WebCore/html/HTMLTextAreaElement.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLTextAreaElement.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2000 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2010 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef HTMLTextAreaElement_h
+#define HTMLTextAreaElement_h
+
+#include "HTMLFormControlElement.h"
+
+namespace WebCore {
+
+class BeforeTextInsertedEvent;
+class VisibleSelection;
+
+class HTMLTextAreaElement : public HTMLTextFormControlElement {
+public:
+    static PassRefPtr<HTMLTextAreaElement> create(const QualifiedName&, Document*, HTMLFormElement*);
+
+    int cols() const { return m_cols; }
+    int rows() const { return m_rows; }
+
+    bool shouldWrapText() const { return m_wrap != NoWrap; }
+
+    String value() const;
+    void setValue(const String&);
+    String defaultValue() const;
+    void setDefaultValue(const String&);
+    int textLength() const { return value().length(); }
+    int maxLength() const;
+    void setMaxLength(int, ExceptionCode&);
+    virtual bool tooLong() const;
+    
+    void rendererWillBeDestroyed();
+    
+    void setCols(int);
+    void setRows(int);
+    
+    void cacheSelection(int s, int e) { m_cachedSelectionStart = s; m_cachedSelectionEnd = e; };
+
+private:
+    HTMLTextAreaElement(const QualifiedName&, Document*, HTMLFormElement*);
+
+    enum WrapMethod { NoWrap, SoftWrap, HardWrap };
+
+    void handleBeforeTextInsertedEvent(BeforeTextInsertedEvent*) const;
+    static String sanitizeUserInputValue(const String&, unsigned maxLength);
+    void updateValue() const;
+    void setNonDirtyValue(const String&);
+
+    virtual bool supportsPlaceholder() const { return true; }
+    virtual bool isEmptyValue() const { return value().isEmpty(); }
+    virtual int cachedSelectionStart() const { return m_cachedSelectionStart; }
+    virtual int cachedSelectionEnd() const { return m_cachedSelectionEnd; }
+
+    virtual bool isOptionalFormControl() const { return !isRequiredFormControl(); }
+    virtual bool isRequiredFormControl() const { return required(); }
+
+    virtual void defaultEventHandler(Event*);
+
+    virtual bool checkDTD(const Node* newChild) { return newChild->isTextNode(); }
+
+    virtual bool isEnumeratable() const { return true; }
+
+    virtual const AtomicString& formControlType() const;
+
+    virtual bool saveFormControlState(String& value) const;
+    virtual void restoreFormControlState(const String&);
+
+    virtual bool isTextFormControl() const { return true; }
+
+    virtual bool valueMissing() const { return isRequiredFormControl() && !disabled() && !readOnly() && value().isEmpty(); }
+
+    virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
+    virtual void parseMappedAttribute(Attribute*);
+    virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
+    virtual bool appendFormData(FormDataList&, bool);
+    virtual void reset();
+    virtual bool isMouseFocusable() const;
+    virtual bool isKeyboardFocusable(KeyboardEvent*) const;
+    virtual void updateFocusAppearance(bool restorePreviousSelection);
+
+    virtual void accessKeyAction(bool sendToAnyElement);
+
+    virtual bool shouldUseInputMethod() const;
+
+    int m_rows;
+    int m_cols;
+    WrapMethod m_wrap;
+    mutable String m_value;
+    int m_cachedSelectionStart;
+    int m_cachedSelectionEnd;
+    mutable bool m_isDirty;
+};
+
+} //namespace
+
+#endif