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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/162452">162452</a></dd>
<dt>Author</dt> <dd>barraclough@apple.com</dd>
<dt>Date</dt> <dd>2014-01-21 11:02:08 -0800 (Tue, 21 Jan 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Change Page, FocusController to use ViewState
https://bugs.webkit.org/show_bug.cgi?id=126533

Reviewed by Tim Horton.

These classes currently maintain a set of separate fields to represent the view state;
combine these into a single field, and allow WebPage to send the combined update rather
than individual changes.

Maintain existing interface for WebKit1 clients.

Source/WebCore: 

* WebCore.exp.in:
    - Added WebCore::setViewState, removed WebCore::setIsVisuallyIdle.
* page/FocusController.cpp:
(WebCore::FocusController::FocusController):
    - Initialize combined m_viewState.
(WebCore::FocusController::setFocused):
    - Calls setViewState.
(WebCore::FocusController::setFocusedInternal):
    - setFocused -&gt; setFocusedInternal.
(WebCore::FocusController::setViewState):
    - Added, update all ViewState flags.
(WebCore::FocusController::setActive):
    - Calls setViewState.
(WebCore::FocusController::setActiveInternal):
    - setActive -&gt; setActiveInternal.
(WebCore::FocusController::setContentIsVisible):
    - Calls setViewState.
(WebCore::FocusController::setContentIsVisibleInternal):
    - setContentIsVisible -&gt; setContentIsVisibleInternal.
* page/FocusController.h:
(WebCore::FocusController::isActive):
(WebCore::FocusController::isFocused):
(WebCore::FocusController::contentIsVisible):
    - Implemented in terms of ViewState.
* page/Page.cpp:
(WebCore::Page::Page):
    - Initialize using PageInitialViewState.
(WebCore::Page::setIsInWindow):
    - Calls setViewState.
(WebCore::Page::setIsInWindowInternal):
    - setIsInWindow -&gt; setIsInWindowInternal.
(WebCore::Page::setIsVisuallyIdleInternal):
    - setIsVisuallyIdle -&gt; setIsVisuallyIdleInternal.
(WebCore::Page::setViewState):
    - Added, update all ViewState flags, including FocusController.
(WebCore::Page::setIsVisible):
    - Calls setViewState.
(WebCore::Page::setIsVisibleInternal):
    - setIsVisible -&gt; setIsVisibleInternal.
(WebCore::Page::visibilityState):
    - m_isVisible -&gt; isVisible()
(WebCore::Page::hiddenPageCSSAnimationSuspensionStateChanged):
    - m_isVisible -&gt; isVisible()
* page/Page.h:
(WebCore::Page::isVisible):
(WebCore::Page::isInWindow):
    - Implemented in terms of ViewState.
(WebCore::Page::scriptedAnimationsSuspended):
    - Combined member fields into ViewState::Flags.

Source/WebKit/mac: 

* WebView/WebView.mm:
(-[WebView _windowWillOrderOnScreen:]):
(-[WebView _windowWillOrderOffScreen:]):
    - remove calls to FocusController::setContentIsVisible, these are redundant
      (this is handled when page visibility is set).

Source/WebKit2: 

* WebProcess/WebPage/WebPage.cpp:
(WebKit::WebPage::WebPage):
    - Combined separate calls to Page::setViewState.
(WebKit::WebPage::updateIsInWindow):
    - Simplied from setIsInWindow.
(WebKit::WebPage::setViewState):
    - Combined separate calls to Page::setViewState.
* WebProcess/WebPage/WebPage.h:
    - Declare updateIsInWindow.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreWebCoreexpin">trunk/Source/WebCore/WebCore.exp.in</a></li>
<li><a href="#trunkSourceWebCorepageFocusControllercpp">trunk/Source/WebCore/page/FocusController.cpp</a></li>
<li><a href="#trunkSourceWebCorepageFocusControllerh">trunk/Source/WebCore/page/FocusController.h</a></li>
<li><a href="#trunkSourceWebCorepagePagecpp">trunk/Source/WebCore/page/Page.cpp</a></li>
<li><a href="#trunkSourceWebCorepagePageh">trunk/Source/WebCore/page/Page.h</a></li>
<li><a href="#trunkSourceWebKitmacChangeLog">trunk/Source/WebKit/mac/ChangeLog</a></li>
<li><a href="#trunkSourceWebKitmacWebViewWebViewmm">trunk/Source/WebKit/mac/WebView/WebView.mm</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageWebPagecpp">trunk/Source/WebKit2/WebProcess/WebPage/WebPage.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 (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebCore/ChangeLog        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -1,3 +1,66 @@
</span><ins>+2014-01-21  Gavin Barraclough  &lt;barraclough@apple.com&gt;
+
+        Change Page, FocusController to use ViewState
+        https://bugs.webkit.org/show_bug.cgi?id=126533
+
+        Reviewed by Tim Horton.
