WebCore/dom/InputElement.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/dom/InputElement.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,153 @@
+/*
+ * 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 Attribute;
+class Document;
+class Element;
+class Event;
+class InputElementData;
+
+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 hasSpinButton() const { return false; }
+#if ENABLE(INPUT_SPEECH)
+    virtual bool isSpeechEnabled() const = 0;
+#endif    
+
+    virtual bool searchEventsShouldBeDispatched() const = 0;
+
+    virtual int size() const = 0;
+    virtual const String& suggestedValue() const = 0;
+    virtual String value() const = 0;
+    virtual void setValue(const String&, bool sendChangeEvent = false) = 0;
+    virtual void setValueForUser(const String&) = 0;
+
+    virtual String sanitizeValue(const String&) const = 0;
+    virtual void setValueFromRenderer(const String&) = 0;
+
+    virtual void cacheSelection(int start, int end) = 0;
+    virtual void select() = 0;
+  
+#if ENABLE(WCSS)
+    virtual InputElementData data() const = 0; 
+#endif
+
+    static const int s_maximumLength;
+    static const int s_defaultSize;
+
+protected:
+    static void dispatchFocusEvent(InputElement*, Element*);
+    static void dispatchBlurEvent(InputElement*, Element*);
+    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&);
+    // Replaces CRs and LFs, shrinks the value for s_maximumLength.
+    // This should be applied to values from the HTML value attribute and the DOM value property.
+    // This function should be called only by sanitizeValue() implementations.
+    static String sanitizeValueForTextField(const InputElement*, const String&);
+    // Replaces CRs and LFs, shrinks the value for the specified maximum length.
+    // This should be applied to values specified by users.
+    // The input string may be a fragment of the whole value.
+    static String sanitizeUserInputValue(const InputElement*, const String&, int);
+    static void handleBeforeTextInsertedEvent(InputElementData&, InputElement*, Element*, Event*);
+    static void parseSizeAttribute(InputElementData&, Element*, Attribute*);
+    static void parseMaxLengthAttribute(InputElementData&, InputElement*, Element*, Attribute*);
+    static void updateValueIfNeeded(InputElementData&, InputElement*);
+    static void notifyFormStateChanged(Element*);
+#if ENABLE(WCSS)
+    static bool isConformToInputMask(const InputElementData&, const String&);
+    static bool isConformToInputMask(const InputElementData&, UChar, unsigned);
+    static String validateInputMask(InputElementData&, String&);
+#endif
+};
+
+// HTML/WMLInputElement hold this struct as member variable
+// and pass it to the static helper functions in InputElement
+class InputElementData {
+public:
+    InputElementData();
+
+    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; }
+
+    const String& suggestedValue() const { return m_suggestedValue; }
+    void setSuggestedValue(const String& value) { m_suggestedValue = 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; }
+
+#if ENABLE(WCSS)
+    String inputFormatMask() const { return m_inputFormatMask; }
+    void setInputFormatMask(const String& mask) { m_inputFormatMask = mask; }
+ 
+    unsigned maxInputCharsAllowed() const { return m_maxInputCharsAllowed; }
+    void setMaxInputCharsAllowed(unsigned maxLength) { m_maxInputCharsAllowed = maxLength; }
+  
+#endif
+
+private:
+    AtomicString m_name;
+    String m_value;
+    String m_suggestedValue;
+    int m_size;
+    int m_maxLength;
+    int m_cachedSelectionStart;
+    int m_cachedSelectionEnd;
+#if ENABLE(WCSS)
+    String m_inputFormatMask;
+    unsigned m_maxInputCharsAllowed;
+#endif
+};
+
+InputElement* toInputElement(Element*);
+
+}
+
+#endif