| /* |
| * This file is part of the DOM implementation for KDE. |
| * |
| * 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 Apple Computer, Inc. |
| * (C) 2006 Alexey Proskuryakov (ap@nypop.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., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "HTMLInputElement.h" |
| |
| #include "BeforeTextInsertedEvent.h" |
| #include "CSSPropertyNames.h" |
| #include "Document.h" |
| #include "EventNames.h" |
| #include "FormDataList.h" |
| #include "Frame.h" |
| #include "HTMLFormElement.h" |
| #include "HTMLImageLoader.h" |
| #include "HTMLNames.h" |
| #include "LocalizedStrings.h" |
| #include "RenderFileButton.h" |
| #include "RenderImageButton.h" |
| #include "RenderLineEdit.h" |
| #include "RenderText.h" |
| #include "RenderTextField.h" |
| #include "RenderTheme.h" |
| #include "RenderSlider.h" |
| #include "SelectionController.h" |
| #include "RenderButton.h" |
| #include <unicode/ubrk.h> |
| |
| using namespace std; |
| |
| namespace WebCore { |
| |
| using namespace EventNames; |
| using namespace HTMLNames; |
| |
| static int numGraphemeClusters(const StringImpl* s) |
| { |
| UBreakIterator* it = characterBreakIterator(s); |
| if (!it) |
| return 0; |
| int num = 0; |
| while (ubrk_next(it) != UBRK_DONE) |
| ++num; |
| return num; |
| } |
| |
| static int numCharactersInGraphemeClusters(const StringImpl* s, int numGraphemeClusters) |
| { |
| UBreakIterator* it = characterBreakIterator(s); |
| if (!it) |
| return 0; |
| for (int i = 0; i < numGraphemeClusters; ++i) |
| if (ubrk_next(it) == UBRK_DONE) |
| return s->length(); |
| return ubrk_current(it); |
| } |
| |
| HTMLInputElement::HTMLInputElement(Document *doc, HTMLFormElement *f) |
| : HTMLGenericFormElement(inputTag, doc, f) |
| { |
| init(); |
| } |
| |
| HTMLInputElement::HTMLInputElement(const QualifiedName& tagName, Document *doc, HTMLFormElement *f) |
| : HTMLGenericFormElement(tagName, doc, f) |
| { |
| init(); |
| } |
| |
| void HTMLInputElement::init() |
| { |
| m_imageLoader = 0; |
| m_valueMatchesRenderer = false; |
| m_type = TEXT; |
| m_maxLen = 1024; |
| m_size = 20; |
| m_checked = false; |
| m_defaultChecked = false; |
| m_useDefaultChecked = true; |
| m_indeterminate = false; |
| |
| m_haveType = false; |
| m_activeSubmit = false; |
| m_autocomplete = true; |
| m_inited = false; |
| m_autofilled = false; |
| |
| xPos = 0; |
| yPos = 0; |
| |
| m_maxResults = -1; |
| |
| if (form()) |
| m_autocomplete = form()->autoComplete(); |
| |
| document()->registerFormElementWithState(this); |
| } |
| |
| HTMLInputElement::~HTMLInputElement() |
| { |
| document()->deregisterFormElementWithState(this); |
| delete m_imageLoader; |
| } |
| |
| const AtomicString& HTMLInputElement::name() const |
| { |
| return m_name.isNull() ? emptyAtom : m_name; |
| } |
| |
| bool HTMLInputElement::isKeyboardFocusable() const |
| { |
| // If text fields can be focused, then they should always be keyboardFocusable |
| if (isNonWidgetTextField()) |
| return HTMLGenericFormElement::isFocusable(); |
| |
| // If the base class says we can't be focused, then we can stop now. |
| if (!HTMLGenericFormElement::isKeyboardFocusable()) |
| return false; |
| |
| if (inputType() == RADIO) { |
| // Unnamed radio buttons are never focusable (matches WinIE). |
| if (name().isEmpty()) |
| return false; |
| |
| // Never allow keyboard tabbing to leave you in the same radio group. Always |
| // skip any other elements in the group. |
| Node* currentFocusNode = document()->focusNode(); |
| if (currentFocusNode && currentFocusNode->hasTagName(inputTag)) { |
| HTMLInputElement* focusedInput = static_cast<HTMLInputElement*>(currentFocusNode); |
| 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() || !document()->checkedRadioButtonForGroup(name().impl(), form()); |
| } |
| |
| return true; |
| } |
| |
| bool HTMLInputElement::isMouseFocusable() const |
| { |
| if (isNonWidgetTextField()) |
| return HTMLGenericFormElement::isFocusable(); |
| return HTMLGenericFormElement::isMouseFocusable(); |
| } |
| |
| void HTMLInputElement::focus() |
| { |
| if (isNonWidgetTextField()) { |
