| /* |
| * 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 Apple Inc. All rights reserved. |
| * (C) 2006 Alexey Proskuryakov (ap@nypop.com) |
| * Copyright (C) 2007 Samuel Weinig (sam@webkit.org) |
| * |
| * 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 "BeforeTextInsertedEvent.h" |
| #include "CSSPropertyNames.h" |
| #include "Document.h" |
| #include "Editor.h" |
| #include "Event.h" |
| #include "EventHandler.h" |
| #include "EventNames.h" |
| #include "FocusController.h" |
| #include "FormDataList.h" |
| #include "Frame.h" |
| #include "HTMLFormElement.h" |
| #include "HTMLImageLoader.h" |
| #include "HTMLNames.h" |
| #include "KeyboardEvent.h" |
| #include "LocalizedStrings.h" |
| #include "MouseEvent.h" |
| #include "Page.h" |
| #include "RenderButton.h" |
| #include "RenderFileUploadControl.h" |
| #include "RenderImage.h" |
| #include "RenderText.h" |
| #include "RenderTextControl.h" |
| #include "RenderTheme.h" |
| #include "RenderSlider.h" |
| #include "SelectionController.h" |
| #include "TextBreakIterator.h" |
| #include "TextEvent.h" |
| #include "TextIterator.h" |
| |
| using namespace std; |
| |
| namespace WebCore { |
| |
| using namespace EventNames; |
| using namespace HTMLNames; |
| |
| const int maxSavedResults = 256; |
| |
| // FIXME: According to HTML4, the length attribute's value can be arbitrarily |
| // large. However, due to http://bugs.webkit.org/show_bugs.cgi?id=14536 things |
| // get rather sluggish when a text field has a larger number of characters than |
| // this, even when just clicking in the text field. |
| static const int cMaxLen = 524288; |
| |
| static int numGraphemeClusters(StringImpl* s) |
| { |
| if (!s) |
| return 0; |
| |
| TextBreakIterator* it = characterBreakIterator(s->characters(), s->length()); |
| if (!it) |
| return 0; |
| int num = 0; |
| while (textBreakNext(it) != TextBreakDone) |
| ++num; |
| return num; |
| } |
| |
| static int numCharactersInGraphemeClusters(StringImpl* s, int numGraphemeClusters) |
| { |
| if (!s) |
| return 0; |
| |
| TextBreakIterator* it = characterBreakIterator(s->characters(), s->length()); |
| if (!it) |
| return 0; |
| for (int i = 0; i < numGraphemeClusters; ++i) |
| if (textBreakNext(it) == TextBreakDone) |
| return s->length(); |
| return textBreakCurrent(it); |
| } |
| |
| HTMLInputElement::HTMLInputElement(Document* doc, HTMLFormElement* f) |
| : HTMLFormControlElementWithState(inputTag, doc, f) |
| { |
| init(); |
| } |
| |
| HTMLInputElement::HTMLInputElement(const QualifiedName& tagName, Document* doc, HTMLFormElement* f) |
| : HTMLFormControlElementWithState(tagName, doc, f) |
| { |
| init(); |
| } |
| |
| void HTMLInputElement::init() |
| { |
| m_type = TEXT; |
| m_maxLen = cMaxLen; |
| m_size = 20; |
| m_checked = false; |
| m_defaultChecked = false; |
| m_useDefaultChecked = true; |
| m_indeterminate = false; |
| |
| m_haveType = false; |
| m_activeSubmit = false; |
| m_autocomplete = Uninitialized; |
| m_inited = false; |
| m_autofilled = false; |
| |
| xPos = 0; |
| yPos = 0; |
| |
| cachedSelStart = -1; |
| cachedSelEnd = -1; |
| |
| m_maxResults = -1; |
| } |
| |
| HTMLInputElement::~HTMLInputElement() |
| { |
| if (needsCacheCallback()) |
| document()->unregisterForCacheCallbacks(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::name() const |
| { |
| return m_name.isNull() ? emptyAtom : m_name; |
| } |
| |
| bool HTMLInputElement::autoComplete() const |
| { |
| if (m_autocomplete != Uninitialized) |
| return m_autocomplete == On; |
| |
| // Assuming we're still in a Form, respect the Form's setting |
| if (HTMLFormElement* form = this->form()) |
| return form->autoComplete(); |
| |
| // The default is true |
| return true; |
| } |
| |
| |
| static inline HTMLFormElement::CheckedRadioButtons& checkedRadioButtons(const HTMLInputElement *element) |
| { |
| if (HTMLFormElement* form = element->form()) |
| return form->checkedRadioButtons(); |
| |
