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Adding webui_interface_set_response_file_handler

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This commit is contained in:
Albert 2025-01-24 16:56:25 -05:00
parent 4dcf4ce07c
commit c9087c35b1
2 changed files with 60 additions and 0 deletions
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11
include/webui.h
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@ -463,6 +463,17 @@ WEBUI_EXPORT void webui_set_file_handler(size_t window, const void* (*handler)(c
*/
WEBUI_EXPORT void webui_set_file_handler_window(size_t window, const void* (*handler)(size_t window, const char* filename, int* length));
/**
* @brief Use this API to set a file handler response if your backend need async
* response for `webui_set_file_handler()`.
*
* @param window The window number
* @param response The response buffer
* @param length The response size
*
* @example webui_interface_set_response_file_handler(myWindow, buffer, 1024);
*/
WEBUI_EXPORT void webui_interface_set_response_file_handler(size_t window, const void* response, int length);
/**
* @brief Check if the specified window is still running.

49
src/webui.c
View File

@ -339,6 +339,9 @@ typedef struct _webui_window_t {
size_t process_id;
const void*(*files_handler)(const char* filename, int* length);
const void*(*files_handler_window)(size_t window, const char* filename, int* length);
const void* file_handler_async_response;
int file_handler_async_len;
bool file_handler_async_done;
webui_event_inf_t* events[WEBUI_MAX_IDS];
size_t events_count;
bool is_public;
@ -3675,6 +3678,34 @@ void webui_interface_set_response(size_t window, size_t event_number, const char
#endif
}
void webui_interface_set_response_file_handler(size_t window, const void* response, int length) {
#ifdef WEBUI_LOG
printf("[User] webui_interface_set_response_file_handler()\n");
printf("[User] webui_interface_set_response_file_handler() -> window #%zu\n", window);
printf("[User] webui_interface_set_response_file_handler() -> Response %zu bytes\n", length);
#endif
// Initialization
_webui_init();
// Dereference
if (_webui_mutex_is_exit_now(WEBUI_MUTEX_NONE) || _webui.wins[window] == NULL)
return;
_webui_window_t* win = _webui.wins[window];
// Set the response
win->file_handler_async_response = response;
win->file_handler_async_len = length;
// Async response
if (_webui.config.asynchronous_response) {
_webui_mutex_lock(&_webui.mutex_async_response);
win->file_handler_async_done = true;
_webui_mutex_unlock(&_webui.mutex_async_response);
}
}
bool webui_interface_is_app_running(void) {
#ifdef WEBUI_LOG
@ -4494,10 +4525,28 @@ static int _webui_external_file_handler(_webui_window_t* win, struct mg_connecti
printf("[Call]\n");
#endif
// Async response ini
if (_webui.config.asynchronous_response) {
win->file_handler_async_response = NULL;
win->file_handler_async_len = 0;
win->file_handler_async_done = false;
}
// True if we pass the window num to the handler, false otherwise.
int is_file_handler_window = win->files_handler_window != NULL;
const void* callback_resp = is_file_handler_window ? win->files_handler_window(win->num, url, (int*)&length) : win->files_handler(url, (int*)&length);
// Async response wait
if (_webui.config.asynchronous_response) {
bool done = false;
while (!done) {
_webui_sleep(10);
_webui_mutex_lock(&_webui.mutex_async_response);
if(win->file_handler_async_done) done = true;
_webui_mutex_unlock(&_webui.mutex_async_response);
}
}
if (callback_resp != NULL) {
// File content found