libdino: try to load all plugins found in the respective folders

3 files changed, 65 insertions, 37 deletions

diff --git a/libdino/CMakeLists.txt b/libdino/CMakeLists.txt
index 22dab2d8..96abdd62 100644
--- a/libdino/CMakeLists.txt
+++ b/libdino/CMakeLists.txt
@@ -74,7 +74,7 @@ DEPENDS
     ${CMAKE_BINARY_DIR}/exports/dino_i18n.h
 )
 
-add_definitions(${VALA_CFLAGS} -DDINO_PLUGINS_SYSTEM_PLUGIN_DIR="${PLUGIN_INSTALL_DIR}" -DDINO_PLUGINS_SYSTEM_LIBDIR_NAME="${LIBDIR_NAME}")
+add_definitions(${VALA_CFLAGS} -DDINO_SYSTEM_PLUGIN_DIR="${PLUGIN_INSTALL_DIR}" -DDINO_SYSTEM_LIBDIR_NAME="${LIBDIR_NAME}")
 add_library(libdino SHARED ${LIBDINO_VALA_C} ${CMAKE_BINARY_DIR}/exports/dino_i18n.h)
 add_dependencies(libdino dino-vapi)
 target_link_libraries(libdino xmpp-vala qlite ${LIBDINO_PACKAGES} m)
diff --git a/libdino/src/plugin/loader.vala b/libdino/src/plugin/loader.vala
index d38a0ec5..43876b92 100644
--- a/libdino/src/plugin/loader.vala
+++ b/libdino/src/plugin/loader.vala
@@ -1,7 +1,6 @@
-namespace Dino.Plugins {
+using Gee;
 
-private extern const string SYSTEM_LIBDIR_NAME;
-private extern const string SYSTEM_PLUGIN_DIR;
+namespace Dino.Plugins {
 
 private class Info : Object {
     public Module module;
@@ -15,72 +14,76 @@ private class Info : Object {
 
 public class Loader : Object {
     [CCode (has_target = false)]
-    private delegate Type RegisterPluginFunction (Module module);
+    private delegate Type RegisterPluginFunction(Module module);
 
-    private string[] search_paths = new string[0];
+    private Application app;
+    private string[] search_paths;
     private RootInterface[] plugins = new RootInterface[0];
     private Info[] infos = new Info[0];
 
-    public Loader(string? exec_str = null) {
-        if (Environment.get_variable("DINO_PLUGIN_DIR") != null) {
-            search_paths += Environment.get_variable("DINO_PLUGIN_DIR");
+    public Loader(Application app) {
+        this.app = app;
+        this.search_paths = app.search_path_generator.get_plugin_paths();
+    }
+
+    public void loadAll() {
+        if (Module.supported() == false) {
+            throw new Error(-1, 0, "Plugins are not supported");
         }
-        search_paths += Path.build_filename(Environment.get_home_dir(), ".local", "lib", "dino", "plugins");
-        string? exec_path = exec_str;
-        if (exec_path != null) {
-            if (!exec_path.contains(Path.DIR_SEPARATOR_S)) {
-                exec_path = Environment.find_program_in_path(exec_str);
-            }
-            if (Path.get_dirname(exec_path).contains("dino") || Path.get_dirname(exec_path) == "." || Path.get_dirname(exec_path).contains("build")) {
-                search_paths += Path.build_filename(Path.get_dirname(exec_path), "plugins");
-            }
-            if (Path.get_basename(Path.get_dirname(exec_path)) == "bin") {
-                search_paths += Path.build_filename(Path.get_dirname(Path.get_dirname(exec_path)), SYSTEM_LIBDIR_NAME, "dino", "plugins");
+
+        HashSet<string> plugin_names = new HashSet<string>();
+
+        foreach (string path in search_paths) {
+            try {
+                Dir dir = Dir.open(path, 0);
+                string? file = null;
+                while ((file = dir.read_name()) != null) {
+                    if (file.has_suffix(Module.SUFFIX)) plugin_names.add(file);
+                }
+            } catch (Error e) {
+                // Ignore this folder
             }
         }
-        search_paths += SYSTEM_PLUGIN_DIR;
-    }
 
