diff -r 000000000000 -r 4f2f89ce4247 WebCore/html/HTMLInputElement.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/html/HTMLInputElement.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,2888 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ * (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
+ * (C) 2006 Alexey Proskuryakov (ap@nypop.com)
+ * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
+ * Copyright (C) 2010 Google 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.
+ *
+ */
+
+#include "config.h"
+#include "HTMLInputElement.h"
+
+#include "AXObjectCache.h"
+#include "Attribute.h"
+#include "BeforeTextInsertedEvent.h"
+#include "CSSPropertyNames.h"
+#include "ChromeClient.h"
+#include "DateComponents.h"
+#include "Document.h"
+#include "Editor.h"
+#include "Event.h"
+#include "EventHandler.h"
+#include "EventNames.h"
+#include "ExceptionCode.h"
+#include "File.h"
+#include "FileList.h"
+#include "FileSystem.h"
+#include "FocusController.h"
+#include "FormDataList.h"
+#include "Frame.h"
+#include "HTMLDataListElement.h"
+#include "HTMLFormElement.h"
+#include "HTMLImageLoader.h"
+#include "HTMLNames.h"
+#include "HTMLOptionElement.h"
+#include "LegacyHTMLTreeBuilder.h"
+#include "KeyboardEvent.h"
+#include "LocalizedStrings.h"
+#include "MouseEvent.h"
+#include "Page.h"
+#include "RegularExpression.h"
+#include "RenderButton.h"
+#include "RenderFileUploadControl.h"
+#include "RenderImage.h"
+#include "RenderSlider.h"
+#include "RenderText.h"
+#include "RenderTextControlSingleLine.h"
+#include "RenderTheme.h"
+#include "ScriptEventListener.h"
+#include "StepRange.h"
+#include "StringHash.h"
+#include "TextEvent.h"
+#include
+#include
+#include
+
+using namespace std;
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+const int maxSavedResults = 256;
+
+// Constant values for getAllowedValueStep().
+static const double dateDefaultStep = 1.0;
+static const double dateStepScaleFactor = 86400000.0;
+static const double dateTimeDefaultStep = 60.0;
+static const double dateTimeStepScaleFactor = 1000.0;
+static const double monthDefaultStep = 1.0;
+static const double monthStepScaleFactor = 1.0;
+static const double numberDefaultStep = 1.0;
+static const double numberStepScaleFactor = 1.0;
+static const double timeDefaultStep = 60.0;
+static const double timeStepScaleFactor = 1000.0;
+static const double weekDefaultStep = 1.0;
+static const double weekStepScaleFactor = 604800000.0;
+
+// Constant values for minimum().
+static const double numberDefaultMinimum = -DBL_MAX;
+static const double rangeDefaultMinimum = 0.0;
+
+// Constant values for maximum().
+static const double numberDefaultMaximum = DBL_MAX;
+static const double rangeDefaultMaximum = 100.0;
+
+static const double defaultStepBase = 0.0;
+static const double weekDefaultStepBase = -259200000.0; // The first day of 1970-W01.
+
+static const double msecPerMinute = 60 * 1000;
+static const double msecPerSecond = 1000;
+
+static bool isNumberCharacter(UChar ch)
+{
+ return ch == '+' || ch == '-' || ch == '.' || ch == 'e' || ch == 'E'
+ || ch >= '0' && ch <= '9';
+}
+
+HTMLInputElement::HTMLInputElement(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+ : HTMLTextFormControlElement(tagName, document, form)
+ , m_xPos(0)
+ , m_yPos(0)
+ , m_maxResults(-1)
+ , m_type(TEXT)
+ , m_checked(false)
+ , m_defaultChecked(false)
+ , m_useDefaultChecked(true)
+ , m_indeterminate(false)
+ , m_haveType(false)
+ , m_activeSubmit(false)
+ , m_autocomplete(Uninitialized)
+ , m_autofilled(false)
+ , m_inited(false)
+{
+ ASSERT(hasTagName(inputTag) || hasTagName(isindexTag));
+}
+
+PassRefPtr HTMLInputElement::create(const QualifiedName& tagName, Document* document, HTMLFormElement* form)
+{
+ return adoptRef(new HTMLInputElement(tagName, document, form));
+}
+
+HTMLInputElement::~HTMLInputElement()
+{
+ if (needsActivationCallback())
+ document()->unregisterForDocumentActivationCallbacks(this);
+
+ document()->checkedRadioButtons().removeButton(this);
+
+ // Need to remove this from the form while it is still an HTMLInputElement,
+ // so can't wait for the base class's destructor to do it.
+ removeFromForm();
+}
+
+const AtomicString& HTMLInputElement::formControlName() const
+{
+ return m_data.name();
+}
+
+bool HTMLInputElement::autoComplete() const
+{
+ if (m_autocomplete != Uninitialized)
+ return m_autocomplete == On;
+ return HTMLTextFormControlElement::autoComplete();
+}
+
+static inline CheckedRadioButtons& checkedRadioButtons(const HTMLInputElement* element)
+{
+ if (HTMLFormElement* form = element->form())
+ return form->checkedRadioButtons();
+ return element->document()->checkedRadioButtons();
+}
+
+void HTMLInputElement::updateCheckedRadioButtons()
+{
+ if (attached() && checked())
+ checkedRadioButtons(this).addButton(this);
+
+ if (form()) {
+ const Vector& controls = form()->associatedElements();
+ for (unsigned i = 0; i < controls.size(); ++i) {
+ HTMLFormControlElement* control = controls[i];
+ if (control->name() != name())
+ continue;
+ if (control->type() != type())
+ continue;
+ control->setNeedsValidityCheck();
+ }
+ } else {
+ // FIXME: Traversing the document is inefficient.
+ for (Node* node = document()->body(); node; node = node->traverseNextNode()) {
+ if (!node->isElementNode())
+ continue;
+ Element* element = static_cast(node);
+ if (element->formControlName() != name())
+ continue;
+ if (element->formControlType() != type())
+ continue;
+ HTMLFormControlElement* control = static_cast(element);
+ if (control->form())
+ continue;
+ control->setNeedsValidityCheck();
+ }
+ }
+
+ if (renderer() && renderer()->style()->hasAppearance())
+ renderer()->theme()->stateChanged(renderer(), CheckedState);
+}
+
+bool HTMLInputElement::valueMissing() const
+{
+ if (!isRequiredFormControl() || readOnly() || disabled())
+ return false;
+
+ switch (inputType()) {
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case FILE:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ return value().isEmpty();
+ case CHECKBOX:
+ return !checked();
+ case RADIO:
+ return !checkedRadioButtons(this).checkedButtonForGroup(name());
+ case COLOR:
+ return false;
+ case BUTTON:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case RANGE:
+ case RESET:
+ case SUBMIT:
+ break;
+ }
+
+ ASSERT_NOT_REACHED();
+ return false;
+}
+
+bool HTMLInputElement::patternMismatch() const
+{
+ switch (inputType()) {
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case RADIO:
+ case RANGE:
+ case RESET:
+ case SUBMIT:
+ case TIME:
+ case WEEK:
+ return false;
+ case EMAIL:
+ case PASSWORD:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ const AtomicString& pattern = getAttribute(patternAttr);
+ String value = this->value();
+ // Empty values can't be mismatched
+ if (pattern.isEmpty() || value.isEmpty())
+ return false;
+ RegularExpression patternRegExp(pattern, TextCaseSensitive);
+ int matchLength = 0;
+ int valueLength = value.length();
+ int matchOffset = patternRegExp.match(value, 0, &matchLength);
+ return matchOffset || matchLength != valueLength;
+ }
+ ASSERT_NOT_REACHED();
+ return false;
+}
+
+bool HTMLInputElement::tooLong() const
+{
+ switch (inputType()) {
+ case EMAIL:
+ case PASSWORD:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case URL: {
+ int max = maxLength();
+ if (max < 0)
+ return false;
+ // Return false for the default value even if it is longer than maxLength.
+ bool userEdited = !m_data.value().isNull();
+ if (!userEdited)
+ return false;
+ return numGraphemeClusters(value()) > static_cast(max);
+ }
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case RADIO:
+ case RANGE:
+ case RESET:
+ case SUBMIT:
+ case TIME:
+ case WEEK:
+ return false;
+ }
+ ASSERT_NOT_REACHED();
+ return false;
+}
+
+bool HTMLInputElement::rangeUnderflow() const
+{
+ const double nan = numeric_limits::quiet_NaN();
+ switch (inputType()) {
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case MONTH:
+ case NUMBER:
+ case TIME:
+ case WEEK: {
+ double doubleValue = parseToDouble(value(), nan);
+ return isfinite(doubleValue) && doubleValue < minimum();
+ }
+ case RANGE: // Guaranteed by sanitization.
+ ASSERT(parseToDouble(value(), nan) >= minimum());
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ break;
+ }
+ return false;
+}
+
+bool HTMLInputElement::rangeOverflow() const
+{
+ const double nan = numeric_limits::quiet_NaN();
+ switch (inputType()) {
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case MONTH:
+ case NUMBER:
+ case TIME:
+ case WEEK: {
+ double doubleValue = parseToDouble(value(), nan);
+ return isfinite(doubleValue) && doubleValue > maximum();
+ }
+ case RANGE: // Guaranteed by sanitization.
