llfloaterurlentry.cpp

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#include "llviewerprecompiledheaders.h"

#include "llfloaterurlentry.h"

#include "llpanellandmedia.h"

// project includes
#include "llcombobox.h"
#include "llurlhistory.h"
#include "lluictrlfactory.h"
#include "llwindow.h"
#include "llviewerwindow.h"

static LLFloaterURLEntry* sInstance = NULL;

// Move this to its own file.
// helper class that tries to download a URL from a web site and calls a method
// on the Panel Land Media and to discover the MIME type
class LLMediaTypeResponder : public LLHTTPClient::Responder
{
public:
        LLMediaTypeResponder( const LLHandle<LLFloater> parent ) :
          mParent( parent )
          {}

          LLHandle<LLFloater> mParent;


          virtual void completedHeader(U32 status, const std::string& reason, const LLSD& content)
          {
                  std::string media_type = content["content-type"].asString();
                  std::string::size_type idx1 = media_type.find_first_of(";");
                  std::string mime_type = media_type.substr(0, idx1);
                  completeAny(status, mime_type);
          }

          virtual void error( U32 status, const std::string& reason )
          {
                  completeAny(status, "none/none");
          }

          void completeAny(U32 status, const std::string& mime_type)
          {
                  // Set empty type to none/none.  Empty string is reserved for legacy parcels
                  // which have no mime type set.
                  std::string resolved_mime_type = ! mime_type.empty() ? mime_type : "none/none";
                  LLFloaterURLEntry* floater_url_entry = (LLFloaterURLEntry*)mParent.get();
                  if ( floater_url_entry )
                          floater_url_entry->headerFetchComplete( status, resolved_mime_type );
          }
};

//-----------------------------------------------------------------------------
// LLFloaterURLEntry()
//-----------------------------------------------------------------------------
LLFloaterURLEntry::LLFloaterURLEntry(LLHandle<LLPanel> parent)
        :
        LLFloater(),
        mPanelLandMediaHandle(parent)
{
        LLUICtrlFactory::getInstance()->buildFloater(this, "floater_url_entry.xml");

        mMediaURLEdit = getChild<LLComboBox>("media_entry");

        // Cancel button
        childSetAction("cancel_btn", onBtnCancel, this);

        // Cancel button
        childSetAction("clear_btn", onBtnClear, this);

        // clear media list button
        LLSD parcel_history = LLURLHistory::getURLHistory("parcel");
        bool enable_clear_button = parcel_history.size() > 0 ? true : false;
        childSetEnabled( "clear_btn", enable_clear_button );

        // OK button
        childSetAction("ok_btn", onBtnOK, this);

        setDefaultBtn("ok_btn");
        buildURLHistory();

        sInstance = this;
}

//-----------------------------------------------------------------------------
// ~LLFloaterURLEntry()
//-----------------------------------------------------------------------------
LLFloaterURLEntry::~LLFloaterURLEntry()
{
        sInstance = NULL;
}

void LLFloaterURLEntry::buildURLHistory()
{
        LLCtrlListInterface* url_list = childGetListInterface("media_entry");
        if (url_list)
        {
                url_list->operateOnAll(LLCtrlListInterface::OP_DELETE);
        }

        // Get all of the entries in the "parcel" collection
        LLSD parcel_history = LLURLHistory::getURLHistory("parcel");

        LLSD::array_iterator iter_history =
                parcel_history.beginArray();
        LLSD::array_iterator end_history =
                parcel_history.endArray();
        for(; iter_history != end_history; ++iter_history)
        {
                url_list->addSimpleElement((*iter_history).asString());
        }
}

void LLFloaterURLEntry::headerFetchComplete(U32 status, const std::string& mime_type)
{
        LLPanelLandMedia* panel_media = (LLPanelLandMedia*)mPanelLandMediaHandle.get();
        if (panel_media)
        {
                // status is ignored for now -- error = "none/none"
                panel_media->setMediaType(mime_type);
                panel_media->setMediaURL(mMediaURLEdit->getValue().asString());
        }
        // Decrement the cursor
        getWindow()->decBusyCount();
        childSetVisible("loading_label", false);
        close();
}