| Document* doc = document(); |
| if (doc->focusNode() == this) |
| return; |
| doc->updateLayout(); |
| // FIXME: Should isFocusable do the updateLayout? |
| if (!isFocusable()) |
| return; |
| doc->setFocusNode(this); |
| select(); |
| if (doc->frame()) |
| doc->frame()->revealSelection(); |
| return; |
| } |
| HTMLGenericFormElement::focus(); |
| } |
| |
| void HTMLInputElement::dispatchFocusEvent() |
| { |
| if (isNonWidgetTextField()) |
| setAutofilled(false); |
| HTMLGenericFormElement::dispatchFocusEvent(); |
| } |
| |
| void HTMLInputElement::dispatchBlurEvent() |
| { |
| if (isNonWidgetTextField() && document()->frame()) |
| document()->frame()->textFieldDidEndEditing(static_cast<Element*>(this)); |
| HTMLGenericFormElement::dispatchBlurEvent(); |
| } |
| |
| void HTMLInputElement::setType(const String& t) |
| { |
| if (t.isEmpty()) { |
| int exccode; |
| removeAttribute(typeAttr, exccode); |
| } else |
| setAttribute(typeAttr, t); |
| } |
| |
| void HTMLInputElement::setInputType(const String& t) |
| { |
| InputType newType; |
| |
| if (equalIgnoringCase(t, "password")) |
| newType = PASSWORD; |
| else if (equalIgnoringCase(t, "checkbox")) |
| newType = CHECKBOX; |
| else if (equalIgnoringCase(t, "radio")) |
| newType = RADIO; |
| else if (equalIgnoringCase(t, "submit")) |
| newType = SUBMIT; |
| else if (equalIgnoringCase(t, "reset")) |
| newType = RESET; |
| else if (equalIgnoringCase(t, "file")) |
| newType = FILE; |
| else if (equalIgnoringCase(t, "hidden")) |
| newType = HIDDEN; |
| else if (equalIgnoringCase(t, "image")) |
| newType = IMAGE; |
| else if (equalIgnoringCase(t, "button")) |
| newType = BUTTON; |
| else if (equalIgnoringCase(t, "khtml_isindex")) |
| newType = ISINDEX; |
| else if (equalIgnoringCase(t, "search")) |
| newType = SEARCH; |
| else if (equalIgnoringCase(t, "range")) |
| newType = RANGE; |
| else |
| newType = TEXT; |
| |
| // 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 { |
| if (inputType() == RADIO && !name().isEmpty()) { |
| if (document()->checkedRadioButtonForGroup(name().impl(), form()) == this) |
| document()->removeRadioButtonGroup(name().impl(), form()); |
| } |
| bool wasAttached = m_attached; |
| if (wasAttached) |
| detach(); |
| bool didStoreValue = storesValueSeparateFromAttribute(); |
| bool didMaintainState = inputType() != PASSWORD; |
| m_type = newType; |
| bool willStoreValue = storesValueSeparateFromAttribute(); |
| bool willMaintainState = inputType() != PASSWORD; |
| if (didStoreValue && !willStoreValue && !m_value.isNull()) { |
| setAttribute(valueAttr, m_value); |
| m_value = String(); |
| } |
| if (!didStoreValue && willStoreValue) |
| m_value = constrainValue(getAttribute(valueAttr)); |
| else |
| recheckValue(); |
| if (willMaintainState && !didMaintainState) |
| document()->registerFormElementWithState(this); |
| else if (!willMaintainState && didMaintainState) |
| document()->deregisterFormElementWithState(this); |
| if (wasAttached) |
| attach(); |
| |
| // If our type morphs into a radio button and we are checked, then go ahead |
| // and signal this to the form. |
| if (inputType() == RADIO && checked()) |
| document()->radioButtonChecked(this, form()); |
| } |
| } |
| m_haveType = true; |
| |
| if (inputType() != IMAGE && m_imageLoader) { |
| delete m_imageLoader; |
| m_imageLoader = 0; |
| } |
| } |
| |
| const AtomicString& HTMLInputElement::type() const |
| { |
| // needs to be lowercase according to DOM spec |
| switch (inputType()) { |
| case BUTTON: { |
| static const AtomicString button("button"); |
| return button; |
| } |
| case CHECKBOX: { |
| static const AtomicString checkbox("checkbox"); |
| return checkbox; |
| } |
| case FILE: { |
| static const AtomicString file("file"); |
| return file; |
| } |
| case HIDDEN: { |
| static const AtomicString hidden("hidden"); |
| return hidden; |
| } |
| case IMAGE: { |
| static const AtomicString image("image"); |
| return image; |
| } |
| case ISINDEX: |
| return emptyAtom; |
| case PASSWORD: { |
| static const AtomicString password("password"); |
| return password; |
| } |
| case RADIO: { |
