--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/wml/WMLInputElement.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,513 @@
+/**
+ * Copyright (C) 2008, 2009 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.
+ *
+ */
+
+#include "config.h"
+
+#if ENABLE(WML)
+#include "WMLInputElement.h"
+
+#include "Attribute.h"
+#include "EventNames.h"
+#include "FormDataList.h"
+#include "Frame.h"
+#include "HTMLNames.h"
+#include "KeyboardEvent.h"
+#include "RenderTextControlSingleLine.h"
+#include "TextEvent.h"
+#include "WMLDocument.h"
+#include "WMLNames.h"
+#include "WMLPageState.h"
+
+namespace WebCore {
+
+WMLInputElement::WMLInputElement(const QualifiedName& tagName, Document* doc)
+ : WMLFormControlElement(tagName, doc)
+ , m_isPasswordField(false)
+ , m_isEmptyOk(false)
+ , m_numOfCharsAllowedByMask(0)
+{
+}
+
+WMLInputElement::~WMLInputElement()
+{
+ if (m_isPasswordField)
+ document()->unregisterForDocumentActivationCallbacks(this);
+}
+
+static const AtomicString& formatCodes()
+{
+ DEFINE_STATIC_LOCAL(AtomicString, codes, ("AaNnXxMm"));
+ return codes;
+}
+
+bool WMLInputElement::isKeyboardFocusable(KeyboardEvent*) const
+{
+ return WMLFormControlElement::isFocusable();
+}
+
+bool WMLInputElement::isMouseFocusable() const
+{
+ return WMLFormControlElement::isFocusable();
+}
+
+void WMLInputElement::dispatchFocusEvent()
+{
+ InputElement::dispatchFocusEvent(this, this);
+ WMLElement::dispatchFocusEvent();
+}
+
+void WMLInputElement::dispatchBlurEvent()
+{
+ // Firstly check if it is allowed to leave this input field
+ String val = value();
+ if ((!m_isEmptyOk && val.isEmpty()) || !isConformedToInputMask(val)) {
+ updateFocusAppearance(true);
+ return;
+ }
+
+ // update the name variable of WML input elmenet
+ String nameVariable = formControlName();
+ if (!nameVariable.isEmpty())
+ wmlPageStateForDocument(document())->storeVariable(nameVariable, val);
+
+ InputElement::dispatchBlurEvent(this, this);
+ WMLElement::dispatchBlurEvent();
+}
+
+void WMLInputElement::updateFocusAppearance(bool restorePreviousSelection)
+{
+ InputElement::updateFocusAppearance(m_data, this, this, restorePreviousSelection);
+}
+
+void WMLInputElement::aboutToUnload()
+{
+ InputElement::aboutToUnload(this, this);
+}
+
+int WMLInputElement::size() const
+{
+ return m_data.size();
+}
+
+const AtomicString& WMLInputElement::formControlType() const
+{
+ // needs to be lowercase according to DOM spec
+ if (m_isPasswordField) {
+ DEFINE_STATIC_LOCAL(const AtomicString, password, ("password"));
+ return password;
+ }
+
+ DEFINE_STATIC_LOCAL(const AtomicString, text, ("text"));
+ return text;
+}
+
+const AtomicString& WMLInputElement::formControlName() const
+{
+ return m_data.name();
+}
+
+const String& WMLInputElement::suggestedValue() const
+{
+ return m_data.suggestedValue();
+}
+
+String WMLInputElement::value() const
+{
+ String value = m_data.value();
+ if (value.isNull())
+ value = constrainValue(getAttribute(HTMLNames::valueAttr));
+
+ return value;
+}
+
+void WMLInputElement::setValue(const String& value, bool sendChangeEvent)
+{
+ setFormControlValueMatchesRenderer(false);
+ m_data.setValue(constrainValue(value));
+ if (inDocument())
+ document()->updateStyleIfNeeded();
+ if (renderer())
+ renderer()->updateFromElement();
+ setNeedsStyleRecalc();
+
+ unsigned max = m_data.value().length();
+ if (document()->focusedNode() == this)
+ InputElement::updateSelectionRange(this, this, max, max);
+ else
+ cacheSelection(max, max);
+
+ InputElement::notifyFormStateChanged(this);
+}
+
+void WMLInputElement::setValueForUser(const String& value)
+{
+ /* InputElement class defines pure virtual function 'setValueForUser', which
+ will be useful only in HTMLInputElement. Do nothing in 'WMLInputElement'.
