From d53a354a9cc2589a7aa5d2d0cfc83ed0322c5e54 Mon Sep 17 00:00:00 2001
From: Loren Shih <seraph@lindenlab.com>
Date: Thu, 12 Nov 2009 13:56:36 -0500
Subject: [PATCH] Rename LLInventoryObservers to LLInventoryObserver
---
indra/newview/CMakeLists.txt | 4 +-
indra/newview/llinventorymodel.h | 2 +-
indra/newview/llinventoryobserver.cpp | 564 ++++++++++++++++++++++++++
indra/newview/llinventoryobserver.h | 249 ++++++++++++
4 files changed, 816 insertions(+), 3 deletions(-)
create mode 100644 indra/newview/llinventoryobserver.cpp
create mode 100644 indra/newview/llinventoryobserver.h
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index 3b7f902032d..9d44f34ea8b 100644
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -252,7 +252,7 @@ set(viewer_SOURCE_FILES
llinventoryfilter.cpp
llinventoryfunctions.cpp
llinventorymodel.cpp
- llinventoryobservers.cpp
+ llinventoryobserver.cpp
llinventorypanel.cpp
llinventorysubtreepanel.cpp
lljoystickbutton.cpp
@@ -749,7 +749,7 @@ set(viewer_HEADER_FILES
llinventoryfilter.h
llinventoryfunctions.h
llinventorymodel.h
- llinventoryobservers.h
+ llinventoryobserver.h
llinventorypanel.h
llinventorysubtreepanel.h
lljoystickbutton.h
diff --git a/indra/newview/llinventorymodel.h b/indra/newview/llinventorymodel.h
index c09d3eba8c6..bd64591194c 100644
--- a/indra/newview/llinventorymodel.h
+++ b/indra/newview/llinventorymodel.h
@@ -49,7 +49,7 @@
// ! REFACTOR ! Remove llinventoryobservers.h and have other files that need it explicitly
// include llinventoryobservers.h instead of llinventorymodel.h . This will reduce dependency on
// llinventorymodel.h.
-#include "llinventoryobservers.h"
+#include "llinventoryobserver.h"
class LLInventoryObserver;
class LLInventoryObject;
diff --git a/indra/newview/llinventoryobserver.cpp b/indra/newview/llinventoryobserver.cpp
new file mode 100644
index 00000000000..3ccf593d278
--- /dev/null
+++ b/indra/newview/llinventoryobserver.cpp
@@ -0,0 +1,564 @@
+/**
+ * @file llinventoryobserver.cpp
+ * @brief Implementation of the inventory observers used to track agent inventory.
+ *
+ * $LicenseInfo:firstyear=2002&license=viewergpl$
+ *
+ * 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.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llinventoryobserver.h"
+
+#include "llassetstorage.h"
+#include "llcrc.h"
+#include "lldir.h"
+#include "llsys.h"
+#include "llxfermanager.h"
+#include "message.h"
+
+#include "llagent.h"
+#include "llagentwearables.h"
+#include "llfloater.h"
+#include "llfocusmgr.h"
+#include "llinventorybridge.h"
+#include "llinventoryfunctions.h"
+#include "llinventorymodel.h"
+#include "llviewermessage.h"
+#include "llviewerwindow.h"
+#include "llviewerregion.h"
+#include "llappviewer.h"
+#include "lldbstrings.h"
+#include "llviewerstats.h"
+#include "llmutelist.h"
+#include "llnotifications.h"
+#include "llcallbacklist.h"
+#include "llpreview.h"
+#include "llviewercontrol.h"
+#include "llvoavatarself.h"
+#include "llsdutil.h"
+#include <deque>
+
+void LLInventoryCompletionObserver::changed(U32 mask)
+{
+ // scan through the incomplete items and move or erase them as
+ // appropriate.
