gecko-dev/dom/html/nsBrowserElement.h

58 строки
1.5 KiB
C++

/* -*- 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 nsBrowserElement_h
#define nsBrowserElement_h
#include "mozilla/dom/BindingDeclarations.h"
#include "nsCOMPtr.h"
#include "nsIBrowserElementAPI.h"
class nsFrameLoader;
namespace mozilla {
namespace dom {
class Promise;
} // namespace dom
class ErrorResult;
/**
* A helper class for browser-element frames
*/
class nsBrowserElement {
public:
nsBrowserElement() = default;
virtual ~nsBrowserElement() = default;
void SendMouseEvent(const nsAString& aType, uint32_t aX, uint32_t aY,
uint32_t aButton, uint32_t aClickCount,
uint32_t aModifiers, ErrorResult& aRv);
void GoBack(ErrorResult& aRv);
void GoForward(ErrorResult& aRv);
void Reload(bool aHardReload, ErrorResult& aRv);
void Stop(ErrorResult& aRv);
already_AddRefed<dom::Promise> GetCanGoBack(ErrorResult& aRv);
already_AddRefed<dom::Promise> GetCanGoForward(ErrorResult& aRv);
protected:
virtual already_AddRefed<nsFrameLoader> GetFrameLoader() = 0;
void InitBrowserElementAPI();
void DestroyBrowserElementFrameScripts();
nsCOMPtr<nsIBrowserElementAPI> mBrowserElementAPI;
private:
bool IsBrowserElementOrThrow(ErrorResult& aRv);
};
} // namespace mozilla
#endif // nsBrowserElement_h