+ */
+}
+
+void WMLInputElement::setValueFromRenderer(const String& value)
+{
+ InputElement::setValueFromRenderer(m_data, this, this, value);
+}
+
+bool WMLInputElement::saveFormControlState(String& result) const
+{
+ if (m_isPasswordField)
+ return false;
+
+ result = value();
+ return true;
+}
+
+void WMLInputElement::restoreFormControlState(const String& state)
+{
+ ASSERT(!m_isPasswordField); // should never save/restore password fields
+ setValue(state);
+}
+
+void WMLInputElement::select()
+{
+ if (RenderTextControl* r = toRenderTextControl(renderer()))
+ r->select();
+}
+
+void WMLInputElement::accessKeyAction(bool)
+{
+ // should never restore previous selection here
+ focus(false);
+}
+
+void WMLInputElement::parseMappedAttribute(Attribute* attr)
+{
+ if (attr->name() == HTMLNames::nameAttr)
+ m_data.setName(parseValueForbiddingVariableReferences(attr->value()));
+ else if (attr->name() == HTMLNames::typeAttr) {
+ String type = parseValueForbiddingVariableReferences(attr->value());
+ m_isPasswordField = (type == "password");
+ } else if (attr->name() == HTMLNames::valueAttr) {
+ // We only need to setChanged if the form is looking at the default value right now.
+ if (m_data.value().isNull())
+ setNeedsStyleRecalc();
+ setFormControlValueMatchesRenderer(false);
+ } else if (attr->name() == HTMLNames::maxlengthAttr)
+ InputElement::parseMaxLengthAttribute(m_data, this, this, attr);
+ else if (attr->name() == HTMLNames::sizeAttr)
+ InputElement::parseSizeAttribute(m_data, this, attr);
+ else if (attr->name() == WMLNames::formatAttr)
+ m_formatMask = validateInputMask(parseValueForbiddingVariableReferences(attr->value()));
+ else if (attr->name() == WMLNames::emptyokAttr)
+ m_isEmptyOk = (attr->value() == "true");
+ else
+ WMLElement::parseMappedAttribute(attr);
+
+ // FIXME: Handle 'accesskey' attribute
+ // FIXME: Handle 'tabindex' attribute
+ // FIXME: Handle 'title' attribute
+}
+
+void WMLInputElement::copyNonAttributeProperties(const Element* source)
+{
+ const WMLInputElement* sourceElement = static_cast<const WMLInputElement*>(source);
+ m_data.setValue(sourceElement->m_data.value());
+ WMLElement::copyNonAttributeProperties(source);
+}
+
+RenderObject* WMLInputElement::createRenderer(RenderArena* arena, RenderStyle*)
+{
+ return new (arena) RenderTextControlSingleLine(this, false);
+}
+
+void WMLInputElement::detach()
+{
+ WMLElement::detach();
+ setFormControlValueMatchesRenderer(false);
+}
+
+bool WMLInputElement::appendFormData(FormDataList& encoding, bool)
+{
+ if (formControlName().isEmpty())
+ return false;
+
+ encoding.appendData(formControlName(), value());
+ return true;
+}
+
+void WMLInputElement::reset()
+{
+ setValue(String());
+}
+
+void WMLInputElement::defaultEventHandler(Event* evt)
+{
+ bool clickDefaultFormButton = false;
+
+ if (evt->type() == eventNames().textInputEvent && evt->isTextEvent()) {
+ TextEvent* textEvent = static_cast<TextEvent*>(evt);
+ if (textEvent->data() == "\n")
+ clickDefaultFormButton = true;
+ else if (renderer() && !isConformedToInputMask(textEvent->data()[0], toRenderTextControl(renderer())->text().length() + 1))
+ // If the inputed char doesn't conform to the input mask, stop handling
+ return;
+ }
+
+ if (evt->type() == eventNames().keydownEvent && evt->isKeyboardEvent() && focused() && document()->frame()
+ && document()->frame()->doTextFieldCommandFromEvent(this, static_cast<KeyboardEvent*>(evt))) {
+ evt->setDefaultHandled();
+ return;
+ }
+
+ // Let the key handling done in EventTargetNode take precedence over the event handling here for editable text fields
+ if (!clickDefaultFormButton) {
+ WMLElement::defaultEventHandler(evt);
+ if (evt->defaultHandled())
+ return;
+ }
+
+ // Use key press event here since sending simulated mouse events
+ // on key down blocks the proper sending of the key press event.
