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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/163061">163061</a></dd>
<dt>Author</dt> <dd>barraclough@apple.com</dd>
<dt>Date</dt> <dd>2014-01-29 18:10:00 -0800 (Wed, 29 Jan 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Add IsVisibleOrOccluded to ViewState
https://bugs.webkit.org/show_bug.cgi?id=127875

Reviewed by Anders Carlsson.

../WebCore: 

* page/ViewState.h:
    - added IsVisibleOrOccluded

../WebKit2: 

When the WKView associated with a plugin becomes occluded
we tell the plugin it is no longer visible. This is a problem
if the plugin is being occluded by its own fullscreen window.

Instead, consider plugins to be visible any time they are in
a visible window – i.e. when they are visible or occluded.

* UIProcess/API/mac/PageClientImpl.h:
* UIProcess/API/mac/PageClientImpl.mm:
(WebKit::PageClientImpl::isViewVisibleOrOccluded):
* UIProcess/PageClient.h:
(WebKit::PageClient::isViewVisibleOrOccluded):
    - added isViewVisibleOrOccluded.
* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::updateViewState):
    - update IsVisibleOrOccluded.
(WebKit::WebPageProxy::viewStateDidChange):
    - when updating IsVisible also update IsVisibleOrOccluded.
* WebProcess/Plugins/PluginView.cpp:
(WebKit::PluginView::platformViewStateDidChange):
    - use isVisibleOrOccluded to determine plugin visibility.
* WebProcess/WebPage/WebPage.h:
(WebKit::WebPage::isVisibleOrOccluded):
    - accessor.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorepageViewStateh">trunk/Source/WebCore/page/ViewState.h</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPImacPageClientImplh">trunk/Source/WebKit2/UIProcess/API/mac/PageClientImpl.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPImacPageClientImplmm">trunk/Source/WebKit2/UIProcess/API/mac/PageClientImpl.mm</a></li>
<li><a href="#trunkSourceWebKit2UIProcessPageClienth">trunk/Source/WebKit2/UIProcess/PageClient.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebPageProxycpp">trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessPluginsPluginViewcpp">trunk/Source/WebKit2/WebProcess/Plugins/PluginView.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageWebPageh">trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (163060 => 163061)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-01-30 02:07:03 UTC (rev 163060)
+++ trunk/Source/WebCore/ChangeLog        2014-01-30 02:10:00 UTC (rev 163061)
</span><span class="lines">@@ -1,3 +1,13 @@
</span><ins>+2014-01-29  Gavin Barraclough  &lt;barraclough@apple.com&gt;
+
+        Add IsVisibleOrOccluded to ViewState
+        https://bugs.webkit.org/show_bug.cgi?id=127875
+
+        Reviewed by Anders Carlsson.
+
+        * page/ViewState.h:
+            - added IsVisibleOrOccluded
+
</ins><span class="cx"> 2014-01-29  Ryosuke Niwa  &lt;rniwa@webkit.org&gt;
</span><span class="cx"> 
</span><span class="cx">         EventHandler::handleMouseReleaseEvent shouldn't call updateSelectionCachesIfSelectionIsInsideTextFormControl
</span></span></pre></div>
<a id="trunkSourceWebCorepageViewStateh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/ViewState.h (163060 => 163061)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/ViewState.h        2014-01-30 02:07:03 UTC (rev 163060)
+++ trunk/Source/WebCore/page/ViewState.h        2014-01-30 02:10:00 UTC (rev 163061)
</span><span class="lines">@@ -33,14 +33,15 @@
</span><span class="cx">         WindowIsActive = 1 &lt;&lt; 0,
</span><span class="cx">         IsFocused = 1 &lt;&lt; 1,
</span><span class="cx">         IsVisible = 1 &lt;&lt; 2,
</span><del>-        IsInWindow = 1 &lt;&lt; 3,
-        IsVisuallyIdle = 1 &lt;&lt; 4,
</del><ins>+        IsVisibleOrOccluded = 1 &lt;&lt; 3,
+        IsInWindow = 1 &lt;&lt; 4,
+        IsVisuallyIdle = 1 &lt;&lt; 5,
</ins><span class="cx">     };
</span><span class="cx"> 
</span><span class="cx">     typedef unsigned Flags;
</span><span class="cx"> 
</span><span class="cx">     static const Flags NoFlags = 0;
</span><del>-    static const Flags AllFlags = WindowIsActive | IsFocused | IsVisible | IsInWindow | IsVisuallyIdle;
