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OpenRGB/PluginManager.cpp

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/*---------------------------------------------------------*\
| PluginManager.cpp |
| |
| OpenRGB plugin manager |
| |
| This file is part of the OpenRGB project |
| SPDX-License-Identifier: GPL-2.0-only |
\*---------------------------------------------------------*/
#include "LogManager.h"
#include "filesystem.h"
#include "PluginManager.h"
#include "OpenRGBThemeManager.h"
#include "SettingsManager.h"
#ifdef _WIN32
#include <Windows.h>
#endif
PluginManager::PluginManager()
{
/*---------------------------------------------------------*\
| Initialize plugin manager class variables |
\*---------------------------------------------------------*/
AddPluginCallbackVal = nullptr;
AddPluginCallbackArg = nullptr;
RemovePluginCallbackVal = nullptr;
RemovePluginCallbackArg = nullptr;
/*-------------------------------------------------------------------------*\
| Create OpenRGB plugins directory |
\*-------------------------------------------------------------------------*/
filesystem::path plugins_dir = ResourceManager::get()->GetConfigurationDirectory() / plugins_path;
filesystem::create_directories(plugins_dir);
}
void PluginManager::RegisterAddPluginCallback(AddPluginCallback new_callback, void * new_callback_arg)
{
AddPluginCallbackVal = new_callback;
AddPluginCallbackArg = new_callback_arg;
}
void PluginManager::RegisterRemovePluginCallback(RemovePluginCallback new_callback, void * new_callback_arg)
{
RemovePluginCallbackVal = new_callback;
RemovePluginCallbackArg = new_callback_arg;
}
void PluginManager::ScanAndLoadPlugins()
{
/*---------------------------------------------------------*\
| Get the user plugins directory |
| |
| The user plugins directory is a directory named "plugins" |
| in the configuration directory |
\*---------------------------------------------------------*/
filesystem::path plugins_dir = ResourceManager::get()->GetConfigurationDirectory() / plugins_path;
ScanAndLoadPluginsFrom(plugins_dir, false);
#ifdef OPENRGB_SYSTEM_PLUGIN_DIRECTORY
/*---------------------------------------------------------*\
| Get the system plugins directory |
| |
| The system plugin directory can be set during build time, |
| e.g. by the package maintainer to load plugins installed |
| via package manager |
\*---------------------------------------------------------*/
ScanAndLoadPluginsFrom(OPENRGB_SYSTEM_PLUGIN_DIRECTORY, true);
#endif
#ifdef _WIN32
/*---------------------------------------------------------*\
| Get the exe folder plugins directory (Windows) |
| |
| On Windows, system plugins are located in a folder called |
| "plugins" inside the folder where the OpenRGB.exe file is |
| installed. Typically, C:\Program Files\OpenRGB but other |
| install paths are allowed. |
\*---------------------------------------------------------*/
char path[MAX_PATH];
GetModuleFileName(NULL, path, MAX_PATH);
filesystem::path exe_dir(path);
exe_dir = exe_dir.remove_filename() / plugins_path;
ScanAndLoadPluginsFrom(exe_dir, true);
#endif
}
void PluginManager::ScanAndLoadPluginsFrom(const filesystem::path & plugins_dir, bool is_system)
{
if(is_system)
{
LOG_TRACE("[PluginManager] Scanning system plugin directory: %s", plugins_dir.generic_u8string().c_str());
}
else
{
LOG_TRACE("[PluginManager] Scanning user plugin directory: %s", plugins_dir.generic_u8string().c_str());
}
if(!filesystem::is_directory(plugins_dir))
{
return;
}
/*---------------------------------------------------------*\
| Get a list of all files in the plugins directory |
\*---------------------------------------------------------*/
for(const filesystem::directory_entry& entry: filesystem::directory_iterator(plugins_dir))
{
if(filesystem::is_directory(entry.path()))
{
continue;
}
filesystem::path plugin_path = entry.path();