+ if (evt->type() == eventNames().keypressEvent && evt->isKeyboardEvent()) {
+ // Simulate mouse click on the default form button for enter for these types of elements.
+ if (static_cast<KeyboardEvent*>(evt)->charCode() == '\r')
+ clickDefaultFormButton = true;
+ }
+
+ if (clickDefaultFormButton) {
+ // Fire onChange for text fields.
+ RenderObject* r = renderer();
+ if (r && toRenderTextControl(r)->wasChangedSinceLastChangeEvent()) {
+ dispatchEvent(Event::create(eventNames().changeEvent, true, false));
+
+ // Refetch the renderer since arbitrary JS code run during onchange can do anything, including destroying it.
+ r = renderer();
+ if (r)
+ toRenderTextControl(r)->setChangedSinceLastChangeEvent(false);
+ }
+
+ evt->setDefaultHandled();
+ return;
+ }
+
+ if (evt->isBeforeTextInsertedEvent())
+ InputElement::handleBeforeTextInsertedEvent(m_data, this, this, evt);
+
+ if (renderer() && (evt->isMouseEvent() || evt->isDragEvent() || evt->isWheelEvent() || evt->type() == eventNames().blurEvent || evt->type() == eventNames().focusEvent))
+ toRenderTextControlSingleLine(renderer())->forwardEvent(evt);
+}
+
+void WMLInputElement::cacheSelection(int start, int end)
+{
+ m_data.setCachedSelectionStart(start);
+ m_data.setCachedSelectionEnd(end);
+}
+
+String WMLInputElement::constrainValue(const String& proposedValue) const
+{
+ return InputElement::sanitizeUserInputValue(this, proposedValue, m_data.maxLength());
+}
+
+void WMLInputElement::documentDidBecomeActive()
+{
+ ASSERT(m_isPasswordField);
+ reset();
+}
+
+void WMLInputElement::willMoveToNewOwnerDocument()
+{
+ // Always unregister for cache callbacks when leaving a document, even if we would otherwise like to be registered
+ if (m_isPasswordField)
+ document()->unregisterForDocumentActivationCallbacks(this);
+
+ WMLElement::willMoveToNewOwnerDocument();
+}
+
+void WMLInputElement::didMoveToNewOwnerDocument()
+{
+ if (m_isPasswordField)
+ document()->registerForDocumentActivationCallbacks(this);
+
+ WMLElement::didMoveToNewOwnerDocument();
+}
+
+void WMLInputElement::initialize()
+{
+ String nameVariable = formControlName();
+ String variableValue;
+ WMLPageState* pageSate = wmlPageStateForDocument(document());
+ ASSERT(pageSate);
+ if (!nameVariable.isEmpty())
+ variableValue = pageSate->getVariable(nameVariable);
+
+ if (variableValue.isEmpty() || !isConformedToInputMask(variableValue)) {
+ String val = value();
+ if (isConformedToInputMask(val))
+ variableValue = val;
+ else
+ variableValue = "";
+
+ pageSate->storeVariable(nameVariable, variableValue);
+ }
+ setValue(variableValue);
+
+ if (!hasAttribute(WMLNames::emptyokAttr)) {
+ if (m_formatMask.isEmpty() ||
+ // check if the format codes is just "*f"
+ (m_formatMask.length() == 2 && m_formatMask[0] == '*' && formatCodes().find(m_formatMask[1]) != -1))
+ m_isEmptyOk = true;
+ }
+}
+
+String WMLInputElement::validateInputMask(const String& inputMask)
+{
+ bool isValid = true;
+ bool hasWildcard = false;
+ unsigned escapeCharCount = 0;
+ unsigned maskLength = inputMask.length();
+ UChar formatCode;
+
+ for (unsigned i = 0; i < maskLength; ++i) {
