423 lines
15 KiB
C++
423 lines
15 KiB
C++
#include "OpdsBookBrowserActivity.h"
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#include <Arduino.h>
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#include <GfxRenderer.h>
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#include <HalStorage.h>
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#include <I18n.h>
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#include <Logging.h>
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#include <OpdsStream.h>
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#include <WiFi.h>
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#include "CrossPointSettings.h"
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#include "MappedInputManager.h"
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#include "SilentRestart.h"
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#include "activities/network/WifiSelectionActivity.h"
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#include "activities/util/KeyboardEntryActivity.h"
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#include "components/UITheme.h"
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#include "fontIds.h"
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#include "network/HttpDownloader.h"
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#include "util/BookCacheUtils.h"
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#include "util/OpdsFilename.h"
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#include "util/StringUtils.h"
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#include "util/UrlUtils.h"
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namespace {
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constexpr int PAGE_ITEMS = 23;
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constexpr int DOWNLOAD_PROGRESS_STEP_PERCENT = 5;
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constexpr unsigned long DOWNLOAD_PROGRESS_MIN_UPDATE_MS = 5000;
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} // namespace
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void OpdsBookBrowserActivity::onEnter() {
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Activity::onEnter();
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state = BrowserState::CHECK_WIFI;
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entries.clear();
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navigationHistory.clear();
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searchTemplate = "";
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currentPath = "";
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selectorIndex = 0;
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consumeConfirm = false;
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consumeBack = false;
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errorMessage.clear();
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statusMessage = tr(STR_CHECKING_WIFI);
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requestUpdate();
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checkAndConnectWifi();
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}
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void OpdsBookBrowserActivity::onExit() {
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Activity::onExit();
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entries.clear();
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navigationHistory.clear();
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if (WiFi.getMode() != WIFI_MODE_NULL) {
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WiFi.disconnect(false);
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delay(30);
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silentRestart();
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}
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}
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void OpdsBookBrowserActivity::loop() {
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if (state == BrowserState::WIFI_SELECTION || state == BrowserState::SEARCH_INPUT) {
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return;
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}
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if (consumeConfirm && mappedInput.wasReleased(MappedInputManager::Button::Confirm)) {
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consumeConfirm = false;
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return;
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}
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if (consumeBack && mappedInput.wasReleased(MappedInputManager::Button::Back)) {
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consumeBack = false;
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return;
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}
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if (state == BrowserState::ERROR) {
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if (mappedInput.wasReleased(MappedInputManager::Button::Confirm)) {
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if (WiFi.status() == WL_CONNECTED && WiFi.localIP() != IPAddress(0, 0, 0, 0)) {
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state = BrowserState::LOADING;
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statusMessage = tr(STR_LOADING);
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requestUpdate();
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fetchFeed(currentPath);
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} else {
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launchWifiSelection();
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}
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} else if (mappedInput.wasReleased(MappedInputManager::Button::Back)) {
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navigateBack();
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}
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return;
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}
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if (state == BrowserState::CHECK_WIFI || state == BrowserState::LOADING) {
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if (mappedInput.wasReleased(MappedInputManager::Button::Back)) {
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state == BrowserState::CHECK_WIFI ? onGoHome() : navigateBack();
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}
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return;
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}
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if (state == BrowserState::DOWNLOADING) return;
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if (state == BrowserState::BROWSING) {
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if (mappedInput.wasReleased(MappedInputManager::Button::Confirm)) {
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if (!entries.empty()) {
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const auto& entry = entries[selectorIndex];
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entry.type == OpdsEntryType::BOOK ? downloadBook(entry) : navigateToEntry(entry);
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}
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} else if (mappedInput.wasReleased(MappedInputManager::Button::Back)) {
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navigateBack();
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} else if (mappedInput.wasReleased(MappedInputManager::Button::Left)) {
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if (!searchTemplate.empty() && selectorIndex == 0) launchSearch();
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}
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if (!entries.empty()) {
