DWORD WINAPI InstallerThread(LPVOID data)
{
gGlobalData.success = false;
if (!CreateInstallationDirectory())
goto Error;
ProgressStep();
if (!InstallCopyFiles())
goto Error;
if (gGlobalData.registerAsDefault) {
// need to sublaunch SumatraPDF.exe instead of replicating the code
// because registration uses translated strings
ScopedMem<WCHAR> installedExePath(GetInstalledExePath());
CreateProcessHelper(installedExePath, L"-register-for-pdf");
}
if (gGlobalData.installBrowserPlugin)
InstallBrowserPlugin();
else if (IsBrowserPluginInstalled())
UninstallBrowserPlugin();
if (gGlobalData.installPdfFilter)
InstallPdfFilter();
else if (IsPdfFilterInstalled())
UninstallPdfFilter();
if (gGlobalData.installPdfPreviewer)
InstallPdfPreviewer();
else if (IsPdfPreviewerInstalled())
UninstallPdfPreviewer();
if (!CreateAppShortcut(true) && !CreateAppShortcut(false)) {
NotifyFailed(_TR("Failed to create a shortcut"));
goto Error;
}
// consider installation a success from here on
// (still warn, if we've failed to create the uninstaller, though)
gGlobalData.success = true;
if (!WriteUninstallerRegistryInfo(HKEY_LOCAL_MACHINE) &&
!WriteUninstallerRegistryInfo(HKEY_CURRENT_USER)) {
NotifyFailed(_TR("Failed to write the uninstallation information to the registry"));
}
if (!WriteExtendedFileExtensionInfo(HKEY_LOCAL_MACHINE) &&
!WriteExtendedFileExtensionInfo(HKEY_CURRENT_USER)) {
NotifyFailed(_TR("Failed to write the extended file extension information to the registry"));
}
ProgressStep();
Error:
// TODO: roll back installation on failure (restore previous installation!)
if (gHwndFrame && !gGlobalData.silent) {
Sleep(500); // allow a glimpse of the completed progress bar before hiding it
PostMessage(gHwndFrame, WM_APP_INSTALLATION_FINISHED, 0, 0);
}
return 0;
}
DWORD WINAPI UninstallerThread(LPVOID data)
{
// also kill the original uninstaller, if it's just spawned
// a DELETE_ON_CLOSE copy from the temp directory
WCHAR *exePath = GetUninstallerPath();
if (!path::IsSame(exePath, GetOwnPath()))
KillProcess(exePath, TRUE);
free(exePath);
if (!RemoveUninstallerRegistryInfo(HKEY_LOCAL_MACHINE) &&
!RemoveUninstallerRegistryInfo(HKEY_CURRENT_USER)) {
NotifyFailed(L"Failed to delete uninstaller registry keys");
}
if (!RemoveShortcut(true) && !RemoveShortcut(false))
NotifyFailed(L"Couldn't remove the shortcut");
UninstallBrowserPlugin();
UninstallPdfFilter();
UninstallPdfPreviewer();
RemoveOwnRegistryKeys();
if (!RemoveInstalledFiles())
NotifyFailed(L"Couldn't remove installation directory");
// always succeed, even for partial uninstallations
gGlobalData.success = true;
if (!gGlobalData.silent)
PostMessage(gHwndFrame, WM_APP_INSTALLATION_FINISHED, 0, 0);
return 0;
}
