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// Copyright 2006 Ben Hutchings <ben@decadent.org.uk>.
// See the file "COPYING" for licence details.
#include <new>
#include <string>
#include <langinfo.h>
#include "wchar_t_short.h"
#include <nsCOMPtr.h>
#include <nsICharsetConverterManager.h>
#include <nsIComponentManager.h>
#include <nsIFactory.h>
#include <nsIComponentRegistrar.h>
#include <nsServiceManagerUtils.h>
#include <nsIUnicodeEncoder.h>
#include "wchar_t_default.h"
#include "null_prompt_service.hpp"
#include "videolink.hpp"
#include "xpcom_support.hpp"
using xpcom_support::check;
namespace
{
NS_DEFINE_IID(prompt_service_iid, NS_IPROMPTSERVICE_IID);
class null_prompt_service_factory : public nsIFactory
{
NS_DECL_ISUPPORTS
NS_DECL_NSIFACTORY
};
NS_IMPL_ISUPPORTS1(null_prompt_service_factory, nsIFactory)
NS_IMETHODIMP null_prompt_service_factory::CreateInstance(
nsISupports *, const nsIID & iid, void ** result)
{
if (!iid.Equals(prompt_service_iid))
return NS_ERROR_NO_INTERFACE;
if (null_prompt_service * service =
new (std::nothrow) null_prompt_service)
{
service->AddRef();
*result = service;
return NS_OK;
}
else
{
return NS_ERROR_OUT_OF_MEMORY;
}
}
NS_IMETHODIMP null_prompt_service_factory::LockFactory(PRBool /*lock*/)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
std::string native_error_string(const PRUnichar * text)
{
std::string result;
PRInt32 text_len = 0;
while (text[text_len])
++text_len;
nsCOMPtr<nsICharsetConverterManager> conv_manager;
nsCOMPtr<nsIUnicodeEncoder> encoder;
static const nsCID charset_converter_manager_cid =
NS_ICHARSETCONVERTERMANAGER_CID;
if (NS_SUCCEEDED(CallGetService<nsICharsetConverterManager>(
charset_converter_manager_cid,
getter_AddRefs(conv_manager)))
&& NS_SUCCEEDED(conv_manager->GetUnicodeEncoder(
nl_langinfo(CODESET),
getter_AddRefs(encoder))))
{
encoder->SetOutputErrorBehavior(
nsIUnicodeEncoder::kOnError_Replace, NULL, PRUnichar('?'));
char buf[1000]; // Hopefully long enough for an error message
char * out = buf;
PRInt32 out_len = sizeof(buf);
encoder->Convert(text, &text_len, out, &out_len);
out += out_len;
out_len = sizeof(buf) - out_len;
encoder->Finish(out, &out_len);
out += out_len;
result.assign(buf, out);
}
else
{
// Convert to ASCII
result.resize(text_len);
for (PRInt32 i = 0; i != text_len; ++i)
result[i] = (text[i] < 0x80) ? text[i] : '?';
}
return result;
}
}
NS_IMPL_ISUPPORTS1(null_prompt_service, nsIPromptService)
NS_IMETHODIMP null_prompt_service::Alert(
nsIDOMWindow *, const PRUnichar *, const PRUnichar * text)
{
fatal_error(native_error_string(text));
return NS_OK;
}
NS_IMETHODIMP null_prompt_service::AlertCheck(
nsIDOMWindow *, const PRUnichar *, const PRUnichar * text,
const PRUnichar *, PRBool *)
{
fatal_error(native_error_string(text));
return NS_OK;
}
NS_IMETHODIMP null_prompt_service::Confirm(
nsIDOMWindow *, const PRUnichar *, const PRUnichar *, PRBool * result)
{
// Cancel
*result = false;
return NS_OK;
}
NS_IMETHODIMP null_prompt_service::ConfirmCheck(
nsIDOMWindow *, const PRUnichar *, const PRUnichar *,
const PRUnichar *, PRBool *, PRBool * result)
{
// Cancel
*result = false;
return NS_OK;
}
NS_IMETHODIMP null_prompt_service::ConfirmEx(
nsIDOMWindow *, const PRUnichar *, const PRUnichar *,
PRUint32 flags, const PRUnichar *, const PRUnichar *, const PRUnichar *,
const PRUnichar *, PRBool *, PRInt32 * result)
{
// Accept the default
if (flags & BUTTON_POS_1_DEFAULT)
*result = 1;
else if (flags & BUTTON_POS_2_DEFAULT)
*result = 2;
else
*result = 0;
return NS_OK;
}
NS_IMETHODIMP null_prompt_service::Prompt(
nsIDOMWindow *, const PRUnichar *, const PRUnichar *, PRUnichar **,
const PRUnichar *, PRBool *, PRBool * result)
{
// Cancel
*result = false;
return NS_OK;
}
NS_IMETHODIMP null_prompt_service::PromptUsernameAndPassword(
nsIDOMWindow *, const PRUnichar *, const PRUnichar *,
PRUnichar **, PRUnichar **, const PRUnichar *, PRBool *, PRBool * result)
{
// Cancel
*result = false;
return NS_OK;
}
NS_IMETHODIMP null_prompt_service::PromptPassword(
nsIDOMWindow *, const PRUnichar *, const PRUnichar *, PRUnichar **,
const PRUnichar *, PRBool *, PRBool * result)
{
// Cancel
*result = false;
return NS_OK;
}
NS_IMETHODIMP null_prompt_service::Select(
nsIDOMWindow *, const PRUnichar *, const PRUnichar *, PRUint32,
const PRUnichar **, PRInt32 *, PRBool * result)
{
// Cancel
*result = false;
return NS_OK;
}
void null_prompt_service::install()
{
static const nsCID prompt_service_cid = {
0xa2112d6a, 0x0e28, 0x421f,
{0xb4, 0x6a, 0x25, 0xc0, 0xb3, 0x8, 0xcb, 0xd0}
};
nsCOMPtr<nsIFactory> prompt_factory(new null_prompt_service_factory);
nsCOMPtr<nsIComponentRegistrar> comp_registrar;
check(NS_GetComponentRegistrar(getter_AddRefs(comp_registrar)));
check(comp_registrar->RegisterFactory(
prompt_service_cid,
"Prompt Service",
"@mozilla.org/embedcomp/prompt-service;1",
prompt_factory));
}
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