uriloader/prefetch/OfflineCacheUpdateParent.cpp

   1 /* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Mozilla Corporation
  19  * Portions created by the Initial Developer are Copyright (C) 2010
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *   Honza Bambas <honzab@firemni.cz>
  24  *
  25  * Alternatively, the contents of this file may be used under the terms of
  26  * either the GNU General Public License Version 2 or later (the "GPL"), or
  27  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  28  * in which case the provisions of the GPL or the LGPL are applicable instead
  29  * of those above. If you wish to allow use of your version of this file only
  30  * under the terms of either the GPL or the LGPL, and not to allow others to
  31  * use your version of this file under the terms of the MPL, indicate your
  32  * decision by deleting the provisions above and replace them with the notice
  33  * and other provisions required by the GPL or the LGPL. If you do not delete
  34  * the provisions above, a recipient may use your version of this file under
  35  * the terms of any one of the MPL, the GPL or the LGPL.
  36  *
  37  * ***** END LICENSE BLOCK ***** */
  38
  39 #include "OfflineCacheUpdateParent.h"
  40 #include "nsOfflineCacheUpdate.h"
  41 #include "nsIApplicationCache.h"
  42
  43 static nsOfflineCacheUpdateService *gOfflineCacheUpdateService = nsnull;
  44
  45 #if defined(PR_LOGGING)
  46 //
  47 // To enable logging (see prlog.h for full details):
  48 //
  49 //    set NSPR_LOG_MODULES=nsOfflineCacheUpdate:5
  50 //    set NSPR_LOG_FILE=offlineupdate.log
  51 //
  52 // this enables PR_LOG_ALWAYS level information and places all output in
  53 // the file offlineupdate.log
  54 //
  55 extern PRLogModuleInfo *gOfflineCacheUpdateLog;
  56 #endif
  57 #define LOG(args) PR_LOG(gOfflineCacheUpdateLog, 4, args)
  58 #define LOG_ENABLED() PR_LOG_TEST(gOfflineCacheUpdateLog, 4)
  59
  60 namespace mozilla {
  61 namespace docshell {
  62
  63 //-----------------------------------------------------------------------------
  64 // OfflineCacheUpdateParent::nsISupports
  65 //-----------------------------------------------------------------------------
  66
  67 NS_IMPL_ISUPPORTS1(OfflineCacheUpdateParent,
  68                    nsIOfflineCacheUpdateObserver)
  69
  70 //-----------------------------------------------------------------------------
  71 // OfflineCacheUpdateParent <public>
  72 //-----------------------------------------------------------------------------
  73
  74 OfflineCacheUpdateParent::OfflineCacheUpdateParent()
  75     : mIPCClosed(false)
  76 {
  77     // Make sure the service has been initialized
  78     nsOfflineCacheUpdateService* service =
  79         nsOfflineCacheUpdateService::EnsureService();
  80     if (!service)
  81         return;
  82
  83     LOG(("OfflineCacheUpdateParent::OfflineCacheUpdateParent [%p]", this));
  84 }
  85
  86 OfflineCacheUpdateParent::~OfflineCacheUpdateParent()
  87 {
  88     LOG(("OfflineCacheUpdateParent::~OfflineCacheUpdateParent [%p]", this));
  89 }
  90
  91 void
  92 OfflineCacheUpdateParent::ActorDestroy(ActorDestroyReason why)
  93 {
  94     mIPCClosed = true;
  95 }
  96
  97 nsresult
  98 OfflineCacheUpdateParent::Schedule(const URI& aManifestURI,
  99                                    const URI& aDocumentURI,
 100                                    const nsCString& aClientID,
 101                                    const bool& stickDocument)
 102 {
 103     LOG(("OfflineCacheUpdateParent::RecvSchedule [%p]", this));
 104
 105     nsRefPtr<nsOfflineCacheUpdate> update;
 106     nsCOMPtr<nsIURI> manifestURI(aManifestURI);
 107     nsCOMPtr<nsIURI> documentURI(aDocumentURI);
 108
 109     nsOfflineCacheUpdateService* service =
 110         nsOfflineCacheUpdateService::EnsureService();
 111     if (!service)
 112         return NS_ERROR_FAILURE;
 113
 114     service->FindUpdate(manifestURI, documentURI, getter_AddRefs(update));
 115     if (!update) {
 116         update = new nsOfflineCacheUpdate();
 117
 118         nsresult rv;
 119         // Leave aDocument argument null. Only glues and children keep
 120         // document instances.
 121         rv = update->Init(manifestURI, documentURI, nsnull);
 122         NS_ENSURE_SUCCESS(rv, rv);
 123
 124         rv = update->Schedule();
 125         NS_ENSURE_SUCCESS(rv, rv);
 126     }
 127
 128     update->AddObserver(this, PR_FALSE);
 129
 130     if (stickDocument) {
 131         nsCOMPtr<nsIURI> stickURI;
 132         documentURI->Clone(getter_AddRefs(stickURI));
 133         update->StickDocument(stickURI);
 134     }
 135
 136     return NS_OK;
 137 }
 138
 139 NS_IMETHODIMP
 140 OfflineCacheUpdateParent::UpdateStateChanged(nsIOfflineCacheUpdate *aUpdate, PRUint32 state)
 141 {
 142     if (mIPCClosed)
 143         return NS_ERROR_UNEXPECTED;
 144
 145     LOG(("OfflineCacheUpdateParent::StateEvent [%p]", this));
 146
 147     SendNotifyStateEvent(state);
 148
 149     if (state == nsIOfflineCacheUpdateObserver::STATE_FINISHED) {
 150         // Tell the child the particulars after the update has finished.
 151         // Sending the Finish event will release the child side of the protocol
 152         // and notify "offline-cache-update-completed" on the child process.
 153         PRBool isUpgrade;
 154         aUpdate->GetIsUpgrade(&isUpgrade);
 155         PRBool succeeded;
 156         aUpdate->GetSucceeded(&succeeded);
 157
 158         SendFinish(succeeded, isUpgrade);
 159     }
 160
 161     return NS_OK;
 162 }
 163
 164 NS_IMETHODIMP
 165 OfflineCacheUpdateParent::ApplicationCacheAvailable(nsIApplicationCache *aApplicationCache)
 166 {
 167     if (mIPCClosed)
 168         return NS_ERROR_UNEXPECTED;
 169
 170     NS_ENSURE_ARG(aApplicationCache);
 171
 172     nsCString cacheClientId;
 173     aApplicationCache->GetClientID(cacheClientId);
 174     nsCString cacheGroupId;
 175     aApplicationCache->GetGroupID(cacheGroupId);
 176
 177     SendAssociateDocuments(cacheGroupId, cacheClientId);
 178     return NS_OK;
 179 }
 180
 181 } // docshell
 182 } // mozilla