| static const AtomicString radio("radio"); |
| return radio; |
| } |
| case RANGE: { |
| static const AtomicString range("range"); |
| return range; |
| } |
| case RESET: { |
| static const AtomicString reset("reset"); |
| return reset; |
| } |
| case SEARCH: { |
| static const AtomicString search("search"); |
| return search; |
| } |
| case SUBMIT: { |
| static const AtomicString submit("submit"); |
| return submit; |
| } |
| case TEXT: { |
| static const AtomicString text("text"); |
| return text; |
| } |
| } |
| return emptyAtom; |
| } |
| |
| String HTMLInputElement::stateValue() const |
| { |
| ASSERT(inputType() != PASSWORD); // should never save/restore password fields |
| switch (inputType()) { |
| case BUTTON: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case RANGE: |
| case RESET: |
| case SEARCH: |
| case SUBMIT: |
| case TEXT: |
| return value(); |
| case CHECKBOX: |
| case RADIO: |
| return checked() ? "on" : "off"; |
| case PASSWORD: |
| break; |
| } |
| return String(); |
| } |
| |
| void HTMLInputElement::restoreState(const String& state) |
| { |
| ASSERT(inputType() != PASSWORD); // should never save/restore password fields |
| switch (inputType()) { |
| case BUTTON: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case RANGE: |
| case RESET: |
| case SEARCH: |
| case SUBMIT: |
| case TEXT: |
| setValue(state); |
| break; |
| case CHECKBOX: |
| case RADIO: |
| setChecked(state == "on"); |
| break; |
| case PASSWORD: |
| break; |
| } |
| } |
| |
| bool HTMLInputElement::canHaveSelection() const |
| { |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SUBMIT: |
| return false; |
| case PASSWORD: |
| case SEARCH: |
| case TEXT: |
| return true; |
| } |
| return false; |
| } |
| |
| int HTMLInputElement::selectionStart() const |
| { |
| if (!renderer()) |
| return 0; |
| |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SUBMIT: |
| break; |
| case PASSWORD: |
| case SEARCH: |
| return static_cast<RenderLineEdit*>(renderer())->selectionStart(); |
| case TEXT: |
| return static_cast<RenderTextField*>(renderer())->selectionStart(); |
| } |
| return 0; |
| } |
| |
| int HTMLInputElement::selectionEnd() const |
| { |
| if (!renderer()) |
| return 0; |
| |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SUBMIT: |
| break; |
| case PASSWORD: |
| case SEARCH: |
| return static_cast<RenderLineEdit*>(renderer())->selectionEnd(); |
| case TEXT: |
| return static_cast<RenderTextField*>(renderer())->selectionEnd(); |
| } |
| return 0; |
| } |
| |
| void HTMLInputElement::setSelectionStart(int start) |
| { |
| if (!renderer()) |
| return; |
| |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SUBMIT: |
| break; |
| case PASSWORD: |
| case SEARCH: |
| static_cast<RenderLineEdit*>(renderer())->setSelectionStart(start); |
| break; |
| case TEXT: |
| static_cast<RenderTextField*>(renderer())->setSelectionStart(start); |
| break; |
| } |
| } |
| |
| void HTMLInputElement::setSelectionEnd(int end) |
| { |
| if (!renderer()) |
| return; |
| |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SUBMIT: |
| break; |
| case PASSWORD: |
| case SEARCH: |
| static_cast<RenderLineEdit*>(renderer())->setSelectionEnd(end); |
| break; |
| case TEXT: |
| static_cast<RenderTextField*>(renderer())->setSelectionEnd(end); |
| break; |
| } |
| } |
| |
| void HTMLInputElement::select() |
| { |
| if (!renderer()) |
| return; |
| |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SUBMIT: |
| break; |
| case FILE: |
| static_cast<RenderFileButton*>(renderer())->select(); |
| break; |
| case PASSWORD: |
| case SEARCH: |
| static_cast<RenderLineEdit*>(renderer())->select(); |
| break; |
| case TEXT: |
| static_cast<RenderTextField*>(renderer())->select(); |
| break; |
| } |
| } |
| |
| void HTMLInputElement::setSelectionRange(int start, int end) |
| { |
| if (!renderer()) |
| return; |
| |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SUBMIT: |
| break; |
| case PASSWORD: |
| case SEARCH: |
| static_cast<RenderLineEdit*>(renderer())->setSelectionRange(start, end); |
| break; |
| case TEXT: |
| static_cast<RenderTextField*>(renderer())->setSelectionRange(start, end); |