+ ASSERT(parseToDouble(value(), nan) <= maximum());
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ break;
+ }
+ return false;
+}
+
+double HTMLInputElement::minimum() const
+{
+ switch (inputType()) {
+ case DATE:
+ return parseToDouble(getAttribute(minAttr), DateComponents::minimumDate());
+ case DATETIME:
+ case DATETIMELOCAL:
+ return parseToDouble(getAttribute(minAttr), DateComponents::minimumDateTime());
+ case MONTH:
+ return parseToDouble(getAttribute(minAttr), DateComponents::minimumMonth());
+ case NUMBER:
+ return parseToDouble(getAttribute(minAttr), numberDefaultMinimum);
+ case RANGE:
+ return parseToDouble(getAttribute(minAttr), rangeDefaultMinimum);
+ case TIME:
+ return parseToDouble(getAttribute(minAttr), DateComponents::minimumTime());
+ case WEEK:
+ return parseToDouble(getAttribute(minAttr), DateComponents::minimumWeek());
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ break;
+ }
+ ASSERT_NOT_REACHED();
+ return 0;
+}
+
+double HTMLInputElement::maximum() const
+{
+ switch (inputType()) {
+ case DATE:
+ return parseToDouble(getAttribute(maxAttr), DateComponents::maximumDate());
+ case DATETIME:
+ case DATETIMELOCAL:
+ return parseToDouble(getAttribute(maxAttr), DateComponents::maximumDateTime());
+ case MONTH:
+ return parseToDouble(getAttribute(maxAttr), DateComponents::maximumMonth());
+ case NUMBER:
+ return parseToDouble(getAttribute(maxAttr), numberDefaultMaximum);
+ case RANGE: {
+ double max = parseToDouble(getAttribute(maxAttr), rangeDefaultMaximum);
+ // A remedy for the inconsistent min/max values for RANGE.
+ // Sets the maximum to the default or the minimum value.
+ double min = minimum();
+ if (max < min)
+ max = std::max(min, rangeDefaultMaximum);
+ return max;
+ }
+ case TIME:
+ return parseToDouble(getAttribute(maxAttr), DateComponents::maximumTime());
+ case WEEK:
+ return parseToDouble(getAttribute(maxAttr), DateComponents::maximumWeek());
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ break;
+ }
+ ASSERT_NOT_REACHED();
+ return 0;
+}
+
+double HTMLInputElement::stepBase() const
+{
+ switch (inputType()) {
+ case RANGE:
+ return minimum();
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case MONTH:
+ case NUMBER:
+ case TIME:
+ return parseToDouble(getAttribute(minAttr), defaultStepBase);
+ case WEEK:
+ return parseToDouble(getAttribute(minAttr), weekDefaultStepBase);
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ break;
+ }
+ ASSERT_NOT_REACHED();
+ return 0.0;
+}
+
+bool HTMLInputElement::stepMismatch() const
+{
+ double step;
+ if (!getAllowedValueStep(&step))
+ return false;
+ switch (inputType()) {
+ case RANGE:
+ // stepMismatch doesn't occur for RANGE. RenderSlider guarantees the
+ // value matches to step on user input, and sanitation takes care
+ // of the general case.
+ return false;
+ case NUMBER: {
+ double doubleValue;
+ if (!parseToDoubleForNumberType(value(), &doubleValue))
+ return false;
+ doubleValue = fabs(doubleValue - stepBase());
+ if (isinf(doubleValue))
+ return false;
+ // double's fractional part size is DBL_MAN_DIG-bit. If the current
+ // value is greater than step*2^DBL_MANT_DIG, the following fmod() makes
+ // no sense.
+ if (doubleValue / pow(2.0, DBL_MANT_DIG) > step)
+ return false;
+ double remainder = fmod(doubleValue, step);
+ // Accepts errors in lower 7-bit.
+ double acceptableError = step / pow(2.0, DBL_MANT_DIG - 7);
+ return acceptableError < remainder && remainder < (step - acceptableError);
+ }
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case MONTH:
+ case TIME:
+ case WEEK: {
+ const double nan = numeric_limits::quiet_NaN();
+ double doubleValue = parseToDouble(value(), nan);
+ doubleValue = fabs(doubleValue - stepBase());
+ if (!isfinite(doubleValue))
+ return false;
+ ASSERT(round(doubleValue) == doubleValue);
+ ASSERT(round(step) == step);
+ return fmod(doubleValue, step);
+ }
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ break;
+ }
+ // Non-supported types should be rejected by getAllowedValueStep().
+ ASSERT_NOT_REACHED();
+ return false;
+}
+
+bool HTMLInputElement::getStepParameters(double* defaultStep, double* stepScaleFactor) const
+{
+ ASSERT(defaultStep);
+ ASSERT(stepScaleFactor);
+ switch (inputType()) {
+ case NUMBER:
+ case RANGE:
+ *defaultStep = numberDefaultStep;
+ *stepScaleFactor = numberStepScaleFactor;
+ return true;
+ case DATE:
+ *defaultStep = dateDefaultStep;
+ *stepScaleFactor = dateStepScaleFactor;
+ return true;
+ case DATETIME:
+ case DATETIMELOCAL:
+ *defaultStep = dateTimeDefaultStep;
+ *stepScaleFactor = dateTimeStepScaleFactor;
+ return true;
+ case MONTH:
+ *defaultStep = monthDefaultStep;
+ *stepScaleFactor = monthStepScaleFactor;
+ return true;
+ case TIME:
+ *defaultStep = timeDefaultStep;
+ *stepScaleFactor = timeStepScaleFactor;
+ return true;
+ case WEEK:
+ *defaultStep = weekDefaultStep;
+ *stepScaleFactor = weekStepScaleFactor;
+ return true;
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ return false;
+ }
+ ASSERT_NOT_REACHED();
+ return false;
+}
+
+bool HTMLInputElement::getAllowedValueStep(double* step) const
+{
+ ASSERT(step);
+ double defaultStep;
+ double stepScaleFactor;
+ if (!getStepParameters(&defaultStep, &stepScaleFactor))
+ return false;
+ const AtomicString& stepString = getAttribute(stepAttr);
+ if (stepString.isEmpty()) {
+ *step = defaultStep * stepScaleFactor;
+ return true;
+ }
+ if (equalIgnoringCase(stepString, "any"))
+ return false;
+ double parsed;
+ if (!parseToDoubleForNumberType(stepString, &parsed) || parsed <= 0.0) {
+ *step = defaultStep * stepScaleFactor;
+ return true;
+ }
+ // For DATE, MONTH, WEEK, the parsed value should be an integer.
+ if (inputType() == DATE || inputType() == MONTH || inputType() == WEEK)
+ parsed = max(round(parsed), 1.0);
+ double result = parsed * stepScaleFactor;
+ // For DATETIME, DATETIMELOCAL, TIME, the result should be an integer.
+ if (inputType() == DATETIME || inputType() == DATETIMELOCAL || inputType() == TIME)
+ result = max(round(result), 1.0);
+ ASSERT(result > 0);
+ *step = result;
+ return true;
+}
+
+void HTMLInputElement::applyStep(double count, ExceptionCode& ec)
+{
+ double step;
+ if (!getAllowedValueStep(&step)) {
+ ec = INVALID_STATE_ERR;
+ return;
+ }
+ const double nan = numeric_limits::quiet_NaN();
+ double current = parseToDouble(value(), nan);
+ if (!isfinite(current)) {
+ ec = INVALID_STATE_ERR;
+ return;
+ }
+ double newValue = current + step * count;
+ if (isinf(newValue)) {
+ ec = INVALID_STATE_ERR;
+ return;
+ }
+ if (newValue < minimum()) {
+ ec = INVALID_STATE_ERR;
+ return;
+ }
+ double base = stepBase();
+ newValue = base + round((newValue - base) / step) * step;
+ if (newValue > maximum()) {
+ ec = INVALID_STATE_ERR;
+ return;
+ }
+ setValueAsNumber(newValue, ec);
+}
+
+void HTMLInputElement::stepUp(int n, ExceptionCode& ec)
+{
+ applyStep(n, ec);
+}
+
+void HTMLInputElement::stepDown(int n, ExceptionCode& ec)
+{
+ applyStep(-n, ec);
+}
+
+bool HTMLInputElement::isKeyboardFocusable(KeyboardEvent* event) const
+{
+ // If text fields can be focused, then they should always be keyboard focusable
+ if (isTextField())
+ return HTMLFormControlElementWithState::isFocusable();
+
+ // If the base class says we can't be focused, then we can stop now.
+ if (!HTMLFormControlElementWithState::isKeyboardFocusable(event))
+ return false;
+
+ if (inputType() == RADIO) {
+
+ // Never allow keyboard tabbing to leave you in the same radio group. Always
+ // skip any other elements in the group.
+ Node* currentFocusedNode = document()->focusedNode();
+ if (currentFocusedNode && currentFocusedNode->hasTagName(inputTag)) {
+ HTMLInputElement* focusedInput = static_cast(currentFocusedNode);
+ if (focusedInput->inputType() == RADIO && focusedInput->form() == form() && focusedInput->name() == name())
+ return false;
+ }
+
+ // Allow keyboard focus if we're checked or if nothing in the group is checked.
+ return checked() || !checkedRadioButtons(this).checkedButtonForGroup(name());
+ }
+
+ return true;
+}
+
+bool HTMLInputElement::isMouseFocusable() const
+{
+ if (isTextField())
+ return HTMLFormControlElementWithState::isFocusable();
+ return HTMLFormControlElementWithState::isMouseFocusable();
+}
+
+void HTMLInputElement::updateFocusAppearance(bool restorePreviousSelection)
+{
+ if (isTextField())
+ InputElement::updateFocusAppearance(m_data, this, this, restorePreviousSelection);
+ else
+ HTMLFormControlElementWithState::updateFocusAppearance(restorePreviousSelection);
+}
+
+void HTMLInputElement::aboutToUnload()
+{
+ InputElement::aboutToUnload(this, this);
+}
+
+bool HTMLInputElement::shouldUseInputMethod() const
+{
+ // The reason IME's are disabled for the password field is because IMEs
+ // can access the underlying password and display it in clear text --
+ // e.g. you can use it to access the stored password for any site
+ // with only trivial effort.
