71 lines
2 KiB
C++
71 lines
2 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifdef __EMSCRIPTEN__
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#define FORBIDDEN_SYMBOL_EXCEPTION_FILE
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#include <emscripten.h>
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#include "backends/platform/sdl/emscripten/emscripten.h"
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// Inline JavaScript, see https://emscripten.org/docs/api_reference/emscripten.h.html#inline-assembly-javascript for details
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EM_JS(bool, isFullscreen, (), {
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return !!document.fullscreenElement;
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});
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EM_JS(void, toggleFullscreen, (bool enable), {
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let canvas = document.getElementById('canvas');
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if (enable && !document.fullscreenElement) {
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canvas.requestFullscreen();
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}
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if (!enable && document.fullscreenElement) {
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document.exitFullscreen();
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}
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});
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// Overridden functions
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bool OSystem_Emscripten::hasFeature(Feature f) {
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if (f == kFeatureFullscreenMode)
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return true;
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if (f == kFeatureNoQuit)
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return true;
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return OSystem_POSIX::hasFeature(f);
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}
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bool OSystem_Emscripten::getFeatureState(Feature f) {
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if (f == kFeatureFullscreenMode) {
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return isFullscreen();
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} else {
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return OSystem_POSIX::getFeatureState(f);
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}
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}
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void OSystem_Emscripten::setFeatureState(Feature f, bool enable) {
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if (f == kFeatureFullscreenMode) {
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toggleFullscreen(enable);
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} else {
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OSystem_POSIX::setFeatureState(f, enable);
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}
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}
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#endif
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