/**
 * @file llfloateravatarpicker.h
 * @brief was llavatarpicker.h
 *
 * $LicenseInfo:firstyear=2003&license=viewerlgpl$
 * 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 LLFLOATERAVATARPICKER_H
#define LLFLOATERAVATARPICKER_H

#include "llfloater.h"
#include "lleventcoro.h"
#include "llcoros.h"

#include <vector>

class LLAvatarName;
class LLScrollListCtrl;

class LLFloaterAvatarPicker :public LLFloater
{
public:
    typedef boost::signals2::signal<bool(const uuid_vec_t&), boost_boolean_combiner> validate_signal_t;
    typedef validate_signal_t::slot_type validate_callback_t;

    // The callback function will be called with an avatar name and UUID.
    typedef boost::function<void (const uuid_vec_t&, const std::vector<LLAvatarName>&)> select_callback_t;
    // Call this to select an avatar.
    static LLFloaterAvatarPicker* show(select_callback_t callback,
                                       bool allow_multiple = false,
                                       bool closeOnSelect = false,
                                       bool skip_agent = false,
                                       const std::string& name = "",
                                       LLView * frustumOrigin = NULL);

    LLFloaterAvatarPicker(const LLSD& key);
    virtual ~LLFloaterAvatarPicker();

    virtual bool postBuild();

    void setOkBtnEnableCb(validate_callback_t cb);

    static void processAvatarPickerReply(class LLMessageSystem* msg, void**);
    void processResponse(const LLUUID& query_id, const LLSD& content);

    bool handleDragAndDrop(S32 x, S32 y, MASK mask,
                           bool drop, EDragAndDropType cargo_type,
                           void *cargo_data, EAcceptance *accept,
                           std::string& tooltip_msg);

    void openFriendsTab();
    bool isExcludeAgentFromSearchResults() {return mExcludeAgentFromSearchResults;}

private:
    void editKeystroke(class LLLineEditor* caller, void* user_data);

    void onBtnFind();
    void onBtnSelect();
    void onBtnRefresh();
    void onRangeAdjust();
    void onBtnClose();
    void onList();
    void onTabChanged();
    bool isSelectBtnEnabled();

    void populateNearMe();
    void populateFriend();
    bool visibleItemsSelected() const; // Returns true if any items in the current tab are selected.

    static void findCoro(std::string url, LLUUID mQueryID, std::string mName);
    void find();
    void setAllowMultiple(bool allow_multiple);
    LLScrollListCtrl* getActiveList();

    void drawFrustum();
    virtual void draw();
    virtual bool handleKeyHere(KEY key, MASK mask);

    LLUUID              mQueryID;
    int                 mNumResultsReturned;
    bool                mNearMeListComplete;
    bool                mCloseOnSelect;
    bool                mExcludeAgentFromSearchResults;
    LLHandle <LLView>   mFrustumOrigin;
    F32                 mContextConeOpacity;
    F32                 mContextConeInAlpha;
    F32                 mContextConeOutAlpha;
    F32                 mContextConeFadeTime;

    validate_signal_t mOkButtonValidateSignal;
    select_callback_t mSelectionCallback;
};

#endif