+ return isTextField() && inputType() != PASSWORD;
+}
+
+void HTMLInputElement::handleFocusEvent()
+{
+ InputElement::dispatchFocusEvent(this, this);
+}
+
+void HTMLInputElement::handleBlurEvent()
+{
+ InputElement::dispatchBlurEvent(this, this);
+}
+
+void HTMLInputElement::setType(const String& t)
+{
+ if (t.isEmpty()) {
+ int exccode;
+ removeAttribute(typeAttr, exccode);
+ } else
+ setAttribute(typeAttr, t);
+}
+
+typedef HashMap InputTypeMap;
+static const InputTypeMap* createTypeMap()
+{
+ InputTypeMap* map = new InputTypeMap;
+ map->add("button", HTMLInputElement::BUTTON);
+ map->add("checkbox", HTMLInputElement::CHECKBOX);
+ map->add("color", HTMLInputElement::COLOR);
+ map->add("date", HTMLInputElement::DATE);
+ map->add("datetime", HTMLInputElement::DATETIME);
+ map->add("datetime-local", HTMLInputElement::DATETIMELOCAL);
+ map->add("email", HTMLInputElement::EMAIL);
+ map->add("file", HTMLInputElement::FILE);
+ map->add("hidden", HTMLInputElement::HIDDEN);
+ map->add("image", HTMLInputElement::IMAGE);
+ map->add("khtml_isindex", HTMLInputElement::ISINDEX);
+ map->add("month", HTMLInputElement::MONTH);
+ map->add("number", HTMLInputElement::NUMBER);
+ map->add("password", HTMLInputElement::PASSWORD);
+ map->add("radio", HTMLInputElement::RADIO);
+ map->add("range", HTMLInputElement::RANGE);
+ map->add("reset", HTMLInputElement::RESET);
+ map->add("search", HTMLInputElement::SEARCH);
+ map->add("submit", HTMLInputElement::SUBMIT);
+ map->add("tel", HTMLInputElement::TELEPHONE);
+ map->add("time", HTMLInputElement::TIME);
+ map->add("url", HTMLInputElement::URL);
+ map->add("week", HTMLInputElement::WEEK);
+ // No need to register "text" because it is the default type.
+ return map;
+}
+
+void HTMLInputElement::setInputType(const String& t)
+{
+ static const InputTypeMap* typeMap = createTypeMap();
+ InputType newType = t.isNull() ? TEXT : typeMap->get(t);
+
+ // IMPORTANT: Don't allow the type to be changed to FILE after the first
+ // type change, otherwise a JavaScript programmer would be able to set a text
+ // field's value to something like /etc/passwd and then change it to a file field.
+ if (inputType() != newType) {
+ if (newType == FILE && m_haveType)
+ // Set the attribute back to the old value.
+ // Useful in case we were called from inside parseMappedAttribute.
+ setAttribute(typeAttr, type());
+ else {
+ checkedRadioButtons(this).removeButton(this);
+
+ if (newType == FILE && !m_fileList)
+ m_fileList = FileList::create();
+
+ bool wasAttached = attached();
+ if (wasAttached)
+ detach();
+
+ bool didStoreValue = storesValueSeparateFromAttribute();
+ bool wasPasswordField = inputType() == PASSWORD;
+ bool didRespectHeightAndWidth = respectHeightAndWidthAttrs();
+ m_type = newType;
+ setNeedsWillValidateCheck();
+ bool willStoreValue = storesValueSeparateFromAttribute();
+ bool isPasswordField = inputType() == PASSWORD;
+ bool willRespectHeightAndWidth = respectHeightAndWidthAttrs();
+
+ if (didStoreValue && !willStoreValue && !m_data.value().isNull()) {
+ setAttribute(valueAttr, m_data.value());
+ m_data.setValue(String());
+ }
+ if (!didStoreValue && willStoreValue)
+ m_data.setValue(sanitizeValue(getAttribute(valueAttr)));
+ else
+ InputElement::updateValueIfNeeded(m_data, this);
+
+ if (wasPasswordField && !isPasswordField)
+ unregisterForActivationCallbackIfNeeded();
+ else if (!wasPasswordField && isPasswordField)
+ registerForActivationCallbackIfNeeded();
+
+ if (didRespectHeightAndWidth != willRespectHeightAndWidth) {
+ NamedNodeMap* map = attributeMap();
+ ASSERT(map);
+ if (Attribute* height = map->getAttributeItem(heightAttr))
+ attributeChanged(height, false);
+ if (Attribute* width = map->getAttributeItem(widthAttr))
+ attributeChanged(width, false);
+ if (Attribute* align = map->getAttributeItem(alignAttr))
+ attributeChanged(align, false);
+ }
+
+ if (wasAttached) {
+ attach();
+ if (document()->focusedNode() == this)
+ updateFocusAppearance(true);
+ }
+
+ checkedRadioButtons(this).addButton(this);
+ }
+
+ setNeedsValidityCheck();
+ InputElement::notifyFormStateChanged(this);
+ }
+ m_haveType = true;
+
+ if (inputType() != IMAGE && m_imageLoader)
+ m_imageLoader.clear();
+}
+
+static const AtomicString* createFormControlTypes()
+{
+ AtomicString* types = new AtomicString[HTMLInputElement::numberOfTypes];
+ // The values must be lowercased because they will be the return values of
+ // input.type and it must be lowercase according to DOM Level 2.
+ types[HTMLInputElement::BUTTON] = "button";
+ types[HTMLInputElement::CHECKBOX] = "checkbox";
+ types[HTMLInputElement::COLOR] = "color";
+ types[HTMLInputElement::DATE] = "date";
+ types[HTMLInputElement::DATETIME] = "datetime";
+ types[HTMLInputElement::DATETIMELOCAL] = "datetime-local";
+ types[HTMLInputElement::EMAIL] = "email";
+ types[HTMLInputElement::FILE] = "file";
+ types[HTMLInputElement::HIDDEN] = "hidden";
+ types[HTMLInputElement::IMAGE] = "image";
+ types[HTMLInputElement::ISINDEX] = emptyAtom;
+ types[HTMLInputElement::MONTH] = "month";
+ types[HTMLInputElement::NUMBER] = "number";
+ types[HTMLInputElement::PASSWORD] = "password";
+ types[HTMLInputElement::RADIO] = "radio";
+ types[HTMLInputElement::RANGE] = "range";
+ types[HTMLInputElement::RESET] = "reset";
+ types[HTMLInputElement::SEARCH] = "search";
+ types[HTMLInputElement::SUBMIT] = "submit";
+ types[HTMLInputElement::TELEPHONE] = "tel";
+ types[HTMLInputElement::TEXT] = "text";
+ types[HTMLInputElement::TIME] = "time";
+ types[HTMLInputElement::URL] = "url";
+ types[HTMLInputElement::WEEK] = "week";
+ return types;
+}
+
+const AtomicString& HTMLInputElement::formControlType() const
+{
+ static const AtomicString* formControlTypes = createFormControlTypes();
+ return formControlTypes[inputType()];
+}
+
+bool HTMLInputElement::saveFormControlState(String& result) const
+{
+ switch (inputType()) {
+ case BUTTON:
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case RANGE:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK: {
+ String currentValue = value();
+ if (currentValue == defaultValue())
+ return false;
+ result = currentValue;
+ return true;
+ }
+ case CHECKBOX:
+ case RADIO:
+ result = checked() ? "on" : "off";
+ return true;
+ case PASSWORD:
+ return false;
+ }
+ ASSERT_NOT_REACHED();
+ return false;
+}
+
+void HTMLInputElement::restoreFormControlState(const String& state)
+{
+ ASSERT(inputType() != PASSWORD); // should never save/restore password fields
+ switch (inputType()) {
+ case BUTTON:
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case RANGE:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ setValue(state);
+ break;
+ case CHECKBOX:
+ case RADIO:
+ setChecked(state == "on");
+ break;
+ case PASSWORD:
+ break;
+ }
+}
+
+bool HTMLInputElement::canStartSelection() const
+{
+ if (!isTextField())
+ return false;
+ return HTMLFormControlElementWithState::canStartSelection();
+}
+
+bool HTMLInputElement::canHaveSelection() const
+{
+ return isTextField();
+}
+
+void HTMLInputElement::accessKeyAction(bool sendToAnyElement)
+{
+ switch (inputType()) {
+ case BUTTON:
+ case CHECKBOX:
+ case FILE:
+ case IMAGE:
+ case RADIO:
+ case RANGE:
+ case RESET:
+ case SUBMIT:
+ focus(false);
+ // send the mouse button events iff the caller specified sendToAnyElement
+ dispatchSimulatedClick(0, sendToAnyElement);
+ break;
+ case HIDDEN:
+ // a no-op for this type
+ break;
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ // should never restore previous selection here
+ focus(false);
+ break;
+ }
+}
+
+bool HTMLInputElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
+{
+ if (((attrName == heightAttr || attrName == widthAttr) && respectHeightAndWidthAttrs())
+ || attrName == vspaceAttr
+ || attrName == hspaceAttr) {
+ result = eUniversal;
+ return false;
+ }
+
+ if (attrName == alignAttr) {
+ if (inputType() == IMAGE) {
+ // Share with ![]()
since the alignment behavior is the same.
