AutoUpdater.h

Go to the documentation of this file.

#pragma once
 
#if EDITOR
 
#include "ReleaseInfo.h"
#include <thread>
#include <mutex>
#include <atomic>
#include <string>
 
enum class UpdateCheckState
{
    Idle,               // No check in progress
    Checking,           // Currently checking for updates
    UpdateAvailable,    // A new version is available
    UpToDate,           // Current version is up to date
    Error,              // An error occurred during check
    Downloading,        // Currently downloading the update
    DownloadComplete    // Download finished, ready to install
};
 
class AutoUpdater
{
public:
    static void Create();
    static void Destroy();
    static AutoUpdater* Get();
 
    void CheckForUpdates(bool showUIOnNoUpdate = false);
 
    void Cancel();
 
    void StartDownload();
 
    void LaunchInstaller();
 
    void Update();
 
    UpdateCheckState GetState() const { return mState.load(); }
 
    const ReleaseInfo& GetLatestRelease() const { return mLatestRelease; }
 
    const std::string& GetErrorMessage() const { return mErrorMessage; }
 
    float GetDownloadProgress() const;
 
    size_t GetDownloadedBytes() const { return mDownloadedBytes.load(); }
 
    size_t GetTotalBytes() const { return mTotalBytes.load(); }
 
    void DismissUpdate();
 
    void SkipThisVersion();
 
    bool ShouldShowWindow() const { return mShowWindow; }
 
    void SetShowWindow(bool show) { mShowWindow = show; }
 
private:
    AutoUpdater();
    ~AutoUpdater();
 
    void CheckThreadFunc();
    void DownloadThreadFunc();
    bool ParseReleaseJson(const std::string& json);
    void JoinThreads();
 
    static AutoUpdater* sInstance;
 
    // Background threads
    std::thread mCheckThread;
    std::thread mDownloadThread;
 
    // Thread control
    std::atomic<bool> mRunning{false};
    std::atomic<bool> mCancelRequested{false};
    std::atomic<UpdateCheckState> mState{UpdateCheckState::Idle};
 
    // Download progress
    std::atomic<size_t> mDownloadedBytes{0};
    std::atomic<size_t> mTotalBytes{0};
 
    // Results (protected by mutex)
    std::mutex mResultMutex;
    ReleaseInfo mLatestRelease;
    std::string mErrorMessage;
    std::string mDownloadedInstallerPath;
 
    // UI state
    bool mShowUIOnNoUpdate = false;
    bool mShowWindow = false;
    bool mCheckCompleteThisFrame = false;
    bool mDownloadCompleteThisFrame = false;
 
    // GitHub API config
    static constexpr const char* kGitHubApiUrl = "https://api.github.com/repos/polyphase-labs/polyphase-engine/releases/latest";
    static constexpr const char* kGitHubApiAllReleasesUrl = "https://api.github.com/repos/polyphase-labs/polyphase-engine/releases";
};
 
#endif // EDITOR