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emscripten: Send SDL_APP_TERMINATING before unload (#88)

This commit is contained in:
Sylvain Beucler 2020-04-09 15:01:37 +01:00
parent 0380cbd792
commit 44716b0236
1 changed files with 14 additions and 0 deletions
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14
src/video/emscripten/SDL_emscriptenevents.c
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@ -645,6 +645,16 @@ Emscripten_HandleVisibilityChange(int eventType, const EmscriptenVisibilityChang
return 0;
}
static const char*
Emscripten_HandleBeforeUnload(int eventType, const void *reserved, void *userData)
{
/* This event will need to be handled synchronously, e.g. using
SDL_AddEventWatch, as the page is being closed *now*. */
/* No need to send a SDL_QUIT, the app won't get control again. */
SDL_SendAppEvent(SDL_APP_TERMINATING);
return ""; /* don't trigger confirmation dialog */
}
void
Emscripten_RegisterEventHandlers(SDL_WindowData *data)
{
@ -684,6 +694,8 @@ Emscripten_RegisterEventHandlers(SDL_WindowData *data)
emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, data, 0, Emscripten_HandleResize);
emscripten_set_visibilitychange_callback(data, 0, Emscripten_HandleVisibilityChange);
emscripten_set_beforeunload_callback(data, Emscripten_HandleBeforeUnload);
}
void
@ -726,6 +738,8 @@ Emscripten_UnregisterEventHandlers(SDL_WindowData *data)
emscripten_set_resize_callback(EMSCRIPTEN_EVENT_TARGET_WINDOW, NULL, 0, NULL);
emscripten_set_visibilitychange_callback(NULL, 0, NULL);
emscripten_set_beforeunload_callback(NULL, NULL);
}
#endif /* SDL_VIDEO_DRIVER_EMSCRIPTEN */