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comparison: uriloader/prefetch/OfflineCacheUpdateGlue.cpp
uriloader/prefetch/OfflineCacheUpdateGlue.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:274b200a95ad |
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| 1 /* -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "OfflineCacheUpdateGlue.h" | |
| 7 #include "nsOfflineCacheUpdate.h" | |
| 8 #include "mozilla/Services.h" | |
| 9 | |
| 10 #include "nsIApplicationCache.h" | |
| 11 #include "nsIApplicationCacheChannel.h" | |
| 12 #include "nsIApplicationCacheContainer.h" | |
| 13 #include "nsIChannel.h" | |
| 14 #include "nsIDocument.h" | |
| 15 #include "prlog.h" | |
| 16 | |
| 17 #if defined(PR_LOGGING) | |
| 18 // | |
| 19 // To enable logging (see prlog.h for full details): | |
| 20 // | |
| 21 // set NSPR_LOG_MODULES=nsOfflineCacheUpdate:5 | |
| 22 // set NSPR_LOG_FILE=offlineupdate.log | |
| 23 // | |
| 24 // this enables PR_LOG_ALWAYS level information and places all output in | |
| 25 // the file offlineupdate.log | |
| 26 // | |
| 27 extern PRLogModuleInfo *gOfflineCacheUpdateLog; | |
| 28 #endif | |
| 29 | |
| 30 #undef LOG | |
| 31 #define LOG(args) PR_LOG(gOfflineCacheUpdateLog, 4, args) | |
| 32 | |
| 33 #undef LOG_ENABLED | |
| 34 #define LOG_ENABLED() PR_LOG_TEST(gOfflineCacheUpdateLog, 4) | |
| 35 | |
| 36 namespace mozilla { | |
| 37 namespace docshell { | |
| 38 | |
| 39 //----------------------------------------------------------------------------- | |
| 40 // OfflineCacheUpdateGlue::nsISupports | |
| 41 //----------------------------------------------------------------------------- | |
| 42 | |
| 43 NS_IMPL_ISUPPORTS(OfflineCacheUpdateGlue, | |
| 44 nsIOfflineCacheUpdate, | |
| 45 nsIOfflineCacheUpdateObserver, | |
| 46 nsISupportsWeakReference) | |
| 47 | |
| 48 //----------------------------------------------------------------------------- | |
| 49 // OfflineCacheUpdateGlue <public> | |
| 50 //----------------------------------------------------------------------------- | |
| 51 | |
| 52 OfflineCacheUpdateGlue::OfflineCacheUpdateGlue() | |
| 53 { | |
| 54 LOG(("OfflineCacheUpdateGlue::OfflineCacheUpdateGlue [%p]", this)); | |
| 55 } | |
| 56 | |
| 57 OfflineCacheUpdateGlue::~OfflineCacheUpdateGlue() | |
| 58 { | |
| 59 LOG(("OfflineCacheUpdateGlue::~OfflineCacheUpdateGlue [%p]", this)); | |
| 60 } | |
| 61 | |
| 62 nsIOfflineCacheUpdate* | |
| 63 OfflineCacheUpdateGlue::EnsureUpdate() | |
| 64 { | |
| 65 if (!mUpdate) { | |
| 66 mUpdate = new nsOfflineCacheUpdate(); | |
| 67 LOG(("OfflineCacheUpdateGlue [%p] is using update [%p]", this, mUpdate.get())); | |
| 68 } | |
| 69 | |
| 70 return mUpdate; | |
| 71 } | |
| 72 | |
| 73 NS_IMETHODIMP | |
| 74 OfflineCacheUpdateGlue::Schedule() | |
| 75 { | |
| 76 nsCOMPtr<nsIObserverService> observerService = | |
| 77 mozilla::services::GetObserverService(); | |
| 78 if (observerService) { | |
| 79 LOG(("Calling offline-cache-update-added")); | |
| 80 observerService->NotifyObservers(static_cast<nsIOfflineCacheUpdate*>(this), | |
| 81 "offline-cache-update-added", | |
| 82 nullptr); | |
| 83 LOG(("Done offline-cache-update-added")); | |
| 84 } | |
| 85 | |
| 86 if (!EnsureUpdate()) | |
| 87 return NS_ERROR_NULL_POINTER; | |
| 88 | |
| 89 // Do not use weak reference, we must survive! | |
| 90 mUpdate->AddObserver(this, false); | |
| 91 | |
| 92 return mUpdate->Schedule(); | |
| 93 } | |
| 94 | |
| 95 NS_IMETHODIMP | |
| 96 OfflineCacheUpdateGlue::Init(nsIURI *aManifestURI, | |
| 97 nsIURI *aDocumentURI, | |
| 98 nsIDOMDocument *aDocument, | |
| 99 nsIFile *aCustomProfileDir, | |
| 100 uint32_t aAppID, | |
| 101 bool aInBrowser) | |
| 102 { | |
| 103 if (!EnsureUpdate()) | |
| 104 return NS_ERROR_NULL_POINTER; | |
| 105 | |
