Xteink-X4-crosspoint-reader/src/activities/home/MyLibraryActivity.cpp
2026-01-26 14:15:25 +07:00

290 lines
8.9 KiB
C++

#include "MyLibraryActivity.h"
#include <GfxRenderer.h>
#include <SDCardManager.h>
#include "MappedInputManager.h"
#include "RecentBooksStore.h"
#include "components/UITheme.h"
#include "fontIds.h"
#include "util/StringUtils.h"
namespace {
constexpr int SKIP_PAGE_MS = 700;
constexpr unsigned long GO_HOME_MS = 1000;
} // namespace
void sortFileList(std::vector<std::string>& strs) {
std::sort(begin(strs), end(strs), [](const std::string& str1, const std::string& str2) {
if (str1.back() == '/' && str2.back() != '/') return true;
if (str1.back() != '/' && str2.back() == '/') return false;
return lexicographical_compare(
begin(str1), end(str1), begin(str2), end(str2),
[](const char& char1, const char& char2) { return tolower(char1) < tolower(char2); });
});
}
void MyLibraryActivity::taskTrampoline(void* param) {
auto* self = static_cast<MyLibraryActivity*>(param);
self->displayTaskLoop();
}
void MyLibraryActivity::loadRecentBooks() {
constexpr size_t MAX_RECENT_BOOKS = 20;
bookTitles.clear();
bookPaths.clear();
const auto& books = RECENT_BOOKS.getBooks();
bookTitles.reserve(std::min(books.size(), MAX_RECENT_BOOKS));
bookPaths.reserve(std::min(books.size(), MAX_RECENT_BOOKS));
for (const auto& path : books) {
// Limit to maximum number of recent books
if (bookTitles.size() >= MAX_RECENT_BOOKS) {
break;
}
// Skip if file no longer exists
if (!SdMan.exists(path.c_str())) {
continue;
}
// Extract filename from path for display
std::string title = path;
const size_t lastSlash = title.find_last_of('/');
if (lastSlash != std::string::npos) {
title = title.substr(lastSlash + 1);
}
bookTitles.push_back(title);
bookPaths.push_back(path);
}
}
void MyLibraryActivity::loadFiles() {
files.clear();
auto root = SdMan.open(basepath.c_str());
if (!root || !root.isDirectory()) {
if (root) root.close();
return;
}
root.rewindDirectory();
char name[500];
for (auto file = root.openNextFile(); file; file = root.openNextFile()) {
file.getName(name, sizeof(name));
if (name[0] == '.' || strcmp(name, "System Volume Information") == 0) {
file.close();
continue;
}
if (file.isDirectory()) {
files.emplace_back(std::string(name) + "/");
} else {
auto filename = std::string(name);
if (StringUtils::checkFileExtension(filename, ".epub") || StringUtils::checkFileExtension(filename, ".xtch") ||
StringUtils::checkFileExtension(filename, ".xtc") || StringUtils::checkFileExtension(filename, ".txt")) {
files.emplace_back(filename);
}
}
file.close();
}
root.close();
sortFileList(files);
}
void MyLibraryActivity::onEnter() {
Activity::onEnter();
renderingMutex = xSemaphoreCreateMutex();
// Load data for both tabs
loadRecentBooks();
loadFiles();
selectorIndex = 0;
updateRequired = true;
xTaskCreate(&MyLibraryActivity::taskTrampoline, "MyLibraryActivityTask",
4096, // Stack size
this, // Parameters
1, // Priority
&displayTaskHandle // Task handle
);
}
void MyLibraryActivity::onExit() {
Activity::onExit();
// Wait until not rendering to delete task to avoid killing mid-instruction to EPD
xSemaphoreTake(renderingMutex, portMAX_DELAY);
if (displayTaskHandle) {
vTaskDelete(displayTaskHandle);
displayTaskHandle = nullptr;
}
vSemaphoreDelete(renderingMutex);
renderingMutex = nullptr;
bookTitles.clear();
bookPaths.clear();
files.clear();
}
void MyLibraryActivity::loop() {
// Long press BACK (1s+) goes to root folder
if (currentTab == Tab::Files && mappedInput.isPressed(MappedInputManager::Button::Back) &&
mappedInput.getHeldTime() >= GO_HOME_MS) {
if (basepath != "/") {
basepath = "/";
loadFiles();
selectorIndex = 0;
updateRequired = true;
}
return;
}
const bool upReleased = mappedInput.wasReleased(MappedInputManager::Button::Left);
const bool downReleased = mappedInput.wasReleased(MappedInputManager::Button::Right);
const bool leftReleased = mappedInput.wasReleased(MappedInputManager::Button::Up);
const bool rightReleased = mappedInput.wasReleased(MappedInputManager::Button::Down);
const bool skipPage = mappedInput.getHeldTime() > SKIP_PAGE_MS;
