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/*
* Copyright (C) 2006-2021 Apple Inc. All rights reserved.
* Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
* Copyright (C) 2008 Christian Dywan <christian@imendio.com>
* Copyright (C) 2008 Collabora Ltd.
* Copyright (C) 2009 Holger Hans Peter Freyther
* 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. ``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
* 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 "DestinationColorSpace.h"
#include "FloatRect.h"
#include "HostWindow.h"
#include "LocalFrameView.h"
#include "ScreenProperties.h"
#include "SystemSettings.h"
#include "Widget.h"
#include <gtk/gtk.h>
namespace WebCore {
static PlatformDisplayID widgetDisplayID(Widget* widget)
{
if (!widget)
return 0;
auto* view = widget->root();
if (!view)
return 0;
auto* hostWindow = view->hostWindow();
if (!hostWindow)
return 0;
return hostWindow->displayID();
}
int screenDepth(Widget* widget)
{
auto* data = screenData(widgetDisplayID(widget));
return data ? data->screenDepth : 24;
}
int screenDepthPerComponent(Widget* widget)
{
auto* data = screenData(widgetDisplayID(widget));
return data ? data->screenDepthPerComponent : 8;
}
bool screenIsMonochrome(Widget* widget)
{
return screenDepth(widget) < 2;
}
DestinationColorSpace screenColorSpace(Widget*)
{
return DestinationColorSpace::SRGB();
}
bool screenHasInvertedColors()
{
return false;
}
double fontDPI()
{
#if !USE(GTK4)
// The code in this conditionally-compiled block is needed in order to
// respect the GDK_DPI_SCALE setting that was present in GTK3 as an
// additional font scaling factor.
if (auto* display = gdk_display_get_default()) {
if (auto* screen = gdk_display_get_default_screen(display))
return gdk_screen_get_resolution(screen);
}
#endif
auto xftDPI = SystemSettings::singleton().xftDPI();
if (xftDPI)
return xftDPI.value() / 1024.0;
auto* data = screenData(primaryScreenDisplayID());
return data ? data->dpi : 96.;
}
double screenDPI(PlatformDisplayID screendisplayID)
{
auto* data = screenData(screendisplayID);
return data ? data->dpi : 96.;
}
FloatRect screenRect(Widget* widget)
{
if (auto* data = screenData(widgetDisplayID(widget)))
return data->screenRect;
return { };
}
FloatRect screenAvailableRect(Widget* widget)
{
if (auto* data = screenData(widgetDisplayID(widget)))
return data->screenAvailableRect;
return { };
}
bool screenSupportsExtendedColor(Widget*)
{
return false;
}
#if ENABLE(TOUCH_EVENTS)
bool screenHasTouchDevice()
{
auto* display = gdk_display_get_default();
if (!display)
return true;
auto* seat = gdk_display_get_default_seat(display);
return seat ? gdk_seat_get_capabilities(seat) & GDK_SEAT_CAPABILITY_TOUCH : true;
}
bool screenIsTouchPrimaryInputDevice()
{
auto* display = gdk_display_get_default();
if (!display)
return true;
auto* seat = gdk_display_get_default_seat(display);
if (!seat)
return true;
auto* device = gdk_seat_get_pointer(seat);
return device ? gdk_device_get_source(device) == GDK_SOURCE_TOUCHSCREEN : true;
}
#endif // ENABLE(TOUCH_EVENTS)
} // namespace WebCore
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