blob: d94d583a5387ea5a8e71e9389f1980d51a878d05 [file] [log] [blame]
/*
* Copyright (C) 2010 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AutoFillPopupMenuClient.h"
#include "CSSStyleSelector.h"
#include "CSSValueKeywords.h"
#include "Chrome.h"
#include "FrameView.h"
#include "HTMLInputElement.h"
#include "RenderTheme.h"
#include "WebAutoFillClient.h"
#include "WebNode.h"
#include "WebString.h"
#include "WebVector.h"
#include "WebViewClient.h"
#include "WebViewImpl.h"
using namespace WebCore;
namespace WebKit {
AutoFillPopupMenuClient::AutoFillPopupMenuClient()
: m_separatorIndex(-1)
, m_selectedIndex(-1)
, m_textField(0)
{
}
AutoFillPopupMenuClient::~AutoFillPopupMenuClient()
{
}
unsigned AutoFillPopupMenuClient::getSuggestionsCount() const
{
return m_names.size() + ((m_separatorIndex == -1) ? 0 : 1);
}
WebString AutoFillPopupMenuClient::getSuggestion(unsigned listIndex) const
{
int index = convertListIndexToInternalIndex(listIndex);
if (index == -1)
return WebString();
ASSERT(index >= 0 && static_cast<size_t>(index) < m_names.size());
return m_names[index];
}
WebString AutoFillPopupMenuClient::getLabel(unsigned listIndex) const
{
int index = convertListIndexToInternalIndex(listIndex);
if (index == -1)
return WebString();
ASSERT(index >= 0 && static_cast<size_t>(index) < m_labels.size());
return m_labels[index];
}
WebString AutoFillPopupMenuClient::getIcon(unsigned listIndex) const
{
int index = convertListIndexToInternalIndex(listIndex);
if (index == -1)
return WebString();
ASSERT(index >= 0 && static_cast<size_t>(index) < m_icons.size());
return m_icons[index];
}
void AutoFillPopupMenuClient::removeSuggestionAtIndex(unsigned listIndex)
{
if (!canRemoveSuggestionAtIndex(listIndex))
return;
int index = convertListIndexToInternalIndex(listIndex);
ASSERT(static_cast<unsigned>(index) < m_names.size());
m_names.remove(index);
m_labels.remove(index);
m_icons.remove(index);
m_uniqueIDs.remove(index);
// Shift the separator index if necessary.
if (m_separatorIndex != -1)
m_separatorIndex--;
}
bool AutoFillPopupMenuClient::canRemoveSuggestionAtIndex(unsigned listIndex)
{
// Only allow deletion of items before the separator that have unique id 0
// (i.e. are autocomplete rather than autofill items).
int index = convertListIndexToInternalIndex(listIndex);
return !m_uniqueIDs[index] && (m_separatorIndex == -1 || listIndex < static_cast<unsigned>(m_separatorIndex));
}
void AutoFillPopupMenuClient::valueChanged(unsigned listIndex, bool fireEvents)
{
WebViewImpl* webView = getWebView();
if (!webView)
return;
if (m_separatorIndex != -1 && listIndex > static_cast<unsigned>(m_separatorIndex))
--listIndex;
ASSERT(listIndex < m_names.size());
webView->autoFillClient()->didAcceptAutoFillSuggestion(WebNode(getTextField()),
m_names[listIndex],
m_labels[listIndex],
m_uniqueIDs[listIndex],
listIndex);
}
void AutoFillPopupMenuClient::selectionChanged(unsigned listIndex, bool fireEvents)
{
WebViewImpl* webView = getWebView();
if (!webView)
return;
if (m_separatorIndex != -1 && listIndex > static_cast<unsigned>(m_separatorIndex))
--listIndex;
ASSERT(listIndex < m_names.size());
webView->autoFillClient()->didSelectAutoFillSuggestion(WebNode(getTextField()),
m_names[listIndex],
m_labels[listIndex],
m_uniqueIDs[listIndex]);
}
void AutoFillPopupMenuClient::selectionCleared()
{
WebViewImpl* webView = getWebView();
if (webView)
webView->autoFillClient()->didClearAutoFillSelection(WebNode(getTextField()));
}
String AutoFillPopupMenuClient::itemText(unsigned listIndex) const
{
return getSuggestion(listIndex);
}
String AutoFillPopupMenuClient::itemLabel(unsigned listIndex) const
{
return getLabel(listIndex);
}
String AutoFillPopupMenuClient::itemIcon(unsigned listIndex) const
{
return getIcon(listIndex);
}
bool AutoFillPopupMenuClient::itemIsEnabled(unsigned listIndex) const
{
return !itemIsWarning(listIndex);
}
PopupMenuStyle AutoFillPopupMenuClient::itemStyle(unsigned listIndex) const
{
return itemIsWarning(listIndex) ? *m_warningStyle : *m_regularStyle;
}
PopupMenuStyle AutoFillPopupMenuClient::menuStyle() const
{
return *m_regularStyle;
}
int AutoFillPopupMenuClient::clientPaddingLeft() const
{
// Bug http://crbug.com/7708 seems to indicate the style can be 0.
RenderStyle* style = textFieldStyle();
if (!style)
return 0;
return RenderTheme::defaultTheme()->popupInternalPaddingLeft(style);
}
int AutoFillPopupMenuClient::clientPaddingRight() const
{
// Bug http://crbug.com/7708 seems to indicate the style can be 0.
