiteIDBTransaction&gt;&gt; m_transactions;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebCrossThreadCopiercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebCrossThreadCopier.cpp (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebCrossThreadCopier.cpp        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/Shared/WebCrossThreadCopier.cpp        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -27,6 +27,7 @@
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(INDEXED_DATABASE)
</span><span class="cx"> 
</span><ins>+#include &quot;IDBTransactionIdentifier.h&quot;
</ins><span class="cx"> #include &quot;UniqueIDBDatabaseIdentifier.h&quot;
</span><span class="cx"> 
</span><span class="cx"> using namespace WebKit;
</span><span class="lines">@@ -38,6 +39,11 @@
</span><span class="cx">     return identifier.isolatedCopy();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+IDBTransactionIdentifier CrossThreadCopierBase&lt;false, false, IDBTransactionIdentifier&gt;::copy(const IDBTransactionIdentifier&amp; identifier)
+{
+    return identifier.isolatedCopy();
+}
+
</ins><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // ENABLE(INDEXED_DATABASE)
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebCrossThreadCopierh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebCrossThreadCopier.h (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebCrossThreadCopier.h        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/Shared/WebCrossThreadCopier.h        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -31,6 +31,7 @@
</span><span class="cx"> #if ENABLE(INDEXED_DATABASE)
</span><span class="cx"> 
</span><span class="cx"> namespace WebKit {
</span><ins>+class IDBTransactionIdentifier;
</ins><span class="cx"> class UniqueIDBDatabaseIdentifier;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -40,6 +41,10 @@
</span><span class="cx">     static WebKit::UniqueIDBDatabaseIdentifier copy(const WebKit::UniqueIDBDatabaseIdentifier&amp;);
</span><span class="cx"> };
</span><span class="cx"> 
</span><ins>+template&lt;&gt; struct CrossThreadCopierBase&lt;false, false, WebKit::IDBTransactionIdentifier&gt; {
+    static WebKit::IDBTransactionIdentifier copy(const WebKit::IDBTransactionIdentifier&amp;);
+};
+
</ins><span class="cx"> } // namespace WebCore
</span><span class="cx"> 
</span><span class="cx"> #endif // ENABLE(INDEXED_DATABASE)
</span></span></pre></div>
<a id="trunkSourceWebKit2WebKit2xcodeprojprojectpbxproj"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -526,6 +526,8 @@
</span><span class="cx">                 511B24A7132E095700065A0C /* WebIconDatabaseProxy.h in Headers */ = {isa = PBXBuildFile; fileRef = 511B24A5132E095700065A0C /* WebIconDatabaseProxy.h */; };
</span><span class="cx">                 511B24AA132E097200065A0C /* WebIconDatabase.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 511B24A8132E097200065A0C /* WebIconDatabase.cpp */; };
</span><span class="cx">                 511B24AB132E097200065A0C /* WebIconDatabase.h in Headers */ = {isa = PBXBuildFile; fileRef = 511B24A9132E097200065A0C /* WebIconDatabase.h */; };
</span><ins>+                511D81FF185BBDEE001AED56 /* SQLiteIDBTransaction.h in Headers */ = {isa = PBXBuildFile; fileRef = 511D81FD185BBDEE001AED56 /* SQLiteIDBTransaction.h */; };
+                511D8201185BC217001AED56 /* SQLiteIDBTransaction.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 511D8200185BC217001AED56 /* SQLiteIDBTransaction.cpp */; };
</ins><span class="cx">                 511F8A7B138B460900A95F44 /* SecItemShimLibrary.h in Headers */ = {isa = PBXBuildFile; fileRef = 511F8A77138B460900A95F44 /* SecItemShimLibrary.h */; };
</span><span class="cx">                 511F8A81138B485D00A95F44 /* SecItemShimLibrary.mm in Sources */ = {isa = PBXBuildFile; fileRef = 511F8A78138B460900A95F44 /* SecItemShimLibrary.mm */; };
</span><span class="cx">                 51217460164C20E30037A5C1 /* ShareableResource.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 5121745E164C20E30037A5C1 /* ShareableResource.cpp */; };
</span><span class="lines">@@ -679,6 +681,7 @@
</span><span class="cx">                 51D130551382EAC000351EDD /* SecItemResponseData.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 51D130511382EAC000351EDD /* SecItemResponseData.cpp */; };
</span><span class="cx">                 51D130561382EAC000351EDD /* SecItemResponseData.h in Headers */ = {isa = PBXBuildFile; fileRef = 51D130521382EAC000351EDD /* SecItemResponseData.h */; };