+ if(!mIncomplete.empty())
+ {
+ for(item_ref_t::iterator it = mIncomplete.begin(); it < mIncomplete.end(); )
+ {
+ LLViewerInventoryItem* item = gInventory.getItem(*it);
+ if(!item)
+ {
+ it = mIncomplete.erase(it);
+ continue;
+ }
+ if(item->isComplete())
+ {
+ mComplete.push_back(*it);
+ it = mIncomplete.erase(it);
+ continue;
+ }
+ ++it;
+ }
+ if(mIncomplete.empty())
+ {
+ done();
+ }
+ }
+}
+
+void LLInventoryCompletionObserver::watchItem(const LLUUID& id)
+{
+ if(id.notNull())
+ {
+ mIncomplete.push_back(id);
+ }
+}
+
+
+void LLInventoryFetchObserver::changed(U32 mask)
+{
+ // scan through the incomplete items and move or erase them as
+ // appropriate.
+ if(!mIncomplete.empty())
+ {
+ for(item_ref_t::iterator it = mIncomplete.begin(); it < mIncomplete.end(); )
+ {
+ LLViewerInventoryItem* item = gInventory.getItem(*it);
+ if(!item)
+ {
+ // BUG: This can cause done() to get called prematurely below.
+ // This happens with the LLGestureInventoryFetchObserver that
+ // loads gestures at startup. JC
+ it = mIncomplete.erase(it);
+ continue;
+ }
+ if(item->isComplete())
+ {
+ mComplete.push_back(*it);
+ it = mIncomplete.erase(it);
+ continue;
+ }
+ ++it;
+ }
+ if(mIncomplete.empty())
+ {
+ done();
+ }
+ }
+ //llinfos << "LLInventoryFetchObserver::changed() mComplete size " << mComplete.size() << llendl;
+ //llinfos << "LLInventoryFetchObserver::changed() mIncomplete size " << mIncomplete.size() << llendl;
+}
+
+bool LLInventoryFetchObserver::isEverythingComplete() const
+{
+ return mIncomplete.empty();
+}
+
+void fetch_items_from_llsd(const LLSD& items_llsd)
+{
+ if (!items_llsd.size()) return;
+ LLSD body;
+ body[0]["cap_name"] = "FetchInventory";
+ body[1]["cap_name"] = "FetchLib";
+ for (S32 i=0; i<items_llsd.size();i++)
+ {
+ if (items_llsd[i]["owner_id"].asString() == gAgent.getID().asString())
+ {
+ body[0]["items"].append(items_llsd[i]);
+ continue;
+ }
+ if (items_llsd[i]["owner_id"].asString() == ALEXANDRIA_LINDEN_ID.asString())
+ {
+ body[1]["items"].append(items_llsd[i]);
+ continue;
+ }
+ }
+
+ for (S32 i=0; i<body.size(); i++)
+ {
+ if (0 >= body[i].size()) continue;
+ std::string url = gAgent.getRegion()->getCapability(body[i]["cap_name"].asString());
+
+ if (!url.empty())
+ {
+ body[i]["agent_id"] = gAgent.getID();
+ LLHTTPClient::post(url, body[i], new LLInventoryModel::fetchInventoryResponder(body[i]));
+ break;
+ }
+
+ LLMessageSystem* msg = gMessageSystem;
+ BOOL start_new_message = TRUE;
+ for (S32 j=0; j<body[i]["items"].size(); j++)
+ {
+ LLSD item_entry = body[i]["items"][j];
+ if(start_new_message)
+ {
+ start_new_message = FALSE;
+ msg->newMessageFast(_PREHASH_FetchInventory);
+ msg->nextBlockFast(_PREHASH_AgentData);
+ msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
+ msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
+ }
+ msg->nextBlockFast(_PREHASH_InventoryData);
+ msg->addUUIDFast(_PREHASH_OwnerID, item_entry["owner_id"].asUUID());
+ msg->addUUIDFast(_PREHASH_ItemID, item_entry["item_id"].asUUID());
+ if(msg->isSendFull(NULL))
+ {
+ start_new_message = TRUE;
+ gAgent.sendReliableMessage();
+ }
+ }
+ if(!start_new_message)
+ {
+ gAgent.sendReliableMessage();
+ }
+ }
+}
+
+void LLInventoryFetchObserver::fetchItems(
+ const LLInventoryFetchObserver::item_ref_t& ids)
+{
+ LLUUID owner_id;
+ LLSD items_llsd;
+ for(item_ref_t::const_iterator it = ids.begin(); it < ids.end(); ++it)
+ {
+ LLViewerInventoryItem* item = gInventory.getItem(*it);
+ if(item)
+ {
+ if(item->isComplete())
+ {
+ // It's complete, so put it on the complete container.
