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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/177768">177768</a></dd>
<dt>Author</dt> <dd>andersca@apple.com</dd>
<dt>Date</dt> <dd>2014-12-27 12:59:29 -0800 (Sat, 27 Dec 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Switch WebConnection over to sending objects with UserData
https://bugs.webkit.org/show_bug.cgi?id=139967

Reviewed by Oliver Hunt.

* Shared/WebConnection.cpp:
(WebKit::WebConnection::postMessage):
No need to construct the message manually anymore.

(WebKit::WebConnection::handleMessage):
No need to decode the message manually, just get the object from the UserData message body,
convert any handles to objects, and dispatch the message.

* Shared/WebConnection.h:
Remove now unused members.

* Shared/WebConnection.messages.in:
Give HandleMessage a proper signature.

* UIProcess/WebConnectionToWebProcess.cpp:
(WebKit::WebConnectionToWebProcess::transformHandlesToObjects):
(WebKit::WebConnectionToWebProcess::transformObjectsToHandles):
Call the WebProcessProxy version.

(WebKit::WebConnectionToWebProcess::encodeMessageBody): Deleted.
(WebKit::WebConnectionToWebProcess::decodeMessageBody): Deleted.

* UIProcess/WebConnectionToWebProcess.h:
* WebProcess/WebConnectionToUIProcess.cpp:
(WebKit::WebConnectionToUIProcess::encodeMessageBody): Deleted.
(WebKit::WebConnectionToUIProcess::decodeMessageBody): Deleted.
* WebProcess/WebConnectionToUIProcess.h:
Delete more unused members.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2SharedWebConnectioncpp">trunk/Source/WebKit2/Shared/WebConnection.cpp</a></li>
<li><a href="#trunkSourceWebKit2SharedWebConnectionh">trunk/Source/WebKit2/Shared/WebConnection.h</a></li>
<li><a href="#trunkSourceWebKit2SharedWebConnectionmessagesin">trunk/Source/WebKit2/Shared/WebConnection.messages.in</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebConnectionToWebProcesscpp">trunk/Source/WebKit2/UIProcess/WebConnectionToWebProcess.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebConnectionToWebProcessh">trunk/Source/WebKit2/UIProcess/WebConnectionToWebProcess.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebConnectionToUIProcesscpp">trunk/Source/WebKit2/WebProcess/WebConnectionToUIProcess.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebConnectionToUIProcessh">trunk/Source/WebKit2/WebProcess/WebConnectionToUIProcess.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (177767 => 177768)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-12-27 20:34:35 UTC (rev 177767)
+++ trunk/Source/WebKit2/ChangeLog        2014-12-27 20:59:29 UTC (rev 177768)
</span><span class="lines">@@ -1,5 +1,41 @@
</span><span class="cx"> 2014-12-27  Anders Carlsson  &lt;andersca@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Switch WebConnection over to sending objects with UserData
+        https://bugs.webkit.org/show_bug.cgi?id=139967
+
+        Reviewed by Oliver Hunt.
+
+        * Shared/WebConnection.cpp:
+        (WebKit::WebConnection::postMessage):
+        No need to construct the message manually anymore.
+
+        (WebKit::WebConnection::handleMessage):
+        No need to decode the message manually, just get the object from the UserData message body,
+        convert any handles to objects, and dispatch the message.
+
+        * Shared/WebConnection.h:
+        Remove now unused members.
+
+        * Shared/WebConnection.messages.in:
+        Give HandleMessage a proper signature.
+
+        * UIProcess/WebConnectionToWebProcess.cpp:
+        (WebKit::WebConnectionToWebProcess::transformHandlesToObjects):
+        (WebKit::WebConnectionToWebProcess::transformObjectsToHandles):
+        Call the WebProcessProxy version.
+
+        (WebKit::WebConnectionToWebProcess::encodeMessageBody): Deleted.
+        (WebKit::WebConnectionToWebProcess::decodeMessageBody): Deleted.