</span><span class="cx">                 51D130581382F10500351EDD /* WebProcessProxyMac.mm in Sources */ = {isa = PBXBuildFile; fileRef = 51D130571382F10500351EDD /* WebProcessProxyMac.mm */; };
</span><ins>+                51D54A73185BAC42000CAED2 /* IDBTransactionIdentifier.h in Headers */ = {isa = PBXBuildFile; fileRef = 51D54A72185BAC42000CAED2 /* IDBTransactionIdentifier.h */; };
</ins><span class="cx">                 51DD9F2816367DA2001578E9 /* NetworkConnectionToWebProcessMessageReceiver.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 51DD9F2616367DA2001578E9 /* NetworkConnectionToWebProcessMessageReceiver.cpp */; };
</span><span class="cx">                 51DD9F2916367DA2001578E9 /* NetworkConnectionToWebProcessMessages.h in Headers */ = {isa = PBXBuildFile; fileRef = 51DD9F2716367DA2001578E9 /* NetworkConnectionToWebProcessMessages.h */; };
</span><span class="cx">                 51E351CA180F2CCC00E53BE9 /* IDBUtilities.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 51E351C8180F2CCC00E53BE9 /* IDBUtilities.cpp */; };
</span><span class="lines">@@ -2113,6 +2116,8 @@
</span><span class="cx">                 511B24A5132E095700065A0C /* WebIconDatabaseProxy.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = WebIconDatabaseProxy.h; path = IconDatabase/WebIconDatabaseProxy.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 511B24A8132E097200065A0C /* WebIconDatabase.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WebIconDatabase.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 511B24A9132E097200065A0C /* WebIconDatabase.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebIconDatabase.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><ins>+                511D81FD185BBDEE001AED56 /* SQLiteIDBTransaction.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SQLiteIDBTransaction.h; sourceTree = &quot;&lt;group&gt;&quot;; };
+                511D8200185BC217001AED56 /* SQLiteIDBTransaction.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = SQLiteIDBTransaction.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</ins><span class="cx">                 511F8A77138B460900A95F44 /* SecItemShimLibrary.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = SecItemShimLibrary.h; path = ../../WebProcess/mac/SecItemShimLibrary.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 511F8A78138B460900A95F44 /* SecItemShimLibrary.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; name = SecItemShimLibrary.mm; path = ../../WebProcess/mac/SecItemShimLibrary.mm; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 5121745E164C20E30037A5C1 /* ShareableResource.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ShareableResource.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="lines">@@ -2275,6 +2280,7 @@
</span><span class="cx">                 51D130511382EAC000351EDD /* SecItemResponseData.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = SecItemResponseData.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 51D130521382EAC000351EDD /* SecItemResponseData.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SecItemResponseData.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 51D130571382F10500351EDD /* WebProcessProxyMac.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = WebProcessProxyMac.mm; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><ins>+                51D54A72185BAC42000CAED2 /* IDBTransactionIdentifier.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IDBTransactionIdentifier.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</ins><span class="cx">                 51DD9F2616367DA2001578E9 /* NetworkConnectionToWebProcessMessageReceiver.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = NetworkConnectionToWebProcessMessageReceiver.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 51DD9F2716367DA2001578E9 /* NetworkConnectionToWebProcessMessages.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = NetworkConnectionToWebProcessMessages.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 51E351C8180F2CCC00E53BE9 /* IDBUtilities.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = IDBUtilities.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="lines">@@ -4112,6 +4118,8 @@
</span><span class="cx">                 51654EF0184EF241007DC837 /* sqlite */ = {
</span><span class="cx">                         isa = PBXGroup;
