linuxdeepin/dde-file-manager
Nov 2024 – Oct 2025
8 Months active
Languages Used
CC++desktopJavaScriptQML
Technical Skills
Bug FixBug FixingFile ManagementFile OperationsLinux Kernel APIsMemory Management
liyigang
PROFILE
Liyigang
Liyigang worked on the linuxdeepin/dde-file-manager repository, delivering features and fixes that improved file operations, UI responsiveness, and system stability. Over eight months, he optimized large file copying by leveraging Linux kernel APIs and C++ concurrency, refactored symlink and file statistics handling for accuracy, and enhanced clipboard and context menu reliability using asynchronous programming with Qt. His work included robust event handling, memory management, and code organization, resulting in faster metadata retrieval, safer file deletions, and smoother user interactions. Liyigang’s contributions demonstrated depth in system programming and maintainable C++ development, directly supporting user productivity and long-term codebase health.
Overall Statistics
Feature vs Bugs
56%Features
Repository Contributions
21Total
Bugs
8
Commits
21
Features
10
Lines of code
1,434
Activity Months8
Your Network
96 peopleSame Organization
@uniontech.com73
Work History
October 2025
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10 — Focused on enhancing UI responsiveness and stability in linuxdeepin/dde-file-manager. Implemented asynchronous context menu handling across CanvasView, CollectionView, and FileView by deferring processing to QTimer and using a FinallyUtil RAII wrapper. The change reduces UI blocking, mitigates freezes/crashes, and improves user experience during context menu interactions.
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10 — Focused on enhancing UI responsiveness and stability in linuxdeepin/dde-file-manager. Implemented asynchronous context menu handling across CanvasView, CollectionView, and FileView by deferring processing to QTimer and using a FinallyUtil RAII wrapper. The change reduces UI blocking, mitigates freezes/crashes, and improves user experience during context menu interactions.
October 2025
September 2025
2 Commits • 1 Features
Sep 1, 2025Monthly summary for 2025-09 (linuxdeepin/dde-file-manager): Focused on stabilizing and enhancing grouped views in the File Manager. Delivered a bug fix for correct grouped item selection and implemented group expansion/collapse with a new grouping role and updated event handling. These changes improve correctness, UX, and maintainability, directly supporting user productivity in complex file operations.
September 2025
2 Commits • 1 Features
Sep 1, 2025Monthly summary for 2025-09 (linuxdeepin/dde-file-manager): Focused on stabilizing and enhancing grouped views in the File Manager. Delivered a bug fix for correct grouped item selection and implemented group expansion/collapse with a new grouping role and updated event handling. These changes improve correctness, UX, and maintainability, directly supporting user productivity in complex file operations.
June 2025
4 Commits • 2 Features
Jun 1, 2025June 2025: Delivered stability improvements and maintainability enhancements for linuxdeepin/dde-file-manager. Key features delivered: Robust File Name Display and Watcher Stability — improved file list rendering by correctly using displayName when suffix comparisons fail and added null checks/cleanup for the file watcher (commits 1a46b191e46925ef1ddeac2ffdf4753f6722c5a7 and 32e6d05589f3f151273316964fbad23327a23ac6). Centralized Symlink Resolution in FileUtils — refactored symlink resolution into a single static method to ensure consistent handling across the codebase (commit 710f5ce46b314d3106775fcdd72df130a9c98062). Major bugs fixed: URL Handling Reliability in Job Notifications — avoided redundant percent-decoding by passing original QUrl objects to job creation and error handling, improving consistency of URL processing (commit 9ae60daacd3b1e98973030e71905949a12efbd1e). Overall impact and accomplishments: Increased UI reliability, reduced edge-case failures in file listings and notifications, and a cleaner, more maintainable codebase with reduced duplication. Technologies/skills demonstrated: Qt-based UI and async patterns (QFutureWatcher), robust URL handling with QUrl, static utility refactoring, code quality improvements, and disciplined commit hygiene. Business value: enhanced user experience with stable file listings, fewer issues in background job notifications, and easier future feature work due to centralized common logic.
