459 lines
14 KiB
C
459 lines
14 KiB
C
#include "file_browser_worker.h"
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#include <core/check.h>
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#include <core/common_defines.h>
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#include "m-string.h"
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#include "storage/filesystem_api_defines.h"
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#include <m-array.h>
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#include <stdbool.h>
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#include <storage/storage.h>
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#include <furi.h>
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#include <stddef.h>
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#include "toolbox/path.h"
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#define TAG "BrowserWorker"
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#define ASSETS_DIR "assets"
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#define BROWSER_ROOT STORAGE_ANY_PATH_PREFIX
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#define FILE_NAME_LEN_MAX 256
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#define LONG_LOAD_THRESHOLD 100
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typedef enum {
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WorkerEvtStop = (1 << 0),
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WorkerEvtLoad = (1 << 1),
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WorkerEvtFolderEnter = (1 << 2),
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WorkerEvtFolderExit = (1 << 3),
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WorkerEvtFolderRefresh = (1 << 4),
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WorkerEvtConfigChange = (1 << 5),
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} WorkerEvtFlags;
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#define WORKER_FLAGS_ALL \
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(WorkerEvtStop | WorkerEvtLoad | WorkerEvtFolderEnter | WorkerEvtFolderExit | \
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WorkerEvtFolderRefresh | WorkerEvtConfigChange)
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ARRAY_DEF(idx_last_array, int32_t)
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struct BrowserWorker {
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FuriThread* thread;
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string_t filter_extension;
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string_t path_next;
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int32_t item_sel_idx;
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uint32_t load_offset;
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uint32_t load_count;
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bool skip_assets;
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idx_last_array_t idx_last;
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void* cb_ctx;
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BrowserWorkerFolderOpenCallback folder_cb;
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BrowserWorkerListLoadCallback list_load_cb;
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BrowserWorkerListItemCallback list_item_cb;
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BrowserWorkerLongLoadCallback long_load_cb;
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};
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static bool browser_path_is_file(string_t path) {
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bool state = false;
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FileInfo file_info;
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Storage* storage = furi_record_open(RECORD_STORAGE);
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if(storage_common_stat(storage, string_get_cstr(path), &file_info) == FSE_OK) {
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if((file_info.flags & FSF_DIRECTORY) == 0) {
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state = true;
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}
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}
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furi_record_close(RECORD_STORAGE);
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return state;
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}
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static bool browser_path_trim(string_t path) {
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bool is_root = false;
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size_t filename_start = string_search_rchar(path, '/');
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string_left(path, filename_start);
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if((string_empty_p(path)) || (filename_start == STRING_FAILURE)) {
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string_set_str(path, BROWSER_ROOT);
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is_root = true;
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}
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return is_root;
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}
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static bool browser_filter_by_name(BrowserWorker* browser, string_t name, bool is_folder) {
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if(is_folder) {
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// Skip assets folders (if enabled)
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if(browser->skip_assets) {
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return ((string_cmp_str(name, ASSETS_DIR) == 0) ? (false) : (true));
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} else {
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return true;
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}
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} else {
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// Filter files by extension
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if((string_empty_p(browser->filter_extension)) ||
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(string_cmp_str(browser->filter_extension, "*") == 0)) {
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return true;
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}
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if(string_end_with_string_p(name, browser->filter_extension)) {
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return true;
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}
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}
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return false;
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}
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static bool browser_folder_check_and_switch(string_t path) {
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FileInfo file_info;
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Storage* storage = furi_record_open(RECORD_STORAGE);
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bool is_root = false;
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if(string_search_rchar(path, '/') == 0) {
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is_root = true;
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}
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while(1) {
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// Check if folder is existing and navigate back if not
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if(storage_common_stat(storage, string_get_cstr(path), &file_info) == FSE_OK) {
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if(file_info.flags & FSF_DIRECTORY) {
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break;
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}
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}
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if(is_root) {
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break;
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}
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is_root = browser_path_trim(path);
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}
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furi_record_close(RECORD_STORAGE);
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return is_root;
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}
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static bool browser_folder_init(
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BrowserWorker* browser,
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string_t path,
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string_t filename,
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uint32_t* item_cnt,
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int32_t* file_idx) {
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bool state = false;
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FileInfo file_info;
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uint32_t total_files_cnt = 0;
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Storage* storage = furi_record_open(RECORD_STORAGE);
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File* directory = storage_file_alloc(storage);
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char name_temp[FILE_NAME_LEN_MAX];
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string_t name_str;
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string_init(name_str);
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*item_cnt = 0;
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*file_idx = -1;
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if(storage_dir_open(directory, string_get_cstr(path))) {
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state = true;
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while(1) {
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if(!storage_dir_read(directory, &file_info, name_temp, FILE_NAME_LEN_MAX)) {
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break;
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}
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if((storage_file_get_error(directory) == FSE_OK) && (name_temp[0] != '\0')) {
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total_files_cnt++;
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string_set_str(name_str, name_temp);
