/**
* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
* (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include "RenderTextControlSingleLine.h"
#include "CSSStyleSelector.h"
#include "Event.h"
#include "EventNames.h"
#include "Frame.h"
#include "FrameView.h"
#include "HitTestResult.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "InputElement.h"
#include "LocalizedStrings.h"
#include "MouseEvent.h"
#include "PlatformKeyboardEvent.h"
#include "RenderScrollbar.h"
#include "RenderTheme.h"
#include "SearchPopupMenu.h"
#include "SelectionController.h"
#include "Settings.h"
#include "TextControlInnerElements.h"
using namespace std;
namespace WebCore {
using namespace HTMLNames;
RenderTextControlSingleLine::RenderTextControlSingleLine(Node* node)
: RenderTextControl(node)
, m_placeholderVisible(false)
, m_searchPopupIsVisible(false)
, m_shouldDrawCapsLockIndicator(false)
, m_searchEventTimer(this, &RenderTextControlSingleLine::searchEventTimerFired)
, m_searchPopup(0)
{
}
RenderTextControlSingleLine::~RenderTextControlSingleLine()
{
if (m_searchPopup) {
m_searchPopup->disconnectClient();
m_searchPopup = 0;
}
if (m_innerBlock)
m_innerBlock->detach();
}
bool RenderTextControlSingleLine::placeholderShouldBeVisible() const
{
return inputElement()->placeholderShouldBeVisible();
}
void RenderTextControlSingleLine::updatePlaceholderVisibility()
{
RenderStyle* parentStyle = m_innerBlock ? m_innerBlock->renderer()->style() : style();
RefPtr<RenderStyle> textBlockStyle = createInnerTextStyle(parentStyle);
HTMLElement* innerText = innerTextElement();
innerText->renderer()->setStyle(textBlockStyle);
for (Node* n = innerText->firstChild(); n; n = n->traverseNextNode(innerText)) {
if (RenderObject* renderer = n->renderer())
renderer->setStyle(textBlockStyle);
}
updateFromElement();
}
void RenderTextControlSingleLine::addSearchResult()
{
ASSERT(node()->isHTMLElement());
HTMLInputElement* input = static_cast<HTMLInputElement*>(node());
if (input->maxResults() <= 0)
return;
String value = input->value();
if (value.isEmpty())
return;
Settings* settings = document()->settings();
if (!settings || settings->privateBrowsingEnabled())
return;
int size = static_cast<int>(m_recentSearches.size());
for (int i = size - 1; i >= 0; --i) {
if (m_recentSearches[i] == value)
m_recentSearches.remove(i);
}
m_recentSearches.insert(0, value);
while (static_cast<int>(m_recentSearches.size()) > input->maxResults())
m_recentSearches.removeLast();
const AtomicString& name = autosaveName();
if (!m_searchPopup)
m_searchPopup = SearchPopupMenu::create(this);
m_searchPopup->saveRecentSearches(name, m_recentSearches);
}
void RenderTextControlSingleLine::stopSearchEventTimer()
{
ASSERT(node()->isHTMLElement());
m_searchEventTimer.stop();
}
void RenderTextControlSingleLine::showPopup()
{
ASSERT(node()->isHTMLElement());
if (m_searchPopupIsVisible)
return;
if (!m_searchPopup)
m_searchPopup = SearchPopupMenu::create(this);
if (!m_searchPopup->enabled())
return;
m_searchPopupIsVisible = true;
const AtomicString& name = autosaveName();
m_searchPopup->loadRecentSearches(name, m_recentSearches);
// Trim the recent searches list if the maximum size has changed since we last saved.
