C++ LLUUID::isNull方法代码示例

// TODO: Make the cache name callback take a SINGLE std::string,
// not a separate first and last name.
void LLCacheName::get(const LLUUID& id, BOOL is_group, LLCacheNameCallback callback, void* user_data)
{
	if(id.isNull())
	{
		callback(id, CN_NOBODY, "", is_group, user_data);
	}

	LLCacheNameEntry* entry = get_ptr_in_map(impl.mCache, id );
	if (entry)
	{
		// id found in map therefore we can call the callback immediately.
		if (entry->mIsGroup)
		{
			callback(id, entry->mGroupName, "", entry->mIsGroup, user_data);
		}
		else
		{
			callback(id, entry->mFirstName, entry->mLastName, entry->mIsGroup, user_data);
		}
	}
	else
	{
		// id not found in map so we must queue the callback call until available.
		if (!impl.isRequestPending(id))
		{
			if (is_group)
			{
				impl.mAskGroupQueue.insert(id);
			}
			else
			{
				impl.mAskNameQueue.insert(id);
			}
		}
		impl.mReplyQueue.push_back(PendingReply(id, callback, user_data));
	}
}

void LLScriptFloaterManager::onRemoveNotification(const LLUUID& notification_id)
{
    if(notification_id.isNull())
    {
        llwarns << "Invalid notification ID" << llendl;
        return;
    }

    // remove related chiclet
    LLBottomTray::getInstance()->getChicletPanel()->removeChiclet(notification_id);

    LLIMWellWindow::getInstance()->removeObjectRow(notification_id);

    mNotifications.erase(notification_id);

    // close floater
    LLScriptFloater* floater = LLFloaterReg::findTypedInstance<LLScriptFloater>("script_floater", notification_id);
    if(floater)
    {
        floater->savePosition();
        floater->setNotificationId(LLUUID::null);
        floater->closeFloater();
    }
}

// static
void LLAvatarActions::startIM(const LLUUID& id)
{
	if (id.isNull() || gAgentID == id)
		return;

// [RLVa:KB] - Checked: 2011-04-11 (RLVa-1.3.0h) | Added: RLVa-1.3.0h
	if ( (rlv_handler_t::isEnabled()) && (!gRlvHandler.canStartIM(id)) )
	{
		LLUUID idSession = gIMMgr->computeSessionID(IM_NOTHING_SPECIAL, id);
		if ( (idSession.notNull()) && (!gIMMgr->hasSession(idSession)) )
		{
			make_ui_sound("UISndInvalidOp");
			RlvUtil::notifyBlocked(RLV_STRING_BLOCKED_STARTIM, LLSD().with("RECIPIENT", LLSLURL("agent", id, "completename").getSLURLString()));
			return;
		}
	}
// [/RLVa:KB]

	LLAvatarName av_name;
	if (LLAvatarNameCache::get(id, &av_name)) // Bypass expiration, open NOW!
		on_avatar_name_cache_start_im(id, av_name);
	else
		LLAvatarNameCache::get(id, boost::bind(&on_avatar_name_cache_start_im, _1, _2));
}

void FloaterAO::onAnimationChanged(const LLUUID& animation)
{
	LL_DEBUGS("AOEngine") << "Received animation change to " << animation << LL_ENDL;

	if(mCurrentBoldItem)
	{
		LLScrollListText* column=(LLScrollListText*) mCurrentBoldItem->getColumn(1);
		column->setFontStyle(LLFontGL::NORMAL);

		mCurrentBoldItem=NULL;
	}

	if(animation.isNull())
	{
		return;
	}

	// why do we have no LLScrollListCtrl::getItemByUserdata() ? -Zi
	std::vector<LLScrollListItem*> item_list=mAnimationList->getAllData();
	std::vector<LLScrollListItem*>::const_iterator iter;
	for(iter=item_list.begin();iter!=item_list.end();iter++)
	{
		LLScrollListItem* item=*iter;
		LLUUID* id=(LLUUID*) item->getUserdata();

		if(id==&animation)
		{
			mCurrentBoldItem=item;

