57 lines
1.5 KiB
C
57 lines
1.5 KiB
C
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#pragma once
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#include <OpdsParser.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/semphr.h>
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#include <freertos/task.h>
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#include <functional>
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#include <string>
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#include <vector>
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#include "../Activity.h"
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/**
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* Activity for browsing and downloading books from an OPDS server.
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* Displays a list of available books and allows downloading EPUBs.
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*/
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class OpdsBookBrowserActivity final : public Activity {
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public:
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enum class BrowserState {
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LOADING, // Fetching OPDS feed
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BOOK_LIST, // Displaying books
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DOWNLOADING, // Downloading selected EPUB
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ERROR // Error state with message
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};
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explicit OpdsBookBrowserActivity(GfxRenderer& renderer, MappedInputManager& mappedInput,
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const std::function<void()>& onGoHome)
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: Activity("OpdsBookBrowser", renderer, mappedInput), onGoHome(onGoHome) {}
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void onEnter() override;
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void onExit() override;
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void loop() override;
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private:
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TaskHandle_t displayTaskHandle = nullptr;
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SemaphoreHandle_t renderingMutex = nullptr;
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bool updateRequired = false;
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BrowserState state = BrowserState::LOADING;
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std::vector<OpdsBook> books;
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int selectorIndex = 0;
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std::string errorMessage;
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std::string statusMessage;
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size_t downloadProgress = 0;
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size_t downloadTotal = 0;
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const std::function<void()> onGoHome;
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static void taskTrampoline(void* param);
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[[noreturn]] void displayTaskLoop();
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void render() const;
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void fetchBooks();
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void downloadBook(const OpdsBook& book);
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std::string sanitizeFilename(const std::string& title) const;
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};
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