obs-StreamFX/source/ui/ui-obs-browser-widget.cpp

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// AUTOGENERATED COPYRIGHT HEADER START
// Copyright (C) 2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
// AUTOGENERATED COPYRIGHT HEADER END
#include "ui-obs-browser-widget.hpp"
#include "warning-disable.hpp"
#include <QGridLayout>
#include <QLabel>
#include <mutex>
#include <stdexcept>
#ifdef D_PLATFORM_LINUX
#include <errno.h>
#include <stdlib.h>
#endif
#include "warning-enable.hpp"
#include "plugin.hpp"
streamfx::ui::obs_browser_cef::obs_browser_cef()
{
// Load the "obs-browser" module.
_module = util::library::load(obs_get_module("obs-browser"));
auto fn = reinterpret_cast<streamfx::obs::QCef* (*)(void)>(_module->load_symbol("obs_browser_create_qcef"));
if (!fn) {
throw std::runtime_error("Failed to load obs-browser module.");
}
// Create a QCef instance and initialize it.
_cef = fn();
if (!_cef) {
throw std::runtime_error("Failed to create or get QCef instance.");
}
_cef->init_browser();
_cef->wait_for_browser_init();
// Create a generic Cookie manager for widgets.
_cookie = _cef->create_cookie_manager(streamfx::config_file_path("cookies").u8string(), false);
}
streamfx::ui::obs_browser_cef::~obs_browser_cef()
{
delete _cookie;
delete _cef;
}
streamfx::obs::QCef* streamfx::ui::obs_browser_cef::cef()
{
return _cef;
}
streamfx::obs::QCefCookieManager* streamfx::ui::obs_browser_cef::cookie_manager()
{
return _cookie;
}
std::shared_ptr<streamfx::ui::obs_browser_cef> streamfx::ui::obs_browser_cef::instance()
{
static std::weak_ptr<obs_browser_cef> ptr;
static std::mutex lock;
std::lock_guard<decltype(lock)> lg(lock);
if (!ptr.expired()) {
return ptr.lock();
}
std::shared_ptr<obs_browser_cef> sintance{new obs_browser_cef()};
ptr = sintance;
return sintance;
}
streamfx::ui::obs_browser_widget::obs_browser_widget(QUrl url, QWidget* parent) : QWidget(parent)
{
// Create Layout
auto layout = new QGridLayout(this);
layout->setContentsMargins(0, 0, 0, 0);
layout->setSpacing(0);
// Create CEF Widget
_cef = obs_browser_cef::instance();
_widget = _cef->cef()->create_widget(this, url.toString().toStdString(), _cef->cookie_manager());
if (!_widget) {
throw std::runtime_error("Failed to create CEF Widget.");
}
_widget->allowAllPopups(false);
_widget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
layout->addWidget(_widget, 0, 0);
// This fixes a strange issue where Qt just does not update the size of the QCefWidget.
// I do not know why this is, all I know is that this is absolutely necessary for QCefWidget.
auto test = new QWidget(this);
test->setFixedSize(0, 0);
layout->addWidget(test, 1, 0);
}
streamfx::ui::obs_browser_widget::~obs_browser_widget() {}
streamfx::obs::QCefWidget* streamfx::ui::obs_browser_widget::cefwidget()
{
return _widget;
}
void streamfx::ui::obs_browser_widget::set_url(QUrl url)
{
_widget->setURL(url.toString().toStdString());
}
bool streamfx::ui::obs_browser_widget::is_available()
{
#ifdef D_PLATFORM_LINUX
const char env_key[] = "XDG_SESSION_TYPE";
const char wayland[] = "wayland";
#ifdef __STDC_LIB_EXT1__
char env_value[2048];
size_t env_value_len = sizeof(env_value);
if (getenv_s(&env_value_len, env_value, sizeof(env_key), env_key) == 0) {
if (sizeof(wayland) == env_value_len) {
if (strncmp(wayland, env_value, sizeof(wayland)) == 0) {
return false;
}
}
}
#else
const char* env_value = getenv(env_key);
if (strncmp(env_value, wayland, sizeof(wayland)) == 0) {
return false;
}
#endif
#endif
return true;
}