</span><span class="cx">                         children = (
</span><ins>+                                511D8200185BC217001AED56 /* SQLiteIDBTransaction.cpp */,
+                                511D81FD185BBDEE001AED56 /* SQLiteIDBTransaction.h */,
</ins><span class="cx">                                 51654EFB184EF33F007DC837 /* UniqueIDBDatabaseBackingStoreSQLite.cpp */,
</span><span class="cx">                                 51654EFC184EF33F007DC837 /* UniqueIDBDatabaseBackingStoreSQLite.h */,
</span><span class="cx">                         );
</span><span class="lines">@@ -4246,6 +4254,7 @@
</span><span class="cx">                                 51D0D42E183B34130097041D /* DatabaseProcessIDBConnection.cpp */,
</span><span class="cx">                                 51D0D42F183B34130097041D /* DatabaseProcessIDBConnection.h */,
</span><span class="cx">                                 51D0D430183B34130097041D /* DatabaseProcessIDBConnection.messages.in */,
</span><ins>+                                51D54A72185BAC42000CAED2 /* IDBTransactionIdentifier.h */,
</ins><span class="cx">                                 515E772D184015800007203F /* UniqueIDBDatabase.cpp */,
</span><span class="cx">                                 515E772E184015800007203F /* UniqueIDBDatabase.h */,
</span><span class="cx">                                 51654EFF184EF34A007DC837 /* UniqueIDBDatabaseBackingStore.h */,
</span><span class="lines">@@ -5943,6 +5952,7 @@
</span><span class="cx">                                 1AB474E6184D44B40051B622 /* WKBundlePageFullScreenClient.h in Headers */,
</span><span class="cx">                                 1AB31A9716BC688100F6DBC9 /* StorageManagerMessages.h in Headers */,
</span><span class="cx">                                 296BD85D15019BC30071F424 /* StringUtilities.h in Headers */,
</span><ins>+                                511D81FF185BBDEE001AED56 /* SQLiteIDBTransaction.h in Headers */,
</ins><span class="cx">                                 1AB474E4184D44980051B622 /* WKBundlePageContextMenuClient.h in Headers */,
</span><span class="cx">                                 1AA417CB12C00CCA002BE67B /* TextChecker.h in Headers */,
</span><span class="cx">                                 1QQ417CB12C00CCA002BE67B /* TextCheckerCompletion.h in Headers */,
</span><span class="lines">@@ -6099,6 +6109,7 @@
</span><span class="cx">                                 1AC8702D130B49A2002C1257 /* WebPluginSiteDataManager.h in Headers */,
</span><span class="cx">                                 BCB9F8B01124E07700A137E0 /* WebPolicyClient.h in Headers */,
</span><span class="cx">                                 BC5744F012638FB3006F0F12 /* WebPopupItem.h in Headers */,
</span><ins>+                                51D54A73185BAC42000CAED2 /* IDBTransactionIdentifier.h in Headers */,
</ins><span class="cx">                                 D3B9484711FF4B6500032B39 /* WebPopupMenu.h in Headers */,
</span><span class="cx">                                 BC574E631267D080006F0F12 /* WebPopupMenuProxy.h in Headers */,
</span><span class="cx">                                 BC5750971268F3C6006F0F12 /* WebPopupMenuProxyMac.h in Headers */,
</span><span class="lines">@@ -7438,6 +7449,7 @@
</span><span class="cx">                                 31A2EC4D148997C200810D71 /* WebNotificationProvider.cpp in Sources */,
</span><span class="cx">                                 BC857FB612B830E600EDEB2E /* WebOpenPanelParameters.cpp in Sources */,
</span><span class="cx">                                 BC857F8612B82D0B00EDEB2E /* WebOpenPanelResultListener.cpp in Sources */,
</span><ins>+                                511D8201185BC217001AED56 /* SQLiteIDBTransaction.cpp in Sources */,
</ins><span class="cx">                                 BC857F7E12B82CEE00EDEB2E /* WebOpenPanelResultListenerProxy.cpp in Sources */,
</span><span class="cx">                                 BC963D6B113DD19200574BE2 /* WebPage.cpp in Sources */,
</span><span class="cx">                                 5153569C1291B1D2000749DC /* WebPageContextMenuClient.cpp in Sources */,
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.cpp        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -74,6 +74,7 @@
</span><span class="cx"> 
</span><span class="cx"> bool WebIDBServerConnection::isClosed()
</span><span class="cx"> {
</span><ins>+    // FIXME: Return real value here.
