Merge 136808

Source/WebCore/html/shadow/DateTimeEditElement.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #include "config.h"
 #if ENABLE(INPUT_MULTIPLE_FIELDS_UI)
 #include "DateTimeEditElement.h"
 
 #include "DateComponents.h"
 #include "DateTimeFieldElements.h"
 #include "DateTimeFieldsState.h"
 #include "DateTimeFormat.h"
 #include "DateTimeSymbolicFieldElement.h"
 #include "EventHandler.h"
+#include "FontCache.h"
 #include "HTMLNames.h"
 #include "KeyboardEvent.h"
 #include "MouseEvent.h"
 #include "PlatformLocale.h"
+#include "RenderStyle.h"
+#include "StyleResolver.h"
 #include "Text.h"
 #include <wtf/DateMath.h>
 #include <wtf/text/StringBuilder.h>
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 class DateTimeEditBuilder : private DateTimeFormat::TokenHandler {
     WTF_MAKE_NONCOPYABLE(DateTimeEditBuilder);
@@ skipping 244 matching lines @@
 DateTimeEditElement::EditControlOwner::~EditControlOwner()
 {
 }
 
 DateTimeEditElement::DateTimeEditElement(Document* document, EditControlOwner& editControlOwner)
     : HTMLDivElement(divTag, document)
     , m_editControlOwner(&editControlOwner)
 {
     DEFINE_STATIC_LOCAL(AtomicString, dateTimeEditPseudoId, ("-webkit-datetime-edit"));
     setShadowPseudoId(dateTimeEditPseudoId);
+    setHasCustomCallbacks();
 }
 
 DateTimeEditElement::~DateTimeEditElement()
 {
     for (size_t fieldIndex = 0; fieldIndex < m_fields.size(); ++fieldIndex)
         m_fields[fieldIndex]->removeEventHandler();
 }
 
 void DateTimeEditElement::addField(PassRefPtr<DateTimeFieldElement> field)
 {
     if (m_fields.size() == m_fields.capacity())
         return;
     m_fields.append(field.get());
     appendChild(field);
 }
 
 void DateTimeEditElement::blurByOwner()
 {
     if (DateTimeFieldElement* field = focusedField())
         field->blur();
 }
 
 PassRefPtr<DateTimeEditElement> DateTimeEditElement::create(Document* document, EditControlOwner& editControlOwner)
 {
     RefPtr<DateTimeEditElement> container = adoptRef(new DateTimeEditElement(document, editControlOwner));
     return container.release();
 }
 
+PassRefPtr<RenderStyle> DateTimeEditElement::customStyleForRenderer()
+{
+    // FIXME: This is a kind of layout. We might want to introduce new renderer.
+    FontCachePurgePreventer fontCachePurgePreventer;
+    RefPtr<RenderStyle> originalStyle = document()->styleResolver()->styleForElement(this);
+    RefPtr<RenderStyle> style = RenderStyle::clone(originalStyle.get());
+    float width = 0;
+    for (Node* child = firstChild(); child; child = child->nextSibling()) {
+        if (!child->isElementNode())
+            continue;
+        Element* childElement = toElement(child);
+        if (childElement->isDateTimeFieldElement()) {
+            // We need to pass the Font of this element because child elements
+            // can't resolve inherited style at this timing.
+            width += static_cast<DateTimeFieldElement*>(childElement)->maximumWidth(style->font());
+        } else {
+            // ::-webkit-datetime-edit-text case. It has no
+            // border/padding/margin in html.css.
+            width += style->font().width(childElement->textContent());
+        }
+    }
+    style->setMinWidth(Length(ceilf(width), Fixed));
+    return style.release();
+}
+
 void DateTimeEditElement::didBlurFromField()
 {
     if (m_editControlOwner)
         m_editControlOwner->didBlurFromControl();
 }
 
 void DateTimeEditElement::didFocusOnField()
 {
     if (m_editControlOwner)
         m_editControlOwner->didFocusOnControl();
@@ skipping 218 matching lines @@
 {
     DateTimeFieldsState dateTimeFieldsState;
     for (size_t fieldIndex = 0; fieldIndex < m_fields.size(); ++fieldIndex)
         m_fields[fieldIndex]->populateDateTimeFieldsState(dateTimeFieldsState);
     return dateTimeFieldsState;
 }
 
 } // namespace WebCore
 
 #endif