зеркало из https://github.com/mozilla/gecko-dev.git
113 строки
4.1 KiB
C++
113 строки
4.1 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 nsGenericHTMLFrameElement_h
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#define nsGenericHTMLFrameElement_h
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#include "mozilla/Attributes.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/nsBrowserElement.h"
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#include "nsElementFrameLoaderOwner.h"
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#include "nsFrameLoader.h"
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#include "nsGenericHTMLElement.h"
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#include "nsIDOMEventListener.h"
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#include "nsIFrameLoader.h"
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#include "nsIMozBrowserFrame.h"
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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 nsGenericHTMLFrameElement : public nsGenericHTMLElement,
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public nsElementFrameLoaderOwner,
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public mozilla::nsBrowserElement,
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public nsIMozBrowserFrame
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{
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public:
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nsGenericHTMLFrameElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
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mozilla::dom::FromParser aFromParser)
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: nsGenericHTMLElement(aNodeInfo)
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, nsElementFrameLoaderOwner(aFromParser)
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, nsBrowserElement()
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{
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}
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_NSIDOMMOZBROWSERFRAME
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NS_DECL_NSIMOZBROWSERFRAME
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// nsIContent
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virtual bool IsHTMLFocusable(bool aWithMouse, bool *aIsFocusable, int32_t *aTabIndex) MOZ_OVERRIDE;
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virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
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nsIContent* aBindingParent,
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bool aCompileEventHandlers) MOZ_OVERRIDE;
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virtual void UnbindFromTree(bool aDeep = true,
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bool aNullParent = true) MOZ_OVERRIDE;
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nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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const nsAString& aValue, bool aNotify)
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{
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return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify);
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}
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virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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nsIAtom* aPrefix, const nsAString& aValue,
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bool aNotify) MOZ_OVERRIDE;
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virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
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bool aNotify) MOZ_OVERRIDE;
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virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
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const nsAttrValue* aValue,
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bool aNotify) MOZ_OVERRIDE;
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virtual void DestroyContent() MOZ_OVERRIDE;
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nsresult CopyInnerTo(mozilla::dom::Element* aDest);
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virtual int32_t TabIndexDefault() MOZ_OVERRIDE;
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED_NO_UNLINK(nsGenericHTMLFrameElement,
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nsGenericHTMLElement)
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static bool BrowserFramesEnabled();
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/**
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* nsIFrameLoaderOwner defines two GetFrameLoader() overloads. One
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* is XPCOM style interface, the other one is C++ only. "using" pulls
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* them both in, now GetFrameLoader() is ambiguous because
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* nsBrowserElement also has GetFrameLoader(). Explicit redefine
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* GetFrameLoader() to choose nsElementFrameLoaderOwner::GetFrameLoader()
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*/
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using nsElementFrameLoaderOwner::GetFrameLoader;
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NS_IMETHOD_(already_AddRefed<nsFrameLoader>) GetFrameLoader() MOZ_OVERRIDE
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{
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return nsElementFrameLoaderOwner::GetFrameLoader();
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}
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/**
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* Helper method to map a HTML 'scrolling' attribute value to a nsIScrollable
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* enum value. scrolling="no" (and its synonyms) maps to
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* nsIScrollable::Scrollbar_Never, and anything else (including nullptr) maps
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* to nsIScrollable::Scrollbar_Auto.
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* @param aValue the attribute value to map or nullptr
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* @return nsIScrollable::Scrollbar_Never or nsIScrollable::Scrollbar_Auto
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*/
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static int32_t MapScrollingAttribute(const nsAttrValue* aValue);
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protected:
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virtual ~nsGenericHTMLFrameElement() {}
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virtual mozilla::dom::Element* ThisFrameElement() MOZ_OVERRIDE
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{
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return this;
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}
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private:
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void GetManifestURLByType(nsIAtom *aAppType, nsAString& aOut);
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};
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#endif // nsGenericHTMLFrameElement_h
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