+ result = eReplaced;
+ return false;
+ }
+ }
+
+ return HTMLElement::mapToEntry(attrName, result);
+}
+
+void HTMLInputElement::parseMappedAttribute(Attribute* attr)
+{
+ if (attr->name() == nameAttr) {
+ checkedRadioButtons(this).removeButton(this);
+ m_data.setName(attr->value());
+ checkedRadioButtons(this).addButton(this);
+ HTMLFormControlElementWithState::parseMappedAttribute(attr);
+ } else if (attr->name() == autocompleteAttr) {
+ if (equalIgnoringCase(attr->value(), "off")) {
+ m_autocomplete = Off;
+ registerForActivationCallbackIfNeeded();
+ } else {
+ bool needsToUnregister = m_autocomplete == Off;
+
+ if (attr->isEmpty())
+ m_autocomplete = Uninitialized;
+ else
+ m_autocomplete = On;
+
+ if (needsToUnregister)
+ unregisterForActivationCallbackIfNeeded();
+ }
+ } else if (attr->name() == typeAttr) {
+ setInputType(attr->value());
+ } else if (attr->name() == 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);
+ setNeedsValidityCheck();
+ } else if (attr->name() == checkedAttr) {
+ m_defaultChecked = !attr->isNull();
+ if (m_useDefaultChecked) {
+ setChecked(m_defaultChecked);
+ m_useDefaultChecked = true;
+ }
+ setNeedsValidityCheck();
+ } else if (attr->name() == maxlengthAttr) {
+ InputElement::parseMaxLengthAttribute(m_data, this, this, attr);
+ setNeedsValidityCheck();
+ } else if (attr->name() == sizeAttr)
+ InputElement::parseSizeAttribute(m_data, this, attr);
+ else if (attr->name() == altAttr) {
+ if (renderer() && inputType() == IMAGE)
+ toRenderImage(renderer())->updateAltText();
+ } else if (attr->name() == srcAttr) {
+ if (renderer() && inputType() == IMAGE) {
+ if (!m_imageLoader)
+ m_imageLoader.set(new HTMLImageLoader(this));
+ m_imageLoader->updateFromElementIgnoringPreviousError();
+ }
+ } else if (attr->name() == usemapAttr || attr->name() == accesskeyAttr) {
+ // FIXME: ignore for the moment
+ } else if (attr->name() == vspaceAttr) {
+ addCSSLength(attr, CSSPropertyMarginTop, attr->value());
+ addCSSLength(attr, CSSPropertyMarginBottom, attr->value());
+ } else if (attr->name() == hspaceAttr) {
+ addCSSLength(attr, CSSPropertyMarginLeft, attr->value());
+ addCSSLength(attr, CSSPropertyMarginRight, attr->value());
+ } else if (attr->name() == alignAttr) {
+ if (inputType() == IMAGE)
+ addHTMLAlignment(attr);
+ } else if (attr->name() == widthAttr) {
+ if (respectHeightAndWidthAttrs())
+ addCSSLength(attr, CSSPropertyWidth, attr->value());
+ } else if (attr->name() == heightAttr) {
+ if (respectHeightAndWidthAttrs())
+ addCSSLength(attr, CSSPropertyHeight, attr->value());
+ } else if (attr->name() == onsearchAttr) {
+ // Search field and slider attributes all just cause updateFromElement to be called through style recalcing.
+ setAttributeEventListener(eventNames().searchEvent, createAttributeEventListener(this, attr));
+ } else if (attr->name() == resultsAttr) {
+ int oldResults = m_maxResults;
+ m_maxResults = !attr->isNull() ? std::min(attr->value().toInt(), maxSavedResults) : -1;
+ // FIXME: Detaching just for maxResults change is not ideal. We should figure out the right
+ // time to relayout for this change.
+ if (m_maxResults != oldResults && (m_maxResults <= 0 || oldResults <= 0) && attached()) {
+ detach();
+ attach();
+ }
+ setNeedsStyleRecalc();
+ } else if (attr->name() == autosaveAttr
+ || attr->name() == incrementalAttr)
+ setNeedsStyleRecalc();
+ else if (attr->name() == minAttr
+ || attr->name() == maxAttr) {
+ if (inputType() == RANGE) {
+ // Sanitize the value.
+ setValue(value());
+ setNeedsStyleRecalc();
+ }
+ setNeedsValidityCheck();
+ } else if (attr->name() == multipleAttr
+ || attr->name() == patternAttr
+ || attr->name() == precisionAttr
+ || attr->name() == stepAttr)
+ setNeedsValidityCheck();
+#if ENABLE(DATALIST)
+ else if (attr->name() == listAttr)
+ m_hasNonEmptyList = !attr->isEmpty();
+ // FIXME: we need to tell this change to a renderer if the attribute affects the appearance.
+#endif
+#if ENABLE(INPUT_SPEECH)
+ else if (attr->name() == speechAttr) {
+ if (renderer())
+ renderer()->updateFromElement();
+ setNeedsStyleRecalc();
+ }
+#endif
+ else
+ HTMLTextFormControlElement::parseMappedAttribute(attr);
+}
+
+bool HTMLInputElement::rendererIsNeeded(RenderStyle *style)
+{
+ if (inputType() == HIDDEN)
+ return false;
+ return HTMLFormControlElementWithState::rendererIsNeeded(style);
+}
+
+RenderObject* HTMLInputElement::createRenderer(RenderArena *arena, RenderStyle *style)
+{
+ switch (inputType()) {
+ case BUTTON:
+ case RESET:
+ case SUBMIT:
+ return new (arena) RenderButton(this);
+ case CHECKBOX:
+ case RADIO:
+ return RenderObject::createObject(this, style);
+ case FILE:
+ return new (arena) RenderFileUploadControl(this);
+ case HIDDEN:
+ break;
+ case IMAGE:
+ return new (arena) RenderImage(this);
+ case RANGE:
+ return new (arena) RenderSlider(this);
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ return new (arena) RenderTextControlSingleLine(this, placeholderShouldBeVisible());
+ }
+ ASSERT(false);
+ return 0;
+}
+
+void HTMLInputElement::attach()
+{
+ if (!m_inited) {
+ if (!m_haveType)
+ setInputType(getAttribute(typeAttr));
+ m_inited = true;
+ }
+
+ HTMLFormControlElementWithState::attach();
+
+ if (inputType() == IMAGE) {
+ if (!m_imageLoader)
+ m_imageLoader.set(new HTMLImageLoader(this));
+ m_imageLoader->updateFromElement();
+ if (renderer() && m_imageLoader->haveFiredBeforeLoadEvent()) {
+ RenderImage* imageObj = toRenderImage(renderer());
+ imageObj->setCachedImage(m_imageLoader->image());
+
+ // If we have no image at all because we have no src attribute, set
+ // image height and width for the alt text instead.
+ if (!m_imageLoader->image() && !imageObj->cachedImage())
+ imageObj->setImageSizeForAltText();
+ }
+ }
+
+ if (inputType() == RADIO)
+ updateCheckedRadioButtons();
+
+ if (document()->focusedNode() == this)
+ document()->updateFocusAppearanceSoon(true /* restore selection */);
+}
+
+void HTMLInputElement::detach()
+{
+ HTMLFormControlElementWithState::detach();
+ setFormControlValueMatchesRenderer(false);
+}
+
+String HTMLInputElement::altText() const
+{
+ // http://www.w3.org/TR/1998/REC-html40-19980424/appendix/notes.html#altgen
+ // also heavily discussed by Hixie on bugzilla
+ // note this is intentionally different to HTMLImageElement::altText()
+ String alt = getAttribute(altAttr);
+ // fall back to title attribute
+ if (alt.isNull())
+ alt = getAttribute(titleAttr);
+ if (alt.isNull())
+ alt = getAttribute(valueAttr);
+ if (alt.isEmpty())
+ alt = inputElementAltText();
+ return alt;
+}
+
+bool HTMLInputElement::isSuccessfulSubmitButton() const
+{
+ // HTML spec says that buttons must have names to be considered successful.
+ // However, other browsers do not impose this constraint. So we do likewise.
+ return !disabled() && (inputType() == IMAGE || inputType() == SUBMIT);
+}
+
+bool HTMLInputElement::isActivatedSubmit() const
+{
+ return m_activeSubmit;
+}
+
+void HTMLInputElement::setActivatedSubmit(bool flag)
+{
+ m_activeSubmit = flag;
+}
+
+bool HTMLInputElement::appendFormData(FormDataList& encoding, bool multipart)
+{
+ // image generates its own names, but for other types there is no form data unless there's a name
+ if (name().isEmpty() && inputType() != IMAGE)
+ return false;
+
+ switch (inputType()) {
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case HIDDEN:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case RANGE:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ // always successful
+ encoding.appendData(name(), value());
+ return true;
+
+ case CHECKBOX:
+ case RADIO:
+ if (checked()) {
+ encoding.appendData(name(), value());
+ return true;
+ }
+ break;
+
+ case BUTTON:
+ case RESET:
+ // these types of buttons are never successful
+ return false;
+
+ case IMAGE:
+ if (m_activeSubmit) {
+ encoding.appendData(name().isEmpty() ? "x" : (name() + ".x"), m_xPos);
+ encoding.appendData(name().isEmpty() ? "y" : (name() + ".y"), m_yPos);
+ if (!name().isEmpty() && !value().isEmpty())
+ encoding.appendData(name(), value());
+ return true;
+ }
+ break;
+
+ case SUBMIT:
+ if (m_activeSubmit) {
+ String encstr = valueWithDefault();
+ encoding.appendData(name(), encstr);
+ return true;
+ }
+ break;
+
+ case FILE: {
+ unsigned numFiles = m_fileList->length();
+ if (!multipart) {
+ // Send only the basenames.
+ // 4.10.16.4 and 4.10.16.6 sections in HTML5.
+
+ // Unlike the multipart case, we have no special
+ // handling for the empty fileList because Netscape
+ // doesn't support for non-multipart submission of
+ // file inputs, and Firefox doesn't add "name=" query
+ // parameter.
+
+ for (unsigned i = 0; i < numFiles; ++i)
+ encoding.appendData(name(), m_fileList->item(i)->fileName());
+ return true;
+ }
+
+ // If no filename at all is entered, return successful but empty.
+ // Null would be more logical, but Netscape posts an empty file. Argh.
