initial commit, 4.5 stable

platform/android/java_godot_view_wrapper.cpp

@@ -0,0 +1,116 @@
+/**************************************************************************/
+/*  java_godot_view_wrapper.cpp                                           */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* 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 "java_godot_view_wrapper.h"
+
+#include "thread_jandroid.h"
+
+GodotJavaViewWrapper::GodotJavaViewWrapper(jobject godot_view) {
+	JNIEnv *env = get_jni_env();
+	ERR_FAIL_NULL(env);
+
+	_godot_view = env->NewGlobalRef(godot_view);
+
+	_cls = (jclass)env->NewGlobalRef(env->GetObjectClass(godot_view));
+
+	_configure_pointer_icon = env->GetMethodID(_cls, "configurePointerIcon", "(ILjava/lang/String;FF)V");
+	_set_pointer_icon = env->GetMethodID(_cls, "setPointerIcon", "(I)V");
+
+	int android_device_api_level = android_get_device_api_level();
+	if (android_device_api_level >= __ANDROID_API_O__) {
+		_request_pointer_capture = env->GetMethodID(_cls, "requestPointerCapture", "()V");
+		_release_pointer_capture = env->GetMethodID(_cls, "releasePointerCapture", "()V");
+	}
+
+	_can_capture_pointer = env->GetMethodID(_cls, "canCapturePointer", "()Z");
+}
+
+bool GodotJavaViewWrapper::can_update_pointer_icon() const {
+	return _configure_pointer_icon != nullptr && _set_pointer_icon != nullptr;
+}
+
+bool GodotJavaViewWrapper::can_capture_pointer() const {
+	// We can capture the pointer if the other jni capture method ids are initialized,
+	// and GodotView#canCapturePointer() returns true.
+	if (_request_pointer_capture != nullptr && _release_pointer_capture != nullptr && _can_capture_pointer != nullptr) {
+		JNIEnv *env = get_jni_env();
+		ERR_FAIL_NULL_V(env, false);
+
+		return env->CallBooleanMethod(_godot_view, _can_capture_pointer);
+	}
+
+	return false;
+}
+
+void GodotJavaViewWrapper::request_pointer_capture() {
+	if (_request_pointer_capture != nullptr) {
+		JNIEnv *env = get_jni_env();
+		ERR_FAIL_NULL(env);
+
+		env->CallVoidMethod(_godot_view, _request_pointer_capture);
+	}
+}
+
+void GodotJavaViewWrapper::release_pointer_capture() {
+	if (_release_pointer_capture != nullptr) {
+		JNIEnv *env = get_jni_env();
+		ERR_FAIL_NULL(env);
+
+		env->CallVoidMethod(_godot_view, _release_pointer_capture);
+	}
+}
+
+void GodotJavaViewWrapper::configure_pointer_icon(int pointer_type, const String &image_path, const Vector2 &p_hotspot) {
+	if (_configure_pointer_icon != nullptr) {
+		JNIEnv *env = get_jni_env();
+		ERR_FAIL_NULL(env);
+
+		jstring jImagePath = env->NewStringUTF(image_path.utf8().get_data());
+		env->CallVoidMethod(_godot_view, _configure_pointer_icon, pointer_type, jImagePath, p_hotspot.x, p_hotspot.y);
+		env->DeleteLocalRef(jImagePath);
+	}
+}
+
+void GodotJavaViewWrapper::set_pointer_icon(int pointer_type) {
+	if (_set_pointer_icon != nullptr) {
+		JNIEnv *env = get_jni_env();
+		ERR_FAIL_NULL(env);
+
+		env->CallVoidMethod(_godot_view, _set_pointer_icon, pointer_type);
+	}
+}
+
+GodotJavaViewWrapper::~GodotJavaViewWrapper() {
+	JNIEnv *env = get_jni_env();
+	ERR_FAIL_NULL(env);
+
+	env->DeleteGlobalRef(_godot_view);
+	env->DeleteGlobalRef(_cls);
+}