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80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set tw=80 expandtab softtabstop=2 ts=2 sw=2: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsElementFrameLoaderOwner_h
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#define nsElementFrameLoaderOwner_h
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#include "mozilla/Attributes.h"
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#include "mozilla/dom/Element.h"
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#include "nsIFrameLoader.h"
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#include "nsIDOMEventListener.h"
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#include "mozilla/dom/FromParser.h"
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#include "mozilla/ErrorResult.h"
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#include "nsFrameLoader.h"
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namespace mozilla {
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namespace dom {
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class Element;
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} // namespace dom
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} // namespace mozilla
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class nsXULElement;
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/**
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* A helper class for frame elements
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*/
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class nsElementFrameLoaderOwner : public nsIFrameLoaderOwner
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{
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public:
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explicit nsElementFrameLoaderOwner(mozilla::dom::FromParser aFromParser)
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: mNetworkCreated(aFromParser == mozilla::dom::FROM_PARSER_NETWORK)
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, mIsPrerendered(false)
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, mBrowserFrameListenersRegistered(false)
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, mFrameLoaderCreationDisallowed(false)
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{
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}
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virtual ~nsElementFrameLoaderOwner();
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NS_DECL_NSIFRAMELOADEROWNER
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// nsIContent
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void SwapFrameLoaders(nsXULElement& aOtherOwner, mozilla::ErrorResult& aError);
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protected:
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// This doesn't really ensure a frame loader in all cases, only when
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// it makes sense.
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void EnsureFrameLoader();
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nsresult LoadSrc();
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nsIDocument* GetContentDocument();
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nsresult GetContentDocument(nsIDOMDocument** aContentDocument);
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already_AddRefed<nsPIDOMWindow> GetContentWindow();
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nsresult GetContentWindow(nsIDOMWindow** aContentWindow);
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/**
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* Get element for this frame. Avoids diamond inheritance problem.
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* @return Element for this node
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*/
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virtual mozilla::dom::Element* ThisFrameElement() = 0;
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nsRefPtr<nsFrameLoader> mFrameLoader;
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/**
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* True when the element is created by the parser using the
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* NS_FROM_PARSER_NETWORK flag.
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* If the element is modified, it may lose the flag.
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*/
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bool mNetworkCreated;
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bool mIsPrerendered;
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bool mBrowserFrameListenersRegistered;
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bool mFrameLoaderCreationDisallowed;
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};
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#endif // nsElementFrameLoaderOwner_h
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