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/*
* Copyright (C) 2010 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "WebPopupMenu.h"
#include "PlatformPopupMenuData.h"
#include <WebCore/Font.h>
#include <WebCore/GraphicsContext.h>
#include <WebCore/TextRun.h>
#include <WebCore/PopupMenuClient.h>
#include <WebCore/PopupMenuStyle.h>
#include <WebCore/RenderTheme.h>
using namespace WebCore;
namespace WebKit {
static const int separatorPadding = 4;
static const int separatorHeight = 1;
static const int popupWindowBorderWidth = 1;
void WebPopupMenu::setUpPlatformData(const WebCore::IntRect& pageCoordinates, PlatformPopupMenuData& data)
{
int itemCount = m_popupClient->listSize();
data.m_clientPaddingLeft = m_popupClient->clientPaddingLeft();
data.m_clientPaddingRight = m_popupClient->clientPaddingRight();
data.m_clientInsetLeft = m_popupClient->clientInsetLeft();
data.m_clientInsetRight = m_popupClient->clientInsetRight();
data.m_itemHeight = m_popupClient->menuStyle().font().height() + 1;
int popupWidth = 0;
for (size_t i = 0; i < itemCount; ++i) {
String text = m_popupClient->itemText(i);
if (text.isEmpty())
continue;
Font itemFont = m_popupClient->menuStyle().font();
if (m_popupClient->itemIsLabel(i)) {
FontDescription d = itemFont.fontDescription();
d.setWeight(d.bolderWeight());
itemFont = Font(d, itemFont.letterSpacing(), itemFont.wordSpacing());
itemFont.update(m_popupClient->fontSelector());
}
popupWidth = std::max(popupWidth, itemFont.width(TextRun(text.characters(), text.length())));
}
// FIXME: popupWidth should probably take into account monitor constraints as is done with WebPopupMenuProxyWin::calculatePositionAndSize.
popupWidth += max(0, data.m_clientPaddingRight - data.m_clientInsetRight) + max(0, data.m_clientPaddingLeft - data.m_clientInsetLeft);
popupWidth += 2 * popupWindowBorderWidth;
data.m_popupWidth = popupWidth;
// The backing stores should be drawn at least as wide as the control on the page to match the width of the popup window we'll create.
int backingStoreWidth = max(pageCoordinates.width() - m_popupClient->clientInsetLeft() - m_popupClient->clientInsetRight(), popupWidth);
data.m_backingStoreSize = IntSize(backingStoreWidth, (itemCount * data.m_itemHeight));
data.m_notSelectedBackingStore = ShareableBitmap::createShareable(data.m_backingStoreSize);
data.m_selectedBackingStore = ShareableBitmap::createShareable(data.m_backingStoreSize);
OwnPtr<GraphicsContext> notSelectedBackingStoreContext = data.m_notSelectedBackingStore->createGraphicsContext();
OwnPtr<GraphicsContext> selectedBackingStoreContext = data.m_selectedBackingStore->createGraphicsContext();
Color activeOptionBackgroundColor = RenderTheme::defaultTheme()->activeListBoxSelectionBackgroundColor();
Color activeOptionTextColor = RenderTheme::defaultTheme()->activeListBoxSelectionForegroundColor();
for (int y = 0; y < data.m_backingStoreSize.height(); y += data.m_itemHeight) {
int index = y / data.m_itemHeight;
PopupMenuStyle itemStyle = m_popupClient->itemStyle(index);
Color optionBackgroundColor = itemStyle.backgroundColor();
Color optionTextColor = itemStyle.foregroundColor();
IntRect itemRect(0, y, backingStoreWidth, data.m_itemHeight);
// Draw the background for this menu item
if (itemStyle.isVisible()) {
notSelectedBackingStoreContext->fillRect(itemRect, optionBackgroundColor, ColorSpaceDeviceRGB);
selectedBackingStoreContext->fillRect(itemRect, activeOptionBackgroundColor, ColorSpaceDeviceRGB);
}
if (m_popupClient->itemIsSeparator(index)) {
IntRect separatorRect(itemRect.x() + separatorPadding, itemRect.y() + (itemRect.height() - separatorHeight) / 2, itemRect.width() - 2 * separatorPadding, separatorHeight);
notSelectedBackingStoreContext->fillRect(separatorRect, optionTextColor, ColorSpaceDeviceRGB);
selectedBackingStoreContext->fillRect(separatorRect, activeOptionTextColor, ColorSpaceDeviceRGB);
continue;
}
String itemText = m_popupClient->itemText(index);
unsigned length = itemText.length();
const UChar* string = itemText.characters();
TextRun textRun(string, length, false, 0, 0, itemText.defaultWritingDirection() == WTF::Unicode::RightToLeft);
notSelectedBackingStoreContext->setFillColor(optionTextColor, ColorSpaceDeviceRGB);
selectedBackingStoreContext->setFillColor(activeOptionTextColor, ColorSpaceDeviceRGB);
Font itemFont = m_popupClient->menuStyle().font();
if (m_popupClient->itemIsLabel(index)) {
FontDescription d = itemFont.fontDescription();
d.setWeight(d.bolderWeight());
itemFont = Font(d, itemFont.letterSpacing(), itemFont.wordSpacing());
itemFont.update(m_popupClient->fontSelector());
}
// Draw the item text
if (itemStyle.isVisible()) {
int textX = std::max(0, data.m_clientPaddingLeft - data.m_clientInsetLeft);
if (RenderTheme::defaultTheme()->popupOptionSupportsTextIndent() && itemStyle.textDirection() == LTR)
textX += itemStyle.textIndent().calcMinValue(itemRect.width());
int textY = itemRect.y() + itemFont.ascent() + (itemRect.height() - itemFont.height()) / 2;
notSelectedBackingStoreContext->drawBidiText(itemFont, textRun, IntPoint(textX, textY));
selectedBackingStoreContext->drawBidiText(itemFont, textRun, IntPoint(textX, textY));
}
}
}
} // namespace WebKit
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