/** * @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_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