diff options
Diffstat (limited to 'modules/libjar/nsJARProtocolHandler.cpp')
-rw-r--r-- | modules/libjar/nsJARProtocolHandler.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/modules/libjar/nsJARProtocolHandler.cpp b/modules/libjar/nsJARProtocolHandler.cpp new file mode 100644 index 0000000000..5fd3954d4f --- /dev/null +++ b/modules/libjar/nsJARProtocolHandler.cpp @@ -0,0 +1,102 @@ +/* -*- Mode: C++; tab-width: 4; 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 "mozilla/ClearOnShutdown.h" +#include "nsJARProtocolHandler.h" +#include "nsComponentManagerUtils.h" +#include "nsCRT.h" +#include "nsJARURI.h" +#include "nsJARChannel.h" +#include "nsString.h" +#include "nsNetCID.h" +#include "nsIMIMEService.h" +#include "nsMimeTypes.h" +#include "nsThreadUtils.h" + +static NS_DEFINE_CID(kZipReaderCacheCID, NS_ZIPREADERCACHE_CID); + +#define NS_JAR_CACHE_SIZE 32 + +//----------------------------------------------------------------------------- + +mozilla::StaticRefPtr<nsJARProtocolHandler> gJarHandler; + +nsJARProtocolHandler::nsJARProtocolHandler() { MOZ_ASSERT(NS_IsMainThread()); } + +nsJARProtocolHandler::~nsJARProtocolHandler() {} + +nsresult nsJARProtocolHandler::Init() { + nsresult rv; + + mJARCache = do_CreateInstance(kZipReaderCacheCID, &rv); + if (NS_FAILED(rv)) return rv; + + rv = mJARCache->Init(NS_JAR_CACHE_SIZE); + return rv; +} + +nsIMIMEService* nsJARProtocolHandler::MimeService() { + if (!mMimeService) mMimeService = do_GetService("@mozilla.org/mime;1"); + + return mMimeService.get(); +} + +NS_IMPL_ISUPPORTS(nsJARProtocolHandler, nsIProtocolHandler, + nsISupportsWeakReference) + +already_AddRefed<nsJARProtocolHandler> nsJARProtocolHandler::GetSingleton() { + if (!gJarHandler) { + gJarHandler = new nsJARProtocolHandler(); + if (NS_SUCCEEDED(gJarHandler->Init())) { + ClearOnShutdown(&gJarHandler); + } else { + gJarHandler = nullptr; + } + } + return do_AddRef(gJarHandler); +} + +//////////////////////////////////////////////////////////////////////////////// +// nsIProtocolHandler methods: + +NS_IMETHODIMP +nsJARProtocolHandler::GetScheme(nsACString& result) { + result.AssignLiteral("jar"); + return NS_OK; +} + +NS_IMETHODIMP +nsJARProtocolHandler::NewChannel(nsIURI* uri, nsILoadInfo* aLoadInfo, + nsIChannel** result) { + nsJARChannel* chan = new nsJARChannel(); + if (!chan) return NS_ERROR_OUT_OF_MEMORY; + NS_ADDREF(chan); + + nsresult rv = chan->Init(uri); + if (NS_FAILED(rv)) { + NS_RELEASE(chan); + return rv; + } + + // set the loadInfo on the new channel + rv = chan->SetLoadInfo(aLoadInfo); + if (NS_FAILED(rv)) { + NS_RELEASE(chan); + return rv; + } + + *result = chan; + return NS_OK; +} + +NS_IMETHODIMP +nsJARProtocolHandler::AllowPort(int32_t port, const char* scheme, + bool* _retval) { + // don't override anything. + *_retval = false; + return NS_OK; +} + +//////////////////////////////////////////////////////////////////////////////// |