			LLScrollListText* column=(LLScrollListText*) mCurrentBoldItem->getColumn(1);
			column->setFontStyle(LLFontGL::BOLD);

			return;
		}
	}
}

BOOL LLPermissions::setBaseBits(const LLUUID& agent, BOOL set, PermissionMask bits)
{
	BOOL ownership = FALSE;
	if(agent.isNull())
	{
		// only the system is always allowed to change base bits
		ownership = TRUE;
	}

	if (ownership)
	{
		if (set)
		{
			mMaskBase |= bits;		// turn on bits
		}
		else
		{
			mMaskBase &= ~bits;		// turn off bits
		}
		fix();
	}

	return ownership;
}

// static
void LLGroupActions::show(const LLUUID& group_id, const std::string& tab_name)
{
	if (group_id.isNull())
		return;

	LLSD params;
	params["group_id"] = group_id;
	params["open_tab_name"] = tab_name;

	// <FS:Ansariel> Standalone group floaters
	//LLFloaterSidePanelContainer::showPanel("people", "panel_group_info_sidetray", params);
	LLFloater* floater = NULL;
	if (gSavedSettings.getBOOL("FSUseStandaloneGroupFloater")) 
	{
		floater = FSFloaterGroup::openGroupFloater(params);
	}
	else
	{
		LLFloaterSidePanelContainer::showPanel("people", "panel_group_info_sidetray", params);
		LLFloaterSidePanelContainer* floater_people = LLFloaterReg::findTypedInstance<LLFloaterSidePanelContainer>("people");
		if (floater_people)
		{
			LLPanel* group_info_panel = floater_people->getPanel("people", "panel_group_info_sidetray");
			if (group_info_panel && group_info_panel->getVisible())
			{
				floater = floater_people;
			}
		}
	}

	if (floater && floater->isMinimized())
	{
		floater->setMinimized(FALSE);
	}
	// </FS:Ansariel>
}

void LLIMMgr::updateIgnoreGroup(const LLUUID& group_id, bool ignore)
{
	if (group_id.isNull()) return;

	if (getIgnoreGroup(group_id) == ignore)
	{
		// nothing to do
		// LL_INFOS() << "no change to group " << group_id << ", it is already "
		//         << (ignore ? "" : "not ") << "ignored" << LL_ENDL;
		return;
	}
	else if (!ignore)
	{
		// change from ignored to not ignored
		// LL_INFOS() << "unignoring group " << group_id << LL_ENDL;
		mIgnoreGroupList.remove(group_id);
	}
	else //if (ignore)
	{
		// change from not ignored to ignored
		// LL_INFOS() << "ignoring group " << group_id << LL_ENDL;
		mIgnoreGroupList.push_back(group_id);
	}
}

LLAudioData::LLAudioData(const LLUUID &uuid) :
	mID(uuid),
	mBufferp(NULL),
	mHasLocalData(false),
	mHasDecodedData(false),
	mHasValidData(true)
{
	if (uuid.isNull())
	{
		// This is a null sound.
		return;
	}
	
	if (gAudiop && gAudiop->hasDecodedFile(uuid))
	{
		// Already have a decoded version, don't need to decode it.
		mHasLocalData = true;
		mHasDecodedData = true;
	}
	else if (gAssetStorage && gAssetStorage->hasLocalAsset(uuid, LLAssetType::AT_SOUND))
	{
		mHasLocalData = true;
	}
}

void LLPanelFace::getState()
{
	LLViewerObject* objectp = LLSelectMgr::getInstance()->getSelection()->getFirstObject();
	LLCalc* calcp = LLCalc::getInstance();

	if( objectp
		&& objectp->getPCode() == LL_PCODE_VOLUME
		&& objectp->permModify())
	{
		BOOL editable = objectp->permModify();

		// only turn on auto-adjust button if there is a media renderer and the media is loaded
		childSetEnabled("textbox autofix",FALSE);
		//mLabelTexAutoFix->setEnabled ( FALSE );
		childSetEnabled("button align",FALSE);
		//mBtnAutoFix->setEnabled ( FALSE );
		