</ins><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -91,7 +92,8 @@
</span><span class="cx">     });
</span><span class="cx"> 
</span><span class="cx">     uint64_t requestID = serverRequest-&gt;requestID();
</span><del>-    m_serverRequests.set(requestID, serverRequest.release());
</del><ins>+    ASSERT(!m_serverRequests.contains(requestID));
+    m_serverRequests.add(requestID, serverRequest.release());
</ins><span class="cx"> 
</span><span class="cx">     send(Messages::DatabaseProcessIDBConnection::GetOrEstablishIDBDatabaseMetadata(requestID));
</span><span class="cx"> }
</span><span class="lines">@@ -99,8 +101,10 @@
</span><span class="cx"> void WebIDBServerConnection::didGetOrEstablishIDBDatabaseMetadata(uint64_t requestID, bool success, const IDBDatabaseMetadata&amp; metadata)
</span><span class="cx"> {
</span><span class="cx">     RefPtr&lt;AsyncRequest&gt; serverRequest = m_serverRequests.take(requestID);
</span><del>-    ASSERT(serverRequest);
</del><span class="cx"> 
</span><ins>+    if (!serverRequest)
+        return;
+
</ins><span class="cx">     serverRequest-&gt;completeRequest(metadata, success);
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -108,10 +112,31 @@
</span><span class="cx"> {
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebIDBServerConnection::openTransaction(int64_t transactionID, const HashSet&lt;int64_t&gt;&amp; objectStoreIds, IndexedDB::TransactionMode, BoolCallbackFunction successCallback)
</del><ins>+void WebIDBServerConnection::openTransaction(int64_t transactionID, const HashSet&lt;int64_t&gt;&amp;, IndexedDB::TransactionMode mode, BoolCallbackFunction successCallback)
</ins><span class="cx"> {
</span><ins>+    RefPtr&lt;AsyncRequest&gt; serverRequest = AsyncRequestImpl&lt;bool&gt;::create(successCallback);
+
+    serverRequest-&gt;setAbortHandler([successCallback]() {
+        successCallback(false);
+    });
+
+    uint64_t requestID = serverRequest-&gt;requestID();
+    ASSERT(!m_serverRequests.contains(requestID));
+    m_serverRequests.add(requestID, serverRequest.release());
+
+    send(Messages::DatabaseProcessIDBConnection::OpenTransaction(requestID, transactionID, mode));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebIDBServerConnection::didOpenTransaction(uint64_t requestID, bool success)
+{
+    RefPtr&lt;AsyncRequest&gt; serverRequest = m_serverRequests.take(requestID);
+
+    if (!serverRequest)
+        return;
+
+    serverRequest-&gt;completeRequest(success);
+}
+
</ins><span class="cx"> void WebIDBServerConnection::beginTransaction(int64_t transactionID, std::function&lt;void()&gt; completionCallback)
</span><span class="cx"> {
</span><span class="cx"> }
</span><span class="lines">@@ -170,8 +195,8 @@
</span><span class="cx"> 
</span><span class="cx"> void WebIDBServerConnection::deleteObjectStore(IDBTransactionBackend&amp;, const DeleteObjectStoreOperation&amp;, std::function&lt;void(PassRefPtr&lt;IDBDatabaseError&gt;)&gt; completionCallback)
</span><span class="cx"> {
</span><ins>+}
</ins><span class="cx"> 
</span><del>-}
</del><span class="cx"> void WebIDBServerConnection::changeDatabaseVersion(IDBTransactionBackend&amp;, const IDBDatabaseBackend::VersionChangeOperation&amp;, std::function&lt;void(PassRefPtr&lt;IDBDatabaseError&gt;)&gt; completionCallback)
</span><span class="cx"> {
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.h        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -94,6 +94,7 @@
</span><span class="cx">     virtual CoreIPC::Connection* messageSenderConnection() OVERRIDE;
</span><span class="cx"> 
</span><span class="cx">     void didGetOrEstablishIDBDatabaseMetadata(uint64_t requestID, bool success, const WebCore::IDBDatabaseMetadata&amp;);
</span><ins>+    void didOpenTransaction(uint64_t requestID, bool success);
</ins><span class="cx"> 
</span><span class="cx">     uint64_t m_serverConnectionIdentifier;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessDatabasesIndexedDBWebIDBServerConnectionmessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in (160666 => 160667)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in        2013-12-16 22:59:59 UTC (rev 160666)
+++ trunk/Source/WebKit2/WebProcess/Databases/IndexedDB/WebIDBServerConnection.messages.in        2013-12-16 23:23:34 UTC (rev 160667)
</span><span class="lines">@@ -24,6 +24,7 @@
</span><span class="cx"> 
</span><span class="cx"> messages -&gt; WebIDBServerConnection LegacyReceiver {
</span><span class="cx">     DidGetOrEstablishIDBDatabaseMetadata(uint64_t requestID, bool success, WebCore::IDBDatabaseMetadata metadata)
</span><ins>+    DidOpenTransaction(uint64_t requestID, bool success)
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #endif // ENABLE(INDEXED_DATABASE) &amp;&amp; ENABLE(DATABASE_PROCESS)
</span></span></pre>
</div>
</div>

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