Files
Crosspoint/src/activities/home/FileBrowserActivity.cpp
T
2026-03-10 19:11:30 +01:00

309 lines
10 KiB
C++

#include "FileBrowserActivity.h"
#include <Epub.h>
#include <FsHelpers.h>
#include <GfxRenderer.h>
#include <HalStorage.h>
#include <I18n.h>
#include <algorithm>
#include "../util/ConfirmationActivity.h"
#include "BookInfoActivity.h"
#include "CrossPointSettings.h"
#include "MappedInputManager.h"
#include "components/UITheme.h"
#include "fontIds.h"
namespace {
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) {
// Directories first
bool isDir1 = str1.back() == '/';
bool isDir2 = str2.back() == '/';
if (isDir1 != isDir2) return isDir1;
// Start naive natural sort
const char* s1 = str1.c_str();
const char* s2 = str2.c_str();
// Iterate while both strings have characters
while (*s1 && *s2) {
// Check if both are at the start of a number
if (isdigit(*s1) && isdigit(*s2)) {
// Skip leading zeros and track them
const char* start1 = s1;
const char* start2 = s2;
while (*s1 == '0') s1++;
while (*s2 == '0') s2++;
// Count digits to compare lengths first
int len1 = 0, len2 = 0;
while (isdigit(s1[len1])) len1++;
while (isdigit(s2[len2])) len2++;
// Different length so return smaller integer value
if (len1 != len2) return len1 < len2;
// Same length so compare digit by digit
for (int i = 0; i < len1; i++) {
if (s1[i] != s2[i]) return s1[i] < s2[i];
}
// Numbers equal so advance pointers
s1 += len1;
s2 += len2;
} else {
// Regular case-insensitive character comparison
char c1 = tolower(*s1);
char c2 = tolower(*s2);
if (c1 != c2) return c1 < c2;
s1++;
s2++;
}
}
// One string is prefix of other
return *s1 == '\0' && *s2 != '\0';
});
}
void FileBrowserActivity::loadFiles() {
files.clear();
auto root = Storage.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 ((!SETTINGS.showHiddenFiles && name[0] == '.') || strcmp(name, "System Volume Information") == 0) {
file.close();
continue;
}
if (file.isDirectory()) {
files.emplace_back(std::string(name) + "/");
} else {
std::string_view filename{name};
if (FsHelpers::hasEpubExtension(filename) || FsHelpers::hasXtcExtension(filename) ||
FsHelpers::hasTxtExtension(filename) || FsHelpers::hasMarkdownExtension(filename) ||
FsHelpers::hasBmpExtension(filename)) {
files.emplace_back(filename);
}
}
file.close();
}
root.close();
sortFileList(files);
}
void FileBrowserActivity::onEnter() {
Activity::onEnter();
loadFiles();
selectorIndex = 0;
requestUpdate();
}
void FileBrowserActivity::onExit() {
Activity::onExit();
files.clear();
}
void FileBrowserActivity::clearFileMetadata(const std::string& fullPath) {
// Only clear cache for .epub files
if (FsHelpers::hasEpubExtension(fullPath)) {
Epub(fullPath, "/.crosspoint").clearCache();
LOG_DBG("FileBrowser", "Cleared metadata cache for: %s", fullPath.c_str());
}
}
void FileBrowserActivity::loop() {
const int pageItems = UITheme::getInstance().getNumberOfItemsPerPage(renderer, true, false, true, false);
// Long press BACK always navigates to home
if (mappedInput.isPressed(MappedInputManager::Button::Back) && mappedInput.getHeldTime() >= GO_HOME_MS) {
onGoHome();
return;
}
// Short press BACK goes up one directory (if not root) or home (at root)
if (mappedInput.wasReleased(MappedInputManager::Button::Back) && mappedInput.getHeldTime() < GO_HOME_MS) {
if (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);
requestUpdate();
} else {
onGoHome();
}
return;
}
// Confirm short press opens selected entry; long press does nothing
if (mappedInput.wasReleased(MappedInputManager::Button::Confirm) && mappedInput.getHeldTime() < GO_HOME_MS) {
if (files.empty()) return;
const std::string& entry = files[selectorIndex];
const bool isDirectory = (entry.back() == '/');
if (isDirectory) {
if (basepath.back() != '/') basepath += "/";
basepath += entry.substr(0, entry.length() - 1);
loadFiles();
selectorIndex = 0;
requestUpdate();
} else {
std::string fullPath = basepath;
if (fullPath.back() != '/') fullPath += "/";
onSelectBook(fullPath + entry);
}
return;
}
// Left short press does nothing; long press deletes selected file after confirmation
if (mappedInput.wasReleased(MappedInputManager::Button::Left)) {
if (mappedInput.getHeldTime() < GO_HOME_MS || files.empty()) {
return;
}
const std::string& entry = files[selectorIndex];
const bool isDirectory = (entry.back() == '/');
if (isDirectory) {
return;
}
std::string cleanBase = basepath;
