mirror of
https://github.com/Dejvino/lilybook.git
synced 2024-11-14 12:23:28 +00:00
107 lines
3.1 KiB
C++
107 lines
3.1 KiB
C++
#include "core/common.h"
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#include "string.h"
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#include "core/buttons.h"
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#include "core/display.h"
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#include "reader/Typesetter.h"
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#include "reader/TextStorage.h"
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#include "reader/PagePrinter.h"
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#include "ReaderMode.h"
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#include "esp_log.h"
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static const char *TAG = "ReaderMode";
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// TODO: class members
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Typesetter typesetter;
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PagePrinter pagePrinter;
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TextStorage textStorage;
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TextReader* textReader = textStorage.open("/sdcard/book.txt");
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Page* pageLast = NULL;
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Page* pageCurrent = NULL;
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long bookmark = 0;
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//bool displaySleeping = false;
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void ReaderMode::start()
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{
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}
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void ReaderMode::loop()
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{
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char text[1024];
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if (textReader != NULL) {
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if (pageCurrent == NULL) {
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size_t read = textReader->read(bookmark, text, sizeof(text));
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pageCurrent = typesetter.preparePage(text, read);
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pageCurrent->start = bookmark;
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}
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if (pageLast == NULL) {
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// align with the start?
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if (bookmark < sizeof(text)) {
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size_t read = textReader->read(0, text, sizeof(text));
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pageLast = typesetter.preparePage(text, read);
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pageLast->start = 0;
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} else {
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size_t read = textReader->read((bookmark - sizeof(text)), text, sizeof(text));
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pageLast = typesetter.preparePreviousPage(text, read);
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pageLast->start = bookmark - pageLast->len;
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}
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}
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} else {
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typesetter.destroyPage(pageCurrent);
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strcpy(text, "File could not be opened.");
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pageCurrent = typesetter.preparePage(text, sizeof(text));
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}
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display_clear();
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pagePrinter.print(pageCurrent);
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display_update();
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//time_t idleStart = clock();
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while (1) {
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delay(10);
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if (buttons_pressed_ok()) {
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ESP_LOGI(TAG, "Clear page.");
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display_refresh();
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break;
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}
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if (buttons_pressed_plus()) {
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ESP_LOGI(TAG, "Turn page PLUS.");
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if (pageCurrent != NULL) {
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bookmark = pageCurrent->start + pageCurrent->len;
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// TODO: limit bookmark to file size
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typesetter.destroyPage(pageLast);
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pageLast = pageCurrent;
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pageCurrent = NULL;
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} else {
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ESP_LOGW(TAG, "No current page.");
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}
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break;
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}
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if (buttons_pressed_minus()) {
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ESP_LOGI(TAG, "Turn page MINUS.");
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if (pageLast != NULL) {
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bookmark = pageLast->start;
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typesetter.destroyPage(pageCurrent);
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pageCurrent = pageLast;
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pageLast = NULL;
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} else {
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ESP_LOGW(TAG, "No last page.");
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}
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break;
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}
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/*if (!displaySleeping && (clock() - idleStart > DISPLAY_SLEEP_TIMEOUT)) {
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displaySleeping = true;
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ESP_LOGI(TAG, "Display going to sleep after %d ms.", DISPLAY_SLEEP_TIMEOUT);
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display_sleep();
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}*/
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}
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/*if (displaySleeping) {
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displaySleeping = false;
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ESP_LOGI(TAG, "Display waking up.");
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display_wake();
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}*/
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}
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void ReaderMode::finish()
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{}
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