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path: root/indra/newview/llviewerparcelmedia.cpp
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/**
 * @file llviewerparcelmedia.cpp
 * @brief Handlers for multimedia on a per-parcel basis
 *
 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 * 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 "llviewerparcelmedia.h"

#include "llagent.h"
#include "llaudioengine.h"
#include "llmimetypes.h"
#include "llviewercontrol.h"
#include "llviewermedia.h"
#include "llviewerregion.h"
#include "llparcel.h"
#include "llviewerparcelmgr.h"
#include "lluuid.h"
#include "message.h"
#include "llviewermediafocus.h"
#include "llviewerparcelmediaautoplay.h"
#include "llnotificationsutil.h"
//#include "llfirstuse.h"
#include "llpluginclassmedia.h"
#include "llviewertexture.h"
#include "llcorehttputil.h"


LLViewerParcelMedia::LLViewerParcelMedia():
mMediaParcelLocalID(0)
{
    LLMessageSystem* msg = gMessageSystem;
    msg->setHandlerFunc("ParcelMediaCommandMessage", parcelMediaCommandMessageHandler );
    msg->setHandlerFunc("ParcelMediaUpdate", parcelMediaUpdateHandler );

    // LLViewerParcelMediaAutoPlay will regularly check and autoplay media,
    // might be good idea to just integrate it into LLViewerParcelMedia
    LLSingleton<LLViewerParcelMediaAutoPlay>::getInstance();
}

LLViewerParcelMedia::~LLViewerParcelMedia()
{
    // This needs to be destroyed before global destructor time.
    mMediaImpl = NULL;
}

//////////////////////////////////////////////////////////////////////////////////////////
void LLViewerParcelMedia::update(LLParcel* parcel)
{
    if (/*LLViewerMedia::hasMedia()*/ true)
    {
        // we have a player
        if (parcel)
        {
            if(!gAgent.getRegion())
            {
                mMediaRegionID = LLUUID() ;
                stop() ;
                LL_DEBUGS("Media") << "no agent region, bailing out." << LL_ENDL;
                return ;
            }

            // we're in a parcel
            S32 parcelid = parcel->getLocalID();

            LLUUID regionid = gAgent.getRegion()->getRegionID();
            bool location_changed = false;
            if (parcelid != mMediaParcelLocalID || regionid != mMediaRegionID)
            {
                LL_DEBUGS("Media") << "New parcel, parcel id = " << parcelid << ", region id = " << regionid << LL_ENDL;
                mMediaParcelLocalID = parcelid;
                mMediaRegionID = regionid;
                location_changed = true;
            }

            std::string mediaUrl = std::string ( parcel->getMediaURL () );
            std::string mediaCurrentUrl = std::string( parcel->getMediaCurrentURL());

            // if we have a current (link sharing) url, use it instead
            if (mediaCurrentUrl != "" && parcel->getMediaType() == HTTP_CONTENT_TEXT_HTML)
            {
                mediaUrl = mediaCurrentUrl;
            }

            LLStringUtil::trim(mediaUrl);

            // If no parcel media is playing, nothing left to do
            if(mMediaImpl.isNull())

            {
                // media will be autoplayed by LLViewerParcelMediaAutoPlay
                return;
            }

            // Media is playing...has something changed?
            else if (( mMediaImpl->getMediaURL() != mediaUrl )
                || ( mMediaImpl->getMediaTextureID() != parcel->getMediaID() )
                || ( mMediaImpl->getMimeType() != parcel->getMediaType() ))
            {
                // Only play if the media types are the same and parcel stays same.
                if(mMediaImpl->getMimeType() == parcel->getMediaType()
                    && !location_changed)
                {
                    play(parcel);
                }

                else
                {
                    stop();
                }
            }
        }
        else
        {
            stop();
        }
    }
}

// static
void LLViewerParcelMedia::play(LLParcel* parcel)
{
    LL_DEBUGS() << "LLViewerParcelMedia::play" << LL_ENDL;

    if (!parcel) return;

    if (!gSavedSettings.getBOOL("AudioStreamingMedia"))
        return;

    std::string media_url = parcel->getMediaURL();
    std::string media_current_url = parcel->getMediaCurrentURL();
    std::string mime_type = parcel->getMediaType();
    LLUUID placeholder_texture_id = parcel->getMediaID();
    U8 media_auto_scale = parcel->getMediaAutoScale();
    U8 media_loop = parcel->getMediaLoop();
    S32 media_width = parcel->getMediaWidth();
    S32 media_height = parcel->getMediaHeight();

