DevTools: introduce CSS.setStyleText, we'll migrate setPropertyText to it later.

Source/core/inspector/InspectorStyleSheet.cpp

Index: Source/core/inspector/InspectorStyleSheet.cpp
diff --git a/Source/core/inspector/InspectorStyleSheet.cpp b/Source/core/inspector/InspectorStyleSheet.cpp
index 492dc879c2ea88c15443570f35f3759d9ba52372..d454b2569fba9b7f0abac2b1f96fe741bc9f4e97 100644
--- a/Source/core/inspector/InspectorStyleSheet.cpp
+++ b/Source/core/inspector/InspectorStyleSheet.cpp
@@ -1007,7 +1007,7 @@ bool InspectorStyleSheet::setText(const String& text, ExceptionState& exceptionS
     return true;
 }
 
-CSSStyleRule* InspectorStyleSheet::setRuleSelector(const SourceRange& range, const String& text, SourceRange* newRange, String* oldText, ExceptionState& exceptionState)
+RefPtrWillBeRawPtr<CSSStyleRule> InspectorStyleSheet::setRuleSelector(const SourceRange& range, const String& text, SourceRange* newRange, String* oldText, ExceptionState& exceptionState)
 {
     if (!verifySelectorText(text)) {
         exceptionState.throwDOMException(SyntaxError, "Selector or media text is not valid.");
@@ -1021,7 +1021,7 @@ CSSStyleRule* InspectorStyleSheet::setRuleSelector(const SourceRange& range, con
         return nullptr;
     }
 
-    CSSStyleRule* styleRule = InspectorCSSAgent::asCSSStyleRule(rule);
+    RefPtrWillBeRawPtr<CSSStyleRule>  styleRule = InspectorCSSAgent::asCSSStyleRule(rule);
     styleRule->setSelectorText(text);
 
     replaceText(sourceData->ruleHeaderRange, text, newRange, oldText);
@@ -1030,7 +1030,30 @@ CSSStyleRule* InspectorStyleSheet::setRuleSelector(const SourceRange& range, con
     return styleRule;
 }
 
-CSSMediaRule* InspectorStyleSheet::setMediaRuleText(const SourceRange& range, const String& text, SourceRange* newRange, String* oldText, ExceptionState& exceptionState)
+RefPtrWillBeRawPtr<CSSStyleRule> InspectorStyleSheet::setStyleText(const SourceRange& range, const String& text, SourceRange* newRange, String* oldText, ExceptionState& exceptionState)
+{
+    if (!verifyRuleText("div {" + text + "}")) {
+        exceptionState.throwDOMException(SyntaxError, "Style text is not valid.");
+        return nullptr;
+    }
+
+    CSSRule* rule = nullptr;
+    CSSRuleSourceData* sourceData = nullptr;
+    if (!findRuleByBodyRange(range, &rule, &sourceData) || !sourceData->styleSourceData || rule->type() != CSSRule::STYLE_RULE) {
+        exceptionState.throwDOMException(NotFoundError, "Source range didn't match existing style source range");
+        return nullptr;
+    }
+
+    RefPtrWillBeRawPtr<CSSStyleRule> styleRule = InspectorCSSAgent::asCSSStyleRule(rule);
+    styleRule->style()->setCSSText(text, exceptionState);
+
+    replaceText(sourceData->ruleBodyRange, text, newRange, oldText);
+    onStyleSheetTextChanged();
+
+    return styleRule;
+}
+
+RefPtrWillBeRawPtr<CSSMediaRule> InspectorStyleSheet::setMediaRuleText(const SourceRange& range, const String& text, SourceRange* newRange, String* oldText, ExceptionState& exceptionState)
 {
     if (!verifyMediaText(text)) {
         exceptionState.throwDOMException(SyntaxError, "Selector or media text is not valid.");
@@ -1044,7 +1067,7 @@ CSSMediaRule* InspectorStyleSheet::setMediaRuleText(const SourceRange& range, co
         return nullptr;
     }
 
-    CSSMediaRule* mediaRule = InspectorCSSAgent::asCSSMediaRule(rule);
+    RefPtrWillBeRawPtr<CSSMediaRule>  mediaRule = InspectorCSSAgent::asCSSMediaRule(rule);
     mediaRule->media()->setMediaText(text);
 
     replaceText(sourceData->ruleHeaderRange, text, newRange, oldText);
@@ -1212,7 +1235,7 @@ bool InspectorStyleSheet::verifyMediaText(const String& mediaText)
     return true;
 }
 
-CSSStyleRule* InspectorStyleSheet::addRule(const String& ruleText, const SourceRange& location, SourceRange* addedRange, ExceptionState& exceptionState)
+RefPtrWillBeRawPtr<CSSStyleRule> InspectorStyleSheet::addRule(const String& ruleText, const SourceRange& location, SourceRange* addedRange, ExceptionState& exceptionState)
 {
     if (location.start != location.end) {
         exceptionState.throwDOMException(NotFoundError, "Source range must be collapsed.");
@@ -1230,7 +1253,7 @@ CSSStyleRule* InspectorStyleSheet::addRule(const String& ruleText, const SourceR
     }
     ensureFlatRules();
 
-    CSSStyleRule* styleRule = insertCSSOMRuleBySourceRange(location, ruleText, exceptionState);
+    RefPtrWillBeRawPtr<CSSStyleRule> styleRule = insertCSSOMRuleBySourceRange(location, ruleText, exceptionState);
     if (exceptionState.hadException())
         return nullptr;
 
@@ -1614,6 +1637,25 @@ bool InspectorStyleSheet::findRuleByHeaderRange(const SourceRange& sourceRange,
     return false;
 }
 
+bool InspectorStyleSheet::findRuleByBodyRange(const SourceRange& sourceRange, CSSRule** pRule, CSSRuleSourceData** pSourceData)
+{
+    if (!ensureParsedDataReady())
+        return false;
+    ensureFlatRules();
+
+    for (size_t i = 0; i < ruleCount() && i < m_flatRules.size(); ++i) {
+        RefPtrWillBeRawPtr<CSSRuleSourceData> ruleSourceData = ruleSourceDataAt(i);
+        if (ruleSourceData->ruleBodyRange.start == sourceRange.start && ruleSourceData->ruleBodyRange.end == sourceRange.end) {
+            *pRule = m_flatRules.at(i).get();
+            if (!(*pRule)->parentStyleSheet())
+                return false;
+            *pSourceData = ruleSourceData.get();
+            return true;
+        }
+    }
+    return false;
+}
+
 const CSSRuleVector& InspectorStyleSheet::flatRules()
 {
     ensureFlatRules();