1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/xul/nsDocElementBoxFrame.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,143 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +#include "nsHTMLParts.h"
1.9 +#include "nsContainerFrame.h"
1.10 +#include "nsCSSRendering.h"
1.11 +#include "nsIDocument.h"
1.12 +#include "nsPageFrame.h"
1.13 +#include "nsIDOMEvent.h"
1.14 +#include "nsStyleConsts.h"
1.15 +#include "nsGkAtoms.h"
1.16 +#include "nsIPresShell.h"
1.17 +#include "nsBoxFrame.h"
1.18 +#include "nsStackLayout.h"
1.19 +#include "nsIAnonymousContentCreator.h"
1.20 +#include "nsINodeInfo.h"
1.21 +#include "nsIServiceManager.h"
1.22 +#include "nsNodeInfoManager.h"
1.23 +#include "nsContentCreatorFunctions.h"
1.24 +#include "nsContentUtils.h"
1.25 +#include "nsContentList.h"
1.26 +#include "mozilla/dom/Element.h"
1.27 +
1.28 +//#define DEBUG_REFLOW
1.29 +
1.30 +using namespace mozilla::dom;
1.31 +
1.32 +class nsDocElementBoxFrame : public nsBoxFrame,
1.33 + public nsIAnonymousContentCreator
1.34 +{
1.35 +public:
1.36 + virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE;
1.37 +
1.38 + friend nsIFrame* NS_NewBoxFrame(nsIPresShell* aPresShell,
1.39 + nsStyleContext* aContext);
1.40 +
1.41 + nsDocElementBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext)
1.42 + :nsBoxFrame(aShell, aContext, true) {}
1.43 +
1.44 + NS_DECL_QUERYFRAME
1.45 + NS_DECL_FRAMEARENA_HELPERS
1.46 +
1.47 + // nsIAnonymousContentCreator
1.48 + virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE;
1.49 + virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
1.50 + uint32_t aFilter) MOZ_OVERRIDE;
1.51 +
1.52 + virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE
1.53 + {
1.54 + // Override nsBoxFrame.
1.55 + if (aFlags & (nsIFrame::eReplacedContainsBlock | nsIFrame::eReplaced))
1.56 + return false;
1.57 + return nsBoxFrame::IsFrameOfType(aFlags);
1.58 + }
1.59 +
1.60 +#ifdef DEBUG_FRAME_DUMP
1.61 + virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
1.62 +#endif
1.63 +private:
1.64 + nsCOMPtr<Element> mPopupgroupContent;
1.65 + nsCOMPtr<Element> mTooltipContent;
1.66 +};
1.67 +
1.68 +//----------------------------------------------------------------------
1.69 +
1.70 +nsIFrame*
1.71 +NS_NewDocElementBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
1.72 +{
1.73 + return new (aPresShell) nsDocElementBoxFrame (aPresShell, aContext);
1.74 +}
1.75 +
1.76 +NS_IMPL_FRAMEARENA_HELPERS(nsDocElementBoxFrame)
1.77 +
1.78 +void
1.79 +nsDocElementBoxFrame::DestroyFrom(nsIFrame* aDestructRoot)
1.80 +{
1.81 + nsContentUtils::DestroyAnonymousContent(&mPopupgroupContent);
1.82 + nsContentUtils::DestroyAnonymousContent(&mTooltipContent);
1.83 + nsBoxFrame::DestroyFrom(aDestructRoot);
1.84 +}
1.85 +
1.86 +nsresult
1.87 +nsDocElementBoxFrame::CreateAnonymousContent(nsTArray<ContentInfo>& aElements)
1.88 +{
1.89 + nsIDocument* doc = mContent->GetDocument();
1.90 + if (!doc) {
1.91 + // The page is currently being torn down. Why bother.
1.92 + return NS_ERROR_FAILURE;
1.93 + }
1.94 + nsNodeInfoManager *nodeInfoManager = doc->NodeInfoManager();
1.95 +
1.96 + // create the top-secret popupgroup node. shhhhh!
1.97 + nsCOMPtr<nsINodeInfo> nodeInfo;
1.98 + nodeInfo = nodeInfoManager->GetNodeInfo(nsGkAtoms::popupgroup,
1.99 + nullptr, kNameSpaceID_XUL,
1.100 + nsIDOMNode::ELEMENT_NODE);
1.101 + NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
1.102 +
1.103 + nsresult rv = NS_NewXULElement(getter_AddRefs(mPopupgroupContent),
1.104 + nodeInfo.forget());
1.105 + NS_ENSURE_SUCCESS(rv, rv);
1.106 +
1.107 + if (!aElements.AppendElement(mPopupgroupContent))
1.108 + return NS_ERROR_OUT_OF_MEMORY;
1.109 +
1.110 + // create the top-secret default tooltip node. shhhhh!
1.111 + nodeInfo = nodeInfoManager->GetNodeInfo(nsGkAtoms::tooltip, nullptr,
1.112 + kNameSpaceID_XUL,
1.113 + nsIDOMNode::ELEMENT_NODE);
1.114 + NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY);
1.115 +
1.116 + rv = NS_NewXULElement(getter_AddRefs(mTooltipContent), nodeInfo.forget());
1.117 + NS_ENSURE_SUCCESS(rv, rv);
1.118 +
1.119 + mTooltipContent->SetAttr(kNameSpaceID_None, nsGkAtoms::_default,
1.120 + NS_LITERAL_STRING("true"), false);
1.121 +
1.122 + if (!aElements.AppendElement(mTooltipContent))
1.123 + return NS_ERROR_OUT_OF_MEMORY;
1.124 +
1.125 + return NS_OK;
1.126 +}
1.127 +
1.128 +void
1.129 +nsDocElementBoxFrame::AppendAnonymousContentTo(nsBaseContentList& aElements,
1.130 + uint32_t aFilter)
1.131 +{
1.132 + aElements.MaybeAppendElement(mPopupgroupContent);
1.133 + aElements.MaybeAppendElement(mTooltipContent);
1.134 +}
1.135 +
1.136 +NS_QUERYFRAME_HEAD(nsDocElementBoxFrame)
1.137 + NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator)
1.138 +NS_QUERYFRAME_TAIL_INHERITING(nsBoxFrame)
1.139 +
1.140 +#ifdef DEBUG_FRAME_DUMP
1.141 +nsresult
1.142 +nsDocElementBoxFrame::GetFrameName(nsAString& aResult) const
1.143 +{
1.144 + return MakeFrameName(NS_LITERAL_STRING("DocElementBox"), aResult);
1.145 +}
1.146 +#endif
