Add the ability to support 'unar' over .zip archives

Closes #210

Author: sc0w

data/org.mate.engrampa.gschema.xml.in

@@ -126,6 +126,11 @@
       <summary>Encrypt the archive header</summary>
       <description>Whether to encrypt the archive header.  If the header is encrypted the password will be required to list the archive content as well.</description>
     </key>
+    <key name="unar-open-zip" type="b">
+      <default>false</default>
+      <summary>Adds 'unar' support over .zip archives.</summary>
+      <description>It enables the ability to support 'unar' over .zip archives.</description>
+    </key>
   </schema>
   <schema gettext-domain="@GETTEXT_PACKAGE@" id="org.mate.engrampa.dialogs" path="/org/mate/engrampa/dialogs/">
     <child name="extract" schema="org.mate.engrampa.dialogs.extract"/>

src/fr-command-7z.c

@@ -588,13 +588,24 @@ const char *sevenz_mime_types[] = { "application/x-7z-compressed",
 				    "application/x-ms-dos-executable",
 				    "application/x-ms-wim",
 				    "application/x-rar",
-				    "application/zip",
-				    NULL };
+				    "application/zip", /* zip always at the end and the number of */
+				    NULL };            /* place in fr_command_7z_get_mime_types   */
 
 
 static const char **
 fr_command_7z_get_mime_types (FrCommand *comm)
 {
+	GSettings *settings;
+	settings = g_settings_new ("org.mate.engrampa.general");
+
+	if (g_settings_get_boolean (settings, "unar-open-zip") &&
+	    is_program_in_path ("unar") && is_program_in_path ("lsar"))
+		sevenz_mime_types [8] = NULL;
+	else
+		g_settings_set_boolean (settings, "unar-open-zip", FALSE);
+
+	g_object_unref (settings);
+
 	return sevenz_mime_types;
 }
 

src/fr-command-unarchiver.c

@@ -248,7 +248,8 @@ fr_command_unarchiver_handle_error (FrCommand   *comm,
 }
 
 
-const char *unarchiver_mime_type[] = { "application/x-cbr",
+const char *unarchiver_mime_type[] = { "application/zip",
+				       "application/x-cbr",
 				       "application/x-rar",
 				       NULL };
 

src/fr-command-zip.c

@@ -392,13 +392,24 @@ const char *zip_mime_type[] = {
 				"application/x-ear",
 				"application/x-ms-dos-executable",
 				"application/x-war",
-				"application/zip",
-				NULL };
+				"application/zip", /* zip always at the end and the number of */
+				NULL };            /* place in fr_command_zip_get_mime_types  */
 
 
 static const char **
 fr_command_zip_get_mime_types (FrCommand *comm)
 {
+	GSettings *settings;
+	settings = g_settings_new ("org.mate.engrampa.general");
+
+	if (g_settings_get_boolean (settings, "unar-open-zip") &&
+	    is_program_in_path ("unar") && is_program_in_path ("lsar"))
+		zip_mime_type [10] = NULL;
+	else
+		g_settings_set_boolean (settings, "unar-open-zip", FALSE);
+
+	g_object_unref (settings);
+
 	return zip_mime_type;
 }