diff options
author | Dmitry Zaporozhan <dzaporozhan@productengine.com> | 2009-11-16 12:33:52 +0200 |
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committer | Dmitry Zaporozhan <dzaporozhan@productengine.com> | 2009-11-16 12:33:52 +0200 |
commit | 471897cfabbfec8d4dbee65c837d5884310ea61a (patch) | |
tree | d9ef29f52786b380bd3d496c1f5a258aefeeb772 /indra/newview/llinventoryobserver.h | |
parent | d149b28173c2b255bd1bf1db902368dfbdf3064a (diff) | |
parent | e7519e8a977138627b429ca43a10184c82efc66e (diff) |
Merge
--HG--
branch : product-engine
Diffstat (limited to 'indra/newview/llinventoryobserver.h')
-rw-r--r-- | indra/newview/llinventoryobserver.h | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/indra/newview/llinventoryobserver.h b/indra/newview/llinventoryobserver.h new file mode 100644 index 0000000000..384e6292e8 --- /dev/null +++ b/indra/newview/llinventoryobserver.h @@ -0,0 +1,249 @@ +/** + * @file llinventoryobserver.h + * @brief LLInventoryObserver class header file + * + * $LicenseInfo:firstyear=2002&license=viewergpl$ + * + * Copyright (c) 2002-2009, 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_LLINVENTORYOBSERVERS_H +#define LL_LLINVENTORYOBSERVERS_H + +#include "lluuid.h" +#include <string> +#include <vector> + +class LLViewerInventoryCategory; + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Class LLInventoryObserver +// +// This class is designed to be a simple abstract base class which can +// relay messages when the inventory changes. +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +class LLInventoryObserver +{ +public: + // This enumeration is a way to refer to what changed in a more + // human readable format. You can mask the value provided by + // chaged() to see if the observer is interested in the change. + enum + { + NONE = 0, + LABEL = 1, // name changed + INTERNAL = 2, // internal change, eg, asset uuid different + ADD = 4, // something added + REMOVE = 8, // something deleted + STRUCTURE = 16, // structural change, eg, item or folder moved + CALLING_CARD = 32, // online, grant status, cancel, etc change + ALL = 0xffffffff + }; + virtual ~LLInventoryObserver() {}; + virtual void changed(U32 mask) = 0; + std::string mMessageName; // used by Agent Inventory Service only. [DEV-20328] +}; + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Class LLInventoryCompletionObserver +// +// Class which can be used as a base class for doing something when +// when all observed items are locally complete. This class implements +// the changed() method of LLInventoryObserver and declares a new +// method named done() which is called when all watched items have +// complete information in the inventory model. +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +class LLInventoryCompletionObserver : public LLInventoryObserver +{ +public: + LLInventoryCompletionObserver() {} + virtual void changed(U32 mask); + + void watchItem(const LLUUID& id); + +protected: + virtual void done() = 0; + + typedef std::vector<LLUUID> item_ref_t; + item_ref_t mComplete; + item_ref_t mIncomplete; +}; + + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Class LLInventoryFetchObserver +// +// This class is much like the LLInventoryCompletionObserver, except +// that it handles all the the fetching necessary. Override the done() +// method to do the thing you want. +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +class LLInventoryFetchObserver : public LLInventoryObserver +{ +public: + LLInventoryFetchObserver() {} + virtual void changed(U32 mask); + + typedef std::vector<LLUUID> item_ref_t; + + bool isEverythingComplete() const; + void fetchItems(const item_ref_t& ids); + virtual void done() = 0; + +protected: + item_ref_t mComplete; + item_ref_t mIncomplete; +}; + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Class LLInventoryFetchDescendentsObserver +// +// This class is much like the LLInventoryCompletionObserver, except +// that it handles fetching based on category. Override the done() +// method to do the thing you want. +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +class LLInventoryFetchDescendentsObserver : public LLInventoryObserver +{ +public: + LLInventoryFetchDescendentsObserver() {} + virtual void changed(U32 mask); + + typedef std::vector<LLUUID> folder_ref_t; + void fetchDescendents(const folder_ref_t& ids); + bool isEverythingComplete() const; + virtual void done() = 0; + +protected: + bool isComplete(LLViewerInventoryCategory* cat); + folder_ref_t mIncompleteFolders; + folder_ref_t mCompleteFolders; +}; + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Class LLInventoryFetchComboObserver +// +// This class does an appropriate combination of fetch descendents and +// item fetches based on completion of categories and items. Much like +// the fetch and fetch descendents, this will call done() when everything +// has arrived. +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +class LLInventoryFetchComboObserver : public LLInventoryObserver +{ +public: + LLInventoryFetchComboObserver() : mDone(false) {} + virtual void changed(U32 mask); + + typedef std::vector<LLUUID> folder_ref_t; + typedef std::vector<LLUUID> item_ref_t; + void fetch(const folder_ref_t& folder_ids, const item_ref_t& item_ids); + + virtual void done() = 0; + +protected: + bool mDone; + folder_ref_t mCompleteFolders; + folder_ref_t mIncompleteFolders; + item_ref_t mCompleteItems; + item_ref_t mIncompleteItems; +}; + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Class LLInventoryExistenceObserver +// +// This class is used as a base class for doing somethign when all the +// observed item ids exist in the inventory somewhere. You can derive +// a class from this class and implement the done() method to do +// something useful. +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +class LLInventoryExistenceObserver : public LLInventoryObserver +{ +public: + LLInventoryExistenceObserver() {} + virtual void changed(U32 mask); + + void watchItem(const LLUUID& id); + +protected: + virtual void done() = 0; + + typedef std::vector<LLUUID> item_ref_t; + item_ref_t mExist; + item_ref_t mMIA; +}; + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Class LLInventoryAddedObserver +// +// This class is used as a base class for doing something when +// a new item arrives in inventory. +// It does not watch for a certain UUID, rather it acts when anything is added +// Derive a class from this class and implement the done() method to do +// something useful. +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +class LLInventoryAddedObserver : public LLInventoryObserver +{ +public: + LLInventoryAddedObserver() : mAdded() {} + virtual void changed(U32 mask); + +protected: + virtual void done() = 0; + + typedef std::vector<LLUUID> item_ref_t; + item_ref_t mAdded; +}; + +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +// Class LLInventoryTransactionObserver +// +// Class which can be used as a base class for doing something when an +// inventory transaction completes. +// +// *NOTE: This class is not quite complete. Avoid using unless you fix up it's +// functionality gaps. +//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +class LLInventoryTransactionObserver : public LLInventoryObserver +{ +public: + LLInventoryTransactionObserver(const LLTransactionID& transaction_id); + virtual void changed(U32 mask); + +protected: + typedef std::vector<LLUUID> folder_ref_t; + typedef std::vector<LLUUID> item_ref_t; + virtual void done(const folder_ref_t& folders, const item_ref_t& items) = 0; + + LLTransactionID mTransactionID; +}; + + +#endif // LL_LLINVENTORYOBSERVERS_H + |