Title: [164224] trunk/Source/WebCore
Revision
164224
Author
[email protected]
Date
2014-02-17 09:18:29 -0800 (Mon, 17 Feb 2014)

Log Message

CounterContentData::counter() and ImageContentData::image() should return references
<http://webkit.org/b/128671>

Reviewed by Darin Adler.

* css/CSSComputedStyleDeclaration.cpp:
(WebCore::contentToCSSValue):
- Update to use references.  Remove useless ASSERTs.

* css/StyleResolver.cpp:
(WebCore::StyleResolver::loadPendingImages):
- Update to use references.  StyleResolver::loadPendingImage()
  will be changed to take a reference in the near future.

* rendering/RenderElement.cpp:
(WebCore::RenderElement::createFor):
- Update to use references.  The auto keyword wanted to
  instantiate a StyleImage instead a reference, so it was
  replaced.

* rendering/style/ContentData.h:
(WebCore::ImageContentData::ImageContentData): Add ASSERT that
m_image is not NULL.
(WebCore::ImageContentData::image): Return a reference.  Remove
useless overload with identical name.
(WebCore::ImageContentData::cloneInternal): Simplify by using
implicit PassRefPtr constructor.
(WebCore::operator==): Remove unneeded deref operators.
(WebCore::CounterContentData::counter): Return a reference.
(WebCore::CounterContentData::cloneInternal): Remove unneeded
deref operator.
(WebCore::operator==): Remove unneeded deref operators.

Modified Paths

Diff

Modified: trunk/Source/WebCore/ChangeLog (164223 => 164224)


--- trunk/Source/WebCore/ChangeLog	2014-02-17 17:17:23 UTC (rev 164223)
+++ trunk/Source/WebCore/ChangeLog	2014-02-17 17:18:29 UTC (rev 164224)
@@ -1,3 +1,38 @@
+2014-02-17  David Kilzer  <[email protected]>
+
+        CounterContentData::counter() and ImageContentData::image() should return references
+        <http://webkit.org/b/128671>
+
+        Reviewed by Darin Adler.
+
+        * css/CSSComputedStyleDeclaration.cpp:
+        (WebCore::contentToCSSValue):
+        - Update to use references.  Remove useless ASSERTs.
+
+        * css/StyleResolver.cpp:
+        (WebCore::StyleResolver::loadPendingImages):
+        - Update to use references.  StyleResolver::loadPendingImage()
+          will be changed to take a reference in the near future.
+
+        * rendering/RenderElement.cpp:
+        (WebCore::RenderElement::createFor):
+        - Update to use references.  The auto keyword wanted to
+          instantiate a StyleImage instead a reference, so it was
+          replaced.
+
+        * rendering/style/ContentData.h:
+        (WebCore::ImageContentData::ImageContentData): Add ASSERT that
+        m_image is not NULL.
+        (WebCore::ImageContentData::image): Return a reference.  Remove
+        useless overload with identical name.
+        (WebCore::ImageContentData::cloneInternal): Simplify by using
+        implicit PassRefPtr constructor.
+        (WebCore::operator==): Remove unneeded deref operators.
+        (WebCore::CounterContentData::counter): Return a reference.
+        (WebCore::CounterContentData::cloneInternal): Remove unneeded
+        deref operator.
+        (WebCore::operator==): Remove unneeded deref operators.
+
 2014-02-17  Jer Noble  <[email protected]>
 
         [MediaControls][iOS] Make mediacontrols match the system inline controls

Modified: trunk/Source/WebCore/css/CSSComputedStyleDeclaration.cpp (164223 => 164224)


--- trunk/Source/WebCore/css/CSSComputedStyleDeclaration.cpp	2014-02-17 17:17:23 UTC (rev 164223)
+++ trunk/Source/WebCore/css/CSSComputedStyleDeclaration.cpp	2014-02-17 17:18:29 UTC (rev 164224)
@@ -1407,15 +1407,11 @@
 {
     auto list = CSSValueList::createSpaceSeparated();
     for (const ContentData* contentData = style->contentData(); contentData; contentData = contentData->next()) {
-        if (contentData->isCounter()) {
-            const CounterContent* counter = toCounterContentData(contentData)->counter();
-            ASSERT(counter);
-            list.get().append(cssValuePool().createValue(counter->identifier(), CSSPrimitiveValue::CSS_COUNTER_NAME));
-        } else if (contentData->isImage()) {
-            const StyleImage* image = toImageContentData(contentData)->image();
-            ASSERT(image);
-            list.get().append(image->cssValue());
-        } else if (contentData->isText())
+        if (contentData->isCounter())
+            list.get().append(cssValuePool().createValue(toCounterContentData(contentData)->counter().identifier(), CSSPrimitiveValue::CSS_COUNTER_NAME));
+        else if (contentData->isImage())
+            list.get().append(toImageContentData(contentData)->image().cssValue());
+        else if (contentData->isText())
             list.get().append(cssValuePool().createValue(toTextContentData(contentData)->text(), CSSPrimitiveValue::CSS_STRING));
     }
     if (style->hasFlowFrom())

Modified: trunk/Source/WebCore/css/StyleResolver.cpp (164223 => 164224)


