зеркало из https://github.com/mozilla/gecko-dev.git
103 строки
2.9 KiB
C++
103 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nsGNOMERegistry.h"
|
|
#include "nsString.h"
|
|
#include "nsIComponentManager.h"
|
|
#include "nsMIMEInfoUnix.h"
|
|
#include "nsAutoPtr.h"
|
|
#include "nsIGIOService.h"
|
|
|
|
/* static */
|
|
bool nsGNOMERegistry::HandlerExists(const char* aProtocolScheme) {
|
|
nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
|
|
if (!giovfs) {
|
|
return false;
|
|
}
|
|
|
|
nsCOMPtr<nsIHandlerApp> app;
|
|
return NS_SUCCEEDED(giovfs->GetAppForURIScheme(
|
|
nsDependentCString(aProtocolScheme), getter_AddRefs(app)));
|
|
}
|
|
|
|
// XXX Check HandlerExists() before calling LoadURL.
|
|
|
|
/* static */
|
|
nsresult nsGNOMERegistry::LoadURL(nsIURI* aURL) {
|
|
nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
|
|
if (!giovfs) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return giovfs->ShowURI(aURL);
|
|
}
|
|
|
|
/* static */
|
|
void nsGNOMERegistry::GetAppDescForScheme(const nsACString& aScheme,
|
|
nsAString& aDesc) {
|
|
nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
|
|
if (!giovfs) return;
|
|
|
|
nsCOMPtr<nsIHandlerApp> app;
|
|
if (NS_FAILED(giovfs->GetAppForURIScheme(aScheme, getter_AddRefs(app))))
|
|
return;
|
|
|
|
app->GetName(aDesc);
|
|
}
|
|
|
|
/* static */
|
|
already_AddRefed<nsMIMEInfoBase> nsGNOMERegistry::GetFromExtension(
|
|
const nsACString& aFileExt) {
|
|
nsAutoCString mimeType;
|
|
nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
|
|
if (!giovfs) {
|
|
return nullptr;
|
|
}
|
|
|
|
// Get the MIME type from the extension, then call GetFromType to
|
|
// fill in the MIMEInfo.
|
|
if (NS_FAILED(giovfs->GetMimeTypeFromExtension(aFileExt, mimeType)) ||
|
|
mimeType.EqualsLiteral("application/octet-stream")) {
|
|
return nullptr;
|
|
}
|
|
|
|
RefPtr<nsMIMEInfoBase> mi = GetFromType(mimeType);
|
|
if (mi) {
|
|
mi->AppendExtension(aFileExt);
|
|
}
|
|
|
|
return mi.forget();
|
|
}
|
|
|
|
/* static */
|
|
already_AddRefed<nsMIMEInfoBase> nsGNOMERegistry::GetFromType(
|
|
const nsACString& aMIMEType) {
|
|
RefPtr<nsMIMEInfoUnix> mimeInfo = new nsMIMEInfoUnix(aMIMEType);
|
|
NS_ENSURE_TRUE(mimeInfo, nullptr);
|
|
|
|
nsAutoString name;
|
|
nsAutoCString description;
|
|
|
|
nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
|
|
if (!giovfs) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIHandlerApp> handlerApp;
|
|
if (NS_FAILED(
|
|
giovfs->GetAppForMimeType(aMIMEType, getter_AddRefs(handlerApp))) ||
|
|
!handlerApp) {
|
|
return nullptr;
|
|
}
|
|
handlerApp->GetName(name);
|
|
giovfs->GetDescriptionForMimeType(aMIMEType, description);
|
|
|
|
mimeInfo->SetDefaultDescription(name);
|
|
mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
|
|
mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(description));
|
|
|
|
return mimeInfo.forget();
|
|
}
|