+ if (!numFiles) {
+ encoding.appendBlob(name(), File::create(""));
+ return true;
+ }
+
+ for (unsigned i = 0; i < numFiles; ++i)
+ encoding.appendBlob(name(), m_fileList->item(i));
+ return true;
+ }
+ }
+ return false;
+}
+
+void HTMLInputElement::reset()
+{
+ if (storesValueSeparateFromAttribute())
+ setValue(String());
+
+ setChecked(m_defaultChecked);
+ m_useDefaultChecked = true;
+}
+
+bool HTMLInputElement::isTextField() const
+{
+ switch (inputType()) {
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ return true;
+ case BUTTON:
+ case CHECKBOX:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case RADIO:
+ case RANGE:
+ case RESET:
+ case SUBMIT:
+ return false;
+ }
+ ASSERT_NOT_REACHED();
+ return false;
+}
+
+void HTMLInputElement::setChecked(bool nowChecked, bool sendChangeEvent)
+{
+ if (checked() == nowChecked)
+ return;
+
+ checkedRadioButtons(this).removeButton(this);
+
+ m_useDefaultChecked = false;
+ m_checked = nowChecked;
+ setNeedsStyleRecalc();
+
+ updateCheckedRadioButtons();
+
+ // Ideally we'd do this from the render tree (matching
+ // RenderTextView), but it's not possible to do it at the moment
+ // because of the way the code is structured.
+ if (renderer() && AXObjectCache::accessibilityEnabled())
+ renderer()->document()->axObjectCache()->postNotification(renderer(), AXObjectCache::AXCheckedStateChanged, true);
+
+ // Only send a change event for items in the document (avoid firing during
+ // parsing) and don't send a change event for a radio button that's getting
+ // unchecked to match other browsers. DOM is not a useful standard for this
+ // because it says only to fire change events at "lose focus" time, which is
+ // definitely wrong in practice for these types of elements.
+ if (sendChangeEvent && inDocument() && (inputType() != RADIO || nowChecked))
+ dispatchFormControlChangeEvent();
+}
+
+void HTMLInputElement::setIndeterminate(bool newValue)
+{
+ // Only checkboxes and radio buttons honor indeterminate.
+ if (!allowsIndeterminate() || indeterminate() == newValue)
+ return;
+
+ m_indeterminate = newValue;
+
+ setNeedsStyleRecalc();
+
+ if (renderer() && renderer()->style()->hasAppearance())
+ renderer()->theme()->stateChanged(renderer(), CheckedState);
+}
+
+int HTMLInputElement::size() const
+{
+ return m_data.size();
+}
+
+void HTMLInputElement::copyNonAttributeProperties(const Element* source)
+{
+ const HTMLInputElement* sourceElement = static_cast(source);
+
+ m_data.setValue(sourceElement->m_data.value());
+ setChecked(sourceElement->m_checked);
+ m_defaultChecked = sourceElement->m_defaultChecked;
+ m_useDefaultChecked = sourceElement->m_useDefaultChecked;
+ m_indeterminate = sourceElement->m_indeterminate;
+
+ HTMLFormControlElementWithState::copyNonAttributeProperties(source);
+}
+
+String HTMLInputElement::value() const
+{
+ // The HTML5 spec (as of the 10/24/08 working draft) says that the value attribute isn't applicable to the file upload control
+ // but we don't want to break existing websites, who may be relying on being able to get the file name as a value.
+ if (inputType() == FILE) {
+ if (!m_fileList->isEmpty())
+ return m_fileList->item(0)->fileName();
+ return String();
+ }
+
+ String value = m_data.value();
+ if (value.isNull()) {
+ value = sanitizeValue(fastGetAttribute(valueAttr));
+
+ // If no attribute exists, extra handling may be necessary.
+ // For Checkbox Types just use "on" or "" based off the checked() state of the control.
+ // For a Range Input use the calculated default value.
+ if (value.isNull()) {
+ if (inputType() == CHECKBOX || inputType() == RADIO)
+ return checked() ? "on" : "";
+ if (inputType() == RANGE)
+ return serializeForNumberType(StepRange(this).defaultValue());
+ }
+ }
+
+ return value;
+}
+
+String HTMLInputElement::valueWithDefault() const
+{
+ String v = value();
+ if (v.isNull()) {
+ switch (inputType()) {
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case RADIO:
+ case RANGE:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ break;
+ case RESET:
+ v = resetButtonDefaultLabel();
+ break;
+ case SUBMIT:
+ v = submitButtonDefaultLabel();
+ break;
+ }
+ }
+ return v;
+}
+
+void HTMLInputElement::setValueForUser(const String& value)
+{
+ // Call setValue and make it send a change event.
+ setValue(value, true);
+}
+
+const String& HTMLInputElement::suggestedValue() const
+{
+ return m_data.suggestedValue();
+}
+
+void HTMLInputElement::setSuggestedValue(const String& value)
+{
+ if (inputType() != TEXT)
+ return;
+ setFormControlValueMatchesRenderer(false);
+ m_data.setSuggestedValue(sanitizeValue(value));
+ updatePlaceholderVisibility(false);
+ if (renderer())
+ renderer()->updateFromElement();
+ setNeedsStyleRecalc();
+}
+
+void HTMLInputElement::setValue(const String& value, bool sendChangeEvent)
+{
+ // For security reasons, we don't allow setting the filename, but we do allow clearing it.
+ // The HTML5 spec (as of the 10/24/08 working draft) says that the value attribute isn't applicable to the file upload control
+ // but we don't want to break existing websites, who may be relying on this method to clear things.
+ if (inputType() == FILE && !value.isEmpty())
+ return;
+
+ setFormControlValueMatchesRenderer(false);
+ if (storesValueSeparateFromAttribute()) {
+ if (inputType() == FILE)
+ m_fileList->clear();
+ else {
+ m_data.setValue(sanitizeValue(value));
+ if (isTextField())
+ updatePlaceholderVisibility(false);
+ }
+ setNeedsStyleRecalc();
+ } else
+ setAttribute(valueAttr, sanitizeValue(value));
+
+ setNeedsValidityCheck();
+
+ if (isTextField()) {
+ unsigned max = m_data.value().length();
+ if (document()->focusedNode() == this)
+ InputElement::updateSelectionRange(this, this, max, max);
+ else
+ cacheSelection(max, max);
+ m_data.setSuggestedValue(String());
+ }
+
+ // Don't dispatch the change event when focused, it will be dispatched
+ // when the control loses focus.
+ if (sendChangeEvent && document()->focusedNode() != this)
+ dispatchFormControlChangeEvent();
+
+ InputElement::notifyFormStateChanged(this);
+}
+
+double HTMLInputElement::parseToDouble(const String& src, double defaultValue) const
+{
+ switch (inputType()) {
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case TIME:
+ case WEEK: {
+ DateComponents date;
+ if (!parseToDateComponents(inputType(), src, &date))
+ return defaultValue;
+ double msec = date.millisecondsSinceEpoch();
+ ASSERT(isfinite(msec));
+ return msec;
+ }
+ case MONTH: {
+ DateComponents date;
+ if (!parseToDateComponents(inputType(), src, &date))
+ return defaultValue;
+ double months = date.monthsSinceEpoch();
+ ASSERT(isfinite(months));
+ return months;
+ }
+ case NUMBER:
+ case RANGE: {
+ double numberValue;
+ if (!parseToDoubleForNumberType(src, &numberValue))
+ return defaultValue;
+ ASSERT(isfinite(numberValue));
+ return numberValue;
+ }
+
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ return defaultValue;
+ }
+ ASSERT_NOT_REACHED();
+ return defaultValue;
+}
+
+double HTMLInputElement::valueAsDate() const
+{
+ switch (inputType()) {
+ case DATE:
+ case DATETIME:
+ case TIME:
+ case WEEK:
+ return parseToDouble(value(), DateComponents::invalidMilliseconds());
+ case MONTH: {
+ DateComponents date;
+ if (!parseToDateComponents(inputType(), value(), &date))
+ return DateComponents::invalidMilliseconds();
+ double msec = date.millisecondsSinceEpoch();
+ ASSERT(isfinite(msec));
+ return msec;
+ }
+
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case DATETIMELOCAL: // valueAsDate doesn't work for the DATETIMELOCAL type according to the standard.
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case NUMBER:
+ case PASSWORD:
+ case RADIO:
+ case RANGE:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ return DateComponents::invalidMilliseconds();
+ }
+ ASSERT_NOT_REACHED();
+ return DateComponents::invalidMilliseconds();
+}
+
+void HTMLInputElement::setValueAsDate(double value, ExceptionCode& ec)
+{
+ switch (inputType()) {
+ case DATE:
+ case DATETIME:
+ case TIME:
+ case WEEK:
+ setValue(serializeForDateTimeTypes(value));
+ return;
+ case MONTH: {
+ DateComponents date;
+ if (!date.setMillisecondsSinceEpochForMonth(value)) {
+ setValue(String());
+ return;
+ }
+ setValue(date.toString());
+ return;
+ }
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case DATETIMELOCAL: // valueAsDate doesn't work for the DATETIMELOCAL type according to the standard.
