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/**
* @dir lldirpicker.h
* @brief OS-specific dir picker
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
// OS specific dir selection dialog. This is implemented as a
// singleton class, so call the instance() method to get the working
// instance.
#ifndef LL_LLDIRPICKER_H
#define LL_LLDIRPICKER_H
#include "stdtypes.h"
#include "llthread.h"
#include <queue>
#if LL_WINDOWS
#include <shlobj.h>
#endif
#if LL_DARWIN
// AssertMacros.h does bad things.
#undef verify
#undef check
#undef require
#include <vector>
#include "llstring.h"
#endif
class LLFilePicker;
class LLDirPicker
{
public:
// calling this before main() is undefined
static LLDirPicker& instance( void ) { return sInstance; }
BOOL getDir(std::string filename, bool blocking = true);
std::string getDirName();
// clear any lists of buffers or whatever, and make sure the dir
// picker isn't locked.
void reset();
private:
enum
{
SINGLE_DIRNAME_BUFFER_SIZE = 1024,
//DIRNAME_BUFFER_SIZE = 65536
DIRNAME_BUFFER_SIZE = 65000
};
void buildDirname( void );
bool check_local_file_access_enabled();
#if LL_LINUX || LL_SOLARIS || LL_DARWIN
// On Linux we just implement LLDirPicker on top of LLFilePicker
LLFilePicker *mFilePicker;
#endif
std::string* mFileName;
std::string mDir;
bool mLocked;
static LLDirPicker sInstance;
#if LL_WINDOWS
BROWSEINFO bi;
#endif
public:
// don't call these directly please.
LLDirPicker();
~LLDirPicker();
};
class LLDirPickerThread : public LLThread
{
public:
static std::queue<LLDirPickerThread*> sDeadQ;
static LLMutex* sMutex;
static void initClass();
static void cleanupClass();
static void clearDead();
std::vector<std::string> mResponses;
std::string mProposedName;
typedef boost::signals2::signal<void(const std::vector<std::string>& filenames, std::string proposed_name)> dir_picked_signal_t;
LLDirPickerThread(const dir_picked_signal_t::slot_type& cb, const std::string &proposed_name);
~LLDirPickerThread();
void getFile();
virtual void run();
virtual void notify(const std::vector<std::string>& filenames);
private:
dir_picked_signal_t* mFilePickedSignal;
};
#endif
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