gecko-dev/netwerk/cache/nsCacheSession.cpp
2012-07-30 17:20:58 +03:00

143 lines
4.0 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* 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"
NS_IMPL_ISUPPORTS1(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)
{
if (mProfileDir)
NS_ADDREF(*profileDir = mProfileDir);
else
*profileDir = nullptr;
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;
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;
}