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