// static
LLHandle<LLFloater> LLFloaterURLEntry::show(LLHandle<LLPanel> parent)
{
        if (sInstance)
        {
                sInstance->open();
        }
        else
        {
                sInstance = new LLFloaterURLEntry(parent);
        }
        sInstance->updateFromLandMediaPanel();
        return sInstance->getHandle();
}

void LLFloaterURLEntry::updateFromLandMediaPanel()
{
        LLPanelLandMedia* panel_media = (LLPanelLandMedia*)mPanelLandMediaHandle.get();
        if (panel_media)
        {
                std::string media_url = panel_media->getMediaURL();
                addURLToCombobox(media_url);
        }
}

bool LLFloaterURLEntry::addURLToCombobox(const std::string& media_url)
{
        if(! mMediaURLEdit->setSimple( media_url ) && ! media_url.empty())
        {
                mMediaURLEdit->add( media_url );
                mMediaURLEdit->setSimple( media_url );
                return true;
        }

        // URL was not added for whatever reason (either it was empty or already existed)
        return false;
}

// static
//-----------------------------------------------------------------------------
// onBtnOK()
//-----------------------------------------------------------------------------
void LLFloaterURLEntry::onBtnOK( void* userdata )
{
        LLFloaterURLEntry *self =(LLFloaterURLEntry *)userdata;

        std::string media_url   = self->mMediaURLEdit->getValue().asString();
        self->mMediaURLEdit->remove(media_url);
        LLURLHistory::removeURL("parcel", media_url);
        if(self->addURLToCombobox(media_url))
        {
                // Add this url to the parcel collection
                LLURLHistory::addURL("parcel", media_url);
        }

        // leading whitespace causes problems with the MIME-type detection so strip it
        LLString::trim( media_url );

        // First check the URL scheme
        LLURI url(media_url);
        std::string scheme = url.scheme();

        // We assume that an empty scheme is an http url, as this is how we will treat it.
        if(scheme == "")
        {
                scheme = "http";
        }

        // Discover the MIME type only for "http" scheme.
        if(scheme == "http")
        {
                LLHTTPClient::getHeaderOnly( media_url,
                        new LLMediaTypeResponder(self->getHandle()));
        }
        else
        {
                self->headerFetchComplete(0, scheme);
        }

        // Grey the buttons until we get the header response
        self->childSetEnabled("ok_btn", false);
        self->childSetEnabled("cancel_btn", false);
        self->childSetEnabled("media_entry", false);

        // show progress bar here?
        getWindow()->incBusyCount();
        self->childSetVisible("loading_label", true);
}

// static
//-----------------------------------------------------------------------------
// onBtnCancel()
//-----------------------------------------------------------------------------
void LLFloaterURLEntry::onBtnCancel( void* userdata )
{
        LLFloaterURLEntry *self =(LLFloaterURLEntry *)userdata;
        self->close();
}

// static
//-----------------------------------------------------------------------------
// onBtnClear()
//-----------------------------------------------------------------------------
void LLFloaterURLEntry::onBtnClear( void* userdata )
{
        gViewerWindow->alertXml( "ConfirmClearMediaUrlList", callback_clear_url_list, userdata );
}

void LLFloaterURLEntry::callback_clear_url_list(S32 option, void* userdata)
{
        if ( option == 0 ) // YES
        {
                LLFloaterURLEntry *self =(LLFloaterURLEntry *)userdata;

                if ( self )
                {
                        // clear saved list
                        LLCtrlListInterface* url_list = self->childGetListInterface("media_entry");
                        if ( url_list )
                        {
                                url_list->operateOnAll( LLCtrlListInterface::OP_DELETE );
                        }

                        // clear current contents of combo box
                        self->mMediaURLEdit->clear();

                        // clear stored version of list
                        LLURLHistory::clear("parcel");

                        // cleared the list so disable Clear button
                        self->childSetEnabled( "clear_btn", false );
                }
        }
}

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