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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"
#include "mozilla/UniquePtr.h"
#include "nsReadableUtils.h"
#include "nsWindow.h"
#include <gtk/gtk.h>
#include <dlfcn.h>
#include <glib.h>
namespace mozilla::widget {
int32_t WidgetUtilsGTK::IsTouchDeviceSupportPresent() {
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;
}
bool IsMainWindowTransparent() {
return nsWindow::IsToplevelWindowTransparent();
}
// We avoid linking gdk_*_display_get_type directly in order to avoid a runtime
// dependency on GTK built with both backends. Other X11- and Wayland-specific
// functions get stubbed out by libmozgtk and crash when called, but those
// should only be called when the matching backend is already in use.
bool GdkIsWaylandDisplay(GdkDisplay* display) {
static auto sGdkWaylandDisplayGetType =
(GType(*)())dlsym(RTLD_DEFAULT, "gdk_wayland_display_get_type");
return sGdkWaylandDisplayGetType &&
G_TYPE_CHECK_INSTANCE_TYPE(display, sGdkWaylandDisplayGetType());
}
bool GdkIsX11Display(GdkDisplay* display) {
static auto sGdkX11DisplayGetType =
(GType(*)())dlsym(RTLD_DEFAULT, "gdk_x11_display_get_type");
return sGdkX11DisplayGetType &&
G_TYPE_CHECK_INSTANCE_TYPE(display, sGdkX11DisplayGetType());
}
bool GdkIsWaylandDisplay() {
static bool isWaylandDisplay = gdk_display_get_default() &&
GdkIsWaylandDisplay(gdk_display_get_default());
return isWaylandDisplay;
}
bool GdkIsX11Display() {
static bool isX11Display = gdk_display_get_default()
? GdkIsX11Display(gdk_display_get_default())
: false;
return isX11Display;
}
nsTArray<nsCString> ParseTextURIList(const nsACString& aData) {
UniquePtr<char[]> data(ToNewCString(aData));
gchar** uris = g_uri_list_extract_uris(data.get());
nsTArray<nsCString> result;
for (size_t i = 0; i < g_strv_length(uris); i++) {
result.AppendElement(nsCString(uris[i]));
}
g_strfreev(uris);
return result;
}
} // namespace mozilla::widget