HTMLInputElement* input = static_cast<HTMLInputElement*>(node());
if (static_cast<int>(m_recentSearches.size()) > input->maxResults()) {
do {
m_recentSearches.removeLast();
} while (static_cast<int>(m_recentSearches.size()) > input->maxResults());
m_searchPopup->saveRecentSearches(name, m_recentSearches);
}
m_searchPopup->show(absoluteBoundingBoxRect(true), document()->view(), -1);
}
void RenderTextControlSingleLine::hidePopup()
{
ASSERT(node()->isHTMLElement());
if (m_searchPopup)
m_searchPopup->hide();
m_searchPopupIsVisible = false;
}
void RenderTextControlSingleLine::subtreeHasChanged()
{
bool wasEdited = isEdited();
RenderTextControl::subtreeHasChanged();
InputElement* input = inputElement();
input->setValueFromRenderer(input->constrainValue(text()));
if (RenderObject* cancelButtonRenderer = m_cancelButton ? m_cancelButton->renderer() : 0)
updateCancelButtonVisibility(cancelButtonRenderer->style());
// If the incremental attribute is set, then dispatch the search event
if (input->searchEventsShouldBeDispatched())
startSearchEventTimer();
if (!wasEdited && node()->focused()) {
if (Frame* frame = document()->frame())
frame->textFieldDidBeginEditing(static_cast<Element*>(node()));
}
if (node()->focused()) {
if (Frame* frame = document()->frame())
frame->textDidChangeInTextField(static_cast<Element*>(node()));
}
}
void RenderTextControlSingleLine::paint(PaintInfo& paintInfo, int tx, int ty)
{
RenderTextControl::paint(paintInfo, tx, ty);
if (paintInfo.phase == PaintPhaseBlockBackground && m_shouldDrawCapsLockIndicator) {
IntRect contentsRect = contentBoxRect();
// Convert the rect into the coords used for painting the content
contentsRect.move(tx + x(), ty + y());
theme()->paintCapsLockIndicator(this, paintInfo, contentsRect);
}
}
void RenderTextControlSingleLine::layout()
{
int oldHeight = height();
calcHeight();
#ifdef ANDROID_LAYOUT
int oldVisibleWidth = m_visibleWidth;
#endif
int oldWidth = width();
calcWidth();
bool relayoutChildren = oldHeight != height() || oldWidth != width();
#ifdef ANDROID_LAYOUT
if (oldVisibleWidth != m_visibleWidth
&& document()->settings()->layoutAlgorithm() == Settings::kLayoutFitColumnToScreen) {
relayoutChildren = true;
}
#endif
RenderBox* innerTextRenderer = innerTextElement()->renderBox();
RenderBox* innerBlockRenderer = m_innerBlock ? m_innerBlock->renderBox() : 0;
// Set the text block height
int desiredHeight = textBlockHeight();
int currentHeight = innerTextRenderer->height();
if (m_innerBlock || currentHeight > height()) {
if (desiredHeight != currentHeight)
relayoutChildren = true;
innerTextRenderer->style()->setHeight(Length(desiredHeight, Fixed));
}
if (m_innerBlock) {
ASSERT(innerBlockRenderer);
if (desiredHeight != innerBlockRenderer->height())
relayoutChildren = true;
innerBlockRenderer->style()->setHeight(Length(desiredHeight, Fixed));
}
// Set the text block width
int desiredWidth = textBlockWidth();
if (desiredWidth != innerTextRenderer->width())
relayoutChildren = true;
innerTextRenderer->style()->setWidth(Length(desiredWidth, Fixed));
if (m_innerBlock) {
int innerBlockWidth = width() - paddingLeft() - paddingRight() - borderLeft() - borderRight();
if (innerBlockWidth != innerBlockRenderer->width())
relayoutChildren = true;
innerBlockRenderer->style()->setWidth(Length(innerBlockWidth, Fixed));
}
RenderBlock::layoutBlock(relayoutChildren);
// For text fields, center the inner text vertically
// Don't do this for search fields, since we don't honor height for them
if (!m_innerBlock) {
currentHeight = innerTextRenderer->height();
if (currentHeight < height())
innerTextRenderer->setLocation(innerTextRenderer->x(), (height() - currentHeight) / 2);
}
}
bool RenderTextControlSingleLine::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int xPos, int yPos, int tx, int ty, HitTestAction hitTestAction)
{
// If we're within the text control, we want to act as if we've hit the inner text block element, in case the point
// was on the control but not on the inner element (see Radar 4617841).