--- trunk/Source/WebCore/css/StyleResolver.cpp	2014-02-17 17:17:23 UTC (rev 164223)
+++ trunk/Source/WebCore/css/StyleResolver.cpp	2014-02-17 17:18:29 UTC (rev 164224)
@@ -3544,9 +3544,9 @@
         case CSSPropertyContent: {
             for (ContentData* contentData = const_cast<ContentData*>(m_state.style()->contentData()); contentData; contentData = contentData->next()) {
                 if (contentData->isImage()) {
-                    StyleImage* image = toImageContentData(contentData)->image();
-                    if (image->isPendingImage()) {
-                        RefPtr<StyleImage> loadedImage = loadPendingImage(static_cast<StylePendingImage*>(image));
+                    auto& styleImage = toImageContentData(contentData)->image();
+                    if (styleImage.isPendingImage()) {
+                        RefPtr<StyleImage> loadedImage = loadPendingImage(static_cast<StylePendingImage*>(const_cast<StyleImage*>(&styleImage)));
                         if (loadedImage)
                             toImageContentData(contentData)->setImage(loadedImage.release());
                     }

Modified: trunk/Source/WebCore/rendering/RenderElement.cpp (164223 => 164224)


--- trunk/Source/WebCore/rendering/RenderElement.cpp	2014-02-17 17:17:23 UTC (rev 164223)
+++ trunk/Source/WebCore/rendering/RenderElement.cpp	2014-02-17 17:18:29 UTC (rev 164224)
@@ -133,10 +133,9 @@
     // Otherwise acts as if we didn't support this feature.
     const ContentData* contentData = style.get().contentData();
     if (contentData && !contentData->next() && contentData->isImage() && !element.isPseudoElement()) {
-        auto styleImage = const_cast<StyleImage*>(toImageContentData(contentData)->image());
-        auto image = createRenderer<RenderImage>(element, std::move(style), styleImage);
-        if (styleImage)
-            image->setIsGeneratedContent();
+        auto& styleImage = toImageContentData(contentData)->image();
+        auto image = createRenderer<RenderImage>(element, std::move(style), const_cast<StyleImage*>(&styleImage));
+        image->setIsGeneratedContent();
         return std::move(image);
     }
 

Modified: trunk/Source/WebCore/rendering/style/ContentData.h (164223 => 164224)


--- trunk/Source/WebCore/rendering/style/ContentData.h	2014-02-17 17:17:23 UTC (rev 164223)
+++ trunk/Source/WebCore/rendering/style/ContentData.h	2014-02-17 17:18:29 UTC (rev 164224)
@@ -87,20 +87,22 @@
         : ContentData(ImageDataType)
         , m_image(image)
     {
+        ASSERT(m_image);
     }
 
-    const StyleImage* image() const { return m_image.get(); }
-    StyleImage* image() { return m_image.get(); }
-    void setImage(PassRefPtr<StyleImage> image) { m_image = image; }
+    const StyleImage& image() const { return *m_image; }
+    void setImage(PassRefPtr<StyleImage> image)
+    {
+        ASSERT(image);
+        m_image = image;
+    }
 
     virtual RenderPtr<RenderObject> createContentRenderer(Document&, const RenderStyle&) const override;
 
 private:
     virtual std::unique_ptr<ContentData> cloneInternal() const override
     {
-        RefPtr<StyleImage> image = const_cast<StyleImage*>(this->image());
-
-        return std::make_unique<ImageContentData>(image.release());
+        return std::make_unique<ImageContentData>(m_image.get());
     }
 
     RefPtr<StyleImage> m_image;
@@ -110,7 +112,7 @@
 
 inline bool operator==(const ImageContentData& a, const ImageContentData& b)
 {
-    return *a.image() == *b.image();
+    return a.image() == b.image();
 }
 
 inline bool operator!=(const ImageContentData& a, const ImageContentData& b)
@@ -155,17 +157,22 @@
         : ContentData(CounterDataType)
         , m_counter(std::move(counter))
     {
+        ASSERT(m_counter);
     }
 
-    const CounterContent* counter() const { return m_counter.get(); }
-    void setCounter(std::unique_ptr<CounterContent> counter) { m_counter = std::move(counter); }
+    const CounterContent& counter() const { return *m_counter; }
+    void setCounter(std::unique_ptr<CounterContent> counter)
+    {
+        ASSERT(counter);
+        m_counter = std::move(counter);
+    }
 
     virtual RenderPtr<RenderObject> createContentRenderer(Document&, const RenderStyle&) const override;
 
 private:
     virtual std::unique_ptr<ContentData> cloneInternal() const override
     {
-        auto counterData = std::make_unique<CounterContent>(*counter());
+        auto counterData = std::make_unique<CounterContent>(counter());
         return std::make_unique<CounterContentData>(std::move(counterData));
     }
 
@@ -176,7 +183,7 @@
 
 inline bool operator==(const CounterContentData& a, const CounterContentData& b)
 {
-    return *a.counter() == *b.counter();
+    return a.counter() == b.counter();
 }
 
 inline bool operator!=(const CounterContentData& a, const CounterContentData& b)
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