[feat] add HarmonyOS desktop and mobile clients，issue #117

apps/harmony/desktop-port/tray.cpp

@@ -0,0 +1,39 @@
+#include "platform/harmony/gui/tray/harmony_tray.h"
+#include "bridge.h"
+#include "localization.h"
+#include "rd_log.h"
+
+namespace crossdesk {
+namespace { HarmonyTray* current = nullptr; }
+HarmonyTray::HarmonyTray(std::function<void()> show, std::function<void()> hide,
+                         std::function<void()> settings, std::function<void()> exit,
+                         const std::string& tooltip, int language)
+    : show_(std::move(show)), hide_(std::move(hide)),
+      settings_(std::move(settings)), exit_(std::move(exit)) {
+  current = this;
+  language = localization::detail::ClampLanguageIndex(language);
+  auto result = harmony::desktop::Request({{"op", "trayCreate"}, {"title", tooltip},
+      {"show", localization::show_main_window[language]},
+      {"settings", localization::settings[language]},
+      {"exit", localization::exit_program[language]}});
+  active_ = result.value("ok", false);
+  if (!active_) LOG_WARN("Harmony tray unavailable: {}", result.value("message", "unsupported"));
+}
+HarmonyTray::~HarmonyTray() { RemoveTrayIcon(); if (current == this) current = nullptr; }
+bool HarmonyTray::MinimizeToTray() {
+  if (!active_) return false;
+  hide_();
+  return true;
+}
+void HarmonyTray::RemoveTrayIcon() {
+  if (!active_) return;
+  active_ = false;
+  harmony::desktop::Emit({{"op", "trayRemove"}});
+}
+void HarmonyTray::Dispatch(const std::string& action) {
+  if (!current) return;
+  if (action == "show") current->show_();
+  else if (action == "settings") current->settings_();
+  else if (action == "exit") current->exit_();
+}
+}