+
+        * UIProcess/WebConnectionToWebProcess.h:
+        * WebProcess/WebConnectionToUIProcess.cpp:
+        (WebKit::WebConnectionToUIProcess::encodeMessageBody): Deleted.
+        (WebKit::WebConnectionToUIProcess::decodeMessageBody): Deleted.
+        * WebProcess/WebConnectionToUIProcess.h:
+        Delete more unused members.
+
+2014-12-27  Anders Carlsson  &lt;andersca@apple.com&gt;
+
</ins><span class="cx">         Encode and decode WKTypeRefWrapper objects
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=139966
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebConnectioncpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebConnection.cpp (177767 => 177768)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebConnection.cpp        2014-12-27 20:34:35 UTC (rev 177767)
+++ trunk/Source/WebKit2/Shared/WebConnection.cpp        2014-12-27 20:59:29 UTC (rev 177768)
</span><span class="lines">@@ -28,6 +28,7 @@
</span><span class="cx"> 
</span><span class="cx"> #include &quot;ArgumentCoders.h&quot;
</span><span class="cx"> #include &quot;DataReference.h&quot;
</span><ins>+#include &quot;UserData.h&quot;
</ins><span class="cx"> #include &quot;WebConnectionMessages.h&quot;
</span><span class="cx"> #include &lt;wtf/text/WTFString.h&gt;
</span><span class="cx"> 
</span><span class="lines">@@ -51,11 +52,7 @@
</span><span class="cx">     if (!hasValidConnection())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    auto encoder = std::make_unique&lt;IPC::MessageEncoder&gt;(Messages::WebConnection::HandleMessage::receiverName(), Messages::WebConnection::HandleMessage::name(), 0);
-    encoder-&gt;encode(messageName);
-    encodeMessageBody(*encoder, messageBody);
-
-    sendMessage(WTF::move(encoder), 0);
</del><ins>+    send(Messages::WebConnection::HandleMessage(messageName, UserData(transformObjectsToHandles(messageBody))));
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebConnection::didClose()
</span><span class="lines">@@ -68,17 +65,9 @@
</span><span class="cx">     didReceiveWebConnectionMessage(connection, decoder);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebConnection::handleMessage(IPC::MessageDecoder&amp; decoder)
</del><ins>+void WebConnection::handleMessage(const String&amp; messageName, const UserData&amp; messageBody)
</ins><span class="cx"> {
</span><del>-    String messageName;
-    if (!decoder.decode(messageName))
-        return;
-
-    RefPtr&lt;API::Object&gt; messageBody;
-    if (!decodeMessageBody(decoder, messageBody))
-        return;
-
-    m_client.didReceiveMessage(this, messageName, messageBody.get());
</del><ins>+    m_client.didReceiveMessage(this, messageName, transformHandlesToObjects(messageBody.object()).get());
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebConnectionh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebConnection.h (177767 => 177768)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebConnection.h        2014-12-27 20:34:35 UTC (rev 177767)
+++ trunk/Source/WebKit2/Shared/WebConnection.h        2014-12-27 20:59:29 UTC (rev 177768)
</span><span class="lines">@@ -29,11 +29,13 @@
</span><span class="cx"> #include &quot;APIObject.h&quot;
</span><span class="cx"> #include &quot;MessageReceiver.h&quot;
</span><span class="cx"> #include &quot;MessageSender.h&quot;
</span><ins>+#include &quot;UserData.h&quot;
</ins><span class="cx"> #include &quot;WebConnectionClient.h&quot;
</span><span class="cx"> #include &lt;wtf/RefPtr.h&gt;
</span><span class="cx"> 
</span><span class="cx"> namespace WebKit {
</span><span class="cx"> 
</span><ins>+class UserData;
</ins><span class="cx"> class WebConnection : public API::ObjectImpl&lt;API::Object::Type::Connection&gt;, public IPC::MessageReceiver, public IPC::MessageSender {
</span><span class="cx"> public:
</span><span class="cx">     virtual ~WebConnection();