LOG_TRACE("[PluginManager] Found plugin file %s", plugin_path.filename().generic_u8string().c_str());
AddPlugin(plugin_path, is_system);
}
}
void PluginManager::AddPlugin(const filesystem::path& path, bool is_system)
{
OpenRGBPluginInterface* plugin = nullptr;
unsigned int plugin_idx;
/*---------------------------------------------------------------------*\
| Search active plugins to see if this path already exists |
\*---------------------------------------------------------------------*/
for(plugin_idx = 0; plugin_idx < ActivePlugins.size(); plugin_idx++)
{
if(path == ActivePlugins[plugin_idx].path)
{
break;
}
}
/*---------------------------------------------------------------------*\
| If the path does not match an existing entry, create a new entry |
\*---------------------------------------------------------------------*/
if(plugin_idx == ActivePlugins.size())
{
/*-----------------------------------------------------------------*\
| Create a QPluginLoader and load the plugin |
\*-----------------------------------------------------------------*/
std::string path_string = path.generic_u8string();
QPluginLoader* loader = new QPluginLoader(QString::fromStdString(path_string));
QObject* instance = loader->instance();
if(!loader->isLoaded())
{
LOG_WARNING("[PluginManager] Plugin %s cannot be loaded: %s", path.c_str(), loader->errorString().toStdString().c_str());
}
/*-----------------------------------------------------------------*\
| Check that the plugin is valid, then check the API version |
\*-----------------------------------------------------------------*/
if(instance)
{
plugin = qobject_cast<OpenRGBPluginInterface*>(instance);
if(plugin)
{
if(plugin->GetPluginAPIVersion() == OPENRGB_PLUGIN_API_VERSION)
{
LOG_TRACE("[PluginManager] Plugin %s has a compatible API version", path.c_str());
/*-----------------------------------------------------*\
| Get the plugin information |
\*-----------------------------------------------------*/
OpenRGBPluginInfo info = plugin->GetPluginInfo();
/*-----------------------------------------------------*\
| Search the settings to see if it is enabled |
\*-----------------------------------------------------*/
std::string name = "";
std::string description = "";
bool enabled = true;
bool found = false;
unsigned int plugin_ct = 0;
/*-----------------------------------------------------*\
| Open plugin list and check if plugin is in the list |
\*-----------------------------------------------------*/
json plugin_settings = ResourceManager::get()->GetSettingsManager()->GetSettings("Plugins");
if(plugin_settings.contains("plugins"))
{
plugin_ct = (unsigned int)plugin_settings["plugins"].size();
for(unsigned int plugin_settings_idx = 0; plugin_settings_idx < plugin_settings["plugins"].size(); plugin_settings_idx++)
{
if(plugin_settings["plugins"][plugin_settings_idx].contains("name"))
{
name = plugin_settings["plugins"][plugin_settings_idx]["name"];
}
if(plugin_settings["plugins"][plugin_settings_idx].contains("description"))
{
description = plugin_settings["plugins"][plugin_settings_idx]["description"];
}
if(plugin_settings["plugins"][plugin_settings_idx].contains("enabled"))
{
enabled = plugin_settings["plugins"][plugin_settings_idx]["enabled"];
}
if((info.Name == name)
&&(info.Description == description))
{
found = true;
break;
}
}
}
/*-----------------------------------------------------*\
| If the plugin was not in the list, add it to the list |
| and default it to enabled, then save the settings |
\*-----------------------------------------------------*/
if(!found)
{
plugin_settings["plugins"][plugin_ct]["name"] = info.Name;
plugin_settings["plugins"][plugin_ct]["description"] = info.Description;
plugin_settings["plugins"][plugin_ct]["enabled"] = enabled;
ResourceManager::get()->GetSettingsManager()->SetSettings("Plugins", plugin_settings);
