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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "ContentHandlerService.h"
#include "HandlerServiceChild.h"
#include "ContentChild.h"
#include "nsIMutableArray.h"
#include "nsIMIMEInfo.h"
#include "nsIStringEnumerator.h"
#include "nsReadableUtils.h"
#include "nsMIMEInfoImpl.h"
#include "nsMIMEInfoChild.h"
using mozilla::dom::ContentChild;
using mozilla::dom::HandlerInfo;
using mozilla::dom::PHandlerServiceChild;
namespace mozilla {
namespace dom {
NS_IMPL_ISUPPORTS(ContentHandlerService, nsIHandlerService)
ContentHandlerService::ContentHandlerService() {}
/* static */ already_AddRefed<nsIHandlerService>
ContentHandlerService::Create() {
if (XRE_IsContentProcess()) {
RefPtr service = new ContentHandlerService();
if (NS_SUCCEEDED(service->Init())) {
return service.forget();
}
return nullptr;
}
nsCOMPtr<nsIHandlerService> service =
do_GetService("@mozilla.org/uriloader/handler-service-parent;1");
return service.forget();
}
nsresult ContentHandlerService::Init() {
if (!XRE_IsContentProcess()) {
return NS_ERROR_FAILURE;
}
ContentChild* cpc = ContentChild::GetSingleton();
mHandlerServiceChild = new HandlerServiceChild();
if (!cpc->SendPHandlerServiceConstructor(mHandlerServiceChild)) {
mHandlerServiceChild = nullptr;
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
void ContentHandlerService::nsIHandlerInfoToHandlerInfo(
nsIHandlerInfo* aInfo, HandlerInfo* aHandlerInfo) {
nsCString type;
aInfo->GetType(type);
nsCOMPtr<nsIMIMEInfo> mimeInfo = do_QueryInterface(aInfo);
bool isMIMEInfo = !!mimeInfo;
nsString description;
aInfo->GetDescription(description);
bool alwaysAskBeforeHandling;
aInfo->GetAlwaysAskBeforeHandling(&alwaysAskBeforeHandling);
nsCOMPtr<nsIHandlerApp> app;
aInfo->GetPreferredApplicationHandler(getter_AddRefs(app));
nsString name;
nsString detailedDescription;
if (app) {
app->GetName(name);
app->GetDetailedDescription(detailedDescription);
}
HandlerApp happ(name, detailedDescription);
nsTArray<HandlerApp> happs;
nsCOMPtr<nsIMutableArray> apps;
aInfo->GetPossibleApplicationHandlers(getter_AddRefs(apps));
if (apps) {
unsigned int length;
apps->GetLength(&length);
for (unsigned int i = 0; i < length; i++) {
apps->QueryElementAt(i, NS_GET_IID(nsIHandlerApp), getter_AddRefs(app));
app->GetName(name);
app->GetDetailedDescription(detailedDescription);
happs.AppendElement(HandlerApp(name, detailedDescription));
}
}
nsTArray<nsCString> extensions;
if (isMIMEInfo) {
nsCOMPtr<nsIUTF8StringEnumerator> extensionsIter;
mimeInfo->GetFileExtensions(getter_AddRefs(extensionsIter));
if (extensionsIter) {
bool hasMore = false;
while (NS_SUCCEEDED(extensionsIter->HasMore(&hasMore)) && hasMore) {
nsAutoCString extension;
if (NS_SUCCEEDED(extensionsIter->GetNext(extension))) {
extensions.AppendElement(std::move(extension));
}
}
}
}
nsHandlerInfoAction action;
aInfo->GetPreferredAction(&action);
HandlerInfo info(type, isMIMEInfo, description, alwaysAskBeforeHandling,
std::move(extensions), happ, happs, action);
*aHandlerInfo = info;
}
NS_IMETHODIMP RemoteHandlerApp::GetName(nsAString& aName) {
aName.Assign(mAppChild.name());
return NS_OK;
}
NS_IMETHODIMP RemoteHandlerApp::SetName(const nsAString& aName) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP RemoteHandlerApp::GetDetailedDescription(
nsAString& aDetailedDescription) {
aDetailedDescription.Assign(mAppChild.detailedDescription());
return NS_OK;
}
NS_IMETHODIMP RemoteHandlerApp::SetDetailedDescription(
const nsAString& aDetailedDescription) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP RemoteHandlerApp::Equals(nsIHandlerApp* aHandlerApp,
bool* _retval) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP RemoteHandlerApp::LaunchWithURI(
nsIURI* aURI, BrowsingContext* aBrowsingContext) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMPL_ISUPPORTS(RemoteHandlerApp, nsIHandlerApp)
