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/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2008 Holger Hans Peter Freyther
*
* 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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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 "config.h"
#include "PlatformScreen.h"
#include "FloatRect.h"
#include "Frame.h"
#include "FrameView.h"
#include "HostWindow.h"
#include "Widget.h"
#include "QWebPageClient.h"
#include <QApplication>
#include <QDesktopWidget>
namespace WebCore {
static int screenNumber(Widget* w)
{
if (!w)
return 0;
QWebPageClient* client = w->root()->hostWindow()->platformPageClient();
return client ? client->screenNumber() : 0;
}
int screenDepth(Widget* w)
{
return QApplication::desktop()->screen(screenNumber(w))->depth();
}
int screenDepthPerComponent(Widget* w)
{
int depth = QApplication::desktop()->screen(0)->depth();
if (w) {
QWebPageClient* client = w->root()->hostWindow()->platformPageClient();
if (client) {
QWidget* view = client->ownerWidget();
if (view)
depth = view->depth();
}
}
// An interface to establish the actual number of bits per color
// doesn't exist in Qt, or probably at all, so use common-sense
// values for each screen depth and assume RGB/RGBA where appropriate.
// Per http://www.w3.org/TR/css3-mediaqueries/#color, 'If different color
// components are represented by different number of bits, the smallest
// number is used.'
switch (depth) {
case 8:
return 2;
case 32:
return 8;
default:
return qRound(depth / 3);
}
}
bool screenIsMonochrome(Widget* w)
{
return QApplication::desktop()->screen(screenNumber(w))->numColors() < 2;
}
FloatRect screenRect(Widget* w)
{
QRect r = QApplication::desktop()->screenGeometry(screenNumber(w));
return FloatRect(r.x(), r.y(), r.width(), r.height());
}
FloatRect screenAvailableRect(Widget* w)
{
QRect r = QApplication::desktop()->availableGeometry(screenNumber(w));
return FloatRect(r.x(), r.y(), r.width(), r.height());
}
} // namespace WebCore
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