		//if ( LLMediaEngine::getInstance()->getMediaRenderer () )
		//	if ( LLMediaEngine::getInstance()->getMediaRenderer ()->isLoaded () )
		//	{	
		//		
		//		//mLabelTexAutoFix->setEnabled ( editable );
		//		
		//		//mBtnAutoFix->setEnabled ( editable );
		//	}
		childSetEnabled("button apply",editable);

		bool identical;
		LLTextureCtrl*	texture_ctrl = getChild<LLTextureCtrl>("texture control");
		
		// Texture
		{
			LLUUID id;
			struct f1 : public LLSelectedTEGetFunctor<LLUUID>
			{
				LLUUID get(LLViewerObject* object, S32 te)
				{
					LLViewerImage* image = object->getTEImage(te);
					return image ? image->getID() : LLUUID::null;
				}
			} func;
			identical = LLSelectMgr::getInstance()->getSelection()->getSelectedTEValue( &func, id );

			if (identical)
			{
				// All selected have the same texture
				if(texture_ctrl)
				{
					texture_ctrl->setTentative( FALSE );
					texture_ctrl->setEnabled( editable );
					texture_ctrl->setImageAssetID( id );
				}
			}
			else
			{
				if(texture_ctrl)
				{
					if( id.isNull() )
					{
						// None selected
						texture_ctrl->setTentative( FALSE );
						texture_ctrl->setEnabled( FALSE );
						texture_ctrl->setImageAssetID( LLUUID::null );
					}
					else
					{
						// Tentative: multiple selected with different textures
						texture_ctrl->setTentative( TRUE );
						texture_ctrl->setEnabled( editable );
						texture_ctrl->setImageAssetID( id );
					}
				}
			}

			if(LLViewerMedia::textureHasMedia(id))
			{
				childSetEnabled("textbox autofix",editable);
				childSetEnabled("button align",editable);
			}

		}

		
		LLAggregatePermissions texture_perms;
		if(texture_ctrl)
		{
// 			texture_ctrl->setValid( editable );
		
			if (LLSelectMgr::getInstance()->selectGetAggregateTexturePermissions(texture_perms))
			{
				BOOL can_copy = 
					texture_perms.getValue(PERM_COPY) == LLAggregatePermissions::AP_EMPTY || 
					texture_perms.getValue(PERM_COPY) == LLAggregatePermissions::AP_ALL;
				BOOL can_transfer = 
					texture_perms.getValue(PERM_TRANSFER) == LLAggregatePermissions::AP_EMPTY || 
					texture_perms.getValue(PERM_TRANSFER) == LLAggregatePermissions::AP_ALL;
				texture_ctrl->setCanApplyImmediately(can_copy && can_transfer);
			}
			else
			{
//.........这里部分代码省略.........

void LLInventoryPanel::buildNewViews(const LLUUID& id)
{
	LLFolderViewItem* itemp = NULL;
	LLInventoryObject* objectp = gInventory.getObject(id);

	if (objectp)
	{		
		if (objectp->getType() <= LLAssetType::AT_NONE ||
			objectp->getType() >= LLAssetType::AT_COUNT)
		{
			llwarns << "LLInventoryPanel::buildNewViews called with objectp->mType == " 
				<< ((S32) objectp->getType())
				<< " (shouldn't happen)" << llendl;
		}
		else if (objectp->getType() == LLAssetType::AT_CATEGORY) // build new view for category
		{
			LLInvFVBridge* new_listener = LLInvFVBridge::createBridge(objectp->getType(),
													LLInventoryType::IT_CATEGORY,
													this,
													objectp->getUUID());

			if (new_listener)
			{
				LLFolderViewFolder* folderp = new LLFolderViewFolder(new_listener->getDisplayName(),
													new_listener->getIcon(),
													mFolders,
													new_listener);
				
				folderp->setItemSortOrder(mFolders->getSortOrder());
				itemp = folderp;
			}
		}
		else // build new view for item
		{
			LLInventoryItem* item = (LLInventoryItem*)objectp;
			LLInvFVBridge* new_listener = LLInvFVBridge::createBridge(
				item->getType(),
				item->getInventoryType(),
				this,
				item->getUUID(),
				item->getFlags());
			if (new_listener)
			{
				itemp = new LLFolderViewItem(new_listener->getDisplayName(),
												new_listener->getIcon(),
												new_listener->getCreationDate(),
												mFolders,
												new_listener);
			}
		}