static inline void CopyHandlerInfoTonsIHandlerInfo(
const HandlerInfo& info, nsIHandlerInfo* aHandlerInfo) {
HandlerApp preferredApplicationHandler = info.preferredApplicationHandler();
nsCOMPtr<nsIHandlerApp> preferredApp(
new RemoteHandlerApp(preferredApplicationHandler));
aHandlerInfo->SetPreferredApplicationHandler(preferredApp);
nsCOMPtr<nsIMutableArray> possibleHandlers;
aHandlerInfo->GetPossibleApplicationHandlers(
getter_AddRefs(possibleHandlers));
possibleHandlers->AppendElement(preferredApp);
aHandlerInfo->SetPreferredAction(info.preferredAction());
aHandlerInfo->SetAlwaysAskBeforeHandling(info.alwaysAskBeforeHandling());
if (info.isMIMEInfo()) {
nsCOMPtr<nsIMIMEInfo> mimeInfo(do_QueryInterface(aHandlerInfo));
MOZ_ASSERT(mimeInfo,
"parent and child don't agree on whether this is a MIME info");
mimeInfo->SetFileExtensions(StringJoin(","_ns, info.extensions()));
}
}
ContentHandlerService::~ContentHandlerService() {}
NS_IMETHODIMP ContentHandlerService::AsyncInit() {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP ContentHandlerService::Enumerate(nsISimpleEnumerator** _retval) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP ContentHandlerService::FillHandlerInfo(
nsIHandlerInfo* aHandlerInfo, const nsACString& aOverrideType) {
HandlerInfo info, returnedInfo;
nsIHandlerInfoToHandlerInfo(aHandlerInfo, &info);
mHandlerServiceChild->SendFillHandlerInfo(info, aOverrideType, &returnedInfo);
CopyHandlerInfoTonsIHandlerInfo(returnedInfo, aHandlerInfo);
return NS_OK;
}
NS_IMETHODIMP ContentHandlerService::GetMIMEInfoFromOS(
const nsACString& aMIMEType, const nsACString& aFileExt, bool* aFound,
nsIMIMEInfo** aMIMEInfo) {
nsresult rv = NS_ERROR_FAILURE;
HandlerInfo returnedInfo;
if (!mHandlerServiceChild->SendGetMIMEInfoFromOS(aMIMEType, aFileExt, &rv,
&returnedInfo, aFound)) {
return NS_ERROR_FAILURE;
}
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
RefPtr<nsChildProcessMIMEInfo> mimeInfo =
new nsChildProcessMIMEInfo(returnedInfo.type());
CopyHandlerInfoTonsIHandlerInfo(returnedInfo, mimeInfo);
mimeInfo.forget(aMIMEInfo);
return NS_OK;
}
NS_IMETHODIMP ContentHandlerService::Store(nsIHandlerInfo* aHandlerInfo) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP ContentHandlerService::Exists(nsIHandlerInfo* aHandlerInfo,
bool* _retval) {
HandlerInfo info;
nsIHandlerInfoToHandlerInfo(aHandlerInfo, &info);
mHandlerServiceChild->SendExists(info, _retval);
return NS_OK;
}
NS_IMETHODIMP ContentHandlerService::Remove(nsIHandlerInfo* aHandlerInfo) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
ContentHandlerService::ExistsForProtocolOS(const nsACString& aProtocolScheme,
bool* aRetval) {
if (!mHandlerServiceChild->SendExistsForProtocolOS(aProtocolScheme,
aRetval)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
ContentHandlerService::ExistsForProtocol(const nsACString& aProtocolScheme,
bool* aRetval) {
if (!mHandlerServiceChild->SendExistsForProtocol(aProtocolScheme, aRetval)) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP ContentHandlerService::GetTypeFromExtension(
const nsACString& aFileExtension, nsACString& _retval) {
_retval.Assign(*mExtToTypeMap.LookupOrInsertWith(aFileExtension, [&] {
nsCString type;
mHandlerServiceChild->SendGetTypeFromExtension(aFileExtension, &type);
return MakeUnique<nsCString>(type);
}));
return NS_OK;
}
NS_IMETHODIMP ContentHandlerService::GetApplicationDescription(
const nsACString& aProtocolScheme, nsAString& aRetVal) {
nsresult rv = NS_ERROR_FAILURE;
nsAutoCString scheme(aProtocolScheme);
nsAutoString desc;
mHandlerServiceChild->SendGetApplicationDescription(scheme, &rv, &desc);
aRetVal.Assign(desc);
return rv;
}
} // namespace dom
} // namespace mozilla
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