add theoretical support for the desktop platforms

Author: tmthecoder

.idea/workspace.xml

@@ -30,6 +30,7 @@ class DesktopLibLoader implements LibLoader {
   /// of a Flutter plugin as macOS is already handled with the .process()
   @override
   String getPath() =>
-    Platform.isLinux ? "libargon2.so" : "libargon2.dll";
+    Platform.isLinux ? Platform.environment['LIBFOO_PATH'] ?? "libargon2.so"
+        : "libargon2.dll";
 
 }

dargon2_flutter/dargon2_flutter_desktop/lib/src/native/desktop_lib_loader.dart

@@ -20,6 +20,10 @@ target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::GTK)
 
 # List of absolute paths to libraries that should be bundled with the plugin
 set(dargon2_flutter_desktop_bundled_libraries
-  ""
+  "$<TARGET_FILE:argon2>"
   PARENT_SCOPE
 )
+
+add_subdirectory(../native)
+
+

dargon2_flutter/dargon2_flutter_desktop/linux/CMakeLists.txt

@@ -10,6 +10,18 @@
   (G_TYPE_CHECK_INSTANCE_CAST((obj), dargon2_flutter_desktop_plugin_get_type(), \
                               Dargon2FlutterDesktopPlugin))
 
+static gchar* get_executable_dir() {
+  g_autoptr(GError) error = nullptr;
+  g_autofree gchar* exe_path = g_file_read_link("/proc/self/exe", &error);
+  if (exe_path == nullptr) {
+    g_critical("Failed to determine location of executable: %s",
+               error->message);
+    return nullptr;
+  }
+
+  return g_path_get_dirname(exe_path);
+}
+
 struct _Dargon2FlutterDesktopPlugin {
   GObject parent_instance;
 };
@@ -57,6 +69,11 @@ void dargon2_flutter_desktop_plugin_register_with_registrar(FlPluginRegistrar* r
   Dargon2FlutterDesktopPlugin* plugin = DARGON2_FLUTTER_DESKTOP_PLUGIN(
       g_object_new(dargon2_flutter_desktop_plugin_get_type(), nullptr));
 
+  g_autofree gchar* executable_dir = get_executable_dir();
+  g_autofree gchar* libfoo_path =
+      g_build_filename(self_exe, "lib", "libfoo.so", nullptr);
+  setenv("LIBFOO_PATH", libfoo_path, 0);
+
   g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
   g_autoptr(FlMethodChannel) channel =
       fl_method_channel_new(fl_plugin_registrar_get_messenger(registrar),

dargon2_flutter/dargon2_flutter_desktop/linux/dargon2_flutter_desktop_plugin.cc

@@ -15,6 +15,7 @@ dargon2_flutter's desktop implementation
   s.source           = { :path => '.' }
   s.source_files     = 'Classes/**/*'
   s.dependency 'FlutterMacOS'
+  s.dependency 'Argon2Swift'
 
   s.platform = :osx, '10.11'
   s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES' }

dargon2_flutter/dargon2_flutter_desktop/macos/dargon2_flutter_desktop.podspec

@@ -0,0 +1,24 @@
+# Copyright 2020 Tejas Mehta <[email protected]>
+# Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+# The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+cmake_minimum_required(VERSION 3.6.0)
+
+# CMake Instructions for Argon2's build for Android's NDK
+
+project(argon2 C CXX)
+set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Os")
+
+file(GLOB argon2_SOURCES
+       ./argon2/src/blake2/blake2b.c
+       ./argon2/src/argon2.c
+        ./argon2/src/core.c
+        ./argon2/src/encoding.c
+        ./argon2/src/ref.c
+        ./argon2/src/thread.c
+)
+
+add_library(argon2 SHARED ${argon2_SOURCES})
+target_compile_options(argon2 PRIVATE)
+target_include_directories(argon2 PUBLIC ./Argon2/include/)

dargon2_flutter/dargon2_flutter_desktop/native/CMakeLists.txt

@@ -19,6 +19,8 @@ target_link_libraries(${PLUGIN_NAME} PRIVATE flutter flutter_wrapper_plugin)
 
 # List of absolute paths to libraries that should be bundled with the plugin
 set(dargon2_flutter_desktop_bundled_libraries
-  ""
+  "$<TARGET_FILE:argon2>"
   PARENT_SCOPE
 )
+
+add_subdirectory(../native)