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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/170838">170838</a></dd>
<dt>Author</dt> <dd>timothy_horton@apple.com</dd>
<dt>Date</dt> <dd>2014-07-06 23:04:51 -0700 (Sun, 06 Jul 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>[WK2] Don't support dynamically enabling the RemoteLayerTree debug indicator
https://bugs.webkit.org/show_bug.cgi?id=134644

Reviewed by Darin Adler.

* UIProcess/DrawingAreaProxy.h:
(WebKit::DrawingAreaProxy::setShouldShowDebugIndicator): Deleted.
* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::preferencesDidChange):
* UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.h:
* UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm:
(WebKit::RemoteLayerTreeDrawingAreaProxy::RemoteLayerTreeDrawingAreaProxy):
(WebKit::RemoteLayerTreeDrawingAreaProxy::initializeDebugIndicator):
(WebKit::RemoteLayerTreeDrawingAreaProxy::setShouldShowDebugIndicator): Deleted.
The indicator depends on the live layer tree commits coming in, including layer creation,
so it can't be turned on after the root layer is created. Even a refresh is insufficient
to get it working; the debug indicator really needs to exist from the first commit.
So, don't even attempt to dynamically enable the indicator; create it at
RemoteLayerTreeDrawingAreaProxy construction time if the pref is enabled.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2UIProcessDrawingAreaProxyh">trunk/Source/WebKit2/UIProcess/DrawingAreaProxy.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebPageProxycpp">trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessmacRemoteLayerTreeDrawingAreaProxyh">trunk/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessmacRemoteLayerTreeDrawingAreaProxymm">trunk/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (170837 => 170838)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-07-07 05:02:34 UTC (rev 170837)
+++ trunk/Source/WebKit2/ChangeLog        2014-07-07 06:04:51 UTC (rev 170838)
</span><span class="lines">@@ -1,3 +1,25 @@
</span><ins>+2014-07-06  Tim Horton  &lt;timothy_horton@apple.com&gt;
+
+        [WK2] Don't support dynamically enabling the RemoteLayerTree debug indicator
+        https://bugs.webkit.org/show_bug.cgi?id=134644
+
+        Reviewed by Darin Adler.
+
+        * UIProcess/DrawingAreaProxy.h:
+        (WebKit::DrawingAreaProxy::setShouldShowDebugIndicator): Deleted.
+        * UIProcess/WebPageProxy.cpp:
+        (WebKit::WebPageProxy::preferencesDidChange):
+        * UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.h:
+        * UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm:
+        (WebKit::RemoteLayerTreeDrawingAreaProxy::RemoteLayerTreeDrawingAreaProxy):
+        (WebKit::RemoteLayerTreeDrawingAreaProxy::initializeDebugIndicator):
+        (WebKit::RemoteLayerTreeDrawingAreaProxy::setShouldShowDebugIndicator): Deleted.
+        The indicator depends on the live layer tree commits coming in, including layer creation,
+        so it can't be turned on after the root layer is created. Even a refresh is insufficient
+        to get it working; the debug indicator really needs to exist from the first commit.
+        So, don't even attempt to dynamically enable the indicator; create it at
+        RemoteLayerTreeDrawingAreaProxy construction time if the pref is enabled.