// In a search field, we want to act as if we've hit the results block if we're to the left of the inner text block,
// and act as if we've hit the close block if we're to the right of the inner text block.
if (!RenderTextControl::nodeAtPoint(request, result, xPos, yPos, tx, ty, hitTestAction))
return false;
if (result.innerNode() != element() && result.innerNode() != m_innerBlock.get())
return false;
hitInnerTextBlock(result, xPos, yPos, tx, ty);
if (!m_innerBlock)
return true;
Node* innerNode = 0;
RenderBox* innerBlockRenderer = m_innerBlock->renderBox();
RenderBox* innerTextRenderer = innerTextElement()->renderBox();
IntPoint localPoint = result.localPoint();
localPoint.move(-innerBlockRenderer->x(), -innerBlockRenderer->y());
int textLeft = tx + x() + innerBlockRenderer->x() + innerTextRenderer->x();
if (m_resultsButton && m_resultsButton->renderer() && xPos < textLeft)
innerNode = m_resultsButton.get();
if (!innerNode) {
int textRight = textLeft + innerTextRenderer->width();
if (m_cancelButton && m_cancelButton->renderer() && xPos > textRight)
innerNode = m_cancelButton.get();
}
if (innerNode) {
result.setInnerNode(innerNode);
localPoint.move(-innerNode->renderBox()->x(), -innerNode->renderBox()->y());
}
result.setLocalPoint(localPoint);
return true;
}
void RenderTextControlSingleLine::forwardEvent(Event* event)
{
RenderBox* innerTextRenderer = innerTextElement()->renderBox();
if (event->type() == eventNames().blurEvent) {
if (innerTextRenderer) {
if (RenderLayer* innerLayer = innerTextRenderer->layer())
innerLayer->scrollToOffset(style()->direction() == RTL ? innerLayer->scrollWidth() : 0, 0);
}
capsLockStateMayHaveChanged();
} else if (event->type() == eventNames().focusEvent)
capsLockStateMayHaveChanged();
if (!event->isMouseEvent()) {
RenderTextControl::forwardEvent(event);
return;
}
FloatPoint localPoint = innerTextRenderer->absoluteToLocal(FloatPoint(static_cast<MouseEvent*>(event)->pageX(), static_cast<MouseEvent*>(event)->pageY()), false, true);
if (m_resultsButton && localPoint.x() < innerTextRenderer->borderBoxRect().x())
m_resultsButton->defaultEventHandler(event);
else if (m_cancelButton && localPoint.x() > innerTextRenderer->borderBoxRect().right())
m_cancelButton->defaultEventHandler(event);
else
RenderTextControl::forwardEvent(event);
}
void RenderTextControlSingleLine::styleDidChange(RenderStyle::Diff diff, const RenderStyle* oldStyle)
{
RenderTextControl::styleDidChange(diff, oldStyle);
if (RenderObject* innerBlockRenderer = m_innerBlock ? m_innerBlock->renderer() : 0) {
// We may have set the width and the height in the old style in layout().