+ formatCode = inputMask[i];
+ if (formatCodes().find(formatCode) == -1) {
+ if (formatCode == '*' || (WTF::isASCIIDigit(formatCode) && formatCode != '0')) {
+ // validate codes which ends with '*f' or 'nf'
+ formatCode = inputMask[++i];
+ if ((i + 1 != maskLength) || formatCodes().find(formatCode) == -1) {
+ isValid = false;
+ break;
+ }
+ hasWildcard = true;
+ } else if (formatCode == '\\') {
+ //skip over the next mask character
+ ++i;
+ ++escapeCharCount;
+ } else {
+ isValid = false;
+ break;
+ }
+ }
+ }
+
+ if (!isValid)
+ return String();
+
+ // calculate the number of characters allowed to be entered by input mask
+ m_numOfCharsAllowedByMask = maskLength;
+
+ if (escapeCharCount)
+ m_numOfCharsAllowedByMask -= escapeCharCount;
+
+ if (hasWildcard) {
+ formatCode = inputMask[maskLength - 2];
+ if (formatCode == '*')
+ m_numOfCharsAllowedByMask = m_data.maxLength();
+ else {
+ unsigned leftLen = String(&formatCode).toInt();
+ m_numOfCharsAllowedByMask = leftLen + m_numOfCharsAllowedByMask - 2;
+ }
+ }
+
+ return inputMask;
+}
+
+bool WMLInputElement::isConformedToInputMask(const String& inputChars)
+{
+ for (unsigned i = 0; i < inputChars.length(); ++i)
+ if (!isConformedToInputMask(inputChars[i], i + 1, false))
+ return false;
+
+ return true;
+}
+
+bool WMLInputElement::isConformedToInputMask(UChar inChar, unsigned inputCharCount, bool isUserInput)
+{
+ if (m_formatMask.isEmpty())
+ return true;
+
+ if (inputCharCount > m_numOfCharsAllowedByMask)
+ return false;
+
+ unsigned maskIndex = 0;
+ if (isUserInput) {
+ unsigned cursorPosition = 0;
+ if (renderer())
+ cursorPosition = toRenderTextControl(renderer())->selectionStart();
+ else
+ cursorPosition = m_data.cachedSelectionStart();
+
+ maskIndex = cursorPositionToMaskIndex(cursorPosition);
+ } else
+ maskIndex = cursorPositionToMaskIndex(inputCharCount - 1);
+
+ bool ok = true;
+ UChar mask = m_formatMask[maskIndex];
+ // match the inputed character with input mask
+ switch (mask) {
+ case 'A':
+ ok = !WTF::isASCIIDigit(inChar) && !WTF::isASCIILower(inChar) && WTF::isASCIIPrintable(inChar);
+ break;
+ case 'a':
+ ok = !WTF::isASCIIDigit(inChar) && !WTF::isASCIIUpper(inChar) && WTF::isASCIIPrintable(inChar);
+ break;
+ case 'N':
+ ok = WTF::isASCIIDigit(inChar);
+ break;
+ case 'n':
+ ok = !WTF::isASCIIAlpha(inChar) && WTF::isASCIIPrintable(inChar);
+ break;
+ case 'X':
+ ok = !WTF::isASCIILower(inChar) && WTF::isASCIIPrintable(inChar);
+ break;
+ case 'x':
+ ok = !WTF::isASCIIUpper(inChar) && WTF::isASCIIPrintable(inChar);
+ break;
+ case 'M':
+ ok = WTF::isASCIIPrintable(inChar);
+ break;
+ case 'm':
+ ok = WTF::isASCIIPrintable(inChar);
+ break;
+ default:
+ ok = (mask == inChar);
+ break;
+ }
+
+ return ok;
+}
+
+unsigned WMLInputElement::cursorPositionToMaskIndex(unsigned cursorPosition)
+{
+ UChar mask;
+ int index = -1;
+ do {
+ mask = m_formatMask[++index];
+ if (mask == '\\')
+ ++index;
+ else if (mask == '*' || (WTF::isASCIIDigit(mask) && mask != '0')) {
+ index = m_formatMask.length() - 1;
+ break;
+ }
+ } while (cursorPosition--);
+
+ return index;
+}
+
+}
+
+#endif