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[HTML5] Implement Godot <-> JavaScript interface.

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This commit is contained in:
Fabio Alessandrelli
2021-01-26 10:06:29 +01:00
parent fcfce4be67
commit 730a894bcf
9 changed files with 797 additions and 172 deletions
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34
platform/javascript/api/api.cpp
View File

@@ -30,13 +30,14 @@
#include "api.h"
#include "core/engine.h"
#include "javascript_eval.h"
#include "javascript_singleton.h"
#include "javascript_tools_editor_plugin.h"
static JavaScript *javascript_eval;
void register_javascript_api() {
JavaScriptToolsEditorPlugin::initialize();
ClassDB::register_virtual_class<JavaScriptObject>();
ClassDB::register_virtual_class<JavaScript>();
javascript_eval = memnew(JavaScript);
Engine::get_singleton()->add_singleton(Engine::Singleton("JavaScript", javascript_eval));
@@ -61,10 +62,41 @@ JavaScript::~JavaScript() {}
void JavaScript::_bind_methods() {
ClassDB::bind_method(D_METHOD("eval", "code", "use_global_execution_context"), &JavaScript::eval, DEFVAL(false));
ClassDB::bind_method(D_METHOD("get_interface", "interface"), &JavaScript::get_interface);
ClassDB::bind_method(D_METHOD("create_callback", "object", "method"), &JavaScript::create_callback);
{
MethodInfo mi;
mi.name = "create_object";
mi.arguments.push_back(PropertyInfo(Variant::STRING, "object"));
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "create_object", &JavaScript::_create_object_bind, mi);
}
}
#if !defined(JAVASCRIPT_ENABLED) || !defined(JAVASCRIPT_EVAL_ENABLED)
Variant JavaScript::eval(const String &p_code, bool p_use_global_exec_context) {
return Variant();
}
Ref<JavaScriptObject> JavaScript::get_interface(const String &p_interface) {
return Ref<JavaScriptObject>();
}
Ref<JavaScriptObject> JavaScript::create_callback(Object *p_ref, const StringName &p_method) {
return Ref<JavaScriptObject>();
}
Variant JavaScript::_create_object_bind(const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
if (p_argcount < 1) {
r_error.error = Variant::CallError::CALL_ERROR_TOO_FEW_ARGUMENTS;
r_error.argument = 0;
return Ref<JavaScriptObject>();
}
if (p_args[0]->get_type() != Variant::STRING) {
r_error.error = Variant::CallError::CALL_ERROR_INVALID_ARGUMENT;
r_error.argument = 0;
r_error.expected = Variant::STRING;
return Ref<JavaScriptObject>();
}
return Ref<JavaScriptObject>();
}
#endif

22
platform/javascript/api/javascript_eval.h → platform/javascript/api/javascript_singleton.h
View File

@@ -1,5 +1,5 @@
/*************************************************************************/
/* javascript_eval.h */
/* javascript_singleton.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
@@ -28,10 +28,21 @@
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef JAVASCRIPT_EVAL_H
#define JAVASCRIPT_EVAL_H
#ifndef JAVASCRIPT_SINGLETON_H
#define JAVASCRIPT_SINGLETON_H
#include "core/object.h"
#include "core/reference.h"
class JavaScriptObject : public Reference {
private:
GDCLASS(JavaScriptObject, Reference);
protected:
virtual bool _set(const StringName &p_name, const Variant &p_value) { return false; }
virtual bool _get(const StringName &p_name, Variant &r_ret) const { return false; }
virtual void _get_property_list(List<PropertyInfo> *p_list) const {}
};
class JavaScript : public Object {
private:
@@ -44,10 +55,13 @@ protected:
public:
Variant eval(const String &p_code, bool p_use_global_exec_context = false);
Ref<JavaScriptObject> get_interface(const String &p_interface);
Ref<JavaScriptObject> create_callback(Object *p_ref, const StringName &p_method);
Variant _create_object_bind(const Variant **p_args, int p_argcount, Variant::CallError &r_error);
static JavaScript *get_singleton();
JavaScript();
~JavaScript();
};
#endif // JAVASCRIPT_EVAL_H
#endif // JAVASCRIPT_SINGLETON_H