/** * @file llnotificationhandler.h * @brief Here are implemented Notification Handling Classes. * * $LicenseInfo:firstyear=2003&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #ifndef LL_LLNOTIFICATIONHANDLER_H #define LL_LLNOTIFICATIONHANDLER_H #include "llwindow.h" //#include "llnotificationsutil.h" #include "llchannelmanager.h" #include "llchat.h" #include "llinstantmessage.h" #include "llnotificationptr.h" class LLIMFloater; namespace LLNotificationsUI { // ENotificationType enumerates all possible types of notifications that could be met // typedef enum e_notification_type { NT_NOTIFY, NT_NOTIFYTIP, NT_GROUPNOTIFY, NT_IMCHAT, NT_GROUPCHAT, NT_NEARBYCHAT, NT_ALERT, NT_ALERTMODAL, NT_OFFER } ENotificationType; /** * Handler of notification events. * This handler manages events related to toasts and chicklets. This is base class * for chat and system notification handlers. */ // LLEventHandler is a base class that specifies a common interface for all // notification handlers. It states, that every handler must react on the follofing // events: // - deleting of a toast; // - initialization of a corresponding channel; // Also every handler must have the following attributes: // - type of the notification that this handler is responsible to; // - pointer to a correspondent screen channel, in which all toasts of the handled notification's // type should be displayed // This class also provides the following signald: // - increment counter signal // - decrement counter signal // - update counter signal // - signal, that emits ID of the notification that is being processed // class LLEventHandler { public: virtual ~LLEventHandler() {}; // callbacks for counters typedef boost::function<void (void)> notification_callback_t; typedef boost::signals2::signal<void (void)> notification_signal_t; notification_signal_t mNewNotificationSignal; notification_signal_t mDelNotificationSignal; boost::signals2::connection setNewNotificationCallback(notification_callback_t cb) { return mNewNotificationSignal.connect(cb); } boost::signals2::connection setDelNotification(notification_callback_t cb) { return mDelNotificationSignal.connect(cb); } // callback for notification/toast typedef boost::function<void (const LLUUID id)> notification_id_callback_t; typedef boost::signals2::signal<void (const LLUUID id)> notification_id_signal_t; notification_id_signal_t mNotificationIDSignal; boost::signals2::connection setNotificationIDCallback(notification_id_callback_t cb) { return mNotificationIDSignal.connect(cb); } protected: virtual void onDeleteToast(LLToast* toast)=0; // arrange handler's channel on a screen // is necessary to unbind a moment of creation of a channel and a moment of positioning of it // it is useful when positioning depends on positions of other controls, that could not be created // at the moment, when a handlers creates a channel. virtual void initChannel()=0; LLScreenChannelBase* mChannel; e_notification_type mType; }; // LLSysHandler and LLChatHandler are more specific base classes // that divide all notification handlers on to groups: // - handlers for different system notifications (script dialogs, tips, group notices, alerts and IMs); // - handlers for different messaging notifications (nearby chat) /** * Handler for system notifications. */ class LLSysHandler : public LLEventHandler { public: LLSysHandler(); virtual ~LLSysHandler() {}; virtual bool processNotification(const LLSD& notify)=0; protected : static void init(); void removeExclusiveNotifications(const LLNotificationPtr& notif); typedef std::list< std::set<std::string> > exclusive_notif_sets; static exclusive_notif_sets sExclusiveNotificationGroups; }; /** * Handler for chat message notifications. */ class LLChatHandler : public LLEventHandler { public: virtual ~LLChatHandler() {}; virtual void processChat(const LLChat& chat_msg, const LLSD &args)=0; }; /** * Handler for IM notifications. * It manages life time of IMs, group messages. */ class LLIMHandler : public LLSysHandler { public: LLIMHandler(e_notification_type type, const LLSD& id); virtual ~LLIMHandler(); // base interface functions virtual bool processNotification(const LLSD& notify); protected: virtual void onDeleteToast(LLToast* toast); virtual void initChannel(); }; /** * Handler for system informational notices. * It manages life time of tip notices. */ class LLTipHandler : public LLSysHandler { public: LLTipHandler(e_notification_type type, const LLSD& id); virtual ~LLTipHandler(); // base interface functions virtual bool processNotification(const LLSD& notify); protected: virtual void onDeleteToast(LLToast* toast); virtual void onRejectToast(const LLUUID& id); virtual void initChannel(); }; /** * Handler for system informational notices. * It manages life time of script notices. */ class LLScriptHandler : public LLSysHandler { public: LLScriptHandler(e_notification_type type, const LLSD& id); virtual ~LLScriptHandler(); // base interface functions virtual bool