</span><span class="lines">@@ -47,8 +49,6 @@
</span><span class="cx"> 
</span><span class="cx">     virtual RefPtr&lt;API::Object&gt; transformHandlesToObjects(API::Object*) = 0;
</span><span class="cx">     virtual RefPtr&lt;API::Object&gt; transformObjectsToHandles(API::Object*) = 0;
</span><del>-    virtual void encodeMessageBody(IPC::ArgumentEncoder&amp;, API::Object*) = 0;
-    virtual bool decodeMessageBody(IPC::ArgumentDecoder&amp;, RefPtr&lt;API::Object&gt;&amp;) = 0;
</del><span class="cx"> 
</span><span class="cx">     // IPC::MessageReceiver
</span><span class="cx">     void didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&amp;) override;
</span><span class="lines">@@ -57,7 +57,7 @@
</span><span class="cx">     void didReceiveWebConnectionMessage(IPC::Connection*, IPC::MessageDecoder&amp;);
</span><span class="cx"> 
</span><span class="cx">     // Mesage handling implementation functions.
</span><del>-    void handleMessage(IPC::MessageDecoder&amp;);
</del><ins>+    void handleMessage(const String&amp; messageName, const UserData&amp; messageBody);
</ins><span class="cx"> 
</span><span class="cx">     virtual bool hasValidConnection() const = 0;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedWebConnectionmessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/WebConnection.messages.in (177767 => 177768)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/WebConnection.messages.in        2014-12-27 20:34:35 UTC (rev 177767)
+++ trunk/Source/WebKit2/Shared/WebConnection.messages.in        2014-12-27 20:59:29 UTC (rev 177768)
</span><span class="lines">@@ -21,5 +21,5 @@
</span><span class="cx"> # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
</span><span class="cx"> 
</span><span class="cx"> messages -&gt; WebConnection LegacyReceiver {
</span><del>-    HandleMessage() Variadic
</del><ins>+    HandleMessage(String messageName, WebKit::UserData messageBody)
</ins><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebConnectionToWebProcesscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebConnectionToWebProcess.cpp (177767 => 177768)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebConnectionToWebProcess.cpp        2014-12-27 20:34:35 UTC (rev 177767)
+++ trunk/Source/WebKit2/UIProcess/WebConnectionToWebProcess.cpp        2014-12-27 20:59:29 UTC (rev 177768)
</span><span class="lines">@@ -50,29 +50,16 @@
</span><span class="cx"> 
</span><span class="cx"> // WebConnection
</span><span class="cx"> 
</span><del>-RefPtr&lt;API::Object&gt; WebConnectionToWebProcess::transformHandlesToObjects(API::Object*)
</del><ins>+RefPtr&lt;API::Object&gt; WebConnectionToWebProcess::transformHandlesToObjects(API::Object* object)
</ins><span class="cx"> {
</span><del>-    // FIXME: Implement.
-    return nullptr;
</del><ins>+    return m_process-&gt;transformHandlesToObjects(object);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-RefPtr&lt;API::Object&gt; WebConnectionToWebProcess::transformObjectsToHandles(API::Object*)
</del><ins>+RefPtr&lt;API::Object&gt; WebConnectionToWebProcess::transformObjectsToHandles(API::Object* object)
</ins><span class="cx"> {
</span><del>-    // FIXME: Implement.
-    return nullptr;
</del><ins>+    return m_process-&gt;transformObjectsToHandles(object);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebConnectionToWebProcess::encodeMessageBody(IPC::ArgumentEncoder&amp; encoder, API::Object* messageBody)
-{
-    encoder &lt;&lt; WebContextUserMessageEncoder(messageBody, *m_process);
-}
-
-bool WebConnectionToWebProcess::decodeMessageBody(IPC::ArgumentDecoder&amp; decoder, RefPtr&lt;API::Object&gt;&amp; messageBody)
-{
-    WebContextUserMessageDecoder messageBodyDecoder(messageBody, *m_process);
-    return decoder.decode(messageBodyDecoder);
-}
-