+
</ins><span class="cx"> 2014-07-06  Yoav Weiss  &lt;yoav@yoav.ws&gt;
</span><span class="cx"> 
</span><span class="cx">         Turn on img@sizes compile flag
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessDrawingAreaProxyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/DrawingAreaProxy.h (170837 => 170838)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/DrawingAreaProxy.h        2014-07-07 05:02:34 UTC (rev 170837)
+++ trunk/Source/WebKit2/UIProcess/DrawingAreaProxy.h        2014-07-07 06:04:51 UTC (rev 170838)
</span><span class="lines">@@ -83,7 +83,6 @@
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     virtual void updateDebugIndicator() { }
</span><del>-    virtual void setShouldShowDebugIndicator(bool) { }
</del><span class="cx"> 
</span><span class="cx">     virtual void waitForDidUpdateViewState() { }
</span><span class="cx">     
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp (170837 => 170838)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2014-07-07 05:02:34 UTC (rev 170837)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2014-07-07 06:04:51 UTC (rev 170838)
</span><span class="lines">@@ -2384,9 +2384,6 @@
</span><span class="cx">         inspector()-&gt;enableRemoteInspection();
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><del>-    if (m_drawingArea)
-        m_drawingArea-&gt;setShouldShowDebugIndicator(m_preferences-&gt;tiledScrollingIndicatorVisible());
-
</del><span class="cx">     m_process-&gt;pagePreferencesChanged(this);
</span><span class="cx"> 
</span><span class="cx">     m_pageClient.preferencesDidChange();
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessmacRemoteLayerTreeDrawingAreaProxyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.h (170837 => 170838)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.h        2014-07-07 05:02:34 UTC (rev 170837)
+++ trunk/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.h        2014-07-07 06:04:51 UTC (rev 170838)
</span><span class="lines">@@ -62,7 +62,6 @@
</span><span class="cx">     virtual void dispatchAfterEnsuringDrawing(std::function&lt;void (CallbackBase::Error)&gt;) override;
</span><span class="cx"> 
</span><span class="cx">     WebCore::FloatRect scaledExposedRect() const;
</span><del>-    virtual void setShouldShowDebugIndicator(bool) override;
</del><span class="cx"> 
</span><span class="cx"> #if PLATFORM(MAC)
</span><span class="cx">     virtual void setExposedRect(const WebCore::FloatRect&amp;) override;
</span><span class="lines">@@ -72,6 +71,7 @@
</span><span class="cx">     virtual void updateDebugIndicator() override;
</span><span class="cx">     void updateDebugIndicator(WebCore::IntSize contentsSize, bool rootLayerChanged, float scale);
</span><span class="cx">     void updateDebugIndicatorPosition();
</span><ins>+    void initializeDebugIndicator();
</ins><span class="cx"> 
</span><span class="cx">     virtual void waitForDidUpdateViewState() override;
</span><span class="cx">     
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessmacRemoteLayerTreeDrawingAreaProxymm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm (170837 => 170838)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm        2014-07-07 05:02:34 UTC (rev 170837)
+++ trunk/Source/WebKit2/UIProcess/mac/RemoteLayerTreeDrawingAreaProxy.mm        2014-07-07 06:04:51 UTC (rev 170838)
</span><span class="lines">@@ -60,7 +60,8 @@
</span><span class="cx"> 
</span><span class="cx">     m_webPageProxy-&gt;process().addMessageReceiver(Messages::RemoteLayerTreeDrawingAreaProxy::messageReceiverName(), m_webPageProxy-&gt;pageID(), *this);
</span><span class="cx"> 
</span><del>-    setShouldShowDebugIndicator(m_webPageProxy-&gt;preferences().tiledScrollingIndicatorVisible());
</del><ins>+    if (m_webPageProxy-&gt;preferences().tiledScrollingIndicatorVisible())
+        initializeDebugIndicator();
</ins><span class="cx"> 
</span><span class="cx">     m_layerCommitObserver = RunLoopObserver::create(didCommitLayersRunLoopOrder, [this]() {
</span><span class="cx">         this-&gt;coreAnimationDidCommitLayers();
</span><span class="lines">@@ -266,19 +267,8 @@
</span><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void RemoteLayerTreeDrawingAreaProxy::setShouldShowDebugIndicator(bool show)
</del><ins>+void RemoteLayerTreeDrawingAreaProxy::initializeDebugIndicator()
</ins><span class="cx"> {
</span><del>-    if (show == !!m_debugIndicatorLayerTreeHost)
-        return;
-    
-    if (!show) {
-        [m_tileMapHostLayer removeFromSuperlayer];
-        m_tileMapHostLayer = nullptr;
-        m_exposedRectIndicatorLayer = nullptr;
-        m_debugIndicatorLayerTreeHost = nullptr;
-        return;
-    }
-    
</del><span class="cx">     m_debugIndicatorLayerTreeHost = std::make_unique&lt;RemoteLayerTreeHost&gt;(*this);
</span><span class="cx">     m_debugIndicatorLayerTreeHost-&gt;setIsDebugLayerTreeHost(true);
</span><span class="cx"> 
</span></span></pre>
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