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/**
 * @file lltoastnotifypanel.h
 * @brief Panel for notify toasts.
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * 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 LLTOASTNOTIFYPANEL_H_
#define LLTOASTNOTIFYPANEL_H_

#include "llpanel.h"
#include "llfontgl.h"
#include "llnotificationptr.h"
#include "llbutton.h"
#include "lltoastpanel.h"
#include "lliconctrl.h"
#include "lltexteditor.h"
#include "lltextbox.h"

class LLNotificationForm;

/**
 * Toast panel for notification.
 * Notification panel should be used for notifications that require a response from the user.
 *
 * Replaces class LLNotifyBox.
 *
 * @deprecated this class will be removed after all toast panel types are
 *  implemented in separate classes.
 */
class LLToastNotifyPanel: public LLCheckBoxToastPanel, public LLInstanceTracker<LLToastNotifyPanel, LLUUID, LLInstanceTrackerReplaceOnCollision>
{
public:
    /**
     * Constructor for LLToastNotifyPanel.
     *
     * @param pNotification a shared pointer to LLNotification
     * @param rect an initial rectangle of the toast panel.
     * If it is null then a loaded from xml rectangle will be used.
     * @see LLNotification
     * @deprecated if you intend to instantiate LLToastNotifyPanel - it's point to
     * implement right class for desired toast panel. @see LLGenericTipPanel as example.
     */
    LLToastNotifyPanel(const LLNotificationPtr& pNotification, const LLRect& rect = LLRect::null, bool show_images = true);

    virtual void init( LLRect rect, bool show_images );
    virtual void deleteAllChildren();

    virtual ~LLToastNotifyPanel();
    LLPanel * getControlPanel() { return mControlPanel; }

    virtual void updateNotification() {}

    bool isControlPanelEnabled() const;

protected:
    LLButton* createButton(const LLSD& form_element, BOOL is_option);

    // Used for callbacks
    struct InstanceAndS32
    {
        LLToastNotifyPanel* mSelf;
        std::string mButtonName;
    };
    std::vector<InstanceAndS32*> mBtnCallbackData;

    typedef std::pair<int,LLButton*> index_button_pair_t;
    void adjustPanelForScriptNotice(S32 max_width, S32 max_height);
    void adjustPanelForTipNotice();
    void addDefaultButton();
    /*
     * It lays out buttons of the notification in  mControlPanel.
     * Buttons will be placed from BOTTOM to TOP.
     * @param  h_pad horizontal space between buttons. It is depend on number of buttons.
     * @param buttons vector of button to be added.
     */
    void updateButtonsLayout(const std::vector<index_button_pair_t>& buttons, S32 h_pad);

    /**
     * Disable specific button(s) based on notification name and clicked button
     */
    //void disableButtons(const std::string& notification_name, const std::string& selected_button);

    //std::vector<index_button_pair_t> mButtons;

    // panel elements
    LLTextBase* mTextBox { nullptr };
    LLPanel* mInfoPanel { nullptr };    // panel for text information
    LLPanel* mControlPanel { nullptr }; // panel for buttons (if present)

    // internal handler for button being clicked
    static void onClickButton(void* data);

    typedef boost::signals2::signal <void (const LLUUID& notification_id, const std::string btn_name)>
        button_click_signal_t;
    static button_click_signal_t sButtonClickSignal;
    boost::signals2::connection mButtonClickConnection;

    /**
     * handle sButtonClickSignal (to disable buttons) across all panels with given notification_id
     */
    void onToastPanelButtonClicked(const LLUUID& notification_id, const std::string btn_name);

    /**
     * Process response data. Will disable selected options
     */
    //void disableRespondedOptions(const LLNotificationPtr& notification);

    bool mIsTip { false };
    bool mAddedDefaultBtn { false };
    bool mIsScriptDialog { false };
    bool mIsCaution { false };

    std::string mMessage;
    S32 mNumOptions { 0 };
    S32 mNumButtons { 0 };

    static const std::string sFontDefault;
    static const std::string sFontScript;
};

class LLIMToastNotifyPanel : public LLToastNotifyPanel
{
public:

    LLIMToastNotifyPanel(LLNotificationPtr& pNotification,
                        const LLUUID& session_id,
                        const LLRect& rect = LLRect::null,
                        bool show_images = true,
                        LLTextBase* parent_text = NULL);

    void compactButtons();

    virtual void updateNotification();
    virtual void init( LLRect rect, bool show_images );

    ~LLIMToastNotifyPanel();

    /*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent = TRUE);

protected:
    LLTextBase* mParentText;
    LLUUID  mSessionID;

private:
    void snapToMessageHeight();
};

#endif /* LLTOASTNOTIFYPANEL_H_ */