// Reset them now to avoid getting a spurious layout hint.
innerBlockRenderer->style()->setHeight(Length());
innerBlockRenderer->style()->setWidth(Length());
innerBlockRenderer->setStyle(createInnerBlockStyle(style()));
}
if (RenderObject* resultsRenderer = m_resultsButton ? m_resultsButton->renderer() : 0)
resultsRenderer->setStyle(createResultsButtonStyle(style()));
if (RenderObject* cancelRenderer = m_cancelButton ? m_cancelButton->renderer() : 0)
cancelRenderer->setStyle(createCancelButtonStyle(style()));
}
void RenderTextControlSingleLine::capsLockStateMayHaveChanged()
{
if (!node() || !document())
return;
// Only draw the caps lock indicator if these things are true:
// 1) The field is a password field
// 2) The frame is active
// 3) The element is focused
// 4) The caps lock is on
bool shouldDrawCapsLockIndicator = false;
if (Frame* frame = document()->frame())
shouldDrawCapsLockIndicator = inputElement()->isPasswordField()
&& frame->selection()->isFocusedAndActive()
&& document()->focusedNode() == node()
&& PlatformKeyboardEvent::currentCapsLockState();
if (shouldDrawCapsLockIndicator != m_shouldDrawCapsLockIndicator) {
m_shouldDrawCapsLockIndicator = shouldDrawCapsLockIndicator;
repaint();
}
}
int RenderTextControlSingleLine::textBlockWidth() const
{
int width = RenderTextControl::textBlockWidth();
if (RenderBox* resultsRenderer = m_resultsButton ? m_resultsButton->renderBox() : 0) {
resultsRenderer->calcWidth();
width -= resultsRenderer->width() + resultsRenderer->marginLeft() + resultsRenderer->marginRight();
}
if (RenderBox* cancelRenderer = m_cancelButton ? m_cancelButton->renderBox() : 0) {
cancelRenderer->calcWidth();
width -= cancelRenderer->width() + cancelRenderer->marginLeft() + cancelRenderer->marginRight();
}
return width;
}
int RenderTextControlSingleLine::preferredContentWidth(float charWidth) const
{
int factor = inputElement()->size();
if (factor <= 0)
factor = 20;
int result = static_cast<int>(ceilf(charWidth * factor));
if (RenderBox* resultsRenderer = m_resultsButton ? m_resultsButton->renderBox() : 0)
result += resultsRenderer->borderLeft() + resultsRenderer->borderRight() +
resultsRenderer->paddingLeft() + resultsRenderer->paddingRight();
if (RenderBox* cancelRenderer = m_cancelButton ? m_cancelButton->renderBox() : 0)
result += cancelRenderer->borderLeft() + cancelRenderer->borderRight() +
cancelRenderer->paddingLeft() + cancelRenderer->paddingRight();
return result;
}
void RenderTextControlSingleLine::adjustControlHeightBasedOnLineHeight(int lineHeight)
{
if (RenderBox* resultsRenderer = m_resultsButton ? m_resultsButton->renderBox() : 0) {
static_cast<RenderBlock*>(resultsRenderer)->calcHeight();
setHeight(max(height(),
resultsRenderer->borderTop() + resultsRenderer->borderBottom() +
resultsRenderer->paddingTop() + resultsRenderer->paddingBottom() +
resultsRenderer->marginTop() + resultsRenderer->marginBottom()));
lineHeight = max(lineHeight, resultsRenderer->height());
}
if (RenderBox* cancelRenderer = m_cancelButton ? m_cancelButton->renderBox() : 0) {
static_cast<RenderBlock*>(cancelRenderer)->calcHeight();
setHeight(max(height(),
cancelRenderer->borderTop() + cancelRenderer->borderBottom() +
cancelRenderer->paddingTop() + cancelRenderer->paddingBottom() +
cancelRenderer->marginTop() + cancelRenderer->marginBottom()));
lineHeight = max(lineHeight, cancelRenderer->height());
}
setHeight(height() + lineHeight);
}
void RenderTextControlSingleLine::createSubtreeIfNeeded()
{
if (!inputElement()->isSearchField()) {
RenderTextControl::createSubtreeIfNeeded(m_innerBlock.get());
return;
}
if (!m_innerBlock) {
// Create the inner block element
