/**
 * @file llpanelobjectinventory.h
 * @brief LLPanelObjectInventory class definition
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * 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_LLPANELOBJECTINVENTORY_H
#define LL_LLPANELOBJECTINVENTORY_H

#include "llvoinventorylistener.h"
#include "llpanel.h"
#include "llinventorypanel.h" // for LLFolderViewModelInventory

#include "llinventory.h"

class LLScrollContainer;
class LLFolderView;
class LLFolderViewFolder;
class LLViewerObject;

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLPanelObjectInventory
//
// This class represents the panel used to view and control a
// particular task's inventory.
//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLPanelObjectInventory : public LLPanel, public LLVOInventoryListener
{
public:
    struct Params : public LLInitParam::Block<Params, LLPanel::Params>
    {
        Optional<bool> show_root_folder;

        Params()
            : show_root_folder("show_root_folder", true)
        {}
    };

    LLPanelObjectInventory(const Params&);
    virtual ~LLPanelObjectInventory();

    virtual bool postBuild();

    LLFolderViewModelInventory& getRootViewModel() { return mInventoryViewModel; }

    void doToSelected(const LLSD& userdata);

    void refresh();
    const LLUUID& getTaskUUID() { return mTaskUUID;}
    void clearInventoryTask();
    void removeSelectedItem();
    void startRenamingSelectedItem();

    LLFolderView* getRootFolder() const { return mFolders; }

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

    /*virtual*/ void onFocusLost();
    /*virtual*/ void onFocusReceived();

    static void idle(void* user_data);

protected:
    void reset();
    /*virtual*/ void inventoryChanged(LLViewerObject* object,
                                 LLInventoryObject::object_list_t* inventory,
                                 S32 serial_num,
                                 void* user_data);
    void updateInventory();
    void createFolderViews(LLInventoryObject* inventory_root, LLInventoryObject::object_list_t& contents);
    void createViewsForCategory(LLInventoryObject::object_list_t* inventory,
                                LLInventoryObject* parent,
                                LLFolderViewFolder* folder);
    void clearContents();
    LLFolderViewItem* getItemByID(const LLUUID& id);

    void addItemID( const LLUUID& id, LLFolderViewItem*   itemp );
    void removeItemID(const LLUUID& id);
    void clearItemIDs();

    bool            handleKeyHere( KEY key, MASK mask );
    bool            isSelectionRemovable();

private:
    std::map<LLUUID, LLFolderViewItem*> mItemMap;

    LLScrollContainer* mScroller;
    LLFolderView* mFolders;

    LLUUID mTaskUUID;
    LLUUID mAttachmentUUID;
    bool mHaveInventory; // 'Loading' label and used for initial request
    bool mIsInventoryEmpty; // 'Empty' label
    bool mInventoryNeedsUpdate; // for idle, set on changed callback
    LLFolderViewModelInventory  mInventoryViewModel;
    bool mShowRootFolder;
};

#endif // LL_LLPANELOBJECTINVENTORY_H