| return element->document()->checkedRadioButtons(); |
| } |
| |
| 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) { |
| // 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* currentFocusedNode = document()->focusedNode(); |
| if (currentFocusedNode && currentFocusedNode->hasTagName(inputTag)) { |
| HTMLInputElement* focusedInput = static_cast<HTMLInputElement*>(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()) { |
| if (!restorePreviousSelection || cachedSelStart == -1) |
| select(); |
| else |
| // Restore the cached selection. |
| setSelectionRange(cachedSelStart, cachedSelEnd); |
| |
| if (document() && document()->frame()) |
| document()->frame()->revealSelection(); |
| } else |
| HTMLFormControlElementWithState::updateFocusAppearance(restorePreviousSelection); |
| } |
| |
| void HTMLInputElement::aboutToUnload() |
| { |
| if (isTextField() && focused() && document()->frame()) |
| document()->frame()->textFieldDidEndEditing(this); |
| } |
| |
| bool HTMLInputElement::shouldUseInputMethod() const |
| { |
| return m_type == TEXT || m_type == SEARCH || m_type == ISINDEX; |
| } |
| |
| void HTMLInputElement::dispatchFocusEvent() |
| { |
| if (isTextField()) { |
| setAutofilled(false); |
| if (inputType() == PASSWORD && document()->frame()) |
| document()->setUseSecureKeyboardEntryWhenActive(true); |
| } |
| HTMLFormControlElementWithState::dispatchFocusEvent(); |
| } |
| |
| void HTMLInputElement::dispatchBlurEvent() |
| { |
| if (isTextField() && document()->frame()) { |
| if (inputType() == PASSWORD) |
| document()->setUseSecureKeyboardEntryWhenActive(false); |
| document()->frame()->textFieldDidEndEditing(this); |
| } |
| HTMLFormControlElementWithState::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 { |
| checkedRadioButtons(this).removeButton(this); |
| |
| bool wasAttached = m_attached; |
| if (wasAttached) |
| detach(); |
| |
| bool didStoreValue = storesValueSeparateFromAttribute(); |
| bool wasPasswordField = inputType() == PASSWORD; |
| bool didRespectHeightAndWidth = respectHeightAndWidthAttrs(); |
| m_type = newType; |
| bool willStoreValue = storesValueSeparateFromAttribute(); |
| bool isPasswordField = inputType() == PASSWORD; |
| bool willRespectHeightAndWidth = respectHeightAndWidthAttrs(); |
| |
| if (didStoreValue && !willStoreValue && !m_value.isNull()) { |
| setAttribute(valueAttr, m_value); |
| m_value = String(); |
| } |
| if (!didStoreValue && willStoreValue) |
| m_value = constrainValue(getAttribute(valueAttr)); |
| else |
| recheckValue(); |
| |
| if (wasPasswordField && !isPasswordField) |
| unregisterForCacheCallbackIfNeeded(); |
| else if (!wasPasswordField && isPasswordField) |
| registerForCacheCallbackIfNeeded(); |
| |
| if (didRespectHeightAndWidth != willRespectHeightAndWidth) { |
| NamedMappedAttrMap* map = mappedAttributes(); |
| if (MappedAttribute* height = map->getAttributeItem(heightAttr)) |
| attributeChanged(height, false); |
| if (MappedAttribute* width = map->getAttributeItem(widthAttr)) |
| attributeChanged(width, false); |
| if (MappedAttribute* align = map->getAttributeItem(alignAttr)) |
| attributeChanged(align, false); |
| } |
| |
| if (wasAttached) |
| attach(); |
| |
| checkedRadioButtons(this).addButton(this); |
| } |
| } |
| m_haveType = true; |
| |
| if (inputType() != IMAGE && m_imageLoader) |
| m_imageLoader.clear(); |
| } |
| |
| 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; |
| } |
| |
| bool HTMLInputElement::saveState(String& result) const |
| { |
| if (!autoComplete()) |
| return false; |
| |
| switch (inputType()) { |
| case BUTTON: |
| case FILE: |
| case HIDDEN: |
| case IMAGE: |
| case ISINDEX: |
| case RANGE: |
| case RESET: |
| case SEARCH: |
| case SUBMIT: |
| case TEXT: |
| result = value(); |
| return true; |
| case CHECKBOX: |
| case RADIO: |
| result = checked() ? "on" : "off"; |
| return true; |
| case PASSWORD: |
| return false; |