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case NUMBER:
+ case PASSWORD:
+ case RADIO:
+ case RANGE:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ ec = INVALID_STATE_ERR;
+ return;
+ }
+ ASSERT_NOT_REACHED();
+}
+
+double HTMLInputElement::valueAsNumber() const
+{
+ const double nan = numeric_limits::quiet_NaN();
+ switch (inputType()) {
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case MONTH:
+ case NUMBER:
+ case RANGE:
+ case TIME:
+ case WEEK:
+ return parseToDouble(value(), nan);
+
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ return nan;
+ }
+ ASSERT_NOT_REACHED();
+ return nan;
+}
+
+void HTMLInputElement::setValueAsNumber(double newValue, ExceptionCode& ec)
+{
+ if (!isfinite(newValue)) {
+ ec = NOT_SUPPORTED_ERR;
+ return;
+ }
+ switch (inputType()) {
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case MONTH:
+ case NUMBER:
+ case RANGE:
+ case TIME:
+ case WEEK:
+ setValue(serialize(newValue));
+ return;
+
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ ec = INVALID_STATE_ERR;
+ return;
+ }
+ ASSERT_NOT_REACHED();
+}
+
+String HTMLInputElement::serializeForDateTimeTypes(double value) const
+{
+ bool success = false;
+ DateComponents date;
+ switch (inputType()) {
+ case DATE:
+ success = date.setMillisecondsSinceEpochForDate(value);
+ break;
+ case DATETIME:
+ success = date.setMillisecondsSinceEpochForDateTime(value);
+ break;
+ case DATETIMELOCAL:
+ success = date.setMillisecondsSinceEpochForDateTimeLocal(value);
+ break;
+ case MONTH:
+ success = date.setMonthsSinceEpoch(value);
+ break;
+ case TIME:
+ success = date.setMillisecondsSinceMidnight(value);
+ break;
+ case WEEK:
+ success = date.setMillisecondsSinceEpochForWeek(value);
+ break;
+ case NUMBER:
+ case RANGE:
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ ASSERT_NOT_REACHED();
+ return String();
+ }
+ if (!success)
+ return String();
+
+ double step;
+ if (!getAllowedValueStep(&step))
+ return date.toString();
+ if (!fmod(step, msecPerMinute))
+ return date.toString(DateComponents::None);
+ if (!fmod(step, msecPerSecond))
+ return date.toString(DateComponents::Second);
+ return date.toString(DateComponents::Millisecond);
+}
+
+String HTMLInputElement::serialize(double value) const
+{
+ if (!isfinite(value))
+ return String();
+ switch (inputType()) {
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case MONTH:
+ case TIME:
+ case WEEK:
+ return serializeForDateTimeTypes(value);
+ case NUMBER:
+ case RANGE:
+ return serializeForNumberType(value);
+
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SEARCH:
+ case SUBMIT:
+ case TELEPHONE:
+ case TEXT:
+ case URL:
+ break;
+ }
+ ASSERT_NOT_REACHED();
+ return String();
+}
+
+String HTMLInputElement::placeholder() const
+{
+ return getAttribute(placeholderAttr).string();
+}
+
+void HTMLInputElement::setPlaceholder(const String& value)
+{
+ setAttribute(placeholderAttr, value);
+}
+
+bool HTMLInputElement::searchEventsShouldBeDispatched() const
+{
+ return hasAttribute(incrementalAttr);
+}
+
+void HTMLInputElement::setValueFromRenderer(const String& value)
+{
+ // File upload controls will always use setFileListFromRenderer.
+ ASSERT(inputType() != FILE);
+ m_data.setSuggestedValue(String());
+ updatePlaceholderVisibility(false);
+ InputElement::setValueFromRenderer(m_data, this, this, value);
+ setNeedsValidityCheck();
+
+ // Clear autofill flag (and yellow background) on user edit.
+ setAutofilled(false);
+}
+
+void HTMLInputElement::setFileListFromRenderer(const Vector& paths)
+{
+ m_fileList->clear();
+ int size = paths.size();
+
+#if ENABLE(DIRECTORY_UPLOAD)
+ // If a directory is being selected, the UI allows a directory to be chosen
+ // and the paths provided here share a root directory somewhere up the tree;
+ // we want to store only the relative paths from that point.
+ if (webkitdirectory() && size > 0) {
+ String rootPath = directoryName(paths[0]);
+ // Find the common root path.
+ for (int i = 1; i < size; i++) {
+ while (!paths[i].startsWith(rootPath))
+ rootPath = directoryName(rootPath);
+ }
+ rootPath = directoryName(rootPath);
+ ASSERT(rootPath.length());
+ for (int i = 0; i < size; i++)
+ m_fileList->append(File::create(paths[i].substring(1 + rootPath.length()), paths[i]));
+ } else {
+ for (int i = 0; i < size; i++)
+ m_fileList->append(File::create(paths[i]));
+ }
+#else
+ for (int i = 0; i < size; i++)
+ m_fileList->append(File::create(paths[i]));
+#endif
+
+ setFormControlValueMatchesRenderer(true);
+ InputElement::notifyFormStateChanged(this);
+ setNeedsValidityCheck();
+}
+
+bool HTMLInputElement::storesValueSeparateFromAttribute() const
+{
+ switch (inputType()) {
+ case BUTTON:
+ case CHECKBOX:
+ case HIDDEN:
+ case IMAGE:
+ case RADIO:
+ case RESET:
+ case SUBMIT:
+ return false;
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case FILE:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case RANGE:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ return true;
+ }
+ return false;
+}
+
+struct EventHandlingState {
+ RefPtr m_currRadio;
+ bool m_indeterminate;
+ bool m_checked;
+
+ EventHandlingState(bool indeterminate, bool checked)
+ : m_indeterminate(indeterminate)
+ , m_checked(checked) { }
+};
+
+void* HTMLInputElement::preDispatchEventHandler(Event *evt)
+{
+ // preventDefault or "return false" are used to reverse the automatic checking/selection we do here.
+ // This result gives us enough info to perform the "undo" in postDispatch of the action we take here.
+ void* result = 0;
+ if ((inputType() == CHECKBOX || inputType() == RADIO) && evt->isMouseEvent()
+ && evt->type() == eventNames().clickEvent && static_cast(evt)->button() == LeftButton) {
+
+ EventHandlingState* state = new EventHandlingState(indeterminate(), checked());
+
+ if (inputType() == CHECKBOX) {
+ if (indeterminate())
+ setIndeterminate(false);
+ else
+ setChecked(!checked(), true);
+ } else {
+ // For radio buttons, store the current selected radio object.
+ // We really want radio groups to end up in sane states, i.e., to have something checked.
+ // Therefore if nothing is currently selected, we won't allow this action to be "undone", since
+ // we want some object in the radio group to actually get selected.
+ HTMLInputElement* currRadio = checkedRadioButtons(this).checkedButtonForGroup(name());
+ if (currRadio) {
+ // We have a radio button selected that is not us. Cache it in our result field and ref it so
+ // that it can't be destroyed.
+ state->m_currRadio = currRadio;
+ }
+ if (indeterminate())
+ setIndeterminate(false);
+ setChecked(true, true);
+ }
+ result = state;
+ }
+ return result;
+}
+
+void HTMLInputElement::postDispatchEventHandler(Event *evt, void* data)
+{
+ if ((inputType() == CHECKBOX || inputType() == RADIO) && evt->isMouseEvent()
+ && evt->type() == eventNames().clickEvent && static_cast(evt)->button() == LeftButton) {
+
+ if (EventHandlingState* state = reinterpret_cast(data)) {
+ if (inputType() == CHECKBOX) {
+ // Reverse the checking we did in preDispatch.
+ if (evt->defaultPrevented() || evt->defaultHandled()) {
+ setIndeterminate(state->m_indeterminate);
+ setChecked(state->m_checked);
+ }
+ } else {
+ HTMLInputElement* input = state->m_currRadio.get();
+ if (evt->defaultPrevented() || evt->defaultHandled()) {
+ // Restore the original selected radio button if possible.
+ // Make sure it is still a radio button and only do the restoration if it still
+ // belongs to our group.
+
+ if (input && input->form() == form() && input->inputType() == RADIO && input->name() == name()) {
+ // Ok, the old radio button is still in our form and in our group and is still a
+ // radio button, so it's safe to restore selection to it.
+ input->setChecked(true);
+ }
+ setIndeterminate(state->m_indeterminate);
+ }
+ }
+ delete state;
+ }
+
+ // Left clicks on radio buttons and check boxes already performed default actions in preDispatchEventHandler().
+ evt->setDefaultHandled();
+ }
+}
+
+void HTMLInputElement::defaultEventHandler(Event* evt)
+{
+ // FIXME: It would be better to refactor this for the different types of input element.
+ // Having them all in one giant function makes this hard to read, and almost all the handling is type-specific.
+
+ bool implicitSubmission = false;
+
+ if (isTextField() && evt->type() == eventNames().textInputEvent && evt->isTextEvent() && static_cast(evt)->data() == "\n")
+ implicitSubmission = true;
+
+ if (inputType() == IMAGE && evt->isMouseEvent() && evt->type() == eventNames().clickEvent) {
+ // record the mouse position for when we get the DOMActivate event
+ MouseEvent* me = static_cast(evt);
+ // FIXME: We could just call offsetX() and offsetY() on the event,
+ // but that's currently broken, so for now do the computation here.
+ if (me->isSimulated() || !renderer()) {
+ m_xPos = 0;
+ m_yPos = 0;
+ } else {
+ // FIXME: This doesn't work correctly with transforms.
+ // FIXME: pageX/pageY need adjusting for pageZoomFactor(). Use actualPageLocation()?
+ IntPoint absOffset = roundedIntPoint(renderer()->localToAbsolute());
+ m_xPos = me->pageX() - absOffset.x();
+ m_yPos = me->pageY() - absOffset.y();
+ }
+ }
+
+ if (hasSpinButton() && evt->type() == eventNames().keydownEvent && evt->isKeyboardEvent()) {
+ String key = static_cast(evt)->keyIdentifier();
+ int step = 0;
+ if (key == "Up")
+ step = 1;
+ else if (key == "Down")
+ step = -1;
+ if (step) {
+ stepUpFromRenderer(step);
+ evt->setDefaultHandled();
+ return;
+ }
+ }
+
+ if (isTextField()
+ && evt->type() == eventNames().keydownEvent
+ && evt->isKeyboardEvent()
+ && focused()
+ && document()->frame()
+ && document()->frame()->doTextFieldCommandFromEvent(this, static_cast(evt))) {
+ evt->setDefaultHandled();
+ return;
+ }
+
+ if (inputType() == RADIO
+ && evt->isMouseEvent()
+ && evt->type() == eventNames().clickEvent
+ && static_cast(evt)->button() == LeftButton) {
+ evt->setDefaultHandled();
+ return;
+ }
+
+ // Call the base event handler before any of our own event handling for almost all events in text fields.