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if(browser_filter_by_name(browser, name_str, (file_info.flags & FSF_DIRECTORY))) {
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if(!string_empty_p(filename)) {
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if(string_cmp(name_str, filename) == 0) {
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*file_idx = *item_cnt;
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}
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}
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(*item_cnt)++;
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}
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if(total_files_cnt == LONG_LOAD_THRESHOLD) {
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// There are too many files in folder and counting them will take some time - send callback to app
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if(browser->long_load_cb) {
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browser->long_load_cb(browser->cb_ctx);
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}
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}
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}
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}
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}
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string_clear(name_str);
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storage_dir_close(directory);
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storage_file_free(directory);
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furi_record_close(RECORD_STORAGE);
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return state;
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}
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static bool
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browser_folder_load(BrowserWorker* browser, string_t path, uint32_t offset, uint32_t count) {
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FileInfo file_info;
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Storage* storage = furi_record_open(RECORD_STORAGE);
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File* directory = storage_file_alloc(storage);
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char name_temp[FILE_NAME_LEN_MAX];
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string_t name_str;
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string_init(name_str);
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uint32_t items_cnt = 0;
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do {
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if(!storage_dir_open(directory, string_get_cstr(path))) {
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break;
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}
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items_cnt = 0;
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while(items_cnt < offset) {
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if(!storage_dir_read(directory, &file_info, name_temp, FILE_NAME_LEN_MAX)) {
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break;
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}
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if(storage_file_get_error(directory) == FSE_OK) {
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string_set_str(name_str, name_temp);
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if(browser_filter_by_name(browser, name_str, (file_info.flags & FSF_DIRECTORY))) {
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items_cnt++;
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}
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} else {
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break;
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}
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}
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if(items_cnt != offset) {
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break;
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}
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if(browser->list_load_cb) {
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browser->list_load_cb(browser->cb_ctx, offset);
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}
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items_cnt = 0;
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while(items_cnt < count) {
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if(!storage_dir_read(directory, &file_info, name_temp, FILE_NAME_LEN_MAX)) {
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break;
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}
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if(storage_file_get_error(directory) == FSE_OK) {
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string_set_str(name_str, name_temp);
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if(browser_filter_by_name(browser, name_str, (file_info.flags & FSF_DIRECTORY))) {
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string_printf(name_str, "%s/%s", string_get_cstr(path), name_temp);
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if(browser->list_item_cb) {
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browser->list_item_cb(
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browser->cb_ctx, name_str, (file_info.flags & FSF_DIRECTORY), false);
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}
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items_cnt++;
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}
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} else {
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break;
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}
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}
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if(browser->list_item_cb) {
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browser->list_item_cb(browser->cb_ctx, NULL, false, true);
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}
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} while(0);
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string_clear(name_str);
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storage_dir_close(directory);
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storage_file_free(directory);
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furi_record_close(RECORD_STORAGE);
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return (items_cnt == count);
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}
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static int32_t browser_worker(void* context) {
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BrowserWorker* browser = (BrowserWorker*)context;
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furi_assert(browser);
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FURI_LOG_D(TAG, "Start");
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uint32_t items_cnt = 0;
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string_t path;
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string_init_set_str(path, BROWSER_ROOT);
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browser->item_sel_idx = -1;
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string_t filename;
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string_init(filename);
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furi_thread_flags_set(furi_thread_get_id(browser->thread), WorkerEvtConfigChange);
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while(1) {
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uint32_t flags =
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furi_thread_flags_wait(WORKER_FLAGS_ALL, FuriFlagWaitAny, FuriWaitForever);
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furi_assert((flags & FuriFlagError) == 0);
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if(flags & WorkerEvtConfigChange) {
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// If start path is a path to the file - try finding index of this file in a folder
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if(browser_path_is_file(browser->path_next)) {
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path_extract_filename(browser->path_next, filename, false);
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}
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idx_last_array_reset(browser->idx_last);
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furi_thread_flags_set(furi_thread_get_id(browser->thread), WorkerEvtFolderEnter);
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}
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if(flags & WorkerEvtFolderEnter) {
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string_set(path, browser->path_next);
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bool is_root = browser_folder_check_and_switch(path);
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// Push previous selected item index to history array
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idx_last_array_push_back(browser->idx_last, browser->item_sel_idx);
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int32_t file_idx = 0;
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browser_folder_init(browser, path, filename, &items_cnt, &file_idx);
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FURI_LOG_D(
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TAG,
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"Enter folder: %s items: %u idx: %d",
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string_get_cstr(path),
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items_cnt,
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file_idx);
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if(browser->folder_cb) {
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browser->folder_cb(browser->cb_ctx, items_cnt, file_idx, is_root);
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}
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string_reset(filename);
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}
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if(flags & WorkerEvtFolderExit) {
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browser_path_trim(path);
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bool is_root = browser_folder_check_and_switch(path);
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int32_t file_idx = 0;
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browser_folder_init(browser, path, filename, &items_cnt, &file_idx);
