winix/winixd/plugins/menu/init.cpp

176 lines
4.5 KiB
C++

/*
* This file is a part of Winix
* and is distributed under the 2-Clause BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2011-2018, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#include "core/log.h"
#include "core/plugin.h"
#include "cache.h"
#include "templates/templates.h"
#include "functions/functions.h"
namespace Winix
{
extern "C" void Init(PluginInfo &);
namespace Menu
{
const wchar_t plugin_name[] = L"menu";
int mount_par_menu_skip = -1;
Cache cache;
void AddMountParams(PluginInfo & info)
{
using TemplatesFunctions::system;
mount_par_menu_skip = system->mounts.AddMountPar(L"menu_skip");
}
void FstabChanged(PluginInfo & info)
{
if( mount_par_menu_skip == -1 )
return;
/*
// GetMountTab() returns a const pointer so we cannot sort menu_skip parameters
// may change it to non-const in the future?
const Mounts::MountTab * mt = system->mounts.GetMountTab();
Mounts::MountTab::const_iterator i;
for(i = mt->begin() ; i != mt->end() ; ++i)
SortMenuSkip(i->second);
*/
}
void InvalidateCache(PluginInfo & info, long dir_id)
{
info.log << log4 << "Menu: removing cache for dir id: " << dir_id << logend;
cache.Remove(dir_id);
}
void InvalidateCacheByPointerParent(PluginInfo & info)
{
Item * pitem = reinterpret_cast<Item*>(info.p1);
if( pitem )
InvalidateCache(info, pitem->parent_id);
}
void InvalidateCacheByPointer(PluginInfo & info)
{
Item * pitem = reinterpret_cast<Item*>(info.p1);
if( pitem )
InvalidateCache(info, pitem->id);
}
void InvalidateCacheById(PluginInfo & info)
{
InvalidateCache(info, info.l1);
}
void ProcessRequest(PluginInfo & info)
{
if( info.cur->request->function == &info.functions->fun_reload )
{
if( info.cur->request->IsParam(L"menu") )
{
cache.Clear();
info.log << log3 << "Menu: cache has been cleared" << logend;
}
}
}
void AddEzcFunctions(PluginInfo & info);
} // namespace
void Init(PluginInfo & info)
{
using namespace Menu;
cache.SetDirs(&info.system->dirs);
info.plugin->Assign(WINIX_TEMPLATES_CREATEFUNCTIONS, AddEzcFunctions);
info.plugin->Assign(WINIX_ADD_MOUNTS, AddMountParams);
info.plugin->Assign(WINIX_FSTAB_CHANGED, FstabChanged);
// !! IMPROVE ME
// use modify parameter from a directory
// (not implemented yet)
info.plugin->Assign(WINIX_FILE_REMOVED, InvalidateCacheByPointerParent);
info.plugin->Assign(WINIX_DIR_ADDED, InvalidateCacheByPointerParent);
info.plugin->Assign(WINIX_DIR_PREPARE_TO_REMOVE, InvalidateCacheByPointerParent);
info.plugin->Assign(WINIX_DIR_REMOVED, InvalidateCacheById);
info.plugin->Assign(WINIX_FILE_ADDED, InvalidateCacheByPointerParent);
info.plugin->Assign(WINIX_FILE_CHANGED, InvalidateCacheByPointerParent);
info.plugin->Assign(WINIX_FILE_COPIED, InvalidateCacheByPointerParent);
info.plugin->Assign(WINIX_FILE_PREPARE_TO_MOVE, InvalidateCacheByPointerParent);
info.plugin->Assign(WINIX_FILE_MOVED, InvalidateCacheByPointerParent);
info.plugin->Assign(WINIX_DIR_CONTENT_SORTED, InvalidateCacheByPointer);
info.plugin->Assign(WINIX_PROCESS_REQUEST, ProcessRequest);
// !! IMPROVE ME
// we need a WINIX_DIR_CHANGED message
// for example when changing the subject of a directory
info.p1 = (void*)(plugin_name);
}
} // namespace Winix