+ mComplete.push_back(*it);
+ continue;
+ }
+ else
+ {
+ owner_id = item->getPermissions().getOwner();
+ }
+ }
+ else
+ {
+ // assume it's agent inventory.
+ owner_id = gAgent.getID();
+ }
+
+ // It's incomplete, so put it on the incomplete container, and
+ // pack this on the message.
+ mIncomplete.push_back(*it);
+
+ // Prepare the data to fetch
+ LLSD item_entry;
+ item_entry["owner_id"] = owner_id;
+ item_entry["item_id"] = (*it);
+ items_llsd.append(item_entry);
+ }
+ fetch_items_from_llsd(items_llsd);
+}
+
+// virtual
+void LLInventoryFetchDescendentsObserver::changed(U32 mask)
+{
+ for(folder_ref_t::iterator it = mIncompleteFolders.begin(); it < mIncompleteFolders.end();)
+ {
+ LLViewerInventoryCategory* cat = gInventory.getCategory(*it);
+ if(!cat)
+ {
+ it = mIncompleteFolders.erase(it);
+ continue;
+ }
+ if(isComplete(cat))
+ {
+ mCompleteFolders.push_back(*it);
+ it = mIncompleteFolders.erase(it);
+ continue;
+ }
+ ++it;
+ }
+ if(mIncompleteFolders.empty())
+ {
+ done();
+ }
+}
+
+void LLInventoryFetchDescendentsObserver::fetchDescendents(
+ const folder_ref_t& ids)
+{
+ for(folder_ref_t::const_iterator it = ids.begin(); it != ids.end(); ++it)
+ {
+ LLViewerInventoryCategory* cat = gInventory.getCategory(*it);
+ if(!cat) continue;
+ if(!isComplete(cat))
+ {
+ cat->fetchDescendents(); //blindly fetch it without seeing if anything else is fetching it.
+ mIncompleteFolders.push_back(*it); //Add to list of things being downloaded for this observer.
+ }
+ else
+ {
+ mCompleteFolders.push_back(*it);
+ }
+ }
+}
+
+bool LLInventoryFetchDescendentsObserver::isEverythingComplete() const
+{
+ return mIncompleteFolders.empty();
+}
+
+bool LLInventoryFetchDescendentsObserver::isComplete(LLViewerInventoryCategory* cat)
+{
+ S32 version = cat->getVersion();
+ S32 descendents = cat->getDescendentCount();
+ if((LLViewerInventoryCategory::VERSION_UNKNOWN == version)
+ || (LLViewerInventoryCategory::DESCENDENT_COUNT_UNKNOWN == descendents))
+ {
+ return false;
+ }
+ // it might be complete - check known descendents against
+ // currently available.
+ LLInventoryModel::cat_array_t* cats;
+ LLInventoryModel::item_array_t* items;
+ gInventory.getDirectDescendentsOf(cat->getUUID(), cats, items);
+ if(!cats || !items)
+ {
+ // bit of a hack - pretend we're done if they are gone or
+ // incomplete. should never know, but it would suck if this
+ // kept tight looping because of a corrupt memory state.
+ return true;
+ }
+ S32 known = cats->count() + items->count();
+ if(descendents == known)
+ {
+ // hey - we're done.
