Add access for GDNative modules to some platform dependent internals on Android

4 files changed, 152 insertions, 0 deletions

diff --git a/modules/gdnative/SCsub b/modules/gdnative/SCsub
index 6d2f8ce8ad..92fb41adf8 100644
--- a/modules/gdnative/SCsub
+++ b/modules/gdnative/SCsub
@@ -5,6 +5,7 @@ Import('env')
 gdn_env = env.Clone()
 gdn_env.add_source_files(env.modules_sources, "gdnative.cpp")
 gdn_env.add_source_files(env.modules_sources, "register_types.cpp")
+gdn_env.add_source_files(env.modules_sources, "android/*.cpp")
 gdn_env.add_source_files(env.modules_sources, "gdnative/*.cpp")
 gdn_env.add_source_files(env.modules_sources, "nativescript/*.cpp")
 gdn_env.add_source_files(env.modules_sources, "gdnative_library_singleton_editor.cpp")
@@ -49,6 +50,7 @@ def _build_gdnative_api_struct_header(api):
         '#define GODOT_GDNATIVE_API_STRUCT_H',
         '',
         '#include <gdnative/gdnative.h>',
+        '#include <android/godot_android.h>',
         '#include <arvr/godot_arvr.h>',
         '#include <nativescript/godot_nativescript.h>',
         '#include <pluginscript/godot_pluginscript.h>',
diff --git a/modules/gdnative/android/android_gdn.cpp b/modules/gdnative/android/android_gdn.cpp
new file mode 100644
index 0000000000..edc948e086
--- /dev/null
+++ b/modules/gdnative/android/android_gdn.cpp
@@ -0,0 +1,73 @@
+/*************************************************************************/
+/*  android_gdn.cpp                                                      */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* 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.                */
+/*************************************************************************/
+
+#include "modules/gdnative/gdnative.h"
+
+// Code by Paritosh97 with minor tweaks by Mux213
+// These entry points are only for the android platform and are simple stubs in all others.
+
+#ifdef __ANDROID__
+#include "platform/android/thread_jandroid.h"
+#else
+#define JNIEnv void
+#define jobject void *
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+JNIEnv *GDAPI godot_android_get_env() {
+#ifdef __ANDROID__
+	return ThreadAndroid::get_env();
+#else
+	return NULL;
+#endif
+}
+
+jobject GDAPI godot_android_get_activity() {
+#ifdef __ANDROID__
+	JNIEnv *env = ThreadAndroid::get_env();
+
+	jclass activityThread = env->FindClass("android/app/ActivityThread");
+	jmethodID currentActivityThread = env->GetStaticMethodID(activityThread, "currentActivityThread", "()Landroid/app/ActivityThread;");
+	jobject at = env->CallStaticObjectMethod(activityThread, currentActivityThread);
+	jmethodID getApplication = env->GetMethodID(activityThread, "getApplication", "()Landroid/app/Application;");
+	jobject context = env->CallObjectMethod(at, getApplication);
+
+	return env->NewGlobalRef(context);
+#else
+	return NULL;
+#endif
+}
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file
diff --git a/modules/gdnative/gdnative_api.json b/modules/gdnative/gdnative_api.json
index c16f2d3b40..217fd87c3e 100644
--- a/modules/gdnative/gdnative_api.json
+++ b/modules/gdnative/gdnative_api.json
@@ -5962,6 +5962,29 @@
       ]
     },
     {
+      "name": "android",
+      "type": "ANDROID",
+      "version": {
+        "major": 1,
+        "minor": 0
+      },
+      "next": null,
+      "api": [
+        {
+          "name": "godot_android_get_env",
+          "return_type": "JNIEnv*",
+          "arguments": [
+          ]
+        },
+        {
+          "name": "godot_android_get_activity",
+          "return_type": "jobject",
+          "arguments": [
+          ]
+        }
+      ]
+    },
+    {
       "name": "arvr",
       "type": "ARVR",
       "version": {
diff --git a/modules/gdnative/include/android/godot_android.h b/modules/gdnative/include/android/godot_android.h
new file mode 100644
index 0000000000..832dac9ac3
--- /dev/null
+++ b/modules/gdnative/include/android/godot_android.h
@@ -0,0 +1,54 @@
+/*************************************************************************/
+/*  godot_android.h                                                      */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
+/*                                                                       */
+/* 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.                */
+/*************************************************************************/
+
+#ifndef GODOT_ANDROID_GDN_H
+#define GODOT_ANDROID_GDN_H
+
+#include <gdnative/gdnative.h>
+
+#ifdef __ANDROID__
+#include <jni.h>
+#else
+#define JNIEnv void
+#define jobject void *
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+JNIEnv *GDAPI godot_android_get_env();
+jobject GDAPI godot_android_get_activity();
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !GODOT_ANDROID_GDN_H */