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buttonNavigator.onNextRelease([this] {
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selectorIndex = ButtonNavigator::nextIndex(selectorIndex, entries.size());
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requestUpdate();
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});
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buttonNavigator.onPreviousRelease([this] {
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selectorIndex = ButtonNavigator::previousIndex(selectorIndex, entries.size());
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requestUpdate();
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});
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buttonNavigator.onNextContinuous([this] {
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selectorIndex = ButtonNavigator::nextPageIndex(selectorIndex, entries.size(), PAGE_ITEMS);
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requestUpdate();
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});
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buttonNavigator.onPreviousContinuous([this] {
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selectorIndex = ButtonNavigator::previousPageIndex(selectorIndex, entries.size(), PAGE_ITEMS);
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requestUpdate();
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});
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}
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}
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}
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void OpdsBookBrowserActivity::render(RenderLock&&) {
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renderer.clearScreen();
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const auto pageWidth = renderer.getScreenWidth();
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const auto pageHeight = renderer.getScreenHeight();
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// Show server name in header if available, otherwise generic title
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const char* headerTitle = server.name.empty() ? tr(STR_OPDS_BROWSER) : server.name.c_str();
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renderer.drawCenteredText(UI_12_FONT_ID, 15, headerTitle, true, EpdFontFamily::BOLD);
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if (state == BrowserState::CHECK_WIFI || state == BrowserState::LOADING) {
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renderer.drawCenteredText(UI_10_FONT_ID, pageHeight / 2, statusMessage.c_str());
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const auto labels = mappedInput.mapLabels(tr(STR_BACK), "", "", "");
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GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
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renderer.displayBuffer();
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return;
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}
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if (state == BrowserState::ERROR) {
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renderer.drawCenteredText(UI_10_FONT_ID, pageHeight / 2 - 20, tr(STR_ERROR_MSG));
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renderer.drawCenteredText(UI_10_FONT_ID, pageHeight / 2 + 10, errorMessage.c_str());
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const auto labels = mappedInput.mapLabels(tr(STR_BACK), tr(STR_RETRY), "", "");
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GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
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renderer.displayBuffer();
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return;
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}
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if (state == BrowserState::DOWNLOADING) {
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renderer.drawCenteredText(UI_10_FONT_ID, pageHeight / 2 - 40, tr(STR_DOWNLOADING));
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auto title = renderer.truncatedText(UI_10_FONT_ID, statusMessage.c_str(), pageWidth - 40);
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renderer.drawCenteredText(UI_10_FONT_ID, pageHeight / 2 - 10, title.c_str());
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if (downloadTotal > 0) {
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GUI.drawProgressBar(renderer, Rect{50, pageHeight / 2 + 20, pageWidth - 100, 20}, downloadProgress,
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downloadTotal);
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}
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renderer.displayBuffer();
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return;
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}
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const char* confirmLabel =
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(!entries.empty() && entries[selectorIndex].type == OpdsEntryType::BOOK) ? tr(STR_DOWNLOAD) : tr(STR_OPEN);
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const char* searchLabel = (!searchTemplate.empty() && selectorIndex == 0) ? tr(STR_SEARCH) : tr(STR_DIR_UP);
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const auto labels = mappedInput.mapLabels(tr(STR_BACK), confirmLabel, searchLabel, tr(STR_DIR_DOWN));
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GUI.drawButtonHints(renderer, labels.btn1, labels.btn2, labels.btn3, labels.btn4);
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if (entries.empty()) {
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renderer.drawCenteredText(UI_10_FONT_ID, pageHeight / 2, tr(STR_NO_ENTRIES));
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} else {
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const auto pageStartIndex = selectorIndex / PAGE_ITEMS * PAGE_ITEMS;
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renderer.fillRect(0, 60 + (selectorIndex % PAGE_ITEMS) * 30 - 2, pageWidth - 1, 30);
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for (size_t i = pageStartIndex; i < entries.size() && i < static_cast<size_t>(pageStartIndex + PAGE_ITEMS); i++) {
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const auto& entry = entries[i];
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std::string displayText = (entry.type == OpdsEntryType::NAVIGATION) ? "> " + entry.title : entry.title;
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if (entry.type == OpdsEntryType::BOOK && !entry.author.empty()) displayText += " - " + entry.author;
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auto item = renderer.truncatedText(UI_10_FONT_ID, displayText.c_str(), pageWidth - 40);
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renderer.drawText(UI_10_FONT_ID, 20, 60 + (i % PAGE_ITEMS) * 30, item.c_str(),
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i != static_cast<size_t>(selectorIndex));
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}
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}
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renderer.displayBuffer();
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}
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void OpdsBookBrowserActivity::fetchFeed(const std::string& path) {
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if (server.url.empty()) {
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state = BrowserState::ERROR;
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errorMessage = tr(STR_NO_SERVER_URL);
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requestUpdate();
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return;
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}
