gecko-dev/uriloader/exthandler/nsOSHelperAppServiceChild.cpp

150 строки
5.0 KiB
C++

/* -*- Mode: C++; tab-width: 3; 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 <sys/types.h>
#include <sys/stat.h>
#include "mozilla/Logging.h"
#include "mozilla/net/NeckoCommon.h"
#include "nsOSHelperAppServiceChild.h"
#include "nsMIMEInfoChild.h"
#include "nsISupports.h"
#include "nsString.h"
#include "nsTArray.h"
#include "nsIURL.h"
#include "nsIFile.h"
#include "nsIHandlerService.h"
#include "nsMimeTypes.h"
#include "nsMIMEInfoImpl.h"
#include "nsIStringBundle.h"
#include "nsIPromptService.h"
#include "nsMemory.h"
#include "nsCRT.h"
#include "nsEmbedCID.h"
#undef LOG
#define LOG(args) \
MOZ_LOG(nsExternalHelperAppService::mLog, mozilla::LogLevel::Info, args)
#undef LOG_ERR
#define LOG_ERR(args) \
MOZ_LOG(nsExternalHelperAppService::mLog, mozilla::LogLevel::Error, args)
#undef LOG_ENABLED
#define LOG_ENABLED() \
MOZ_LOG_TEST(nsExternalHelperAppService::mLog, mozilla::LogLevel::Info)
nsresult nsOSHelperAppServiceChild::ExternalProtocolHandlerExists(
const char* aProtocolScheme, bool* aHandlerExists) {
nsresult rv;
nsCOMPtr<nsIHandlerService> handlerSvc =
do_GetService(NS_HANDLERSERVICE_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
LOG_ERR(("nsOSHelperAppServiceChild error: no handler service"));
return rv;
}
nsAutoCString scheme(aProtocolScheme);
*aHandlerExists = false;
rv = handlerSvc->ExistsForProtocol(scheme, aHandlerExists);
LOG(
("nsOSHelperAppServiceChild::OSProtocolHandlerExists(): "
"protocol: %s, result: %" PRId32,
aProtocolScheme, static_cast<uint32_t>(rv)));
mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
return rv;
}
nsresult nsOSHelperAppServiceChild::OSProtocolHandlerExists(const char* aScheme,
bool* aExists) {
// Use ExternalProtocolHandlerExists() which includes the
// OS-level check and remotes the call to the parent process.
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
nsOSHelperAppServiceChild::GetApplicationDescription(const nsACString& aScheme,
nsAString& aRetVal) {
nsresult rv;
nsCOMPtr<nsIHandlerService> handlerSvc =
do_GetService(NS_HANDLERSERVICE_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
LOG_ERR(("nsOSHelperAppServiceChild error: no handler service"));
return rv;
}
rv = handlerSvc->GetApplicationDescription(aScheme, aRetVal);
LOG(
("nsOSHelperAppServiceChild::GetApplicationDescription(): "
"scheme: %s, result: %" PRId32 ", description: %s",
PromiseFlatCString(aScheme).get(), static_cast<uint32_t>(rv),
NS_ConvertUTF16toUTF8(aRetVal).get()));
mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
return rv;
}
NS_IMETHODIMP
nsOSHelperAppServiceChild::GetMIMEInfoFromOS(const nsACString& aMIMEType,
const nsACString& aFileExt,
bool* aFound,
nsIMIMEInfo** aMIMEInfo) {
RefPtr<nsChildProcessMIMEInfo> mimeInfo =
new nsChildProcessMIMEInfo(aMIMEType);
nsCOMPtr<nsIHandlerService> handlerSvc =
do_GetService(NS_HANDLERSERVICE_CONTRACTID);
if (handlerSvc) {
nsresult rv =
handlerSvc->GetMIMEInfoFromOS(mimeInfo, aMIMEType, aFileExt, aFound);
LOG(
("nsOSHelperAppServiceChild::GetMIMEInfoFromOS(): "
"MIME type: %s, extension: %s, result: %" PRId32,
PromiseFlatCString(aMIMEType).get(),
PromiseFlatCString(aFileExt).get(), static_cast<uint32_t>(rv)));
mozilla::Unused << NS_WARN_IF(NS_FAILED(rv));
if (NS_FAILED(rv)) {
return rv;
}
} else {
LOG_ERR(("nsOSHelperAppServiceChild error: no handler service"));
*aFound = false;
}
mimeInfo.forget(aMIMEInfo);
return NS_OK;
}
NS_IMETHODIMP
nsOSHelperAppServiceChild::GetProtocolHandlerInfoFromOS(
const nsACString& aScheme, bool* aFound, nsIHandlerInfo** aRetVal) {
MOZ_ASSERT(!aScheme.IsEmpty(), "No scheme was specified!");
nsresult rv =
OSProtocolHandlerExists(PromiseFlatCString(aScheme).get(), aFound);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
nsChildProcessMIMEInfo* handlerInfo =
new nsChildProcessMIMEInfo(aScheme, nsMIMEInfoBase::eProtocolInfo);
NS_ENSURE_TRUE(handlerInfo, NS_ERROR_OUT_OF_MEMORY);
NS_ADDREF(*aRetVal = handlerInfo);
if (!*aFound) {
// Code that calls this requires an object no matter whether the OS has
// something for us, so we return the empty object.
return NS_OK;
}
nsAutoString description;
rv = GetApplicationDescription(aScheme, description);
NS_WARNING_ASSERTION(NS_SUCCEEDED(rv), "GetApplicationDescription failed");
handlerInfo->SetDefaultDescription(description);
return NS_OK;
}
nsresult nsOSHelperAppServiceChild::GetFileTokenForPath(
const char16_t* platformAppPath, nsIFile** aFile) {
return NS_ERROR_NOT_IMPLEMENTED;
}