michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsCacheSession.h"
michael@0: #include "nsCacheService.h"
michael@0: #include "nsCRT.h"
michael@0: #include "nsThreadUtils.h"
michael@0: 
michael@0: NS_IMPL_ISUPPORTS(nsCacheSession, nsICacheSession)
michael@0: 
michael@0: nsCacheSession::nsCacheSession(const char *         clientID,
michael@0:                                nsCacheStoragePolicy storagePolicy,
michael@0:                                bool                 streamBased)
michael@0:     : mClientID(clientID),
michael@0:       mInfo(0)
michael@0: {
michael@0:   SetStoragePolicy(storagePolicy);
michael@0: 
michael@0:   if (streamBased) MarkStreamBased();
michael@0:   else SetStoragePolicy(nsICache::STORE_IN_MEMORY);
michael@0: 
michael@0:   MarkPublic();
michael@0: 
michael@0:   MarkDoomEntriesIfExpired();
michael@0: }
michael@0: 
michael@0: nsCacheSession::~nsCacheSession()
michael@0: {
michael@0:   /* destructor code */
michael@0:     // notify service we are going away?
michael@0: }
michael@0: 
michael@0: 
michael@0: NS_IMETHODIMP nsCacheSession::GetDoomEntriesIfExpired(bool *result)
michael@0: {
michael@0:     NS_ENSURE_ARG_POINTER(result);
michael@0:     *result = WillDoomEntriesIfExpired();
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: 
michael@0: NS_IMETHODIMP nsCacheSession::SetProfileDirectory(nsIFile *profileDir)
michael@0: {
michael@0:   if (StoragePolicy() != nsICache::STORE_OFFLINE && profileDir) {
michael@0:         // Profile directory override is currently implemented only for
michael@0:         // offline cache.  This is an early failure to prevent the request
michael@0:         // being processed before it would fail later because of inability
michael@0:         // to assign a cache base dir.
michael@0:         return NS_ERROR_UNEXPECTED;
michael@0:     }
michael@0: 
michael@0:     mProfileDir = profileDir;
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsCacheSession::GetProfileDirectory(nsIFile **profileDir)
michael@0: {
michael@0:     if (mProfileDir)
michael@0:         NS_ADDREF(*profileDir = mProfileDir);
michael@0:     else
michael@0:         *profileDir = nullptr;
michael@0: 
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: 
michael@0: NS_IMETHODIMP nsCacheSession::SetDoomEntriesIfExpired(bool doomEntriesIfExpired)
michael@0: {
michael@0:     if (doomEntriesIfExpired)  MarkDoomEntriesIfExpired();
michael@0:     else                       ClearDoomEntriesIfExpired();
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: nsCacheSession::OpenCacheEntry(const nsACString &         key, 
michael@0:                                nsCacheAccessMode          accessRequested,
michael@0:                                bool                       blockingMode,
michael@0:                                nsICacheEntryDescriptor ** result)
michael@0: {
michael@0:     nsresult rv;
michael@0: 
michael@0:     if (NS_IsMainThread())
michael@0:         rv = NS_ERROR_NOT_AVAILABLE;
michael@0:     else
michael@0:         rv = nsCacheService::OpenCacheEntry(this,
michael@0:                                             key,
michael@0:                                             accessRequested,
michael@0:                                             blockingMode,
michael@0:                                             nullptr, // no listener
michael@0:                                             result);
michael@0:     return rv;
michael@0: }
michael@0: 
michael@0: 
michael@0: NS_IMETHODIMP nsCacheSession::AsyncOpenCacheEntry(const nsACString & key,
michael@0:                                                   nsCacheAccessMode accessRequested,
michael@0:                                                   nsICacheListener *listener,
michael@0:                                                   bool              noWait)
michael@0: {
michael@0:     nsresult rv;
michael@0:     rv = nsCacheService::OpenCacheEntry(this,
michael@0:                                         key,
michael@0:                                         accessRequested,
michael@0:                                         !noWait,
michael@0:                                         listener,
michael@0:                                         nullptr); // no result
michael@0: 
michael@0:     if (rv == NS_ERROR_CACHE_WAIT_FOR_VALIDATION) rv = NS_OK;
michael@0:     return rv;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsCacheSession::EvictEntries()
michael@0: {
michael@0:     return nsCacheService::EvictEntriesForSession(this);
michael@0: }
michael@0: 
michael@0: 
michael@0: NS_IMETHODIMP nsCacheSession::IsStorageEnabled(bool *result)
michael@0: {
michael@0: 
michael@0:     return nsCacheService::IsStorageEnabledForPolicy(StoragePolicy(), result);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsCacheSession::DoomEntry(const nsACString &key,
michael@0:                                         nsICacheListener *listener)
michael@0: {
michael@0:     return nsCacheService::DoomEntry(this, key, listener);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsCacheSession::GetIsPrivate(bool* aPrivate)
michael@0: {
michael@0:     *aPrivate = IsPrivate();
michael@0:     return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP nsCacheSession::SetIsPrivate(bool aPrivate)
michael@0: {
michael@0:     if (aPrivate)
michael@0:         MarkPrivate();
michael@0:     else
michael@0:         MarkPublic();
michael@0:     return NS_OK;
michael@0: }