| } |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| 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::canStartSelection() const |
| { |
| if (!isTextField()) |
| return false; |
| return HTMLFormControlElementWithState::canStartSelection(); |
| } |
| |
| bool HTMLInputElement::canHaveSelection() const |
| { |
| return isTextField(); |
| } |
| |
| int HTMLInputElement::selectionStart() const |
| { |
| if (!isTextField()) |
| return 0; |
| if (document()->focusedNode() != this && cachedSelStart != -1) |
| return cachedSelStart; |
| if (!renderer()) |
| return 0; |
| return static_cast<RenderTextControl*>(renderer())->selectionStart(); |
| } |
| |
| int HTMLInputElement::selectionEnd() const |
| { |
| if (!isTextField()) |
| return 0; |
| if (document()->focusedNode() != this && cachedSelEnd != -1) |
| return cachedSelEnd; |
| if (!renderer()) |
| return 0; |
| return static_cast<RenderTextControl*>(renderer())->selectionEnd(); |
| } |
| |
| void HTMLInputElement::setSelectionStart(int start) |
| { |
| if (!isTextField()) |
| return; |
| if (!renderer()) |
| return; |
| static_cast<RenderTextControl*>(renderer())->setSelectionStart(start); |
| } |
| |
| void HTMLInputElement::setSelectionEnd(int end) |
| { |
| if (!isTextField()) |
| return; |
| if (!renderer()) |
| return; |
| static_cast<RenderTextControl*>(renderer())->setSelectionEnd(end); |
| } |
| |
| void HTMLInputElement::select() |
| { |
| if (!isTextField()) |
| return; |
| if (!renderer()) |
| return; |
| static_cast<RenderTextControl*>(renderer())->select(); |
| } |
| |
| void HTMLInputElement::setSelectionRange(int start, int end) |
| { |
| if (!isTextField()) |
| return; |
| if (!renderer()) |
| return; |
| static_cast<RenderTextControl*>(renderer())->setSelectionRange(start, end); |
| } |
| |
| 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 ISINDEX: |
| case PASSWORD: |
| case SEARCH: |
| case TEXT: |
| // 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 <img> since the alignment behavior is the same. |
| result = eReplaced; |
| return false; |
| } |
| } |
| |
| return HTMLElement::mapToEntry(attrName, result); |
| } |
| |
| void HTMLInputElement::parseMappedAttribute(MappedAttribute *attr) |
| { |
| if (attr->name() == nameAttr) { |
| checkedRadioButtons(this).removeButton(this); |
| m_name = attr->value(); |
| checkedRadioButtons(this).addButton(this); |
| } else if (attr->name() == autocompleteAttr) { |
| if (equalIgnoringCase(attr->value(), "off")) { |
| m_autocomplete = Off; |
| registerForCacheCallbackIfNeeded(); |
| } else { |
| if (m_autocomplete == Off) |
| unregisterForCacheCallbackIfNeeded(); |
| if (attr->isEmpty()) |
| m_autocomplete = Uninitialized; |
| else |
| m_autocomplete = On; |
| } |
| } 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(); |
| setValueMatchesRenderer(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() : cMaxLen; |
| if (m_maxLen <= 0 || m_maxLen > cMaxLen) |
| m_maxLen = cMaxLen; |
| 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.set(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) { |
| if (inputType() == IMAGE) |
| addHTMLAlignment(attr); |
| } else if (attr->name() == widthAttr) { |
| if (respectHeightAndWidthAttrs()) |
| addCSSLength(attr, CSS_PROP_WIDTH, attr->value()); |
| } else if (attr->name() == heightAttr) { |
| if (respectHeightAndWidthAttrs()) |
| 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) { |
| int oldResults = m_maxResults; |
| m_maxResults = !attr->isNull() ? 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(); |
| } |
| setChanged(); |
| } else if (attr->name() == autosaveAttr || |
| attr->name() == incrementalAttr || |
| attr->name() == placeholderAttr || |
| attr->name() == minAttr || |
| attr->name() == maxAttr || |
| attr->name() == precisionAttr) { |
| setChanged(); |
| } else |
| HTMLFormControlElementWithState::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 HTMLFormControlElementWithState::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) RenderFileUploadControl(this); |
