summaryrefslogtreecommitdiff
path: root/indra/newview/llurlhistory.cpp
blob: edec30f8c45f9a8646bf43487a35341f66f7753b (plain)
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
/**
 * @file llurlhistory.cpp
 * @brief Manages a list of recent URLs
 *
 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 * 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
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llurlhistory.h"

#include "lldir.h"
#include "llsdserialize.h"

LLSD LLURLHistory::sHistorySD;

const int MAX_URL_COUNT = 10;

/////////////////////////////////////////////////////////////////////////////

// static
bool LLURLHistory::loadFile(const std::string& filename)
{
	LLSD data;
	{
		std::string temp_str = gDirUtilp->getLindenUserDir() + gDirUtilp->getDirDelimiter();

		llifstream file((temp_str + filename));

		if (file.is_open())
		{
			llinfos << "Loading history.xml file at " << filename << llendl;
			LLSDSerialize::fromXML(data, file);
		}

		if (data.isUndefined())
		{
			llinfos << "file missing, ill-formed, "
				"or simply undefined; not changing the"
				" file" << llendl;
			sHistorySD = LLSD();
			return false;
		}
	}
	sHistorySD = data;
	return true;
}

// static
bool LLURLHistory::saveFile(const std::string& filename)
{	
	std::string temp_str = gDirUtilp->getLindenUserDir();
	if( temp_str.empty() )
	{
		llinfos << "Can't save URL history - no user directory set yet." << llendl;
		return false;
	}

	temp_str += gDirUtilp->getDirDelimiter() + filename;
	llofstream out(temp_str);
	if (!out.good())
	{
		llwarns << "Unable to open " << filename << " for output." << llendl;
		return false;
	}

	LLSDSerialize::toXML(sHistorySD, out);

	out.close();
	return true;
}
// static
// This function returns a portion of the history llsd that contains the collected
// url history
LLSD LLURLHistory::getURLHistory(const std::string& collection)
{
	if(sHistorySD.has(collection))
	{
		return sHistorySD[collection];
	}
	return LLSD();
}

// static
void LLURLHistory::addURL(const std::string& collection, const std::string& url)
{
	if(! url.empty())
	{
		sHistorySD[collection].insert(0, url);
		LLURLHistory::limitSize(collection);
	}
}
// static
void LLURLHistory::removeURL(const std::string& collection, const std::string& url)
{
	LLSD::array_iterator iter = sHistorySD[collection].beginArray();
	LLSD::array_iterator end = sHistorySD[collection].endArray();
	for(int index = 0; index < sHistorySD[collection].size(); index++)
	{
		if(sHistorySD[collection].get(index).asString() == url)
		{
			sHistorySD[collection].erase(index);
		}
	}
}

// static
void LLURLHistory::clear(const std::string& collection)
{
	sHistorySD[ collection ] = LLSD();
}

void LLURLHistory::limitSize(const std::string& collection)
{
	while(sHistorySD[collection].size() > MAX_URL_COUNT)
	{
		sHistorySD[collection].erase(MAX_URL_COUNT);
	}
}