add support for browsing local filesystem

src/browser.cpp

@@ -0,0 +1,211 @@
+/***************************************************************************
+ *   Copyright (C) 2008 by Andrzej Rybczak   *
+ *   electricityispower@gmail.com   *
+ *                                                                         *
+ *   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     *
+ *   (at your option) 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.             *
+ ***************************************************************************/
+
+#include <dirent.h>
+#include <sys/stat.h>
+#include <algorithm>
+
+#include "browser.h"
+#include "helpers.h"
+#include "settings.h"
+#ifdef HAVE_TAGLIB_H
+# include "tag_editor.h"
+#endif // HAVE_TAGLIB_H
+
+extern MPDConnection *Mpd;
+
+extern ncmpcpp_config Config;
+
+extern Menu<Song> *mPlaylist;
+extern Menu<Item> *mBrowser;
+
+extern NcmpcppScreen current_screen;
+
+extern string browsed_dir;
+
+extern int browsed_dir_scroll_begin;
+
+namespace
+{
+	const string supported_extensions[] = { "wma", "asf", "rm", "mp1", "mp2", "mp3", "mp4", "m4a", "flac", "ogg", "wav", "au", "aiff", "aif", "ac3", "aac", "mpc", "it", "mod", "s3m", "xm", "wv", "." };
+	
+	bool hasSupportedExtension(const string &file)
+	{
+		unsigned int last_dot = file.find_last_of(".");
+		if (last_dot > file.length())
+			return false;
+		
+		string ext = file.substr(last_dot+1);
+		for (int i = 0; supported_extensions[i] != "."; i++)
+			if (ext == supported_extensions[i])
+				return true;
+		
+		return false;
+	}
+
+	void GetLocalDirectory(const string &dir, ItemList &v)
+	{
+		dirent **list;
+		int n = scandir(dir.c_str(), &list, NULL, alphasort);
+		if (n < 2)
+		{
+			delete list;
+			return;
+		}
+		struct stat file_stat;
+		string full_path;
+		for (int i = 2; i < n; i++)
+		{
+			Item new_item;
+			full_path = dir;
+			if (dir != "/")
+				full_path += "/";
+			full_path += list[i]->d_name;
+			stat(full_path.c_str(), &file_stat);
+			if (S_ISDIR(file_stat.st_mode))
+			{
+				new_item.type = itDirectory;
+				new_item.name = full_path;
+				v.push_back(new_item);
+			}
+			else if (hasSupportedExtension(list[i]->d_name))
+			{
+				new_item.type = itSong;
+				mpd_Song *s = mpd_newSong();
+				s->file = str_pool_get(full_path.c_str());
+#				ifdef HAVE_TAGLIB_H
+				ReadTagsFromFile(s);
+#				endif // HAVE_TAGLIB_H
+				new_item.song = new Song(s);
+				v.push_back(new_item);
+			}
+			delete list[i];
+		}
+		delete list;
+	}
+}
+
+void UpdateItemList(Menu<Item> *menu)
+{
+	bool bold = 0;
+	for (int i = 0; i < menu->Size(); i++)
+	{
+		if (menu->at(i).type == itSong)
+		{
+			for (int j = 0; j < mPlaylist->Size(); j++)
+			{
+				if (mPlaylist->at(j).GetHash() == menu->at(i).song->GetHash())
+				{
+					bold = 1;
+					break;
+				}
+			}
+			menu->BoldOption(i, bold);
+			bold = 0;
+		}
+	}
+	menu->Refresh();
+}
+
+string DisplayItem(const Item &item, void *, const Menu<Item> *menu)
+{
+	switch (item.type)
+	{
+		case itDirectory:
+		{
+			if (item.song)
+				return "[..]";
+			int slash = item.name.find_last_of("/");
+			return "[" + (slash != string::npos ? item.name.substr(slash+1) : item.name) + "]";
+		}
+		case itSong:
+			// I know casting that way is ugly etc., but it works.
+			return DisplaySong(*item.song, &Config.song_list_format, (const Menu<Song> *)menu);
+		case itPlaylist:
+			return Config.browser_playlist_prefix + item.name;
+		default:
+			return "";
+	}
+}
+
+void GetDirectory(string dir, string subdir)
+{
+	if (dir.empty())
+		dir = "/";
+	
+	int highlightme = -1;
+	browsed_dir_scroll_begin = 0;
+	if (browsed_dir != dir)
+		mBrowser->Reset();
+	browsed_dir = dir;
+	mBrowser->Clear(0);
+	
+	if (dir != "/")
+	{
+		Item parent;
+		int slash = dir.find_last_of("/");
+		parent.song = (Song *) 1; // in that way we assume that's really parent dir
+		parent.name = slash != string::npos ? dir.substr(0, slash) : "/";
+		parent.type = itDirectory;
+		mBrowser->AddOption(parent);
+	}
+	
+	ItemList list;
+	Config.local_browser ? GetLocalDirectory(dir, list) : Mpd->GetDirectory(dir, list);
+	sort(list.begin(), list.end(), CaseInsensitiveSorting());
+	
+	for (ItemList::iterator it = list.begin(); it != list.end(); it++)
+	{
+		switch (it->type)
+		{
+			case itPlaylist:
+			{
+				mBrowser->AddOption(*it);
+				break;
+			}
+			case itDirectory:
+			{
+				if (it->name == subdir)
+					highlightme = mBrowser->Size();
+				mBrowser->AddOption(*it);
+				break;
+			}
+			case itSong:
+			{
+				bool bold = 0;
+				for (int i = 0; i < mPlaylist->Size(); i++)
+				{
+					if (mPlaylist->at(i).GetHash() == it->song->GetHash())
+					{
+						bold = 1;
+						break;
+					}
+				}
+				mBrowser->AddOption(*it, bold);
+				break;
+			}
+		}
+	}
+	mBrowser->Highlight(highlightme);
+	
+	if (current_screen == csBrowser)
+		mBrowser->Hide();
+}
+