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/**
* Copyright (C) 2006, 2007, 2010, 2015 Apple Inc. All rights reserved.
* (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
*
* 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 "RenderSearchField.h"
#include "CSSFontSelector.h"
#include "CSSValueKeywords.h"
#include "Chrome.h"
#include "ElementInlines.h"
#include "Font.h"
#include "Frame.h"
#include "FrameSelection.h"
#include "FrameView.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "HitTestResult.h"
#include "LocalizedStrings.h"
#include "Page.h"
#include "PopupMenu.h"
#include "RenderLayer.h"
#include "RenderScrollbar.h"
#include "RenderTheme.h"
#include "RenderView.h"
#include "StyleResolver.h"
#include "TextControlInnerElements.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
using namespace HTMLNames;
WTF_MAKE_ISO_ALLOCATED_IMPL(RenderSearchField);
RenderSearchField::RenderSearchField(HTMLInputElement& element, RenderStyle&& style)
: RenderTextControlSingleLine(element, WTFMove(style))
, m_searchPopupIsVisible(false)
, m_searchPopup(nullptr)
{
ASSERT(element.isSearchField());
}
RenderSearchField::~RenderSearchField()
{
// Do not add any code here. Add it to willBeDestroyed() instead.
}
void RenderSearchField::willBeDestroyed()
{
if (m_searchPopup) {
m_searchPopup->popupMenu()->disconnectClient();
m_searchPopup = nullptr;
}
RenderTextControlSingleLine::willBeDestroyed();
}
inline HTMLElement* RenderSearchField::resultsButtonElement() const
{
return inputElement().resultsButtonElement();
}
inline HTMLElement* RenderSearchField::cancelButtonElement() const
{
return inputElement().cancelButtonElement();
}
void RenderSearchField::addSearchResult()
{
if (inputElement().maxResults() <= 0)
return;
String value = inputElement().value();
if (value.isEmpty())
return;
if (page().usesEphemeralSession())
return;
m_recentSearches.removeAllMatching([value] (const RecentSearch& recentSearch) {
return recentSearch.string == value;
});
RecentSearch recentSearch = { value, WallTime::now() };
m_recentSearches.insert(0, recentSearch);
while (static_cast<int>(m_recentSearches.size()) > inputElement().maxResults())
m_recentSearches.removeLast();
const AtomString& name = autosaveName();
if (!m_searchPopup)
m_searchPopup = page().chrome().createSearchPopupMenu(*this);
m_searchPopup->saveRecentSearches(name, m_recentSearches);
}
void RenderSearchField::showPopup()
{
if (m_searchPopupIsVisible)
return;
if (!m_searchPopup)
m_searchPopup = page().chrome().createSearchPopupMenu(*this);
if (!m_searchPopup->enabled())
return;
m_searchPopupIsVisible = true;
const AtomString& name = autosaveName();
m_searchPopup->loadRecentSearches(name, m_recentSearches);
// Trim the recent searches list if the maximum size has changed since we last saved.
if (static_cast<int>(m_recentSearches.size()) > inputElement().maxResults()) {
do {
m_recentSearches.removeLast();
} while (static_cast<int>(m_recentSearches.size()) > inputElement().maxResults());
m_searchPopup->saveRecentSearches(name, m_recentSearches);
}
FloatPoint absTopLeft = localToAbsolute(FloatPoint(), UseTransforms);
IntRect absBounds = absoluteBoundingBoxRectIgnoringTransforms();
absBounds.setLocation(roundedIntPoint(absTopLeft));
m_searchPopup->popupMenu()->show(absBounds, &view().frameView(), -1);
}
void RenderSearchField::hidePopup()
{
if (m_searchPopup)
m_searchPopup->popupMenu()->hide();
}
LayoutUnit RenderSearchField::computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const
{
HTMLElement* resultsButton = resultsButtonElement();
if (RenderBox* resultsRenderer = resultsButton ? resultsButton->renderBox() : 0) {
resultsRenderer->updateLogicalHeight();
nonContentHeight = std::max(nonContentHeight, resultsRenderer->borderAndPaddingLogicalHeight() + resultsRenderer->marginLogicalHeight());
lineHeight = std::max(lineHeight, resultsRenderer->logicalHeight());
}
HTMLElement* cancelButton = cancelButtonElement();
if (RenderBox* cancelRenderer = cancelButton ? cancelButton->renderBox() : 0) {
cancelRenderer->updateLogicalHeight();
nonContentHeight = std::max(nonContentHeight, cancelRenderer->borderAndPaddingLogicalHeight() + cancelRenderer->marginLogicalHeight());
lineHeight = std::max(lineHeight, cancelRenderer->logicalHeight());
}
return lineHeight + nonContentHeight;
}
void RenderSearchField::updateFromElement()
{
RenderTextControlSingleLine::updateFromElement();
if (cancelButtonElement())
updateCancelButtonVisibility();
if (m_searchPopupIsVisible)
m_searchPopup->popupMenu()->updateFromElement();
}
void RenderSearchField::updateCancelButtonVisibility() const
{
RenderElement* cancelButtonRenderer = cancelButtonElement()->renderer();