m_innerBlock = new TextControlInnerElement(document(), node());
m_innerBlock->attachInnerElement(node(), createInnerBlockStyle(style()), renderArena());
}
if (!m_resultsButton) {
// Create the search results button element
m_resultsButton = new SearchFieldResultsButtonElement(document());
m_resultsButton->attachInnerElement(m_innerBlock.get(), createResultsButtonStyle(m_innerBlock->renderer()->style()), renderArena());
}
// Create innerText element before adding the cancel button
RenderTextControl::createSubtreeIfNeeded(m_innerBlock.get());
if (!m_cancelButton) {
// Create the cancel button element
m_cancelButton = new SearchFieldCancelButtonElement(document());
m_cancelButton->attachInnerElement(m_innerBlock.get(), createCancelButtonStyle(m_innerBlock->renderer()->style()), renderArena());
}
}
void RenderTextControlSingleLine::updateFromElement()
{
createSubtreeIfNeeded();
RenderTextControl::updateFromElement();
bool placeholderVisibilityShouldChange = m_placeholderVisible != placeholderShouldBeVisible();
m_placeholderVisible = placeholderShouldBeVisible();
if (RenderObject* cancelButtonRenderer = m_cancelButton ? m_cancelButton->renderer() : 0)
updateCancelButtonVisibility(cancelButtonRenderer->style());
if (m_placeholderVisible) {
ExceptionCode ec = 0;
innerTextElement()->setInnerText(inputElement()->placeholderValue(), ec);
ASSERT(!ec);
} else if (!formControlElement()->valueMatchesRenderer() || placeholderVisibilityShouldChange)
setInnerTextValue(inputElement()->value());
if (m_searchPopupIsVisible)
m_searchPopup->updateFromElement();
}
void RenderTextControlSingleLine::cacheSelection(int start, int end)
{
inputElement()->cacheSelection(start, end);
}
PassRefPtr<RenderStyle> RenderTextControlSingleLine::createInnerTextStyle(const RenderStyle* startStyle) const
{
RefPtr<RenderStyle> textBlockStyle;
if (placeholderShouldBeVisible()) {
RenderStyle* pseudoStyle = getCachedPseudoStyle(RenderStyle::INPUT_PLACEHOLDER);
textBlockStyle = RenderStyle::clone(pseudoStyle);
} else {
textBlockStyle = RenderStyle::create();
textBlockStyle->inheritFrom(startStyle);
}
adjustInnerTextStyle(startStyle, textBlockStyle.get());
textBlockStyle->setWhiteSpace(PRE);
textBlockStyle->setWordWrap(NormalWordWrap);
textBlockStyle->setOverflowX(OHIDDEN);
textBlockStyle->setOverflowY(OHIDDEN);
// Do not allow line-height to be smaller than our default.
if (textBlockStyle->font().lineSpacing() > lineHeight(true, true))
textBlockStyle->setLineHeight(Length(-100.0f, Percent));
textBlockStyle->setDisplay(m_innerBlock ? INLINE_BLOCK : BLOCK);
// We're adding one extra pixel of padding to match WinIE.
textBlockStyle->setPaddingLeft(Length(1, Fixed));
textBlockStyle->setPaddingRight(Length(1, Fixed));
// When the placeholder is going to be displayed, temporarily override the text security to be "none".
// After this, updateFromElement will immediately update the text displayed.
// When the placeholder is no longer visible, updatePlaceholderVisiblity will reset the style,
// and the text security mode will be set back to the computed value correctly.
if (placeholderShouldBeVisible())
textBlockStyle->setTextSecurity(TSNONE);
return textBlockStyle.release();
}
PassRefPtr<RenderStyle> RenderTextControlSingleLine::createInnerBlockStyle(const RenderStyle* startStyle) const
{
ASSERT(node()->isHTMLElement());
RefPtr<RenderStyle> innerBlockStyle = RenderStyle::create();
innerBlockStyle->inheritFrom(startStyle);
innerBlockStyle->setDisplay(BLOCK);
innerBlockStyle->setDirection(LTR);
// We don't want the shadow dom to be editable, so we set this block to read-only in case the input itself is editable.
