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mirror of https://github.com/godotengine/godot.git synced 2025-11-06 12:20:30 +00:00

[HTML5] Add easy to use download API.

New `JavaScript.download_buffer` method to create a prompt that let the
user download a file.
This commit is contained in:
Fabio Alessandrelli
2021-05-19 15:53:04 +02:00
parent 8c2beeea90
commit fdf66a21f1
8 changed files with 51 additions and 61 deletions

View File

@@ -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);

View File

@@ -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');