</del><ins>+    static const Flags AllFlags = WindowIsActive | IsFocused | IsVisible | IsVisibleOrOccluded | IsInWindow | IsVisuallyIdle;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (163060 => 163061)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-01-30 02:07:03 UTC (rev 163060)
+++ trunk/Source/WebKit2/ChangeLog        2014-01-30 02:10:00 UTC (rev 163061)
</span><span class="lines">@@ -1,3 +1,35 @@
</span><ins>+2014-01-29  Gavin Barraclough  &lt;barraclough@apple.com&gt;
+
+        Add IsVisibleOrOccluded to ViewState
+        https://bugs.webkit.org/show_bug.cgi?id=127875
+
+        Reviewed by Anders Carlsson.
+
+        When the WKView associated with a plugin becomes occluded
+        we tell the plugin it is no longer visible. This is a problem
+        if the plugin is being occluded by its own fullscreen window.
+
+        Instead, consider plugins to be visible any time they are in
+        a visible window – i.e. when they are visible or occluded.
+
+        * UIProcess/API/mac/PageClientImpl.h:
+        * UIProcess/API/mac/PageClientImpl.mm:
+        (WebKit::PageClientImpl::isViewVisibleOrOccluded):
+        * UIProcess/PageClient.h:
+        (WebKit::PageClient::isViewVisibleOrOccluded):
+            - added isViewVisibleOrOccluded.
+        * UIProcess/WebPageProxy.cpp:
+        (WebKit::WebPageProxy::updateViewState):
+            - update IsVisibleOrOccluded.
+        (WebKit::WebPageProxy::viewStateDidChange):
+            - when updating IsVisible also update IsVisibleOrOccluded.
+        * WebProcess/Plugins/PluginView.cpp:
+        (WebKit::PluginView::platformViewStateDidChange):
+            - use isVisibleOrOccluded to determine plugin visibility.
+        * WebProcess/WebPage/WebPage.h:
+        (WebKit::WebPage::isVisibleOrOccluded):
+            - accessor.
+
</ins><span class="cx"> 2014-01-29  Anders Carlsson  &lt;andersca@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Pass navigation IDs along to LoadRequest and Reload
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPImacPageClientImplh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/mac/PageClientImpl.h (163060 => 163061)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/mac/PageClientImpl.h        2014-01-30 02:07:03 UTC (rev 163060)
+++ trunk/Source/WebKit2/UIProcess/API/mac/PageClientImpl.h        2014-01-30 02:10:00 UTC (rev 163061)
</span><span class="lines">@@ -64,6 +64,7 @@
</span><span class="cx">     virtual bool isViewWindowActive();
</span><span class="cx">     virtual bool isViewFocused();
</span><span class="cx">     virtual bool isViewVisible();
</span><ins>+    virtual bool isViewVisibleOrOccluded();
</ins><span class="cx">     virtual bool isViewInWindow();
</span><span class="cx">     virtual bool isVisuallyIdle();
</span><span class="cx">     virtual LayerHostingMode viewLayerHostingMode() override;
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPImacPageClientImplmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/mac/PageClientImpl.mm (163060 => 163061)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/mac/PageClientImpl.mm        2014-01-30 02:07:03 UTC (rev 163060)
+++ trunk/Source/WebKit2/UIProcess/API/mac/PageClientImpl.mm        2014-01-30 02:10:00 UTC (rev 163061)
</span><span class="lines">@@ -207,6 +207,11 @@
</span><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+bool PageClientImpl::isViewVisibleOrOccluded()
+{
+    return [[m_wkView window] isVisible];
+}
+
</ins><span class="cx"> bool PageClientImpl::isViewInWindow()
</span><span class="cx"> {
</span><span class="cx">     return [m_wkView window];
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessPageClienth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/PageClient.h (163060 => 163061)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/PageClient.h        2014-01-30 02:07:03 UTC (rev 163060)
+++ trunk/Source/WebKit2/UIProcess/PageClient.h        2014-01-30 02:10:00 UTC (rev 163061)
</span><span class="lines">@@ -105,6 +105,9 @@
</span><span class="cx">     // Return whether the view is visible.
