llfloaterhud.cpp

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#include "llviewerprecompiledheaders.h"

#include "llfloaterhud.h"
#include "llviewercontrol.h"
#include "lluictrlfactory.h"
#include "llwebbrowserctrl.h"
#include "llalertdialog.h"

// statics 
LLFloaterHUD* LLFloaterHUD::sInstance = 0; 
std::string LLFloaterHUD::sTutorialUrl = "";

#define super LLFloater /* superclass */

// Default constructor
LLFloaterHUD::LLFloaterHUD()
:       LLFloater("floater_hud"),
        mWebBrowser(0)
{
        // Create floater from its XML definition
        LLUICtrlFactory::getInstance()->buildFloater(this, "floater_hud.xml");
        
        // Don't grab the focus as it will impede performing in-world actions
        // while using the HUD
        setIsChrome(TRUE);

        // Chrome doesn't show the window title by default, but here we
        // want to show it.
        setTitleVisible(true);
        
        // Opaque background since we never get the focus
        setBackgroundOpaque(TRUE);

        // Position floater based on saved location
        LLRect saved_position_rect = gSavedSettings.getRect("FloaterHUDRect");
        reshape(saved_position_rect.getWidth(), saved_position_rect.getHeight(), FALSE);
        setRect(saved_position_rect);
        
        mWebBrowser = getChild<LLWebBrowserCtrl>("floater_hud_browser" );
        if (mWebBrowser)
        {
                // Open links in internal browser
                mWebBrowser->setOpenInExternalBrowser(false);

                // This is a "chrome" floater, so we don't want anything to
                // take focus (as the user needs to be able to walk with 
                // arrow keys during tutorial).
                mWebBrowser->setTakeFocusOnClick(false);

                LLString language(gSavedSettings.getString("Language"));
                if(language == "default")
                {
                        language = gSavedSettings.getString("SystemLanguage");
                }
        
                std::string url = sTutorialUrl + language + "/";
                mWebBrowser->navigateTo(url);
        }

        // Remember the one instance
        sInstance = this;
}

// Get the instance
LLFloaterHUD* LLFloaterHUD::getInstance()
{
        if (!sInstance)
        {
                new LLFloaterHUD();
        }
        return sInstance;
}

// Destructor
LLFloaterHUD::~LLFloaterHUD()
{
        // Save floater position
        gSavedSettings.setRect("FloaterHUDRect", getRect() );

        // Clear out the one instance if it's ours
        if (sInstance == this)
        {
                sInstance = NULL;
        }
}

// Show the HUD
void LLFloaterHUD::show()
{
        // do not build the floater if there the url is empty
        if (sTutorialUrl == "")
        {
                LLAlertDialog::showXml("TutorialNotFound");
                return;
        }

        // Create the instance if necessary
        LLFloaterHUD* hud = getInstance();
        hud->open();
        hud->setFrontmost(FALSE);
}

void LLFloaterHUD::close()
{
        if (sInstance) sInstance->close();
}

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