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#pragma once
#include "Platform.h"
#include "FileUtils.h"
#include "UpdateScript.h"
#include <list>
#include <string>
#include <map>
class UpdateObserver;
/** Central class responsible for installing updates,
* launching an elevated copy of the updater if required
* and restarting the main application once the update
* is installed.
*/
class UpdateInstaller
{
public:
enum Mode
{
Setup,
Main
};
void setInstallDir(const std::string& path);
void setPackageDir(const std::string& path);
void setBackupDir(const std::string& path);
void setMode(Mode mode);
void setScript(UpdateScript* script);
void setWaitPid(PLATFORM_PID pid);
void setForceElevated(bool elevated);
void setAutoClose(bool autoClose);
void setDryRun(bool dryRun);
void setFinishCmd(const std::string& cmd);
void setFinishDir(const std::string& dir);
void setObserver(UpdateObserver* observer);
void run() throw ();
void restartMainApp();
private:
void cleanup();
void revert();
void removeBackups();
bool checkAccess();
void installFiles();
void uninstallFiles();
void installFile(const UpdateScriptFile& file);
void backupFile(const std::string& path);
void reportError(const std::string& error);
void postInstallUpdate();
std::list<std::string> updaterArgs() const;
std::string friendlyErrorForError(const FileUtils::IOException& ex) const;
Mode m_mode = Setup;
std::string m_installDir;
std::string m_packageDir;
std::string m_backupDir;
std::string m_finishCmd;
std::string m_finishDir;
PLATFORM_PID m_waitPid = 0;
UpdateScript* m_script = nullptr;
UpdateObserver* m_observer = nullptr;
std::map<std::string,std::string> m_backups;
bool m_forceElevated = false;
bool m_autoClose = false;
bool m_dryRun = false;
};
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