gecko-dev/netwerk/cache/nsCacheSession.cpp

122 строки
3.5 KiB
C++

/* -*- 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 "nsCacheSession.h"
#include "nsCacheService.h"
#include "nsCRT.h"
#include "nsThreadUtils.h"
NS_IMPL_ISUPPORTS(nsCacheSession, nsICacheSession)
nsCacheSession::nsCacheSession(const char* clientID,
nsCacheStoragePolicy storagePolicy,
bool streamBased)
: mClientID(clientID), mInfo(0) {
SetStoragePolicy(storagePolicy);
if (streamBased)
MarkStreamBased();
else
SetStoragePolicy(nsICache::STORE_IN_MEMORY);
MarkPublic();
MarkDoomEntriesIfExpired();
}
nsCacheSession::~nsCacheSession() {
/* destructor code */
// notify service we are going away?
}
NS_IMETHODIMP nsCacheSession::GetDoomEntriesIfExpired(bool* result) {
NS_ENSURE_ARG_POINTER(result);
*result = WillDoomEntriesIfExpired();
return NS_OK;
}
NS_IMETHODIMP nsCacheSession::SetProfileDirectory(nsIFile* profileDir) {
if (StoragePolicy() != nsICache::STORE_OFFLINE && profileDir) {
// Profile directory override is currently implemented only for
// offline cache. This is an early failure to prevent the request
// being processed before it would fail later because of inability
// to assign a cache base dir.
return NS_ERROR_UNEXPECTED;
}
mProfileDir = profileDir;
return NS_OK;
}
NS_IMETHODIMP nsCacheSession::GetProfileDirectory(nsIFile** profileDir) {
*profileDir = do_AddRef(mProfileDir).take();
return NS_OK;
}
NS_IMETHODIMP nsCacheSession::SetDoomEntriesIfExpired(
bool doomEntriesIfExpired) {
if (doomEntriesIfExpired)
MarkDoomEntriesIfExpired();
else
ClearDoomEntriesIfExpired();
return NS_OK;
}
NS_IMETHODIMP
nsCacheSession::OpenCacheEntry(const nsACString& key,
nsCacheAccessMode accessRequested,
bool blockingMode,
nsICacheEntryDescriptor** result) {
nsresult rv;
if (NS_IsMainThread())
rv = NS_ERROR_NOT_AVAILABLE;
else
rv =
nsCacheService::OpenCacheEntry(this, key, accessRequested, blockingMode,
nullptr, // no listener
result);
return rv;
}
NS_IMETHODIMP nsCacheSession::AsyncOpenCacheEntry(
const nsACString& key, nsCacheAccessMode accessRequested,
nsICacheListener* listener, bool noWait) {
nsresult rv;
rv = nsCacheService::OpenCacheEntry(this, key, accessRequested, !noWait,
listener,
nullptr); // no result
if (rv == NS_ERROR_CACHE_WAIT_FOR_VALIDATION) rv = NS_OK;
return rv;
}
NS_IMETHODIMP nsCacheSession::EvictEntries() {
return nsCacheService::EvictEntriesForSession(this);
}
NS_IMETHODIMP nsCacheSession::IsStorageEnabled(bool* result) {
return nsCacheService::IsStorageEnabledForPolicy(StoragePolicy(), result);
}
NS_IMETHODIMP nsCacheSession::DoomEntry(const nsACString& key,
nsICacheListener* listener) {
return nsCacheService::DoomEntry(this, key, listener);
}
NS_IMETHODIMP nsCacheSession::GetIsPrivate(bool* aPrivate) {
*aPrivate = IsPrivate();
return NS_OK;
}
NS_IMETHODIMP nsCacheSession::SetIsPrivate(bool aPrivate) {
if (aPrivate)
MarkPrivate();
else
MarkPublic();
return NS_OK;
}