The Tor Browser / file comparison
comparison: layout/xul/nsPopupSetFrame.cpp
layout/xul/nsPopupSetFrame.cpp
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
equal
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replaced
| -1:000000000000 | 0:0071b3ea3a65 |
|---|---|
| 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 | |
| 6 #include "nsPopupSetFrame.h" | |
| 7 #include "nsGkAtoms.h" | |
| 8 #include "nsCOMPtr.h" | |
| 9 #include "nsIContent.h" | |
| 10 #include "nsPresContext.h" | |
| 11 #include "nsStyleContext.h" | |
| 12 #include "nsBoxLayoutState.h" | |
| 13 #include "nsIScrollableFrame.h" | |
| 14 #include "nsIRootBox.h" | |
| 15 #include "nsMenuPopupFrame.h" | |
| 16 | |
| 17 nsIFrame* | |
| 18 NS_NewPopupSetFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) | |
| 19 { | |
| 20 return new (aPresShell) nsPopupSetFrame (aPresShell, aContext); | |
| 21 } | |
| 22 | |
| 23 NS_IMPL_FRAMEARENA_HELPERS(nsPopupSetFrame) | |
| 24 | |
| 25 void | |
| 26 nsPopupSetFrame::Init(nsIContent* aContent, | |
| 27 nsIFrame* aParent, | |
| 28 nsIFrame* aPrevInFlow) | |
| 29 { | |
| 30 nsBoxFrame::Init(aContent, aParent, aPrevInFlow); | |
| 31 | |
| 32 // Normally the root box is our grandparent, but in case of wrapping | |
| 33 // it can be our great-grandparent. | |
| 34 nsIRootBox *rootBox = nsIRootBox::GetRootBox(PresContext()->GetPresShell()); | |
| 35 if (rootBox) { | |
| 36 rootBox->SetPopupSetFrame(this); | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 nsIAtom* | |
| 41 nsPopupSetFrame::GetType() const | |
| 42 { | |
| 43 return nsGkAtoms::popupSetFrame; | |
| 44 } | |
| 45 | |
| 46 nsresult | |
| 47 nsPopupSetFrame::AppendFrames(ChildListID aListID, | |
| 48 nsFrameList& aFrameList) | |
| 49 { | |
| 50 if (aListID == kPopupList) { | |
| 51 AddPopupFrameList(aFrameList); | |
| 52 return NS_OK; | |
| 53 } | |
| 54 return nsBoxFrame::AppendFrames(aListID, aFrameList); | |
| 55 } | |
| 56 | |
| 57 nsresult | |
| 58 nsPopupSetFrame::RemoveFrame(ChildListID aListID, | |
| 59 nsIFrame* aOldFrame) | |
| 60 { | |
| 61 if (aListID == kPopupList) { | |
| 62 RemovePopupFrame(aOldFrame); | |
| 63 return NS_OK; | |
| 64 } | |
| 65 return nsBoxFrame::RemoveFrame(aListID, aOldFrame); | |
| 66 } | |
| 67 | |
| 68 nsresult | |
| 69 nsPopupSetFrame::InsertFrames(ChildListID aListID, | |
| 70 nsIFrame* aPrevFrame, | |
| 71 nsFrameList& aFrameList) | |
| 72 { | |
| 73 if (aListID == kPopupList) { | |
| 74 AddPopupFrameList(aFrameList); | |
| 75 return NS_OK; | |
| 76 } | |
| 77 return nsBoxFrame::InsertFrames(aListID, aPrevFrame, aFrameList); | |
| 78 } | |
| 79 | |
| 80 nsresult | |
| 81 nsPopupSetFrame::SetInitialChildList(ChildListID aListID, | |
| 82 nsFrameList& aChildList) | |
| 83 { | |
| 84 if (aListID == kPopupList) { | |
| 85 NS_ASSERTION(mPopupList.IsEmpty(), | |
| 86 "SetInitialChildList on non-empty child list"); | |
| 87 AddPopupFrameList(aChildList); | |
| 88 return NS_OK; | |
| 89 } | |
| 90 return nsBoxFrame::SetInitialChildList(aListID, aChildList); | |
| 91 } | |
| 92 | |
| 93 const nsFrameList& | |
| 94 nsPopupSetFrame::GetChildList(ChildListID aListID) const | |
| 95 { | |
| 96 if (kPopupList == aListID) { | |
| 97 return mPopupList; | |
| 98 } | |
| 99 return nsBoxFrame::GetChildList(aListID); | |
| 100 } | |
| 101 | |
| 102 void | |
| 103 nsPopupSetFrame::GetChildLists(nsTArray<ChildList>* aLists) const | |
| 104 { | |
| 105 nsBoxFrame::GetChildLists(aLists); | |
| 106 mPopupList.AppendIfNonempty(aLists, kPopupList); | |
| 107 } | |
| 108 | |
| 109 void | |
| 110 nsPopupSetFrame::DestroyFrom(nsIFrame* aDestructRoot) | |
| 111 { | |
| 112 mPopupList.DestroyFramesFrom(aDestructRoot); | |
| 113 | |
| 114 // Normally the root box is our grandparent, but in case of wrapping | |
| 115 // it can be our great-grandparent. | |
| 116 nsIRootBox *rootBox = nsIRootBox::GetRootBox(PresContext()->GetPresShell()); | |
| 117 if (rootBox) { | |
| 118 rootBox->SetPopupSetFrame(nullptr); | |
| 119 } | |
| 120 | |
| 121 nsBoxFrame::DestroyFrom(aDestructRoot); | |
| 122 } | |
| 123 | |
| 124 NS_IMETHODIMP | |
| 125 nsPopupSetFrame::DoLayout(nsBoxLayoutState& aState) | |
| 126 { | |
| 127 // lay us out | |
| 128 nsresult rv = nsBoxFrame::DoLayout(aState); | |
| 129 | |
| 130 // lay out all of our currently open popups. | |
| 131 for (nsFrameList::Enumerator e(mPopupList); !e.AtEnd(); e.Next()) { | |
| 132 nsMenuPopupFrame* popupChild = static_cast<nsMenuPopupFrame*>(e.get()); | |
| 133 popupChild->LayoutPopup(aState, nullptr, nullptr, false); | |
| 134 } | |
| 135 | |
| 136 return rv; | |
| 137 } | |
| 138 | |
| 139 void | |
| 140 nsPopupSetFrame::RemovePopupFrame(nsIFrame* aPopup) | |
| 141 { | |
| 142 NS_PRECONDITION((aPopup->GetStateBits() & NS_FRAME_OUT_OF_FLOW) && | |
| 143 aPopup->GetType() == nsGkAtoms::menuPopupFrame, | |
| 144 "removing wrong type of frame in popupset's ::popupList"); | |
| 145 | |
| 146 mPopupList.DestroyFrame(aPopup); | |
| 147 } | |
| 148 | |
| 149 void | |
| 150 nsPopupSetFrame::AddPopupFrameList(nsFrameList& aPopupFrameList) | |
| 151 { | |
| 152 #ifdef DEBUG | |
| 153 for (nsFrameList::Enumerator e(aPopupFrameList); !e.AtEnd(); e.Next()) { | |
| 154 NS_ASSERTION((e.get()->GetStateBits() & NS_FRAME_OUT_OF_FLOW) && | |
| 155 e.get()->GetType() == nsGkAtoms::menuPopupFrame, | |
| 156 "adding wrong type of frame in popupset's ::popupList"); | |
| 157 } | |
| 158 #endif | |
| 159 mPopupList.InsertFrames(nullptr, nullptr, aPopupFrameList); | |
| 160 } |
