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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WidgetUtilsGtk.h"
namespace mozilla {
namespace widget {
int32_t WidgetUtilsGTK::IsTouchDeviceSupportPresent()
{
#if GTK_CHECK_VERSION(3,4,0)
int32_t result = 0;
GdkDisplay* display = gdk_display_get_default();
if (!display) {
return 0;
}
GdkDeviceManager* manager = gdk_display_get_device_manager(display);
if (!manager) {
return 0;
}
GList* devices =
gdk_device_manager_list_devices(manager, GDK_DEVICE_TYPE_SLAVE);
GList* list = devices;
while (devices) {
GdkDevice* device = static_cast<GdkDevice*>(devices->data);
if (gdk_device_get_source(device) == GDK_SOURCE_TOUCHSCREEN) {
result = 1;
break;
}
devices = devices->next;
}
if (list) {
g_list_free(list);
}
return result;
#else
return 0;
#endif
}
} // namespace widget
} // namespace mozilla
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