зеркало из https://github.com/mozilla/gecko-dev.git
110 строки
3.0 KiB
C++
110 строки
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsGNOMERegistry.h"
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#include "nsString.h"
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#include "nsIComponentManager.h"
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#include "nsMIMEInfoUnix.h"
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#include "nsAutoPtr.h"
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#include "nsIGIOService.h"
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/* static */ bool
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nsGNOMERegistry::HandlerExists(const char *aProtocolScheme)
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{
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nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
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if (!giovfs) {
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return false;
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}
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nsCOMPtr<nsIGIOMimeApp> app;
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return NS_SUCCEEDED(giovfs->GetAppForURIScheme(nsDependentCString(aProtocolScheme),
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getter_AddRefs(app)));
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}
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// XXX Check HandlerExists() before calling LoadURL.
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/* static */ nsresult
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nsGNOMERegistry::LoadURL(nsIURI *aURL)
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{
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nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
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if (!giovfs) {
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return NS_ERROR_FAILURE;
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}
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return giovfs->ShowURI(aURL);
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}
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/* static */ void
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nsGNOMERegistry::GetAppDescForScheme(const nsACString& aScheme,
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nsAString& aDesc)
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{
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nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
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if (!giovfs)
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return;
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nsAutoCString name;
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nsCOMPtr<nsIGIOMimeApp> app;
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if (NS_FAILED(giovfs->GetAppForURIScheme(aScheme, getter_AddRefs(app))))
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return;
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app->GetName(name);
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CopyUTF8toUTF16(name, aDesc);
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}
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/* static */ already_AddRefed<nsMIMEInfoBase>
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nsGNOMERegistry::GetFromExtension(const nsACString& aFileExt)
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{
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nsAutoCString mimeType;
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nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
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if (!giovfs) {
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return nullptr;
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}
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// Get the MIME type from the extension, then call GetFromType to
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// fill in the MIMEInfo.
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if (NS_FAILED(giovfs->GetMimeTypeFromExtension(aFileExt, mimeType)) ||
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mimeType.EqualsLiteral("application/octet-stream")) {
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return nullptr;
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}
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RefPtr<nsMIMEInfoBase> mi = GetFromType(mimeType);
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if (mi) {
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mi->AppendExtension(aFileExt);
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}
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return mi.forget();
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}
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/* static */ already_AddRefed<nsMIMEInfoBase>
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nsGNOMERegistry::GetFromType(const nsACString& aMIMEType)
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{
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RefPtr<nsMIMEInfoUnix> mimeInfo = new nsMIMEInfoUnix(aMIMEType);
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NS_ENSURE_TRUE(mimeInfo, nullptr);
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nsAutoCString name;
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nsAutoCString description;
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nsCOMPtr<nsIGIOService> giovfs = do_GetService(NS_GIOSERVICE_CONTRACTID);
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if (!giovfs) {
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return nullptr;
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}
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nsCOMPtr<nsIGIOMimeApp> gioHandlerApp;
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if (NS_FAILED(giovfs->GetAppForMimeType(aMIMEType, getter_AddRefs(gioHandlerApp))) ||
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!gioHandlerApp) {
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return nullptr;
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}
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gioHandlerApp->GetName(name);
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giovfs->GetDescriptionForMimeType(aMIMEType, description);
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mimeInfo->SetDefaultDescription(NS_ConvertUTF8toUTF16(name));
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mimeInfo->SetPreferredAction(nsIMIMEInfo::useSystemDefault);
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mimeInfo->SetDescription(NS_ConvertUTF8toUTF16(description));
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return mimeInfo.forget();
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}
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