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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_ClipboardItem_h_
#define mozilla_dom_ClipboardItem_h_
#include "mozilla/dom/Blob.h"
#include "mozilla/dom/ClipboardBinding.h"
#include "mozilla/MozPromise.h"
#include "nsWrapperCache.h"
class nsITransferable;
namespace mozilla::dom {
struct ClipboardItemOptions;
template <typename KeyType, typename ValueType>
class Record;
class Promise;
class ClipboardItem final : public nsWrapperCache {
public:
class ItemEntry final {
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(ItemEntry)
NS_DECL_CYCLE_COLLECTION_NATIVE_CLASS(ItemEntry)
ItemEntry(const nsAString& aType, const nsACString& aFormat);
ItemEntry(const nsAString& aType, const nsACString& aFormat,
OwningStringOrBlob&& aData)
: ItemEntry(aType, aFormat) {
mData = std::move(aData);
}
ItemEntry(const nsAString& aType, const nsACString& aFormat,
const OwningStringOrBlob& aData)
: ItemEntry(aType, aFormat) {
mData = aData;
}
const nsString& Type() const { return mType; }
const nsCString& Format() const { return mFormat; }
const OwningStringOrBlob& Data() const { return mData; }
void SetData(already_AddRefed<Blob>&& aBlob);
void LoadData(nsIGlobalObject& aGlobal, nsITransferable& aTransferable);
// If clipboard data is in the process of loading from system clipboard, add
// `aPromise` to the pending list which will be resolved/rejected later when
// process is finished. Otherwise, resolve/reject `aPromise` based on
// `mData`.
void ReactPromise(nsIGlobalObject& aGlobal, Promise& aPromise);
private:
~ItemEntry() { mLoadingPromise.DisconnectIfExists(); }
void ResolvePendingGetTypePromises(Blob& aBlob);
void RejectPendingGetTypePromises(nsresult rv);
nsString mType;
nsCString mFormat;
OwningStringOrBlob mData;
MozPromiseRequestHolder<GenericPromise> mLoadingPromise;
nsTArray<RefPtr<Promise>> mPendingGetTypeRequests;
};
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(ClipboardItem)
NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(ClipboardItem)
ClipboardItem(nsISupports* aOwner, dom::PresentationStyle aPresentationStyle,
nsTArray<RefPtr<ItemEntry>>&& aItems);
static already_AddRefed<ClipboardItem> Constructor(
const GlobalObject& aGlobal,
const Record<nsString, OwningStringOrBlob>& aItems,
const ClipboardItemOptions& aOptions, ErrorResult& aRv);
dom::PresentationStyle PresentationStyle() const {
return mPresentationStyle;
};
void GetTypes(nsTArray<nsString>& aTypes) const;
already_AddRefed<Promise> GetType(const nsAString& aType, ErrorResult& aRv);
nsISupports* GetParentObject() const { return mOwner; }
JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
const nsTArray<RefPtr<ItemEntry>>& Entries() const { return mItems; }
private:
~ClipboardItem() = default;
nsCOMPtr<nsISupports> mOwner;
dom::PresentationStyle mPresentationStyle;
nsTArray<RefPtr<ItemEntry>> mItems;
};
} // namespace mozilla::dom
#endif // mozilla_dom_ClipboardItem_h_
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