feat: support set application's working directory

Signed-off-by: ComixHe <heyuming@deepin.org>

apps/app-launch-helper/src/main.cpp

@@ -141,13 +141,14 @@ int processExecStart(msg_ptr &msg, const std::deque<std::string_view> &execArgs)
 
 DBusValueType getPropType(std::string_view key)
 {
-    static std::unordered_map<std::string_view, DBusValueType> map{{"Environment", DBusValueType::ArrayOfString}};
+    static std::unordered_map<std::string_view, DBusValueType> map{{"Environment", DBusValueType::ArrayOfString},
+                                                                   {"WorkingDirectory", DBusValueType::String}};
 
     if (auto it = map.find(key); it != map.cend()) {
         return it->second;
     }
 
-    return DBusValueType::Default;
+    return DBusValueType::String;  // fallback to string
 }
 
 int appendPropValue(msg_ptr &msg, DBusValueType type, std::string_view value)

apps/app-launch-helper/src/types.h

@@ -12,7 +12,7 @@
 
 enum class ExitCode { SystemdError = -3, InvalidInput = -2, InternalError = -1, Done = 0, Waiting = 1 };
 
-enum class DBusValueType { Default, ArrayOfString };
+enum class DBusValueType { String, ArrayOfString };
 
 using msg_ptr = sd_bus_message *;
 using bus_ptr = sd_bus *;

apps/app-launch-helper/src/variantvalue.cpp

@@ -8,7 +8,7 @@
 std::unique_ptr<VariantValue> creatValueHandler(msg_ptr &msg, DBusValueType type)
 {
     switch (type) {
-    case DBusValueType::Default:
+    case DBusValueType::String:
         return std::make_unique<StringValue>(msg);
     case DBusValueType::ArrayOfString:
         return std::make_unique<ASValue>(msg);