| case HIDDEN: |
| break; |
| case IMAGE: |
| return new (arena) RenderImage(this); |
| case RANGE: |
| return new (arena) RenderSlider(this); |
| case ISINDEX: |
| case PASSWORD: |
| case SEARCH: |
| case TEXT: |
| return new (arena) RenderTextControl(this, false); |
| } |
| 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()) { |
| RenderImage* imageObj = static_cast<RenderImage*>(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(); |
| } |
| } |
| } |
| |
| void HTMLInputElement::detach() |
| { |
| HTMLFormControlElementWithState::detach(); |
| setValueMatchesRenderer(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"), xPos); |
| encoding.appendData(name().isEmpty() ? "y" : (name() + ".y"), yPos); |
| if (!name().isEmpty() && !value().isEmpty()) |
| encoding.appendData(name(), value()); |
| return true; |
| } |
| break; |
| |
| case SUBMIT: |
| if (m_activeSubmit) { |
| String enc_str = valueWithDefault(); |
| encoding.appendData(name(), enc_str); |
| return true; |
| } |
| break; |
| |
| case FILE: |
| // Can't submit file on GET. |
| if (!multipart) |
| 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(), String("")); |
| 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, bool sendChangeEvent) |
| { |
| if (checked() == nowChecked) |
| return; |
| |
| checkedRadioButtons(this).removeButton(this); |
| |
| m_useDefaultChecked = false; |
| m_checked = nowChecked; |
| setChanged(); |
| |
| checkedRadioButtons(this).addButton(this); |
| |
| 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 (sendChangeEvent && 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; |
| |
| HTMLFormControlElementWithState::copyNonAttributeProperties(source); |
| } |
| |
| 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) |
| { |
| // For security reasons, we don't allow setting the filename, but we do allow clearing it. |
| if (inputType() == FILE && !value.isEmpty()) |
| return; |
| |
| setValueMatchesRenderer(false); |
| if (storesValueSeparateFromAttribute()) { |
| m_value = constrainValue(value); |
| if (isTextField() && inDocument()) |
| document()->updateRendering(); |
| if (renderer()) |
| renderer()->updateFromElement(); |
| setChanged(); |
| } else |
| setAttribute(valueAttr, constrainValue(value)); |
| |
| if (isTextField()) { |
| unsigned max = m_value.length(); |
| if (document()->focusedNode() == this) |
| setSelectionRange(max, max); |
| else { |
| cachedSelStart = max; |
| cachedSelEnd = max; |
| } |
| } |
| } |
| |
| void HTMLInputElement::setValueFromRenderer(const String& value) |
| { |
| // Renderer and our event handler are responsible for constraining values. |
| ASSERT(value == constrainValue(value) || constrainValue(value).isEmpty()); |
| |
| // Workaround for bug where trailing \n is included in the result of textContent. |
| // The assert macro above may also be simplified to: value == constrainValue(value) |
| // http://bugs.webkit.org/show_bug.cgi?id=9661 |
| if (value == "\n") |
| m_value = ""; |
| else |
| m_value = value; |
| |
| setValueMatchesRenderer(); |
| |
| // Fire the "input" DOM event. |
| dispatchHTMLEvent(inputEvent, true, false); |
| } |
| |
| bool HTMLInputElement::storesValueSeparateFromAttribute() const |
| { |
| switch (inputType()) { |
| case BUTTON: |
| case CHECKBOX: |
| case HIDDEN: |
| case IMAGE: |
| case RADIO: |
| case RESET: |
| case SUBMIT: |
| return false; |
| case FILE: |
| case ISINDEX: |
| case PASSWORD: |
| case RANGE: |
| 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() == LeftButton) { |
| 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(), true); |
| } |
| } else { |
| // For radio buttons, store the current selected radio object. |
| if (name().isEmpty() || checked()) |
| return 0; // Match WinIE and don't allow unnamed radio buttons to be 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 = 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. |