    if(mMediaImpl)
    {
        // If the url and mime type are the same, call play again
        if(mMediaImpl->getMediaURL() == media_url
            && mMediaImpl->getMimeType() == mime_type
            && mMediaImpl->getMediaTextureID() == placeholder_texture_id)
        {
            LL_DEBUGS("Media") << "playing with existing url " << media_url << LL_ENDL;

            mMediaImpl->play();
        }
        // Else if the texture id's are the same, navigate and rediscover type
        // MBW -- This causes other state from the previous parcel (texture size, autoscale, and looping) to get re-used incorrectly.
        // It's also not really necessary -- just creating a new instance is fine.
//      else if(mMediaImpl->getMediaTextureID() == placeholder_texture_id)
//      {
//          mMediaImpl->navigateTo(media_url, mime_type, true);
//      }
        else
        {
            // Since the texture id is different, we need to generate a new impl

            // Delete the old one first so they don't fight over the texture.
            mMediaImpl = NULL;

            // A new impl will be created below.
        }
    }

    // Don't ever try to play if the media type is set to "none/none"
    if(stricmp(mime_type.c_str(), LLMIMETypes::getDefaultMimeType().c_str()) != 0)
    {
        if(!mMediaImpl)
        {
            LL_DEBUGS("Media") << "new media impl with mime type " << mime_type << ", url " << media_url << LL_ENDL;

            // There is no media impl, make a new one
            mMediaImpl = LLViewerMedia::getInstance()->newMediaImpl(
                placeholder_texture_id,
                media_width,
                media_height,
                media_auto_scale,
                media_loop);
            mMediaImpl->setIsParcelMedia(true);
            mMediaImpl->navigateTo(media_url, mime_type, true);
        }

        //LLFirstUse::useMedia();

        LLViewerParcelMediaAutoPlay::playStarted();
    }
}

// static
void LLViewerParcelMedia::stop()
{
    if(mMediaImpl.isNull())
    {
        return;
    }

    // We need to remove the media HUD if it is up.
    LLViewerMediaFocus::getInstance()->clearFocus();

    // This will unload & kill the media instance.
    mMediaImpl = NULL;
}

// static
void LLViewerParcelMedia::pause()
{
    if(mMediaImpl.isNull())
    {
        return;
    }
    mMediaImpl->pause();
}

// static
void LLViewerParcelMedia::start()
{
    if(mMediaImpl.isNull())
    {
        return;
    }
    mMediaImpl->start();

    //LLFirstUse::useMedia();

    LLViewerParcelMediaAutoPlay::playStarted();
}

// static
void LLViewerParcelMedia::seek(F32 time)
{
    if(mMediaImpl.isNull())
    {
        return;
    }
    mMediaImpl->seek(time);
}

// static
void LLViewerParcelMedia::focus(bool focus)
{
    mMediaImpl->focus(focus);
}

// static
LLPluginClassMediaOwner::EMediaStatus LLViewerParcelMedia::getStatus()
{
    LLPluginClassMediaOwner::EMediaStatus result = LLPluginClassMediaOwner::MEDIA_NONE;

    if(mMediaImpl.notNull() && mMediaImpl->hasMedia())
    {
        result = mMediaImpl->getMediaPlugin()->getStatus();
    }

    return result;
}

// static
std::string LLViewerParcelMedia::getMimeType()
{
    return mMediaImpl.notNull() ? mMediaImpl->getMimeType() : LLMIMETypes::getDefaultMimeType();
}

//static
std::string LLViewerParcelMedia::getURL()
{
    std::string url;
    if(mMediaImpl.notNull())
        url = mMediaImpl->getMediaURL();

    if(stricmp(LLViewerParcelMgr::getInstance()->getAgentParcel()->getMediaType().c_str(), LLMIMETypes::getDefaultMimeType().c_str()) != 0)
    {
        if (url.empty())
            url = LLViewerParcelMgr::getInstance()->getAgentParcel()->getMediaCurrentURL();

        if (url.empty())
            url = LLViewerParcelMgr::getInstance()->getAgentParcel()->getMediaURL();
    }

    return url;
}

//static
std::string LLViewerParcelMedia::getName()
{
    if(mMediaImpl.notNull())
        return mMediaImpl->getName();
    return "";
}

viewer_media_t LLViewerParcelMedia::getParcelMedia()
{
    return mMediaImpl;
}

//////////////////////////////////////////////////////////////////////////////////////////
// static
void LLViewerParcelMedia::parcelMediaCommandMessageHandler(LLMessageSystem *msg, void **)
{
    getInstance()->processParcelMediaCommandMessage(msg);
}

void LLViewerParcelMedia::processParcelMediaCommandMessage( LLMessageSystem *msg)
{
    // extract the agent id
    //  LLUUID agent_id;
    //  msg->getUUID( agent_id );

