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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/180393">180393</a></dd>
<dt>Author</dt> <dd>dburkart@apple.com</dd>
<dt>Date</dt> <dd>2015-02-19 23:28:56 -0800 (Thu, 19 Feb 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>Merged <a href="http://trac.webkit.org/projects/webkit/changeset/180115">r180115</a>. &lt;rdar://19850758&gt;</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari6005branchSourceWebKit2ChangeLog">branches/safari-600.5-branch/Source/WebKit2/ChangeLog</a></li>
<li><a href="#branchessafari6005branchSourceWebKit2UIProcessWebPageProxycpp">branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.cpp</a></li>
<li><a href="#branchessafari6005branchSourceWebKit2UIProcessWebPageProxyh">branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.h</a></li>
<li><a href="#branchessafari6005branchSourceWebKit2UIProcessWebPageProxymessagesin">branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.messages.in</a></li>
<li><a href="#branchessafari6005branchSourceWebKit2WebProcessPluginsPluginViewcpp">branches/safari-600.5-branch/Source/WebKit2/WebProcess/Plugins/PluginView.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="branchessafari6005branchSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-600.5-branch/Source/WebKit2/ChangeLog (180392 => 180393)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.5-branch/Source/WebKit2/ChangeLog        2015-02-20 07:18:54 UTC (rev 180392)
+++ branches/safari-600.5-branch/Source/WebKit2/ChangeLog        2015-02-20 07:28:56 UTC (rev 180393)
</span><span class="lines">@@ -1,5 +1,39 @@
</span><span class="cx"> 2015-02-19  Dana Burkart  &lt;dburkart@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        Merged r180115. &lt;rdar://problem/19850758&gt;
+
+    2015-02-14  Beth Dakin  &lt;bdakin@apple.com&gt;
+
+            REGRESSION: Page opens with enlarged font after visiting PDF, navigating back, 
+            then doing a process swap
+            https://bugs.webkit.org/show_bug.cgi?id=141584
+            -and corresponding-
+            rdar://problem/18167729
+
+            Reviewed by Tim Horton.
+
+            This patch keeps the plugin zoom/scale factors separate from page zoom/scale 
+            factors in the UI process since they are used for slightly different purposes for 
+            plugins (i.e., PDFs) than they are for normal pages. Keeping track of the right 
+            factor for the right type of document will ensure that we don’t use the wrong one.
+
+            * UIProcess/WebPageProxy.cpp:
+            (WebKit::WebPageProxy::WebPageProxy):
+            (WebKit::WebPageProxy::pageZoomFactor):
+            (WebKit::WebPageProxy::pageScaleFactor):
+            (WebKit::WebPageProxy::pluginScaleFactorDidChange):
+            (WebKit::WebPageProxy::pluginZoomFactorDidChange):
+            (WebKit::WebPageProxy::didCommitLoadForFrame):
+            (WebKit::WebPageProxy::pageZoomFactorDidChange): Deleted.
+            * UIProcess/WebPageProxy.h:
+            (WebKit::WebPageProxy::pageZoomFactor): Deleted.
+            (WebKit::WebPageProxy::pageScaleFactor): Deleted.
+            * UIProcess/WebPageProxy.messages.in:
+            * WebProcess/Plugins/PluginView.cpp:
+            (WebKit::PluginView::setPageScaleFactor):
+
+2015-02-19  Dana Burkart  &lt;dburkart@apple.com&gt;
+
</ins><span class="cx">         Merged r180094. &lt;rdar://problem/19850716&gt;
</span><span class="cx"> 
</span><span class="cx">     2015-02-13  Simon Fraser  &lt;simon.fraser@apple.com&gt;
</span></span></pre></div>
<a id="branchessafari6005branchSourceWebKit2UIProcessWebPageProxycpp"></a>
<div class="modfile"><h4>Modified: branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.cpp (180392 => 180393)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.cpp        2015-02-20 07:18:54 UTC (rev 180392)
+++ branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.cpp        2015-02-20 07:28:56 UTC (rev 180393)
</span><span class="lines">@@ -291,6 +291,8 @@
</span><span class="cx">     , m_textZoomFactor(1)
</span><span class="cx">     , m_pageZoomFactor(1)
</span><span class="cx">     , m_pageScaleFactor(1)
</span><ins>+    , m_pluginZoomFactor(1)
+    , m_pluginScaleFactor(1)
</ins><span class="cx">     , m_intrinsicDeviceScaleFactor(1)
</span><span class="cx">     , m_customDeviceScaleFactor(0)
</span><span class="cx">     , m_topContentInset(0)
</span><span class="lines">@@ -2007,6 +2009,24 @@
</span><span class="cx">     m_process-&gt;send(Messages::WebPage::SetPageAndTextZoomFactors(m_pageZoomFactor, m_textZoomFactor), m_pageID); 
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+double WebPageProxy::pageZoomFactor() const
+{
+    // Zoom factor for non-PDF pages persists across page loads. We maintain a separate member variable for PDF
+    // zoom which ensures that we don't use the PDF zoom for a normal page.
