427 lines
15 KiB
C++
427 lines
15 KiB
C++
/**
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* @file llinventory.h
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* @brief LLInventoryItem and LLInventoryCategory class declaration.
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_LLINVENTORY_H
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#define LL_LLINVENTORY_H
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#include <functional>
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#include "llassetstorage.h"
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#include "lldarray.h"
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#include "llinventorytype.h"
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#include "llmemtype.h"
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#include "llpermissions.h"
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#include "llsaleinfo.h"
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#include "llsd.h"
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#include "lluuid.h"
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#include "llxmlnode.h"
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// consts for Key field in the task inventory update message
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extern const U8 TASK_INVENTORY_ITEM_KEY;
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extern const U8 TASK_INVENTORY_ASSET_KEY;
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// anonymous enumeration to specify a max inventory buffer size for
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// use in packBinaryBucket()
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enum
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{
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MAX_INVENTORY_BUFFER_SIZE = 1024
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};
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Class LLInventoryObject
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//
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// This is the base class for inventory objects that handles the
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// common code between items and categories. The 'mParentUUID' member
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// means the parent category since all inventory objects except each
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// user's root category are in some category. Each user's root
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// category will have mParentUUID==LLUUID::null.
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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class LLMessageSystem;
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class LLInventoryObject : public LLRefCount
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{
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protected:
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LLUUID mUUID;
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LLUUID mParentUUID;
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LLAssetType::EType mType;
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std::string mName;
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protected:
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virtual ~LLInventoryObject( void );
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public:
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MEM_TYPE_NEW(LLMemType::MTYPE_INVENTORY);
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LLInventoryObject(const LLUUID& uuid, const LLUUID& parent_uuid,
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LLAssetType::EType type, const std::string& name);
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LLInventoryObject();
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void copyObject(const LLInventoryObject* other); // LLRefCount requires custom copy
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// accessors
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virtual const LLUUID& getUUID() const;
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const LLUUID& getParentUUID() const;
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virtual const LLUUID& getLinkedUUID() const; // get the inventoryID that this item points to, else this item's inventoryID
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virtual const std::string& getName() const;
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virtual LLAssetType::EType getType() const;
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LLAssetType::EType getActualType() const; // bypasses indirection for linked items
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BOOL getIsLinkType() const;
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// mutators - will not call updateServer();
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void setUUID(const LLUUID& new_uuid);
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virtual void rename(const std::string& new_name);
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void setParent(const LLUUID& new_parent);
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void setType(LLAssetType::EType type);
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// file support - implemented here so that a minimal information
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// set can be transmitted between simulator and viewer.
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// virtual BOOL importFile(LLFILE* fp);
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virtual BOOL exportFile(LLFILE* fp, BOOL include_asset_key = TRUE) const;
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virtual BOOL importLegacyStream(std::istream& input_stream);
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virtual BOOL exportLegacyStream(std::ostream& output_stream, BOOL include_asset_key = TRUE) const;
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// virtual methods
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virtual void removeFromServer();
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virtual void updateParentOnServer(BOOL) const;
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virtual void updateServer(BOOL) const;
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};
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Class LLInventoryItem
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//
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// An inventory item represents something that the current user has in
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// their inventory.
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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class LLInventoryItem : public LLInventoryObject
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{
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public:
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typedef LLDynamicArray<LLPointer<LLInventoryItem> > item_array_t;
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protected:
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LLPermissions mPermissions;
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LLUUID mAssetUUID;
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std::string mDescription;
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LLSaleInfo mSaleInfo;
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LLInventoryType::EType mInventoryType;
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U32 mFlags;
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time_t mCreationDate; // seconds from 1/1/1970, UTC
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public:
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/**
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* Anonymous enumeration for specifying the inventory item flags.
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*/
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enum
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{
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// The shared flags at the top are shared among all inventory
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// types. After that section, all values of flags are type
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// dependent. The shared flags will start at 2^30 and work
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// down while item type specific flags will start at 2^0 and
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// work up.
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II_FLAGS_NONE = 0,
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//
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// Shared flags
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//
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//
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// This value means that the asset has only one reference in
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// the system. If the inventory item is deleted, or the asset
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// id updated, then we can remove the old reference.
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II_FLAGS_SHARED_SINGLE_REFERENCE = 0x40000000,
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//
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// Landmark flags
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//
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II_FLAGS_LANDMARK_VISITED = 1,
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//
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// Object flags
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//
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// flag to indicate that object permissions should have next
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// owner perm be more restrictive on rez. We bump this into
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// the second byte of the flags since the low byte is used to
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// track attachment points.
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II_FLAGS_OBJECT_SLAM_PERM = 0x100,
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// flag to indicate that the object sale information has been changed.
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II_FLAGS_OBJECT_SLAM_SALE = 0x1000,
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// These flags specify which permissions masks to overwrite
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// upon rez. Normally, if no permissions slam (above) or
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// overwrite flags are set, the asset's permissions are
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// used and the inventory's permissions are ignored. If
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// any of these flags are set, the inventory's permissions
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// take precedence.
