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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [GTK] Reduce IPC traffic due to view state changes"
   href="https://bugs.webkit.org/show_bug.cgi?id=153745#c4">Comment # 4</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [GTK] Reduce IPC traffic due to view state changes"
   href="https://bugs.webkit.org/show_bug.cgi?id=153745">bug 153745</a>
              from <span class="vcard"><a class="email" href="mailto:cgarcia&#64;igalia.com" title="Carlos Garcia Campos &lt;cgarcia&#64;igalia.com&gt;"> <span class="fn">Carlos Garcia Campos</span></a>
</span></b>
        <pre>(In reply to <a href="show_bug.cgi?id=153745#c3">comment #3</a>)
<span class="quote">&gt; Comment on <span class=""><a href="attachment.cgi?id=270390&amp;action=diff" name="attach_270390" title="Patch">attachment 270390</a> <a href="attachment.cgi?id=270390&amp;action=edit" title="Patch">[details]</a></span>
&gt; Patch
&gt; 
&gt; View in context:
&gt; <a href="https://bugs.webkit.org/attachment.cgi?id=270390&amp;action=review">https://bugs.webkit.org/attachment.cgi?id=270390&amp;action=review</a>
&gt; 
&gt; Nice patch, although I think it doesn't really work as is (see my comment
&gt; about the mask)</span >

Thanks for the review!

<span class="quote">&gt; &gt; Source/WebKit2/ChangeLog:27
&gt; &gt; +        WebPageProxy::viewStateDidChange() and resret the flags that need
&gt; 
&gt; resret -&gt; reset</span >

Oops.

<span class="quote">&gt; &gt; Source/WebKit2/UIProcess/API/gtk/WebKitWebViewBase.cpp:316
&gt; &gt; +        g_signal_connect(priv-&gt;toplevelOnScreenWindow, &quot;window-state-event&quot;, G_CALLBACK(toplevelWindowStateEvent), webViewBase);
&gt; 
&gt; According to the docs you should enable GDK_STRUCTURE_MASK something that
&gt; you are not doing. You should also remove the GDK_VISIBILITY_NOTIFY_MASK.</span >

But then it says &quot;GDK will enable this mask automatically for all new windows.&quot; Also note that this is not a signal of the web view, but the toplevel window, and GtkWindos adds the GDK_STRUCTURE_MASK unconditionally in realize method.

<span class="quote">&gt; &gt; Source/WebKit2/UIProcess/API/gtk/WebKitWebViewBase.cpp:1385
&gt; &gt; +    unsigned flagsToUpdate = ViewState::IsFocused;
&gt; 
&gt; We could use ViewState::Flags here for consistency with the rest of the code
&gt; (even though it's an unsigned anyway).</span >

OK.</pre>
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