		LLFolderViewFolder* parent_folder = (LLFolderViewFolder*)mFolders->getItemByID(objectp->getParentUUID());

		if (itemp)
		{
			if (parent_folder)
			{
				itemp->addToFolder(parent_folder, mFolders);
			}
			else
			{
				llwarns << "Couldn't find parent folder for child " << itemp->getLabel() << llendl;
				delete itemp;
			}
		}
	}

	if ((id.isNull() ||
		(objectp && objectp->getType() == LLAssetType::AT_CATEGORY)))
	{
		LLViewerInventoryCategory::cat_array_t* categories;
		LLViewerInventoryItem::item_array_t* items;

		mInventory->lockDirectDescendentArrays(id, categories, items);
		if(categories)
		{
			S32 count = categories->count();
			for(S32 i = 0; i < count; ++i)
			{
				LLInventoryCategory* cat = categories->get(i);
				buildNewViews(cat->getUUID());
			}
		}
		if(items)
		{
			S32 count = items->count();
			for(S32 i = 0; i < count; ++i)
			{
				LLInventoryItem* item = items->get(i);
				buildNewViews(item->getUUID());
			}
		}
		mInventory->unlockDirectDescendentArrays(id);
	}
}

LLGroupNotifyBox::LLGroupNotifyBox(const std::string& subject,
								   const std::string& message,
								   const std::string& from_name,
								   const LLUUID& group_id,
								   const LLUUID& group_insignia,
								   const std::string& group_name,
								   const U32& t,
								   const bool& has_inventory,
								   const std::string& inventory_name,
								   LLOfferInfo* inventory_offer)
:	LLPanel(std::string("groupnotify"), LLGroupNotifyBox::getGroupNotifyRect(), BORDER_YES),
	mAnimating(TRUE),
	mTimer(),
	mGroupID(group_id),
	mHasInventory(has_inventory),
	mInventoryOffer(inventory_offer)
{
	setFocusRoot(TRUE);

	time_t timestamp = (time_t)t;

	std::string time_buf = g_formatted_time(timestamp);

	setFollows(FOLLOWS_TOP|FOLLOWS_RIGHT);
	setBackgroundVisible(TRUE);
	setBackgroundOpaque(TRUE);

	// TODO: add a color for group notices
	setBackgroundColor( gColors.getColor("GroupNotifyBoxColor") );

	LLIconCtrl* icon;
	LLTextEditor* text;

	const S32 VPAD = 2;
	const S32 TOP = getRect().getHeight() - 32; // Get past the top menu bar
	const S32 BOTTOM_PAD = VPAD * 2;
	const S32 BTN_TOP = BOTTOM_PAD + BTN_HEIGHT + VPAD;
	const S32 RIGHT = getRect().getWidth() - HPAD - HPAD;
	const S32 LINE_HEIGHT = 16;

	const S32 LABEL_WIDTH = 64;
	const S32 ICON_WIDTH = 64;

	S32 y = TOP;
	S32 x = HPAD + HPAD;

	class NoticeText : public LLTextBox
	{
	public:
		NoticeText(const std::string& name, const LLRect& rect, const std::string& text = LLStringUtil::null, const LLFontGL* font = NULL) 
			: LLTextBox(name, rect, text, font)
		{
			setHAlign(LLFontGL::RIGHT);
			setFontStyle(LLFontGL::DROP_SHADOW_SOFT);
			setBorderVisible(FALSE);
			setColor( gColors.getColor("GroupNotifyTextColor") );
			setBackgroundColor( gColors.getColor("GroupNotifyBoxColor") );
		}
	};


	// Title
	addChild(new NoticeText(std::string("title"),LLRect(x,y,RIGHT - HPAD,y - LINE_HEIGHT),std::string("Group Notice"),LLFontGL::sSansSerifHuge));

	y -= llfloor(1.5f*LINE_HEIGHT);

	x += HPAD + HPAD + ICON_WIDTH;

	std::stringstream from;
	from << "Sent by " << from_name << ", " << group_name;

	addChild(new NoticeText(std::string("group"),LLRect(x,y,RIGHT - HPAD,y - LINE_HEIGHT),from.str(),LLFontGL::sSansSerif));
	
	y -= (LINE_HEIGHT + VPAD);
	x = HPAD + HPAD;