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II_FLAGS_OBJECT_PERM_OVERWRITE_BASE = 0x010000,
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II_FLAGS_OBJECT_PERM_OVERWRITE_OWNER = 0x020000,
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II_FLAGS_OBJECT_PERM_OVERWRITE_GROUP = 0x040000,
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II_FLAGS_OBJECT_PERM_OVERWRITE_EVERYONE = 0x080000,
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II_FLAGS_OBJECT_PERM_OVERWRITE_NEXT_OWNER = 0x100000,
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// flag to indicate whether an object that is returned is composed
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// of muiltiple items or not.
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II_FLAGS_OBJECT_HAS_MULTIPLE_ITEMS = 0x200000,
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//
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// wearables use the low order byte of flags to store the
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// EWearableType enumeration found in newview/llwearable.h
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//
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II_FLAGS_WEARABLES_MASK = 0xff,
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};
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protected:
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~LLInventoryItem(); // ref counted
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public:
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MEM_TYPE_NEW(LLMemType::MTYPE_INVENTORY);
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LLInventoryItem(const LLUUID& uuid,
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const LLUUID& parent_uuid,
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const LLPermissions& permissions,
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const LLUUID& asset_uuid,
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LLAssetType::EType type,
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LLInventoryType::EType inv_type,
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const std::string& name,
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const std::string& desc,
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const LLSaleInfo& sale_info,
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U32 flags,
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S32 creation_date_utc);
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LLInventoryItem();
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// Create a copy of an inventory item from a pointer to another item
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// Note: Because InventoryItems are ref counted, reference copy (a = b)
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// is prohibited
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LLInventoryItem(const LLInventoryItem* other);
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virtual void copyItem(const LLInventoryItem* other); // LLRefCount requires custom copy
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// As a constructor alternative, the clone() method works like a
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// copy constructor, but gens a new UUID.
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// It is up to the caller to delete (unref) the item.
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virtual void cloneItem(LLPointer<LLInventoryItem>& newitem) const;
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// accessors
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virtual const LLUUID& getLinkedUUID() const;
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virtual const LLPermissions& getPermissions() const;
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virtual const LLUUID& getCreatorUUID() const;
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virtual const LLUUID& getAssetUUID() const;
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virtual const std::string& getDescription() const;
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virtual const LLSaleInfo& getSaleInfo() const;
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virtual LLInventoryType::EType getInventoryType() const;
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virtual U32 getFlags() const;
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virtual time_t getCreationDate() const;
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virtual U32 getCRC32() const; // really more of a checksum.
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// mutators - will not call updateServer(), and will never fail
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// (though it may correct to sane values)
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void setAssetUUID(const LLUUID& asset_id);
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void setDescription(const std::string& new_desc);
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void setSaleInfo(const LLSaleInfo& sale_info);
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void setPermissions(const LLPermissions& perm);
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void setInventoryType(LLInventoryType::EType inv_type);
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void setFlags(U32 flags);
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void setCreationDate(time_t creation_date_utc);
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// Put this inventory item onto the current outgoing mesage. It
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// assumes you have already called nextBlock().
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virtual void packMessage(LLMessageSystem* msg) const;
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// unpack returns TRUE if the inventory item came through the
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// network ok. It uses a simple crc check which is defeatable, but
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// we want to detect network mangling somehow.
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virtual BOOL unpackMessage(LLMessageSystem* msg, const char* block, S32 block_num = 0);
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// file support
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virtual BOOL importFile(LLFILE* fp);
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virtual BOOL exportFile(LLFILE* fp, BOOL include_asset_key = TRUE) const;
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virtual BOOL importLegacyStream(std::istream& input_stream);
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virtual BOOL exportLegacyStream(std::ostream& output_stream, BOOL include_asset_key = TRUE) const;
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virtual LLXMLNode *exportFileXML(BOOL include_asset_key = TRUE) const;
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BOOL importXML(LLXMLNode* node);
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// helper functions
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// pack all information needed to reconstruct this item into the given binary bucket.
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// perm_override is optional
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S32 packBinaryBucket(U8* bin_bucket, LLPermissions* perm_override = NULL) const;
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void unpackBinaryBucket(U8* bin_bucket, S32 bin_bucket_size);
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LLSD asLLSD() const;
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bool fromLLSD(LLSD& sd);
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};
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BOOL item_dictionary_sort(LLInventoryItem* a,LLInventoryItem* b);
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BOOL item_date_sort(LLInventoryItem* a, LLInventoryItem* b);
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Class LLInventoryCategory
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//
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// An instance of this class represents a category of inventory
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// items. Users come with a set of default categories, and can create
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// new ones as needed.