+ // Makes editing keyboard handling take precedence over the keydown and keypress handling in this function.
+ bool callBaseClassEarly = isTextField() && !implicitSubmission
+ && (evt->type() == eventNames().keydownEvent || evt->type() == eventNames().keypressEvent);
+ if (callBaseClassEarly) {
+ HTMLFormControlElementWithState::defaultEventHandler(evt);
+ if (evt->defaultHandled())
+ return;
+ }
+
+ // DOMActivate events cause the input to be "activated" - in the case of image and submit inputs, this means
+ // actually submitting the form. For reset inputs, the form is reset. These events are sent when the user clicks
+ // on the element, or presses enter while it is the active element. JavaScript code wishing to activate the element
+ // must dispatch a DOMActivate event - a click event will not do the job.
+ if (evt->type() == eventNames().DOMActivateEvent && !disabled()) {
+ if (inputType() == IMAGE || inputType() == SUBMIT || inputType() == RESET) {
+ if (!form())
+ return;
+ if (inputType() == RESET)
+ form()->reset();
+ else {
+ m_activeSubmit = true;
+ // FIXME: Would be cleaner to get m_xPos and m_yPos out of the underlying mouse
+ // event (if any) here instead of relying on the variables set above when
+ // processing the click event. Even better, appendFormData could pass the
+ // event in, and then we could get rid of m_xPos and m_yPos altogether!
+ if (!form()->prepareSubmit(evt)) {
+ m_xPos = 0;
+ m_yPos = 0;
+ }
+ m_activeSubmit = false;
+ }
+ } else if (inputType() == FILE && renderer())
+ toRenderFileUploadControl(renderer())->click();
+ }
+
+ // 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()) {
+ bool clickElement = false;
+
+ int charCode = static_cast(evt)->charCode();
+
+ if (charCode == '\r') {
+ switch (inputType()) {
+ case CHECKBOX:
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case HIDDEN:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case RADIO:
+ case RANGE:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ // Simulate mouse click on the default form button for enter for these types of elements.
+ implicitSubmission = true;
+ break;
+ case BUTTON:
+ case FILE:
+ case IMAGE:
+ case RESET:
+ case SUBMIT:
+ // Simulate mouse click for enter for these types of elements.
+ clickElement = true;
+ break;
+ }
+ } else if (charCode == ' ') {
+ switch (inputType()) {
+ case BUTTON:
+ case CHECKBOX:
+ case FILE:
+ case IMAGE:
+ case RESET:
+ case SUBMIT:
+ case RADIO:
+ // Prevent scrolling down the page.
+ evt->setDefaultHandled();
+ return;
+ default:
+ break;
+ }
+ }
+
+ if (clickElement) {
+ dispatchSimulatedClick(evt);
+ evt->setDefaultHandled();
+ return;
+ }
+ }
+
+ if (evt->type() == eventNames().keydownEvent && evt->isKeyboardEvent()) {
+ String key = static_cast(evt)->keyIdentifier();
+
+ if (key == "U+0020") {
+ switch (inputType()) {
+ case BUTTON:
+ case CHECKBOX:
+ case FILE:
+ case IMAGE:
+ case RESET:
+ case SUBMIT:
+ case RADIO:
+ setActive(true, true);
+ // No setDefaultHandled(), because IE dispatches a keypress in this case
+ // and the caller will only dispatch a keypress if we don't call setDefaultHandled.
+ return;
+ default:
+ break;
+ }
+ }
+
+ if (inputType() == RADIO && (key == "Up" || key == "Down" || key == "Left" || key == "Right")) {
+ // Left and up mean "previous radio button".
+ // Right and down mean "next radio button".
+ // Tested in WinIE, and even for RTL, left still means previous radio button (and so moves
+ // to the right). Seems strange, but we'll match it.
+ bool forward = (key == "Down" || key == "Right");
+
+ // We can only stay within the form's children if the form hasn't been demoted to a leaf because
+ // of malformed HTML.
+ Node* n = this;
+ while ((n = (forward ? n->traverseNextNode() : n->traversePreviousNode()))) {
+ // Once we encounter a form element, we know we're through.
+ if (n->hasTagName(formTag))
+ break;
+
+ // Look for more radio buttons.
+ if (n->hasTagName(inputTag)) {
+ HTMLInputElement* elt = static_cast(n);
+ if (elt->form() != form())
+ break;
+ if (n->hasTagName(inputTag)) {
+ HTMLInputElement* inputElt = static_cast(n);
+ if (inputElt->inputType() == RADIO && inputElt->name() == name() && inputElt->isFocusable()) {
+ inputElt->setChecked(true);
+ document()->setFocusedNode(inputElt);
+ inputElt->dispatchSimulatedClick(evt, false, false);
+ evt->setDefaultHandled();
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if (evt->type() == eventNames().keyupEvent && evt->isKeyboardEvent()) {
+ bool clickElement = false;
+
+ String key = static_cast(evt)->keyIdentifier();
+
+ if (key == "U+0020") {
+ switch (inputType()) {
+ case BUTTON:
+ case CHECKBOX:
+ case FILE:
+ case IMAGE:
+ case RESET:
+ case SUBMIT:
+ // Simulate mouse click for spacebar for these types of elements.
+ // The AppKit already does this for some, but not all, of them.
+ clickElement = true;
+ break;
+ case RADIO:
+ // If an unselected radio is tabbed into (because the entire group has nothing
+ // checked, or because of some explicit .focus() call), then allow space to check it.
+ if (!checked())
+ clickElement = true;
+ break;
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case HIDDEN:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case RANGE:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ break;
+ }
+ }
+
+ if (clickElement) {
+ if (active())
+ dispatchSimulatedClick(evt);
+ evt->setDefaultHandled();
+ return;
+ }
+ }
+
+ if (implicitSubmission) {
+ if (isSearchField()) {
+ addSearchResult();
+ onSearch();
+ }
+ // Fire onChange for text fields.
+ RenderObject* r = renderer();
+ if (r && r->isTextField() && toRenderTextControl(r)->wasChangedSinceLastChangeEvent()) {
+ dispatchFormControlChangeEvent();
+ // Refetch the renderer since arbitrary JS code run during onchange can do anything, including destroying it.
+ r = renderer();
+ if (r && r->isTextField())
+ toRenderTextControl(r)->setChangedSinceLastChangeEvent(false);
+ }
+
+ RefPtr formForSubmission = form();
+ // If there is no form and the element is an , then create a temporary form just to be used for submission.
+ if (!formForSubmission && inputType() == ISINDEX)
+ formForSubmission = createTemporaryFormForIsIndex();
+
+ // Form may never have been present, or may have been destroyed by code responding to the change event.
+ if (formForSubmission)
+ formForSubmission->submitImplicitly(evt, canTriggerImplicitSubmission());
+
+ evt->setDefaultHandled();
+ return;
+ }
+
+ if (evt->isBeforeTextInsertedEvent())
+ handleBeforeTextInsertedEvent(evt);
+
+ if (isTextField() && renderer() && (evt->isMouseEvent() || evt->isDragEvent() || evt->isWheelEvent() || evt->type() == eventNames().blurEvent || evt->type() == eventNames().focusEvent))
+ toRenderTextControlSingleLine(renderer())->forwardEvent(evt);
+
+ if (inputType() == RANGE && renderer() && (evt->isMouseEvent() || evt->isDragEvent() || evt->isWheelEvent()))
+ toRenderSlider(renderer())->forwardEvent(evt);
+
+ if (!callBaseClassEarly && !evt->defaultHandled())
+ HTMLFormControlElementWithState::defaultEventHandler(evt);
+}
+
+void HTMLInputElement::handleBeforeTextInsertedEvent(Event* event)
+{
+ if (inputType() == NUMBER) {
+ BeforeTextInsertedEvent* textEvent = static_cast(event);
+ unsigned length = textEvent->text().length();
+ bool hasInvalidChar = false;
+ for (unsigned i = 0; i < length; ++i) {
+ if (!isNumberCharacter(textEvent->text()[i])) {
+ hasInvalidChar = true;
+ break;
+ }
+ }
+ if (hasInvalidChar) {
+ Vector stripped;
+ stripped.reserveCapacity(length);
+ for (unsigned i = 0; i < length; ++i) {
+ UChar ch = textEvent->text()[i];
+ if (!isNumberCharacter(ch))
+ continue;
+ stripped.append(ch);
+ }
+ textEvent->setText(String::adopt(stripped));
+ }
+ }
+ InputElement::handleBeforeTextInsertedEvent(m_data, this, this, event);
+}
+
+PassRefPtr HTMLInputElement::createTemporaryFormForIsIndex()
+{
+ RefPtr form = HTMLFormElement::create(document());
+ form->registerFormElement(this);
+ form->setMethod("GET");
+ if (!document()->baseURL().isEmpty()) {
+ // We treat the href property of the element as the form action, as per section 7.5
+ // "Queries and Indexes" of the HTML 2.0 spec. .