+
+        These classes currently maintain a set of separate fields to represent the view state;
+        combine these into a single field, and allow WebPage to send the combined update rather
+        than individual changes.
+
+        Maintain existing interface for WebKit1 clients.
+
+        * WebCore.exp.in:
+            - Added WebCore::setViewState, removed WebCore::setIsVisuallyIdle.
+        * page/FocusController.cpp:
+        (WebCore::FocusController::FocusController):
+            - Initialize combined m_viewState.
+        (WebCore::FocusController::setFocused):
+            - Calls setViewState.
+        (WebCore::FocusController::setFocusedInternal):
+            - setFocused -&gt; setFocusedInternal.
+        (WebCore::FocusController::setViewState):
+            - Added, update all ViewState flags.
+        (WebCore::FocusController::setActive):
+            - Calls setViewState.
+        (WebCore::FocusController::setActiveInternal):
+            - setActive -&gt; setActiveInternal.
+        (WebCore::FocusController::setContentIsVisible):
+            - Calls setViewState.
+        (WebCore::FocusController::setContentIsVisibleInternal):
+            - setContentIsVisible -&gt; setContentIsVisibleInternal.
+        * page/FocusController.h:
+        (WebCore::FocusController::isActive):
+        (WebCore::FocusController::isFocused):
+        (WebCore::FocusController::contentIsVisible):
+            - Implemented in terms of ViewState.
+        * page/Page.cpp:
+        (WebCore::Page::Page):
+            - Initialize using PageInitialViewState.
+        (WebCore::Page::setIsInWindow):
+            - Calls setViewState.
+        (WebCore::Page::setIsInWindowInternal):
+            - setIsInWindow -&gt; setIsInWindowInternal.
+        (WebCore::Page::setIsVisuallyIdleInternal):
+            - setIsVisuallyIdle -&gt; setIsVisuallyIdleInternal.
+        (WebCore::Page::setViewState):
+            - Added, update all ViewState flags, including FocusController.
+        (WebCore::Page::setIsVisible):
+            - Calls setViewState.
+        (WebCore::Page::setIsVisibleInternal):
+            - setIsVisible -&gt; setIsVisibleInternal.
+        (WebCore::Page::visibilityState):
+            - m_isVisible -&gt; isVisible()
+        (WebCore::Page::hiddenPageCSSAnimationSuspensionStateChanged):
+            - m_isVisible -&gt; isVisible()
+        * page/Page.h:
+        (WebCore::Page::isVisible):
+        (WebCore::Page::isInWindow):
+            - Implemented in terms of ViewState.
+        (WebCore::Page::scriptedAnimationsSuspended):
+            - Combined member fields into ViewState::Flags.
+
</ins><span class="cx"> 2014-01-21  Lauro Neto  &lt;lauro.neto@openbossa.org&gt;
</span><span class="cx"> 
</span><span class="cx">         Remove PLATFORM(NIX) from WebCore
</span></span></pre></div>
<a id="trunkSourceWebCoreWebCoreexpin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/WebCore.exp.in (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/WebCore.exp.in        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebCore/WebCore.exp.in        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -484,7 +484,6 @@
</span><span class="cx"> __ZN7WebCore15FocusController15setFocusedFrameEN3WTF10PassRefPtrINS_5FrameEEE
</span><span class="cx"> __ZN7WebCore15FocusController15setInitialFocusENS_14FocusDirectionEPNS_13KeyboardEventE
</span><span class="cx"> __ZN7WebCore15FocusController17setFocusedElementEPNS_7ElementEN3WTF10PassRefPtrINS_5FrameEEENS_14FocusDirectionE
</span><del>-__ZN7WebCore15FocusController19setContentIsVisibleEb
</del><span class="cx"> __ZN7WebCore15FocusController9setActiveEb
</span><span class="cx"> __ZN7WebCore15GraphicsContext10strokeRectERKNS_9FloatRectEf
</span><span class="cx"> __ZN7WebCore15GraphicsContext11clearShadowEv
</span><span class="lines">@@ -975,6 +974,7 @@
</span><span class="cx"> __ZN7WebCore4Page11PageClientsD1Ev
</span><span class="cx"> __ZN7WebCore4Page12setGroupNameERKN3WTF6StringE
</span><span class="cx"> __ZN7WebCore4Page12setIsVisibleEbb
</span><ins>+__ZN7WebCore4Page12setViewStateEjb
</ins><span class="cx"> __ZN7WebCore4Page13rangeOfStringERKN3WTF6StringEPNS_5RangeEj
</span><span class="cx"> __ZN7WebCore4Page13setIsInWindowEb
</span><span class="cx"> __ZN7WebCore4Page13setPaginationERKNS_10PaginationE
</span><span class="lines">@@ -984,7 +984,6 @@
</span><span class="cx"> __ZN7WebCore4Page16countFindMatchesERKN3WTF6StringEjj
</span><span class="cx"> __ZN7WebCore4Page16setCanStartMediaEb
</span><span class="cx"> __ZN7WebCore4Page16setDefersLoadingEb
</span><del>-__ZN7WebCore4Page17setIsVisuallyIdleEb
</del><span class="cx"> __ZN7WebCore4Page18removeSchedulePairEN3WTF10PassRefPtrINS1_12SchedulePairEEE
