/** 
 * @file llsidepaneliteminfo.h
 * @brief A panel which shows an inventory item's properties.
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * 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_LLSIDEPANELITEMINFO_H
#define LL_LLSIDEPANELITEMINFO_H

#include "llinventoryobserver.h"
#include "llpanel.h"

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLSidepanelItemInfo
// Object properties for inventory side panel.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class LLButton;
class LLFloater;
class LLViewerInventoryItem;
class LLItemPropertiesObserver;
class LLObjectInventoryObserver;
class LLViewerObject;
class LLPermissions;

class LLSidepanelItemInfo : public LLPanel, public LLInventoryObserver
{
public:
	LLSidepanelItemInfo(const LLPanel::Params& p = getDefaultParams());
	virtual ~LLSidepanelItemInfo();
	
	/*virtual*/ BOOL postBuild() override;
	/*virtual*/ void reset();

	void setObjectID(const LLUUID& object_id);
	void setItemID(const LLUUID& item_id);
    void setParentFloater(LLFloater* parent); // For simplicity

	const LLUUID& getObjectID() const;
	const LLUUID& getItemID() const;

	// if received update and item id (from callback) matches internal ones, update UI
	void onUpdateCallback(const LLUUID& item_id, S32 received_update_id);
    
    void changed(U32 mask) override;
    void dirty();
    
    static void onIdle( void* user_data );

protected:
	void refresh() override;
	void save();

	LLViewerInventoryItem* findItem() const;
	LLViewerObject*  findObject() const;
	
	void refreshFromItem(LLViewerInventoryItem* item);

private:
    static void setAssociatedExperience( LLHandle<LLSidepanelItemInfo> hInfo, const LLSD& experience );

	void startObjectInventoryObserver();
	void stopObjectInventoryObserver();
	void setPropertiesFieldsEnabled(bool enabled);

	LLUUID mItemID; 	// inventory UUID for the inventory item.
	LLUUID mObjectID; 	// in-world task UUID, or null if in agent inventory.
	LLObjectInventoryObserver* mObjectInventoryObserver; // for syncing changes to items inside an object

	// We can send multiple properties updates simultaneously, make sure only last response counts and there won't be a race condition.
	S32 mUpdatePendingId;
    bool mIsDirty;         // item properties need to be updated
    LLFloater* mParentFloater;

	//
	// UI Elements
	// 
protected:
	void 						onClickCreator();
	void 						onClickOwner();
	void 						onCommitName();
	void 						onCommitDescription();
	void 						onCommitPermissions(LLUICtrl* ctrl);
	void 						updatePermissions();
	void 						onCommitSaleInfo(LLUICtrl* ctrl);
	void 						updateSaleInfo();
	void 						onCommitChanges(LLPointer<LLViewerInventoryItem> item);
};

#endif // LL_LLSIDEPANELITEMINFO_H