/**
 * @file llfloaterdestinations.h
 * @author Leyla Farazha
 * @brief floater for the destinations guide
 *
 * $LicenseInfo:firstyear=2011&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2011, 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 "llfloaterdestinations.h"
#include "llmediactrl.h"
#include "lluictrlfactory.h"
#include "llviewercontrol.h"
#include "llweb.h"

#include "lfsimfeaturehandler.h"
#include "llhttpconstants.h"
#include "lllogininstance.h"
#include "llviewernetwork.h"

LLFloaterDestinations::LLFloaterDestinations(const LLSD& key)
    :   LLFloater(key),
    mDestinationGuideUrlChangedSignal() // <FS:Ansariel> FIRE-16833: Destination guide does not change between OpenSim grids
{
}

LLFloaterDestinations::~LLFloaterDestinations()
{
    // <FS:Ansariel> FIRE-16833: Destination guide does not change between OpenSim grids
    if (mDestinationGuideUrlChangedSignal.connected())
    {
        mDestinationGuideUrlChangedSignal.disconnect();
    }
    // </FS:Ansariel>
}

bool LLFloaterDestinations::postBuild()
{
    enableResizeCtrls(true, true, false);
    LLMediaCtrl* destinations = getChild<LLMediaCtrl>("destination_guide_contents");
    destinations->setErrorPageURL(gSavedSettings.getString("GenericErrorPageURL"));
    // <FS:AW> optional opensim support
    //std::string url = gSavedSettings.getString("DestinationGuideURL");
    //url = LLWeb::expandURLSubstitutions(url, LLSD());
    //destinations->navigateTo(url, HTTP_CONTENT_TEXT_HTML);

    std::string destination_guide_url;
#ifdef OPENSIM
    if (LLGridManager::getInstance()->isInOpenSim())
    {
        if (LLLoginInstance::getInstance()->hasResponse("destination_guide_url"))
        {
            destination_guide_url = LLLoginInstance::getInstance()->getResponse("destination_guide_url").asString();
        }
    }
    else
#endif // OPENSIM
    {
        destination_guide_url = gSavedSettings.getString("DestinationGuideURL");
    }

    if (!destination_guide_url.empty())
    {
        destination_guide_url = LLWeb::expandURLSubstitutions(destination_guide_url, LLSD());
        LL_DEBUGS("WebApi") << "3 DestinationGuideURL \"" << destination_guide_url << "\"" << LL_ENDL;
        destinations->navigateTo(destination_guide_url, HTTP_CONTENT_TEXT_HTML);
    }
    // </FS:AW> optional opensim support

    // If cookie is there, will set it now. Otherwise will have to wait for login completion
    // which will also update destinations instance if it already exists.
    LLViewerMedia::getInstance()->getOpenIDCookie(destinations);
    return true;
}

// <FS:Ansariel> FIRE-16833: Destination guide does not change between OpenSim grids
void LLFloaterDestinations::onOpen(const LLSD& key)
{
    // Connect during onOpen instead of ctor because LLFloaterDestinations instance
    // gets created before we can safely create a LFSimFeatureHandler instance!
    // Assuming we receive the destination guide URL via login response and it
    // is the same URL being sent by region caps so we will be good for the initial
    // region the avatar logs into as well.
    if (!mDestinationGuideUrlChangedSignal.connected())
    {
        mDestinationGuideUrlChangedSignal = LFSimFeatureHandler::instance().setDestinationGuideCallback(boost::bind(&LLFloaterDestinations::handleUrlChanged, this, _1));
    }

    handleUrlChanged(LFSimFeatureHandler::instance().destinationGuideURL());
}

void LLFloaterDestinations::handleUrlChanged(const std::string& url)
{
    getChild<LLMediaCtrl>("destination_guide_contents")->navigateTo(LLWeb::expandURLSubstitutions(url, LLSD()), HTTP_CONTENT_TEXT_HTML);
}
// </FS:Ansariel>