Title: [203738] trunk/Source/WebCore
Revision
203738
Author
za...@apple.com
Date
2016-07-26 14:49:26 -0700 (Tue, 26 Jul 2016)

Log Message

Move ControlStates HashMap to RenderBox.
https://bugs.webkit.org/show_bug.cgi?id=160206

Reviewed by Simon Fraser.

Move and modernize it.

No change in functionality.

* platform/ControlStates.h:
(WebCore::ControlStates::ControlStates): Deleted.
* rendering/RenderBox.cpp:
(WebCore::controlStatesRendererMap):
(WebCore::controlStatesForRenderer):
(WebCore::removeControlStatesForRenderer):
(WebCore::RenderBox::~RenderBox):
(WebCore::RenderBox::paintBoxDecorations):
* rendering/RenderElement.cpp:
(WebCore::controlStatesRendererMap): Deleted.
(WebCore::RenderElement::hasControlStatesForRenderer): Deleted.
(WebCore::RenderElement::controlStatesForRenderer): Deleted.
(WebCore::RenderElement::removeControlStatesForRenderer): Deleted.
(WebCore::RenderElement::addControlStatesForRenderer): Deleted.
* rendering/RenderElement.h:

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (203737 => 203738)


--- trunk/Source/WebCore/ChangeLog	2016-07-26 21:35:20 UTC (rev 203737)
+++ trunk/Source/WebCore/ChangeLog	2016-07-26 21:49:26 UTC (rev 203738)
@@ -1,3 +1,30 @@
+2016-07-26  Zalan Bujtas  <za...@apple.com>
+
+        Move ControlStates HashMap to RenderBox.
+        https://bugs.webkit.org/show_bug.cgi?id=160206
+
+        Reviewed by Simon Fraser.
+
+        Move and modernize it.
+
+        No change in functionality.
+
+        * platform/ControlStates.h:
+        (WebCore::ControlStates::ControlStates): Deleted.
+        * rendering/RenderBox.cpp:
+        (WebCore::controlStatesRendererMap):
+        (WebCore::controlStatesForRenderer):
+        (WebCore::removeControlStatesForRenderer):
+        (WebCore::RenderBox::~RenderBox):
+        (WebCore::RenderBox::paintBoxDecorations):
+        * rendering/RenderElement.cpp:
+        (WebCore::controlStatesRendererMap): Deleted.
+        (WebCore::RenderElement::hasControlStatesForRenderer): Deleted.
+        (WebCore::RenderElement::controlStatesForRenderer): Deleted.
+        (WebCore::RenderElement::removeControlStatesForRenderer): Deleted.
+        (WebCore::RenderElement::addControlStatesForRenderer): Deleted.
+        * rendering/RenderElement.h:
+
 2016-07-26  Eric Carlson  <eric.carl...@apple.com>
 
         Occasional crash in WebCore::RenderVTTCue::initializeLayoutParameters

Modified: trunk/Source/WebCore/platform/ControlStates.h (203737 => 203738)


--- trunk/Source/WebCore/platform/ControlStates.h	2016-07-26 21:35:20 UTC (rev 203737)
+++ trunk/Source/WebCore/platform/ControlStates.h	2016-07-26 21:49:26 UTC (rev 203738)
@@ -56,13 +56,6 @@
 
     ControlStates(States states)
         : m_states(states)
-        , m_initialized(false)
-        , m_needsRepaint(false)
-        , m_isDirty(false)
-        , m_timeSinceControlWasFocused(0)
-#if PLATFORM(COCOA)
-        , m_controlInstance(nullptr)
-#endif
     {
     }
 
@@ -101,10 +94,10 @@
 
 private:
     States m_states;
-    bool m_initialized;
-    bool m_needsRepaint;
-    bool m_isDirty;
-    double m_timeSinceControlWasFocused;
+    bool m_initialized { false };
+    bool m_needsRepaint { false };
+    bool m_isDirty { false };
+    double m_timeSinceControlWasFocused { 0 };
 #if PLATFORM(COCOA)
     RetainPtr<PlatformControlInstance> m_controlInstance;
 #endif

Modified: trunk/Source/WebCore/rendering/RenderBox.cpp (203737 => 203738)


--- trunk/Source/WebCore/rendering/RenderBox.cpp	2016-07-26 21:35:20 UTC (rev 203737)
+++ trunk/Source/WebCore/rendering/RenderBox.cpp	2016-07-26 21:49:26 UTC (rev 203738)
@@ -28,6 +28,7 @@
 #include "CSSFontSelector.h"
 #include "Chrome.h"
 #include "ChromeClient.h"
+#include "ControlStates.h"
 #include "Document.h"
 #include "EventHandler.h"
 #include "FloatQuad.h"
@@ -109,6 +110,25 @@
 static const int autoscrollBeltSize = 20;
 static const unsigned backgroundObscurationTestMaxDepth = 4;
 