</span><span class="cx"> __ZN7WebCore4Page18setPageScaleFactorEfRKNS_8IntPointE
</span><span class="cx"> #if ENABLE(RUBBER_BANDING)
</span></span></pre></div>
<a id="trunkSourceWebCorepageFocusControllercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/FocusController.cpp (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/FocusController.cpp        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebCore/page/FocusController.cpp        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -158,12 +158,10 @@
</span><span class="cx">     return element.isKeyboardFocusable(&amp;event) || isNonFocusableShadowHost(element, event);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-FocusController::FocusController(Page&amp; page)
</del><ins>+FocusController::FocusController(Page&amp; page, ViewState::Flags viewState)
</ins><span class="cx">     : m_page(page)
</span><del>-    , m_isActive(false)
-    , m_isFocused(false)
</del><span class="cx">     , m_isChangingFocusedFrame(false)
</span><del>-    , m_contentIsVisible(false)
</del><ins>+    , m_viewState(viewState)
</ins><span class="cx"> {
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -205,12 +203,12 @@
</span><span class="cx"> 
</span><span class="cx"> void FocusController::setFocused(bool focused)
</span><span class="cx"> {
</span><del>-    if (isFocused() == focused)
-        return;
-    
-    m_isFocused = focused;
</del><ins>+    m_page.setViewState(focused ? m_viewState | ViewState::IsFocused : m_viewState &amp; ~ViewState::IsFocused);
+}
</ins><span class="cx"> 
</span><del>-    if (!m_isFocused)
</del><ins>+void FocusController::setFocusedInternal(bool focused)
+{
+    if (!isFocused())
</ins><span class="cx">         focusedOrMainFrame().eventHandler().stopAutoscrollTimer();
</span><span class="cx"> 
</span><span class="cx">     if (!m_focusedFrame)
</span><span class="lines">@@ -635,13 +633,26 @@
</span><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void FocusController::setViewState(ViewState::Flags viewState)
+{
+    ViewState::Flags changed = m_viewState ^ viewState;
+    m_viewState = viewState;
+
+    if (changed &amp; ViewState::IsFocused)
+        setFocusedInternal(viewState &amp; ViewState::IsFocused);
+    if (changed &amp; ViewState::WindowIsActive)
+        setActiveInternal(viewState &amp; ViewState::WindowIsActive);
+    if (changed &amp; ViewState::IsVisible)
+        setIsVisibleInternal(viewState &amp; ViewState::IsVisible);
+}
+
</ins><span class="cx"> void FocusController::setActive(bool active)
</span><span class="cx"> {
</span><del>-    if (m_isActive == active)
-        return;
</del><ins>+    m_page.setViewState(active ? m_viewState | ViewState::WindowIsActive : m_viewState &amp; ~ViewState::WindowIsActive);
+}
</ins><span class="cx"> 
</span><del>-    m_isActive = active;
-
</del><ins>+void FocusController::setActiveInternal(bool active)
+{
</ins><span class="cx">     if (FrameView* view = m_page.mainFrame().view()) {
</span><span class="cx">         if (!view-&gt;platformWidget()) {
</span><span class="cx">             view-&gt;updateLayoutAndStyleIfNeededRecursive();
</span><span class="lines">@@ -663,13 +674,8 @@
</span><span class="cx">         scrollableArea-&gt;contentAreaDidHide();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void FocusController::setContentIsVisible(bool contentIsVisible)
</del><ins>+void FocusController::setIsVisibleInternal(bool contentIsVisible)
</ins><span class="cx"> {
</span><del>-    if (m_contentIsVisible == contentIsVisible)
-        return;
-
-    m_contentIsVisible = contentIsVisible;
-
</del><span class="cx">     FrameView* view = m_page.mainFrame().view();
</span><span class="cx">     if (!view)
</span><span class="cx">         return;
</span></span></pre></div>
<a id="trunkSourceWebCorepageFocusControllerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/FocusController.h (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/FocusController.h        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebCore/page/FocusController.h        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -28,6 +28,7 @@
</span><span class="cx"> 
</span><span class="cx"> #include &quot;FocusDirection.h&quot;
</span><span class="cx"> #include &quot;LayoutRect.h&quot;
</span><ins>+#include &quot;ViewState.h&quot;
</ins><span class="cx"> #include &lt;wtf/Forward.h&gt;
</span><span class="cx"> #include &lt;wtf/Noncopyable.h&gt;
</span><span class="cx"> #include &lt;wtf/RefPtr.h&gt;
</span><span class="lines">@@ -62,7 +63,7 @@
</span><span class="cx"> class FocusController {
</span><span class="cx">     WTF_MAKE_NONCOPYABLE(FocusController); WTF_MAKE_FAST_ALLOCATED;
</span><span class="cx"> public:
</span><del>-    explicit FocusController(Page&amp;);
