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/** 
 * @file llinventoryfunctions.h
 * @brief Miscellaneous inventory-related functions and classes
 * class definition
 *
 * $LicenseInfo:firstyear=2001&license=viewergpl$
 * 
 * Copyright (c) 2001-2009, 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 LL_LLINVENTORYFUNCTIONS_H
#define LL_LLINVENTORYFUNCTIONS_H

#include "llinventorytype.h"
#include "llfolderview.h"
#include "llfolderviewitem.h"

/********************************************************************************
 **                                                                            **
 **                    INVENTORY COLLECTOR FUNCTIONS
 **/

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLInventoryCollectFunctor
//
// Base class for LLInventoryModel::collectDescendentsIf() method
// which accepts an instance of one of these objects to use as the
// function to determine if it should be added. Derive from this class
// and override the () operator to return TRUE if you want to collect
// the category or item passed in.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLInventoryCollectFunctor
{
public:
	virtual ~LLInventoryCollectFunctor(){};
	virtual bool operator()(LLInventoryCategory* cat, LLInventoryItem* item) = 0;

	static bool itemTransferCommonlyAllowed(LLInventoryItem* item);
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLAssetIDMatches
//
// This functor finds inventory items pointing to the specified asset
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLViewerInventoryItem;

class LLAssetIDMatches : public LLInventoryCollectFunctor
{
public:
	LLAssetIDMatches(const LLUUID& asset_id) : mAssetID(asset_id) {}
	virtual ~LLAssetIDMatches() {}
	bool operator()(LLInventoryCategory* cat, LLInventoryItem* item);
	
protected:
	LLUUID mAssetID;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLLinkedItemIDMatches
//
// This functor finds inventory items linked to the specific inventory id.
// Assumes the inventory id is itself not a linked item.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLLinkedItemIDMatches : public LLInventoryCollectFunctor
{
public:
	LLLinkedItemIDMatches(const LLUUID& item_id) : mBaseItemID(item_id) {}
	virtual ~LLLinkedItemIDMatches() {}
	bool operator()(LLInventoryCategory* cat, LLInventoryItem* item);
	
protected:
	LLUUID mBaseItemID;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLIsType
//
// Implementation of a LLInventoryCollectFunctor which returns TRUE if
// the type is the type passed in during construction.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class LLIsType : public LLInventoryCollectFunctor
{
public:
	LLIsType(LLAssetType::EType type) : mType(type) {}
	virtual ~LLIsType() {}
	virtual bool operator()(LLInventoryCategory* cat,
							LLInventoryItem* item);
protected:
	LLAssetType::EType mType;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLIsNotType
//
// Implementation of a LLInventoryCollectFunctor which returns FALSE if the
// type is the type passed in during construction, otherwise false.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLIsNotType : public LLInventoryCollectFunctor
{
public:
	LLIsNotType(LLAssetType::EType type) : mType(type) {}
	virtual ~LLIsNotType() {}
	virtual bool operator()(LLInventoryCategory* cat,
							LLInventoryItem* item);
protected:
	LLAssetType::EType mType;
};

class LLIsTypeWithPermissions : public LLInventoryCollectFunctor
{
public:
	LLIsTypeWithPermissions(LLAssetType::EType type, const PermissionBit perms, const LLUUID &agent_id, const LLUUID &group_id) 
		: mType(type), mPerm(perms), mAgentID(agent_id), mGroupID(group_id) {}
	virtual ~LLIsTypeWithPermissions() {}
	virtual bool operator()(LLInventoryCategory* cat,
							LLInventoryItem* item);
protected:
	LLAssetType::EType mType;
	PermissionBit mPerm;
	LLUUID			mAgentID;
	LLUUID			mGroupID;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLBuddyCollector
//
// Simple class that collects calling cards that are not null, and not
// the agent. Duplicates are possible.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLBuddyCollector : public LLInventoryCollectFunctor
{
public:
	LLBuddyCollector() {}
	virtual ~LLBuddyCollector() {}
	virtual bool operator()(LLInventoryCategory* cat,
							LLInventoryItem* item);
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLUniqueBuddyCollector
//
// Simple class that collects calling cards that are not null, and not
// the agent. Duplicates are discarded.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLUniqueBuddyCollector : public LLInventoryCollectFunctor
{
public:
	LLUniqueBuddyCollector() {}
	virtual ~LLUniqueBuddyCollector() {}
	virtual bool operator()(LLInventoryCategory* cat,
							LLInventoryItem* item);