innerBlockStyle->setUserModify(READ_ONLY);
return innerBlockStyle.release();
}
PassRefPtr<RenderStyle> RenderTextControlSingleLine::createResultsButtonStyle(const RenderStyle* startStyle) const
{
ASSERT(node()->isHTMLElement());
HTMLInputElement* input = static_cast<HTMLInputElement*>(node());
RefPtr<RenderStyle> resultsBlockStyle;
if (input->maxResults() < 0)
resultsBlockStyle = getCachedPseudoStyle(RenderStyle::SEARCH_DECORATION);
else if (!input->maxResults())
resultsBlockStyle = getCachedPseudoStyle(RenderStyle::SEARCH_RESULTS_DECORATION);
else
resultsBlockStyle = getCachedPseudoStyle(RenderStyle::SEARCH_RESULTS_BUTTON);
if (!resultsBlockStyle)
resultsBlockStyle = RenderStyle::create();
if (startStyle)
resultsBlockStyle->inheritFrom(startStyle);
return resultsBlockStyle.release();
}
PassRefPtr<RenderStyle> RenderTextControlSingleLine::createCancelButtonStyle(const RenderStyle* startStyle) const
{
ASSERT(node()->isHTMLElement());
RefPtr<RenderStyle> cancelBlockStyle;
if (RefPtr<RenderStyle> pseudoStyle = getCachedPseudoStyle(RenderStyle::SEARCH_CANCEL_BUTTON))
// We may be sharing style with another search field, but we must not share the cancel button style.
cancelBlockStyle = RenderStyle::clone(pseudoStyle.get());
else
cancelBlockStyle = RenderStyle::create();
if (startStyle)
cancelBlockStyle->inheritFrom(startStyle);
updateCancelButtonVisibility(cancelBlockStyle.get());
return cancelBlockStyle.release();
}
void RenderTextControlSingleLine::updateCancelButtonVisibility(RenderStyle* style) const
{
ASSERT(node()->isHTMLElement());
HTMLInputElement* input = static_cast<HTMLInputElement*>(node());
style->setVisibility(input->value().isEmpty() ? HIDDEN : VISIBLE);
}
const AtomicString& RenderTextControlSingleLine::autosaveName() const
{
return static_cast<Element*>(node())->getAttribute(autosaveAttr);
}
void RenderTextControlSingleLine::startSearchEventTimer()
{
ASSERT(node()->isHTMLElement());
unsigned length = text().length();
// If there's no text, fire the event right away.
if (!length) {
stopSearchEventTimer();
static_cast<HTMLInputElement*>(node())->onSearch();
return;
}
// After typing the first key, we wait 0.5 seconds.
// After the second key, 0.4 seconds, then 0.3, then 0.2 from then on.
