Line data    Source code

       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 "mozilla/dom/Directory.h"
       8             : #include "mozilla/dom/FileList.h"
       9             : #include "mozilla/dom/FileListBinding.h"
      10             : #include "mozilla/dom/File.h"
      11             : 
      12             : namespace mozilla {
      13             : namespace dom {
      14             : 
      15           0 : NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FileList, mFiles, mParent)
      16             : 
      17           0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileList)
      18           0 :   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
      19           0 :   NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMFileList)
      20           0 :   NS_INTERFACE_MAP_ENTRY(nsIDOMFileList)
      21           0 : NS_INTERFACE_MAP_END
      22             : 
      23           0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(FileList)
      24           0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(FileList)
      25             : 
      26             : JSObject*
      27           0 : FileList::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
      28             : {
      29           0 :   return mozilla::dom::FileListBinding::Wrap(aCx, this, aGivenProto);
      30             : }
      31             : 
      32             : NS_IMETHODIMP
      33           0 : FileList::GetLength(uint32_t* aLength)
      34             : {
      35           0 :   *aLength = Length();
      36             : 
      37           0 :   return NS_OK;
      38             : }
      39             : 
      40             : NS_IMETHODIMP
      41           0 : FileList::Item(uint32_t aIndex, nsISupports** aValue)
      42             : {
      43           0 :   nsCOMPtr<nsIDOMBlob> file = Item(aIndex);
      44           0 :   file.forget(aValue);
      45           0 :   return NS_OK;
      46             : }
      47             : 
      48             : File*
      49           0 : FileList::Item(uint32_t aIndex) const
      50             : {
      51           0 :   if (aIndex >= mFiles.Length()) {
      52           0 :     return nullptr;
      53             :   }
      54             : 
      55           0 :   return mFiles[aIndex];
      56             : }
      57             : 
      58             : File*
      59           0 : FileList::IndexedGetter(uint32_t aIndex, bool& aFound) const
      60             : {
      61           0 :   aFound = aIndex < mFiles.Length();
      62           0 :   return Item(aIndex);
      63             : }
      64             : 
      65             : void
      66           0 : FileList::ToSequence(Sequence<RefPtr<File>>& aSequence,
      67             :                      ErrorResult& aRv) const
      68             : {
      69           0 :   MOZ_ASSERT(aSequence.IsEmpty());
      70           0 :   if (mFiles.IsEmpty()) {
      71           0 :     return;
      72             :   }
      73             : 
      74           0 :   if (!aSequence.SetLength(mFiles.Length(),
      75           0 :                            mozilla::fallible_t())) {
      76           0 :     aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
      77           0 :     return;
      78             :   }
      79             : 
      80           0 :   for (uint32_t i = 0; i < mFiles.Length(); ++i) {
      81           0 :     aSequence[i] = mFiles[i];
      82             :   }
      83             : }
      84             : 
      85             : } // namespace dom
      86             : } // namespace mozilla