зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
4.9 KiB
C++
142 строки
4.9 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/. */
|
|
#include "mozilla/PresShell.h"
|
|
#include "mozilla/dom/Document.h"
|
|
#include "mozilla/dom/Element.h"
|
|
#include "mozilla/dom/FromParser.h"
|
|
#include "mozilla/dom/NodeInfo.h"
|
|
#include "nsHTMLParts.h"
|
|
#include "nsContainerFrame.h"
|
|
#include "nsCSSRendering.h"
|
|
#include "nsPageFrame.h"
|
|
#include "nsStyleConsts.h"
|
|
#include "nsGkAtoms.h"
|
|
#include "nsBoxFrame.h"
|
|
#include "nsStackLayout.h"
|
|
#include "nsIAnonymousContentCreator.h"
|
|
#include "nsNodeInfoManager.h"
|
|
#include "nsContentCreatorFunctions.h"
|
|
|
|
using namespace mozilla;
|
|
using namespace mozilla::dom;
|
|
|
|
class nsDocElementBoxFrame final : public nsBoxFrame,
|
|
public nsIAnonymousContentCreator {
|
|
public:
|
|
virtual void DestroyFrom(nsIFrame* aDestructRoot,
|
|
PostDestroyData& aPostDestroyData) override;
|
|
|
|
friend nsIFrame* NS_NewBoxFrame(mozilla::PresShell* aPresShell,
|
|
ComputedStyle* aStyle);
|
|
|
|
explicit nsDocElementBoxFrame(ComputedStyle* aStyle,
|
|
nsPresContext* aPresContext)
|
|
: nsBoxFrame(aStyle, aPresContext, kClassID, true) {}
|
|
|
|
NS_DECL_QUERYFRAME
|
|
NS_DECL_FRAMEARENA_HELPERS(nsDocElementBoxFrame)
|
|
|
|
// nsIAnonymousContentCreator
|
|
virtual nsresult CreateAnonymousContent(
|
|
nsTArray<ContentInfo>& aElements) override;
|
|
virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
|
|
uint32_t aFilter) override;
|
|
|
|
virtual bool IsFrameOfType(uint32_t aFlags) const override {
|
|
// Override nsBoxFrame.
|
|
if (aFlags & (nsIFrame::eReplacedContainsBlock | nsIFrame::eReplaced))
|
|
return false;
|
|
return nsBoxFrame::IsFrameOfType(aFlags);
|
|
}
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
virtual nsresult GetFrameName(nsAString& aResult) const override;
|
|
#endif
|
|
private:
|
|
nsCOMPtr<Element> mPopupgroupContent;
|
|
nsCOMPtr<Element> mTooltipContent;
|
|
};
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
nsContainerFrame* NS_NewDocElementBoxFrame(PresShell* aPresShell,
|
|
ComputedStyle* aStyle) {
|
|
return new (aPresShell)
|
|
nsDocElementBoxFrame(aStyle, aPresShell->GetPresContext());
|
|
}
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(nsDocElementBoxFrame)
|
|
|
|
void nsDocElementBoxFrame::DestroyFrom(nsIFrame* aDestructRoot,
|
|
PostDestroyData& aPostDestroyData) {
|
|
aPostDestroyData.AddAnonymousContent(mPopupgroupContent.forget());
|
|
aPostDestroyData.AddAnonymousContent(mTooltipContent.forget());
|
|
nsBoxFrame::DestroyFrom(aDestructRoot, aPostDestroyData);
|
|
}
|
|
|
|
nsresult nsDocElementBoxFrame::CreateAnonymousContent(
|
|
nsTArray<ContentInfo>& aElements) {
|
|
Document* doc = mContent->GetComposedDoc();
|
|
if (!doc) {
|
|
// The page is currently being torn down. Why bother.
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
nsNodeInfoManager* nodeInfoManager = doc->NodeInfoManager();
|
|
|
|
// create the top-secret popupgroup node. shhhhh!
|
|
RefPtr<NodeInfo> nodeInfo;
|
|
nodeInfo = nodeInfoManager->GetNodeInfo(
|
|
nsGkAtoms::popupgroup, nullptr, kNameSpaceID_XUL, nsINode::ELEMENT_NODE);
|
|
NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
nsresult rv = NS_NewXULElement(getter_AddRefs(mPopupgroupContent),
|
|
nodeInfo.forget(), dom::NOT_FROM_PARSER);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// XXX(Bug 1631371) Check if this should use a fallible operation as it
|
|
// pretended earlier.
|
|
aElements.AppendElement(mPopupgroupContent);
|
|
|
|
// create the top-secret default tooltip node. shhhhh!
|
|
nodeInfo = nodeInfoManager->GetNodeInfo(
|
|
nsGkAtoms::tooltip, nullptr, kNameSpaceID_XUL, nsINode::ELEMENT_NODE);
|
|
NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
rv = NS_NewXULElement(getter_AddRefs(mTooltipContent), nodeInfo.forget(),
|
|
dom::NOT_FROM_PARSER);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
mTooltipContent->SetAttr(kNameSpaceID_None, nsGkAtoms::_default, u"true"_ns,
|
|
false);
|
|
|
|
// XXX(Bug 1631371) Check if this should use a fallible operation as it
|
|
// pretended earlier.
|
|
aElements.AppendElement(mTooltipContent);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void nsDocElementBoxFrame::AppendAnonymousContentTo(
|
|
nsTArray<nsIContent*>& aElements, uint32_t aFilter) {
|
|
if (mPopupgroupContent) {
|
|
aElements.AppendElement(mPopupgroupContent);
|
|
}
|
|
|
|
if (mTooltipContent) {
|
|
aElements.AppendElement(mTooltipContent);
|
|
}
|
|
}
|
|
|
|
NS_QUERYFRAME_HEAD(nsDocElementBoxFrame)
|
|
NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
|
|
NS_QUERYFRAME_TAIL_INHERITING(nsBoxFrame)
|
|
|
|
#ifdef DEBUG_FRAME_DUMP
|
|
nsresult nsDocElementBoxFrame::GetFrameName(nsAString& aResult) const {
|
|
return MakeFrameName(u"DocElementBox"_ns, aResult);
|
|
}
|
|
#endif
|