+using ControlStatesRendererMap = HashMap<const RenderObject*, std::unique_ptr<ControlStates>>;
+static ControlStatesRendererMap& controlStatesRendererMap()
+{
+    static NeverDestroyed<ControlStatesRendererMap> map;
+    return map;
+}
+
+static ControlStates* controlStatesForRenderer(const RenderBox& renderer)
+{
+    return controlStatesRendererMap().ensure(&renderer, [] {
+        return std::make_unique<ControlStates>();
+    }).iterator->value.get();
+}
+
+static void removeControlStatesForRenderer(const RenderBox& renderer)
+{
+    controlStatesRendererMap().remove(&renderer);
+}
+
 bool RenderBox::s_hadOverflowClip = false;
 
 static bool skipBodyBackground(const RenderBox* bodyElementRenderer)
@@ -158,8 +178,7 @@
 #endif
 
     view().unscheduleLazyRepaint(*this);
-    if (hasControlStatesForRenderer(this))
-        removeControlStatesForRenderer(this);
+    removeControlStatesForRenderer(*this);
 }
 
 RenderRegion* RenderBox::clampToStartAndEndRegions(RenderRegion* region) const
@@ -1351,15 +1370,9 @@
 
     // If we have a native theme appearance, paint that before painting our background.
     // The theme will tell us whether or not we should also paint the CSS background.
-    ControlStates* controlStates = nullptr;
     bool borderOrBackgroundPaintingIsNeeded = true;
     if (style().hasAppearance()) {
-        if (hasControlStatesForRenderer(this))
-            controlStates = controlStatesForRenderer(this);
-        else {
-            controlStates = new ControlStates();
-            addControlStatesForRenderer(this, controlStates);
-        }
+        ControlStates* controlStates = controlStatesForRenderer(*this);
         borderOrBackgroundPaintingIsNeeded = theme().paint(*this, *controlStates, paintInfo, paintRect);
         if (controlStates->needsRepaint())
             view().scheduleLazyRepaint(*this);

Modified: trunk/Source/WebCore/rendering/RenderElement.cpp (203737 => 203738)


--- trunk/Source/WebCore/rendering/RenderElement.cpp	2016-07-26 21:35:20 UTC (rev 203737)
+++ trunk/Source/WebCore/rendering/RenderElement.cpp	2016-07-26 21:49:26 UTC (rev 203738)
@@ -27,7 +27,6 @@
 
 #include "AXObjectCache.h"
 #include "ContentData.h"
-#include "ControlStates.h"
 #include "CursorList.h"
 #include "ElementChildIterator.h"
 #include "EventHandler.h"
@@ -80,12 +79,6 @@
 bool RenderElement::s_affectsParentBlock = false;
 bool RenderElement::s_noLongerAffectsParentBlock = false;
     
-static HashMap<const RenderObject*, ControlStates*>& controlStatesRendererMap()
-{
-    static NeverDestroyed<HashMap<const RenderObject*, ControlStates*>> map;
-    return map;
-}
-
 inline RenderElement::RenderElement(ContainerNode& elementOrDocument, RenderStyle&& style, BaseTypeFlags baseTypeFlags)
     : RenderObject(elementOrDocument)
     , m_baseTypeFlags(baseTypeFlags)
@@ -1510,30 +1503,6 @@
     return is<RenderNamedFlowThread>(renderer) ? downcast<RenderNamedFlowThread>(renderer) : nullptr;
 }
 
-bool RenderElement::hasControlStatesForRenderer(const RenderObject* o)
-{
-    return controlStatesRendererMap().contains(o);
-}
-
-ControlStates* RenderElement::controlStatesForRenderer(const RenderObject* o)
-{
-    return controlStatesRendererMap().get(o);
-}
-
-void RenderElement::removeControlStatesForRenderer(const RenderObject* o)
-{
-    ControlStates* states = controlStatesRendererMap().get(o);
-    if (states) {
-        controlStatesRendererMap().remove(o);
-        delete states;
-    }
-}
-
-void RenderElement::addControlStatesForRenderer(const RenderObject* o, ControlStates* states)
-{
-    controlStatesRendererMap().add(o, states);
-}
-
 const RenderStyle* RenderElement::getCachedPseudoStyle(PseudoId pseudo, const RenderStyle* parentStyle) const
 {
     if (pseudo < FIRST_INTERNAL_PSEUDOID && !style().hasPseudoStyle(pseudo))

Modified: trunk/Source/WebCore/rendering/RenderElement.h (203737 => 203738)


--- trunk/Source/WebCore/rendering/RenderElement.h	2016-07-26 21:35:20 UTC (rev 203737)
+++ trunk/Source/WebCore/rendering/RenderElement.h	2016-07-26 21:49:26 UTC (rev 203738)
@@ -258,11 +258,6 @@
 
     void setHasContinuation(bool b) { m_hasContinuation = b; }
 
-    static bool hasControlStatesForRenderer(const RenderObject*);
-    static ControlStates* controlStatesForRenderer(const RenderObject*);
-    static void removeControlStatesForRenderer(const RenderObject*);
-    static void addControlStatesForRenderer(const RenderObject*, ControlStates*);
-
     void setRenderBlockHasMarginBeforeQuirk(bool b) { m_renderBlockHasMarginBeforeQuirk = b; }
     void setRenderBlockHasMarginAfterQuirk(bool b) { m_renderBlockHasMarginAfterQuirk = b; }
     void setRenderBlockShouldForceRelayoutChildren(bool b) { m_renderBlockShouldForceRelayoutChildren = b; }
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