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ROADMAP.md

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Implementation Roadmap for astal-bar Optimization

Here's a prioritized task list to systematically implement the recommended improvements:

Phase 1: Foundation and Utilities

  1. Create Utility Module

    • Create lib/utils.lua containing essential utilities
    • Implement a robust debounce function
    • Add throttle, memoize, and safe cleanup functions
    • Write thorough documentation for each utility

  2. Implement Basic State Management

    • Create lib/state.lua with a simple event bus implementation
    • Define core state objects and their default values
    • Implement subscribe/publish pattern for state updates
    • Add state persistence functionality where appropriate

  3. Add Profiling Tools

    • Set up luagraph integration
    • Create a simple profiling wrapper to toggle profiling
    • Add helper functions to output profiling data
    • Document usage procedures for developers

Phase 2: Core Components Enhancement

  1. Refactor Dock Component (highest priority)

    • Replace polling with event-driven updates
    • Implement state management for application list
    • Apply debouncing to user interactions
    • Fix memory leaks and cleanup procedures

  2. Optimize Resource Management

    • Create centralized cleanup mechanisms for common resources
    • Standardize widget lifecycle management
    • Implement lazy initialization for heavy components
    • Ensure proper cleanup on component destruction

  3. Enhance System Integration

    • Replace polling with system event listeners where possible
    • Create better D-Bus integration for system events
    • Implement efficient window tracking mechanisms
    • Add proper signal handling for system changes

Phase 3: Component-Specific Optimizations

  1. Refactor Bar Component

    • Update to use the state management system
    • Implement proper window reference management
    • Replace direct polling with event subscriptions
    • Apply performance optimizations

  2. Optimize Media and Notification Components

    • Centralize media player state management
    • Improve notification efficiency and lifecycle
    • Reduce redundant updates in UI components
    • Apply proper cleanup for transient components

  3. Enhance Workspace and Window Management

    • Create a reactive workspace management system
    • Optimize window tracking and updates
    • Implement efficient workspace switching
    • Reduce memory usage for window representations

Phase 4: Refinement and Documentation

  1. Standardize Component Patterns

    • Create consistent component creation templates
    • Standardize error handling and logging
    • Establish common patterns for state subscription
    • Document best practices for custom components

  2. Optimize Rendering and Updates

    • Implement visibility-based update suspension
    • Add render optimization for off-screen components
    • Reduce unnecessary redraws and layout calculations
    • Prioritize updates based on user interaction

  3. Complete Documentation

    • Create comprehensive API documentation
    • Add performance best practices guide
    • Document state management patterns
    • Provide examples for common customization scenarios

Phase 5: Community and Extension

  1. Create Extension Points

    • Define clean APIs for community extensions
    • Implement plugin architecture if appropriate
    • Create example extensions and plugins
    • Document extension development process

  2. Performance Testing Framework

    • Implement automated performance benchmarks
    • Create memory usage monitoring tools
    • Add performance regression tests
    • Document performance testing procedures

  3. Final Optimization Pass

    • Conduct thorough profiling of entire application
    • Address any remaining memory leaks
    • Optimize startup and shutdown procedures
    • Fine-tune event handling and dispatch