From fdf66a21f1a330595f7345f3b0024e0e7cafa28a Mon Sep 17 00:00:00 2001
From: Fabio Alessandrelli <fabio.alessandrelli@gmail.com>
Date: Wed, 19 May 2021 15:53:04 +0200
Subject: [HTML5] Add easy to use download API.

New `JavaScript.download_buffer` method to create a prompt that let the
user download a file.
---
 .../js/libs/library_godot_editor_tools.js          | 57 ----------------------
 platform/javascript/js/libs/library_godot_os.js    | 17 +++++++
 2 files changed, 17 insertions(+), 57 deletions(-)
 delete mode 100644 platform/javascript/js/libs/library_godot_editor_tools.js

(limited to 'platform/javascript/js')

diff --git a/platform/javascript/js/libs/library_godot_editor_tools.js b/platform/javascript/js/libs/library_godot_editor_tools.js
deleted file mode 100644
index d7f1ad5ea1..0000000000
--- a/platform/javascript/js/libs/library_godot_editor_tools.js
+++ /dev/null
@@ -1,57 +0,0 @@
-/*************************************************************************/
-/*  library_godot_editor_tools.js                                        */
-/*************************************************************************/
-/*                       This file is part of:                           */
-/*                           GODOT ENGINE                                */
-/*                      https://godotengine.org                          */
-/*************************************************************************/
-/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
-/* Copyright (c) 2014-2021 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.                */
-/*************************************************************************/
-
-const GodotEditorTools = {
-	godot_js_editor_download_file__deps: ['$FS'],
-	godot_js_editor_download_file__sig: 'viii',
-	godot_js_editor_download_file: function (p_path, p_name, p_mime) {
-		const path = GodotRuntime.parseString(p_path);
-		const name = GodotRuntime.parseString(p_name);
-		const mime = GodotRuntime.parseString(p_mime);
-		const size = FS.stat(path)['size'];
-		const buf = new Uint8Array(size);
-		const fd = FS.open(path, 'r');
-		FS.read(fd, buf, 0, size);
-		FS.close(fd);
-		FS.unlink(path);
-		const blob = new Blob([buf], { type: mime });
-		const url = window.URL.createObjectURL(blob);
-		const a = document.createElement('a');
-		a.href = url;
-		a.download = name;
-		a.style.display = 'none';
-		document.body.appendChild(a);
-		a.click();
-		a.remove();
-		window.URL.revokeObjectURL(url);
-	},
-};
-
-mergeInto(LibraryManager.library, GodotEditorTools);
diff --git a/platform/javascript/js/libs/library_godot_os.js b/platform/javascript/js/libs/library_godot_os.js
index 1d9f889bce..7414b8cc47 100644
--- a/platform/javascript/js/libs/library_godot_os.js
+++ b/platform/javascript/js/libs/library_godot_os.js
@@ -304,6 +304,23 @@ const GodotOS = {
 	godot_js_os_hw_concurrency_get: function () {
 		return navigator.hardwareConcurrency || 1;
 	},
+
+	godot_js_os_download_buffer__sig: 'viiii',
+	godot_js_os_download_buffer: function (p_ptr, p_size, p_name, p_mime) {
+		const buf = GodotRuntime.heapSlice(HEAP8, p_ptr, p_size);
+		const name = GodotRuntime.parseString(p_name);
+		const mime = GodotRuntime.parseString(p_mime);
+		const blob = new Blob([buf], { type: mime });
+		const url = window.URL.createObjectURL(blob);
+		const a = document.createElement('a');
+		a.href = url;
+		a.download = name;
+		a.style.display = 'none';
+		document.body.appendChild(a);
+		a.click();
+		a.remove();
+		window.URL.revokeObjectURL(url);
+	},
 };
 
 autoAddDeps(GodotOS, '$GodotOS');
-- 
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