dom/offline/nsDOMOfflineResourceList.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsDOMOfflineResourceList.h"
   8 #include "nsError.h"
   9 #include "mozilla/Components.h"
  10 #include "mozilla/dom/DOMStringList.h"
  11 #include "nsMemory.h"
  12 #include "nsNetUtil.h"
  13 #include "nsNetCID.h"
  14 #include "nsServiceManagerUtils.h"
  15 #include "nsICookieJarSettings.h"
  16 #include "nsIInterfaceRequestorUtils.h"
  17 #include "nsContentUtils.h"
  18 #include "nsILoadContext.h"
  19 #include "nsIObserverService.h"
  20 #include "nsIScriptGlobalObject.h"
  21 #include "nsIWebNavigation.h"
  22 #include "mozilla/dom/Document.h"
  23 #include "mozilla/dom/Event.h"
  24 #include "mozilla/dom/OfflineResourceListBinding.h"
  25 #include "mozilla/EventDispatcher.h"
  26 #include "mozilla/EventListenerManager.h"
  27 #include "mozilla/Preferences.h"
  28 #include "mozilla/BasePrincipal.h"
  29 #include "mozilla/StaticPrefs_browser.h"
  30
  31 #include "nsXULAppAPI.h"
  32 #define IS_CHILD_PROCESS() (GeckoProcessType_Default != XRE_GetProcessType())
  33
  34 using namespace mozilla;
  35 using namespace mozilla::dom;
  36
  37 //
  38 // nsDOMOfflineResourceList
  39 //
  40
  41 NS_IMPL_CYCLE_COLLECTION_WEAK_INHERITED(nsDOMOfflineResourceList,
  42                                         DOMEventTargetHelper)
  43
  44 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDOMOfflineResourceList)
  45   NS_INTERFACE_MAP_ENTRY(nsIObserver)
  46   NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
  47 NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
  48
  49 NS_IMPL_ADDREF_INHERITED(nsDOMOfflineResourceList, DOMEventTargetHelper)
  50 NS_IMPL_RELEASE_INHERITED(nsDOMOfflineResourceList, DOMEventTargetHelper)
  51
  52 nsDOMOfflineResourceList::nsDOMOfflineResourceList(
  53     nsIURI* aManifestURI, nsIURI* aDocumentURI, nsIPrincipal* aLoadingPrincipal,
  54     nsPIDOMWindowInner* aWindow)
  55     : DOMEventTargetHelper(aWindow) {}
  56
  57 nsDOMOfflineResourceList::~nsDOMOfflineResourceList() { ClearCachedKeys(); }
  58
  59 JSObject* nsDOMOfflineResourceList::WrapObject(
  60     JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
  61   return OfflineResourceList_Binding::Wrap(aCx, this, aGivenProto);
  62 }
  63
  64 void nsDOMOfflineResourceList::Disconnect() {}
  65
  66 already_AddRefed<DOMStringList> nsDOMOfflineResourceList::GetMozItems(
  67     ErrorResult& aRv) {
  68   if (IS_CHILD_PROCESS()) {
  69     aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
  70     return nullptr;
  71   }
  72
  73   RefPtr<DOMStringList> items = new DOMStringList();
  74   return items.forget();
  75 }
  76
  77 bool nsDOMOfflineResourceList::MozHasItem(const nsAString& aURI,
  78                                           ErrorResult& aRv) {
  79   return false;
  80 }
  81
  82 uint32_t nsDOMOfflineResourceList::GetMozLength(ErrorResult& aRv) {
  83   if (IS_CHILD_PROCESS()) {
  84     aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
  85     return 0;
  86   }
  87
  88   return 0;
  89 }
  90
  91 void nsDOMOfflineResourceList::MozItem(uint32_t aIndex, nsAString& aURI,
  92                                        ErrorResult& aRv) {
  93   aRv.Throw(NS_ERROR_NOT_AVAILABLE);
  94 }
  95
  96 void nsDOMOfflineResourceList::IndexedGetter(uint32_t aIndex, bool& aFound,
  97                                              nsAString& aURI,
  98                                              ErrorResult& aRv) {
  99   if (IS_CHILD_PROCESS()) {
 100     aRv.Throw(NS_ERROR_NOT_IMPLEMENTED);
 101     return;
 102   }
 103
 104   aFound = false;
 105 }
 106
 107 void nsDOMOfflineResourceList::MozAdd(const nsAString& aURI, ErrorResult& aRv) {
 108 }
 109
 110 void nsDOMOfflineResourceList::MozRemove(const nsAString& aURI,
 111                                          ErrorResult& aRv) {}
 112
 113 uint16_t nsDOMOfflineResourceList::GetStatus(ErrorResult& aRv) {
 114   return OfflineResourceList_Binding::UNCACHED;
 115 }
 116
 117 void nsDOMOfflineResourceList::Update(ErrorResult& aRv) {}
 118
 119 void nsDOMOfflineResourceList::SwapCache(ErrorResult& aRv) {}
 120
 121 void nsDOMOfflineResourceList::FirePendingEvents() {}
 122
 123 void nsDOMOfflineResourceList::SendEvent(const nsAString& aEventName) {}
 124
 125 //
 126 // nsDOMOfflineResourceList::nsIObserver
 127 //
 128 NS_IMETHODIMP
 129 nsDOMOfflineResourceList::Observe(nsISupports* aSubject, const char* aTopic,
 130                                   const char16_t* aData) {
 131   return NS_OK;
 132 }
 133
 134 nsresult nsDOMOfflineResourceList::GetCacheKey(const nsAString& aURI,
 135                                                nsCString& aKey) {
 136   nsCOMPtr<nsIURI> requestedURI;
 137   nsresult rv = NS_NewURI(getter_AddRefs(requestedURI), aURI);
 138   NS_ENSURE_SUCCESS(rv, rv);
 139
 140   return GetCacheKey(requestedURI, aKey);
 141 }
 142
 143 nsresult nsDOMOfflineResourceList::GetCacheKey(nsIURI* aURI, nsCString& aKey) {
 144   nsresult rv = aURI->GetAsciiSpec(aKey);
 145   NS_ENSURE_SUCCESS(rv, rv);
 146
 147   // url fragments aren't used in cache keys
 148   nsAutoCString::const_iterator specStart, specEnd;
 149   aKey.BeginReading(specStart);
 150   aKey.EndReading(specEnd);
 151   if (FindCharInReadable('#', specStart, specEnd)) {
 152     aKey.BeginReading(specEnd);
 153     aKey = Substring(specEnd, specStart);
 154   }
 155
 156   return NS_OK;
 157 }
 158
 159 nsresult nsDOMOfflineResourceList::CacheKeys() { return NS_OK; }
 160
 161 void nsDOMOfflineResourceList::ClearCachedKeys() {}