</del><span class="cx"> bool WebConnectionToWebProcess::hasValidConnection() const
</span><span class="cx"> {
</span><span class="cx">     return m_process;
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebConnectionToWebProcessh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebConnectionToWebProcess.h (177767 => 177768)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebConnectionToWebProcess.h        2014-12-27 20:34:35 UTC (rev 177767)
+++ trunk/Source/WebKit2/UIProcess/WebConnectionToWebProcess.h        2014-12-27 20:59:29 UTC (rev 177768)
</span><span class="lines">@@ -46,8 +46,6 @@
</span><span class="cx">     // WebConnection
</span><span class="cx">     virtual RefPtr&lt;API::Object&gt; transformHandlesToObjects(API::Object*) override;
</span><span class="cx">     virtual RefPtr&lt;API::Object&gt; transformObjectsToHandles(API::Object*) override;
</span><del>-    virtual void encodeMessageBody(IPC::ArgumentEncoder&amp;, API::Object*) override;
-    virtual bool decodeMessageBody(IPC::ArgumentDecoder&amp;, RefPtr&lt;API::Object&gt;&amp;) override;
</del><span class="cx">     virtual bool hasValidConnection() const override;
</span><span class="cx"> 
</span><span class="cx">     // IPC::MessageSender
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebConnectionToUIProcesscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebConnectionToUIProcess.cpp (177767 => 177768)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebConnectionToUIProcess.cpp        2014-12-27 20:34:35 UTC (rev 177767)
+++ trunk/Source/WebKit2/WebProcess/WebConnectionToUIProcess.cpp        2014-12-27 20:59:29 UTC (rev 177768)
</span><span class="lines">@@ -47,7 +47,7 @@
</span><span class="cx"> 
</span><span class="cx"> void WebConnectionToUIProcess::invalidate()
</span><span class="cx"> {
</span><del>-    m_process = 0;
</del><ins>+    m_process = nullptr;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> // WebConnection
</span><span class="lines">@@ -62,17 +62,6 @@
</span><span class="cx">     return m_process-&gt;transformObjectsToHandles(object);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebConnectionToUIProcess::encodeMessageBody(IPC::ArgumentEncoder&amp; encoder, API::Object* messageBody)
-{
-    encoder &lt;&lt; InjectedBundleUserMessageEncoder(messageBody);
-}
-
-bool WebConnectionToUIProcess::decodeMessageBody(IPC::ArgumentDecoder&amp; decoder, RefPtr&lt;API::Object&gt;&amp; messageBody)
-{
-    InjectedBundleUserMessageDecoder messageBodyDecoder(messageBody);
-    return decoder.decode(messageBodyDecoder);
-}
-
</del><span class="cx"> bool WebConnectionToUIProcess::hasValidConnection() const
</span><span class="cx"> {
</span><span class="cx">     return m_process;
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebConnectionToUIProcessh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebConnectionToUIProcess.h (177767 => 177768)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebConnectionToUIProcess.h        2014-12-27 20:34:35 UTC (rev 177767)
+++ trunk/Source/WebKit2/WebProcess/WebConnectionToUIProcess.h        2014-12-27 20:59:29 UTC (rev 177768)
</span><span class="lines">@@ -44,8 +44,6 @@
</span><span class="cx">     // WebConnection
</span><span class="cx">     virtual RefPtr&lt;API::Object&gt; transformHandlesToObjects(API::Object*) override;
</span><span class="cx">     virtual RefPtr&lt;API::Object&gt; transformObjectsToHandles(API::Object*) override;
</span><del>-    virtual void encodeMessageBody(IPC::ArgumentEncoder&amp;, API::Object*) override;
-    virtual bool decodeMessageBody(IPC::ArgumentDecoder&amp;, RefPtr&lt;API::Object&gt;&amp;) override;
</del><span class="cx">     virtual bool hasValidConnection() const override;
</span><span class="cx"> 
</span><span class="cx">     // IPC::MessageSender
</span></span></pre>
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