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+/*
+ * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
+ *
+ * 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 InputElement_h
+#define InputElement_h
+
+#include "AtomicString.h"
+#include "PlatformString.h"
+
+namespace WebCore {
+
+class Document;
+class Element;
+class Event;
+class InputElementData;
+class MappedAttribute;
+
+class InputElement {
+public:
+ virtual ~InputElement() { }
+
+ virtual bool isAutofilled() const = 0;
+ virtual bool isChecked() const = 0;
+ virtual bool isIndeterminate() const = 0;
+ virtual bool isInputTypeHidden() const = 0;
+ virtual bool isPasswordField() const = 0;
+ virtual bool isSearchField() const = 0;
+ virtual bool isTextField() const = 0;
+
+ virtual bool placeholderShouldBeVisible() const = 0;
+ virtual bool searchEventsShouldBeDispatched() const = 0;
+
+ virtual int size() const = 0;
+ virtual String value() const = 0;
+ virtual void setValue(const String&) = 0;
+
+ virtual String placeholder() const = 0;
+ virtual void setPlaceholder(const String&) = 0;
+
+ virtual String constrainValue(const String&) const = 0;
+ virtual void setValueFromRenderer(const String&) = 0;
+
+ virtual void cacheSelection(int start, int end) = 0;
+ virtual void select() = 0;
+
+ static const int s_maximumLength;
+ static const int s_defaultSize;
+
+protected:
+ static void dispatchFocusEvent(InputElementData&, InputElement*, Element*);
+ static void dispatchBlurEvent(InputElementData&, InputElement*, Element*);
+ static void updatePlaceholderVisibility(InputElementData&, InputElement*, Element*, bool placeholderValueChanged = false);
+ static void updateFocusAppearance(InputElementData&, InputElement*, Element*, bool restorePreviousSelection);
+ static void updateSelectionRange(InputElement*, Element*, int start, int end);
+ static void aboutToUnload(InputElement*, Element*);
+ static void setValueFromRenderer(InputElementData&, InputElement*, Element*, const String&);
+ static String constrainValue(const InputElement*, const String& proposedValue, int maxLength);
+ static void handleBeforeTextInsertedEvent(InputElementData&, InputElement*, Document*, Event*);
+ static void parseSizeAttribute(InputElementData&, Element*, MappedAttribute*);
+ static void parseMaxLengthAttribute(InputElementData&, InputElement*, Element*, MappedAttribute*);
+ static void updateValueIfNeeded(InputElementData&, InputElement*);
+ static void notifyFormStateChanged(Element*);
+};
+
+// HTML/WMLInputElement hold this struct as member variable
+// and pass it to the static helper functions in InputElement
+class InputElementData {
+public:
+ InputElementData();
+
+ bool placeholderShouldBeVisible() const { return m_placeholderShouldBeVisible; }
+ void setPlaceholderShouldBeVisible(bool visible) { m_placeholderShouldBeVisible = visible; }
+
+ const AtomicString& name() const;
+ void setName(const AtomicString& value) { m_name = value; }
+
+ String value() const { return m_value; }
+ void setValue(const String& value) { m_value = value; }
+
+ int size() const { return m_size; }
+ void setSize(int value) { m_size = value; }
+
+ int maxLength() const { return m_maxLength; }
+ void setMaxLength(int value) { m_maxLength = value; }
+
+ int cachedSelectionStart() const { return m_cachedSelectionStart; }
+ void setCachedSelectionStart(int value) { m_cachedSelectionStart = value; }
+
+ int cachedSelectionEnd() const { return m_cachedSelectionEnd; }
+ void setCachedSelectionEnd(int value) { m_cachedSelectionEnd = value; }
+
+private:
+ bool m_placeholderShouldBeVisible;
+ AtomicString m_name;
+ String m_value;
+ int m_size;
+ int m_maxLength;
+ int m_cachedSelectionStart;
+ int m_cachedSelectionEnd;
+};
+
+InputElement* toInputElement(Element*);
+
+}
+
+#endif