	// TODO: change this to be the group icon.
	if (!group_insignia.isNull())
	{
		icon = new LLIconCtrl(std::string("icon"),
							  LLRect(x, y, x+ICON_WIDTH, y-ICON_WIDTH),
							  group_insignia);
	}
	else
	{
		icon = new LLIconCtrl(std::string("icon"),
							  LLRect(x, y, x+ICON_WIDTH, y-ICON_WIDTH),
							  std::string("notify_box_icon.tga"));
	}

	icon->setMouseOpaque(FALSE);
	addChild(icon);

	x += HPAD + HPAD + ICON_WIDTH;
	// If we have inventory with this message, leave room for the name.
	S32 box_bottom = BTN_TOP + (mHasInventory ? (LINE_HEIGHT + 2*VPAD) : 0);

	text = new LLViewerTextEditor(std::string("box"),
		LLRect(x, y, RIGHT, box_bottom),
		DB_GROUP_NOTICE_MSG_STR_LEN,
//.........这里部分代码省略.........

void LLAssetStorage::getEstateAsset(const LLHost &object_sim, const LLUUID &agent_id, const LLUUID &session_id,
									const LLUUID &asset_id, LLAssetType::EType atype, EstateAssetType etype,
									 LLGetAssetCallback callback, void *user_data, BOOL is_priority)
{
	lldebugs << "LLAssetStorage::getEstateAsset() - " << asset_id << "," << LLAssetType::lookup(atype) << ", estatetype " << etype << llendl;

	//
	// Probably will get rid of this early out?
	//
	if (asset_id.isNull())
	{
		// Special case early out for NULL uuid
		if (callback)
		{
			callback(mVFS, asset_id, atype, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
		}
		return;
	}

	BOOL exists = mVFS->getExists(asset_id, atype);
	LLVFile file(mVFS, asset_id, atype);
	U32 size = exists ? file.getSize() : 0;

	if (size < 1)
	{
		if (exists)
		{
			llwarns << "Asset vfile " << asset_id << ":" << atype << " found with bad size " << file.getSize() << ", removing" << llendl;
			file.remove();
		}

		// See whether we should talk to the object's originating sim, or the upstream provider.
		LLHost source_host;
		if (object_sim.isOk())
		{
			source_host = object_sim;
		}
		else
		{
			source_host = mUpstreamHost;
		}
		if (source_host.isOk())
		{
			// stash the callback info so we can find it after we get the response message
			LLEstateAssetRequest *req = new LLEstateAssetRequest(asset_id, atype, etype);
			req->mDownCallback = callback;
			req->mUserData = user_data;
			req->mIsPriority = is_priority;

			// send request message to our upstream data provider
			// Create a new asset transfer.
			LLTransferSourceParamsEstate spe;
			spe.setAgentSession(agent_id, session_id);
			spe.setEstateAssetType(etype);

			// Set our destination file, and the completion callback.
			LLTransferTargetParamsVFile tpvf;
			tpvf.setAsset(asset_id, atype);
			tpvf.setCallback(downloadEstateAssetCompleteCallback, req);

			llinfos << "Starting transfer for " << asset_id << llendl;
			LLTransferTargetChannel *ttcp = gTransferManager.getTargetChannel(source_host, LLTCT_ASSET);
			ttcp->requestTransfer(spe, tpvf, 100.f + (is_priority ? 1.f : 0.f));
		}
		else
		{
			// uh-oh, we shouldn't have gotten here
			llwarns << "Attempt to move asset data request upstream w/o valid upstream provider" << llendl;
			if (callback)
			{
				callback(mVFS, asset_id, atype, user_data, LL_ERR_CIRCUIT_GONE, LL_EXSTAT_NO_UPSTREAM);
			}
		}
	}
	else
	{
		// we've already got the file
		// theoretically, partial files w/o a pending request shouldn't happen
		// unless there's a weird error
		if (callback)
		{
			callback(mVFS, asset_id, atype, user_data, LL_ERR_NOERR, LL_EXSTAT_VFS_CACHED);
		}
	}
}