-    public void print_search_paths() {
-        foreach (string prefix in search_paths) {
-            print(@"$prefix\n");
+        foreach (string plugin in plugin_names) {
+            load(plugin);
         }
     }
 
-    public RootInterface load(string name, Dino.Application app) throws Error {
-        if (Module.supported () == false) {
-            throw new Error (-1, 0, "Plugins are not supported");
+    public RootInterface load(string name) throws Error {
+        if (Module.supported() == false) {
+            throw new Error(-1, 0, "Plugins are not supported");
         }
 
         Module module = null;
         string path = "";
         foreach (string prefix in search_paths) {
             path = Path.build_filename(prefix, name);
-            module = Module.open (path, ModuleFlags.BIND_LAZY);
+            module = Module.open(path, ModuleFlags.BIND_LAZY);
             if (module != null) break;
         }
         if (module == null) {
-            throw new Error (-1, 1, "%s", Module.error ().replace(path, name));
+            throw new Error(-1, 1, "%s", Module.error().replace(path, name));
         }
 
         void* function;
-        module.symbol ("register_plugin", out function);
+        module.symbol("register_plugin", out function);
         if (function == null) {
-            throw new Error (-1, 2, "register_plugin () not found");
+            throw new Error(-1, 2, "register_plugin () not found");
         }
 
         RegisterPluginFunction register_plugin = (RegisterPluginFunction) function;
-        Type type = register_plugin (module);
-        if (type.is_a (typeof (RootInterface)) == false) {
-            throw new Error (-1, 3, "Unexpected type");
+        Type type = register_plugin(module);
+        if (type.is_a(typeof(RootInterface)) == false) {
+            throw new Error(-1, 3, "Unexpected type");
         }
 
-        Info info = new Plugins.Info (type, (owned) module);
+        Info info = new Plugins.Info(type, (owned) module);
         infos += info;
 
         RootInterface plugin = (RootInterface) Object.new (type);
         plugins += plugin;
-        plugin.registered (app);
+        plugin.registered(app);
 
         return plugin;
     }
diff --git a/libdino/src/util.vala b/libdino/src/util.vala
index 85047dd8..cc705c10 100644
--- a/libdino/src/util.vala
+++ b/libdino/src/util.vala
@@ -1,5 +1,8 @@
 namespace Dino {
 
+private extern const string SYSTEM_LIBDIR_NAME;
+private extern const string SYSTEM_PLUGIN_DIR;
+
 public class SearchPathGenerator {
 
     public string? exec_path { get; private set; }
@@ -18,6 +21,28 @@ public class SearchPathGenerator {
         }
         return locale_dir ?? locale_install_dir;
     }
+
+    public string[] get_plugin_paths() {
+        string[] search_paths = new string[0];
+        if (Environment.get_variable("DINO_PLUGIN_DIR") != null) {
+            search_paths += Environment.get_variable("DINO_PLUGIN_DIR");
+        }
+        search_paths += Path.build_filename(Environment.get_home_dir(), ".local", "lib", "dino", "plugins");
+        string? exec_path = this.exec_path;
+        if (exec_path != null) {
+            if (!exec_path.contains(Path.DIR_SEPARATOR_S)) {
+                exec_path = Environment.find_program_in_path(this.exec_path);
+            }
+            if (Path.get_dirname(exec_path).contains("dino") || Path.get_dirname(exec_path) == "." || Path.get_dirname(exec_path).contains("build")) {
+                search_paths += Path.build_filename(Path.get_dirname(exec_path), "plugins");
+            }
+            if (Path.get_basename(Path.get_dirname(exec_path)) == "bin") {
+                search_paths += Path.build_filename(Path.get_dirname(Path.get_dirname(exec_path)), SYSTEM_LIBDIR_NAME, "dino", "plugins");
+            }
+        }
+        search_paths += SYSTEM_PLUGIN_DIR;
+        return search_paths;
+    }
 }
 
 public static string get_storage_dir() {