| 106 mDocumentURI = aDocumentURI; | |
| 107 | |
| 108 if (aDocument) | |
| 109 SetDocument(aDocument); | |
| 110 | |
| 111 return mUpdate->Init(aManifestURI, aDocumentURI, nullptr, aCustomProfileDir, aAppID, aInBrowser); | |
| 112 } | |
| 113 | |
| 114 void | |
| 115 OfflineCacheUpdateGlue::SetDocument(nsIDOMDocument *aDocument) | |
| 116 { | |
| 117 // The design is one document for one cache update on the content process. | |
| 118 NS_ASSERTION(!mDocument, | |
| 119 "Setting more then a single document on an instance of OfflineCacheUpdateGlue"); | |
| 120 | |
| 121 LOG(("Document %p added to update glue %p", aDocument, this)); | |
| 122 | |
| 123 // Add document only if it was not loaded from an offline cache. | |
| 124 // If it were loaded from an offline cache then it has already | |
| 125 // been associated with it and must not be again cached as | |
| 126 // implicit (which are the reasons we collect documents here). | |
| 127 nsCOMPtr<nsIDocument> document = do_QueryInterface(aDocument); | |
| 128 if (!document) | |
| 129 return; | |
| 130 | |
| 131 nsIChannel* channel = document->GetChannel(); | |
| 132 nsCOMPtr<nsIApplicationCacheChannel> appCacheChannel = | |
| 133 do_QueryInterface(channel); | |
| 134 if (!appCacheChannel) | |
| 135 return; | |
| 136 | |
| 137 bool loadedFromAppCache; | |
| 138 appCacheChannel->GetLoadedFromApplicationCache(&loadedFromAppCache); | |
| 139 if (loadedFromAppCache) | |
| 140 return; | |
| 141 | |
| 142 if (EnsureUpdate()) { | |
| 143 mUpdate->StickDocument(mDocumentURI); | |
| 144 } | |
| 145 | |
| 146 mDocument = aDocument; | |
| 147 } | |
| 148 | |
| 149 NS_IMETHODIMP | |
| 150 OfflineCacheUpdateGlue::UpdateStateChanged(nsIOfflineCacheUpdate *aUpdate, uint32_t state) | |
| 151 { | |
| 152 if (state == nsIOfflineCacheUpdateObserver::STATE_FINISHED) { | |
| 153 LOG(("OfflineCacheUpdateGlue got STATE_FINISHED [%p]", this)); | |
| 154 | |
| 155 nsCOMPtr<nsIObserverService> observerService = | |
| 156 mozilla::services::GetObserverService(); | |
| 157 if (observerService) { | |
| 158 LOG(("Calling offline-cache-update-completed")); | |
| 159 observerService->NotifyObservers(static_cast<nsIOfflineCacheUpdate*>(this), | |
| 160 "offline-cache-update-completed", | |
| 161 nullptr); | |
| 162 LOG(("Done offline-cache-update-completed")); | |
| 163 } | |
| 164 | |
| 165 aUpdate->RemoveObserver(this); | |
| 166 } | |
| 167 | |
| 168 return NS_OK; | |
| 169 } | |
| 170 | |
| 171 NS_IMETHODIMP | |
| 172 OfflineCacheUpdateGlue::ApplicationCacheAvailable(nsIApplicationCache *aApplicationCache) | |
| 173 { | |
| 174 NS_ENSURE_ARG(aApplicationCache); | |
| 175 | |
| 176 // Check that the document that requested this update was | |
| 177 // previously associated with an application cache. If not, it | |
| 178 // should be associated with the new one. | |
| 179 nsCOMPtr<nsIApplicationCacheContainer> container = | |
| 180 do_QueryInterface(mDocument); | |
| 181 if (!container) | |
| 182 return NS_OK; | |
| 183 | |
| 184 nsCOMPtr<nsIApplicationCache> existingCache; | |
| 185 nsresult rv = container->GetApplicationCache(getter_AddRefs(existingCache)); | |
| 186 NS_ENSURE_SUCCESS(rv, rv); | |
| 187 | |
| 188 if (!existingCache) { | |
| 189 #if defined(PR_LOGGING) | |
| 190 if (LOG_ENABLED()) { | |
| 191 nsAutoCString clientID; | |
| 192 if (aApplicationCache) { | |
| 193 aApplicationCache->GetClientID(clientID); | |
| 194 } | |
| 195 LOG(("Update %p: associating app cache %s to document %p", | |
| 196 this, clientID.get(), mDocument.get())); | |
| 197 } | |
| 198 #endif | |
| 199 | |
| 200 rv = container->SetApplicationCache(aApplicationCache); | |
| 201 NS_ENSURE_SUCCESS(rv, rv); | |
| 202 } | |
| 203 | |
| 204 return NS_OK; | |
| 205 } | |
| 206 | |
| 207 } | |
| 208 } |
