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crosspoint-reader/src/RecentBooksStore.h

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My Library: Tab bar w/ Recent Books + File Browser (#250) # Summary This PR introduces a reusable Tab Bar component and combines the Recent Books and File Browser into a unified tabbed page called "My Library" accessible from the Home screen. ## Features ### New Tab Bar Component A flexible, reusable tab bar component added to `ScreenComponents` that can be used throughout the application. ### New Scroll Indicator Component A page position indicator for lists that span multiple pages. **Features:** - Up/down arrow indicators - Current page fraction display (e.g., "1/3") - Only renders when content spans multiple pages ### My Library Activity A new unified view combining Recent Books and File Browser into a single tabbed page. **Tabs:** - **Recent** - Shows recently opened books - **Files** - Browse SD card directory structure **Navigation:** - Up/Down or Left/Right: Navigate through list items - Left/Right (when first item selected): Switch between tabs - Confirm: Open selected book or enter directory - Back: Go up directory (Files tab) or return home - Long press Back: Jump to root directory (Files tab) **UI Elements:** - Tab bar with selection indicator - Scroll/page indicator on right side - Side button hints (up/down arrows) - Dynamic bottom button labels ("BACK" in subdirectories, "HOME" at root) ## Tab Bar Usage The tab bar component is designed to be reusable across different activities. Here's how to use it: ### Basic Example ```cpp #include "ScreenComponents.h" void MyActivity::render() const { renderer.clearScreen(); // Define tabs with labels and selection state std::vector<TabInfo> tabs = { {"Tab One", currentTab == 0}, // Selected when currentTab is 0 {"Tab Two", currentTab == 1}, // Selected when currentTab is 1 {"Tab Three", currentTab == 2} // Selected when currentTab is 2 }; // Draw tab bar at Y position 15, returns height of the tab bar int tabBarHeight = ScreenComponents::drawTabBar(renderer, 15, tabs); // Position your content below the tab bar int contentStartY = 15 + tabBarHeight + 10; // Add some padding // Draw content based on selected tab if (currentTab == 0) { renderTabOneContent(contentStartY); } else if (currentTab == 1) { renderTabTwoContent(contentStartY); } else { renderTabThreeContent(contentStartY); } renderer.displayBuffer(); } ``` Video Demo: https://share.cleanshot.com/P6NBncFS <img width="250" src="https://github.com/user-attachments/assets/07de4418-968e-4a88-9b42-ac5f53d8a832" /> <img width="250" src="https://github.com/user-attachments/assets/e40201ed-dcc8-4568-b008-cd2bf13ebb2a" /> <img width="250" src="https://github.com/user-attachments/assets/73db269f-e629-4696-b8ca-0b8443451a05" /> --------- Co-authored-by: Dave Allie <dave@daveallie.com>
2026-01-21 05:38:38 -06:00
#pragma once
#include <string>
#include <vector>
class RecentBooksStore {
// Static instance
static RecentBooksStore instance;
std::vector<std::string> recentBooks;
public:
~RecentBooksStore() = default;
// Get singleton instance
static RecentBooksStore& getInstance() { return instance; }
// Add a book path to the recent list (moves to front if already exists)
void addBook(const std::string& path);
// Get the list of recent book paths (most recent first)
const std::vector<std::string>& getBooks() const { return recentBooks; }
// Get the count of recent books
int getCount() const { return static_cast<int>(recentBooks.size()); }
bool saveToFile() const;
bool loadFromFile();
};
// Helper macro to access recent books store
#define RECENT_BOOKS RecentBooksStore::getInstance()