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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 HTMLDialogElement_h
#define HTMLDialogElement_h
#include "mozilla/AsyncEventDispatcher.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/CloseWatcher.h"
#include "nsGenericHTMLElement.h"
#include "nsGkAtoms.h"
namespace mozilla::dom {
class HTMLDialogElement final : public nsGenericHTMLElement {
public:
using Element::Command;
enum class ClosedBy : uint8_t {
Auto,
None,
Any,
CloseRequest,
};
explicit HTMLDialogElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
: nsGenericHTMLElement(std::move(aNodeInfo)),
mPreviouslyFocusedElement(nullptr),
mRequestCloseSourceElement(nullptr) {}
NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLDialogElement, dialog)
nsresult Clone(dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
ClosedBy GetClosedBy() const;
void GetClosedBy(nsAString& aValue) const;
void SetClosedBy(const nsAString& aClosedby, ErrorResult& aError) {
SetHTMLAttr(nsGkAtoms::closedby, aClosedby, aError);
}
bool ParseClosedByAttribute(const nsAString& aValue, nsAttrValue& aResult);
// nsIContent
bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) override;
bool Open() const;
void SetOpen(bool aOpen, ErrorResult& aError) {
SetHTMLBoolAttr(nsGkAtoms::open, aOpen, aError);
}
void GetReturnValue(nsAString& aReturnValue) { aReturnValue = mReturnValue; }
void SetReturnValue(const nsAString& aReturnValue) {
mReturnValue = aReturnValue;
}
void GetRequestCloseReturnValue(Optional<nsAString>& aReturnValue) {
if (mRequestCloseReturnValue.isSome()) {
aReturnValue = &mRequestCloseReturnValue.ref();
}
}
void ClearRequestCloseReturnValue() { mRequestCloseReturnValue.reset(); }
void SetRequestCloseReturnValue(const nsAString& aReturnValue) {
mRequestCloseReturnValue.emplace(aReturnValue);
}
nsresult BindToTree(BindContext&, nsINode&) override;
void UnbindFromTree(UnbindContext&) override;
MOZ_CAN_RUN_SCRIPT_BOUNDARY void Close(
const mozilla::dom::Optional<nsAString>& aReturnValue) {
return Close(nullptr, aReturnValue);
}
MOZ_CAN_RUN_SCRIPT_BOUNDARY void Close(
Element* aSource, const mozilla::dom::Optional<nsAString>& aReturnValue);
MOZ_CAN_RUN_SCRIPT void RequestClose(
const mozilla::dom::Optional<nsAString>& aReturnValue) {
RequestClose(nullptr, aReturnValue);
}
MOZ_CAN_RUN_SCRIPT_BOUNDARY void RequestClose(
Element* aSource, const mozilla::dom::Optional<nsAString>& aReturnValue);
RefPtr<Element> GetRequestCloseSourceElement();
MOZ_CAN_RUN_SCRIPT void Show(ErrorResult& aError);
MOZ_CAN_RUN_SCRIPT void ShowModal(Element* aSource, ErrorResult& aError);
MOZ_CAN_RUN_SCRIPT void ShowModal(ErrorResult& aError) {
return ShowModal(nullptr, aError);
}
void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
const nsAttrValue* aValue, const nsAttrValue* aOldValue,
nsIPrincipal* aMaybeScriptedPrincipal,
bool aNotify) override;
void AsyncEventRunning(AsyncEventDispatcher* aEvent) override;
bool IsInTopLayer() const;
void QueueCancelDialog();
MOZ_CAN_RUN_SCRIPT void RunCancelDialogSteps();
MOZ_CAN_RUN_SCRIPT_BOUNDARY void FocusDialog();
int32_t TabIndexDefault() override;
bool IsValidCommandAction(Command aCommand) const override;
MOZ_CAN_RUN_SCRIPT bool HandleCommandInternal(Element* aSource,
Command aCommand,
ErrorResult& aRv) override;
Maybe<nsString> mRequestCloseReturnValue;
nsString mReturnValue;
protected:
virtual ~HTMLDialogElement();
JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
private:
void AddToTopLayerIfNeeded();
void RemoveFromTopLayerIfNeeded();
void StorePreviouslyFocusedElement();
MOZ_CAN_RUN_SCRIPT_BOUNDARY void QueueToggleEventTask(Element* aSource);
void SetDialogCloseWatcherIfNeeded();
void SetCloseWatcherEnabledState();
void SetupSteps();
void CleanupSteps();
nsWeakPtr mPreviouslyFocusedElement;
nsWeakPtr mRequestCloseSourceElement;
RefPtr<AsyncEventDispatcher> mToggleEventDispatcher;
// This won't need to be cycle collected as CloseWatcher only has strong
// references to event listeners, which themselves have Weak References back
// to the Node.
RefPtr<CloseWatcher> mCloseWatcher;
};
} // namespace mozilla::dom
#endif
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