ResourceManager::get()->GetSettingsManager()->SaveSettings();
}
LOG_VERBOSE("[PluginManager] Loaded plugin %s", info.Name.c_str());
/*-----------------------------------------------------*\
| Add the plugin to the PluginManager active plugins |
\*-----------------------------------------------------*/
OpenRGBPluginEntry entry;
entry.info = info;
entry.plugin = plugin;
entry.loader = loader;
entry.path = path_string;
entry.enabled = enabled;
entry.widget = nullptr;
entry.incompatible = false;
entry.api_version = plugin->GetPluginAPIVersion();
entry.is_system = is_system;
loader->unload();
ActivePlugins.push_back(entry);
if(entry.enabled)
{
LoadPlugin(&ActivePlugins.back());
}
}
else
{
/*-----------------------------------------------------*\
| Fill in a plugin information object with text showing |
| the plugin is incompatible |
\*-----------------------------------------------------*/
OpenRGBPluginInfo info;
info.Name = "Incompatible Plugin";
info.Description = "This plugin is not compatible with this version of OpenRGB.";
/*-----------------------------------------------------*\
| Add the plugin to the PluginManager active plugins |
| but mark it as incompatible |
\*-----------------------------------------------------*/
OpenRGBPluginEntry entry;
entry.info = info;
entry.plugin = plugin;
entry.loader = loader;
entry.path = path_string;
entry.enabled = false;
entry.widget = nullptr;
entry.incompatible = true;
entry.api_version = plugin->GetPluginAPIVersion();
loader->unload();
PluginManager::ActivePlugins.push_back(entry);
bool unloaded = loader->unload();
LOG_WARNING("[PluginManager] Plugin %s has an incompatible API version", path.c_str());
if(!unloaded)
{
LOG_WARNING("[PluginManager] Plugin %s cannot be unloaded", path.c_str());
}
}
}
else
{
LOG_WARNING("[PluginManager] Plugin %s cannot be casted to OpenRGBPluginInterface", path.c_str());
}
}
else
{
LOG_WARNING("[PluginManager] Plugin %s cannot be instantiated.", path.c_str());
}
}
}
void PluginManager::RemovePlugin(const filesystem::path& path)
{
unsigned int plugin_idx;
LOG_TRACE("[PluginManager] Attempting to remove plugin %s", path.c_str());
/*---------------------------------------------------------------------*\
| Search active plugins to see if this path already exists |
\*---------------------------------------------------------------------*/
for(plugin_idx = 0; plugin_idx < ActivePlugins.size(); plugin_idx++)
{
if(path == ActivePlugins[plugin_idx].path)
{
break;
}
}
/*---------------------------------------------------------------------*\
| If the plugin path does not exist in the active plugins list, return |
\*---------------------------------------------------------------------*/
if(plugin_idx == ActivePlugins.size())
{
LOG_TRACE("[PluginManager] Plugin %s not active", path.c_str());
return;
}
/*---------------------------------------------------------------------*\
| If the selected plugin is in the list and loaded, unload it |
\*---------------------------------------------------------------------*/
if(ActivePlugins[plugin_idx].loader->isLoaded())
{
LOG_TRACE("[PluginManager] Plugin %s is active, unloading", path.c_str());
UnloadPlugin(&ActivePlugins[plugin_idx]);
}
/*---------------------------------------------------------------------*\
| Remove the plugin from the active plugins list |
\*---------------------------------------------------------------------*/
ActivePlugins.erase(ActivePlugins.begin() + plugin_idx);
}
void PluginManager::EnablePlugin(const filesystem::path& path)
{
unsigned int plugin_idx;
/*---------------------------------------------------------------------*\
| Search active plugins to see if this path already exists |
\*---------------------------------------------------------------------*/
for(plugin_idx = 0; plugin_idx < ActivePlugins.size(); plugin_idx++)
{