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std::string url = UrlUtils::buildUrl(server.url, path);
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LOG_DBG("OPDS", "Fetching: %s", url.c_str());
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OpdsParser parser;
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{
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OpdsParserStream stream{parser};
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if (!HttpDownloader::fetchUrl(url, stream, server.username, server.password)) {
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state = BrowserState::ERROR;
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errorMessage = tr(STR_FETCH_FEED_FAILED);
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requestUpdate();
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return;
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}
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}
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if (!parser) {
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state = BrowserState::ERROR;
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errorMessage = tr(STR_PARSE_FEED_FAILED);
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requestUpdate();
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return;
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}
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searchTemplate = parser.getSearchTemplate();
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const auto& nextUrl = parser.getNextPageUrl();
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const auto& prevUrl = parser.getPrevPageUrl();
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const bool feedTruncated = parser.truncated();
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entries = std::move(parser).getEntries();
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entries.reserve(entries.size() + (prevUrl.empty() ? 0 : 1) + (nextUrl.empty() ? 0 : 1));
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if (!prevUrl.empty()) {
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entries.insert(entries.begin(), OpdsEntry{OpdsEntryType::NAVIGATION, tr(STR_PREV_PAGE), "", prevUrl, ""});
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}
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if (!nextUrl.empty()) {
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entries.push_back(OpdsEntry{OpdsEntryType::NAVIGATION, tr(STR_NEXT_PAGE), "", nextUrl, ""});
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}
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if (feedTruncated) {
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LOG_INF("OPDS", "Feed truncated to fit memory");
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}
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selectorIndex = 0;
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state = entries.empty() ? BrowserState::ERROR : BrowserState::BROWSING;
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if (entries.empty()) errorMessage = tr(STR_NO_ENTRIES);
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requestUpdate();
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}
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void OpdsBookBrowserActivity::releaseEntries() { std::vector<OpdsEntry>().swap(entries); }
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void OpdsBookBrowserActivity::navigateToEntry(const OpdsEntry& entry) {
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navigationHistory.push_back(currentPath);
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// Resolve to a full URL so sub-sub-navigation retains parent path context
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const std::string feedUrl = UrlUtils::buildUrl(server.url, currentPath);
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currentPath = UrlUtils::buildUrl(feedUrl, entry.href);
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state = BrowserState::LOADING;
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statusMessage = tr(STR_LOADING);
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releaseEntries();
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selectorIndex = 0;
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requestUpdate(true);
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fetchFeed(currentPath);
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}
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void OpdsBookBrowserActivity::navigateBack() {
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if (navigationHistory.empty()) {
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onGoHome();
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} else {
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currentPath = navigationHistory.back();
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navigationHistory.pop_back();
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state = BrowserState::LOADING;
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statusMessage = tr(STR_LOADING);
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releaseEntries();
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selectorIndex = 0;
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requestUpdate();
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fetchFeed(currentPath);
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}
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}
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void OpdsBookBrowserActivity::downloadBook(const OpdsEntry& book) {
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state = BrowserState::DOWNLOADING;
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statusMessage = book.title;
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downloadProgress = downloadTotal = 0;
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requestUpdate(true);
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// Build full download URL relative to the current feed, not the root server URL
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const std::string feedUrl = UrlUtils::buildUrl(server.url, currentPath);
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std::string downloadUrl = UrlUtils::buildUrl(feedUrl, book.href);
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// opdsDownloadFolder is already a null-terminated char[64]; use it directly —
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// no std::string copy. exists()/mkdir() take const char*.
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const char* folder = SETTINGS.opdsDownloadFolder; // "" => SD root
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bool haveFolder = folder[0] != '\0';
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if (haveFolder && !Storage.exists(folder) && !Storage.mkdir(folder)) {
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// exists()-guard first: mkdir's return-on-existing is unconfirmed, and every
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// existing caller checks exists() before mkdir. On real failure, fall back
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// to SD root so the download is never lost.
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LOG_ERR("OPDS", "mkdir failed for %s, using SD root", folder);
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haveFolder = false;
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}
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// downloadToFile() needs a std::string, and titles are unbounded (a fixed
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// char[] would truncate). Cold path (a multi-second download follows), so one
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// reserve'd, in-place-appended owning string is the right call.
