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/*
* Copyright (C) 2024 Igalia S.L.
*
* 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 "ScreenManager.h"
#if PLATFORM(WPE) && ENABLE(WPE_PLATFORM)
#include <WebCore/PlatformScreen.h>
#include <cmath>
#include <wpe/wpe-platform.h>
namespace WebKit {
using namespace WebCore;
PlatformDisplayID ScreenManager::generatePlatformDisplayID(WPEScreen* screen)
{
return wpe_screen_get_id(screen);
}
ScreenManager::ScreenManager()
{
auto* display = wpe_display_get_primary();
auto screensCount = wpe_display_get_n_screens(display);
for (unsigned i = 0; i < screensCount; ++i) {
if (auto* screen = wpe_display_get_screen(display, i))
addScreen(screen);
}
g_signal_connect(display, "screen-added", G_CALLBACK(+[](WPEDisplay*, WPEScreen* screen, ScreenManager* manager) {
manager->addScreen(screen);
manager->updatePrimaryDisplayID();
manager->propertiesDidChange();
}), this);
g_signal_connect(display, "screen-removed", G_CALLBACK(+[](WPEDisplay*, WPEScreen* screen, ScreenManager* manager) {
manager->removeScreen(screen);
manager->updatePrimaryDisplayID();
manager->propertiesDidChange();
}), this);
}
void ScreenManager::updatePrimaryDisplayID()
{
// Assume the first screen is the primary one.
auto* display = wpe_display_get_primary();
auto screensCount = wpe_display_get_n_screens(display);
auto* screen = screensCount ? wpe_display_get_screen(display, 0) : nullptr;
m_primaryDisplayID = screen ? displayID(screen) : 0;
}
ScreenProperties ScreenManager::collectScreenProperties() const
{
ScreenProperties properties;
properties.primaryDisplayID = m_primaryDisplayID;
for (const auto& iter : m_screenToDisplayIDMap) {
WPEScreen* screen = iter.key;
auto width = wpe_screen_get_width(screen);
auto height = wpe_screen_get_height(screen);
ScreenData data;
data.screenRect = FloatRect(wpe_screen_get_x(screen), wpe_screen_get_y(screen), width, height);
data.screenAvailableRect = data.screenRect;
data.screenDepth = 24;
data.screenDepthPerComponent = 8;
data.screenSize = { wpe_screen_get_physical_width(screen), wpe_screen_get_physical_height(screen) };
static constexpr double millimetresPerInch = 25.4;
double diagonalInPixels = std::hypot(width, height);
double diagonalInInches = std::hypot(data.screenSize.width(), data.screenSize.height()) / millimetresPerInch;
data.dpi = diagonalInPixels / diagonalInInches;
properties.screenDataMap.add(iter.value, WTFMove(data));
}
// FIXME: don't use PlatformScreen from the UI process, better use ScreenManager directly.
WebCore::setScreenProperties(properties);
return properties;
}
} // namespace WebKit
#endif // PLATFORM(WPE) && ENABLE(WPE_PLATFORM)
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