</del><ins>+    explicit FocusController(Page&amp;, ViewState::Flags);
</ins><span class="cx"> 
</span><span class="cx">     void setFocusedFrame(PassRefPtr&lt;Frame&gt;);
</span><span class="cx">     Frame* focusedFrame() const { return m_focusedFrame.get(); }
</span><span class="lines">@@ -73,19 +74,25 @@
</span><span class="cx"> 
</span><span class="cx">     bool setFocusedElement(Element*, PassRefPtr&lt;Frame&gt;, FocusDirection = FocusDirectionNone);
</span><span class="cx"> 
</span><ins>+    void setViewState(ViewState::Flags);
+
</ins><span class="cx">     void setActive(bool);
</span><del>-    bool isActive() const { return m_isActive; }
</del><ins>+    bool isActive() const { return m_viewState &amp; ViewState::WindowIsActive; }
</ins><span class="cx"> 
</span><span class="cx">     void setFocused(bool);
</span><del>-    bool isFocused() const { return m_isFocused; }
</del><ins>+    bool isFocused() const { return m_viewState &amp; ViewState::IsFocused; }
</ins><span class="cx"> 
</span><del>-    void setContentIsVisible(bool);
</del><ins>+    bool contentIsVisible() const { return m_viewState &amp; ViewState::IsVisible; }
</ins><span class="cx"> 
</span><span class="cx">     // These methods are used in WebCore/bindings/objc/DOM.mm.
</span><span class="cx">     Element* nextFocusableElement(FocusNavigationScope, Node* start, KeyboardEvent*);
</span><span class="cx">     Element* previousFocusableElement(FocusNavigationScope, Node* start, KeyboardEvent*);
</span><span class="cx"> 
</span><span class="cx"> private:
</span><ins>+    void setActiveInternal(bool);
+    void setFocusedInternal(bool);
+    void setIsVisibleInternal(bool);
+
</ins><span class="cx">     bool advanceFocusDirectionally(FocusDirection, KeyboardEvent*);
</span><span class="cx">     bool advanceFocusInDocumentOrder(FocusDirection, KeyboardEvent*, bool initialFocus);
</span><span class="cx"> 
</span><span class="lines">@@ -111,11 +118,8 @@
</span><span class="cx"> 
</span><span class="cx">     Page&amp; m_page;
</span><span class="cx">     RefPtr&lt;Frame&gt; m_focusedFrame;
</span><del>-    bool m_isActive;
-    bool m_isFocused;
</del><span class="cx">     bool m_isChangingFocusedFrame;
</span><del>-    bool m_contentIsVisible;
-
</del><ins>+    ViewState::Flags m_viewState;
</ins><span class="cx"> };
</span><span class="cx"> 
</span><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCorepagePagecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Page.cpp (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Page.cpp        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebCore/page/Page.cpp        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -124,13 +124,15 @@
</span><span class="cx">     return page-&gt;deviceScaleFactor();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+static const ViewState::Flags PageInitialViewState = ViewState::IsVisible | ViewState::IsInWindow;
+
</ins><span class="cx"> Page::Page(PageClients&amp; pageClients)
</span><span class="cx">     : m_chrome(std::make_unique&lt;Chrome&gt;(*this, *pageClients.chromeClient))
</span><span class="cx">     , m_dragCaretController(std::make_unique&lt;DragCaretController&gt;())
</span><span class="cx"> #if ENABLE(DRAG_SUPPORT)
</span><span class="cx">     , m_dragController(std::make_unique&lt;DragController&gt;(*this, *pageClients.dragClient))
</span><span class="cx"> #endif
</span><del>-    , m_focusController(std::make_unique&lt;FocusController&gt;(*this))
</del><ins>+    , m_focusController(std::make_unique&lt;FocusController&gt;(*this, PageInitialViewState))
</ins><span class="cx"> #if ENABLE(CONTEXT_MENUS)
</span><span class="cx">     , m_contextMenuController(std::make_unique&lt;ContextMenuController&gt;(*this, *pageClients.contextMenuClient))
</span><span class="cx"> #endif
</span><span class="lines">@@ -172,9 +174,8 @@
</span><span class="cx">     , m_minimumTimerInterval(Settings::defaultMinDOMTimerInterval())
</span><span class="cx">     , m_timerAlignmentInterval(Settings::defaultDOMTimerAlignmentInterval())
</span><span class="cx">     , m_isEditable(false)
</span><del>-    , m_isInWindow(true)
-    , m_isVisible(true)
</del><span class="cx">     , m_isPrerender(false)
</span><ins>+    , m_viewState(PageInitialViewState)
</ins><span class="cx">     , m_requestedLayoutMilestones(0)
</span><span class="cx">     , m_headerHeight(0)
</span><span class="cx">     , m_footerHeight(0)
</span><span class="lines">@@ -881,11 +882,11 @@
</span><span class="cx"> 
</span><span class="cx"> void Page::setIsInWindow(bool isInWindow)
</span><span class="cx"> {
</span><del>-    if (m_isInWindow == isInWindow)
-        return;
</del><ins>+    setViewState(isInWindow ? m_viewState | ViewState::IsInWindow : m_viewState &amp; ~ViewState::IsInWindow);