    U32 flags;
    U32 command;
    F32 time;
    msg->getU32( "CommandBlock", "Flags", flags );
    msg->getU32( "CommandBlock", "Command", command);
    msg->getF32( "CommandBlock", "Time", time );

    if (flags &( (1<<PARCEL_MEDIA_COMMAND_STOP)
                | (1<<PARCEL_MEDIA_COMMAND_PAUSE)
                | (1<<PARCEL_MEDIA_COMMAND_PLAY)
                | (1<<PARCEL_MEDIA_COMMAND_LOOP)
                | (1<<PARCEL_MEDIA_COMMAND_UNLOAD) ))
    {
        // stop
        if( command == PARCEL_MEDIA_COMMAND_STOP )
        {
            stop();
        }
        else
        // pause
        if( command == PARCEL_MEDIA_COMMAND_PAUSE )
        {
            pause();
        }
        else
        // play
        if(( command == PARCEL_MEDIA_COMMAND_PLAY ) ||
           ( command == PARCEL_MEDIA_COMMAND_LOOP ))
        {
            if (getStatus() == LLViewerMediaImpl::MEDIA_PAUSED)
            {
                start();
            }
            else
            {
                LLParcel *parcel = LLViewerParcelMgr::getInstance()->getAgentParcel();
                play(parcel);
            }
        }
        else
        // unload
        if( command == PARCEL_MEDIA_COMMAND_UNLOAD )
        {
            stop();
        }
    }

    if (flags & (1<<PARCEL_MEDIA_COMMAND_TIME))
    {
        if(mMediaImpl.isNull())
        {
            LLParcel *parcel = LLViewerParcelMgr::getInstance()->getAgentParcel();
            play(parcel);
        }
        seek(time);
    }
}

//////////////////////////////////////////////////////////////////////////////////////////
// static
void LLViewerParcelMedia::parcelMediaUpdateHandler(LLMessageSystem *msg, void **)
{
    getInstance()->processParcelMediaUpdate(msg);
}

void LLViewerParcelMedia::processParcelMediaUpdate( LLMessageSystem *msg)
{
    LLUUID media_id;
    std::string media_url;
    std::string media_type;
    S32 media_width = 0;
    S32 media_height = 0;
    U8 media_auto_scale = 0;
    U8 media_loop = 0;

    msg->getUUID( "DataBlock", "MediaID", media_id );
    char media_url_buffer[257];
    msg->getString( "DataBlock", "MediaURL", 255, media_url_buffer );
    media_url = media_url_buffer;
    msg->getU8("DataBlock", "MediaAutoScale", media_auto_scale);

    if (msg->has("DataBlockExtended")) // do we have the extended data?
    {
        char media_type_buffer[257];
        msg->getString("DataBlockExtended", "MediaType", 255, media_type_buffer);
        media_type = media_type_buffer;
        msg->getU8("DataBlockExtended", "MediaLoop", media_loop);
        msg->getS32("DataBlockExtended", "MediaWidth", media_width);
        msg->getS32("DataBlockExtended", "MediaHeight", media_height);
    }

    LLParcel *parcel = LLViewerParcelMgr::getInstance()->getAgentParcel();
    if (parcel)
    {
        bool same = ((parcel->getMediaURL() == media_url) &&
                     (parcel->getMediaType() == media_type) &&
                     (parcel->getMediaID() == media_id) &&
                     (parcel->getMediaWidth() == media_width) &&
                     (parcel->getMediaHeight() == media_height) &&
                     (parcel->getMediaAutoScale() == media_auto_scale) &&
                     (parcel->getMediaLoop() == media_loop));

        if (!same)
        {
            // temporarily store these new values in the parcel
            parcel->setMediaURL(media_url);
            parcel->setMediaType(media_type);
            parcel->setMediaID(media_id);
            parcel->setMediaWidth(media_width);
            parcel->setMediaHeight(media_height);
            parcel->setMediaAutoScale(media_auto_scale);
            parcel->setMediaLoop(media_loop);

            play(parcel);
        }
    }
}
// Static
/////////////////////////////////////////////////////////////////////////////////////////
// *TODO: I can not find any active code where this method is called...
void LLViewerParcelMedia::sendMediaNavigateMessage(const std::string& url)
{
    std::string region_url = gAgent.getRegionCapability("ParcelNavigateMedia");
    if (!region_url.empty())
    {
        // send navigate event to sim for link sharing
        LLSD body;
        body["agent-id"] = gAgent.getID();
        body["local-id"] = LLViewerParcelMgr::getInstance()->getAgentParcel()->getLocalID();
        body["url"] = url;

