126 lines
3.0 KiB
C++
126 lines
3.0 KiB
C++
/**
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* @dir lldirpicker.h
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* @brief OS-specific dir picker
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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// OS specific dir selection dialog. This is implemented as a
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// singleton class, so call the instance() method to get the working
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// instance.
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#ifndef LL_LLDIRPICKER_H
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#define LL_LLDIRPICKER_H
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#include "stdtypes.h"
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#include "llthread.h"
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#include <queue>
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#if LL_WINDOWS
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#include <shlobj.h>
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#endif
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#if LL_DARWIN
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// AssertMacros.h does bad things.
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#undef verify
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#undef check
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#undef require
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#include <vector>
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#include "llstring.h"
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#endif
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class LLFilePicker;
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class LLDirPicker
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{
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public:
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bool getDir(std::string* filename, bool blocking = true);
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std::string getDirName();
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// clear any lists of buffers or whatever, and make sure the dir
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// picker isn't locked.
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void reset();
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private:
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enum
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{
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SINGLE_DIRNAME_BUFFER_SIZE = 1024,
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//DIRNAME_BUFFER_SIZE = 65536
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DIRNAME_BUFFER_SIZE = 65000
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};
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void buildDirname( void );
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bool check_local_file_access_enabled();
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#if LL_LINUX || LL_DARWIN
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// On Linux we just implement LLDirPicker on top of LLFilePicker
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LLFilePicker *mFilePicker;
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#endif
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std::string* mFileName;
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std::string mDir;
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bool mLocked;
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void *pDialog;
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boost::signals2::connection mEventListener;
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public:
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// don't call these directly please.
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LLDirPicker();
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~LLDirPicker();
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};
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class LLDirPickerThread : public LLThread
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{
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public:
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static std::queue<LLDirPickerThread*> sDeadQ;
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static LLMutex* sMutex;
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static void initClass();
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static void cleanupClass();
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static void clearDead();
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std::vector<std::string> mResponses;
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std::string mProposedName;
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typedef boost::signals2::signal<void(const std::vector<std::string>& filenames, std::string proposed_name)> dir_picked_signal_t;
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LLDirPickerThread(const dir_picked_signal_t::slot_type& cb, const std::string &proposed_name);
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~LLDirPickerThread();
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void getFile();
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virtual void run();
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virtual void notify(const std::vector<std::string>& filenames);
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private:
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dir_picked_signal_t* mFilePickedSignal;
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};
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#endif
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