+}
</ins><span class="cx"> 
</span><del>-    m_isInWindow = isInWindow;
-
</del><ins>+void Page::setIsInWindowInternal(bool isInWindow)
+{
</ins><span class="cx">     for (Frame* frame = &amp;mainFrame(); frame; frame = frame-&gt;tree().traverseNext()) {
</span><span class="cx">         if (FrameView* frameView = frame-&gt;view())
</span><span class="cx">             frameView-&gt;setIsInWindow(isInWindow);
</span><span class="lines">@@ -913,7 +914,7 @@
</span><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void Page::setIsVisuallyIdle(bool isVisuallyIdle)
</del><ins>+void Page::setIsVisuallyIdleInternal(bool isVisuallyIdle)
</ins><span class="cx"> {
</span><span class="cx">     m_pageThrottler-&gt;setIsVisuallyIdle(isVisuallyIdle);
</span><span class="cx"> }
</span><span class="lines">@@ -1216,15 +1217,37 @@
</span><span class="cx">         CachedImage::resumeAnimatingImagesForLoader(frame-&gt;document()-&gt;cachedResourceLoader());
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void Page::setViewState(ViewState::Flags viewState, bool isInitialState)
+{
+    ViewState::Flags changed = m_viewState ^ viewState;
+    m_viewState = viewState;
+
+    // We want to make sure to update the active state while hidden, so if the view is going
+    // to be visible then update the focus controller first (it may currently still be hidden).
+    if (changed &amp;&amp; (m_viewState &amp; ViewState::IsVisible))
+        m_focusController-&gt;setViewState(viewState);
+
+    if (changed &amp; ViewState::IsVisible)
+        setIsVisibleInternal(viewState &amp; ViewState::IsVisible, isInitialState);
+    if (changed &amp; ViewState::IsInWindow)
+        setIsInWindowInternal(viewState &amp; ViewState::IsInWindow);
+    if (changed &amp; ViewState::IsVisuallyIdle)
+        setIsVisuallyIdleInternal(viewState &amp; ViewState::IsVisuallyIdle);
+
+    if (changed &amp;&amp; !(m_viewState &amp; ViewState::IsVisible))
+        m_focusController-&gt;setViewState(viewState);
+}
+
</ins><span class="cx"> void Page::setIsVisible(bool isVisible, bool isInitialState)
</span><span class="cx"> {
</span><ins>+    setViewState(isVisible ? m_viewState | ViewState::IsVisible : m_viewState &amp; ~ViewState::IsVisible, isInitialState);
+}
+
+void Page::setIsVisibleInternal(bool isVisible, bool isInitialState)
+{
</ins><span class="cx">     // FIXME: The visibility state should be stored on the top-level document.
</span><span class="cx">     // https://bugs.webkit.org/show_bug.cgi?id=116769
</span><span class="cx"> 
</span><del>-    if (m_isVisible == isVisible)
-        return;
-    m_isVisible = isVisible;
-
</del><span class="cx">     if (isVisible) {
</span><span class="cx">         m_isPrerender = false;
</span><span class="cx"> 
</span><span class="lines">@@ -1286,7 +1309,7 @@
</span><span class="cx"> #if ENABLE(PAGE_VISIBILITY_API)
</span><span class="cx"> PageVisibilityState Page::visibilityState() const
</span><span class="cx"> {
</span><del>-    if (m_isVisible)
</del><ins>+    if (isVisible())
</ins><span class="cx">         return PageVisibilityStateVisible;
</span><span class="cx">     if (m_isPrerender)
</span><span class="cx">         return PageVisibilityStatePrerender;
</span><span class="lines">@@ -1548,7 +1571,7 @@
</span><span class="cx"> #if (ENABLE_PAGE_VISIBILITY_API)
</span><span class="cx"> void Page::hiddenPageCSSAnimationSuspensionStateChanged()
</span><span class="cx"> {
</span><del>-    if (!m_isVisible) {
</del><ins>+    if (!isVisible()) {
</ins><span class="cx">         if (m_settings-&gt;hiddenPageCSSAnimationSuspensionEnabled())
</span><span class="cx">             mainFrame().animation().suspendAnimations();
</span><span class="cx">         else
</span></span></pre></div>
<a id="trunkSourceWebCorepagePageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Page.h (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Page.h        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebCore/page/Page.h        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -31,6 +31,7 @@
</span><span class="cx"> #include &quot;PlatformScreen.h&quot;
</span><span class="cx"> #include &quot;Region.h&quot;
</span><span class="cx"> #include &quot;Supplementable.h&quot;
</span><ins>+#include &quot;ViewState.h&quot;
</ins><span class="cx"> #include &quot;ViewportArguments.h&quot;
</span><span class="cx"> #include &lt;wtf/Forward.h&gt;
</span><span class="cx"> #include &lt;wtf/HashMap.h&gt;
</span><span class="lines">@@ -297,18 +298,18 @@
</span><span class="cx">     unsigned pageCount() const;
</span><span class="cx"> 
</span><span class="cx">     // Notifications when the Page starts and stops being presented via a native window.