+ return true;
+ }
+ return false;
+}
+
+void LLInventoryFetchComboObserver::changed(U32 mask)
+{
+ if(!mIncompleteItems.empty())
+ {
+ for(item_ref_t::iterator it = mIncompleteItems.begin(); it < mIncompleteItems.end(); )
+ {
+ LLViewerInventoryItem* item = gInventory.getItem(*it);
+ if(!item)
+ {
+ it = mIncompleteItems.erase(it);
+ continue;
+ }
+ if(item->isComplete())
+ {
+ mCompleteItems.push_back(*it);
+ it = mIncompleteItems.erase(it);
+ continue;
+ }
+ ++it;
+ }
+ }
+ if(!mIncompleteFolders.empty())
+ {
+ for(folder_ref_t::iterator it = mIncompleteFolders.begin(); it < mIncompleteFolders.end();)
+ {
+ LLViewerInventoryCategory* cat = gInventory.getCategory(*it);
+ if(!cat)
+ {
+ it = mIncompleteFolders.erase(it);
+ continue;
+ }
+ if(gInventory.isCategoryComplete(*it))
+ {
+ mCompleteFolders.push_back(*it);
+ it = mIncompleteFolders.erase(it);
+ continue;
+ }
+ ++it;
+ }
+ }
+ if(!mDone && mIncompleteItems.empty() && mIncompleteFolders.empty())
+ {
+ mDone = true;
+ done();
+ }
+}
+
+void LLInventoryFetchComboObserver::fetch(
+ const folder_ref_t& folder_ids,
+ const item_ref_t& item_ids)
+{
+ lldebugs << "LLInventoryFetchComboObserver::fetch()" << llendl;
+ for(folder_ref_t::const_iterator fit = folder_ids.begin(); fit != folder_ids.end(); ++fit)
+ {
+ LLViewerInventoryCategory* cat = gInventory.getCategory(*fit);
+ if(!cat) continue;
+ if(!gInventory.isCategoryComplete(*fit))
+ {
+ cat->fetchDescendents();
+ lldebugs << "fetching folder " << *fit <<llendl;
+ mIncompleteFolders.push_back(*fit);
+ }
+ else
+ {
+ mCompleteFolders.push_back(*fit);
+ lldebugs << "completing folder " << *fit <<llendl;
+ }
+ }
+
+ // Now for the items - we fetch everything which is not a direct
+ // descendent of an incomplete folder because the item will show
+ // up in an inventory descendents message soon enough so we do not
+ // have to fetch it individually.
+ LLSD items_llsd;
+ LLUUID owner_id;
+ for(item_ref_t::const_iterator iit = item_ids.begin(); iit != item_ids.end(); ++iit)
+ {
+ LLViewerInventoryItem* item = gInventory.getItem(*iit);
+ if(!item)
+ {
+ lldebugs << "uanble to find item " << *iit << llendl;
+ continue;
+ }
+ if(item->isComplete())
+ {
+ // It's complete, so put it on the complete container.
+ mCompleteItems.push_back(*iit);
+ lldebugs << "completing item " << *iit << llendl;
+ continue;
+ }
+ else
+ {
+ mIncompleteItems.push_back(*iit);
+ owner_id = item->getPermissions().getOwner();
+ }
+ if(std::find(mIncompleteFolders.begin(), mIncompleteFolders.end(), item->getParentUUID()) == mIncompleteFolders.end())
+ {
+ LLSD item_entry;
+ item_entry["owner_id"] = owner_id;
+ item_entry["item_id"] = (*iit);
+ items_llsd.append(item_entry);
+ }
+ else
+ {
+ lldebugs << "not worrying about " << *iit << llendl;
+ }
+ }
+ fetch_items_from_llsd(items_llsd);
+}
+
+void LLInventoryExistenceObserver::watchItem(const LLUUID& id)
+{
+ if(id.notNull())
+ {
+ mMIA.push_back(id);
+ }
+}
+
+void LLInventoryExistenceObserver::changed(U32 mask)
+{
+ // scan through the incomplete items and move or erase them as
+ // appropriate.
