CLOUD: Add openUrl() for POSIX

backends/networking/browser/openurl-posix.cpp

@@ -0,0 +1,77 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#define FORBIDDEN_SYMBOL_ALLOW_ALL
+
+#include "backends/networking/browser/openurl.h"
+#include "common/textconsole.h"
+#include <stdlib.h>
+
+namespace Networking {
+namespace Browser {
+
+namespace {    
+bool launch(const Common::String client, const Common::String &url) {
+    // FIXME: system's input must be heavily escaped
+    // well, when url's specified by user
+    // it's OK now (urls are hardcoded somewhere in GUI)
+    Common::String cmd = client + " " + url;
+    return (system(cmd.c_str()) != -1);
+}
+}
+
+bool openUrl(const Common::String &url) {
+    // inspired by Qt's "qdesktopservices_x11.cpp"
+    
+    // try "standards"
+    if (launch("xdg-open", url))
+        return true;    
+    if (launch(getenv("DEFAULT_BROWSER"), url))
+        return true;
+    if (launch(getenv("BROWSER"), url))
+        return true;
+
+    // try desktop environment specific tools
+    if (launch("gnome-open", url)) // gnome
+        return true;
+    if (launch("kfmclient openURL", url)) // kde
+        return true;
+    if (launch("exo-open", url)) // xfce
+        return true;
+
+    // try browser names
+    if (launch("firefox", url))
+        return true;
+    if (launch("mozilla", url))
+        return true;
+    if (launch("netscape", url))
+        return true;
+    if (launch("opera", url))
+        return true;
+    
+    warning("Networking::Browser::openUrl() (POSIX) failed to open URL");
+    return false;
+}
+
+} // End of namespace Browser
+} // End of namespace Networking
+