The Tor Browser / file comparison
comparison: layout/xul/nsDocElementBoxFrame.cpp
layout/xul/nsDocElementBoxFrame.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
replaced
| -1:000000000000 | 0:aac762ed87a3 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 #include "nsHTMLParts.h" | |
| 6 #include "nsContainerFrame.h" | |
| 7 #include "nsCSSRendering.h" | |
| 8 #include "nsIDocument.h" | |
| 9 #include "nsPageFrame.h" | |
| 10 #include "nsIDOMEvent.h" | |
| 11 #include "nsStyleConsts.h" | |
| 12 #include "nsGkAtoms.h" | |
| 13 #include "nsIPresShell.h" | |
| 14 #include "nsBoxFrame.h" | |
| 15 #include "nsStackLayout.h" | |
| 16 #include "nsIAnonymousContentCreator.h" | |
| 17 #include "nsINodeInfo.h" | |
| 18 #include "nsIServiceManager.h" | |
| 19 #include "nsNodeInfoManager.h" | |
| 20 #include "nsContentCreatorFunctions.h" | |
| 21 #include "nsContentUtils.h" | |
| 22 #include "nsContentList.h" | |
| 23 #include "mozilla/dom/Element.h" | |
| 24 | |
| 25 //#define DEBUG_REFLOW | |
| 26 | |
| 27 using namespace mozilla::dom; | |
| 28 | |
| 29 class nsDocElementBoxFrame : public nsBoxFrame, | |
| 30 public nsIAnonymousContentCreator | |
| 31 { | |
| 32 public: | |
| 33 virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE; | |
| 34 | |
| 35 friend nsIFrame* NS_NewBoxFrame(nsIPresShell* aPresShell, | |
| 36 nsStyleContext* aContext); | |
| 37 | |
| 38 nsDocElementBoxFrame(nsIPresShell* aShell, nsStyleContext* aContext) | |
| 39 :nsBoxFrame(aShell, aContext, true) {} | |
| 40 | |
| 41 NS_DECL_QUERYFRAME | |
| 42 NS_DECL_FRAMEARENA_HELPERS | |
| 43 | |
| 44 // nsIAnonymousContentCreator | |
| 45 virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE; | |
| 46 virtual void AppendAnonymousContentTo(nsBaseContentList& aElements, | |
| 47 uint32_t aFilter) MOZ_OVERRIDE; | |
| 48 | |
| 49 virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE | |
| 50 { | |
| 51 // Override nsBoxFrame. | |
| 52 if (aFlags & (nsIFrame::eReplacedContainsBlock | nsIFrame::eReplaced)) | |
| 53 return false; | |
| 54 return nsBoxFrame::IsFrameOfType(aFlags); | |
| 55 } | |
| 56 | |
| 57 #ifdef DEBUG_FRAME_DUMP | |
| 58 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE; | |
| 59 #endif | |
| 60 private: | |
| 61 nsCOMPtr<Element> mPopupgroupContent; | |
| 62 nsCOMPtr<Element> mTooltipContent; | |
| 63 }; | |
| 64 | |
| 65 //---------------------------------------------------------------------- | |
| 66 | |
| 67 nsIFrame* | |
| 68 NS_NewDocElementBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) | |
| 69 { | |
| 70 return new (aPresShell) nsDocElementBoxFrame (aPresShell, aContext); | |
| 71 } | |
| 72 | |
| 73 NS_IMPL_FRAMEARENA_HELPERS(nsDocElementBoxFrame) | |
| 74 | |
| 75 void | |
| 76 nsDocElementBoxFrame::DestroyFrom(nsIFrame* aDestructRoot) | |
| 77 { | |
| 78 nsContentUtils::DestroyAnonymousContent(&mPopupgroupContent); | |
| 79 nsContentUtils::DestroyAnonymousContent(&mTooltipContent); | |
| 80 nsBoxFrame::DestroyFrom(aDestructRoot); | |
| 81 } | |
| 82 | |
| 83 nsresult | |
| 84 nsDocElementBoxFrame::CreateAnonymousContent(nsTArray<ContentInfo>& aElements) | |
| 85 { | |
| 86 nsIDocument* doc = mContent->GetDocument(); | |
| 87 if (!doc) { | |
| 88 // The page is currently being torn down. Why bother. | |
| 89 return NS_ERROR_FAILURE; | |
| 90 } | |
| 91 nsNodeInfoManager *nodeInfoManager = doc->NodeInfoManager(); | |
| 92 | |
| 93 // create the top-secret popupgroup node. shhhhh! | |
| 94 nsCOMPtr<nsINodeInfo> nodeInfo; | |
| 95 nodeInfo = nodeInfoManager->GetNodeInfo(nsGkAtoms::popupgroup, | |
| 96 nullptr, kNameSpaceID_XUL, | |
| 97 nsIDOMNode::ELEMENT_NODE); | |
| 98 NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY); | |
| 99 | |
| 100 nsresult rv = NS_NewXULElement(getter_AddRefs(mPopupgroupContent), | |
| 101 nodeInfo.forget()); | |
| 102 NS_ENSURE_SUCCESS(rv, rv); | |
| 103 | |
| 104 if (!aElements.AppendElement(mPopupgroupContent)) | |
| 105 return NS_ERROR_OUT_OF_MEMORY; | |
| 106 | |
| 107 // create the top-secret default tooltip node. shhhhh! | |
| 108 nodeInfo = nodeInfoManager->GetNodeInfo(nsGkAtoms::tooltip, nullptr, | |
| 109 kNameSpaceID_XUL, | |
| 110 nsIDOMNode::ELEMENT_NODE); | |
| 111 NS_ENSURE_TRUE(nodeInfo, NS_ERROR_OUT_OF_MEMORY); | |
| 112 | |
| 113 rv = NS_NewXULElement(getter_AddRefs(mTooltipContent), nodeInfo.forget()); | |
| 114 NS_ENSURE_SUCCESS(rv, rv); | |
| 115 | |
| 116 mTooltipContent->SetAttr(kNameSpaceID_None, nsGkAtoms::_default, | |
| 117 NS_LITERAL_STRING("true"), false); | |
| 118 | |
| 119 if (!aElements.AppendElement(mTooltipContent)) | |
| 120 return NS_ERROR_OUT_OF_MEMORY; | |
| 121 | |
| 122 return NS_OK; | |
| 123 } | |
| 124 | |
| 125 void | |
| 126 nsDocElementBoxFrame::AppendAnonymousContentTo(nsBaseContentList& aElements, | |
| 127 uint32_t aFilter) | |
| 128 { | |
| 129 aElements.MaybeAppendElement(mPopupgroupContent); | |
| 130 aElements.MaybeAppendElement(mTooltipContent); | |
| 131 } | |
| 132 | |
| 133 NS_QUERYFRAME_HEAD(nsDocElementBoxFrame) | |
| 134 NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator) | |
| 135 NS_QUERYFRAME_TAIL_INHERITING(nsBoxFrame) | |
| 136 | |
| 137 #ifdef DEBUG_FRAME_DUMP | |
| 138 nsresult | |
| 139 nsDocElementBoxFrame::GetFrameName(nsAString& aResult) const | |
| 140 { | |
| 141 return MakeFrameName(NS_LITERAL_STRING("DocElementBox"), aResult); | |
| 142 } | |
| 143 #endif |