if (cleanBase.back() != '/') cleanBase += "/";
const std::string fullPath = cleanBase + entry;
auto handler = [this, fullPath](const ActivityResult& res) {
if (!res.isCancelled) {
LOG_DBG("FileBrowser", "Attempting to delete: %s", fullPath.c_str());
clearFileMetadata(fullPath);
if (Storage.remove(fullPath.c_str())) {
LOG_DBG("FileBrowser", "Deleted successfully");
loadFiles();
if (files.empty()) {
selectorIndex = 0;
} else if (selectorIndex >= files.size()) {
selectorIndex = files.size() - 1;
}
requestUpdate(true);
} else {
LOG_ERR("FileBrowser", "Failed to delete file: %s", fullPath.c_str());
}
} else {
LOG_DBG("FileBrowser", "Delete cancelled by user");
}
};
startActivityForResult(
std::make_unique<ConfirmationActivity>(renderer, mappedInput, tr(STR_DELETE) + std::string("? "), entry),
handler);
return;
}
// Right opens the info page for epub files
if (mappedInput.wasReleased(MappedInputManager::Button::Right)) {
if (files.empty()) return;
const std::string& entry = files[selectorIndex];
if (entry.back() != '/' && (FsHelpers::hasEpubExtension(entry) || FsHelpers::hasXtcExtension(entry))) {
std::string cleanBase = basepath;
if (cleanBase.back() != '/') cleanBase += "/";
startActivityForResult(std::make_unique<BookInfoActivity>(renderer, mappedInput, cleanBase + entry),
[this](const ActivityResult&) { requestUpdate(); });
}
return;
}
// Up/Down side buttons navigate the list
const int listSize = static_cast<int>(files.size());
buttonNavigator.onRelease({MappedInputManager::Button::Down}, [this, listSize] {
selectorIndex = ButtonNavigator::nextIndex(static_cast<int>(selectorIndex), listSize);
requestUpdate();
});
buttonNavigator.onRelease({MappedInputManager::Button::Up}, [this, listSize] {
selectorIndex = ButtonNavigator::previousIndex(static_cast<int>(selectorIndex), listSize);
requestUpdate();
});
buttonNavigator.onContinuous({MappedInputManager::Button::Down}, [this, listSize, pageItems] {
selectorIndex = ButtonNavigator::nextPageIndex(static_cast<int>(selectorIndex), listSize, pageItems);
requestUpdate();
});
buttonNavigator.onContinuous({MappedInputManager::Button::Up}, [this, listSize, pageItems] {
selectorIndex = ButtonNavigator::previousPageIndex(static_cast<int>(selectorIndex), listSize, pageItems);
requestUpdate();
});
}
std::string getFileName(std::string filename) {
if (filename.back() == '/') {
filename = filename.substr(0, filename.length() - 1);
if (!UITheme::getInstance().getTheme().showsFileIcons()) {
return "[" + filename + "]";
}
return filename;
}
const auto pos = filename.rfind('.');
return filename.substr(0, pos);
}
void FileBrowserActivity::render(RenderLock&&) {
renderer.clearScreen();
const auto& metrics = UITheme::getInstance().getMetrics();
const Rect contentRect = UITheme::getContentRect(renderer, true, true);
std::string folderName = (basepath == "/") ? tr(STR_SD_CARD) : basepath.substr(basepath.rfind('/') + 1);
GUI.drawHeader(renderer, Rect{contentRect.x, metrics.topPadding, contentRect.width, metrics.headerHeight},
folderName.c_str());
const int contentTop = metrics.topPadding + metrics.headerHeight + metrics.verticalSpacing;
const int contentHeight = contentRect.height - contentTop - metrics.verticalSpacing;
if (files.empty()) {
renderer.drawText(UI_10_FONT_ID, contentRect.x + metrics.contentSidePadding, contentTop + 20,
tr(STR_NO_FILES_FOUND));
} else {
GUI.drawList(
renderer, Rect{contentRect.x, contentTop, contentRect.width, contentHeight}, files.size(), selectorIndex,
[this](int index) { return getFileName(files[index]); }, nullptr,
[this](int index) { return UITheme::getFileIcon(files[index]); });
}
// Side buttons (Up/Down) navigate; show their hints on the side
GUI.drawSideButtonHints(renderer, tr(STR_DIR_UP), tr(STR_DIR_DOWN));
// Front buttons: Back=Back(subdir)/Home(root), Confirm=Open, Left=hidden long-press delete, Right=Info
const bool hasInfo =
!files.empty() && files[selectorIndex].back() != '/' &&
(FsHelpers::hasEpubExtension(files[selectorIndex]) || FsHelpers::hasXtcExtension(files[selectorIndex]));
const auto labels = mappedInput.mapLabels(basepath == "/" ? tr(STR_HOME) : tr(STR_BACK),
files.empty() ? "" : tr(STR_OPEN), "", hasInfo ? tr(STR_INFO) : "");
GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
renderer.displayBuffer();
}
size_t FileBrowserActivity::findEntry(const std::string& name) const {
for (size_t i = 0; i < files.size(); i++)
if (files[i] == name) return i;
return 0;
}