processNotification(const LLSD& notify); protected: virtual void onDeleteToast(LLToast* toast); virtual void initChannel(); // own handlers void onRejectToast(LLUUID& id); }; /** * Handler for group system notices. */ class LLGroupHandler : public LLSysHandler { public: LLGroupHandler(e_notification_type type, const LLSD& id); virtual ~LLGroupHandler(); // base interface functions virtual bool processNotification(const LLSD& notify); protected: virtual void onDeleteToast(LLToast* toast); virtual void initChannel(); // own handlers void onRejectToast(LLUUID& id); }; /** * Handler for alert system notices. */ class LLAlertHandler : public LLSysHandler { public: LLAlertHandler(e_notification_type type, const LLSD& id); virtual ~LLAlertHandler(); void setAlertMode(bool is_modal) { mIsModal = is_modal; } // base interface functions virtual bool processNotification(const LLSD& notify); protected: virtual void onDeleteToast(LLToast* toast); virtual void initChannel(); bool mIsModal; }; /** * Handler for offers notices. * It manages life time of offer notices. */ class LLOfferHandler : public LLSysHandler { public: LLOfferHandler(e_notification_type type, const LLSD& id); virtual ~LLOfferHandler(); // base interface functions virtual bool processNotification(const LLSD& notify); protected: virtual void onDeleteToast(LLToast* toast); virtual void initChannel(); // own handlers void onRejectToast(LLUUID& id); }; /** * Handler for UI hints. */ class LLHintHandler : public LLSingleton<LLHintHandler> { public: LLHintHandler(); virtual ~LLHintHandler(); // base interface functions virtual bool processNotification(const LLSD& notify); }; /** * Handler for browser notifications */ class LLBrowserNotification : public LLSingleton<LLBrowserNotification> { public: virtual bool processNotification(const LLSD& notify); }; class LLHandlerUtil { public: /** * Checks sufficient conditions to log notification message to IM session. */ static bool canLogToIM(const LLNotificationPtr& notification); /** * Checks sufficient conditions to log notification message to nearby chat session. */ static bool canLogToNearbyChat(const LLNotificationPtr& notification); /** * Checks sufficient conditions to spawn IM session. */ static bool canSpawnIMSession(const LLNotificationPtr& notification); /** * Checks sufficient conditions to add notification toast panel IM floater. */ static bool canAddNotifPanelToIM(const LLNotificationPtr& notification); /** * Checks whether notification can be used multiple times or not. */ static bool isNotificationReusable(const LLNotificationPtr& notification); /** * Checks if passed notification can create IM session and be written into it. * * This method uses canLogToIM() & canSpawnIMSession(). */ static bool canSpawnSessionAndLogToIM(const LLNotificationPtr& notification); /** * Checks if passed notification can create toast. */ static bool canSpawnToast(const LLNotificationPtr& notification); /** * Determines whether IM floater is opened. */ static bool isIMFloaterOpened(const LLNotificationPtr& notification); /** * Determines whether IM floater is focused. */ static bool isIMFloaterFocused(const LLNotificationPtr& notification); /** * Writes notification message to IM session. */ static void logToIM(const EInstantMessage& session_type, const std::string& session_name, const std::string& from_name, const std::string& message, const LLUUID& session_owner_id, const LLUUID& from_id); /** * Writes notification message to IM p2p session. */ static void logToIMP2P(const LLNotificationPtr& notification); /** * Writes notification message to IM p2p session. */ static void logToIMP2P(const LLNotificationPtr& notification, bool to_file_only); /** * Writes group notice notification message to IM group session. */ static void logGroupNoticeToIMGroup(const LLNotificationPtr& notification); /** * Writes notification message to nearby chat. */ static void logToNearbyChat(const LLNotificationPtr& notification, EChatSourceType type); /** * Spawns IM session. */ static LLUUID spawnIMSession(const std::string& name, const LLUUID& from_id); /** * Returns name from the notification's substitution. * * Methods gets "NAME" or "[NAME]" from the substitution map. * * @param notification - Notification which substitution's name will be returned. */ static std::string getSubstitutionName(const LLNotificationPtr& notification); /** * Adds notification panel to the IM floater. */ static void addNotifPanelToIM(const LLNotificationPtr& notification); /** * Updates messages of IM floater. */ static void updateIMFLoaterMesages(const LLUUID& session_id); /** * Updates messages of visible IM floater. */ static void updateVisibleIMFLoaterMesages(const LLNotificationPtr& notification); /** * Decrements counter of IM messages. */ static void decIMMesageCounter(const LLNotificationPtr& notification); private: /** * Find IM floater based on "from_id" */ static LLIMFloater* findIMFloater(const LLNotificationPtr& notification); }; } #endif