const int pageItems = UITheme::getNumberOfItemsPerPage(renderer, true, true, true);
if (mappedInput.wasReleased(MappedInputManager::Button::Confirm)) {
if (currentTab == Tab::Recent) {
if (!bookPaths.empty() && selectorIndex < static_cast<int>(bookPaths.size())) {
onSelectBook(bookPaths[selectorIndex], currentTab);
return;
}
} else {
if (files.empty()) {
return;
}
if (basepath.back() != '/') basepath += "/";
if (files[selectorIndex].back() == '/') {
basepath += files[selectorIndex].substr(0, files[selectorIndex].length() - 1);
loadFiles();
selectorIndex = 0;
updateRequired = true;
} else {
onSelectBook(basepath + files[selectorIndex], currentTab);
return;
}
}
}
if (mappedInput.wasReleased(MappedInputManager::Button::Back)) {
// Short press: go up one directory, or go home if at root
if (mappedInput.getHeldTime() < GO_HOME_MS) {
if (currentTab == Tab::Files && basepath != "/") {
const std::string oldPath = basepath;
basepath.replace(basepath.find_last_of('/'), std::string::npos, "");
if (basepath.empty()) basepath = "/";
loadFiles();
const auto pos = oldPath.find_last_of('/');
const std::string dirName = oldPath.substr(pos + 1) + "/";
selectorIndex = findEntry(dirName);
updateRequired = true;
} else {
onGoHome();
}
}
}
// Tab switching: Left/Right always control tabs
if (leftReleased || rightReleased) {
if (currentTab == Tab::Files) {
currentTab = Tab::Recent;
} else {
currentTab = Tab::Files;
}
selectorIndex = 0;
updateRequired = true;
return;
}
int listSize = (currentTab == Tab::Recent) ? static_cast<int>(bookTitles.size()) : static_cast<int>(files.size());
if (upReleased) {
if (skipPage) {
selectorIndex = ((selectorIndex / pageItems - 1) * pageItems + listSize) % listSize;
} else {
selectorIndex = (selectorIndex + listSize - 1) % listSize;
}
updateRequired = true;
} else if (downReleased) {
if (skipPage) {
selectorIndex = ((selectorIndex / pageItems + 1) * pageItems) % listSize;
} else {
selectorIndex = (selectorIndex + 1) % listSize;
}
updateRequired = true;
}
}
void MyLibraryActivity::displayTaskLoop() {
while (true) {
if (updateRequired) {
updateRequired = false;
xSemaphoreTake(renderingMutex, portMAX_DELAY);
render();
xSemaphoreGive(renderingMutex);
}
vTaskDelay(10 / portTICK_PERIOD_MS);
}
}
void MyLibraryActivity::render() const {
renderer.clearScreen();
const auto pageWidth = renderer.getScreenWidth();
const auto pageHeight = renderer.getScreenHeight();
auto metrics = UITheme::getMetrics();
auto folderName = basepath == "/" ? "SD card" : basepath.substr(basepath.rfind('/') + 1).c_str();
UITheme::drawHeader(renderer, Rect{0, metrics.topPadding, pageWidth, metrics.headerHeight}, folderName);
UITheme::drawTabBar(renderer, Rect{0, metrics.topPadding + metrics.headerHeight, pageWidth, metrics.tabBarHeight},
{{"Recent", currentTab == Tab::Recent}, {"Files", currentTab == Tab::Files}});
const int contentTop = metrics.topPadding + metrics.headerHeight + metrics.tabBarHeight + metrics.verticalSpacing;
const int contentHeight = pageHeight - contentTop - metrics.buttonHintsHeight - metrics.verticalSpacing * 2;
if (currentTab == Tab::Recent) {
// Recent tab
if (bookTitles.empty()) {
renderer.drawText(UI_10_FONT_ID, metrics.contentSidePadding, contentTop + 20, "No recent books");
} else {
UITheme::drawList(
renderer, Rect{0, contentTop, pageWidth, contentHeight}, bookTitles.size(), selectorIndex,
[this](int index) { return bookTitles[index]; }, false, nullptr, false, nullptr);
}
} else {
if (files.empty()) {
renderer.drawText(UI_10_FONT_ID, metrics.contentSidePadding, contentTop + 20, "No books found");
} else {
UITheme::drawList(
renderer, Rect{0, contentTop, pageWidth, contentHeight}, files.size(), selectorIndex,
[this](int index) { return files[index]; }, false, nullptr, false, nullptr);
}
}
// Help text
const auto labels = mappedInput.mapLabels("« Home", "Open", "Up", "Down");
UITheme::drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
UITheme::drawSideButtonHints(renderer, "^", "v");
renderer.displayBuffer();
}
size_t MyLibraryActivity::findEntry(const std::string& name) const {
for (size_t i = 0; i < files.size(); i++)
if (files[i] == name) return i;
return 0;
}