| currRadio->ref(); |
| result = currRadio; |
| } |
| setChecked(true, 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() == LeftButton) { |
| 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. |
| |
| // Match WinIE and don't allow unnamed radio buttons to be checked. |
| if (input->form() == form() && input->inputType() == RADIO && !name().isEmpty() && 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(); |
| } |
| |
| // Left clicks on radio buttons and check boxes already performed default actions in preDispatchEventHandler(). |
| evt->setDefaultHandled(); |
| } |
| } |
| |
| void HTMLInputElement::defaultEventHandler(Event* evt) |
| { |
| bool clickDefaultFormButton = false; |
| |
| if (isTextField() && evt->type() == textInputEvent && evt->isTextEvent() && static_cast<TextEvent*>(evt)->data() == "\n") |
| clickDefaultFormButton = true; |
| |
| 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->pageX() - offsetX; |
| // FIXME: Why is yPos a short? |
| yPos = me->pageY() - offsetY; |
| } |
| } |
| |
| if (isTextField() && evt->type() == keydownEvent && evt->isKeyboardEvent() && focused() && document()->frame() |
| && document()->frame()->doTextFieldCommandFromEvent(this, static_cast<KeyboardEvent*>(evt))) { |
| evt->setDefaultHandled(); |
| return; |
| } |
| |
| if (inputType() == RADIO && evt->isMouseEvent() |
| && evt->type() == clickEvent && static_cast<MouseEvent*>(evt)->button() == LeftButton) { |
| evt->setDefaultHandled(); |
| return; |
| } |
| |
| // Let the key handling done in EventTargetNode take precedence over the event handling here for editable text fields |
| if (!clickDefaultFormButton) { |
| 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() == 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 xPos and 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 xPos and yPos altogether! |
| if (!form()->prepareSubmit(evt)) { |
| xPos = 0; |
| yPos = 0; |
| } |
| m_activeSubmit = false; |
| } |
| } else if (inputType() == FILE && renderer()) |
| static_cast<RenderFileUploadControl*>(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() == keypressEvent && evt->isKeyboardEvent()) { |
| bool clickElement = false; |
| |
| int charCode = static_cast<KeyboardEvent*>(evt)->charCode(); |
| |
| if (charCode == '\r') { |
| switch (inputType()) { |
| 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 BUTTON: |
| 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. |
| } |
| } 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() == keydownEvent && evt->isKeyboardEvent()) { |
| String key = static_cast<KeyboardEvent*>(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() - IE dispatches a keypress in this case. |
| 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<HTMLInputElement*>(n); |
| if (elt->form() != form()) |
| break; |
| if (n->hasTagName(inputTag)) { |
| // Match WinIE and don't allow unnamed radio buttons to be checked. |
| HTMLInputElement* inputElt = static_cast<HTMLInputElement*>(n); |
| if (inputElt->inputType() == RADIO && !name().isEmpty() && inputElt->name() == name() && inputElt->isFocusable()) { |
| inputElt->setChecked(true); |
| document()->setFocusedNode(inputElt); |
| inputElt->dispatchSimulatedClick(evt, false, false); |
| evt->setDefaultHandled(); |
| break; |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| if (evt->type() == keyupEvent && evt->isKeyboardEvent()) { |
| bool clickElement = false; |
| |
| String key = static_cast<KeyboardEvent*>(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 HIDDEN: |
| case ISINDEX: |
| case PASSWORD: |
| case RANGE: |
| case SEARCH: |
| case TEXT: |
| break; |
| } |
| } |
| |
| if (clickElement) { |
| if (active()) |
| dispatchSimulatedClick(evt); |
| evt->setDefaultHandled(); |
| return; |
| } |
| } |
| |
| if (clickDefaultFormButton) { |
| if (isSearchField()) { |
| addSearchResult(); |
| onSearch(); |