4 Commits • 2 Features
Jun 1, 2025June 2025: Delivered stability improvements and maintainability enhancements for linuxdeepin/dde-file-manager. Key features delivered: Robust File Name Display and Watcher Stability — improved file list rendering by correctly using displayName when suffix comparisons fail and added null checks/cleanup for the file watcher (commits 1a46b191e46925ef1ddeac2ffdf4753f6722c5a7 and 32e6d05589f3f151273316964fbad23327a23ac6). Centralized Symlink Resolution in FileUtils — refactored symlink resolution into a single static method to ensure consistent handling across the codebase (commit 710f5ce46b314d3106775fcdd72df130a9c98062). Major bugs fixed: URL Handling Reliability in Job Notifications — avoided redundant percent-decoding by passing original QUrl objects to job creation and error handling, improving consistency of URL processing (commit 9ae60daacd3b1e98973030e71905949a12efbd1e). Overall impact and accomplishments: Increased UI reliability, reduced edge-case failures in file listings and notifications, and a cleaner, more maintainable codebase with reduced duplication. Technologies/skills demonstrated: Qt-based UI and async patterns (QFutureWatcher), robust URL handling with QUrl, static utility refactoring, code quality improvements, and disciplined commit hygiene. Business value: enhanced user experience with stable file listings, fewer issues in background job notifications, and easier future feature work due to centralized common logic.
June 2025
March 2025
2 Commits • 2 Features
Mar 1, 2025March 2025 monthly summary for linuxdeepin/dde-file-manager: Delivered two key features that enhance performance and reliability of file operations, with corresponding commit-level work and no major regressions reported. Focused on enabling efficient large-file transfers, robust statistics collection, and maintainability improvements to support ongoing product goals.
March 2025
2 Commits • 2 Features
Mar 1, 2025March 2025 monthly summary for linuxdeepin/dde-file-manager: Delivered two key features that enhance performance and reliability of file operations, with corresponding commit-level work and no major regressions reported. Focused on enabling efficient large-file transfers, robust statistics collection, and maintainability improvements to support ongoing product goals.
February 2025
1 Commits
Feb 1, 2025February 2025: Delivered a critical bug fix in linuxdeepin/dde-file-manager to ensure file statistics reflect actual content by excluding symbolic link sizes. The change updates the core file size calculation in processFile to conditionally account for symbolic links, aligning reported sizes with user expectations and storage analytics. Commit 64ea7a4f1a4acd454f4c5a60fad0d3e95259cb32 documents the fix. Overall impact: improved accuracy of storage usage metrics and reduced potential user confusion, with no API changes. Technologies demonstrated: debugging, careful conditional logic, and maintainable code updates in a core statistics path.
1 Commits
Feb 1, 2025February 2025: Delivered a critical bug fix in linuxdeepin/dde-file-manager to ensure file statistics reflect actual content by excluding symbolic link sizes. The change updates the core file size calculation in processFile to conditionally account for symbolic links, aligning reported sizes with user expectations and storage analytics. Commit 64ea7a4f1a4acd454f4c5a60fad0d3e95259cb32 documents the fix. Overall impact: improved accuracy of storage usage metrics and reduced potential user confusion, with no API changes. Technologies demonstrated: debugging, careful conditional logic, and maintainable code updates in a core statistics path.
February 2025
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 performance and reliability update for linuxdeepin/dde-file-manager. Delivered targeted improvements to file operations reliability and safety with measurable impact on user experience and data integrity.
January 2025
2 Commits • 1 Features
Jan 1, 2025January 2025 performance and reliability update for linuxdeepin/dde-file-manager. Delivered targeted improvements to file operations reliability and safety with measurable impact on user experience and data integrity.
December 2024
3 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for linuxdeepin/dde-file-manager focusing on stability, performance, and reliability improvements. Delivered targeted fixes and caching enhancements that reduce crashes and speed up file metadata retrieval, directly supporting user productivity and system reliability in a core file-management component.
3 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for linuxdeepin/dde-file-manager focusing on stability, performance, and reliability improvements. Delivered targeted fixes and caching enhancements that reduce crashes and speed up file metadata retrieval, directly supporting user productivity and system reliability in a core file-management component.
December 2024
November 2024
6 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for linuxdeepin/dde-file-manager focusing on performance, reliability, and user experience; delivered major local file copy optimization, responsiveness improvements, robust crash prevention, and a desktop UX enhancement with localization.
November 2024
6 Commits • 2 Features
Nov 1, 2024November 2024 monthly summary for linuxdeepin/dde-file-manager focusing on performance, reliability, and user experience; delivered major local file copy optimization, responsiveness improvements, robust crash prevention, and a desktop UX enhancement with localization.
Activity
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Quality Metrics
Correctness89.0%
Maintainability86.6%
Architecture83.8%
Performance83.4%
AI Usage20.0%
Skills & Technologies
Programming Languages
CC++JavaScriptQMLdesktop
Technical Skills
Algorithm OptimizationAsynchronous ProgrammingBug FixBug FixingC++C++ DevelopmentCachingClipboard HandlingCode OrganizationConcurrencyData StructuresDebuggingEvent HandlingFile ManagementFile Operations
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