NS_IMETHODIMP
nsWindowsShellService::SetDefaultClient(bool aForAllUsers, uint16_t aApps) {
nsAutoString appHelperPath;
if (NS_FAILED(GetHelperPath(appHelperPath))) return NS_ERROR_FAILURE;
nsAutoString params;
if (aForAllUsers) {
params.AppendLiteral(" /SetAsDefaultAppGlobal");
} else {
params.AppendLiteral(" /SetAsDefaultAppUser");
if (aApps & nsIShellService::MAIL) params.AppendLiteral(" Mail");
if (aApps & nsIShellService::NEWS) params.AppendLiteral(" News");
}
return LaunchHelper(appHelperPath, params);
}
NS_IMETHODIMP
nsWindowsShellService::ShortcutMaintenance()
{
nsresult rv;
// Launch helper.exe so it can update the application user model ids on
// shortcuts in the user's taskbar and start menu. This keeps older pinned
// shortcuts grouped correctly after major updates. Note, we also do this
// through the upgrade installer script, however, this is the only place we
// have a chance to trap links created by users who do control the install/
// update process of the browser.
nsCOMPtr<nsIWinTaskbar> taskbarInfo = do_GetService(NS_TASKBAR_CONTRACTID);
if (!taskbarInfo) // If we haven't built with win7 sdk features, this fails.
return NS_OK;
// Avoid if this isn't Win7+
bool isSupported = false;
taskbarInfo->GetAvailable(&isSupported);
if (!isSupported)
return NS_OK;
nsAutoString appId;
if (NS_FAILED(taskbarInfo->GetDefaultGroupId(appId)))
return NS_ERROR_UNEXPECTED;
NS_NAMED_LITERAL_CSTRING(prefName, "mail.taskbar.lastgroupid");
nsCOMPtr<nsIPrefService> prefs =
do_GetService(NS_PREFSERVICE_CONTRACTID);
if (!prefs)
return NS_ERROR_UNEXPECTED;
nsCOMPtr<nsIPrefBranch> prefBranch;
prefs->GetBranch(nullptr, getter_AddRefs(prefBranch));
if (!prefBranch)
return NS_ERROR_UNEXPECTED;
nsCOMPtr<nsISupportsString> prefString;
rv = prefBranch->GetComplexValue(prefName.get(),
NS_GET_IID(nsISupportsString),
getter_AddRefs(prefString));
if (NS_SUCCEEDED(rv)) {
nsAutoString version;
prefString->GetData(version);
if (!version.IsEmpty() && version.Equals(appId)) {
// We're all good, get out of here.
return NS_OK;
}
}
// Update the version in prefs
prefString =
do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID, &rv);
if (NS_FAILED(rv))
return rv;
prefString->SetData(appId);
rv = prefBranch->SetComplexValue(prefName.get(),
NS_GET_IID(nsISupportsString),
prefString);
if (NS_FAILED(rv)) {
NS_WARNING("Couldn't set last user model id!");
return NS_ERROR_UNEXPECTED;
}
nsAutoString appHelperPath;
if (NS_FAILED(GetHelperPath(appHelperPath)))
return NS_ERROR_UNEXPECTED;
nsAutoString params;
params.AssignLiteral(" /UpdateShortcutAppUserModelIds");
return LaunchHelper(appHelperPath, params);
}