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/*
* The Mana World
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* The Mana World 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with The Mana World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _UPDATERWINDOW_H
#define _UPDATERWINDOW_H
#include <guichan/actionlistener.hpp>
#include <string>
#include <vector>
#include "window.h"
#include "../guichanfwd.h"
#include "../utils/mutex.h"
class BrowserBox;
class Button;
class ProgressBar;
class ScrollArea;
struct SDL_Thread;
/**
* Update progress window GUI
*
* \ingroup GUI
*/
class UpdaterWindow : public Window, public gcn::ActionListener
{
public:
/**
* Constructor.
*
* @param updateHost Host where to get the updated files.
* @param updatesDir Directory where to store updates (should be absolute
* and already created).
*/
UpdaterWindow(const std::string &updateHost,
const std::string &updatesDir);
/**
* Destructor
*/
~UpdaterWindow();
/**
* Set's progress bar status
*/
void setProgress(float p);
/**
* Set's label above progress
*/
void setLabel(const std::string &);
/**
* Enables play button
*/
void enable();
/**
* Loads and display news. Assumes the news file contents have been loaded
* into the memory buffer.
*/
void loadNews();
void action(const gcn::ActionEvent &event);
void logic();
int updateState;
private:
void download();
/**
* The thread function that download the files.
*/
static int downloadThread(void *ptr);
/**
* A libcurl callback for progress updates.
*/
static int updateProgress(void *ptr,
double dt, double dn, double ut, double un);
/**
* A libcurl callback for writing to memory.
*/
static size_t memoryWrite(void *ptr, size_t size, size_t nmemb,
FILE *stream);
enum DownloadStatus
{
UPDATE_ERROR,
UPDATE_IDLE,
UPDATE_LIST,
UPDATE_COMPLETE,
UPDATE_NEWS,
UPDATE_RESOURCES
};
/** A thread that use libcurl to download updates. */
SDL_Thread *mThread;
/** Status of the current download. */
DownloadStatus mDownloadStatus;
/** Host where we get the updated files. */
std::string mUpdateHost;
/** Place where the updates are stored (absolute path). */
std::string mUpdatesDir;
/** The file currently downloading. */
std::string mCurrentFile;
/** The new label caption to be set in the logic method. */
std::string mNewLabelCaption;
/** The mutex used to guard access to mNewLabelCaption. */
Mutex mLabelMutex;
/** The Adler32 checksum of the file currently downloading. */
unsigned long mCurrentChecksum;
/** A flag to indicate whether to use a memory buffer or a regular file. */
bool mStoreInMemory;
/** Flag that show if current download is complete. */
bool mDownloadComplete;
/** Flag that show if the user has canceled the update. */
bool mUserCancel;
/** Byte count currently downloaded in mMemoryBuffer. */
int mDownloadedBytes;
/** Buffer for files downloaded to memory. */
char *mMemoryBuffer;
/** Buffer to handler human readable error provided by curl. */
char *mCurlError;
/** List of files to download. */
std::vector<std::string> mLines;
/** Index of the file to be downloaded. */
unsigned int mLineIndex;
gcn::Label *mLabel; /**< Progress bar caption. */
Button *mCancelButton; /**< Button to stop the update process. */
Button *mPlayButton; /**< Button to start playing. */
ProgressBar *mProgressBar; /**< Update progress bar. */
BrowserBox *mBrowserBox; /**< Box to display news. */
ScrollArea *mScrollArea; /**< Used to scroll news box. */
};
#endif
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