From 5f1cff6d0f1a73149ddc450cc4a66d0b6f58fffb Mon Sep 17 00:00:00 2001
From: Paul Cercueil <paul@crapouillou.net>
Date: Mon, 22 Oct 2012 23:40:09 +0200
Subject: [PATCH] Build file extensions filter from the MIME types present on
 the OPK

This feature is enabled only if libxdgmime is available.
---
 configure.in    |  3 +++
 src/linkapp.cpp | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/configure.in b/configure.in
index c1d2b9e..27016d1 100644
--- a/configure.in
+++ b/configure.in
@@ -27,6 +27,9 @@ AC_CHECK_LIB(png, png_read_image,,check_png="no")
 # Check for libopk
 AC_CHECK_LIB(opk, opk_open)
 
+# Check for libxdgmime
+AC_CHECK_LIB(xdgmime, xdg_mime_get_extensions_from_mime_type)
+
 AC_ARG_ENABLE(platform,
 			  [  --enable-platform=X        specify the targeted platform],
 			  [GMENU2X_PLATFORM="$enableval"], [GMENU2X_PLATFORM="default"])
diff --git a/src/linkapp.cpp b/src/linkapp.cpp
index 3eddcf8..0df5083 100644
--- a/src/linkapp.cpp
+++ b/src/linkapp.cpp
@@ -45,6 +45,10 @@
 #include <opk.h>
 #endif
 
+#ifdef HAVE_LIBXDGMIME
+#include <xdgmime.h>
+#endif
+
 using fastdelegate::MakeDelegate;
 using namespace std;
 
@@ -158,6 +162,35 @@ LinkApp::LinkApp(GMenu2X *gmenu2x_, Touchscreen &ts, InputManager &inputMgr_,
 			consoleApp = !strcmp(param, "true");
 #endif
 
+#ifdef HAVE_LIBXDGMIME
+		param = opk_read_param(pdata, "MimeType");
+		if (param) {
+			string::size_type oldpos = 0;
+			string mimetypes = param;
+
+			while ((pos = mimetypes.find(';')) != mimetypes.npos) {
+				int nb = 16;
+				char *extensions[nb];
+				string mimetype = mimetypes.substr(oldpos, pos);
+				mimetypes = mimetypes.substr(pos + 1);
+
+				nb = xdg_mime_get_extensions_from_mime_type(
+							mimetype.c_str(), extensions, nb);
+
+				while (nb--) {
+					selectorfilter += (string) extensions[nb] + ',';
+					free(extensions[nb]);
+				}
+
+				oldpos = pos + 1;
+			}
+
+			/* Remove last comma */
+			selectorfilter.erase(selectorfilter.end());
+			DEBUG("Compatible extensions: %s\n", selectorfilter.c_str());
+		}
+#endif /* HAVE_LIBXDGMIME */
+
 		param = opk_read_param(pdata, "X-OD-Manual");
 		if (param)
 			manual = param;