/** * @file llscreenchannel.h * @brief Class implements a channel on a screen in which appropriate toasts may appear. * * $LicenseInfo:firstyear=2003&license=viewerlgpl$ * 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_LLSCREENCHANNEL_H #define LL_LLSCREENCHANNEL_H #include "lltoast.h" #include <map> #include <boost/shared_ptr.hpp> namespace LLNotificationsUI { typedef enum e_notification_toast_alignment { NA_TOP, NA_CENTRE, NA_BOTTOM, } EToastAlignment; typedef enum e_channel_alignment { CA_LEFT, CA_CENTRE, CA_RIGHT, } EChannelAlignment; class LLScreenChannelBase : public LLUICtrl { friend class LLChannelManager; public: LLScreenChannelBase(const LLUUID& id); ~LLScreenChannelBase(); // Channel's outfit-functions // update channel's size and position in the World View virtual void updatePositionAndSize(LLRect old_world_rect, LLRect new_world_rect); bool resetPositionAndSize(const LLSD& newvalue); // initialization of channel's shape and position virtual void init(S32 channel_left, S32 channel_right); virtual void setToastAlignment(EToastAlignment align) {mToastAlignment = align;} virtual void setChannelAlignment(EChannelAlignment align) {mChannelAlignment = align;} // kill or modify a toast by its ID virtual void killToastByNotificationID(LLUUID id) {}; virtual void modifyToastNotificationByID(LLUUID id, LLSD data) {}; // hide all toasts from screen, but not remove them from a channel virtual void hideToastsFromScreen() {}; // removes all toasts from a channel virtual void removeToastsFromChannel() {}; // show all toasts in a channel virtual void redrawToasts() {}; virtual void closeOverflowToastPanel() {}; virtual void hideOverflowToastPanel() {}; // Channel's behavior-functions // set whether a channel will control hovering inside itself or not virtual void setControlHovering(bool control) { mControlHovering = control; } bool isHovering(); void setCanStoreToasts(bool store) { mCanStoreToasts = store; } void setDisplayToastsAlways(bool display_toasts) { mDisplayToastsAlways = display_toasts; } bool getDisplayToastsAlways() { return mDisplayToastsAlways; } // get number of hidden notifications from a channel S32 getNumberOfHiddenToasts() { return mHiddenToastsNum;} void setShowToasts(bool show) { mShowToasts = show; } bool getShowToasts() { return mShowToasts; } // get toast allignment preset for a channel e_notification_toast_alignment getToastAlignment() {return mToastAlignment;} // get ID of a channel LLUUID getChannelID() { return mID; } protected: // Channel's flags bool mControlHovering; LLToast* mHoveredToast; bool mCanStoreToasts; bool mDisplayToastsAlways; // controls whether a channel shows toasts or not bool mShowToasts; // EToastAlignment mToastAlignment; EChannelAlignment mChannelAlignment; S32 mHiddenToastsNum; // channel's ID LLUUID mID; // store a connection to prevent futher crash that is caused by sending a signal to a destroyed channel boost::signals2::connection mWorldViewRectConnection; }; /** * Screen channel manages toasts visibility and positioning on the screen. */ class LLScreenChannel : public LLScreenChannelBase { friend class LLChannelManager; public: LLScreenChannel(LLUUID& id); virtual ~LLScreenChannel(); class Matcher { public: Matcher(){} virtual ~Matcher() {} virtual bool matches(const LLNotificationPtr) const = 0; }; std::list<LLToast*> findToasts(const Matcher& matcher); // Channel's outfit-functions // update channel's size and position in the World View void updatePositionAndSize(LLRect old_world_rect, LLRect new_world_rect); // initialization of channel's shape and position void init(S32 channel_left, S32 channel_right); // Operating with toasts // add a toast to a channel void addToast(const LLToast::Params& p); // kill or modify a toast by its ID void killToastByNotificationID(LLUUID id); void killMatchedToasts(const Matcher& matcher); void modifyToastByNotificationID(LLUUID id, LLPanel* panel); // hide all toasts from screen, but not remove them from a channel void hideToastsFromScreen(); // hide toast by notification id void hideToast(const LLUUID& notification_id); /** * Closes hidden matched toasts from channel. */ void closeHiddenToasts(const Matcher& matcher); // removes all toasts from a channel void removeToastsFromChannel(); // show all toasts in a channel void redrawToasts(); // void loadStoredToastsToChannel(); // finds a toast among stored by its Notification ID and throws it on a screen to a channel void loadStoredToastByNotificationIDToChannel(LLUUID id); // removes a toast from stored finding it by its Notification ID void removeStoredToastByNotificationID(LLUUID id); // removes from channel all toasts that belongs to the certain IM session void removeToastsBySessionID(LLUUID id); // remove all storable toasts from screen and store them void removeAndStoreAllStorableToasts(); // close the StartUp Toast void closeStartUpToast(); /** Stop fading given toast */ virtual void stopFadingToast(LLToast* toast); /** Start fading given toast */ virtual void startFadingToast(LLToast* toast); // get StartUp Toast's state static bool getStartUpToastShown() { return mWasStartUpToastShown; } // tell all channels that the StartUp toast was shown and allow them showing of toasts static void setStartUpToastShown() { mWasStartUpToastShown = true; } // let a channel update its ShowToast flag void updateShowToastsState(); // Channel's other interface functions functions // update number of notifications in the StartUp Toast void updateStartUpString(S32 num); LLToast* getToastByNotificationID(LLUUID id); // Channel's signals // signal on storing of faded toasts event typedef boost::function<void (LLPanel* info_panel, const LLUUID id)> store_tost_callback_t; typedef boost::signals2::signal<void (LLPanel* info_panel, const LLUUID id)> store_tost_signal_t; store_tost_signal_t mOnStoreToast; boost::signals2::connection setOnStoreToastCallback(store_tost_callback_t cb) { return mOnStoreToast.connect(cb); } // signal on rejecting of a toast event typedef boost::function<void (LLUUID id)> reject_tost_callback_t; typedef boost::signals2::signal<void (LLUUID id)> reject_tost_signal_t; reject_tost_signal_t mRejectToastSignal; boost::signals2::connection setOnRejectToastCallback(reject_tost_callback_t cb) { return mRejectToastSignal.connect(cb); } private: struct ToastElem { LLUUID id; LLToast* toast; ToastElem(LLToast::Params p) : id(p.notif_id) { toast = new LLToast(p); } ToastElem(const ToastElem& toast_elem) { id = toast_elem.id; toast = toast_elem.toast; } bool operator == (const LLUUID &id_op) const { return (id == id_op); } bool operator == (LLPanel* panel_op) const { return (toast == panel_op); } }; // Channel's handlers void onToastHover(LLToast* toast, bool mouse_enter); void onToastFade(LLToast* toast); void onToastDestroyed(LLToast* toast); void onStartUpToastHide(); // void storeToast(ToastElem& toast_elem); // send signal to observers about destroying of a toast, update channel's Hovering state, close the toast void deleteToast(LLToast* toast); // show-functions depending on allignment of toasts void showToastsBottom(); void showToastsCentre(); void showToastsTop(); // create the StartUp Toast void createStartUpToast(S32 notif_num, F32 timer); /** * Notification channel and World View ratio(0.0 - always show 1 notification, 1.0 - max ratio). */ static F32 getHeightRatio(); // Channel's flags static bool mWasStartUpToastShown; // attributes for the StartUp Toast LLToast* mStartUpToastPanel; std::vector<ToastElem> mToastList; std::vector<ToastElem> mStoredToastList; }; } #endif