0be6d925dc
Which means that reduz' beloved style which we all became used to will now be changed automatically to remove the first empty line. This makes us lean closer to 1TBS (the one true brace style) instead of hybridating it with some Allman-inspired spacing. There's still the case of braces around single-statement blocks that needs to be addressed (but clang-format can't help with that, but clang-tidy may if we agree about it). Part of #33027.
257 lines
7.8 KiB
C++
257 lines
7.8 KiB
C++
/*************************************************************************/
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/* os_javascript.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "os_javascript.h"
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#include "core/debugger/engine_debugger.h"
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#include "core/io/file_access_buffered_fa.h"
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#include "core/io/json.h"
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#include "drivers/unix/dir_access_unix.h"
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#include "drivers/unix/file_access_unix.h"
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#include "main/main.h"
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#include "modules/modules_enabled.gen.h"
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#include "platform/javascript/display_server_javascript.h"
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#ifdef MODULE_WEBSOCKET_ENABLED
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#include "modules/websocket/remote_debugger_peer_websocket.h"
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#endif
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#include <emscripten.h>
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#include <stdlib.h>
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bool OS_JavaScript::has_touchscreen_ui_hint() const {
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/* clang-format off */
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return EM_ASM_INT_V(
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return 'ontouchstart' in window;
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);
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/* clang-format on */
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}
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// Audio
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int OS_JavaScript::get_audio_driver_count() const {
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return 1;
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}
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const char *OS_JavaScript::get_audio_driver_name(int p_driver) const {
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return "JavaScript";
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}
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// Lifecycle
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void OS_JavaScript::initialize() {
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OS_Unix::initialize_core();
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FileAccess::make_default<FileAccessBufferedFA<FileAccessUnix>>(FileAccess::ACCESS_RESOURCES);
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DisplayServerJavaScript::register_javascript_driver();
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#ifdef MODULE_WEBSOCKET_ENABLED
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EngineDebugger::register_uri_handler("ws://", RemoteDebuggerPeerWebSocket::create);
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EngineDebugger::register_uri_handler("wss://", RemoteDebuggerPeerWebSocket::create);
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#endif
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char locale_ptr[16];
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/* clang-format off */
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EM_ASM({
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stringToUTF8(Module['locale'], $0, 16);
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}, locale_ptr);
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/* clang-format on */
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setenv("LANG", locale_ptr, true);
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}
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void OS_JavaScript::resume_audio() {
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audio_driver_javascript.resume();
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}
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void OS_JavaScript::set_main_loop(MainLoop *p_main_loop) {
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main_loop = p_main_loop;
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}
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MainLoop *OS_JavaScript::get_main_loop() const {
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return main_loop;
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}
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void OS_JavaScript::main_loop_callback() {
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get_singleton()->main_loop_iterate();
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}
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bool OS_JavaScript::main_loop_iterate() {
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if (is_userfs_persistent() && sync_wait_time >= 0) {
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int64_t current_time = get_ticks_msec();
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int64_t elapsed_time = current_time - last_sync_check_time;
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last_sync_check_time = current_time;
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sync_wait_time -= elapsed_time;
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if (sync_wait_time < 0) {
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/* clang-format off */
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EM_ASM(
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FS.syncfs(function(error) {
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if (error) { err('Failed to save IDB file system: ' + error.message); }
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});
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);
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/* clang-format on */
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}
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}
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DisplayServer::get_singleton()->process_events();
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return Main::iteration();
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}
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void OS_JavaScript::delete_main_loop() {
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if (main_loop) {
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memdelete(main_loop);
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}
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main_loop = nullptr;
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}
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void OS_JavaScript::finalize_async() {
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finalizing = true;
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audio_driver_javascript.finish_async();
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}
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void OS_JavaScript::finalize() {
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delete_main_loop();
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}
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// Miscellaneous
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Error OS_JavaScript::execute(const String &p_path, const List<String> &p_arguments, bool p_blocking, ProcessID *r_child_id, String *r_pipe, int *r_exitcode, bool read_stderr, Mutex *p_pipe_mutex) {
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Array args;
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for (const List<String>::Element *E = p_arguments.front(); E; E = E->next()) {
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args.push_back(E->get());
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}
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String json_args = JSON::print(args);
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/* clang-format off */
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int failed = EM_ASM_INT({
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const json_args = UTF8ToString($0);
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const args = JSON.parse(json_args);
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if (Module["onExecute"]) {
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Module["onExecute"](args);
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return 0;
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}
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return 1;
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}, json_args.utf8().get_data());
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/* clang-format on */
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ERR_FAIL_COND_V_MSG(failed, ERR_UNAVAILABLE, "OS::execute() must be implemented in JavaScript via 'engine.setOnExecute' if required.");
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return OK;
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}
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Error OS_JavaScript::kill(const ProcessID &p_pid) {
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ERR_FAIL_V_MSG(ERR_UNAVAILABLE, "OS::kill() is not available on the HTML5 platform.");
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}
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int OS_JavaScript::get_process_id() const {
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ERR_FAIL_V_MSG(0, "OS::get_process_id() is not available on the HTML5 platform.");
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}
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bool OS_JavaScript::_check_internal_feature_support(const String &p_feature) {
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if (p_feature == "HTML5" || p_feature == "web")
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return true;
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#ifdef JAVASCRIPT_EVAL_ENABLED
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if (p_feature == "JavaScript")
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return true;
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#endif
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return false;
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}
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String OS_JavaScript::get_executable_path() const {
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return OS::get_executable_path();
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}
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Error OS_JavaScript::shell_open(String p_uri) {
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// Open URI in a new tab, browser will deal with it by protocol.
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/* clang-format off */
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EM_ASM_({
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window.open(UTF8ToString($0), '_blank');
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}, p_uri.utf8().get_data());
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/* clang-format on */
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return OK;
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}
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String OS_JavaScript::get_name() const {
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return "HTML5";
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}
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bool OS_JavaScript::can_draw() const {
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return true; // Always?
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}
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String OS_JavaScript::get_user_data_dir() const {
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return "/userfs";
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};
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String OS_JavaScript::get_cache_path() const {
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return "/home/web_user/.cache";
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}
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String OS_JavaScript::get_config_path() const {
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return "/home/web_user/.config";
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}
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String OS_JavaScript::get_data_path() const {
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return "/home/web_user/.local/share";
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}
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void OS_JavaScript::file_access_close_callback(const String &p_file, int p_flags) {
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OS_JavaScript *os = get_singleton();
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if (os->is_userfs_persistent() && p_file.begins_with("/userfs") && p_flags & FileAccess::WRITE) {
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os->last_sync_check_time = OS::get_singleton()->get_ticks_msec();
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// Wait five seconds in case more files are about to be closed.
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os->sync_wait_time = 5000;
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}
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}
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void OS_JavaScript::set_idb_available(bool p_idb_available) {
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idb_available = p_idb_available;
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}
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bool OS_JavaScript::is_userfs_persistent() const {
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return idb_available;
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}
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OS_JavaScript *OS_JavaScript::get_singleton() {
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return static_cast<OS_JavaScript *>(OS::get_singleton());
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}
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void OS_JavaScript::initialize_joypads() {
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}
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OS_JavaScript::OS_JavaScript() {
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AudioDriverManager::add_driver(&audio_driver_javascript);
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Vector<Logger *> loggers;
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loggers.push_back(memnew(StdLogger));
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_set_logger(memnew(CompositeLogger(loggers)));
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FileAccessUnix::close_notification_func = file_access_close_callback;
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}
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