// IW - uuid is passed by value to avoid side effects, please don't re-add &    
void LLAssetStorage::getAssetData(const LLUUID uuid, LLAssetType::EType type, void (*callback)(LLVFS *vfs, const LLUUID&, LLAssetType::EType, void *, S32, LLExtStat), void *user_data, BOOL is_priority)
{
	lldebugs << "LLAssetStorage::getAssetData() - " << uuid << "," << LLAssetType::lookup(type) << llendl;

	if (mShutDown)
	{
		return; // don't get the asset or do any callbacks, we are shutting down
	}
		
	if (uuid.isNull())
	{
		// Special case early out for NULL uuid
		if (callback)
		{
			callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
		}
		return;
	}
	/* <edit> */ 
	if(std::find(mBlackListedAsset.begin(),mBlackListedAsset.end(),uuid) != mBlackListedAsset.end())
	{
		llinfos << "Blacklisted asset " << uuid.asString() << " was trying to be accessed!!!!!!" << llendl; 
		if (callback)
		{
			callback(mVFS, uuid, type, user_data, LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE, LL_EXSTAT_NULL_UUID);
		}
		return;
	}
	/* </edit> */

	BOOL exists = mVFS->getExists(uuid, type);
	LLVFile file(mVFS, uuid, type);
	U32 size = exists ? file.getSize() : 0;
	
	if (size < 1)
	{
		if (exists)
		{
			llwarns << "Asset vfile " << uuid << ":" << type << " found with bad size " << file.getSize() << ", removing" << llendl;
			file.remove();
		}
		
		BOOL duplicate = FALSE;
		
		// check to see if there's a pending download of this uuid already
		for (request_list_t::iterator iter = mPendingDownloads.begin();
			 iter != mPendingDownloads.end(); ++iter )
		{
			LLAssetRequest  *tmp = *iter;
			if ((type == tmp->getType()) && (uuid == tmp->getUUID()))
			{
				if (callback == tmp->mDownCallback && user_data == tmp->mUserData)
				{
					// this is a duplicate from the same subsystem - throw it away
					llwarns << "Discarding duplicate request for asset " << uuid
							<< "." << LLAssetType::lookup(type) << llendl;
					return;
				}
				
				// this is a duplicate request
				// queue the request, but don't actually ask for it again
				duplicate = TRUE;
			}
		}
		if (duplicate)
		{
			llinfos << "Adding additional non-duplicate request for asset " << uuid 
					<< "." << LLAssetType::lookup(type) << llendl;
		}
		
		// This can be overridden by subclasses
		_queueDataRequest(uuid, type, callback, user_data, duplicate, is_priority);	
	}
	else
	{
		// we've already got the file
		// theoretically, partial files w/o a pending request shouldn't happen
		// unless there's a weird error
		if (callback)
		{
			callback(mVFS, uuid, type, user_data, LL_ERR_NOERR, LL_EXSTAT_VFS_CACHED);
		}
	}
}

bool LLAudioSource::play(const LLUUID &audio_uuid)
{
	// NaCl - Sound Explorer
	if(mType != LLAudioEngine::AUDIO_TYPE_UI) //&& mSourceID.notNull())
	{
		logSoundPlay(mLogID, this, mPositionGlobal, mType, audio_uuid, mOwnerID, mSourceID, mIsTrigger, mLoop);
	}
	// NaCl End
	// Special abuse of play(); don't play a sound, but kill it.
	if (audio_uuid.isNull())
	{
		if (getChannel())
		{
			// NaCl - Sound Explorer
			if(getChannel()->getSource())
			// NaCl End
			getChannel()->setSource(NULL);
			setChannel(NULL);
			if (!isMuted())
			{
				mCurrentDatap = NULL;
			}
		}
		return false;
	}

	// Reset our age timeout if someone attempts to play the source.
	mAgeTimer.reset();

	if (!gAudiop)
	{
		LL_WARNS("AudioEngine") << "LLAudioEngine instance doesn't exist!" << LL_ENDL;
		return false;
	}