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std::string filename;
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filename.reserve(96);
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if (haveFolder) filename += folder;
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filename += '/';
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filename += opdsBookFilename(book.author, book.title, static_cast<OpdsFilenameFormat>(SETTINGS.opdsFilenameFormat));
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LOG_DBG("OPDS", "Downloading: %s -> %s", downloadUrl.c_str(), filename.c_str());
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int lastRenderedPercent = -1;
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unsigned long lastProgressUpdateMs = 0;
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const auto result = HttpDownloader::downloadToFile(
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downloadUrl, filename,
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[this, &lastRenderedPercent, &lastProgressUpdateMs](const size_t downloaded, const size_t total) {
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downloadProgress = downloaded;
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downloadTotal = total;
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const int percent = total > 0 ? static_cast<int>(static_cast<uint64_t>(downloaded) * 100 / total) : 0;
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const unsigned long now = millis();
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if (percent >= 100 || lastRenderedPercent < 0 ||
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percent >= lastRenderedPercent + DOWNLOAD_PROGRESS_STEP_PERCENT ||
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now - lastProgressUpdateMs >= DOWNLOAD_PROGRESS_MIN_UPDATE_MS) {
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lastRenderedPercent = percent;
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lastProgressUpdateMs = now;
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requestUpdate(true);
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}
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},
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nullptr, server.username, server.password);
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if (result == HttpDownloader::OK) {
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clearBookCache(filename);
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state = BrowserState::BROWSING;
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} else {
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LOG_ERR("OPDS", "Download failed: %d", static_cast<int>(result));
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state = BrowserState::ERROR;
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errorMessage = tr(STR_DOWNLOAD_FAILED);
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}
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requestUpdate();
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}
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void OpdsBookBrowserActivity::launchSearch() {
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consumeConfirm = true;
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state = BrowserState::SEARCH_INPUT;
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requestUpdate();
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auto keyboard = std::make_unique<KeyboardEntryActivity>(renderer, mappedInput, tr(STR_SEARCH));
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startActivityForResult(std::move(keyboard), [this](const ActivityResult& result) {
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state = BrowserState::BROWSING;
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if (!result.isCancelled) {
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performSearch(std::get<KeyboardResult>(result.data).text);
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} else {
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requestUpdate();
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}
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});
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}
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void OpdsBookBrowserActivity::performSearch(const std::string& query) {
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if (query.empty() || searchTemplate.empty()) {
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state = BrowserState::BROWSING;
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requestUpdate();
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return;
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}
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auto urlEncode = [](const std::string& s) {
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std::string out;
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out.reserve(s.size() * 3);
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for (unsigned char c : s) {
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if (isalnum(c) || c == '-' || c == '_' || c == '.' || c == '~')
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out += static_cast<char>(c);
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else {
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char buf[4];
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snprintf(buf, sizeof(buf), "%%%02X", c);
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out += buf;
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}
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}
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return out;
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};
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std::string url = searchTemplate;
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const std::string placeholder = "{searchTerms}";
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const size_t pos = url.find(placeholder);
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if (pos != std::string::npos) url.replace(pos, placeholder.length(), urlEncode(query));
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navigationHistory.push_back(currentPath); // <-- add this
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currentPath = url; // <-- add this
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state = BrowserState::LOADING;
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statusMessage = tr(STR_LOADING);
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releaseEntries();
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selectorIndex = 0;
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requestUpdate(true);
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fetchFeed(url);
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}
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void OpdsBookBrowserActivity::checkAndConnectWifi() {
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if (WiFi.status() == WL_CONNECTED && WiFi.localIP() != IPAddress(0, 0, 0, 0)) {
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state = BrowserState::LOADING;
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statusMessage = tr(STR_LOADING);
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requestUpdate();
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fetchFeed(currentPath);
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return;
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}
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launchWifiSelection();
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}
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void OpdsBookBrowserActivity::launchWifiSelection() {
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state = BrowserState::WIFI_SELECTION;
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requestUpdate();
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startActivityForResult(std::make_unique<WifiSelectionActivity>(renderer, mappedInput),
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[this](const ActivityResult& result) { onWifiSelectionComplete(!result.isCancelled); });
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}
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void OpdsBookBrowserActivity::onWifiSelectionComplete(const bool connected) {
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if (connected) {
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state = BrowserState::LOADING;
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statusMessage = tr(STR_LOADING);
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requestUpdate(true);
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fetchFeed(currentPath);
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} else {
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// Leave WiFi up; onExit's silent reboot handles teardown without fragmenting.
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state = BrowserState::ERROR;
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errorMessage = tr(STR_WIFI_CONN_FAILED);
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requestUpdate();
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}
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}
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