| break; |
| } |
| } |
| |
| void HTMLInputElement::click(bool sendMouseEvents, bool showPressedLook) |
| { |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case IMAGE: |
| case ISINDEX: |
| case PASSWORD: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SEARCH: |
| case SUBMIT: |
| case TEXT: |
| break; |
| case FILE: |
| if (renderer()) { |
| static_cast<RenderFileButton *>(renderer())->click(sendMouseEvents); |
| return; |
| } |
| break; |
| case HIDDEN: |
| // a no-op for this type |
| return; |
| } |
| HTMLGenericFormElement::click(sendMouseEvents, showPressedLook); |
| } |
| |
| void HTMLInputElement::accessKeyAction(bool sendToAnyElement) |
| { |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case FILE: |
| case IMAGE: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SUBMIT: |
| // focus |
| focus(); |
| // send the mouse button events iff the caller specified sendToAnyElement |
| click(sendToAnyElement); |
| break; |
| case HIDDEN: |
| // a no-op for this type |
| break; |
| case ISINDEX: |
| case PASSWORD: |
| case SEARCH: |
| case TEXT: |
| focus(); |
| break; |
| } |
| } |
| |
| bool HTMLInputElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const |
| { |
| if (attrName == widthAttr || |
| attrName == heightAttr || |
| attrName == vspaceAttr || |
| attrName == hspaceAttr) { |
| result = eUniversal; |
| return false; |
| } |
| |
| if (attrName == alignAttr) { |
| result = eReplaced; // Share with <img> since the alignment behavior is the same. |
| return false; |
| } |
| |
| return HTMLElement::mapToEntry(attrName, result); |
| } |
| |
| void HTMLInputElement::parseMappedAttribute(MappedAttribute *attr) |
| { |
| if (attr->name() == nameAttr) { |
| if (inputType() == RADIO && checked()) { |
| // Remove the radio from its old group. |
| if (!m_name.isEmpty()) |
| document()->removeRadioButtonGroup(m_name.impl(), form()); |
| } |
| |
| // Update our cached reference to the name. |
| m_name = attr->value(); |
| |
| if (inputType() == RADIO) { |
| // In case we parsed the checked attribute first, call setChecked if the element is checked by default. |
| if (m_useDefaultChecked) |
| setChecked(m_defaultChecked); |
| // Add the button to its new group. |
| if (checked()) |
| document()->radioButtonChecked(this, form()); |
| } |
| } else if (attr->name() == autocompleteAttr) { |
| m_autocomplete = !equalIgnoringCase(attr->value(), "off"); |
| } 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_value.isNull()) |
| setChanged(); |
| m_valueMatchesRenderer = false; |
| } else if (attr->name() == checkedAttr) { |
| m_defaultChecked = !attr->isNull(); |
| if (m_useDefaultChecked) { |
| setChecked(m_defaultChecked); |
| m_useDefaultChecked = true; |
| } |
| } else if (attr->name() == maxlengthAttr) { |
| int oldMaxLen = m_maxLen; |
| m_maxLen = !attr->isNull() ? attr->value().toInt() : 1024; |
| if (m_maxLen <= 0 || m_maxLen > 1024) |
| m_maxLen = 1024; |
| if (oldMaxLen != m_maxLen) |
| recheckValue(); |
| setChanged(); |
| } else if (attr->name() == sizeAttr) { |
| m_size = !attr->isNull() ? attr->value().toInt() : 20; |
| } else if (attr->name() == altAttr) { |
| if (renderer() && inputType() == IMAGE) |
| static_cast<RenderImage*>(renderer())->updateAltText(); |
| } else if (attr->name() == srcAttr) { |
| if (renderer() && inputType() == IMAGE) { |
| if (!m_imageLoader) |
| m_imageLoader = new HTMLImageLoader(this); |
| m_imageLoader->updateFromElement(); |
| } |
| } else if (attr->name() == usemapAttr || |
| attr->name() == accesskeyAttr) { |
| // FIXME: ignore for the moment |
| } else if (attr->name() == vspaceAttr) { |
| addCSSLength(attr, CSS_PROP_MARGIN_TOP, attr->value()); |
| addCSSLength(attr, CSS_PROP_MARGIN_BOTTOM, attr->value()); |
| } else if (attr->name() == hspaceAttr) { |
| addCSSLength(attr, CSS_PROP_MARGIN_LEFT, attr->value()); |
| addCSSLength(attr, CSS_PROP_MARGIN_RIGHT, attr->value()); |
| } else if (attr->name() == alignAttr) { |
| addHTMLAlignment(attr); |
| } else if (attr->name() == widthAttr) { |
| addCSSLength(attr, CSS_PROP_WIDTH, attr->value()); |
