void HTMLTextAreaElement::subtreeHasChanged() { #if DCHECK_IS_ON() // The innerEditor should have either Text nodes or a placeholder break // element. If we see other nodes, it's a bug in editing code and we should // fix it. Element* innerEditor = innerEditorElement(); for (Node& node : NodeTraversal::descendantsOf(*innerEditor)) { if (node.isTextNode()) continue; DCHECK(isHTMLBRElement(node)); DCHECK_EQ(&node, innerEditor->lastChild()); } #endif addPlaceholderBreakElementIfNecessary(); setChangedSinceLastFormControlChangeEvent(true); m_valueIsUpToDate = false; setNeedsValidityCheck(); setAutofilled(false); updatePlaceholderVisibility(); if (!isFocused()) return; // When typing in a textarea, childrenChanged is not called, so we need to // force the directionality check. calculateAndAdjustDirectionality(); DCHECK(document().isActive()); document().frameHost()->chromeClient().didChangeValueInTextField(*this); }
void HTMLTextFormControlElement::setInnerEditorValue(const String& value) { ASSERT(!openShadowRoot()); if (!isTextFormControl() || openShadowRoot()) return; bool textIsChanged = value != innerEditorValue(); HTMLElement* innerEditor = innerEditorElement(); if (!textIsChanged && innerEditor->hasChildren()) return; // If the last child is a trailing <br> that's appended below, remove it // first so as to enable setInnerText() fast path of updating a text node. if (isHTMLBRElement(innerEditor->lastChild())) innerEditor->removeChild(innerEditor->lastChild(), ASSERT_NO_EXCEPTION); // We don't use setTextContent. It triggers unnecessary paint. if (value.isEmpty()) innerEditor->removeChildren(); else replaceChildrenWithText(innerEditor, value, ASSERT_NO_EXCEPTION); // Add <br> so that we can put the caret at the next line of the last // newline. addPlaceholderBreakElementIfNecessary(); if (textIsChanged && layoutObject()) { if (AXObjectCache* cache = document().existingAXObjectCache()) cache->handleTextFormControlChanged(this); } }