--- /dev/null
+/*
+ * Copyright (C) 2017 Simon Fels <morphis@gravedo.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "anbox/ui/splash_screen.h"
+#include "anbox/system_configuration.h"
+#include "anbox/utils.h"
+#include "anbox/logger.h"
+
+#include <SDL2/SDL_image.h>
+
+namespace anbox {
+namespace ui {
+SplashScreen::SplashScreen() {
+#ifdef SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR
+ // Don't disable compositing
+ // Available since SDL 2.0.8
+ SDL_SetHint(SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR, "0");
+#endif
+
+ if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS) < 0) {
+ const auto message = utils::string_format("Failed to initialize SDL: %s", SDL_GetError());
+ BOOST_THROW_EXCEPTION(std::runtime_error(message));
+ }
+
+ const auto width = 1024, height = 768;
+ window_ = SDL_CreateWindow("", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
+ width, height, SDL_WINDOW_OPENGL | SDL_WINDOW_BORDERLESS);
+ if (!window_) {
+ const auto message = utils::string_format("Failed to create window: %s", SDL_GetError());
+ BOOST_THROW_EXCEPTION(std::runtime_error(message));
+ }
+
+ auto surface = SDL_GetWindowSurface(window_);
+ if (!surface)
+ BOOST_THROW_EXCEPTION(std::runtime_error("Could not retrieve surface for our window"));
+
+ SDL_FillRect(surface, nullptr, SDL_MapRGB(surface->format, 0xee, 0xee, 0xee));
+ SDL_UpdateWindowSurface(window_);
+
+ auto renderer = SDL_GetRenderer(window_);
+ if (!renderer) {
+ DEBUG("Window has no associated renderer yet, creating one ...");
+ renderer = SDL_CreateRenderer(window_, -1, SDL_RENDERER_ACCELERATED);
+ if (!renderer) {
+ const auto msg = utils::string_format("Could not create renderer: %s", SDL_GetError());
+ BOOST_THROW_EXCEPTION(std::runtime_error(msg));
+ }
+ }
+
+ const auto icon_path = utils::string_format("%s/ui/loading-screen.png", SystemConfiguration::instance().resource_dir());
+ auto img = IMG_LoadTexture(renderer, icon_path.c_str());
+ if (!img) {
+ const auto msg = utils::string_format("Failed to create texture from %s", icon_path);
+ BOOST_THROW_EXCEPTION(std::runtime_error(msg));
+ }
+
+ SDL_RenderClear(renderer);
+
+ SDL_Rect r{0, 0, width, height};
+ SDL_RenderCopy(renderer, img, nullptr, &r);
+ SDL_RenderPresent(renderer);
+
+ SDL_ShowWindow(window_);
+
+ event_thread_ = std::thread(&SplashScreen::process_events, this);
+}
+
+SplashScreen::~SplashScreen() {
+ if (event_thread_running_) {
+ event_thread_running_ = false;
+ if (event_thread_.joinable())
+ event_thread_.join();
+ }
+
+ if (window_)
+ SDL_DestroyWindow(window_);
+}
+
+void SplashScreen::process_events() {
+ event_thread_running_ = true;
+ while (event_thread_running_) {
+ SDL_Event event;
+ while (SDL_WaitEventTimeout(&event, 100)) {
+ // Keep running until we're terminated
+ }
+ }
+}
+} // namespace ui
+} // namespace anbox