262 lines
7.2 KiB
C++
262 lines
7.2 KiB
C++
/**
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* @file llnotificationhandler.h
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* @brief Here are implemented Notification Handling Classes.
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*
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* $LicenseInfo:firstyear=2003&license=viewergpl$
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*
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* Copyright (c) 2003-2009, 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_LLNOTIFICATIONHANDLER_H
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#define LL_LLNOTIFICATIONHANDLER_H
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#include "llwindow.h"
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//#include "llnotificationsutil.h"
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#include "llchannelmanager.h"
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#include "llchat.h"
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namespace LLNotificationsUI
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{
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// ENotificationType enumerates all possible types of notifications that could be met
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//
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typedef enum e_notification_type
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{
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NT_NOTIFY,
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NT_NOTIFYTIP,
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NT_GROUPNOTIFY,
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NT_IMCHAT,
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NT_GROUPCHAT,
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NT_NEARBYCHAT,
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NT_ALERT,
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NT_ALERTMODAL,
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NT_OFFER
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} ENotificationType;
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/**
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* Handler of notification events.
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* This handler manages events related to toasts and chicklets. This is base class
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* for chat and system notification handlers.
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*/
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// LLEventHandler is a base class that specifies a common interface for all
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// notification handlers. It states, that every handler must react on the follofing
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// events:
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// - deleting of a toast;
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// - initialization of a corresponding channel;
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// Also every handler must have the following attributes:
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// - type of the notification that this handler is responsible to;
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// - pointer to a correspondent screen channel, in which all toasts of the handled notification's
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// type should be displayed
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// This class also provides the following signald:
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// - increment counter signal
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// - decrement counter signal
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// - update counter signal
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// - signal, that emits ID of the notification that is being processed
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//
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class LLEventHandler
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{
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public:
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virtual ~LLEventHandler() {};
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// callbacks for counters
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typedef boost::function<void (void)> notification_callback_t;
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typedef boost::signals2::signal<void (void)> notification_signal_t;
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notification_signal_t mNewNotificationSignal;
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notification_signal_t mDelNotificationSignal;
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boost::signals2::connection setNewNotificationCallback(notification_callback_t cb) { return mNewNotificationSignal.connect(cb); }
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boost::signals2::connection setDelNotification(notification_callback_t cb) { return mDelNotificationSignal.connect(cb); }
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// callback for notification/toast
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typedef boost::function<void (const LLUUID id)> notification_id_callback_t;
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typedef boost::signals2::signal<void (const LLUUID id)> notification_id_signal_t;
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notification_id_signal_t mNotificationIDSignal;
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boost::signals2::connection setNotificationIDCallback(notification_id_callback_t cb) { return mNotificationIDSignal.connect(cb); }
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protected:
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virtual void onDeleteToast(LLToast* toast)=0;
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// arrange handler's channel on a screen
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// is necessary to unbind a moment of creation of a channel and a moment of positioning of it
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// it is useful when positioning depends on positions of other controls, that could not be created
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// at the moment, when a handlers creates a channel.
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virtual void initChannel()=0;
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LLScreenChannelBase* mChannel;
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e_notification_type mType;
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};
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// LLSysHandler and LLChatHandler are more specific base classes
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// that divide all notification handlers on to groups:
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// - handlers for different system notifications (script dialogs, tips, group notices, alerts and IMs);
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// - handlers for different messaging notifications (nearby chat)
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/**
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* Handler for system notifications.
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*/
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class LLSysHandler : public LLEventHandler
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{
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public:
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virtual ~LLSysHandler() {};
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virtual bool processNotification(const LLSD& notify)=0;
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};
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/**
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* Handler for chat message notifications.
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*/
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class LLChatHandler : public LLEventHandler
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{
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public:
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virtual ~LLChatHandler() {};
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virtual void processChat(const LLChat& chat_msg)=0;
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};
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/**
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* Handler for IM notifications.
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* It manages life time of IMs, group messages.
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*/
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class LLIMHandler : public LLSysHandler
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{
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public:
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LLIMHandler(e_notification_type type, const LLSD& id);
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virtual ~LLIMHandler();
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// base interface functions
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virtual bool processNotification(const LLSD& notify);
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protected:
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virtual void onDeleteToast(LLToast* toast);
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virtual void initChannel();
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};
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/**
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* Handler for system informational notices.
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* It manages life time of tip notices.
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*/
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class LLTipHandler : public LLSysHandler
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{
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public:
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LLTipHandler(e_notification_type type, const LLSD& id);
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virtual ~LLTipHandler();
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// base interface functions
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virtual bool processNotification(const LLSD& notify);
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protected:
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virtual void onDeleteToast(LLToast* toast);
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virtual void initChannel();
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};
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/**
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* Handler for system informational notices.
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* It manages life time of script notices.
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*/
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class LLScriptHandler : public LLSysHandler
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{
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public:
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LLScriptHandler(e_notification_type type, const LLSD& id);
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virtual ~LLScriptHandler();
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// base interface functions
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virtual bool processNotification(const LLSD& notify);
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protected:
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virtual void onDeleteToast(LLToast* toast);
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virtual void initChannel();
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// own handlers
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void onRejectToast(LLUUID& id);
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};
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/**
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* Handler for group system notices.
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*/
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class LLGroupHandler : public LLSysHandler
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{
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public:
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LLGroupHandler(e_notification_type type, const LLSD& id);
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virtual ~LLGroupHandler();
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// base interface functions
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virtual bool processNotification(const LLSD& notify);
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protected:
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virtual void onDeleteToast(LLToast* toast);
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virtual void initChannel();
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// own handlers
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void onRejectToast(LLUUID& id);
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};
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/**
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* Handler for alert system notices.
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*/
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class LLAlertHandler : public LLSysHandler
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{
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public:
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LLAlertHandler(e_notification_type type, const LLSD& id);
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virtual ~LLAlertHandler();
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void setAlertMode(bool is_modal) { mIsModal = is_modal; }
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// base interface functions
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virtual bool processNotification(const LLSD& notify);
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protected:
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virtual void onDeleteToast(LLToast* toast);
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virtual void initChannel();
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bool mIsModal;
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};
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/**
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* Handler for offers notices.
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* It manages life time of offer notices.
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*/
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class LLOfferHandler : public LLSysHandler
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{
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public:
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LLOfferHandler(e_notification_type type, const LLSD& id);
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virtual ~LLOfferHandler();
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// base interface functions
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virtual bool processNotification(const LLSD& notify);
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protected:
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virtual void onDeleteToast(LLToast* toast);
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virtual void initChannel();
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// own handlers
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void onRejectToast(LLUUID& id);
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};
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}
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#endif
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