+ if(!mMIA.empty())
+ {
+ for(item_ref_t::iterator it = mMIA.begin(); it < mMIA.end(); )
+ {
+ LLViewerInventoryItem* item = gInventory.getItem(*it);
+ if(!item)
+ {
+ ++it;
+ continue;
+ }
+ mExist.push_back(*it);
+ it = mMIA.erase(it);
+ }
+ if(mMIA.empty())
+ {
+ done();
+ }
+ }
+}
+
+void LLInventoryAddedObserver::changed(U32 mask)
+{
+ if(!(mask & LLInventoryObserver::ADD))
+ {
+ return;
+ }
+
+ // *HACK: If this was in response to a packet off
+ // the network, figure out which item was updated.
+ LLMessageSystem* msg = gMessageSystem;
+
+ std::string msg_name;
+ if (mMessageName.empty())
+ {
+ msg_name = msg->getMessageName();
+ }
+ else
+ {
+ msg_name = mMessageName;
+ }
+
+ if (msg_name.empty())
+ {
+ return;
+ }
+
+ // We only want newly created inventory items. JC
+ if ( msg_name != "UpdateCreateInventoryItem")
+ {
+ return;
+ }
+
+ LLPointer<LLViewerInventoryItem> titem = new LLViewerInventoryItem;
+ S32 num_blocks = msg->getNumberOfBlocksFast(_PREHASH_InventoryData);
+ for(S32 i = 0; i < num_blocks; ++i)
+ {
+ titem->unpackMessage(msg, _PREHASH_InventoryData, i);
+ if (!(titem->getUUID().isNull()))
+ {
+ //we don't do anything with null keys
+ mAdded.push_back(titem->getUUID());
+ }
+ }
+ if (!mAdded.empty())
+ {
+ done();
+ }
+}
+
+LLInventoryTransactionObserver::LLInventoryTransactionObserver(
+ const LLTransactionID& transaction_id) :
+ mTransactionID(transaction_id)
+{
+}
+
+void LLInventoryTransactionObserver::changed(U32 mask)
+{
+ if(mask & LLInventoryObserver::ADD)
+ {
+ // This could be it - see if we are processing a bulk update
+ LLMessageSystem* msg = gMessageSystem;
+ if(msg->getMessageName()
+ && (0 == strcmp(msg->getMessageName(), "BulkUpdateInventory")))
+ {
+ // we have a match for the message - now check the
+ // transaction id.
+ LLUUID id;
+ msg->getUUIDFast(_PREHASH_AgentData, _PREHASH_TransactionID, id);
+ if(id == mTransactionID)
+ {
+ // woo hoo, we found it
+ folder_ref_t folders;
+ item_ref_t items;
+ S32 count;
+ count = msg->getNumberOfBlocksFast(_PREHASH_FolderData);
+ S32 i;
+ for(i = 0; i < count; ++i)
+ {
+ msg->getUUIDFast(_PREHASH_FolderData, _PREHASH_FolderID, id, i);
+ if(id.notNull())
+ {
+ folders.push_back(id);
+ }
+ }
+ count = msg->getNumberOfBlocksFast(_PREHASH_ItemData);
+ for(i = 0; i < count; ++i)
+ {
+ msg->getUUIDFast(_PREHASH_ItemData, _PREHASH_ItemID, id, i);
+ if(id.notNull())
+ {
+ items.push_back(id);
+ }
+ }
+
+ // call the derived class the implements this method.
+ done(folders, items);
+ }
+ }
+ }
+}
diff --git a/indra/newview/llinventoryobserver.h b/indra/newview/llinventoryobserver.h
new file mode 100644
index 00000000000..384e6292e8a
--- /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
+
--
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