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if(idx_last_array_size(browser->idx_last) > 0) {
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// Pop previous selected item index from history array
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idx_last_array_pop_back(&file_idx, browser->idx_last);
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}
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FURI_LOG_D(
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TAG, "Exit to: %s items: %u idx: %d", string_get_cstr(path), items_cnt, file_idx);
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if(browser->folder_cb) {
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browser->folder_cb(browser->cb_ctx, items_cnt, file_idx, is_root);
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}
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}
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if(flags & WorkerEvtFolderRefresh) {
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bool is_root = browser_folder_check_and_switch(path);
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int32_t file_idx = 0;
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string_reset(filename);
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browser_folder_init(browser, path, filename, &items_cnt, &file_idx);
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FURI_LOG_D(
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TAG,
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"Refresh folder: %s items: %u idx: %d",
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string_get_cstr(path),
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items_cnt,
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browser->item_sel_idx);
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if(browser->folder_cb) {
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browser->folder_cb(browser->cb_ctx, items_cnt, browser->item_sel_idx, is_root);
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}
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}
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if(flags & WorkerEvtLoad) {
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FURI_LOG_D(TAG, "Load offset: %u cnt: %u", browser->load_offset, browser->load_count);
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browser_folder_load(browser, path, browser->load_offset, browser->load_count);
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}
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if(flags & WorkerEvtStop) {
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break;
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}
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}
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string_clear(filename);
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string_clear(path);
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FURI_LOG_D(TAG, "End");
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return 0;
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}
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BrowserWorker* file_browser_worker_alloc(string_t path, const char* filter_ext, bool skip_assets) {
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BrowserWorker* browser = malloc(sizeof(BrowserWorker));
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idx_last_array_init(browser->idx_last);
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string_init_set_str(browser->filter_extension, filter_ext);
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browser->skip_assets = skip_assets;
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string_init_set(browser->path_next, path);
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browser->thread = furi_thread_alloc();
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furi_thread_set_name(browser->thread, "BrowserWorker");
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furi_thread_set_stack_size(browser->thread, 2048);
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furi_thread_set_context(browser->thread, browser);
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furi_thread_set_callback(browser->thread, browser_worker);
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furi_thread_start(browser->thread);
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return browser;
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}
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void file_browser_worker_free(BrowserWorker* browser) {
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furi_assert(browser);
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furi_thread_flags_set(furi_thread_get_id(browser->thread), WorkerEvtStop);
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furi_thread_join(browser->thread);
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furi_thread_free(browser->thread);
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string_clear(browser->filter_extension);
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string_clear(browser->path_next);
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idx_last_array_clear(browser->idx_last);
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free(browser);
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}
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void file_browser_worker_set_callback_context(BrowserWorker* browser, void* context) {
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furi_assert(browser);
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browser->cb_ctx = context;
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}
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void file_browser_worker_set_folder_callback(
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BrowserWorker* browser,
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BrowserWorkerFolderOpenCallback cb) {
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furi_assert(browser);
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browser->folder_cb = cb;
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}
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void file_browser_worker_set_list_callback(
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BrowserWorker* browser,
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BrowserWorkerListLoadCallback cb) {
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furi_assert(browser);
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browser->list_load_cb = cb;
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}
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void file_browser_worker_set_item_callback(
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BrowserWorker* browser,
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BrowserWorkerListItemCallback cb) {
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furi_assert(browser);
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browser->list_item_cb = cb;
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}
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void file_browser_worker_set_long_load_callback(
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BrowserWorker* browser,
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BrowserWorkerLongLoadCallback cb) {
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furi_assert(browser);
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browser->long_load_cb = cb;
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}
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void file_browser_worker_set_config(
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BrowserWorker* browser,
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string_t path,
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const char* filter_ext,
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bool skip_assets) {
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furi_assert(browser);
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string_set(browser->path_next, path);
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string_set_str(browser->filter_extension, filter_ext);
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browser->skip_assets = skip_assets;
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furi_thread_flags_set(furi_thread_get_id(browser->thread), WorkerEvtConfigChange);
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}
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void file_browser_worker_folder_enter(BrowserWorker* browser, string_t path, int32_t item_idx) {
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furi_assert(browser);
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string_set(browser->path_next, path);
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browser->item_sel_idx = item_idx;
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furi_thread_flags_set(furi_thread_get_id(browser->thread), WorkerEvtFolderEnter);
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}
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void file_browser_worker_folder_exit(BrowserWorker* browser) {
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furi_assert(browser);
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furi_thread_flags_set(furi_thread_get_id(browser->thread), WorkerEvtFolderExit);
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}
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void file_browser_worker_folder_refresh(BrowserWorker* browser, int32_t item_idx) {
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furi_assert(browser);
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browser->item_sel_idx = item_idx;
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furi_thread_flags_set(furi_thread_get_id(browser->thread), WorkerEvtFolderRefresh);
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}
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void file_browser_worker_load(BrowserWorker* browser, uint32_t offset, uint32_t count) {
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furi_assert(browser);
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browser->load_offset = offset;
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browser->load_count = count;
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furi_thread_flags_set(furi_thread_get_id(browser->thread), WorkerEvtLoad);
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}
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