1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
* The Mana World
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* This program 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.
*
* This program 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 this program; 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 "gui/widgets/window.h"
#include "utils/mutex.h"
#include <guichan/actionlistener.hpp>
#include <string>
#include <vector>
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
|
