115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
/**
|
|
* @file llviewerpluginmanager.h
|
|
* @brief Client interface to the plugin engine
|
|
*
|
|
* $LicenseInfo:firstyear=2007&license=viewergpl$
|
|
*
|
|
* Copyright (c) 2007-2010, Linden Research, Inc.
|
|
*
|
|
* Second Life Viewer Source Code
|
|
* The source code in this file ("Source Code") is provided by Linden Lab
|
|
* to you under the terms of the GNU General Public License, version 2.0
|
|
* ("GPL"), unless you have obtained a separate licensing agreement
|
|
* ("Other License"), formally executed by you and Linden Lab. Terms of
|
|
* the GPL can be found in doc/GPL-license.txt in this distribution, or
|
|
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
|
|
*
|
|
* There are special exceptions to the terms and conditions of the GPL as
|
|
* it is applied to this Source Code. View the full text of the exception
|
|
* in the file doc/FLOSS-exception.txt in this software distribution, or
|
|
* online at
|
|
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
|
|
*
|
|
* By copying, modifying or distributing this software, you acknowledge
|
|
* that you have read and understood your obligations described above,
|
|
* and agree to abide by those obligations.
|
|
*
|
|
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
|
|
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
|
|
* COMPLETENESS OR PERFORMANCE.
|
|
* $/LicenseInfo$
|
|
*/
|
|
|
|
#ifndef LLVIEWERPLUGINMANAGER_H
|
|
#define LLVIEWERPLUGINMANAGER_H
|
|
|
|
#include <string>
|
|
#include "llmemory.h"
|
|
#include "llerror.h"
|
|
#include "lldir.h"
|
|
#include "llfile.h"
|
|
#include "llviewercontrol.h"
|
|
#include "llpluginclassbasic.h"
|
|
|
|
class LLViewerPluginManager : public LLRefCount
|
|
{
|
|
LOG_CLASS(LLViewerPluginManager);
|
|
|
|
public:
|
|
// Construct an uninitialized LLViewerPluginManager object.
|
|
LLViewerPluginManager(void) : mPluginBase(NULL) { }
|
|
|
|
// Create a PLUGIN_TYPE (must be derived from LLPluginClassBasic).
|
|
// This uses PLUGIN_TYPE::launcher_name() and PLUGIN_TYPE::plugin_basename().
|
|
// If successful, returns the created LLPluginClassBasic, NULL otherwise.
|
|
template<class PLUGIN_TYPE, typename T>
|
|
LLPluginClassBasic* createPlugin(T* user_data);
|
|
|
|
// Delete the plugin.
|
|
void destroyPlugin();
|
|
|
|
// Handle plugin messages.
|
|
virtual void update();
|
|
|
|
// Return pointer to plugin.
|
|
LLPluginClassBasic* getPlugin(void) const { return mPluginBase; }
|
|
|
|
private:
|
|
// Called from createPlugin.
|
|
void send_plugin_failure_warning(std::string const& plugin_basename);
|
|
|
|
protected:
|
|
LLPluginClassBasic* mPluginBase; //!< Pointer to the base class of the underlaying plugin.
|
|
};
|
|
|
|
template<class PLUGIN_TYPE, typename T>
|
|
LLPluginClassBasic* LLViewerPluginManager::createPlugin(T* user_data)
|
|
{
|
|
// Always delete the old plugin first.
|
|
destroyPlugin();
|
|
|
|
std::string plugin_name = gDirUtilp->getLLPluginFilename(PLUGIN_TYPE::plugin_basename());
|
|
|
|
// See if the plugin executable exists.
|
|
llstat s;
|
|
if (LLFile::stat(PLUGIN_TYPE::launcher_name(), &s))
|
|
{
|
|
LL_WARNS("Plugin") << "Couldn't find launcher at " << PLUGIN_TYPE::launcher_name() << LL_ENDL;
|
|
}
|
|
else if (LLFile::stat(plugin_name, &s))
|
|
{
|
|
LL_WARNS("Plugin") << "Couldn't find plugin at " << plugin_name << LL_ENDL;
|
|
}
|
|
else
|
|
{
|
|
LLPluginClassBasic* plugin = new PLUGIN_TYPE(user_data);
|
|
if (plugin->init(PLUGIN_TYPE::launcher_name(), plugin_name, gSavedSettings.getBOOL("PluginAttachDebuggerToPlugins")))
|
|
{
|
|
mPluginBase = plugin;
|
|
}
|
|
else
|
|
{
|
|
LL_WARNS("Plugin") << "Failed to init plugin. Destroying." << LL_ENDL;
|
|
delete plugin;
|
|
}
|
|
}
|
|
|
|
if (mPluginBase)
|
|
return mPluginBase;
|
|
|
|
send_plugin_failure_warning(PLUGIN_TYPE::plugin_basename());
|
|
return NULL;
|
|
}
|
|
|
|
#endif // LLVIEWERPLUGINMANAGER_H
|