gecko/uriloader/prefetch/OfflineCacheUpdateParent.cpp

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/* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Corporation
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Honza Bambas <honzab@firemni.cz>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "OfflineCacheUpdateParent.h"
#include "nsOfflineCacheUpdate.h"
#include "nsIApplicationCache.h"
static nsOfflineCacheUpdateService *gOfflineCacheUpdateService = nsnull;
#if defined(PR_LOGGING)
//
// To enable logging (see prlog.h for full details):
//
// set NSPR_LOG_MODULES=nsOfflineCacheUpdate:5
// set NSPR_LOG_FILE=offlineupdate.log
//
// this enables PR_LOG_ALWAYS level information and places all output in
// the file offlineupdate.log
//
extern PRLogModuleInfo *gOfflineCacheUpdateLog;
#endif
#define LOG(args) PR_LOG(gOfflineCacheUpdateLog, 4, args)
#define LOG_ENABLED() PR_LOG_TEST(gOfflineCacheUpdateLog, 4)
namespace mozilla {
namespace docshell {
//-----------------------------------------------------------------------------
// OfflineCacheUpdateParent::nsISupports
//-----------------------------------------------------------------------------
NS_IMPL_ISUPPORTS1(OfflineCacheUpdateParent,
nsIOfflineCacheUpdateObserver)
//-----------------------------------------------------------------------------
// OfflineCacheUpdateParent <public>
//-----------------------------------------------------------------------------
OfflineCacheUpdateParent::OfflineCacheUpdateParent()
: mIPCClosed(false)
{
// Make sure the service has been initialized
nsOfflineCacheUpdateService* service =
nsOfflineCacheUpdateService::EnsureService();
if (!service)
return;
LOG(("OfflineCacheUpdateParent::OfflineCacheUpdateParent [%p]", this));
}
OfflineCacheUpdateParent::~OfflineCacheUpdateParent()
{
LOG(("OfflineCacheUpdateParent::~OfflineCacheUpdateParent [%p]", this));
}
void
OfflineCacheUpdateParent::ActorDestroy(ActorDestroyReason why)
{
mIPCClosed = true;
}
nsresult
OfflineCacheUpdateParent::Schedule(const URI& aManifestURI,
const URI& aDocumentURI,
const nsCString& aClientID,
const bool& stickDocument)
{
LOG(("OfflineCacheUpdateParent::RecvSchedule [%p]", this));
nsRefPtr<nsOfflineCacheUpdate> update;
nsCOMPtr<nsIURI> manifestURI(aManifestURI);
nsCOMPtr<nsIURI> documentURI(aDocumentURI);
nsOfflineCacheUpdateService* service =
nsOfflineCacheUpdateService::EnsureService();
if (!service)
return NS_ERROR_FAILURE;
service->FindUpdate(manifestURI, documentURI, getter_AddRefs(update));
if (!update) {
update = new nsOfflineCacheUpdate();
nsresult rv;
// Leave aDocument argument null. Only glues and children keep
// document instances.
rv = update->Init(manifestURI, documentURI, nsnull);
NS_ENSURE_SUCCESS(rv, rv);
rv = update->Schedule();
NS_ENSURE_SUCCESS(rv, rv);
}
update->AddObserver(this, PR_FALSE);
if (stickDocument) {
nsCOMPtr<nsIURI> stickURI;
documentURI->Clone(getter_AddRefs(stickURI));
update->StickDocument(stickURI);
}
return NS_OK;
}
NS_IMETHODIMP
OfflineCacheUpdateParent::UpdateStateChanged(nsIOfflineCacheUpdate *aUpdate, PRUint32 state)
{
if (mIPCClosed)
return NS_ERROR_UNEXPECTED;
LOG(("OfflineCacheUpdateParent::StateEvent [%p]", this));
SendNotifyStateEvent(state);
if (state == nsIOfflineCacheUpdateObserver::STATE_FINISHED) {
// Tell the child the particulars after the update has finished.
// Sending the Finish event will release the child side of the protocol
// and notify "offline-cache-update-completed" on the child process.
PRBool isUpgrade;
aUpdate->GetIsUpgrade(&isUpgrade);
PRBool succeeded;
aUpdate->GetSucceeded(&succeeded);
SendFinish(succeeded, isUpgrade);
}
return NS_OK;
}
NS_IMETHODIMP
OfflineCacheUpdateParent::ApplicationCacheAvailable(nsIApplicationCache *aApplicationCache)
{
if (mIPCClosed)
return NS_ERROR_UNEXPECTED;
NS_ENSURE_ARG(aApplicationCache);
nsCString cacheClientId;
aApplicationCache->GetClientID(cacheClientId);
nsCString cacheGroupId;
aApplicationCache->GetGroupID(cacheGroupId);
SendAssociateDocuments(cacheGroupId, cacheClientId);
return NS_OK;
}
} // docshell
} // mozilla