| } |
| // Fire onChange for text fields. |
| RenderObject* r = renderer(); |
| if (r && r->isTextField() && r->isEdited()) { |
| onChange(); |
| // Refetch the renderer since arbitrary JS code run during onchange can do anything, including destroying it. |
| r = renderer(); |
| if (r) |
| r->setEdited(false); |
| } |
| // Form may never have been present, or may have been destroyed by the change event. |
| if (form()) |
| form()->submitClick(evt); |
| evt->setDefaultHandled(); |
| return; |
| } |
| |
| 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(plainText(document()->frame()->selectionController()->selection().toRange().get()).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 (isTextField() && renderer() && (evt->isMouseEvent() || evt->isDragEvent() || evt->isWheelEvent() || evt->type() == blurEvent || evt->type() == focusEvent)) |
| static_cast<RenderTextControl*>(renderer())->forwardEvent(evt); |
| |
| if (inputType() == RANGE && renderer()) { |
| RenderSlider* slider = static_cast<RenderSlider*>(renderer()); |
| if (evt->isMouseEvent() && evt->type() == mousedownEvent && static_cast<MouseEvent*>(evt)->button() == LeftButton) { |
| MouseEvent* mEvt = static_cast<MouseEvent*>(evt); |
| if (!slider->mouseEventIsInThumb(mEvt)) { |
| IntPoint eventOffset(mEvt->offsetX(), mEvt->offsetY()); |
| if (mEvt->target() != this) { |
| IntRect rect = renderer()->absoluteBoundingBoxRect(); |
| eventOffset.setX(mEvt->pageX() - rect.x()); |
| eventOffset.setY(mEvt->pageY() - rect.y()); |
| } |
| slider->setValueForPosition(slider->positionForOffset(eventOffset)); |
| } |
| } |
| if (evt->isMouseEvent() || evt->isDragEvent() || evt->isWheelEvent()) |
| slider->forwardEvent(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); |
| } |
| |
| bool HTMLInputElement::needsCacheCallback() |
| { |
| return inputType() == PASSWORD || m_autocomplete == Off; |
| } |
| |
| void HTMLInputElement::registerForCacheCallbackIfNeeded() |
| { |
| if (needsCacheCallback()) |
| document()->registerForCacheCallbacks(this); |
| } |
| |
| void HTMLInputElement::unregisterForCacheCallbackIfNeeded() |
| { |
| if (!needsCacheCallback()) |
| document()->unregisterForCacheCallbacks(this); |
| } |
| |
| 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) { |
| const UChar current = (*s)[i]; |
| if (current < ' ' && current != '\t') { |
| newLen = i; |
| break; |
| } |
| } |
| if (newLen < static_cast<int>(proposedValue.length())) |
| return proposedValue.substring(0, newLen); |
| } |
| return proposedValue; |
| } |
| |
| void HTMLInputElement::addSearchResult() |
| { |
| ASSERT(isSearchField()); |
| if (renderer()) |
| static_cast<RenderTextControl*>(renderer())->addSearchResult(); |
| } |
| |
| void HTMLInputElement::onSearch() |
| { |
| ASSERT(isSearchField()); |
| if (renderer()) |
| static_cast<RenderTextControl*>(renderer())->stopSearchEventTimer(); |
| dispatchHTMLEvent(searchEvent, true, false); |
| } |
| |
| Selection HTMLInputElement::selection() const |
| { |
| if (!renderer() || !isTextField() || cachedSelStart == -1 || cachedSelEnd == -1) |
| return Selection(); |
| return static_cast<RenderTextControl*>(renderer())->selection(cachedSelStart, cachedSelEnd); |
| } |
| |
| void HTMLInputElement::didRestoreFromCache() |
| { |
| ASSERT(needsCacheCallback()); |
| reset(); |
| } |
| |
| void HTMLInputElement::willMoveToNewOwnerDocument() |
| { |
| // Always unregister for cache callbacks when leaving a document, even if we would otherwise like to be registered |
| if (needsCacheCallback()) |
| document()->unregisterForCacheCallbacks(this); |
| |
| document()->checkedRadioButtons().removeButton(this); |
| |
| HTMLFormControlElementWithState::willMoveToNewOwnerDocument(); |
| } |
| |
| void HTMLInputElement::didMoveToNewOwnerDocument() |
| { |
| registerForCacheCallbackIfNeeded(); |
| |
| HTMLFormControlElementWithState::didMoveToNewOwnerDocument(); |
| } |
| |
| } // namespace |