+    if (m_mainFrame &amp;&amp; m_mainFrame-&gt;isDisplayingPDFDocument())
+        return m_pluginZoomFactor;
+    return m_pageZoomFactor;
+}
+
+double WebPageProxy::pageScaleFactor() const
+{
+    // PDF documents use zoom and scale factors to size themselves appropriately in the window. We store them
+    // separately but decide which to return based on the main frame.
+    if (m_mainFrame &amp;&amp; m_mainFrame-&gt;isDisplayingPDFDocument())
+        return m_pluginScaleFactor;
+    return m_pageScaleFactor;
+}
+
</ins><span class="cx"> void WebPageProxy::scalePage(double scale, const IntPoint&amp; origin)
</span><span class="cx"> {
</span><span class="cx">     if (!isValid())
</span><span class="lines">@@ -2265,11 +2285,16 @@
</span><span class="cx">     m_pageScaleFactor = scaleFactor;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebPageProxy::pageZoomFactorDidChange(double zoomFactor)
</del><ins>+void WebPageProxy::pluginScaleFactorDidChange(double pluginScaleFactor)
</ins><span class="cx"> {
</span><del>-    m_pageZoomFactor = zoomFactor;
</del><ins>+    m_pluginScaleFactor = pluginScaleFactor;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WebPageProxy::pluginZoomFactorDidChange(double pluginZoomFactor)
+{
+    m_pluginZoomFactor = pluginZoomFactor;
+}
+
</ins><span class="cx"> void WebPageProxy::findStringMatches(const String&amp; string, FindOptions options, unsigned maxMatchCount)
</span><span class="cx"> {
</span><span class="cx">     if (string.isEmpty()) {
</span><span class="lines">@@ -2663,8 +2688,10 @@
</span><span class="cx">     // WebPageProxy's cache of the value can get out of sync (e.g. in the case where a
</span><span class="cx">     // plugin is handling page scaling itself) so we should reset it to the default
</span><span class="cx">     // for standard main frame loads.
</span><del>-    if (frame-&gt;isMainFrame() &amp;&amp; static_cast&lt;FrameLoadType&gt;(opaqueFrameLoadType) == FrameLoadType::Standard)
</del><ins>+    if (frame-&gt;isMainFrame() &amp;&amp; static_cast&lt;FrameLoadType&gt;(opaqueFrameLoadType) == FrameLoadType::Standard) {
</ins><span class="cx">         m_pageScaleFactor = 1;
</span><ins>+        m_pluginScaleFactor = 1;
+    }
</ins><span class="cx"> 
</span><span class="cx">     m_pageLoadState.commitChanges();
</span><span class="cx">     m_loaderClient-&gt;didCommitLoadForFrame(this, frame, navigationID, userData.get());
</span></span></pre></div>
<a id="branchessafari6005branchSourceWebKit2UIProcessWebPageProxyh"></a>
<div class="modfile"><h4>Modified: branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.h (180392 => 180393)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.h        2015-02-20 07:18:54 UTC (rev 180392)
+++ branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.h        2015-02-20 07:28:56 UTC (rev 180393)
</span><span class="lines">@@ -568,13 +568,13 @@
</span><span class="cx">     bool supportsTextZoom() const;
</span><span class="cx">     double textZoomFactor() const { return m_textZoomFactor; }
</span><span class="cx">     void setTextZoomFactor(double);
</span><del>-    double pageZoomFactor() const { return m_pageZoomFactor; }
</del><ins>+    double pageZoomFactor() const;
</ins><span class="cx">     void setPageZoomFactor(double);
</span><span class="cx">     void setPageAndTextZoomFactors(double pageZoomFactor, double textZoomFactor);
</span><span class="cx"> 
</span><span class="cx">     void scalePage(double scale, const WebCore::IntPoint&amp; origin);
</span><span class="cx">     void scalePageInViewCoordinates(double scale, const WebCore::IntPoint&amp; centerInViewCoordinates);
</span><del>-    double pageScaleFactor() const { return m_pageScaleFactor; }
</del><ins>+    double pageScaleFactor() const;
</ins><span class="cx"> 
</span><span class="cx">     float deviceScaleFactor() const;
</span><span class="cx">     void setIntrinsicDeviceScaleFactor(float);
</span><span class="lines">@@ -647,7 +647,8 @@
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     void pageScaleFactorDidChange(double);
</span><del>-    void pageZoomFactorDidChange(double);
</del><ins>+    void pluginScaleFactorDidChange(double);
+    void pluginZoomFactorDidChange(double);
</ins><span class="cx"> 
</span><span class="cx">     // Find.