m_searchEventTimer.startOneShot(max(0.2, 0.6 - 0.1 * length));
}
void RenderTextControlSingleLine::searchEventTimerFired(Timer<RenderTextControlSingleLine>*)
{
ASSERT(node()->isHTMLElement());
static_cast<HTMLInputElement*>(node())->onSearch();
}
// PopupMenuClient methods
void RenderTextControlSingleLine::valueChanged(unsigned listIndex, bool fireEvents)
{
ASSERT(node()->isHTMLElement());
ASSERT(static_cast<int>(listIndex) < listSize());
HTMLInputElement* input = static_cast<HTMLInputElement*>(node());
if (static_cast<int>(listIndex) == (listSize() - 1)) {
if (fireEvents) {
m_recentSearches.clear();
const AtomicString& name = autosaveName();
if (!name.isEmpty()) {
if (!m_searchPopup)
m_searchPopup = SearchPopupMenu::create(this);
m_searchPopup->saveRecentSearches(name, m_recentSearches);
}
}
} else {
input->setValue(itemText(listIndex));
if (fireEvents)
input->onSearch();
input->select();
}
}
String RenderTextControlSingleLine::itemText(unsigned listIndex) const
{
int size = listSize();
if (size == 1) {
ASSERT(!listIndex);
return searchMenuNoRecentSearchesText();
}
if (!listIndex)
return searchMenuRecentSearchesText();
if (itemIsSeparator(listIndex))
return String();
if (static_cast<int>(listIndex) == (size - 1))
return searchMenuClearRecentSearchesText();
return m_recentSearches[listIndex - 1];
}
bool RenderTextControlSingleLine::itemIsEnabled(unsigned listIndex) const
{
if (!listIndex || itemIsSeparator(listIndex))
return false;
return true;
}
PopupMenuStyle RenderTextControlSingleLine::itemStyle(unsigned) const
{
return menuStyle();
}
PopupMenuStyle RenderTextControlSingleLine::menuStyle() const
{
return PopupMenuStyle(style()->color(), style()->backgroundColor(), style()->font(), style()->visibility() == VISIBLE);
}
int RenderTextControlSingleLine::clientInsetLeft() const
{
// Inset the menu by the radius of the cap on the left so that
// it only runs along the straight part of the bezel.
return height() / 2;
}
int RenderTextControlSingleLine::clientInsetRight() const
{
// Inset the menu by the radius of the cap on the right so that
// it only runs along the straight part of the bezel (unless it needs
// to be wider).
return height() / 2;
}
int RenderTextControlSingleLine::clientPaddingLeft() const
{
int padding = paddingLeft();
if (RenderBox* resultsRenderer = m_resultsButton ? m_resultsButton->renderBox() : 0)
padding += resultsRenderer->width();
return padding;
}
int RenderTextControlSingleLine::clientPaddingRight() const
{
int padding = paddingRight();
if (RenderBox* cancelRenderer = m_cancelButton ? m_cancelButton->renderBox() : 0)
padding += cancelRenderer->width();
return padding;
}
int RenderTextControlSingleLine::listSize() const
{
// If there are no recent searches, then our menu will have 1 "No recent searches" item.
if (!m_recentSearches.size())
return 1;
// Otherwise, leave room in the menu for a header, a separator, and the "Clear recent searches" item.
return m_recentSearches.size() + 3;
}
int RenderTextControlSingleLine::selectedIndex() const
{
return -1;
}
bool RenderTextControlSingleLine::itemIsSeparator(unsigned listIndex) const
{
// The separator will be the second to last item in our list.
return static_cast<int>(listIndex) == (listSize() - 2);
}
bool RenderTextControlSingleLine::itemIsLabel(unsigned listIndex) const
{
return listIndex == 0;
}
bool RenderTextControlSingleLine::itemIsSelected(unsigned) const
{
return false;
}
void RenderTextControlSingleLine::setTextFromItem(unsigned listIndex)
{
ASSERT(node()->isHTMLElement());
static_cast<HTMLInputElement*>(node())->setValue(itemText(listIndex));
}
FontSelector* RenderTextControlSingleLine::fontSelector() const
{
return document()->styleSelector()->fontSelector();
}
HostWindow* RenderTextControlSingleLine::hostWindow() const
{
return document()->view()->hostWindow();
}
PassRefPtr<Scrollbar> RenderTextControlSingleLine::createScrollbar(ScrollbarClient* client, ScrollbarOrientation orientation, ScrollbarControlSize controlSize)
{
RefPtr<Scrollbar> widget;
bool hasCustomScrollbarStyle = style()->hasPseudoStyle(RenderStyle::SCROLLBAR);
if (hasCustomScrollbarStyle)
widget = RenderScrollbar::createCustomScrollbar(client, orientation, this);
else
widget = Scrollbar::createNativeScrollbar(client, orientation, controlSize);
return widget.release();
}
InputElement* RenderTextControlSingleLine::inputElement() const
{
return toInputElement(static_cast<Element*>(node()));
}
}