109 lines
3.6 KiB
C++
109 lines
3.6 KiB
C++
/**
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* @file llinventorymodelbackgroundfetch.h
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* @brief LLInventoryModelBackgroundFetch class header file
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*
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* $LicenseInfo:firstyear=2002&license=viewergpl$
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*
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* Copyright (c) 2002-2009, 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_LLINVENTORYMODELBACKGROUNDFETCH_H
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#define LL_LLINVENTORYMODELBACKGROUNDFETCH_H
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#include "llsingleton.h"
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#include "lluuid.h"
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// Class LLInventoryModelBackgroundFetch
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//
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// This class handles background fetches, which are fetches of
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// inventory folder. Fetches can be recursive or not.
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//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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class LLInventoryModelBackgroundFetch : public LLSingleton<LLInventoryModelBackgroundFetch>
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{
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friend class LLInventoryModelFetchDescendentsResponder;
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public:
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LLInventoryModelBackgroundFetch();
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~LLInventoryModelBackgroundFetch();
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// Start and stop background breadth-first fetching of inventory contents.
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// This gets triggered when performing a filter-search.
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void start(const LLUUID& cat_id = LLUUID::null, BOOL recursive = TRUE);
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BOOL backgroundFetchActive() const;
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bool isEverythingFetched() const; // completing the fetch once per session should be sufficient
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bool libraryFetchStarted() const;
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bool libraryFetchCompleted() const;
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bool libraryFetchInProgress() const;
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bool inventoryFetchStarted() const;
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bool inventoryFetchCompleted() const;
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bool inventoryFetchInProgress() const;
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void findLostItems();
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protected:
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void incrBulkFetch(S16 fetching);
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bool isBulkFetchProcessingComplete() const;
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void bulkFetch(std::string url);
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void backgroundFetch();
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static void backgroundFetchCB(void*); // background fetch idle function
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void stopBackgroundFetch(); // stop fetch process
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void setAllFoldersFetched();
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bool fetchQueueContainsNoDescendentsOf(const LLUUID& cat_id) const;
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private:
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BOOL mRecursiveInventoryFetchStarted;
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BOOL mRecursiveLibraryFetchStarted;
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BOOL mAllFoldersFetched;
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BOOL mBackgroundFetchActive;
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S16 mBulkFetchCount;
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BOOL mTimelyFetchPending;
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S32 mNumFetchRetries;
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LLFrameTimer mFetchTimer;
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F32 mMinTimeBetweenFetches;
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F32 mMaxTimeBetweenFetches;
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struct FetchQueueInfo
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{
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FetchQueueInfo(const LLUUID& id, BOOL recursive) :
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mCatUUID(id), mRecursive(recursive)
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{
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}
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LLUUID mCatUUID;
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BOOL mRecursive;
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};
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typedef std::deque<FetchQueueInfo> fetch_queue_t;
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fetch_queue_t mFetchQueue;
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};
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#endif // LL_LLINVENTORYMODELBACKGROUNDFETCH_H
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