| } else if (attr->name() == heightAttr) { |
| addCSSLength(attr, CSS_PROP_HEIGHT, attr->value()); |
| } else if (attr->name() == onfocusAttr) { |
| setHTMLEventListener(focusEvent, attr); |
| } else if (attr->name() == onblurAttr) { |
| setHTMLEventListener(blurEvent, attr); |
| } else if (attr->name() == onselectAttr) { |
| setHTMLEventListener(selectEvent, attr); |
| } else if (attr->name() == onchangeAttr) { |
| setHTMLEventListener(changeEvent, attr); |
| } else if (attr->name() == oninputAttr) { |
| setHTMLEventListener(inputEvent, attr); |
| } |
| // Search field and slider attributes all just cause updateFromElement to be called through style |
| // recalcing. |
| else if (attr->name() == onsearchAttr) { |
| setHTMLEventListener(searchEvent, attr); |
| } else if (attr->name() == resultsAttr) { |
| m_maxResults = !attr->isNull() ? attr->value().toInt() : -1; |
| setChanged(); |
| } else if (attr->name() == autosaveAttr || |
| attr->name() == incrementalAttr || |
| attr->name() == placeholderAttr || |
| attr->name() == minAttr || |
| attr->name() == maxAttr || |
| attr->name() == precisionAttr) { |
| setChanged(); |
| } else |
| HTMLGenericFormElement::parseMappedAttribute(attr); |
| } |
| |
| bool HTMLInputElement::rendererIsNeeded(RenderStyle *style) |
| { |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case FILE: |
| case IMAGE: |
| case ISINDEX: |
| case PASSWORD: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SEARCH: |
| case SUBMIT: |
| case TEXT: |
| return HTMLGenericFormElement::rendererIsNeeded(style); |
| case HIDDEN: |
| return false; |
| } |
| assert(false); |
| return false; |
| } |
| |
| 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) RenderFileButton(this); |
| case HIDDEN: |
| break; |
| case IMAGE: |
| return new (arena) RenderImageButton(this); |
| case ISINDEX: |
| case PASSWORD: |
| case SEARCH: |
| return new (arena) RenderLineEdit(this); |
| case RANGE: |
| return new (arena) RenderSlider(this); |
| case TEXT: |
| return new (arena) RenderTextField(this); |
| } |
| assert(false); |
| return 0; |
| } |
| |
| void HTMLInputElement::attach() |
| { |
| if (!m_inited) { |
| if (!m_haveType) |
| setInputType(getAttribute(typeAttr)); |
| m_inited = true; |
| } |
| |
| // Disallow the width attribute on inputs other than HIDDEN and IMAGE. |
| // Dumb Web sites will try to set the width as an attribute on form controls that aren't |
| // images or hidden. |
| if (hasMappedAttributes() && inputType() != HIDDEN && inputType() != IMAGE && !getAttribute(widthAttr).isEmpty()) { |
| int excCode; |
| removeAttribute(widthAttr, excCode); |
| } |
| |
| HTMLGenericFormElement::attach(); |
| |
| if (inputType() == IMAGE) { |
| if (!m_imageLoader) |
| m_imageLoader = new HTMLImageLoader(this); |
| m_imageLoader->updateFromElement(); |
| if (renderer()) { |
| RenderImage* imageObj = static_cast<RenderImage*>(renderer()); |
| imageObj->setCachedImage(m_imageLoader->image()); |
| } |
| } |
| |
| // note we don't deal with calling passwordFieldRemoved() on detach, because the timing |
| // was such that it cleared our state too early |
| if (inputType() == PASSWORD) |
| document()->passwordFieldAdded(); |
| } |
| |
| void HTMLInputElement::detach() |
| { |
| HTMLGenericFormElement::detach(); |
| m_valueMatchesRenderer = 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 HIDDEN: |
| case ISINDEX: |
| case PASSWORD: |
| case RANGE: |
| case SEARCH: |
| case TEXT: |
| // 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"), clickX()); |
| encoding.appendData(name().isEmpty() ? "y" : (name() + ".y"), clickY()); |
| if (!name().isEmpty() && !value().isEmpty()) |
| encoding.appendData(name(), value()); |
| return true; |
| } |
| break; |
| |
| case SUBMIT: |
| if (m_activeSubmit) { |
| String enc_str = valueWithDefault(); |
| if (!enc_str.isEmpty()) { |
| encoding.appendData(name(), enc_str); |
| return true; |
| } |
| } |
| break; |
| |
| case FILE: |
| // Can't submit file on GET. |
| // Don't submit if display: none or display: hidden to avoid uploading files quietly. |
| if (!multipart || !renderer() || renderer()->style()->visibility() != VISIBLE) |
