/** 
 * @file llpanelavatar.cpp
 * @brief LLPanelAvatar and related class implementations
 *
 * $LicenseInfo:firstyear=2004&license=viewerlgpl$
 * 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
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"
#include "llpanelavatar.h"

#include "llagent.h"
#include "llavataractions.h"
#include "llcallingcard.h"
#include "llcombobox.h"
#include "lldateutil.h"			// ageFromDate()
#include "llimview.h"
#include "llmenubutton.h"
#include "llnotificationsutil.h"
#include "llslurl.h"
#include "lltexteditor.h"
#include "lltexturectrl.h"
#include "lltoggleablemenu.h"
#include "lltooldraganddrop.h"
#include "llscrollcontainer.h"
#include "llavatariconctrl.h"
#include "llfloaterreg.h"
#include "llnotificationsutil.h"
#include "llviewermenu.h" // is_agent_mappable
#include "llvoiceclient.h"
#include "lltextbox.h"
#include "lltrans.h"

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLDropTarget
//
// This handy class is a simple way to drop something on another
// view. It handles drop events, always setting itself to the size of
// its parent.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class LLDropTarget : public LLView
{
public:
	struct Params : public LLInitParam::Block<Params, LLView::Params>
	{
		Optional<LLUUID> agent_id;
		Params()
		:	agent_id("agent_id")
		{
			changeDefault(mouse_opaque, false);
			changeDefault(follows.flags, FOLLOWS_ALL);
		}
	};

	LLDropTarget(const Params&);
	~LLDropTarget();

	void doDrop(EDragAndDropType cargo_type, void* cargo_data);

	//
	// LLView functionality
	virtual BOOL handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
								   EDragAndDropType cargo_type,
								   void* cargo_data,
								   EAcceptance* accept,
								   std::string& tooltip_msg);
	void setAgentID(const LLUUID &agent_id)		{ mAgentID = agent_id; }
protected:
	LLUUID mAgentID;
};

LLDropTarget::LLDropTarget(const LLDropTarget::Params& p) 
:	LLView(p),
	mAgentID(p.agent_id)
{}

LLDropTarget::~LLDropTarget()
{}

void LLDropTarget::doDrop(EDragAndDropType cargo_type, void* cargo_data)
{
	LL_INFOS() << "LLDropTarget::doDrop()" << LL_ENDL;
}

BOOL LLDropTarget::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
									 EDragAndDropType cargo_type,
									 void* cargo_data,
									 EAcceptance* accept,
									 std::string& tooltip_msg)
{
	if(getParent())
	{
		LLToolDragAndDrop::handleGiveDragAndDrop(mAgentID, LLUUID::null, drop,
												 cargo_type, cargo_data, accept);

		return TRUE;
	}

	return FALSE;
}

static LLDefaultChildRegistry::Register<LLDropTarget> r("drop_target");

//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////

LLPanelProfileTab::LLPanelProfileTab()
: LLPanel()
, mAvatarId(LLUUID::null)
{
}

LLPanelProfileTab::~LLPanelProfileTab()
{
	if(getAvatarId().notNull())
	{
		LLAvatarPropertiesProcessor::getInstance()->removeObserver(getAvatarId(),this);
	}
}

void LLPanelProfileTab::setAvatarId(const LLUUID& id)
{
	if(id.notNull())
	{
		if(getAvatarId().notNull())
		{
			LLAvatarPropertiesProcessor::getInstance()->removeObserver(mAvatarId,this);
		}
		mAvatarId = id;
		LLAvatarPropertiesProcessor::getInstance()->addObserver(getAvatarId(),this);
	}
}

void LLPanelProfileTab::onOpen(const LLSD& key)
{
	// Don't reset panel if we are opening it for same avatar.
	if(getAvatarId() != key.asUUID())
	{
		resetControls();
		resetData();

		scrollToTop();
	}

	// Update data even if we are viewing same avatar profile as some data might been changed.
	setAvatarId(key.asUUID());
	updateData();
	updateButtons();
}

void LLPanelProfileTab::scrollToTop()
{
	LLScrollContainer* scrollContainer = findChild<LLScrollContainer>("profile_scroll");
	if (scrollContainer)
		scrollContainer->goToTop();
}

void LLPanelProfileTab::onMapButtonClick()
{
	LLAvatarActions::showOnMap(getAvatarId());
}

void LLPanelProfileTab::updateButtons()
{
	bool is_buddy_online = LLAvatarTracker::instance().isBuddyOnline(getAvatarId());
	
	if(LLAvatarActions::isFriend(getAvatarId()))
	{
		getChildView("teleport")->setEnabled(is_buddy_online);
	}
	else
	{
		getChildView("teleport")->setEnabled(true);
	}

	bool enable_map_btn = (is_buddy_online &&
			       is_agent_mappable(getAvatarId()))
		|| gAgent.isGodlike();
	getChildView("show_on_map_btn")->setEnabled(enable_map_btn);
}