if(path == ActivePlugins[plugin_idx].path)
{
break;
}
}
/*---------------------------------------------------------------------*\
| If the plugin path does not exist in the active plugins list, return |
\*---------------------------------------------------------------------*/
if(plugin_idx == ActivePlugins.size())
{
return;
}
ActivePlugins[plugin_idx].enabled = true;
LoadPlugin(&ActivePlugins[plugin_idx]);
}
void PluginManager::LoadPlugin(OpenRGBPluginEntry* plugin_entry)
{
/*---------------------------------------------------------------------*\
| If the plugin is in the list but is incompatible, return |
\*---------------------------------------------------------------------*/
if(plugin_entry->incompatible)
{
return;
}
/*---------------------------------------------------------------------*\
| If the selected plugin is in the list but not loaded, load it |
\*---------------------------------------------------------------------*/
if(!plugin_entry->loader->isLoaded())
{
plugin_entry->loader->load();
QObject* instance = plugin_entry->loader->instance();
bool dark_theme = OpenRGBThemeManager::IsDarkTheme();
if(instance)
{
OpenRGBPluginInterface* plugin = qobject_cast<OpenRGBPluginInterface*>(instance);
if(plugin)
{
if(plugin->GetPluginAPIVersion() == OPENRGB_PLUGIN_API_VERSION)
{
plugin_entry->plugin = plugin;
plugin->Load(dark_theme, ResourceManager::get());
/*-------------------------------------------------*\
| Call the Add Plugin callback |
\*-------------------------------------------------*/
if(AddPluginCallbackArg != nullptr)
{
AddPluginCallbackVal(AddPluginCallbackArg, plugin_entry);
}
}
}
}
}
}
void PluginManager::DisablePlugin(const filesystem::path& path)
{
unsigned int plugin_idx;
/*---------------------------------------------------------------------*\
| Search active plugins to see if this path already exists |
\*---------------------------------------------------------------------*/
for(plugin_idx = 0; plugin_idx < ActivePlugins.size(); plugin_idx++)
{
if(path == ActivePlugins[plugin_idx].path)
{
break;
}
}
/*---------------------------------------------------------------------*\
| If the plugin path does not exist in the active plugins list, return |
\*---------------------------------------------------------------------*/
if(plugin_idx == ActivePlugins.size())
{
return;
}
ActivePlugins[plugin_idx].enabled = false;
UnloadPlugin(&ActivePlugins[plugin_idx]);
}
void PluginManager::UnloadPlugin(OpenRGBPluginEntry* plugin_entry)
{
/*---------------------------------------------------------------------*\
| If the selected plugin is in the list and loaded, unload it |
\*---------------------------------------------------------------------*/
if(plugin_entry->loader->isLoaded())
{
/*-------------------------------------------------*\
| Call plugin's Unload function before GUI removal |
\*-------------------------------------------------*/
plugin_entry->plugin->Unload();
/*-------------------------------------------------*\
| Call the Remove Plugin callback |
\*-------------------------------------------------*/
if(RemovePluginCallbackVal != nullptr)
{
RemovePluginCallbackVal(RemovePluginCallbackArg, plugin_entry);
}
bool unloaded = plugin_entry->loader->unload();
if(!unloaded)
{
LOG_WARNING("[PluginManager] Plugin %s cannot be unloaded", plugin_entry->path.c_str());
}
else
{
LOG_TRACE("[PluginManager] Plugin %s successfully unloaded", plugin_entry->path.c_str());
}
}
else
{
LOG_TRACE("[PluginManager] Plugin %s was already unloaded", plugin_entry->path.c_str());
}
}
void PluginManager::LoadPlugins()
{
for(OpenRGBPluginEntry& plugin_entry: ActivePlugins)
{
if(plugin_entry.enabled)
{
LoadPlugin(&plugin_entry);
}
}
}
void PluginManager::UnloadPlugins()
{
for(OpenRGBPluginEntry& plugin_entry: ActivePlugins)
{
UnloadPlugin(&plugin_entry);
}
}
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