</span><span class="cx">     virtual bool isViewVisible() = 0;
</span><span class="cx"> 
</span><ins>+    // Return whether the view is visible, or occluded by another window.
+    virtual bool isViewVisibleOrOccluded() { return isViewVisible(); }
+
</ins><span class="cx">     // Return whether the view is in a window.
</span><span class="cx">     virtual bool isViewInWindow() = 0;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp (163060 => 163061)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2014-01-30 02:07:03 UTC (rev 163060)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2014-01-30 02:10:00 UTC (rev 163061)
</span><span class="lines">@@ -934,6 +934,8 @@
</span><span class="cx">         m_viewState |= ViewState::WindowIsActive;
</span><span class="cx">     if (flagsToUpdate &amp; ViewState::IsVisible &amp;&amp; m_pageClient.isViewVisible())
</span><span class="cx">         m_viewState |= ViewState::IsVisible;
</span><ins>+    if (flagsToUpdate &amp; ViewState::IsVisibleOrOccluded &amp;&amp; m_pageClient.isViewVisibleOrOccluded())
+        m_viewState |= ViewState::IsVisibleOrOccluded;
</ins><span class="cx">     if (flagsToUpdate &amp; ViewState::IsInWindow &amp;&amp; m_pageClient.isViewInWindow())
</span><span class="cx">         m_viewState |= ViewState::IsInWindow;
</span><span class="cx">     if (flagsToUpdate &amp; ViewState::IsVisuallyIdle &amp;&amp; m_pageClient.isVisuallyIdle())
</span><span class="lines">@@ -945,9 +947,9 @@
</span><span class="cx">     if (!isValid())
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    // If the visibility state may have changed, then so may the visually idle.
</del><ins>+    // If the visibility state may have changed, then so may the visually idle &amp; occluded agnostic state.
</ins><span class="cx">     if (mayHaveChanged &amp; ViewState::IsVisible)
</span><del>-        mayHaveChanged |= ViewState::IsVisuallyIdle;
</del><ins>+        mayHaveChanged |= ViewState::IsVisibleOrOccluded | ViewState::IsVisuallyIdle;
</ins><span class="cx"> 
</span><span class="cx">     // Record the prior view state, update the flags that may have changed,
</span><span class="cx">     // and check which flags have actually changed.
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessPluginsPluginViewcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/Plugins/PluginView.cpp (163060 => 163061)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/Plugins/PluginView.cpp        2014-01-30 02:07:03 UTC (rev 163060)
+++ trunk/Source/WebKit2/WebProcess/Plugins/PluginView.cpp        2014-01-30 02:10:00 UTC (rev 163061)
</span><span class="lines">@@ -509,8 +509,8 @@
</span><span class="cx">     if (!m_plugin || !m_isInitialized)
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    if (changed &amp; ViewState::IsVisible)
-        m_plugin-&gt;windowVisibilityChanged(m_webPage-&gt;isVisible());
</del><ins>+    if (changed &amp; ViewState::IsVisibleOrOccluded)
+        m_plugin-&gt;windowVisibilityChanged(m_webPage-&gt;isVisibleOrOccluded());
</ins><span class="cx">     if (changed &amp; ViewState::WindowIsActive)
</span><span class="cx">         m_plugin-&gt;windowFocusChanged(m_webPage-&gt;windowIsFocused());
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h (163060 => 163061)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2014-01-30 02:07:03 UTC (rev 163060)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2014-01-30 02:10:00 UTC (rev 163061)
</span><span class="lines">@@ -361,6 +361,7 @@
</span><span class="cx">     void removePluginView(PluginView*);
</span><span class="cx"> 
</span><span class="cx">     bool isVisible() const { return m_viewState &amp; WebCore::ViewState::IsVisible; }
</span><ins>+    bool isVisibleOrOccluded() const { return m_viewState &amp; WebCore::ViewState::IsVisibleOrOccluded; }
</ins><span class="cx"> 
</span><span class="cx">     LayerHostingMode layerHostingMode() const { return m_layerHostingMode; }
</span><span class="cx">     void setLayerHostingMode(unsigned);
</span></span></pre>
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