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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class LLInventoryCategory : public LLInventoryObject
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{
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public:
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typedef LLDynamicArray<LLPointer<LLInventoryCategory> > cat_array_t;
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protected:
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~LLInventoryCategory();
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public:
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MEM_TYPE_NEW(LLMemType::MTYPE_INVENTORY);
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LLInventoryCategory(const LLUUID& uuid, const LLUUID& parent_uuid,
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LLAssetType::EType preferred_type,
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const std::string& name);
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LLInventoryCategory();
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LLInventoryCategory(const LLInventoryCategory* other);
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void copyCategory(const LLInventoryCategory* other); // LLRefCount requires custom copy
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// accessors and mutators
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LLAssetType::EType getPreferredType() const;
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void setPreferredType(LLAssetType::EType type);
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// For messaging system support
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virtual void packMessage(LLMessageSystem* msg) const;
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virtual void unpackMessage(LLMessageSystem* msg, const char* block, S32 block_num = 0);
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LLSD asLLSD() const;
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bool fromLLSD(LLSD& sd);
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// file support
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virtual BOOL importFile(LLFILE* fp);
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virtual BOOL exportFile(LLFILE* fp, BOOL include_asset_key = TRUE) const;
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virtual BOOL importLegacyStream(std::istream& input_stream);
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virtual BOOL exportLegacyStream(std::ostream& output_stream, BOOL include_asset_key = TRUE) const;
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protected:
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// The type of asset that this category was "meant" to hold
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// (although it may in fact hold any type).
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LLAssetType::EType mPreferredType;
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};
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//-----------------------------------------------------------------------------
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// Useful bits
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//-----------------------------------------------------------------------------
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// This functor tests if an item is transferrable and returns true if
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// it is. Derived from unary_function<> so that the object can be used
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// in stl-compliant adaptable predicates (eg, not1<>). You might want
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// to use this in std::partition() or similar logic.
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struct IsItemTransferable : public std::unary_function<LLInventoryItem*, bool>
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{
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LLUUID mDestID;
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IsItemTransferable(const LLUUID& dest_id) : mDestID(dest_id) {}
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bool operator()(const LLInventoryItem* item) const
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{
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return (item->getPermissions().allowTransferTo(mDestID)) ? true:false;
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}
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};
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// This functor is used to set the owner and group of inventory items,
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// for example, in a simple std::for_each() loop. Note that the call
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// to setOwnerAndGroup can fail if authority_id != LLUUID::null.
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struct SetItemOwnerAndGroup
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{
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LLUUID mAuthorityID;
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LLUUID mOwnerID;
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LLUUID mGroupID;
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SetItemOwnerAndGroup(const LLUUID& authority_id,
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const LLUUID& owner_id,
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const LLUUID& group_id) :
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mAuthorityID(authority_id), mOwnerID(owner_id), mGroupID(group_id) {}
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void operator()(LLInventoryItem* item) const
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{
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LLPermissions perm = item->getPermissions();
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bool is_atomic = (LLAssetType::AT_OBJECT == item->getType()) ? false : true;
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perm.setOwnerAndGroup(mAuthorityID, mOwnerID, mGroupID, is_atomic);
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// If no owner id is set, this is equivalent to a deed action.
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// Clear 'share with group'.
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if (mOwnerID.isNull())
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{
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perm.setMaskGroup(PERM_NONE);
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}
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item->setPermissions(perm);
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}
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};
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// This functor is used to unset the share with group, everyone perms, and
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// for sale info for objects being sold through contents.
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struct SetNotForSale
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{
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LLUUID mAgentID;
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LLUUID mGroupID;
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SetNotForSale(const LLUUID& agent_id,
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const LLUUID& group_id) :
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mAgentID(agent_id), mGroupID(group_id) {}
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void operator()(LLInventoryItem* item) const
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{
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// Clear group & everyone permissions.
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LLPermissions perm = item->getPermissions();
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perm.setGroupBits(mAgentID, mGroupID, FALSE, PERM_MODIFY | PERM_MOVE | PERM_COPY);
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perm.setEveryoneBits(mAgentID, mGroupID, FALSE, PERM_MOVE | PERM_COPY);
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item->setPermissions(perm);
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// Mark group & everyone permissions for overwrite on the next
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// rez if it is an object.
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if(LLAssetType::AT_OBJECT == item->getType())
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{
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U32 flags = item->getFlags();
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flags |= LLInventoryItem::II_FLAGS_OBJECT_PERM_OVERWRITE_GROUP;
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flags |= LLInventoryItem::II_FLAGS_OBJECT_PERM_OVERWRITE_EVERYONE;
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item->setFlags(flags);
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}
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// Clear for sale info.
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item->setSaleInfo(LLSaleInfo::DEFAULT);
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}
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};
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typedef std::list<LLPointer<LLInventoryObject> > InventoryObjectList;
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// These functions convert between structured data and an inventroy
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// item, appropriate for serialization.
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LLSD ll_create_sd_from_inventory_item(LLPointer<LLInventoryItem> item);
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LLPointer<LLInventoryItem> ll_create_item_from_sd(const LLSD& sd_item);
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LLSD ll_create_sd_from_inventory_category(LLPointer<LLInventoryCategory> cat);
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LLPointer<LLInventoryCategory> ll_create_category_from_sd(const LLSD& sd_cat);
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#endif // LL_LLINVENTORY_H
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