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/**************************************************************************/
/*  GodotVulkanRenderView.java                                            */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             REDOT ENGINE                               */
/*                        https://redotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors                   */
/*                                          (see REDOT_AUTHORS.md)        */
/* 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.                 */
/**************************************************************************/

package org.godotengine.godot;

import org.godotengine.godot.input.GodotInputHandler;
import org.godotengine.godot.vulkan.VkRenderer;
import org.godotengine.godot.vulkan.VkSurfaceView;

import android.annotation.SuppressLint;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Build;
import android.text.TextUtils;
import android.util.SparseArray;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.PointerIcon;
import android.view.SurfaceView;

import androidx.annotation.Keep;

import java.io.InputStream;

class GodotVulkanRenderView extends VkSurfaceView implements GodotRenderView {
	private final GodotHost host;
	private final Godot godot;
	private final GodotInputHandler mInputHandler;
	private final VkRenderer mRenderer;
	private final SparseArray<PointerIcon> customPointerIcons = new SparseArray<>();

	public GodotVulkanRenderView(GodotHost host, Godot godot, GodotInputHandler inputHandler) {
		super(host.getActivity());

		this.host = host;
		this.godot = godot;
		mInputHandler = inputHandler;
		mRenderer = new VkRenderer();
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
			setPointerIcon(PointerIcon.getSystemIcon(getContext(), PointerIcon.TYPE_DEFAULT));
		}
		setFocusableInTouchMode(true);
		setClickable(false);
	}

	@Override
	public void startRenderer() {
		startRenderer(mRenderer);
	}

	@Override
	public SurfaceView getView() {
		return this;
	}

	@Override
	public void queueOnRenderThread(Runnable event) {
		queueOnVkThread(event);
	}

	@Override
	public void onActivityPaused() {
		queueOnVkThread(() -> {
			GodotLib.focusout();
			// Pause the renderer
			mRenderer.onVkPause();
		});
	}

	@Override
	public void onActivityStopped() {
		pauseRenderThread();
	}

	@Override
	public void onActivityStarted() {
		resumeRenderThread();
	}

	@Override
	public void onActivityResumed() {
		queueOnVkThread(() -> {
			// Resume the renderer
			mRenderer.onVkResume();
			GodotLib.focusin();
		});
	}

	@Override
	public void onActivityDestroyed() {
		requestRenderThreadExitAndWait();
	}

	@Override
	public GodotInputHandler getInputHandler() {
		return mInputHandler;
	}

	@SuppressLint("ClickableViewAccessibility")
	@Override
	public boolean onTouchEvent(MotionEvent event) {
		super.onTouchEvent(event);
		return mInputHandler.onTouchEvent(event);
	}

	@Override
	public boolean onKeyUp(final int keyCode, KeyEvent event) {
		return mInputHandler.onKeyUp(keyCode, event) || super.onKeyUp(keyCode, event);
	}

	@Override
	public boolean onKeyDown(final int keyCode, KeyEvent event) {
		return mInputHandler.onKeyDown(keyCode, event) || super.onKeyDown(keyCode, event);
	}

	@Override
	public boolean onGenericMotionEvent(MotionEvent event) {
		return mInputHandler.onGenericMotionEvent(event) || super.onGenericMotionEvent(event);
	}

	@Override
	public boolean onCapturedPointerEvent(MotionEvent event) {
		return mInputHandler.onGenericMotionEvent(event);
	}

	@Override
	public void requestPointerCapture() {
		if (canCapturePointer()) {
			super.requestPointerCapture();
			mInputHandler.onPointerCaptureChange(true);
		}
	}

	@Override
	public void releasePointerCapture() {
		super.releasePointerCapture();
		mInputHandler.onPointerCaptureChange(false);
	}

	@Override
	public void onPointerCaptureChange(boolean hasCapture) {
		super.onPointerCaptureChange(hasCapture);
		mInputHandler.onPointerCaptureChange(hasCapture);
	}

	/**
	 * Used to configure the PointerIcon for the given type.
	 *
	 * Called from JNI
	 */
	@Keep
	@Override
	public void configurePointerIcon(int pointerType, String imagePath, float hotSpotX, float hotSpotY) {
		if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
			try {
				Bitmap bitmap = null;
				if (!TextUtils.isEmpty(imagePath)) {
					if (godot.getDirectoryAccessHandler().filesystemFileExists(imagePath)) {
						// Try to load the bitmap from the file system
						bitmap = BitmapFactory.decodeFile(imagePath);
					} else if (godot.getDirectoryAccessHandler().assetsFileExists(imagePath)) {
						// Try to load the bitmap from the assets directory
						AssetManager am = getContext().getAssets();
						InputStream imageInputStream = am.open(imagePath);
						bitmap = BitmapFactory.decodeStream(imageInputStream);
					}
				}

				PointerIcon customPointerIcon = PointerIcon.create(bitmap, hotSpotX, hotSpotY);
				customPointerIcons.put(pointerType, customPointerIcon);
			} catch (Exception e) {
				// Reset the custom pointer icon
				customPointerIcons.delete(pointerType);
			}
		}
	}

	/**
	 * called from JNI to change pointer icon
	 */
	@Keep
	@Override
	public void setPointerIcon(int pointerType) {
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
			PointerIcon pointerIcon = customPointerIcons.get(pointerType);
			if (pointerIcon == null) {
				pointerIcon = PointerIcon.getSystemIcon(getContext(), pointerType);
			}
			setPointerIcon(pointerIcon);
		}
	}

	@Override
	public PointerIcon onResolvePointerIcon(MotionEvent me, int pointerIndex) {
		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
			return getPointerIcon();
		}
		return super.onResolvePointerIcon(me, pointerIndex);
	}
}