protected:
	std::set<LLUUID> mSeen;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLParticularBuddyCollector
//
// Simple class that collects calling cards that match a particular uuid
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class LLParticularBuddyCollector : public LLInventoryCollectFunctor
{
public:
	LLParticularBuddyCollector(const LLUUID& id) : mBuddyID(id) {}
	virtual ~LLParticularBuddyCollector() {}
	virtual bool operator()(LLInventoryCategory* cat,
							LLInventoryItem* item);
protected:
	LLUUID mBuddyID;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLNameCategoryCollector
//
// Collects categories based on case-insensitive match of prefix
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLNameCategoryCollector : public LLInventoryCollectFunctor
{
public:
	LLNameCategoryCollector(const std::string& name) : mName(name) {}
	virtual ~LLNameCategoryCollector() {}
	virtual bool operator()(LLInventoryCategory* cat,
							LLInventoryItem* item);
protected:
	std::string mName;
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLFindCOFValidItems
//
// Collects items that can be legitimately linked to in the COF.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLFindCOFValidItems : public LLInventoryCollectFunctor
{
public:
	LLFindCOFValidItems() {}
	virtual ~LLFindCOFValidItems() {}
	virtual bool operator()(LLInventoryCategory* cat,
							LLInventoryItem* item);
	
};

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLFindWearables
//
// Collects wearables based on item type.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLFindWearables : public LLInventoryCollectFunctor
{
public:
	LLFindWearables() {}
	virtual ~LLFindWearables() {}
	virtual bool operator()(LLInventoryCategory* cat,
							LLInventoryItem* item);
};

/**                    Inventory Collector Functions
 **                                                                            **
 *******************************************************************************/

class LLInventoryState
{
public:
	// HACK: Until we can route this info through the instant message hierarchy
	static BOOL sWearNewClothing;
	static LLUUID sWearNewClothingTransactionID;	// wear all clothing in this transaction	
};

class LLSelectFirstFilteredItem : public LLFolderViewFunctor
{
public:
	LLSelectFirstFilteredItem() : mItemSelected(FALSE) {}
	virtual ~LLSelectFirstFilteredItem() {}
	virtual void doFolder(LLFolderViewFolder* folder);
	virtual void doItem(LLFolderViewItem* item);
	BOOL wasItemSelected() { return mItemSelected; }
protected:
	BOOL mItemSelected;
};

class LLOpenFilteredFolders : public LLFolderViewFunctor
{
public:
	LLOpenFilteredFolders()  {}
	virtual ~LLOpenFilteredFolders() {}
	virtual void doFolder(LLFolderViewFolder* folder);
	virtual void doItem(LLFolderViewItem* item);
};

class LLSaveFolderState : public LLFolderViewFunctor
{
public:
	LLSaveFolderState() : mApply(FALSE) {}
	virtual ~LLSaveFolderState() {}
	virtual void doFolder(LLFolderViewFolder* folder);
	virtual void doItem(LLFolderViewItem* item) {}
	void setApply(BOOL apply);
	void clearOpenFolders() { mOpenFolders.clear(); }
protected:
	std::set<LLUUID> mOpenFolders;
	BOOL mApply;
};

class LLOpenFoldersWithSelection : public LLFolderViewFunctor
{
public:
	LLOpenFoldersWithSelection() {}
	virtual ~LLOpenFoldersWithSelection() {}
	virtual void doFolder(LLFolderViewFolder* folder);
	virtual void doItem(LLFolderViewItem* item);
};

const std::string& get_item_icon_name(LLAssetType::EType asset_type,
									  LLInventoryType::EType inventory_type,
									  U32 attachment_point, 
									  BOOL item_is_multi );

LLUIImagePtr get_item_icon(LLAssetType::EType asset_type,
						   LLInventoryType::EType inventory_type,
						   U32 attachment_point, 
						   BOOL item_is_multi );

// Is this item or its baseitem is worn, attached, etc...
BOOL get_is_item_worn(const LLUUID& id);


void change_item_parent(LLInventoryModel* model,
									 LLViewerInventoryItem* item,
									 const LLUUID& new_parent_id,
									 BOOL restamp);

#endif // LL_LLINVENTORYFUNCTIONS_H