if (!cancelButtonRenderer)
return;
const RenderStyle& curStyle = cancelButtonRenderer->style();
Visibility buttonVisibility = visibilityForCancelButton();
if (curStyle.visibility() == buttonVisibility)
return;
auto cancelButtonStyle = RenderStyle::clone(curStyle);
cancelButtonStyle.setVisibility(buttonVisibility);
cancelButtonRenderer->setStyle(WTFMove(cancelButtonStyle));
}
Visibility RenderSearchField::visibilityForCancelButton() const
{
return (style().visibility() == Visibility::Hidden || inputElement().value().isEmpty()) ? Visibility::Hidden : Visibility::Visible;
}
const AtomString& RenderSearchField::autosaveName() const
{
return inputElement().attributeWithoutSynchronization(autosaveAttr);
}
// PopupMenuClient methods
void RenderSearchField::valueChanged(unsigned listIndex, bool fireEvents)
{
ASSERT(static_cast<int>(listIndex) < listSize());
if (static_cast<int>(listIndex) == (listSize() - 1)) {
if (fireEvents) {
m_recentSearches.clear();
const AtomString& name = autosaveName();
if (!name.isEmpty()) {
if (!m_searchPopup)
m_searchPopup = page().chrome().createSearchPopupMenu(*this);
m_searchPopup->saveRecentSearches(name, m_recentSearches);
}
}
} else {
inputElement().setValue(itemText(listIndex));
if (fireEvents)
inputElement().onSearch();
inputElement().select();
}
}
String RenderSearchField::itemText(unsigned listIndex) const
{
#if !PLATFORM(IOS_FAMILY)
int size = listSize();
if (size == 1) {
ASSERT(!listIndex);
return searchMenuNoRecentSearchesText();
}
if (!listIndex)
return searchMenuRecentSearchesText();
#endif
if (itemIsSeparator(listIndex))
return String();
#if !PLATFORM(IOS_FAMILY)
if (static_cast<int>(listIndex) == (size - 1))
return searchMenuClearRecentSearchesText();
#endif
return m_recentSearches[listIndex - 1].string;
}
String RenderSearchField::itemLabel(unsigned) const
{
return String();
}
String RenderSearchField::itemIcon(unsigned) const
{
return String();
}
bool RenderSearchField::itemIsEnabled(unsigned listIndex) const
{
if (!listIndex || itemIsSeparator(listIndex))
return false;
return true;
}
PopupMenuStyle RenderSearchField::itemStyle(unsigned) const
{
return menuStyle();
}
PopupMenuStyle RenderSearchField::menuStyle() const
{
return PopupMenuStyle(style().visitedDependentColorWithColorFilter(CSSPropertyColor), style().visitedDependentColorWithColorFilter(CSSPropertyBackgroundColor), style().fontCascade(), style().visibility() == Visibility::Visible,
style().display() == DisplayType::None, true, style().textIndent(), style().direction(), isOverride(style().unicodeBidi()), PopupMenuStyle::CustomBackgroundColor);
}
int RenderSearchField::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 RenderSearchField::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;
}
LayoutUnit RenderSearchField::clientPaddingLeft() const
{
LayoutUnit padding = paddingLeft();
if (RenderBox* box = innerBlockElement() ? innerBlockElement()->renderBox() : 0)
padding += box->x();
return padding;
}
LayoutUnit RenderSearchField::clientPaddingRight() const
{
LayoutUnit padding = paddingRight();
if (RenderBox* containerBox = containerElement() ? containerElement()->renderBox() : 0) {
if (RenderBox* innerBlockBox = innerBlockElement() ? innerBlockElement()->renderBox() : 0)
padding += containerBox->width() - (innerBlockBox->x() + innerBlockBox->width());
}
return padding;
}
int RenderSearchField::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 RenderSearchField::selectedIndex() const
{
return -1;
}
void RenderSearchField::popupDidHide()
{
m_searchPopupIsVisible = false;
}
bool RenderSearchField::itemIsSeparator(unsigned listIndex) const
{
// The separator will be the second to last item in our list.
return static_cast<int>(listIndex) == (listSize() - 2);
}
bool RenderSearchField::itemIsLabel(unsigned listIndex) const
{
return !listIndex;
}
bool RenderSearchField::itemIsSelected(unsigned) const
{
return false;
}
void RenderSearchField::setTextFromItem(unsigned listIndex)
{
inputElement().setValue(itemText(listIndex));
}
FontSelector* RenderSearchField::fontSelector() const
{
return &document().fontSelector();
}
HostWindow* RenderSearchField::hostWindow() const
{
return RenderTextControlSingleLine::hostWindow();
}
Ref<Scrollbar> RenderSearchField::createScrollbar(ScrollableArea& scrollableArea, ScrollbarOrientation orientation, ScrollbarControlSize controlSize)
{
bool hasCustomScrollbarStyle = style().hasPseudoStyle(PseudoId::Scrollbar);
if (hasCustomScrollbarStyle)
return RenderScrollbar::createCustomScrollbar(scrollableArea, orientation, &inputElement());
return Scrollbar::createNativeScrollbar(scrollableArea, orientation, controlSize);
}
}