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-rw-r--r--dom/base/FileList.h103
1 files changed, 103 insertions, 0 deletions
diff --git a/dom/base/FileList.h b/dom/base/FileList.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_FileList_h
+#define mozilla_dom_FileList_h
+
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/UnionTypes.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsIDOMFileList.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla {
+namespace dom {
+
+class BlobImpls;
+class File;
+
+class FileList final : public nsIDOMFileList,
+ public nsWrapperCache
+{
+public:
+ NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+ NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(FileList)
+
+ NS_DECL_NSIDOMFILELIST
+
+ explicit FileList(nsISupports* aParent)
+ : mParent(aParent)
+ {}
+
+ virtual JSObject* WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) override;
+
+ nsISupports* GetParentObject()
+ {
+ return mParent;
+ }
+
+ bool Append(File* aFile)
+ {
+ MOZ_ASSERT(aFile);
+ return mFiles.AppendElement(aFile, fallible);
+ }
+
+ bool Remove(uint32_t aIndex)
+ {
+ if (aIndex < mFiles.Length()) {
+ mFiles.RemoveElementAt(aIndex);
+ return true;
+ }
+
+ return false;
+ }
+
+ void Clear()
+ {
+ return mFiles.Clear();
+ }
+
+ static FileList* FromSupports(nsISupports* aSupports)
+ {
+#ifdef DEBUG
+ {
+ nsCOMPtr<nsIDOMFileList> list_qi = do_QueryInterface(aSupports);
+
+ // If this assertion fires the QI implementation for the object in
+ // question doesn't use the nsIDOMFileList pointer as the nsISupports
+ // pointer. That must be fixed, or we'll crash...
+ NS_ASSERTION(list_qi == static_cast<nsIDOMFileList*>(aSupports),
+ "Uh, fix QI!");
+ }
+#endif
+
+ return static_cast<FileList*>(aSupports);
+ }
+
+ File* Item(uint32_t aIndex) const;
+
+ File* IndexedGetter(uint32_t aIndex, bool& aFound) const;
+
+ uint32_t Length() const
+ {
+ return mFiles.Length();
+ }
+
+ void ToSequence(Sequence<RefPtr<File>>& aSequence,
+ ErrorResult& aRv) const;
+
+private:
+ ~FileList() {}
+
+ FallibleTArray<RefPtr<File>> mFiles;
+ nsCOMPtr<nsISupports> mParent;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_FileList_h