</span><ins>+    void setViewState(ViewState::Flags, bool isInitial = false);
</ins><span class="cx">     void setIsVisible(bool isVisible, bool isInitial);
</span><span class="cx">     void setIsPrerender();
</span><del>-    bool isVisible() const { return m_isVisible; }
</del><ins>+    bool isVisible() const { return m_viewState &amp; ViewState::IsVisible; }
</ins><span class="cx"> 
</span><span class="cx">     // Notification that this Page was moved into or out of a native window.
</span><span class="cx">     void setIsInWindow(bool);
</span><del>-    bool isInWindow() const { return m_isInWindow; }
</del><ins>+    bool isInWindow() const { return m_viewState &amp; ViewState::IsInWindow; }
</ins><span class="cx"> 
</span><span class="cx">     void suspendScriptedAnimations();
</span><span class="cx">     void resumeScriptedAnimations();
</span><span class="cx">     bool scriptedAnimationsSuspended() const { return m_scriptedAnimationsSuspended; }
</span><del>-    void setIsVisuallyIdle(bool);
</del><span class="cx"> 
</span><span class="cx">     void userStyleSheetLocationChanged();
</span><span class="cx">     const String&amp; userStyleSheet() const;
</span><span class="lines">@@ -425,6 +426,10 @@
</span><span class="cx"> private:
</span><span class="cx">     void initGroup();
</span><span class="cx"> 
</span><ins>+    void setIsInWindowInternal(bool);
+    void setIsVisibleInternal(bool isVisible, bool isInitial);
+    void setIsVisuallyIdleInternal(bool);
+
</ins><span class="cx"> #if ASSERT_DISABLED
</span><span class="cx">     void checkSubframeCountConsistency() const { }
</span><span class="cx"> #else
</span><span class="lines">@@ -528,9 +533,8 @@
</span><span class="cx">     double m_timerAlignmentInterval;
</span><span class="cx"> 
</span><span class="cx">     bool m_isEditable;
</span><del>-    bool m_isInWindow;
-    bool m_isVisible;
</del><span class="cx">     bool m_isPrerender;
</span><ins>+    ViewState::Flags m_viewState;
</ins><span class="cx"> 
</span><span class="cx">     LayoutMilestones m_requestedLayoutMilestones;
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKitmacChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/ChangeLog (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/ChangeLog        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebKit/mac/ChangeLog        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -1,3 +1,22 @@
</span><ins>+2014-01-21  Gavin Barraclough  &lt;barraclough@apple.com&gt;
+
+        Change Page, FocusController to use ViewState
+        https://bugs.webkit.org/show_bug.cgi?id=126533
+
+        Reviewed by Tim Horton.
+
+        These classes currently maintain a set of separate fields to represent the view state;
+        combine these into a single field, and allow WebPage to send the combined update rather
+        than individual changes.
+
+        Maintain existing interface for WebKit1 clients.
+
+        * WebView/WebView.mm:
+        (-[WebView _windowWillOrderOnScreen:]):
+        (-[WebView _windowWillOrderOffScreen:]):
+            - remove calls to FocusController::setContentIsVisible, these are redundant
+              (this is handled when page visibility is set).
+
</ins><span class="cx"> 2014-01-20  Jeremy Jones  &lt;jeremyj@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Add AVKit fullscreen video interface.
</span></span></pre></div>
<a id="trunkSourceWebKitmacWebViewWebViewmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit/mac/WebView/WebView.mm (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit/mac/WebView/WebView.mm        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebKit/mac/WebView/WebView.mm        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -5371,10 +5371,8 @@
</span><span class="cx">     // Send a change screen to make sure the initial displayID is set
</span><span class="cx">     [self doWindowDidChangeScreen];
</span><span class="cx"> 
</span><del>-    if (_private &amp;&amp; _private-&gt;page) {
</del><ins>+    if (_private &amp;&amp; _private-&gt;page)
</ins><span class="cx">         _private-&gt;page-&gt;resumeScriptedAnimations();
</span><del>-        _private-&gt;page-&gt;focusController().setContentIsVisible(true);
-    }
</del><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> - (void)_windowDidChangeScreen:(NSNotification *)notification
</span><span class="lines">@@ -5384,10 +5382,8 @@
</span><span class="cx"> 
</span><span class="cx"> - (void)_windowWillOrderOffScreen:(NSNotification *)notification
</span><span class="cx"> {
</span><del>-    if (_private &amp;&amp; _private-&gt;page) {
</del><ins>+    if (_private &amp;&amp; _private-&gt;page)
</ins><span class="cx">         _private-&gt;page-&gt;suspendScriptedAnimations();
</span><del>-        _private-&gt;page-&gt;focusController().setContentIsVisible(false);
-    }
</del><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> - (void)_windowVisibilityChanged:(NSNotification *)notification
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebKit2/ChangeLog        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -1,3 +1,26 @@
</span><ins>+2014-01-21  Gavin Barraclough  &lt;barraclough@apple.com&gt;
+
+        Change Page, FocusController to use ViewState
+        https://bugs.webkit.org/show_bug.cgi?id=126533
+
+        Reviewed by Tim Horton.
