gecko-dev/netwerk/cache2/AppCacheStorage.cpp

161 lines
4.3 KiB
C++

/* 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 "CacheLog.h"
#include "AppCacheStorage.h"
#include "CacheStorageService.h"
#include "OldWrappers.h"
#include "nsICacheEntryDoomCallback.h"
#include "nsICacheService.h"
#include "nsIApplicationCache.h"
#include "nsIApplicationCacheService.h"
#include "nsIURI.h"
#include "nsNetCID.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
namespace mozilla {
namespace net {
NS_IMPL_ISUPPORTS_INHERITED0(AppCacheStorage, CacheStorage)
AppCacheStorage::AppCacheStorage(nsILoadContextInfo* aInfo,
nsIApplicationCache* aAppCache)
: CacheStorage(aInfo, true /* disk */, false /* lookup app cache */)
, mAppCache(aAppCache)
{
MOZ_COUNT_CTOR(AppCacheStorage);
}
AppCacheStorage::~AppCacheStorage()
{
ProxyReleaseMainThread(mAppCache);
MOZ_COUNT_DTOR(AppCacheStorage);
}
NS_IMETHODIMP AppCacheStorage::AsyncOpenURI(nsIURI *aURI,
const nsACString & aIdExtension,
uint32_t aFlags,
nsICacheEntryOpenCallback *aCallback)
{
if (!CacheStorageService::Self())
return NS_ERROR_NOT_INITIALIZED;
NS_ENSURE_ARG(aURI);
NS_ENSURE_ARG(aCallback);
nsresult rv;
nsCOMPtr<nsIApplicationCache> appCache = mAppCache;
if (!appCache) {
rv = ChooseApplicationCache(aURI, getter_AddRefs(appCache));
NS_ENSURE_SUCCESS(rv, rv);
}
if (!appCache) {
LOG(("AppCacheStorage::AsyncOpenURI entry not found in any appcache, giving up"));
aCallback->OnCacheEntryAvailable(nullptr, false, nullptr, NS_ERROR_CACHE_KEY_NOT_FOUND);
return NS_OK;
}
nsCOMPtr<nsIURI> noRefURI;
rv = aURI->CloneIgnoringRef(getter_AddRefs(noRefURI));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString cacheKey;
rv = noRefURI->GetAsciiSpec(cacheKey);
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString scheme;
rv = noRefURI->GetScheme(scheme);
NS_ENSURE_SUCCESS(rv, rv);
nsRefPtr<_OldCacheLoad> appCacheLoad =
new _OldCacheLoad(scheme, cacheKey, aCallback, appCache,
LoadInfo(), WriteToDisk(), aFlags);
rv = appCacheLoad->Start();
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
NS_IMETHODIMP AppCacheStorage::AsyncDoomURI(nsIURI *aURI, const nsACString & aIdExtension,
nsICacheEntryDoomCallback* aCallback)
{
if (!CacheStorageService::Self())
return NS_ERROR_NOT_INITIALIZED;
if (!mAppCache) {
return NS_ERROR_NOT_AVAILABLE;
}
// TODO - remove entry from app cache
// I think no one is using this...
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP AppCacheStorage::AsyncEvictStorage(nsICacheEntryDoomCallback* aCallback)
{
if (!CacheStorageService::Self())
return NS_ERROR_NOT_INITIALIZED;
nsresult rv;
nsCOMPtr<nsIApplicationCacheService> appCacheService =
do_GetService(NS_APPLICATIONCACHESERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
if (!mAppCache) {
if (LoadInfo()->AppId() == nsILoadContextInfo::NO_APP_ID &&
!LoadInfo()->IsInBrowserElement()) {
// Clear everything.
nsCOMPtr<nsICacheService> serv =
do_GetService(NS_CACHESERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
rv = serv->EvictEntries(nsICache::STORE_OFFLINE);
NS_ENSURE_SUCCESS(rv, rv);
}
else {
// Clear app or inbrowser staff.
rv = appCacheService->DiscardByAppId(LoadInfo()->AppId(),
LoadInfo()->IsInBrowserElement());
NS_ENSURE_SUCCESS(rv, rv);
}
}
else {
// Discard the group
nsAutoCString groupID;
rv = mAppCache->GetGroupID(groupID);
NS_ENSURE_SUCCESS(rv, rv);
rv = appCacheService->DeactivateGroup(groupID);
NS_ENSURE_SUCCESS(rv, rv);
}
if (aCallback)
aCallback->OnCacheEntryDoomed(NS_OK);
return NS_OK;
}
NS_IMETHODIMP AppCacheStorage::AsyncVisitStorage(nsICacheStorageVisitor* aVisitor,
bool aVisitEntries)
{
if (!CacheStorageService::Self())
return NS_ERROR_NOT_INITIALIZED;
LOG(("AppCacheStorage::AsyncVisitStorage [this=%p, cb=%p]", this, aVisitor));
return NS_ERROR_NOT_IMPLEMENTED;
}
} // net
} // mozilla