| return false; |
| |
| // If no filename at all is entered, return successful but empty. |
| // Null would be more logical, but Netscape posts an empty file. Argh. |
| if (value().isEmpty()) { |
| encoding.appendData(name(), DeprecatedString("")); |
| return true; |
| } |
| |
| encoding.appendFile(name(), value()); |
| return true; |
| } |
| return false; |
| } |
| |
| void HTMLInputElement::reset() |
| { |
| if (storesValueSeparateFromAttribute()) |
| setValue(String()); |
| setChecked(m_defaultChecked); |
| m_useDefaultChecked = true; |
| } |
| |
| void HTMLInputElement::setChecked(bool nowChecked) |
| { |
| // We mimic WinIE and don't allow unnamed radio buttons to be checked. |
| if (checked() == nowChecked || (inputType() == RADIO && name().isEmpty())) |
| return; |
| |
| if (inputType() == RADIO && nowChecked) |
| document()->radioButtonChecked(this, form()); |
| |
| m_useDefaultChecked = false; |
| m_checked = nowChecked; |
| setChanged(); |
| if (renderer() && renderer()->style()->hasAppearance()) |
| theme()->stateChanged(renderer(), CheckedState); |
| |
| // 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 (inDocument() && (inputType() != RADIO || nowChecked)) |
| onChange(); |
| } |
| |
| void HTMLInputElement::setIndeterminate(bool _indeterminate) |
| { |
| // Only checkboxes honor indeterminate. |
| if (inputType() != CHECKBOX || indeterminate() == _indeterminate) |
| return; |
| |
| m_indeterminate = _indeterminate; |
| |
| setChanged(); |
| |
| if (renderer() && renderer()->style()->hasAppearance()) |
| theme()->stateChanged(renderer(), CheckedState); |
| } |
| |
| void HTMLInputElement::copyNonAttributeProperties(const Element *source) |
| { |
| const HTMLInputElement *sourceElem = static_cast<const HTMLInputElement *>(source); |
| |
| m_value = sourceElem->m_value; |
| m_checked = sourceElem->m_checked; |
| m_indeterminate = sourceElem->m_indeterminate; |
| } |
| |
| String HTMLInputElement::value() const |
| { |
| String value = m_value; |
| |
| // It's important *not* to fall back to the value attribute for file inputs, |
| // because that would allow a malicious web page to upload files by setting the |
| // value attribute in markup. |
| if (value.isNull() && inputType() != FILE) |
| value = constrainValue(getAttribute(valueAttr)); |
| |
| // If no attribute exists, then just use "on" or "" based off the checked() state of the control. |
| if (value.isNull() && (inputType() == CHECKBOX || inputType() == RADIO)) |
| return checked() ? "on" : ""; |
| |
| return value; |
| } |
| |
| String HTMLInputElement::valueWithDefault() const |
| { |
| String v = value(); |
| if (v.isNull()) { |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case PASSWORD: |
| case RADIO: |
| case RANGE: |
| case SEARCH: |
| case TEXT: |
| break; |
| case RESET: |
| v = resetButtonDefaultLabel(); |
| break; |
| case SUBMIT: |
| v = submitButtonDefaultLabel(); |
| break; |
| } |
| } |
| return v; |
| } |
| |
| void HTMLInputElement::setValue(const String& value) |
| { |
| if (inputType() == FILE) |
| return; |
| |
| m_valueMatchesRenderer = false; |
| if (storesValueSeparateFromAttribute()) { |
| m_value = constrainValue(value); |
| if (renderer()) |
| renderer()->updateFromElement(); |
| setChanged(); |
| } else |
| setAttribute(valueAttr, constrainValue(value)); |
| } |
| |
| void HTMLInputElement::setValueFromRenderer(const String& value) |
| { |
| // Renderer and our event handler are responsible for constraining values. |
| ASSERT(value == constrainValue(value)); |
| |
| m_value = value; |
| m_valueMatchesRenderer = true; |
| |
| // Fire the "input" DOM event. |
| dispatchHTMLEvent(inputEvent, true, false); |
| } |
| |
| bool HTMLInputElement::storesValueSeparateFromAttribute() const |
| { |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case RADIO: |
| case RANGE: |
| case RESET: |
| case SUBMIT: |
| return false; |
| case ISINDEX: |
| case PASSWORD: |
| case SEARCH: |
| case TEXT: |
| return true; |
| } |
| return false; |
| } |
| |
