TEST_F(ActiveStyleSheetsTest, CompareActiveStyleSheets_Mutated) {
ActiveStyleSheetVector oldSheets;
ActiveStyleSheetVector newSheets;
HeapVector<Member<RuleSet>> changedRuleSets;
CSSStyleSheet* sheet1 = createSheet();
CSSStyleSheet* sheet2 = createSheet();
CSSStyleSheet* sheet3 = createSheet();
oldSheets.append(std::make_pair(sheet1, &sheet1->contents()->ruleSet()));
oldSheets.append(std::make_pair(sheet2, &sheet2->contents()->ruleSet()));
oldSheets.append(std::make_pair(sheet3, &sheet3->contents()->ruleSet()));
sheet2->contents()->clearRuleSet();
sheet2->contents()->ensureRuleSet(MediaQueryEvaluator(),
RuleHasDocumentSecurityOrigin);
EXPECT_NE(oldSheets[1].second, &sheet2->contents()->ruleSet());
newSheets.append(std::make_pair(sheet1, &sheet1->contents()->ruleSet()));
newSheets.append(std::make_pair(sheet2, &sheet2->contents()->ruleSet()));
newSheets.append(std::make_pair(sheet3, &sheet3->contents()->ruleSet()));
EXPECT_EQ(ActiveSheetsChanged,
compareActiveStyleSheets(oldSheets, newSheets, changedRuleSets));
ASSERT_EQ(2u, changedRuleSets.size());
EXPECT_EQ(&sheet2->contents()->ruleSet(), changedRuleSets[0]);
EXPECT_EQ(oldSheets[1].second, changedRuleSets[1]);
}
static CSSStyleSheet* createSheet(const String& cssText = String()) {
StyleSheetContents* contents =
StyleSheetContents::create(CSSParserContext(HTMLStandardMode, nullptr));
contents->parseString(cssText);
contents->ensureRuleSet(MediaQueryEvaluator(),
RuleHasDocumentSecurityOrigin);
return CSSStyleSheet::create(contents);
}
bool InspectorPageAgent::applyViewportStyleOverride(StyleResolver* resolver)
{
if (!m_deviceMetricsOverridden || !m_emulateViewportEnabled)
return false;
RefPtrWillBeRawPtr<StyleSheetContents> styleSheet = StyleSheetContents::create(CSSParserContext(UASheetMode, 0));
styleSheet->parseString(String(viewportAndroidUserAgentStyleSheet, sizeof(viewportAndroidUserAgentStyleSheet)));
OwnPtrWillBeRawPtr<RuleSet> ruleSet = RuleSet::create();
ruleSet->addRulesFromSheet(styleSheet.get(), MediaQueryEvaluator("screen"));
resolver->viewportStyleResolver()->collectViewportRules(ruleSet.get(), ViewportStyleResolver::UserAgentOrigin);
return true;
}
StyleEngineTest::RuleSetInvalidation
StyleEngineTest::scheduleInvalidationsForRules(TreeScope& treeScope,
const String& cssText) {
StyleSheetContents* sheet =
StyleSheetContents::create(CSSParserContext(HTMLStandardMode, nullptr));
sheet->parseString(cssText);
HeapVector<Member<RuleSet>> ruleSets;
RuleSet& ruleSet = sheet->ensureRuleSet(MediaQueryEvaluator(),
RuleHasDocumentSecurityOrigin);
ruleSet.compactRulesIfNeeded();
if (ruleSet.needsFullRecalcForRuleSetInvalidation())
return RuleSetInvalidationFullRecalc;
ruleSets.append(&ruleSet);
styleEngine().scheduleInvalidationsForRuleSets(treeScope, ruleSets);
return RuleSetInvalidationsScheduled;
}
RuleSet& CSSTestHelper::ruleSet()
{
RuleSet& ruleSet = m_styleSheet->contents()->ensureRuleSet(MediaQueryEvaluator(), RuleHasNoSpecialState);
ruleSet.compactRulesIfNeeded();
return ruleSet;
}
