/*
 * This file is a part of Winix
 * and is not publicly distributed
 * 
 * Copyright (c) 2011-2012, Tomasz Sowa
 * All rights reserved.
 * 
 */
 

#include "core/log.h"
#include "core/plugin.h"
#include "cache.h"


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(long dir_id)
{
	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(pitem->parent_id);
}


void InvalidateCacheByPointer(PluginInfo & info)
{
	Item * pitem = reinterpret_cast<Item*>(info.p1);

	if( pitem )
		InvalidateCache(pitem->id);
}


void InvalidateCacheById(PluginInfo & info)
{
	InvalidateCache(info.l1);
}



void AddEzcFunctions(PluginInfo & info);

} // namespace





void Init(PluginInfo & info)
{
using namespace Menu;

	cache.SetDirs(&info.system->dirs);

	plugin.Assign(WINIX_TEMPLATES_CREATEFUNCTIONS,		AddEzcFunctions);
	plugin.Assign(WINIX_ADD_MOUNTS,						AddMountParams);
	plugin.Assign(WINIX_FSTAB_CHANGED,					FstabChanged);

	// !! IMPROVE ME
	// use modify parameter from a directory
	// (not implemented yet)

	plugin.Assign(WINIX_FILE_REMOVED,					InvalidateCacheByPointerParent);
	plugin.Assign(WINIX_DIR_ADDED,						InvalidateCacheByPointerParent);
	plugin.Assign(WINIX_DIR_PREPARE_TO_REMOVE,			InvalidateCacheByPointerParent);
	plugin.Assign(WINIX_DIR_REMOVED,					InvalidateCacheById);
	plugin.Assign(WINIX_FILE_ADDED,						InvalidateCacheByPointerParent);
	plugin.Assign(WINIX_FILE_CHANGED,					InvalidateCacheByPointerParent);
	plugin.Assign(WINIX_FILE_COPIED,					InvalidateCacheByPointerParent);
	plugin.Assign(WINIX_FILE_PREPARE_TO_MOVE,			InvalidateCacheByPointerParent);
	plugin.Assign(WINIX_FILE_MOVED,						InvalidateCacheByPointerParent);
	plugin.Assign(WINIX_DIR_CONTENT_SORTED,				InvalidateCacheByPointer);

	// !! IMPROVE ME
	// we need a WINIX_DIR_CHANGED message
	// for example when changing the subject of a directory

	info.p1 = (void*)(plugin_name);
}