RenderStyle* style = textFieldStyle();
if (!style)
return 0;
return RenderTheme::defaultTheme()->popupInternalPaddingRight(style);
}
void AutoFillPopupMenuClient::popupDidHide()
{
WebViewImpl* webView = getWebView();
if (!webView)
return;
webView->autoFillPopupDidHide();
webView->autoFillClient()->didClearAutoFillSelection(WebNode(getTextField()));
}
bool AutoFillPopupMenuClient::itemIsSeparator(unsigned listIndex) const
{
return (m_separatorIndex != -1 && static_cast<unsigned>(m_separatorIndex) == listIndex);
}
bool AutoFillPopupMenuClient::itemIsWarning(unsigned listIndex) const
{
int index = convertListIndexToInternalIndex(listIndex);
if (index == -1)
return false;
ASSERT(index >= 0 && static_cast<size_t>(index) < m_uniqueIDs.size());
return m_uniqueIDs[index] < 0;
}
void AutoFillPopupMenuClient::setTextFromItem(unsigned listIndex)
{
m_textField->setValue(getSuggestion(listIndex));
}
FontSelector* AutoFillPopupMenuClient::fontSelector() const
{
return m_textField->document()->styleSelector()->fontSelector();
}
HostWindow* AutoFillPopupMenuClient::hostWindow() const
{
return m_textField->document()->view()->hostWindow();
}
PassRefPtr<Scrollbar> AutoFillPopupMenuClient::createScrollbar(
ScrollableArea* scrollableArea,
ScrollbarOrientation orientation,
ScrollbarControlSize size)
{
return Scrollbar::createNativeScrollbar(scrollableArea, orientation, size);
}
void AutoFillPopupMenuClient::initialize(
HTMLInputElement* textField,
const WebVector<WebString>& names,
const WebVector<WebString>& labels,
const WebVector<WebString>& icons,
const WebVector<int>& uniqueIDs,
int separatorIndex)
{
ASSERT(names.size() == labels.size());
ASSERT(names.size() == icons.size());
ASSERT(names.size() == uniqueIDs.size());
ASSERT(separatorIndex < static_cast<int>(names.size()));
m_selectedIndex = -1;
m_textField = textField;
// The suggestions must be set before initializing the
// AutoFillPopupMenuClient.
setSuggestions(names, labels, icons, uniqueIDs, separatorIndex);
FontDescription regularFontDescription;
RenderTheme::defaultTheme()->systemFont(CSSValueWebkitControl,
regularFontDescription);
RenderStyle* style = m_textField->computedStyle();
regularFontDescription.setComputedSize(style->fontDescription().computedSize());
Font regularFont(regularFontDescription, 0, 0);
regularFont.update(textField->document()->styleSelector()->fontSelector());
// The direction of text in popup menu is set the same as the direction of
// the input element: textField.
m_regularStyle.set(new PopupMenuStyle(Color::black, Color::white, regularFont,
true, false, Length(WebCore::Fixed),
textField->renderer()->style()->direction(), textField->renderer()->style()->unicodeBidi() == Override));
FontDescription warningFontDescription = regularFont.fontDescription();
warningFontDescription.setItalic(true);
Font warningFont(warningFontDescription, regularFont.letterSpacing(), regularFont.wordSpacing());
warningFont.update(regularFont.fontSelector());
m_warningStyle.set(new PopupMenuStyle(Color::darkGray,
m_regularStyle->backgroundColor(),
warningFont,
m_regularStyle->isVisible(),
m_regularStyle->isDisplayNone(),
m_regularStyle->textIndent(),
m_regularStyle->textDirection(),
m_regularStyle->hasTextDirectionOverride()));
}
void AutoFillPopupMenuClient::setSuggestions(const WebVector<WebString>& names,
const WebVector<WebString>& labels,
const WebVector<WebString>& icons,
const WebVector<int>& uniqueIDs,
int separatorIndex)
{
ASSERT(names.size() == labels.size());
ASSERT(names.size() == icons.size());
ASSERT(names.size() == uniqueIDs.size());
ASSERT(separatorIndex < static_cast<int>(names.size()));
m_names.clear();
m_labels.clear();
m_icons.clear();
m_uniqueIDs.clear();
for (size_t i = 0; i < names.size(); ++i) {
m_names.append(names[i]);
m_labels.append(labels[i]);
m_icons.append(icons[i]);
m_uniqueIDs.append(uniqueIDs[i]);
}
m_separatorIndex = separatorIndex;
// Try to preserve selection if possible.
if (getSelectedIndex() >= static_cast<int>(names.size()))
setSelectedIndex(-1);
}
int AutoFillPopupMenuClient::convertListIndexToInternalIndex(unsigned listIndex) const
{
if (listIndex == static_cast<unsigned>(m_separatorIndex))
return -1;
if (m_separatorIndex == -1 || listIndex < static_cast<unsigned>(m_separatorIndex))
return listIndex;
return listIndex - 1;
}
WebViewImpl* AutoFillPopupMenuClient::getWebView() const
{
Frame* frame = m_textField->document()->frame();
if (!frame)
return 0;
Page* page = frame->page();
if (!page)
return 0;
return static_cast<WebViewImpl*>(page->chrome()->client()->webView());
}
RenderStyle* AutoFillPopupMenuClient::textFieldStyle() const
{
RenderStyle* style = m_textField->computedStyle();
if (!style) {
// It seems we can only have a 0 style in a TextField if the
// node is detached, in which case we the popup should not be
// showing. Please report this in http://crbug.com/7708 and
// include the page you were visiting.
ASSERT_NOT_REACHED();
}
return style;
}
} // namespace WebKit