	LLAudioData *adp = gAudiop->getAudioData(audio_uuid);
	if( !adp )
		return false;
	addAudioData(adp);

	if (isMuted())
	{
		return false;
	}

	bool has_buffer = gAudiop->updateBufferForData(adp, audio_uuid);
	if (!has_buffer)
	{
		// Don't bother trying to set up a channel or anything, we don't have an audio buffer.
		return false;
	}

	if (!setupChannel())
	{
		return false;
	}

	if (isSyncSlave())
	{
		// A sync slave, it doesn't start playing until it's synced up with the master.
		// Flag this channel as waiting for sync, and return true.
		getChannel()->setWaiting(true);
		return true;
	}

	getChannel()->play();
	return true;
}

void LLScriptFloaterManager::onAddNotification(const LLUUID& notification_id)
{
	if(notification_id.isNull())
	{
		llwarns << "Invalid notification ID" << llendl;
		return;
	}

	// get scripted Object's ID
	LLUUID object_id = notification_id_to_object_id(notification_id);
	
	// Need to indicate of "new message" for object chiclets according to requirements
	// specified in the Message Bar design specification. See EXT-3142.
	bool set_new_message = false;
	EObjectType obj_type = getObjectType(notification_id);

	// LLDialog can spawn only one instance, LLLoadURL and LLGiveInventory can spawn unlimited number of instances
	if(OBJ_SCRIPT == obj_type)
	{
//		// If an Object spawns more-than-one floater, only the newest one is shown. 
//		// The previous is automatically closed.
//		script_notification_map_t::const_iterator it = findUsingObjectId(object_id);
// [SL:KB] - Patch: UI-ScriptDialog | Checked: 2011-01-17 (Catznip-2.4.0h) | Added: Catznip-2.4.0h
		script_notification_map_t::const_iterator it = mNotifications.end();
		switch (gSavedSettings.getS32("ScriptDialogPerObject"))
		{
			case 0:			// One script dialog per object (viewer 2 default)
				{
					// If an Object spawns more-than-one floater, only the newest one is shown.
					// The previous is automatically closed.
					it = findUsingObjectId(object_id);
				}
				break;
			case 1:			// One script dialog per reply channel per object
				{
					// We'll allow an object to have more than one script dialog floater open, but we'll limit it to one per chat channel
					// (in practice a lot of objects open a new listen channel for each new dialog but it still reduces chiclets somewhat)
					LLNotificationPtr newNotif = LLNotifications::instance().find(notification_id);
					if (newNotif)
					{
						S32 nNewChannel = newNotif->getPayload()["chat_channel"].asInteger();
						for (it = mNotifications.begin(); it != mNotifications.end(); ++it)
						{
							if (it->second == object_id)
							{
								LLNotificationPtr curNotif = LLNotifications::instance().find(it->first);
								if (curNotif)
								{
									S32 nCurChannel = curNotif->getPayload()["chat_channel"].asInteger();
									if (nNewChannel == nCurChannel)
										break;
								}
							}
						}
					}
				}
				break;
			case 2:			// Unconstrained
			default:
				break;
		}
// [/SL:KB]

		if(it != mNotifications.end())
		{
			LLIMChiclet* chiclet = LLChicletBar::getInstance()->getChicletPanel()->findChiclet<LLIMChiclet>(it->first);
			if(chiclet)
			{
				// Pass the new_message icon state further.
				set_new_message = chiclet->getShowNewMessagesIcon();
			}

			LLScriptFloater* floater = LLFloaterReg::findTypedInstance<LLScriptFloater>("script_floater", it->first);
			if(floater)
			{
				// Generate chiclet with a "new message" indicator if a docked window was opened but not in focus. See EXT-3142.
				set_new_message |= !floater->hasFocus();
			}

			removeNotification(it->first);
		}
	}

	mNotifications.insert(std::make_pair(notification_id, object_id));

	// Create inventory offer chiclet for offer type notifications
	if( OBJ_GIVE_INVENTORY == obj_type )
	{
		LLChicletBar::instance().getChicletPanel()->createChiclet<LLInvOfferChiclet>(notification_id);
	}
	else
	{
		LLChicletBar::getInstance()->getChicletPanel()->createChiclet<LLScriptChiclet>(notification_id);
	}

	LLIMWellWindow::getInstance()->addObjectRow(notification_id, set_new_message);

	LLSD data;
	data["notification_id"] = notification_id;
	data["new_message"] = set_new_message;
//.........这里部分代码省略.........