+
+        These classes currently maintain a set of separate fields to represent the view state;
+        combine these into a single field, and allow WebPage to send the combined update rather
+        than individual changes.
+
+        Maintain existing interface for WebKit1 clients.
+
+        * WebProcess/WebPage/WebPage.cpp:
+        (WebKit::WebPage::WebPage):
+            - Combined separate calls to Page::setViewState.
+        (WebKit::WebPage::updateIsInWindow):
+            - Simplied from setIsInWindow.
+        (WebKit::WebPage::setViewState):
+            - Combined separate calls to Page::setViewState.
+        * WebProcess/WebPage/WebPage.h:
+            - Declare updateIsInWindow.
+
</ins><span class="cx"> 2014-01-21  Carlos Garcia Campos  &lt;cgarcia@igalia.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [SOUP] Implement CUSTOM PROTOCOLS
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPagecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -373,18 +373,9 @@
</span><span class="cx"> 
</span><span class="cx">     setMemoryCacheMessagesEnabled(parameters.areMemoryCacheClientCallsEnabled);
</span><span class="cx"> 
</span><del>-    setActive(parameters.viewState &amp; ViewState::WindowIsActive);
-    setFocused(parameters.viewState &amp; ViewState::IsFocused);
</del><ins>+    m_page-&gt;setViewState(m_viewState, true);
+    updateIsInWindow(true);
</ins><span class="cx"> 
</span><del>-    // Page defaults to in-window, but setIsInWindow depends on it being a valid indicator of actually having been put into a window.
-    bool isInWindow = parameters.viewState &amp; ViewState::IsInWindow;
-    if (!isInWindow)
-        m_page-&gt;setIsInWindow(false);
-    else
-        WebProcess::shared().pageDidEnterWindow(m_pageID);
-
-    setIsInWindow(isInWindow);
-
</del><span class="cx">     setMinimumLayoutSize(parameters.minimumLayoutSize);
</span><span class="cx">     setAutoSizingShouldExpandToViewHeight(parameters.autoSizingShouldExpandToViewHeight);
</span><span class="cx">     
</span><span class="lines">@@ -427,9 +418,6 @@
</span><span class="cx">     if (m_useAsyncScrolling)
</span><span class="cx">         WebProcess::shared().eventDispatcher().addScrollingTreeForPage(this);
</span><span class="cx"> #endif
</span><del>-
-    m_page-&gt;setIsVisible(m_viewState &amp; ViewState::IsVisible, true);
-    setIsVisuallyIdle(m_viewState &amp; ViewState::IsVisuallyIdle);
</del><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebPage::reinitializeWebPage(const WebPageCreationParameters&amp; parameters)
</span><span class="lines">@@ -1924,18 +1912,6 @@
</span><span class="cx">     m_findController.showFindIndicatorInSelection();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebPage::setActive(bool isActive)
-{
-    m_page-&gt;focusController().setActive(isActive);
-}
-
-void WebPage::setViewIsVisible(bool isVisible)
-{
-    corePage()-&gt;focusController().setContentIsVisible(isVisible);
-
-    m_page-&gt;setIsVisible(m_viewState &amp; ViewState::IsVisible, false);
-}
-
</del><span class="cx"> void WebPage::setDrawsBackground(bool drawsBackground)
</span><span class="cx"> {
</span><span class="cx">     if (m_drawsBackground == drawsBackground)
</span><span class="lines">@@ -1991,11 +1967,6 @@
</span><span class="cx">         view-&gt;willEndLiveResize();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebPage::setFocused(bool isFocused)
-{
-    m_page-&gt;focusController().setFocused(isFocused);
-}
-
</del><span class="cx"> void WebPage::setInitialFocus(bool forward, bool isKeyboardEventValid, const WebKeyboardEvent&amp; event)
</span><span class="cx"> {
</span><span class="cx">     if (!m_page)
</span><span class="lines">@@ -2050,15 +2021,16 @@
</span><span class="cx">     return true;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebPage::setIsInWindow(bool isInWindow)
</del><ins>+void WebPage::updateIsInWindow(bool isInitialState)
</ins><span class="cx"> {
</span><del>-    bool pageWasInWindow = m_page-&gt;isInWindow();
-    
</del><ins>+    bool isInWindow = m_viewState &amp; WebCore::ViewState::IsInWindow;
+
</ins><span class="cx">     if (!isInWindow) {
</span><span class="cx">         m_setCanStartMediaTimer.stop();
</span><span class="cx">         m_page-&gt;setCanStartMedia(false);
</span><span class="cx">         
</span><del>-        if (pageWasInWindow)
</del><ins>+        // The WebProcess does not yet know about this page; no need to tell it we're leaving the window.