| 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() == clickEvent && static_cast<MouseEvent*>(evt)->button() == 0) { |
| if (inputType() == CHECKBOX) { |
| // As a way to store the state, we return 0 if we were unchecked, 1 if we were checked, and 2 for |
| // indeterminate. |
| if (indeterminate()) { |
| result = (void*)0x2; |
| setIndeterminate(false); |
| } else { |
| if (checked()) |
| result = (void*)0x1; |
| setChecked(!checked()); |
| } |
| } else { |
| // For radio buttons, store the current selected radio object. |
| if (name().isEmpty() || checked()) |
| return 0; // Unnamed radio buttons dont get checked. Checked buttons just stay checked. |
| // FIXME: Need to learn to work without a form. |
| |
| // 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 = document()->checkedRadioButtonForGroup(name().impl(), form()); |
| 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. |
| currRadio->ref(); |
| result = currRadio; |
| } |
| setChecked(true); |
| } |
| } |
| return result; |
| } |
| |
| void HTMLInputElement::postDispatchEventHandler(Event *evt, void* data) |
| { |
| if ((inputType() == CHECKBOX || inputType() == RADIO) && evt->isMouseEvent() |
| && evt->type() == clickEvent && static_cast<MouseEvent*>(evt)->button() == 0) { |
| if (inputType() == CHECKBOX) { |
| // Reverse the checking we did in preDispatch. |
| if (evt->defaultPrevented() || evt->defaultHandled()) { |
| if (data == (void*)0x2) |
| setIndeterminate(true); |
| else |
| setChecked(data); |
| } |
| } else if (data) { |
| HTMLInputElement* input = static_cast<HTMLInputElement*>(data); |
| 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->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); |
| } |
| } |
| input->deref(); |
| } |
| } |
| } |
| |
| void HTMLInputElement::defaultEventHandler(Event *evt) |
| { |
| if (inputType() == IMAGE && evt->isMouseEvent() && evt->type() == clickEvent) { |
| // record the mouse position for when we get the DOMActivate event |
| MouseEvent *me = static_cast<MouseEvent*>(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()) { |
| xPos = 0; |
| yPos = 0; |
| } else { |
| int offsetX, offsetY; |
| renderer()->absolutePosition(offsetX, offsetY); |
| xPos = me->clientX() - offsetX; |
| yPos = me->clientY() - offsetY; |
| } |
| me->setDefaultHandled(); |
| } |
| |
| // 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. Javacsript code wishing to activate the element |
| // must dispatch a DOMActivate event - a click event will not do the job. |
| if (evt->type() == DOMActivateEvent) { |
| if (inputType() == IMAGE || inputType() == SUBMIT || inputType() == RESET) { |
| if (!form()) |
| return; |
| if (inputType() == RESET) |
| form()->reset(); |
| else { |
| m_activeSubmit = true; |
| if (!form()->prepareSubmit()) { |
| xPos = 0; |
| yPos = 0; |
| } |
| m_activeSubmit = false; |
| } |
| } |
| } |
| |
| // 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() == keypressEvent && evt->isKeyboardEvent()) { |
| bool clickElement = false; |
| bool clickDefaultFormButton = false; |
| |
| if (isNonWidgetTextField() && document()->frame() && document()->frame()->doTextFieldCommandFromEvent(this, static_cast<KeyboardEvent*>(evt)->keyEvent())) { |
| evt->setDefaultHandled(); |
| return; |
| } |
| |
| String key = static_cast<KeyboardEvent *>(evt)->keyIdentifier(); |
| |
| if (key == "U+000020") { |
| 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 HIDDEN: |
| case ISINDEX: |
| case PASSWORD: |
| case RANGE: |
| case SEARCH: |
| case TEXT: |
| break; |
| } |
| } |
| |
| if (key == "Enter") { |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case HIDDEN: |
| case ISINDEX: |
| case PASSWORD: |
| case RANGE: |
| case SEARCH: |
| case TEXT: |
| // Simulate mouse click on the default form button for enter for these types of elements. |
| clickDefaultFormButton = true; |
| break; |
| case FILE: |
| case IMAGE: |
| case RESET: |
| case SUBMIT: |
| // Simulate mouse click for enter for these types of elements. |
| clickElement = true; |
| break; |
| case RADIO: |
| break; // Don't do anything for enter on a radio button. |
| } |
| } |
| |
