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/**
 * @file llprogressview.h
 * @brief LLProgressView class definition
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * 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
 * $/LicenseInfo$
 */

#ifndef LL_LLPROGRESSVIEW_H
#define LL_LLPROGRESSVIEW_H

#include "llpanel.h"
#include "llmediactrl.h"
#include "llframetimer.h"
#include "llevents.h"

class LLImageRaw;
class LLButton;
class LLProgressBar;
class LLViewerTexture;

class LLProgressView :
    public LLPanel,
    public LLViewerMediaObserver

{
    LOG_CLASS(LLProgressView);

public:
    LLProgressView();
    virtual ~LLProgressView();

    BOOL postBuild();

    /*virtual*/ void draw();
    void drawStartTexture(F32 alpha);
    void drawLogos(F32 alpha);

    /*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask);
    /*virtual*/ BOOL handleKeyHere(KEY key, MASK mask);
    /*virtual*/ void setVisible(BOOL visible);

    // inherited from LLViewerMediaObserver
    /*virtual*/ void handleMediaEvent(LLPluginClassMedia* self, EMediaEvent event);

    void setText(const std::string& text);
    void setPercent(const F32 percent);

    // Set it to NULL when you want to eliminate the message.
    void setMessage(const std::string& msg);

    // turns on (under certain circumstances) the into video after login
    void revealIntroPanel();

    void setStartupComplete();

    // we have to preload local textures to make sure they won't be grey
    void initTextures(S32 location_id, bool is_in_production);
    void releaseTextures();

    void setCancelButtonVisible(BOOL b, const std::string& label);

    static void onCancelButtonClicked( void* );
    static void onClickMessage(void*);
    bool onAlertModal(const LLSD& sd);

protected:
    LLProgressBar* mProgressBar;
    LLMediaCtrl* mMediaCtrl;
    F32 mPercentDone;
    std::string mMessage;
    LLButton*   mCancelBtn;
    LLFrameTimer mFadeToWorldTimer;
    LLFrameTimer mFadeFromLoginTimer;
    LLRect mOutlineRect;
    bool mMouseDownInActiveArea;
    bool mStartupComplete;

    // The LLEventStream mUpdateEvents depends upon this class being a singleton
    // to avoid pump name conflicts.
    static LLProgressView* sInstance;
    LLEventStream mUpdateEvents;

    bool handleUpdate(const LLSD& event_data);
    static void onIdle(void* user_data);
    void loadLogo(const std::string &path, const U8 image_codec, const LLRect &pos_rect, const LLRectf &clip_rect, const LLRectf &offset_rect);
    // logos have unusual location and need to be preloaded to not appear grey, then deleted
    void initLogos();
    // Loads a bitmap to display during load
    void initStartTexture(S32 location_id, bool is_in_production);

private:
    // We need to draw textures on login, but only once.
    // So this vector gets filled up for textures to render and gets cleaned later
    // Some textures have unusual requirements, so we are rendering directly
    class TextureData
    {
    public:
        LLPointer<LLViewerTexture> mTexturep;
        LLRect mDrawRect;
        LLRectf mClipRect;
        LLRectf mOffsetRect;
    };
    std::vector<TextureData> mLogosList;
};

#endif // LL_LLPROGRESSVIEW_H