+        if (!isInitialState)
</ins><span class="cx">             WebProcess::shared().pageWillLeaveWindow(m_pageID);
</span><span class="cx">     } else {
</span><span class="cx">         // Defer the call to Page::setCanStartMedia() since it ends up sending a synchronous message to the UI process
</span><span class="lines">@@ -2067,12 +2039,9 @@
</span><span class="cx">         if (m_mayStartMediaWhenInWindow)
</span><span class="cx">             m_setCanStartMediaTimer.startOneShot(0);
</span><span class="cx"> 
</span><del>-        if (!pageWasInWindow)
-            WebProcess::shared().pageDidEnterWindow(m_pageID);
</del><ins>+        WebProcess::shared().pageDidEnterWindow(m_pageID);
</ins><span class="cx">     }
</span><span class="cx"> 
</span><del>-    m_page-&gt;setIsInWindow(isInWindow);
-
</del><span class="cx">     if (isInWindow)
</span><span class="cx">         layoutIfNeeded();
</span><span class="cx"> }
</span><span class="lines">@@ -2091,24 +2060,12 @@
</span><span class="cx">     m_viewState = viewState;
</span><span class="cx"> 
</span><span class="cx">     m_drawingArea-&gt;viewStateDidChange(changed);
</span><del>-
-    // We want to make sure to update the active state while hidden, so if the view is hidden then update the active state
-    // early (in case it becomes visible), and if the view was visible then update active state later (in case it hides).
-    if (changed &amp; ViewState::IsFocused)
-        setFocused(viewState &amp; ViewState::IsFocused);
-    if (changed &amp; ViewState::WindowIsActive &amp;&amp; !(m_viewState &amp; ViewState::IsVisible))
-        setActive(viewState &amp; ViewState::WindowIsActive);
-    if (changed &amp; ViewState::IsVisible)
-        setViewIsVisible(viewState &amp; ViewState::IsVisible);
-    if (changed &amp; ViewState::WindowIsActive &amp;&amp; m_viewState &amp; ViewState::IsVisible)
-        setActive(viewState &amp; ViewState::WindowIsActive);
-    if (changed &amp; ViewState::IsInWindow)
-         setIsInWindow(viewState &amp; ViewState::IsInWindow);
-    if (changed &amp; ViewState::IsVisuallyIdle)
-        setIsVisuallyIdle(viewState &amp; ViewState::IsVisuallyIdle);
-
</del><ins>+    m_page-&gt;setViewState(viewState, isInitialState);
</ins><span class="cx">     for (auto* pluginView : m_pluginViews)
</span><span class="cx">         pluginView-&gt;viewStateDidChange(changed);
</span><ins>+
+    if (changed &amp; ViewState::IsInWindow)
+        updateIsInWindow();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebPage::setLayerHostingMode(unsigned layerHostingMode)
</span><span class="lines">@@ -3712,11 +3669,6 @@
</span><span class="cx">         m_page-&gt;setIsPrerender();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebPage::setIsVisuallyIdle(bool isVisuallyIdle)
-{
-    m_page-&gt;setIsVisuallyIdle(isVisuallyIdle);
-}
-
</del><span class="cx"> void WebPage::setScrollingPerformanceLoggingEnabled(bool enabled)
</span><span class="cx"> {
</span><span class="cx">     m_scrollingPerformanceLoggingEnabled = enabled;
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h (162451 => 162452)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2014-01-21 18:46:51 UTC (rev 162451)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2014-01-21 19:02:08 UTC (rev 162452)
</span><span class="lines">@@ -737,8 +737,7 @@
</span><span class="cx">     void setViewIsVisible(bool);
</span><span class="cx">     void setInitialFocus(bool forward, bool isKeyboardEventValid, const WebKeyboardEvent&amp;);
</span><span class="cx">     void setWindowResizerSize(const WebCore::IntSize&amp;);
</span><del>-    void setIsInWindow(bool);
-    void setIsVisuallyIdle(bool);
</del><ins>+    void updateIsInWindow(bool isInitialState = false);
</ins><span class="cx">     void setViewState(WebCore::ViewState::Flags, bool wantsDidUpdateViewState);
</span><span class="cx">     void setViewStateInternal(WebCore::ViewState::Flags, bool isInitialState);
</span><span class="cx">     void validateCommand(const String&amp;, uint64_t);
</span></span></pre>
</div>
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