| 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<HTMLInputElement*>(n); |
| if (elt->form() != form()) |
| break; |
| if (n->hasTagName(inputTag)) { |
| HTMLInputElement* inputElt = static_cast<HTMLInputElement*>(n); |
| if (inputElt->inputType() == RADIO && inputElt->name() == name() && |
| inputElt->isFocusable()) { |
| inputElt->setChecked(true); |
| document()->setFocusNode(inputElt); |
| inputElt->click(false, false); |
| evt->setDefaultHandled(); |
| break; |
| } |
| } |
| } |
| } |
| } |
| |
| if (clickElement) { |
| click(false); |
| evt->setDefaultHandled(); |
| } else if (clickDefaultFormButton && form()) { |
| form()->submitClick(); |
| evt->setDefaultHandled(); |
| } |
| } |
| |
| if (evt->isBeforeTextInsertedEvent()) { |
| // Make sure that the text to be inserted will not violate the maxLength. |
| int oldLen = numGraphemeClusters(value().impl()); |
| ASSERT(oldLen <= maxLength()); |
| int selectionLen = numGraphemeClusters(document()->frame()->selection().toString().impl()); |
| ASSERT(oldLen >= selectionLen); |
| int maxNewLen = maxLength() - (oldLen - selectionLen); |
| |
| // Truncate the inserted text to avoid violating the maxLength and other constraints. |
| BeforeTextInsertedEvent* textEvent = static_cast<BeforeTextInsertedEvent*>(evt); |
| textEvent->setText(constrainValue(textEvent->text(), maxNewLen)); |
| } |
| |
| if (isNonWidgetTextField() && (evt->isMouseEvent() || evt->isDragEvent() || evt->isWheelEvent() || evt->type() == blurEvent) && renderer()) |
| static_cast<RenderTextField*>(renderer())->forwardEvent(evt); |
| |
| HTMLGenericFormElement::defaultEventHandler(evt); |
| } |
| |
| 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::setDefaultChecked(bool defaultChecked) |
| { |
| setAttribute(checkedAttr, defaultChecked ? "" : 0); |
| } |
| |
| String HTMLInputElement::accept() const |
| { |
| return getAttribute(acceptAttr); |
| } |
| |
| void HTMLInputElement::setAccept(const String &value) |
| { |
| setAttribute(acceptAttr, value); |
| } |
| |
| String HTMLInputElement::accessKey() const |
| { |
| return getAttribute(accesskeyAttr); |
| } |
| |
| void HTMLInputElement::setAccessKey(const String &value) |
| { |
| setAttribute(accesskeyAttr, value); |
| } |
| |
| String HTMLInputElement::align() const |
| { |
| return getAttribute(alignAttr); |
| } |
| |
| void HTMLInputElement::setAlign(const String &value) |
| { |
| setAttribute(alignAttr, value); |
| } |
| |
| String HTMLInputElement::alt() const |
| { |
| return getAttribute(altAttr); |
| } |
| |
| void HTMLInputElement::setAlt(const String &value) |
| { |
| setAttribute(altAttr, value); |
| } |
| |
| void HTMLInputElement::setMaxLength(int _maxLength) |
| { |
| setAttribute(maxlengthAttr, String::number(_maxLength)); |
| } |
| |
| void HTMLInputElement::setSize(unsigned _size) |
| { |
| setAttribute(sizeAttr, String::number(_size)); |
| } |
| |
| String HTMLInputElement::src() const |
| { |
| return document()->completeURL(getAttribute(srcAttr)); |
| } |
| |
| void HTMLInputElement::setSrc(const String &value) |
| { |
| setAttribute(srcAttr, value); |
| } |
| |
| String HTMLInputElement::useMap() const |
| { |
| return getAttribute(usemapAttr); |
| } |
| |
| void HTMLInputElement::setUseMap(const String &value) |
| { |
| setAttribute(usemapAttr, value); |
| } |
| |
| String HTMLInputElement::constrainValue(const String& proposedValue) const |
| { |
| return constrainValue(proposedValue, m_maxLen); |
| } |
| |
| void HTMLInputElement::recheckValue() |
| { |
| String oldValue = value(); |
| String newValue = constrainValue(oldValue); |
| if (newValue != oldValue) |
| setValue(newValue); |
| } |
| |
| String HTMLInputElement::constrainValue(const String& proposedValue, int maxLen) const |
| { |
| if (isTextField()) { |
| StringImpl* s = proposedValue.impl(); |
| int newLen = numCharactersInGraphemeClusters(s, maxLen); |
| for (int i = 0; i < newLen; ++i) |
| if ((*s)[i] < ' ') { |
| newLen = i; |
| break; |
| } |
| if (newLen < static_cast<int>(proposedValue.length())) |
| return proposedValue.substring(0, newLen); |
| } |
| return proposedValue; |
| } |
| |
| } // namespace |
