зеркало из https://github.com/mozilla/gecko-dev.git
122 строки
4.3 KiB
C++
122 строки
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:set tw=80 expandtab softtabstop=2 ts=2 sw=2: */
|
|
|
|
/* 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 nsGenericHTMLFrameElement_h
|
|
#define nsGenericHTMLFrameElement_h
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/ErrorResult.h"
|
|
#include "mozilla/dom/nsBrowserElement.h"
|
|
|
|
#include "nsFrameLoader.h"
|
|
#include "nsGenericHTMLElement.h"
|
|
#include "nsIDOMEventListener.h"
|
|
#include "nsIFrameLoader.h"
|
|
#include "nsIMozBrowserFrame.h"
|
|
|
|
class nsXULElement;
|
|
|
|
/**
|
|
* A helper class for frame elements
|
|
*/
|
|
class nsGenericHTMLFrameElement : public nsGenericHTMLElement,
|
|
public nsIFrameLoaderOwner,
|
|
public mozilla::nsBrowserElement,
|
|
public nsIMozBrowserFrame
|
|
{
|
|
public:
|
|
nsGenericHTMLFrameElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo,
|
|
mozilla::dom::FromParser aFromParser)
|
|
: nsGenericHTMLElement(aNodeInfo)
|
|
, nsBrowserElement()
|
|
, mNetworkCreated(aFromParser == mozilla::dom::FROM_PARSER_NETWORK)
|
|
, mIsPrerendered(false)
|
|
, mBrowserFrameListenersRegistered(false)
|
|
, mFrameLoaderCreationDisallowed(false)
|
|
{
|
|
}
|
|
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
|
|
NS_DECL_NSIFRAMELOADEROWNER
|
|
NS_DECL_NSIDOMMOZBROWSERFRAME
|
|
NS_DECL_NSIMOZBROWSERFRAME
|
|
|
|
// nsIContent
|
|
virtual bool IsHTMLFocusable(bool aWithMouse, bool *aIsFocusable, int32_t *aTabIndex) override;
|
|
virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
|
|
nsIContent* aBindingParent,
|
|
bool aCompileEventHandlers) override;
|
|
virtual void UnbindFromTree(bool aDeep = true,
|
|
bool aNullParent = true) override;
|
|
nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
|
|
const nsAString& aValue, bool aNotify)
|
|
{
|
|
return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify);
|
|
}
|
|
virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
|
|
nsIAtom* aPrefix, const nsAString& aValue,
|
|
bool aNotify) override;
|
|
virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
|
|
bool aNotify) override;
|
|
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsIAtom* aName,
|
|
const nsAttrValue* aValue,
|
|
bool aNotify) override;
|
|
virtual void DestroyContent() override;
|
|
|
|
nsresult CopyInnerTo(mozilla::dom::Element* aDest);
|
|
|
|
virtual int32_t TabIndexDefault() override;
|
|
|
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED_NO_UNLINK(nsGenericHTMLFrameElement,
|
|
nsGenericHTMLElement)
|
|
|
|
void SwapFrameLoaders(nsXULElement& aOtherOwner, mozilla::ErrorResult& aError);
|
|
|
|
static bool BrowserFramesEnabled();
|
|
|
|
/**
|
|
* Helper method to map a HTML 'scrolling' attribute value to a nsIScrollable
|
|
* enum value. scrolling="no" (and its synonyms) maps to
|
|
* nsIScrollable::Scrollbar_Never, and anything else (including nullptr) maps
|
|
* to nsIScrollable::Scrollbar_Auto.
|
|
* @param aValue the attribute value to map or nullptr
|
|
* @return nsIScrollable::Scrollbar_Never or nsIScrollable::Scrollbar_Auto
|
|
*/
|
|
static int32_t MapScrollingAttribute(const nsAttrValue* aValue);
|
|
|
|
protected:
|
|
virtual ~nsGenericHTMLFrameElement();
|
|
|
|
// This doesn't really ensure a frame loader in all cases, only when
|
|
// it makes sense.
|
|
void EnsureFrameLoader();
|
|
nsresult LoadSrc();
|
|
nsIDocument* GetContentDocument();
|
|
nsresult GetContentDocument(nsIDOMDocument** aContentDocument);
|
|
already_AddRefed<nsPIDOMWindow> GetContentWindow();
|
|
nsresult GetContentWindow(nsIDOMWindow** aContentWindow);
|
|
|
|
nsRefPtr<nsFrameLoader> mFrameLoader;
|
|
|
|
/**
|
|
* True when the element is created by the parser using the
|
|
* NS_FROM_PARSER_NETWORK flag.
|
|
* If the element is modified, it may lose the flag.
|
|
*/
|
|
bool mNetworkCreated;
|
|
|
|
bool mIsPrerendered;
|
|
bool mBrowserFrameListenersRegistered;
|
|
bool mFrameLoaderCreationDisallowed;
|
|
|
|
private:
|
|
void GetManifestURLByType(nsIAtom *aAppType, nsAString& aOut);
|
|
};
|
|
|
|
#endif // nsGenericHTMLFrameElement_h
|