        LLCoreHttpUtil::HttpCoroutineAdapter::messageHttpPost(region_url, body,
            "Media Navigation sent to sim.", "Media Navigation failed to send to sim.");
    }
    else
    {
        LL_WARNS() << "can't get ParcelNavigateMedia capability" << LL_ENDL;
    }

}

/////////////////////////////////////////////////////////////////////////////////////////
// inherited from LLViewerMediaObserver
// virtual
void LLViewerParcelMedia::handleMediaEvent(LLPluginClassMedia* self, EMediaEvent event)
{
    switch(event)
    {
        case MEDIA_EVENT_DEBUG_MESSAGE:
        {
            // LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_DEBUG_MESSAGE " << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_CONTENT_UPDATED:
        {
            // LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_CONTENT_UPDATED " << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_TIME_DURATION_UPDATED:
        {
            // LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_TIME_DURATION_UPDATED, time is " << self->getCurrentTime() << " of " << self->getDuration() << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_SIZE_CHANGED:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_SIZE_CHANGED " << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_CURSOR_CHANGED:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_CURSOR_CHANGED, new cursor is " << self->getCursorName() << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_NAVIGATE_BEGIN:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_NAVIGATE_BEGIN " << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_NAVIGATE_COMPLETE:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_NAVIGATE_COMPLETE, result string is: " << self->getNavigateResultString() << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_PROGRESS_UPDATED:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_PROGRESS_UPDATED, loading at " << self->getProgressPercent() << "%" << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_STATUS_TEXT_CHANGED:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_STATUS_TEXT_CHANGED, new status text is: " << self->getStatusText() << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_LOCATION_CHANGED:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_LOCATION_CHANGED, new uri is: " << self->getLocation() << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_NAVIGATE_ERROR_PAGE:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_NAVIGATE_ERROR_PAGE" << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_CLICK_LINK_HREF:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_CLICK_LINK_HREF, target is \"" << self->getClickTarget() << "\", uri is " << self->getClickURL() << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_CLICK_LINK_NOFOLLOW:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_CLICK_LINK_NOFOLLOW, uri is " << self->getClickURL() << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_PLUGIN_FAILED:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_PLUGIN_FAILED" << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_PLUGIN_FAILED_LAUNCH:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_PLUGIN_FAILED_LAUNCH" << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_NAME_CHANGED:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_NAME_CHANGED" << LL_ENDL;
        };
        break;

        case MEDIA_EVENT_CLOSE_REQUEST:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_CLOSE_REQUEST" << LL_ENDL;
        }
        break;

        case MEDIA_EVENT_PICK_FILE_REQUEST:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_PICK_FILE_REQUEST" << LL_ENDL;
        }
        break;

        case MEDIA_EVENT_FILE_DOWNLOAD:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_FILE_DOWNLOAD" << LL_ENDL;
        }
        break;

        case MEDIA_EVENT_GEOMETRY_CHANGE:
        {
            LL_DEBUGS("Media") << "Media event:  MEDIA_EVENT_GEOMETRY_CHANGE, uuid is " << self->getClickUUID() << LL_ENDL;
        }
        break;

        case MEDIA_EVENT_AUTH_REQUEST:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_AUTH_REQUEST, url " << self->getAuthURL() << ", realm " << self->getAuthRealm() << LL_ENDL;
        }
        break;

        case MEDIA_EVENT_LINK_HOVERED:
        {
            LL_DEBUGS("Media") <<  "Media event:  MEDIA_EVENT_LINK_HOVERED, hover text is: " << self->getHoverText() << LL_ENDL;
        };
        break;
    };
}

// TODO: observer
/*
void LLViewerParcelMediaNavigationObserver::onNavigateComplete( const EventType& event_in )
{
    std::string url = event_in.getStringValue();

    if (mCurrentURL != url && ! mFromMessage)
    {
        LLViewerParcelMedia::sendMediaNavigateMessage(url);
    }

    mCurrentURL = url;
    mFromMessage = false;

}
*/