+ form->setAction(document()->baseURL().string());
+ }
+ return form.release();
+}
+
+bool HTMLInputElement::isURLAttribute(Attribute *attr) const
+{
+ return (attr->name() == srcAttr);
+}
+
+String HTMLInputElement::defaultValue() const
+{
+ return getAttribute(valueAttr);
+}
+
+void HTMLInputElement::setDefaultValue(const String &value)
+{
+ setAttribute(valueAttr, value);
+}
+
+bool HTMLInputElement::defaultChecked() const
+{
+ return !getAttribute(checkedAttr).isNull();
+}
+
+void HTMLInputElement::setDefaultName(const AtomicString& name)
+{
+ m_data.setName(name);
+}
+
+String HTMLInputElement::accept() const
+{
+ return getAttribute(acceptAttr);
+}
+
+String HTMLInputElement::alt() const
+{
+ return getAttribute(altAttr);
+}
+
+int HTMLInputElement::maxLength() const
+{
+ return m_data.maxLength();
+}
+
+void HTMLInputElement::setMaxLength(int maxLength, ExceptionCode& ec)
+{
+ if (maxLength < 0)
+ ec = INDEX_SIZE_ERR;
+ else
+ setAttribute(maxlengthAttr, String::number(maxLength));
+}
+
+bool HTMLInputElement::multiple() const
+{
+ return !getAttribute(multipleAttr).isNull();
+}
+
+#if ENABLE(DIRECTORY_UPLOAD)
+bool HTMLInputElement::webkitdirectory() const
+{
+ return !getAttribute(webkitdirectoryAttr).isNull();
+}
+#endif
+
+void HTMLInputElement::setSize(unsigned size)
+{
+ setAttribute(sizeAttr, String::number(size));
+}
+
+KURL HTMLInputElement::src() const
+{
+ return document()->completeURL(getAttribute(srcAttr));
+}
+
+void HTMLInputElement::setAutofilled(bool b)
+{
+ if (b == m_autofilled)
+ return;
+
+ m_autofilled = b;
+ setNeedsStyleRecalc();
+}
+
+FileList* HTMLInputElement::files()
+{
+ if (inputType() != FILE)
+ return 0;
+ return m_fileList.get();
+}
+
+String HTMLInputElement::sanitizeValue(const String& proposedValue) const
+{
+ if (isTextField())
+ return InputElement::sanitizeValueForTextField(this, proposedValue);
+
+ // If the proposedValue is null than this is a reset scenario and we
+ // want the range input's value attribute to take priority over the
+ // calculated default (middle) value.
+ if (inputType() == RANGE && !proposedValue.isNull())
+ return serializeForNumberType(StepRange(this).clampValue(proposedValue));
+
+ return proposedValue;
+}
+
+bool HTMLInputElement::needsActivationCallback()
+{
+ return inputType() == PASSWORD || m_autocomplete == Off;
+}
+
+void HTMLInputElement::registerForActivationCallbackIfNeeded()
+{
+ if (needsActivationCallback())
+ document()->registerForDocumentActivationCallbacks(this);
+}
+
+void HTMLInputElement::unregisterForActivationCallbackIfNeeded()
+{
+ if (!needsActivationCallback())
+ document()->unregisterForDocumentActivationCallbacks(this);
+}
+
+bool HTMLInputElement::isRequiredFormControl() const
+{
+ if (!required())
+ return false;
+
+ switch (inputType()) {
+ case CHECKBOX:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case FILE:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case RADIO:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ return true;
+ case BUTTON:
+ case COLOR:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case RANGE:
+ case RESET:
+ case SUBMIT:
+ return false;
+ }
+
+ ASSERT_NOT_REACHED();
+ return false;
+}
+
+void HTMLInputElement::cacheSelection(int start, int end)
+{
+ m_data.setCachedSelectionStart(start);
+ m_data.setCachedSelectionEnd(end);
+}
+
+void HTMLInputElement::addSearchResult()
+{
+ ASSERT(isSearchField());
+ if (renderer())
+ toRenderTextControlSingleLine(renderer())->addSearchResult();
+}
+
+void HTMLInputElement::onSearch()
+{
+ ASSERT(isSearchField());
+ if (renderer())
+ toRenderTextControlSingleLine(renderer())->stopSearchEventTimer();
+ dispatchEvent(Event::create(eventNames().searchEvent, true, false));
+}
+
+void HTMLInputElement::documentDidBecomeActive()
+{
+ ASSERT(needsActivationCallback());
+ reset();
+}
+
+void HTMLInputElement::willMoveToNewOwnerDocument()
+{
+ if (m_imageLoader)
+ m_imageLoader->elementWillMoveToNewOwnerDocument();
+
+ // Always unregister for cache callbacks when leaving a document, even if we would otherwise like to be registered
+ if (needsActivationCallback())
+ document()->unregisterForDocumentActivationCallbacks(this);
+
+ document()->checkedRadioButtons().removeButton(this);
+
+ HTMLFormControlElementWithState::willMoveToNewOwnerDocument();
+}
+
+void HTMLInputElement::didMoveToNewOwnerDocument()
+{
+ registerForActivationCallbackIfNeeded();
+
+ HTMLFormControlElementWithState::didMoveToNewOwnerDocument();
+}
+
+void HTMLInputElement::addSubresourceAttributeURLs(ListHashSet& urls) const
+{
+ HTMLFormControlElementWithState::addSubresourceAttributeURLs(urls);
+
+ addSubresourceURL(urls, src());
+}
+
+bool HTMLInputElement::recalcWillValidate() const
+{
+ switch (inputType()) {
+ case CHECKBOX:
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case FILE:
+ case ISINDEX:
+ case MONTH:
+ case NUMBER:
+ case PASSWORD:
+ case RADIO:
+ case RANGE:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK:
+ return HTMLFormControlElementWithState::recalcWillValidate();
+ case BUTTON:
+ case HIDDEN:
+ case IMAGE:
+ case RESET:
+ case SUBMIT:
+ return false;
+ }
+ ASSERT_NOT_REACHED();
+ return false;
+}
+
+bool HTMLInputElement::parseToDateComponents(InputType type, const String& formString, DateComponents* out)
+{
+ if (formString.isEmpty())
+ return false;
+ DateComponents ignoredResult;
+ if (!out)
+ out = &ignoredResult;
+ const UChar* characters = formString.characters();
+ unsigned length = formString.length();
+ unsigned end;
+
+ switch (type) {
+ case DATE:
+ return out->parseDate(characters, length, 0, end) && end == length;
+ case DATETIME:
+ return out->parseDateTime(characters, length, 0, end) && end == length;
+ case DATETIMELOCAL:
+ return out->parseDateTimeLocal(characters, length, 0, end) && end == length;
+ case MONTH:
+ return out->parseMonth(characters, length, 0, end) && end == length;
+ case WEEK:
+ return out->parseWeek(characters, length, 0, end) && end == length;
+ case TIME:
+ return out->parseTime(characters, length, 0, end) && end == length;
+ default:
+ ASSERT_NOT_REACHED();
+ return false;
+ }
+}
+
+#if ENABLE(DATALIST)
+
+HTMLElement* HTMLInputElement::list() const
+{
+ return dataList();
+}
+
+HTMLDataListElement* HTMLInputElement::dataList() const
+{
+ if (!m_hasNonEmptyList)
+ return 0;
+
+ switch (inputType()) {
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case MONTH:
+ case NUMBER:
+ case RANGE:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ case TIME:
+ case URL:
+ case WEEK: {
+ Element* element = document()->getElementById(getAttribute(listAttr));
+ if (element && element->hasTagName(datalistTag))
+ return static_cast(element);
+ break;
+ }
+ case BUTTON:
+ case CHECKBOX:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case PASSWORD:
+ case RADIO:
+ case RESET:
+ case SUBMIT:
+ break;
+ }
+ return 0;
+}
+
+HTMLOptionElement* HTMLInputElement::selectedOption() const
+{
+ String currentValue = value();
+ // The empty value never matches to a datalist option because it
+ // doesn't represent a suggestion according to the standard.
+ if (currentValue.isEmpty())
+ return 0;
+
+ HTMLDataListElement* sourceElement = dataList();
+ if (!sourceElement)
+ return 0;
+ RefPtr options = sourceElement->options();
+ for (unsigned i = 0; options && i < options->length(); ++i) {
+ HTMLOptionElement* option = static_cast(options->item(i));
+ if (!option->disabled() && currentValue == option->value())
+ return option;
+ }
+ return 0;
+}
+
+#endif // ENABLE(DATALIST)
+
+void HTMLInputElement::stepUpFromRenderer(int n)
+{
+ // The difference from stepUp()/stepDown() is:
+ // If the current value is invalid, the value will be
+ // - the minimum value if n > 0
+ // - the maximum value if n < 0
+
+ ASSERT(hasSpinButton());
+ if (!hasSpinButton())
+ return;
+ ASSERT(n);
+ if (!n)
+ return;
+
+ const double nan = numeric_limits::quiet_NaN();
+ double current = parseToDouble(value(), nan);
+ if (!isfinite(current)) {
+ setValue(serialize(n > 0 ? minimum() : maximum()));
+ return;
+ }
+ ExceptionCode ec;
+ stepUp(n, ec);
+}
+
+#if ENABLE(WCSS)
+void HTMLInputElement::setWapInputFormat(String& mask)
+{
+ String validateMask = validateInputMask(m_data, mask);
+ if (!validateMask.isEmpty())
+ m_data.setInputFormatMask(validateMask);
+}
+#endif
+
+#if ENABLE(INPUT_SPEECH)
+bool HTMLInputElement::isSpeechEnabled() const
+{
+ switch (inputType()) {
+ // FIXME: Add support for RANGE, EMAIL, URL, COLOR and DATE/TIME input types.
+ case NUMBER:
+ case PASSWORD:
+ case SEARCH:
+ case TELEPHONE:
+ case TEXT:
+ return hasAttribute(speechAttr);
+ case BUTTON:
+ case CHECKBOX:
+ case COLOR:
+ case DATE:
+ case DATETIME:
+ case DATETIMELOCAL:
+ case EMAIL:
+ case FILE:
+ case HIDDEN:
+ case IMAGE:
+ case ISINDEX:
+ case MONTH:
+ case RADIO:
+ case RANGE:
+ case RESET:
+ case SUBMIT:
+ case TIME:
+ case URL:
+ case WEEK:
+ return false;
+ }
+ return false;
+}
+#endif
+
+} // namespace