</span><span class="cx">     void findString(const String&amp;, FindOptions, unsigned maxMatchCount);
</span><span class="lines">@@ -1406,6 +1407,8 @@
</span><span class="cx">     double m_textZoomFactor;
</span><span class="cx">     double m_pageZoomFactor;
</span><span class="cx">     double m_pageScaleFactor;
</span><ins>+    double m_pluginZoomFactor;
+    double m_pluginScaleFactor;
</ins><span class="cx">     float m_intrinsicDeviceScaleFactor;
</span><span class="cx">     float m_customDeviceScaleFactor;
</span><span class="cx">     float m_topContentInset;
</span></span></pre></div>
<a id="branchessafari6005branchSourceWebKit2UIProcessWebPageProxymessagesin"></a>
<div class="modfile"><h4>Modified: branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.messages.in (180392 => 180393)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.messages.in        2015-02-20 07:18:54 UTC (rev 180392)
+++ branches/safari-600.5-branch/Source/WebKit2/UIProcess/WebPageProxy.messages.in        2015-02-20 07:28:56 UTC (rev 180393)
</span><span class="lines">@@ -189,7 +189,8 @@
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     PageScaleFactorDidChange(double scaleFactor)
</span><del>-    PageZoomFactorDidChange(double zoomFactor)
</del><ins>+    PluginScaleFactorDidChange(double zoomFactor)
+    PluginZoomFactorDidChange(double zoomFactor)
</ins><span class="cx"> 
</span><span class="cx"> #if PLATFORM(GTK)
</span><span class="cx">     # Support for GTK+ platform keybindings
</span></span></pre></div>
<a id="branchessafari6005branchSourceWebKit2WebProcessPluginsPluginViewcpp"></a>
<div class="modfile"><h4>Modified: branches/safari-600.5-branch/Source/WebKit2/WebProcess/Plugins/PluginView.cpp (180392 => 180393)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.5-branch/Source/WebKit2/WebProcess/Plugins/PluginView.cpp        2015-02-20 07:18:54 UTC (rev 180392)
+++ branches/safari-600.5-branch/Source/WebKit2/WebProcess/Plugins/PluginView.cpp        2015-02-20 07:28:56 UTC (rev 180393)
</span><span class="lines">@@ -480,8 +480,8 @@
</span><span class="cx"> void PluginView::setPageScaleFactor(double scaleFactor, IntPoint)
</span><span class="cx"> {
</span><span class="cx">     m_pageScaleFactor = scaleFactor;
</span><del>-    m_webPage-&gt;send(Messages::WebPageProxy::PageScaleFactorDidChange(scaleFactor));
-    m_webPage-&gt;send(Messages::WebPageProxy::PageZoomFactorDidChange(scaleFactor));
</del><ins>+    m_webPage-&gt;send(Messages::WebPageProxy::PluginScaleFactorDidChange(scaleFactor));
+    m_webPage-&gt;send(Messages::WebPageProxy::PluginZoomFactorDidChange(scaleFactor));
</ins><span class="cx">     pageScaleFactorDidChange();
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre>
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